Quizlet Aviation Weather Abbreviations

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  1. AAWU: Alaskan Aviation Weather Unit
  2. ABNDT: Abundant
  3. ABNML: Abnormal
  4. ABT: About
  5. ABV: Above
  6. AC: Convective outlook or altocumulus
  7. ACC: Altocumulus castellanus
  8. ACCUM: Accumulate
  9. ACFT: Aircraft
  10. ACLT: Accelerate
  11. ACLTD: Accelerated
  12. ACLTG: Accelerating
  13. ACLTS: Accelerates
  14. ACPY: Accompany
  15. ACRS: Across
  16. ACSL: Altocumulus standing lenticular
  17. ACTV: Active
  18. ACTVTY: Activity
  19. ACYC: Anticyclone
  20. ADJ: Adjacent
  21. ADL: Additional
  22. ADQT: Adequate
  23. ADQTLY: Adequately
  24. ADRNDCK: Adirondack
  25. ADVCT: Advect
  26. ADVCTD: Advected
  27. ADVCTG: Advecting
  28. ADVCTN: Advection
  29. ADVCTS: Advects
  30. ADVN: Advance
  31. ADVNG: Advancing
  32. ADVY: Advisory
  33. ADVYS: Advisories
  34. AFCT: Affect
  35. AFCTD: Affected
  36. AFCTG: Affecting
  37. AFDK: After dark
  38. AFOS: Automated Field Operations System
  39. AFSS: Automated Flight Service Station
  40. AFT: After
  41. AFTN: Afternoon
  42. AGL: Above ground level
  43. AGN: Again
  44. AGRD: Agreed
  45. AGRMT: Agreement
  46. AGRS: Agrees
  47. AHD: Ahead
  48. AK: Alaska
  49. AL: Alabama
  50. ALF: Aloft
  51. ALG: Along
  52. ALGHNY: Allegheny
  53. ALQDS: All quadrants
  54. ALSTG: Altimeter setting
  55. ALT: Altitude
  56. ALTA: Alberta
  57. ALTHO: Although
  58. ALTM: Altimeter
  59. ALUTN: Aleutia
  60. AMD: Amend
  61. AMDD: Amended
  62. AMDG: Amending
  63. AMDT: Amendment
  64. AMP: Amplify
  65. AMPG: Amplifying
  66. AMPLTD: Amplitude
  67. AMS: Air mass
  68. AMT: Amount
  69. ANLYS: Analysis
  70. ANS: Answer
  71. AOA: At or above
  72. AOB: At or below
  73. AP: Anomalous Propagation
  74. APCH: Approach
  75. APCHG: Approaching
  76. APCHS: Approaches
  77. APLCN: Appalachian
  78. APLCNS: Appalachians
  79. APPR: Appear
  80. APPRG: Appearing
  81. APPRS: Appears
  82. APRNT: Apparent
  83. APRNTLY: Apparently
  84. APRX: Approximate
  85. APRXLY: Approximately
  86. AR: Arkansas
  87. ARL: Air Resources Lab
  88. ARND: Around
  89. ARPT: Airport
  90. ASAP: As soon as possible
  91. ASSOCD: Associated
  92. ASSOCN: Association
  93. ATLC: Atlantic
  94. ATTM: At this time
  95. ATTN: Attention
  96. AVBL: Available
  97. AVG: Average
  98. AVN: Aviation model
  99. AWC: Aviation Weather Center
  100. AWT: Awaiting
  101. AZ: Arizona
  102. AZM: Azimuth
  103. BACLIN: Baroclinic
  104. BAJA: Baja, California
  105. BATROP: Barotropic
  106. BC: British Columbia
  107. BCH: Beach
  108. BCKG: Backing
  109. BCM: Become
  110. BCMG: Becoming
  111. BCMS: Becomes
  112. BDA: Bermuda
  113. BDRY: Boundary
  114. BFDK: Before dark
  115. BFR: Before
  116. BGN: Begin
  117. BGNG: Beginning
  118. BGNS: Begins
  119. BHND: Behind
  120. BINOVC: Breaks in overcast
  121. BKN: Broken
  122. BLD: Build
  123. BLDG: Building
  124. BLDUP: Buildup
  125. BLKHLS: Black Hills
  126. BLKT: Blanket
  127. BLKTG: Blanketing
  128. BLKTS: Blankets
  129. BLO: Below clouds
  130. BLW: Below
  131. BLZD: Blizzard
  132. BN: Blowing sand
  133. BND: Bound
  134. BNDRY: Boundary
  135. BNDRYS: Boundaries
  136. BNTH: Beneath
  137. BOOTHEEL: Bootheel
  138. BR: Branch
  139. BRF: Brief
  140. BRK: Break
  141. BRKG: Breaking
  142. BRKHIC: Breaks in higher clouds
  143. BRKS: Breaks
  144. BRKSHR: Berkshire
  145. BRM: Barometer
  146. BS: Blowing snow
  147. BTWN: Between
  148. BYD: Beyond
  149. C: Celsius
  150. CA: California
  151. CAA: Cold air advection
  152. CARIB: Caribbean
  153. CASCDS: Cascades
  154. CB: Cumulonimbus
  155. CC: Cirrocumulus
  156. CCLDS: Clear of clouds
  157. CCLKWS: Counterclockwise
  158. CCSL: Cirrocumulus standing lenticular
  159. CDFNT: Cold front
  160. CEP: Central Operations
  161. CFP: Cold front passage
