severe storms Flashcards

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1
Q

a thunderstorm is classified severe when it has

A

one inch hail or greater
winds gusting 57 miles per hour
or a tornado

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2
Q

what pressure are tornados

A

they are low pressure storms

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3
Q

a tornado rotates where in the northern hemisphere

A

counterclockwise

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4
Q

the center of a tornado is

A

chaotic and rough

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5
Q

tornados come from

A

released energy from a thunderstorm

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6
Q

what time of year do tornados occur

A

during summer and spring

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7
Q

tornados usually occur

A

east of Rocky Mountains and west of Appalachian Mountains

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8
Q

what time do tornados occur

A

they happen during the late afternoon and early evening

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9
Q

Tornados usually happen along

A

cold fronts

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10
Q

gale tornados cause

A

light damage

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11
Q

hurricanes are what pressure

A

they are low-pressure systems

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12
Q

hurricanes form over

A

warm, tropical water near the equator

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13
Q

hurricanes in the northern hem spin

A

counter clock wise

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14
Q

the eye of a hurricane is

A

very calm

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15
Q

atlantic oceans form

A

hurricanes

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16
Q

pacific oceans are called

A

typhoons

17
Q

Indian oceans form

A

cycloons

18
Q

tropical storms are given names when

A

winds reach 39 to 73

19
Q

when do hurricanes occur

A

June- November

20
Q

most hurricanes and tropical storms occur during which month

A

September

21
Q

what is he Saffir-Simpson scale used for

A

to rank hurricane intensities

22
Q

STORM SURGE ACCOUNTS FOR WHAT PERCENTAGE OF HURRICAN CAUSED DEATHS

A

90%

23
Q

high-pressure systems move

A

clockwise and outward

24
Q

low pressure systems move

A

counterclock wise and inward

25
Q

The Enhanced Fujita Scale does what

A

rates tornadoes based on the amount and type of wind damage produced.

26
Q

what is the definition of the atmosphere

A

a layer of gases that surround the earth

27
Q

what layer do large cumulonimbus clouds extend to the lower part of?

A

stratosphere