severe storms Flashcards
a thunderstorm is classified severe when it has
one inch hail or greater
winds gusting 57 miles per hour
or a tornado
what pressure are tornados
they are low pressure storms
a tornado rotates where in the northern hemisphere
counterclockwise
the center of a tornado is
chaotic and rough
tornados come from
released energy from a thunderstorm
what time of year do tornados occur
during summer and spring
tornados usually occur
east of Rocky Mountains and west of Appalachian Mountains
what time do tornados occur
they happen during the late afternoon and early evening
Tornados usually happen along
cold fronts
gale tornados cause
light damage
hurricanes are what pressure
they are low-pressure systems
hurricanes form over
warm, tropical water near the equator
hurricanes in the northern hem spin
counter clock wise
the eye of a hurricane is
very calm
atlantic oceans form
hurricanes
pacific oceans are called
typhoons
Indian oceans form
cycloons
tropical storms are given names when
winds reach 39 to 73
when do hurricanes occur
June- November
most hurricanes and tropical storms occur during which month
September
what is he Saffir-Simpson scale used for
to rank hurricane intensities
STORM SURGE ACCOUNTS FOR WHAT PERCENTAGE OF HURRICAN CAUSED DEATHS
90%
high-pressure systems move
clockwise and outward
low pressure systems move
counterclock wise and inward
The Enhanced Fujita Scale does what
rates tornadoes based on the amount and type of wind damage produced.
what is the definition of the atmosphere
a layer of gases that surround the earth
what layer do large cumulonimbus clouds extend to the lower part of?
stratosphere