  162. CHC: Chance
  163. CHCS: Chances
  164. CHG: Change
  165. CHGD: Changed
  166. CHGG: Changing
  167. CHGS: Changes
  168. CHSPK: Chesapeake
  169. CI: Cirrus
  170. CIG: Ceiling
  171. CIGS: Ceilings
  172. CLD: Cloud
  173. CLDNS: Cloudiness
  174. CLDS: Clouds
  175. CLKWS: Clockwise
  176. CLR: Clear
  177. CLRG: Clearing
  178. CLRS: Clears
  179. CMPLX: Complex
  180. CNCL: Cancel
  181. CNCLD: Canceled
  182. CNCLG: Canceling
  183. CNCLS: Cancels
  184. CNDN: Canadian
  185. CNTR: Center
  186. CNTRD: Centered
  187. CNTRL: Central
  188. CNTY: County
  189. CNTYS: Counties
  190. CNVG: Converge
  191. CNVGG: Converging
  192. CNVGNC: Convergence
  193. CNVTN: Convection
  194. CNVTV: Convective
  195. CNVTVLY: Convectively
  196. CO: Colorado
  197. COMPR: Compare
  198. COMPRD: Compared
  199. COMPRG: Comparing
  200. COMPRS: Compares
  201. COND: Condition
  202. CONFDC: Confidence
  203. CONT: Continue
  204. CONTD: Continued
  205. CONTDVD: Continental Divide
  206. CONTG: Continuing
  207. CONTLY: Continually
  208. CONTRAILS: Condensation trails
  209. CONTS: Continues
  210. CONUS: Continental U.S.
  211. COORD: Coordinate
  212. COR: Correction
  213. CPBL: Capable
  214. CRC: Circle
  215. CRLC: Circulate
  216. CRLN: Circulation
  217. CRNR: Corner
  218. CRNRS: Corners
  219. CRS: Course
  220. CS: Cirrostratus
  221. CSDR: Consider
  222. CSDRBL: Considerable
  223. CST: Coast
  224. CSTL: Coastal
  225. CT: Connecticut
  226. CTGY: Category
  227. CTSKLS: Catskills
  228. CU: Cumulus
  229. CUFRA: Cumulus fractus
  230. CVR: Cover
  231. CVRD: Covered
  232. CVRG: Covering
  233. CVRS: Covers
  234. CWSU: Center Weather Service Units
  235. CYC: Cyclonic
  236. CYCLGN: Cyclogenesis
  237. DABRK: Daybreak
  238. DALGT: Daylight
  239. DBL: Double
  240. DC: District of Columbia
  241. DCR: Decrease
  242. DCRD: Decreased
  243. DCRG: Decreasing
  244. DCRGLY: Decreasingly
  245. DCRS: Decreases
  246. DE: Delaware
  247. DEG: Degree
  248. DEGS: Degrees
  249. DELMARVA: Delaware Maryland Virginia
  250. DFCLT: Difficult
  251. DFCLTY: Difficulty
  252. DFNT: Definite
  253. DFNTLY: Definitely
  254. DFRS: Differs
  255. DFUS: Diffuse
  256. DGNL: Diagonal
  257. DGNLLY: Diagonally
  258. DIGG: Digging
  259. DIR: Direction
  260. DISC: Discontinue
  261. DISCD: Discontinued
  262. DISCG: Discontinuing
  263. DISRE: Disregard
  264. DISRED: Disregarded
  265. DISREG: Disregarding
  266. DKTS: Dakotas
  267. DLA: Delay
  268. DLAD: Delayed
  269. DLT: Delete
  270. DLTD: Deleted
  271. DLTG: Deleting
  272. DLY: Daily
  273. DMG: Damage
  274. DMGD: Damaged
  275. DMGG: Damaging
  276. DMNT: Dominant
  277. DMSH: Diminish
  278. DMSHD: Diminished
  279. DMSHG: Diminishing
  280. DMSHS: Diminishes
  281. DNS: Dense
  282. DNSLP: Downslope
  283. DNSTRM: Downstream
  284. DNWND: Downwind
  285. DP: Deep
  286. DPND: Deepened
  287. DPNG: Deepening
  288. DPNS: Deepens
  289. DPR: Deeper
  290. DPTH: Depth
  291. DRFT: Drift
  292. DRFTD: Drifted
  293. DRFTG: Drifting
  294. DRFTS: Drifts
  295. DRZL: Drizzle
  296. DSCNT: Descent
  297. DSIPT: Dissipate
  298. DSIPTD: Dissipated
  299. DSIPTG: Dissipating
  300. DSIPTN: Dissipation
  301. DSIPTS: Dissipates
  302. DSND: Descend
  303. DSNDG: Descending
  304. DSNDS: Descends
  305. DSNT: Distant
  306. DSTBLZ: Destabilize
  307. DSTBLZD: Destabilized
  308. DSTBLZG: Destabilizing
  309. DSTBLZN: Destabilization
  310. DSTBLZS: Destabilizes
  311. DSTC: Distance
  312. DTRT: Deteriorate
  313. DTRTD: Deteriorated
  314. DTRTG: Deteriorating
  315. DTRTS: Deteriorates
  316. DURC: During climb
  317. DURD: During descent
  318. DURG: During
  319. DURN: Duration
  320. DVLP: Develop
  321. DVLPD: Developed
  322. DVLPG: Developing
  323. DVLPMT: Development
  324. DVLPS: Develops
  325. DVRG: Diverge
  326. DVRGG: Diverging
  327. DVRGNC: Divergence
