Exam 3 Thunderstorms/ lightening/tornadoes

hurricanes

severe cyclonic storms with winds greater than 74 miles per hour in the north atlantic central north pacific and eastern north pacific are called

positive

changes at bottom of the cloud seek… charged objects on the ground such as buildings trees or people

typhoons

severe cyclonic storms with winds greater than 72mph in the northwestern pacific are called…

warm

thunderstorms form from… moist air along cold fronts

one

category… winds 75-95

tornado alley

most tornadoes from in the US in a area known as… warm moist air from the gulf of mexico collides with cold dry air

two

category… 96-110

dixie

deadliest tornados occur in areas known as … alley

warning

hurricane conditions expected within 24 hours

storm

a tropical… has winds above 39mph given a name more organized if hits land most damaged caused by its rainfall

three

category … 111-130

cumulus

all thunderstorms begin as… clouds

hurricane

a … is a large violent cyclonic storm a swirling low pressure system that forms over the warm atlantic ocean with wind speeds greater than 74mph

cumulonimbus

the clouds that produce heavy thunderstorms in summer are… clouds

five

category … winds greater than 156mph

tornadoes

form from severe thunderstorms

depression

a tropical… is a cluster of organized thunderstorms not very compact sustained winds of at least 30mph given a number

farraday cage

inside your vehicle is actually a safe place its kind of a …

thunderstorms

severe… torrential downpours strong winds at greater than 58mph hail ¾ inch diameter or larger frequent lightening

cyclones

severe cyclonic storms with winds greater than 74mph om the indian ocean and southwestern pacific ocean are called…

negative

bottom of a cloud has… charges

watch

hurricane … a hurricane poses a possible threat within the next 36 hours

four

category … 131-155mph

watch

tornado… conditions are favorable for a tornado to form

warning

a tornado … a tornado has formed

fujita

scale for rating tornado intensity based primarily on the damage tornadoes inflict on human built structures and vegetation