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TROPICAL WEATHER-THEMED QUESTIONS
Terms in this set (22)
Hurricane season across the Tropical Atlantic basin officially begins on June 1st every year.
When does the Atlantic hurricane season officially begin?
On average, 10.1 named storms occur each year across the Tropical Atlantic Basin!
What is the average number of hurricanes across the Tropical Atlantic Ocean basin in a given year?
On average, 25.7 named storms occur each year across the Tropical Western Pacific Basin!
What is the average number of named storms across the Tropical Western Pacific Ocean basin each year?
On average, 16 typhoons occur each year across the Tropical Western Pacific Basin!
What is the average number of typhoons across the Western Pacific Ocean basin in a given year?
39 named tropical storms (1964)
What is the greatest number of tropical cyclones ever observed during a single tropical cyclone season in any tropical oceanic basin around the world?
The most dangerous aspect of a tropical cyclone is a tropical cyclone's storm surge is a storm surge is essentially a wall of water generated by the persistent onshore flow from a tropical cyclone. Storm surge is the most dangerous issue with tropical cyclone landfalls and near-landfalls since the force of higher-level moving water is one of the most powerful natural forces on Earth.
What is the most dangerous aspect of a tropical cyclone and why?
This region of a tropical cyclone is often observed as being incredibly calm and without much rainfall at all in nearly all cases.
This circular region of a tropical cyclone which is usually close to being donut-shaped has the most intense winds within a typical tropical cyclone.
This region is often found within mature tropical cyclones as their intensity undergoes variable fluctuations and/or when they are close to land and is identified as a region between the primary eyewall and the first inner spiral rain band where slightly calmer conditions are sometimes found.
These types of updrafts are the variety which is most commonly found within the eyewall and inner core of most tropical cyclones.
Despite most thunderstorm activity within tropical cyclones being rather intense, you often do not see much of this electrical atmospheric phenomenon aside from sometimes for brief periods of time during periods of rapid intensification.
In the Northern Hemisphere, because of the Coriolis effect, tropical cyclones rotate _______________.
On average, several hundred or more ____________ emerge off the coast of Western Africa during a typical Tropical Atlantic hurricane season regardless of the presence of favorable or unfavorable tropical development conditions further west. These features are most often identified as organized areas of rain and thunderstorms with no definable surface circulation. Sometimes, they fizzle out and nothing becomes of them but other times they continue to organize.
Once a tropical wave develops enough deeper convection along with at least one closed surface-based pressure contour, a ____________ is recognized as being born. This stage of tropical development can involve wind speeds of up to 39 mph.
Once a tropical depression forms, further intensification of the sustained winds up to 39 mph leads to the storm receiving a name and therefore becomes referred to as a ______________. The sustained wind range for this stage of tropical cyclone development is between 39 mph and 73 mph. These events upon landfall can still be very problematic due to the potential for heavy rains and strong winds.
Once a tropical storm intensifies to the point at which the sustained wind speeds reach and/or surpass 74 mph, a tropical storm is upgraded to a ___________. At this stage, it is worth noting that it will also retain the same name it had as a tropical storm. The Saffir-Simpson scale is used to breakdown and this phase of tropical development into categories from 1 to 5.
Eyewall replacement cycle
When a major hurricane (i.e., a hurricane with sustained wind speeds of at least 111 mph) reaches its maximum intensity, it will often undergo a process known as an _________ __________________ ____________ at least once which often hinders further re-intensification for a brief period of time.
Annular tropical cyclone
An ____________________ is a tropical cyclone that features a normal to large, symmetric eye surrounded by a thick and uniform ring of intense convection. Often times, this brand of tropical cyclones has a relative lack of discrete rain-bands, and also often has a symmetric appearance in general.
Tropical Storm Watch
This weather advisory is issued when "a tropical cyclone containing winds of 34 to 63 knots (39 to 73 mph) or higher poses a possible threat, generally within 48 hours. These winds may be accompanied by storm surge, coastal flooding, and/or river flooding." (credit: National Weather Service)
Tropical Storm Warning
This weather advisory is issued when "sustained winds of 34 to 63 knots (39 to 73 mph) or higher associated with a tropical cyclone are expected in 36 hours or less. These winds may be accompanied by storm surge, coastal flooding, and/or river flooding." (credit: National Weather Service)
This weather advisory is issued when "a tropical cyclone containing winds of 64 knots (74 mph) or higher poses a possible threat, generally within 48 hours. These winds may be accompanied by storm surge, coastal flooding, and/or river flooding. Note, this weather advisory does not mean that hurricane conditions will occur. It only means that these conditions are possible." (credit: National Weather Service)
This weather advisory is issued when "sustained winds of 64 knots (74 mph) or higher associated with a tropical cyclone are expected in 36 hours or less. These winds may be accompanied by storm surge, coastal flooding, and/or river flooding. This advisory can also remain in effect when dangerously high water or a combination of dangerously high water and exceptionally high waves continue, even though winds may be less than hurricane force." (credit: National Weather Service)