  328. DVRGS: Diverges
  329. DVV: Downward vertical velocity
  330. DWNDFTS: Downdrafts
  331. DWPNT: Dew point
  332. DWPNTS: Dew points
  333. E: East
  334. EBND: Eastbound
  335. EFCT: Effect
  336. ELNGT: Elongate
  337. ELNGTD: Elongated
  338. ELSW: Elsewhere
  339. EMBDD: Embedded
  340. EMERG: Emergency
  341. ENCTR: Encounter
  342. ENDG: Ending
  343. ENE: East northeast
  344. ENELY: East northeasterly
  345. ENERN: East northeastern
  346. ENEWD: East northeastward
  347. ENHNC: Enhance
  348. ENHNCD: Enhanced
  349. ENHNCG: Enhancing
  350. ENHNCMNT: Enhancement
  351. ENHNCS: Enhances
  352. ENTR: Entire
  353. ERN: Eastern
  354. ERY: Early
  355. ERYR: Earlier
  356. ESE: East southeast
  357. ESELY: East southeasterly
  358. ESERN: East southeastern
  359. ESEWD: East southeastward
  360. ESNTL: Essential
  361. EST: Estimate
  362. ESTAB: Establish
  363. ETA: Estimated time of arrival or ETA model
  364. ETC: Et cetera
  365. ETIM: Elapsed time
  366. EVE: Evening
  367. EWD: Eastward
  368. EXCLV: Exclusive
  369. EXCLVLY: Exclusively
  370. EXCP: Except
  371. EXPC: Expect
  372. EXPCD: Expected
  373. EXPCG: Expecting
  374. EXTD: Extend
  375. EXTDD: Extended
  376. EXTDG: Extending
  377. EXTDS: Extends
  378. EXTN: Extension
  379. EXTRAP: Extrapolate
  380. EXTRAPD: Extrapolated
  381. EXTRM: Extreme
  382. EXTRMLY: Extremely
  383. EXTSV: Extensive
  384. F: Fahrenheit
  385. FA: Aviation area forecast
  386. FAM: Familiar
  387. FCST: Forecast
  388. FCSTD: Forecasted
  389. FCSTG: Forecasting
  390. FCSTR: Forecaster
  391. FCSTS: Forecasts
  392. FIG: Figure
  393. FILG: Filling
  394. FIR: Flight information region
  395. FIRAV: First available
  396. FL: Florida or flight level
  397. FLG: Falling
  398. FLRY: Flurry
  399. FLRYS: Flurries
  400. FLT: Flight
  401. FLW: Follow
  402. FLWG: Following
  403. FM: From
  404. FMT: Format
  405. FNCTN: Function
  406. FNT: Front
  407. FNTGNS: Frontogenesis
  408. FNTL: Frontal
  409. FNTLYS: Frontolysis
  410. FNTS: Fronts
  411. FORNN: Forenoon
  412. FPM: Feet per minute
  413. FQT: Frequent
  414. FQTLY: Frequently
  415. FRM: Form
  416. FRMG: Forming
  417. FRMN: Formation
  418. FROPA: Frontal passage
  419. FROSFC: Frontal surface
  420. FRST: Frost
  421. FRWF: Forecast wind factor
  422. FRZ: Freeze
  423. FRZG: Freezing
  424. FRZLVL: Freezing level
  425. FRZN: Frozen
  426. FT: Feet
  427. FTHR: Further
  428. FVRBL: Favorable
  429. FWD: Forward
  430. FYI: For your information
  431. G: Gust
  432. GA: Georgia
  433. GEN: General
  434. GENLY: Generally
  435. GEO: Geographic
  436. GEOREF: Geographical reference
  437. GF: Fog
  438. GICG: Glaze icing
  439. GLFALSK: Gulf of Alaska
  440. GLFCAL: Gulf of California
  441. GLFMEX: Gulf of Mexico
  442. GLFSTLAWR: Gulf of St. Lawrence
  443. GND: Ground
  444. GRAD: Gradient
  445. GRDL: Gradual
  446. GRDLY: Gradually
  447. GRT: Great
  448. GRTLKS: Great Lakes
  449. GRTLY: Greatly
  450. GSTS: Gusts
  451. GSTY: Gusty
  452. GTS: Global Telecommunication System
  453. HAZ: Hazard
  454. HDFRZ: Hard freeze
  455. HDSVLY: Hudson Valley
  456. HDWND: Head wind
  457. HGT: Height
  458. HI: Hawaii
  459. HI: High
  460. HIER: Higher
  461. HIFOR: High level forecast
  462. HLF: Half
  463. HLSTO: Hailstones
  464. HLTP: Hilltop
  465. HND: Hundred
  466. HPC: Hydrometeorological Prediction Center
  467. HR: Hour
  468. HRS: Hours
  469. HRZN: Horizon
  470. HTG: Heating
  471. HURCN: Hurricane
  472. HUREP: Hurricane report
  473. HV: Have
  474. HVY: Heavy
  475. HVYR: Heavier
  476. HVYST: Heaviest
  477. HWVR: However
  478. HWY: Highway
  479. IA: Iowa
  480. IC: Ice (in PIREPs only)
  481. ICAO: International Civil Aviation Organization
  482. ICG: Icing
  483. ICGIC: Icing in clouds
  484. ICGICIP: Icing in clouds and in precipitation
  485. ICGIP: Icing in precipitation
