Earth Science Mod. 7 Quiz 7.6.5 Storms
Cyclonic storms rotate ______ _______________in the northern hemisphere and ______ ____________ in the southern hemisphere.
1. counter clockwise 2. clockwise
During a lightning strike the __ _____ ions move towards the ground and the __ ______ ions move towards the clouds.
1. negative 2. positive
Most tornadoes range between ________________ in diameter.
300 feet to 1 mile
Tropical cyclonic storms originate between ________________.
5° and 30° latitude
What was the name of the largest diameter storm in the Atlantic?
Super Storm Sandy
The strongest tropical cyclonic storm to hit land in recorded history was __________________________________.
Super Typhoon Haiyan AKA Typhoon Yolonda
What is the strongest type of tropical cyclonic storms and where are they located?
Super Typhoon, 100° and 180° E in the Western Pacific
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
Why are blizzards so dangerous?
all of these
How are tornadoes able to pick up large objects?
because of its rotating center with extremely low pressure
Down bursts can cause similar damage to a tornado because _________________.
cold air falls rapidly down through the thunderstorm
Lake effect snow is caused by _________________.
moisture being picked up over lakes and deposited on the shore as snow
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
The friction of the updrafts and the downdrafts in a severe thunderstorm produces ___________ ____________ (2 words)
static electricity
Severe, long-lasting thunderstorms are sometimes called _______________.
supercells
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
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) _______________ (one general word)
tornado
Tropical cyclonic storms begin as _________________________________.
tropical depressions
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 the ground
What is the eye wall of a cyclonic storm?
where the strongest bands of wind are located
How can tornadoes be detected? (Choose 2)
-By doppler radar -By observing updrafts, instability, and wind shear
During the dissipation stage of thunderstorm development ___________________________. (Select all that apply)
-Downdrafts are stronger than updrafts -The intensity of the storm at ground level weakens -rain cools the air
Where do tornadoes come from? (Choose 3)
-Supercells of a severe thunderstorm -cumulonimbus clouds -when a mesocyclone forms in a thunderstorm and touches down
What are the factors a blizzard must have to be considered a blizzard? (Choose 3)
-the wind must blow so hard it reduces visibility -temperature less than -7°C (19.4°F) -low-pressure storm systems
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 only difference between hurricanes, typhoons, and cyclones is where they're located. Otherwise they're basically the same things. -Cyclones are usually located in the Southern Hemisphere. -Typhoons are usually located in the Northeast Pacific -Hurricanes are usually located in the Atlantic and the Northeast Pacific.
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
