Cyclonic Storms - Hurricanes, Typhoons, Cyclones Assessment, Thunderstorms Assessment, Tornadoes and Winter Storms Assessment
Most tornadoes range between ________________ in diameter.
300 feet to 1 mile
Tropical cyclonic storms originate between ________________.
5° and 30° latitude
Cyclonic storms rotate _____________________ in the northern hemisphere and __________________ in the southern hemisphere.
Answer 1: counterclockwise Answer 2: clockwise
During a lightning strike the ______ ions move towards the ground and the ________ ions move towards the clouds.
Answer 1: negative Answer 2: Positive
How can tornadoes be detected?
Doppler Radar By observing updrafts, instability, and wind shear
During the dissipation stage of thunderstorm development ___________________________.
Downdrafts are stronger than updrafts Rain cools the air The intensity of the storm at ground level weakens
Which of the following contributes to thunderstorm development?
Humidity begins to increase causing the air mass to become unstable
The friction of the updrafts and the downdrafts in a severe thunderstorm produces ___________ ____________
Static electricity
What was the name of the largest diameter storm in the Atlantic
Super Storm Sandy
What is the strongest type of tropical cyclonic storms and where are they located?
Super Typhoon, 100° and 180° E in the Western Pacific
Where do tornadoes come from?
Super cells of a severe thunderstorm cumulonimbus clouds when a mesocyclone forms in a thunderstorm and touches down
Severe, long-lasting thunderstorms are sometimes called _______________.
Supercells
A current that pushes ahead of a hurricane, typhoon, or cyclone that causes high tides and flooding is called _______________.
a storm surge
How many tornadoes hit the United States every year?
about 1200
How are tornadoes able to pick up large objects?
because of its rotating center with extremely low pressure
Why are blizzards so dangerous?
freezing temperatures high winds potential for frostbite and hypothermia low visibility (all of the answers are correct)
Tropical storms have greater wind speeds than a tropical depression but less than a hurricane. They also have __________.
more rainfall than a tropical depression
Step leaders are the ________________ moving towards the ground.
negative ions
In order to form a tropical cyclone, there are several factors that must exist. These include all of the following except ____________________________________.
the weather starts out as beautiful and clear
What are the factors a blizzard must have to be considered a blizzard?
the wind must blow so hard it reduces visibility temperature less than -7°C (19.4°F) low-pressure storm systems
When the lightening discharges, the air around gets hot and begins to expand. This causes ____________________.
thunder
A severe thunderstorm has one of 3 characteristics. One of them is (a) _______________
tornado
Nor'easter's can take on the characteristics of __________________________.
tropical, low-pressure cyclonic systems
Streamers are the ________________.
upward moving positively charged ions
Cyclonic storms originate over _______ water (at least ____ degrees F) that is very _________.
warm, 80, deep
When does the funnel cloud become a tornado?
when the funnel cloud touches ground
What is the eye wall of a cyclonic storm?
where the strongest bands of wind are located
Where do most tornadoes originate?
In the Mississippi River Valley of the United States
Describe the difference between hurricanes, typhoons, cyclones. Include where they are found.
The difference between hurricanes, typhoons and cyclones are there location. Hurricanes are found between 140 west and the northwest coast of the U.S. Typhoons are found 100 and 180 East, and Cyclones are in the Pacific and Indian oceans.
When you see a normal, mature, thunderstorm approaching, what is really happening?
The unstable air mass has ceased rising at the top of the stratosphere