  486. ID: Idaho
  487. IFR: Instrument flight rules
  488. IL: Illinois
  489. IMDT: Immediate
  490. IMDTLY: Immediately
  491. IMPL: Impulse
  492. IMPLS: Impulses
  493. IMPT: Important
  494. INCL: Include
  495. INCLD: Included
  496. INCLG: Including
  497. INCLS: Includes
  498. INCR: Increase
  499. INCRD: Increased
  500. INCRG: Increasing
  501. INCRGLY: Increasingly
  502. INCRS: Increases
  503. INDC: Indicate
  504. INDCD: Indicated
  505. INDCG: Indicating
  506. INDCS: Indicates
  507. INDEF: Indefinite
  508. INFO: Information
  509. INLD: Inland
  510. INSTBY: Instability
  511. INTCNTL: Intercontinental
  512. INTL: International
  513. INTMD: Intermediate
  514. INTMT: Intermittent
  515. INTMTLY: Intermittently
  516. INTR: Interior
  517. INTRMTRGN: Intermountain region
  518. INTS: Intense
  519. INTSFCN: Intensification
  520. INTSFY: Intensify
  521. INTSFYD: Intensified
  522. INTSFYG: Intensifying
  523. INTSFYS: Intensifies
  524. INTSTY: Intensity
  525. INTVL: Interval
  526. INVOF: In vicinity of
  527. INVRN: Inversion
  528. IOVC: In overcast
  529. IP: Ice pellets
  530. IPV: Improve
  531. IPVG: Improving
  532. ISOL: Isolate
  533. ISOLD: Isolated
  534. JCTN: Junction
  535. JTSTR: Jet stream
  536. KFRST: Killing frost
  537. KLYR: Smoke layer aloft
  538. KOCTY: Smoke over city
  539. KS: Kansas
  540. KT: Knots
  541. KY: Kentucky
  542. LA: Louisiana
  543. LABRDR: Labrador
  544. LAT: Latitude
  545. LAWRS: Limited aviation weather reporting station
  546. LCL: Local
  547. LCLY: Locally
  548. LCTD: Located
  549. LCTMP: Little change in temperature
  550. LCTN: Location
  551. LEVEL: Level
  552. LFTG: Lifting
  553. LGRNG: Long range
  554. LGT: Light
  555. LGTR: Lighter
  556. LGWV: Long wave
  557. LI: Lifted Index
  558. LIS: Lifted Indices
  559. LK: Lake
  560. LKLY: Likely
  561. LKS: Lakes
  562. LLJ: Low level jet
  563. LLWAS: Low level wind shear alert system
  564. LLWS: Low level wind shear
  565. LMTD: Limited
  566. LMTG: Limiting
  567. LMTS: Limits
  568. LN: Line
  569. LO: Low
  570. LONG: Longitude
  571. LONGL: Longitudinal
  572. LRG: Large
  573. LRGR: Larger
  574. LRGST: Largest
  575. LST: Local standard time
  576. LTD: Limited
  577. LTG: Lightning
  578. LTGCC: Lightning cloud to cloud
  579. LTGCCCG: Lightning cloud to cloud cloud to ground
  580. LTGCG: Lightning cloud to ground
  581. LTGCW: Lightning cloud to water
  582. LTGIC: Lightning in cloud
  583. LTL: Little
  584. LTLCG: Little change
  585. LTR: Later
  586. LTST: Latest
  587. LV: Leaving
  588. LVL: Level
  589. LVLS: Levels
  590. LWR: Lower
  591. LWRD: Lowered
  592. LWRG: Lowering
  593. LYR: Layer
  594. LYRD: Layered
  595. LYRS: Layers
  596. MA: Massachusetts
  597. MAN: Manitoba
  598. MAX: Maximum
  599. MB: Millibars
  600. MCD: Mesoscale discussion
  601. MD: Maryland
  602. MDFY: Modify
  603. MDFYD: Modified
  604. MDFYG: Modifying
  605. MDL: Model
  606. MDLS: Models
  607. MDT: Moderate
  608. MDTLY: Moderately
  609. ME: Maine
  610. MED: Medium
  611. MEGG: Merging
  612. MESO: Mesoscale
  613. MET: Meteorological
  614. METAR: Aviation routine weather report
  615. METRO: Metropolitan
  616. MEX: Mexico
  617. MHKVLY: Mohawk Valley
  618. MI: Michigan
  619. MID: Middle
  620. MIDN: Midnight
  621. MIL: Military
  622. MIN: Minimum
  623. MISG: Missing
  624. MLTLVL: Melting level
  625. MN: Minnesota
  626. MNLD: Mainland
  627. MNLY: Mainly
  628. MO: Missouri
  629. MOGR: Moderate or greater
  630. MOV: Move
  631. MOVD: Moved
  632. MOVG: Moving
  633. MOVMT: Movement
  634. MOVS: Moves
  635. MPH: Miles per hour
  636. MRGL: Marginal
  637. MRGLLY: Marginally
  638. MRNG: Morning
  639. MRTM: Maritime
  640. MS: Mississippi
  641. MSG: Message
  642. MSL: Mean sea level
  643. MST: Most
  644. MSTLY: Mostly
  645. MSTR: Moisture
  646. MT: Montana
  647. MTN: Mountain
  648. MTNS: Mountains
  649. MULT: Multiple
  650. MULTILVL: Multilevel
  651. MWO: Meteorological Watch Office
  652. MXD: Mixed
  653. N: North
  654. NAB: Not above
  655. NAT: North Atlantic
  656. NATL: National
  657. NAV: Navigation
  658. NB: New Brunswick
  659. NBND: Northbound
  660. NBRHD: Neighborhood
  661. NC: North Carolina
  662. NCEP: National Center of Environmental
  663. NCO: NCEP Central Operations
  664. NCWX: No change in weather
  665. ND: North Dakota
  666. NE: Northeast
  667. NEB: Nebraska
  668. NEC: Necessary
  669. NEG: Negative
  670. NEGLY: Negatively
  671. NELY: Northeasterly
  672. NERN: Northeastern
  673. NEW ENG: New England
  674. NEWD: Northeastward
  675. NFLD: Newfoundland
  676. NGM: Nested grid model
  677. NGT: Night
  678. NH: New Hampshire
  679. NIL: None
  680. NJ: New Jersey
  681. NL: No layers
  682. NLT: Not later than
  683. NLY: Northerly
  684. NM: New Mexico
  685. NMBR: Number
  686. NMBRS: Numbers
  687. NML: Normal
  688. NMRS: Numerous
  689. NNE: North northeast
  690. NNELY: North northeasterly
  691. NNERN: North northeastern
  692. NNEWD: North northeastward
  693. NNNN: End of message
  694. NNW: North northwest
  695. NNWLY: North northwesterly
  696. NNWRN: North northwestern
  697. NNWWD: North northwestward
  698. NOAA: National Oceanic and Atmospheric Administration
  699. NOPAC: Northern Pacific
  700. NPRS: Nonpersistent
  701. NR: Near
  702. NRLY: Nearly
  703. NRN: Northern
  704. NRW: Narrow
  705. NS: Nova Scotia
  706. NTFY: Notify
  707. NTFYD: Notified
  708. NV: Nevada
  709. NVA: Negative vorticity advection
  710. NW: Northwest
  711. NWD: Northward
  712. NWLY: Northwesterly
  713. NWRN: Northwestern
  714. NWS: National Weather Service
  715. NXT: Next
  716. NY: New York
  717. OAT: Outside air temperature
  718. OBND: Outbound
  719. OBS: Observation
  720. OBSC: Obscure
  721. OBSCD: Obscured
  722. OBSCG: Obscuring
  723. OCFNT: Occluded front observed
  724. OCLD: Occlude
  725. OCLDD: Occluded
  726. OCLDG: Occluding
  727. OCLDS: Occludes
  728. OCLN: Occlusion
  729. OCNL: Occasional
  730. OCNLY: Occasionally
  731. OCR: Occur
  732. OCRD: Occurred
  733. OCRG: Occurring
  734. OCRS: Occurs
  735. OFC: Office
  736. OFP: Occluded frontal passage
  737. OFSHR: Offshore
  738. OH: Ohio
  739. OK: Oklahoma
  740. OMTNS: Over mountains
  741. ONSHR: On shore
  742. OR: Oregon
  743. ORGPHC: Orographic
  744. ORIG: Original
  745. OSV: Ocean station vessel
  746. OTLK: Outlook
  747. OTP: On top
  748. OTR: Other
  749. OTRW: Otherwise
  750. OUTFLO: Outflow
  751. OVC: Overcast
  752. OVHD: Overhead
  753. OVNGT: Overnight
  754. OVR: Over
  755. OVRN: Overrun
  756. OVRNG: Overrunning
  757. OVTK: Overtake
  758. OVTKG: Overtaking
  759. OVTKS: Overtakes
  760. PA: Pennsylvania
  761. PAC: Pacific
  762. PATWAS: Pilot’s automatic telephone weather answering service
  763. PBL: Planetary boundary layer
  764. PCPN: Precipitation
  765. PD: Period
  766. PDMT: Predominant
  767. PEN: Peninsula
  768. PERM: Permanent
  769. PGTSND: Puget Sound
  770. PHYS: Physical
  771. PIBAL: Pilot balloon observation
  772. PIREP: Pilot weather report
  773. PL: Ice pellets
  774. PLNS: Plains
  775. PLS: Please
  776. PLTO: Plateau
  777. PM: Postmeridian
  778. PNHDL: Panhandle
  779. POS: Positive
  780. POSLY: Positively
  781. PPINA: Radar weather report not available
  782. PPINE: Radar weather report no echoes
  783. PPSN: Present position
  784. PRBL: Probable
  785. PRBLTY: Probability
  786. PRBLY: Probably
  787. PRECD: Precede
  788. PRECDD: Preceded
  789. PRECDG: Preceding
  790. PRECDS: Precedes
  791. PRES: Pressure
  792. PRESFR: Pressure falling rapidly
  793. PRESRR: Pressure rising rapidly
  794. PRIM: Primary
  795. PRIN: Principal
  796. PRIND: Present indications are
  797. PRJMP: Pressure jump
  798. PROB: Probability
  799. PROC: Procedure
  800. PROD: Produce
  801. PRODG: Producing
  802. PROG: Forecast
  803. PROGD: Forecasted
  804. PROGS: Forecasts
  805. PRSNT: Present
  806. PRSNTLY: Presently
  807. PRST: Persist
  808. PRSTNC: Persistence
  809. PRSTNT: Persistent
  810. PRSTS: Persists
  811. PRVD: Provide
  812. PRVDD: Provided
  813. PRVDG: Providing
  814. PRVDS: Provides
  815. PS: Plus
  816. PSBL: Possible
  817. PSBLTY: Possibility
  818. PSBLY: Possibly
  819. PSG: Passage
  820. PSN: Position
  821. PSND: Positioned
  822. PTCHY: Patchy
  823. PTLY: Partly
  824. PTNL: Potential
  825. PTNLY: Potentially
  826. PTNS: Portions
  827. PUGET: Puget Sound
  828. PVA: Positive vorticity advection
  829. PVL: Prevail
  830. PVLD: Prevailed
  831. PVLG: Prevailing
  832. PVLS: Prevails
  833. PVLT: Prevalent
  834. PWB: Pilot weather briefing
  835. PWR: Power
  836. QN: Question
  837. QSTNRY: Quasistationary
  838. QTR: Quarter
  839. QUAD: Quadrant
  840. QUE: Quebec
  841. R: Rain
  842. RADAT: Radiosonde additional data
  843. RAOB: Radiosonde observation
  844. RCH: Reach
  845. RCHD: Reached
  846. RCHG: Reaching
  847. RCHS: Reaches
  848. RCKY: Rocky
  849. RCKYS: Rockies
  850. RCMD: Recommend
  851. RCMDD: Recommended
  852. RCMDG: Recommending
  853. RCMDS: Recommends
  854. RCRD: Record
  855. RCRDS: Records
  856. RCV: Receive
  857. RCVD: Received
  858. RCVG: Receiving
  859. RCVS: Receives
  860. RDC: Reduce
  861. RDGG: Ridging
  862. RDVLP: Redevelop
  863. RDVLPG: Redeveloping
  864. RDVLPMT: Redevelopment
  865. RE: Regard
  866. RECON: Reconnaissance
  867. REF: Reference
  868. REPL: Replace
  869. REPLD: Replaced
  870. REPLG: Replacing
  871. REPLS: Replaces
  872. REQ: Request
  873. REQS: Requests
  874. REQSTD: Requested
  875. RES: Reserve
  876. RESP: Response
  877. RESTR: Restrict
  878. RGD: Ragged
  879. RGL: Regional model
  880. RGLR: Regular
  881. RGLY: Largely
  882. RGN: Region
  883. RGNS: Regions
  884. RGT: Right
  885. RH: Relative humidity
  886. RI: Rhode Island
  887. RIOGD: Rio Grande
  888. RLBL: Reliable
  889. RLTV: Relative
  890. RMK: Remark
  891. RMN: Remain
  892. RMND: Remained
  893. RMNDR: Remainder
  894. RMNG: Remaining
  895. RMNS: Remains
  896. RNFL: Rainfall
  897. ROT: Rotate
  898. ROTD: Rotated
  899. ROTG: Rotating
  900. ROTS: Rotates
  901. RPD: Rapid
  902. RPDLY: Rapidly
  903. RPLC: Replace
  904. RPLCD: Replaced
  905. RPLCG: Replacing
  906. RPLCS: Replaces
  907. RPRT: Report
  908. RPRTD: Reported
  909. RPRTG: Reporting
  910. RPRTS: Reports
  911. RPT: Repeat
  912. RPTG: Repeating
  913. RPTS: Repeats
  914. RQR: Require
  915. RQRD: Required
  916. RQRG: Requiring
  917. RQRS: Requires
  918. RSG: Rising
  919. RSN: Reason
  920. RSNG: Reasoning
  921. RSNS: Reasons
  922. RSTR: Restrict
  923. RSTRD: Restricted
  924. RSTRG: Restricting
  925. RSTRS: Restricts
  926. RTRN: Return
  927. RTRND: Returned
  928. RTRNG: Returning
  929. RTRNS: Returns
  930. RUF: Rough
  931. RUFLY: Roughly
  932. RVS: Revise
  933. RVSD: Revised
  934. RVSG: Revising
  935. RVSS: Revises
  936. RWY: Runway
  937. S: South
  938. S RLTVLY: Relatively
  939. SAB: Satellite Analysis Branch
  940. SASK: Saskatchewan
  941. SATFY: Satisfactory
  942. SBND: Southbound
  943. SBSD: Subside
  944. SBSDD: Subsided
  945. SBSDNC: Subsidence
  946. SBSDS: Subsides
  947. SC: South Carolina or stratocumulus
  948. SCND: Second
  949. SCNDRY: Secondary
  950. SCSL: Stratocumulus standing lenticular
  951. SCT: Scatter
  952. SCTD: Scattered
  953. SCTR: Sector
  954. SD: South Dakota
  955. SE: Southeast
  956. SEC: Second
  957. SELY: Southeasterly
  958. SEPN: Separation
  959. SEQ: Sequence
  960. SERN: Southeastern
  961. SEV: Severe
  962. SEWD: Southeastward
  963. SFC: Surface
  964. SG: Snow grains
  965. SGFNT: Significant
  966. SGFNTLY: Significantly
  967. SHFT: Shift
  968. SHFTD: Shifted
  969. SHFTG: Shifting
  970. SHFTS: Shifts
  971. SHLD: Shield
  972. SHLW: Shallow
  973. SHRT: Short
  974. SHRTLY: Shortly
  975. SHRTWV: Shortwave
  976. SHUD: Should
  977. SHWR: Shower
  978. SIERNEV: Sierra Nevada
  979. SIG: Signature
  980. SIGMET: Significant meteorological information
  981. SIMUL: Simultaneous
  982. SKC: Sky clear
  983. SKED: Schedule
  984. SLD: Solid
  985. SLGT: Slight
  986. SLGTLY: Slightly
  987. SLO: Slow
  988. SLOLY: Slowly
  989. SLOR: Slower
  990. SLP: Slope
  991. SLPG: Sloping
  992. SLW: Slow
  993. SLY: Southerly
  994. SM: Statute mile
  995. SML: Small
  996. SMLR: Smaller
  997. SMRY: Summary
  998. SMTH: Smooth
  999. SMTHR: Smoother
  1000. SMTHST: Smoothest
  1001. SMTM: Sometime
  1002. SMWHT: Somewhat
  1003. SN: Snow
  1004. SNBNK: Snowbank
  1005. SNFLK: Snowflake
  1006. SNGL: Single
  1007. SNOINCR: Snow increase
  1008. SNOINCRG: Snow increasing
  1009. SNST: Sunset
  1010. SOP: Standard operating procedure
  1011. SPC: Storm Prediction Center
  1012. SPCLY: Especially
  1013. SPD: Speed
  1014. SPKL: Sprinkle
  1015. SPLNS: Southern Plains
  1016. SPRD: Spread
  1017. SPRDG: Spreading
  1018. SPRDS: Spreads
  1019. SPRL: Spiral
  1020. SQ: Squall
  1021. SQLN: Squall line
  1022. SR: Sunrise
  1023. SRN: Southern
  1024. SRND: Surround
  1025. SRNDD: Surrounded
  1026. SRNDG: Surrounding
  1027. SRNDS: Surrounds
  1028. SS: Sunset
  1029. SSE: South southeast
  1030. SSELY: South southeasterly
  1031. SSERN: South southeastern
  1032. SSEWD: South southeastward
  1033. SSW: South southwest
  1034. SSWLY: South southwesterly
  1035. SSWRN: South southwestern
  1036. SSWWD: South southwestward
  1037. ST: Stratus
  1038. STAGN: Stagnation
  1039. STBL: Stable
  1040. STBLTY: Stability
  1041. STD: Standard
  1042. STDY: Steady
  1043. STFR: Stratus fractus
  1044. STFRM: Stratiform
  1045. STG: Strong
  1046. STGLY: Strongly
  1047. STGR: Stronger
  1048. STGST: Strongest
  1049. STM: Storm
  1050. STMS: Storms
  1051. STN: Station
  1052. STNRY: Stationary
  1053. SUB: Substitute
  1054. SUBTRPCL: Subtropical
  1055. SUF: Sufficient
  1056. SUFLY: Sufficiently
  1057. SUG: Suggest
  1058. SUGG: Suggesting
  1059. SUGS: Suggests
  1060. SUP: Supply
  1061. SUPG: Supplying
  1062. SUPR: Superior
  1063. SUPSD: Supersede
  1064. SUPSDG: Superseding
  1065. SUPSDS: Supersedes
  1066. SVG: Serving
  1067. SVRL: Several
  1068. SW: Southwest
  1069. SWD: Southward
  1070. SWLY: Southwesterly
  1071. SWRN: Southwestern
  1072. SWWD: Southwestward
  1073. SX: Stability index
  1074. SXN: Section
  1075. SYNOP: Synoptic
  1076. SYNS: Synopsis
  1077. SYS: System
  1078. TAF: Aviation terminal forecast
  1079. TCNTL: Transcontinental
  1080. TCU: Towering cumulus
  1081. TDA: Today
  1082. TEMP: Temperature
  1083. THK: Thick
  1084. THKNG: Thickening
  1085. THKNS: Thickness
  1086. THKR: Thicker
  1087. THKST: Thickest
  1088. THN: Thin
  1089. THNG: Thinning
  1090. THNR: Thinner
  1091. THNST: Thinnest
  1092. THR: Threshold
  1093. THRFTR: Thereafter
  1094. THRU: Through
  1095. THRUT: Throughout
  1096. THSD: Thousand
  1097. THTN: Threaten
  1098. THTND: Threatened
  1099. THTNG: Threatening
  1100. THTNS: Threatens
  1101. TIL: Until
  1102. TMPRY: Temporary
  1103. TMPRYLY: Temporarily
  1104. TMW: Tomorrow
  1105. TN: Tennessee
  1106. TNDCY: Tendency
  1107. TNDCYS: Tendencies
  1108. TNGT: Tonight
  1109. TNTV: Tentative
  1110. TNTVLY: Tentatively
  1111. TOPS: Tops
  1112. TOVC: Top of overcast
  1113. TPG: Topping
  1114. TRBL: Trouble
  1115. TRIB: Tributary
  1116. TRKG: Tracking
  1117. TRML: Terminal
  1118. TRMT: Terminate
  1119. TRMTD: Terminated
  1120. TRMTG: Terminating
  1121. TRMTS: Terminates
  1122. TRNSP: Transport
  1123. TRNSPG: Transporting
  1124. TROF: Trough
  1125. TROFS: Troughs
  1126. TROP: Tropopause
  1127. TRPCD: Tropical continental air mass
  1128. TRPCL: Tropical
  1129. TRRN: Terrain
  1130. TRSN: Transition
  1131. TS: Thunderstorm
  1132. TSFR: Transfer
  1133. TSFRD: Transferred
  1134. TSFRG: Transferring
  1135. TSFRS: Transfers
  1136. TSNT: Transient
  1137. TURBC: Turbulence
  1138. TURBT: Turbulent
  1139. TWD: Toward
  1140. TWDS: Towards
  1141. TWI: Twilight
  1142. TWRG: Towering
  1143. TX: Texas
  1144. UA: Pilot weather reports
  1145. UDDF: Up and downdrafts
  1146. UN: Unable
  1147. UNAVBL: Unavailable
  1148. UNEC: Unnecessary
  1149. UNKN: Unknown
  1150. UNL: Unlimited
  1151. UNRELBL: Unreliable
  1152. UNRSTD: Unrestricted
  1153. UNSATFY: Unsatisfactory
  1154. UNSBL: Unseasonable
  1155. UNSTBL: Unstable
  1156. UNSTDY: Unsteady
  1157. UNSTL: Unsettle
  1158. UNSTLD: Unsettled
  1159. UNUSBL: Unusable
  1160. UPDFTS: Updrafts
  1161. UPR: Upper
  1162. UPSLP: Upslope
  1163. UPSTRM: Upstream
  1164. URG: Urgent
  1165. USBL: Usable
  1166. UT: Utah
  1167. UTC: Universal Time Coordinate
  1168. UVV: Upward vertical velocity
  1169. UWNDS: Upper winds
  1170. VA: Virginia
  1171. VAAC: Volcanic Ash Advisory Center
  1172. VAAS: Volcanic Ash Advisory Statement
  1173. VAL: Valley
  1174. VARN: Variation
  1175. VCNTY: Vicinity
  1176. VCOT: VFR conditions on top
  1177. VCTR: Vector
  1178. VFR: Visual flight rules
  1179. VFY: Verify
  1180. VFYD: Verified
  1181. VFYG: Verifying
  1182. VFYS: Verifies
  1183. VLCTY: Velocity
  1184. VLCTYS: Velocities
  1185. VLNT: Violent
  1186. VLNTLY: Violently
  1187. VMC: Visual meteorological conditions
  1188. VOL: Volume
  1189. VORT: Vorticity
  1190. VR: Veer
  1191. VRBL: Variable
  1192. VRG: Veering
  1193. VRISL: Vancouver Island, BC
  1194. VRS: Veers
  1195. VRT MOTN: Vertical motion
  1196. VRY: Very
  1197. VSB: Visible
  1198. VSBY: Visibility
  1199. VSBYDR: Visibility decreasing rapidly
  1200. VSBYIR: Visibility increasing rapidly
  1201. VT: Vermont
  1202. VV: Vertical velocity
  1203. W: West
  1204. WA: Washington
  1205. WAA: Warm air advection
  1206. WAFS: Word Area Forecast System
  1207. WBND: Westbound
  1208. WDLY: Widely
  1209. WDSPRD: Widespread
  1210. WEA: Weather
  1211. WFO: Weather Forecast Office
  1212. WFP: Warm front passage
  1213. WFSO: Weather Forecast Service Office
  1214. WI: Wisconsin
  1215. WIBIS: Will be issued
  1216. WINT: Winter
  1217. WK: Weak
  1218. WKDAY: Weekday
  1219. WKEND: Weekend
  1220. WKN: Weaken
  1221. WKNG: Weakening
  1222. WKNS: Weakens
  1223. WKR: Weaker
  1224. WKST: Weakest
  1225. WL: Will
  1226. WLY: Westerly
  1227. WND: Wind
  1228. WNDS: Winds
  1229. WNW: West northwest
  1230. WNWLY: West northwesterly
  1231. WNWRN: West northwestern
  1232. WNWWD: West northwestward
  1233. WO: Without
  1234. WPLTO: Western Plateau
  1235. WRM: Warm
  1236. WRMFNT: Warm front
  1237. WRMFNTL: Warm frontal
  1238. WRMG: Warming
  1239. WRMR: Warmer
  1240. WRMST: Warmest
  1241. WRN: Western
  1242. WRNG: Warning
  1243. WRS: Worse
  1244. WS: Wind shear
  1245. WSFO: Weather Service Forecast Office
  1246. WSHFT: Windshift
  1247. WSTCH: Wasatch Range
  1248. WSW: West southwest
  1249. WSWLY: West southwesterly
  1250. WSWRN: West southwestern
  1251. WSWWD: West southwestward
  1252. WTR: Water
  1253. WTSPT: Waterspout
  1254. WUD: Would
  1255. WV: West Virginia
  1256. WVS: Waves
  1257. WW: Severe weather watch
  1258. WWD: Westward
  1259. WX: Weather
  1260. WY: Wyoming
  1261. XCP: Except
  1262. XPC: Expect
  1263. XPCD: Expected
  1264. XPCG: Expecting
  1265. XPCS: Expects
  1266. XPLOS: Explosive
  1267. XTND: Extend
  1268. XTNDD: Extended
  1269. XTNDG: Extending
  1270. XTRM: Extreme
  1271. XTRMLY: Extremely
  1272. YDA: Yesterday
  1273. YKN: Yukon
  1274. YLSTN: Yellowstone
  1275. ZN: Zone
  1276. ZNS: Zones