Storms - Notes
Storms
Types of severe storms
Thunderstorms
A violent ____________ in the ______________.
This involves sudden changes in ___________. This cause rapid ______
movement. The same conditions that bring ______ kind of storm in one
area often cause ________ kinds of storms in the same area.
___________________, ______________________, __________________,
________________________.
_________ thunderstorms involves with torrential downpours,
_________winds at greater than 58 miles per hour, ________l ¾ inch
diameter (or larger, and __________lightning.
Severe Thunderstorm Watch is issued by National Weather Service. This
means that_____________ are ___________ for a thunderstorm. Length is
________ hours.
Severe Thunderstorm Warning also issued By Local Weather Service. This
means a severe storm has been spotted by doppler radar. It usually lasts for
only ______ hour.
Lightning
A sudden spark or energy ___________, caused when electric discharges
_________between ________ of a cloud, _________ clouds, or _________ a
cloud and the ground.
Properties of a Lightning:
_______________ of over 30,000C (much hotter than _______ surface).
Heated air ___________ ___________ and __________ making a sound of
thunder.
Why do we see lightning before we hear thunder?
Because__________ travels much faster than __________.
Thunderstorm/Lightning
Safety
Tornadoes
Stay __________, away from doors and windows.
Avoid objects that __________ electricity, such as metal objects and bodies
of water.
Do not seek shelter under the __________.
Do not use phones with ________.
Remember: _________ are pretty safe…
Is a rapidly __________, _________- shaped cloud that reaches down from
a cloud to touch Earth’s surface.
Same system that produces ___________ can produce ____________.
Late in the day, when earth’s surface is very ________, __________ (the
flow of heat through a material, causing hot parts to rise and cooler parts to
sink) can get very ________. This can lead to a _________.
Tornado Watch: Conditions are ___________ for a tornado to ________.
Tornado Warning: A tornado has ________.
Tornado Happenings: 1. When the updraft in a __________ cell is really
strong, the air __________ in from all sides at high _________.
Storms - Notes
2. Air _______ into a _______. This lowers the ________ even more. Air
rushes in even ______, and the pressure gets even ________, and so on.
3. As the tornado gets ___________, a funnel forms that can destroy
anything in it’s path. The ________ of the tornado can reach speeds of 500
kilometers per hour (about 300 miles per hour) or more.
Tornadoes happen where _______, ________ air masses mix with _______,
________ air masses.
T
Snowstorms
More tornadoes occur in the United States than in any other country,
especially in the area known as TORNADO ALLEY. About ______ tornadoes
every year in the United States.
Tornadoes Safety: The safest place to take a shelter in a storm _______ or
the ___________ of a well-built building.
All year round, most precipitation begins in _______ as ________.
If the air is _________ than ___ degrees all the way to the ground, the
__________ falls as ________.
Hurricanes
Snowstorm Safety: Try to find a ________ from the _________. Cover
__________ parts of your body and try to stay __________.
A ___________ storm that has winds of about ________ kilometers per
hour or higher (200 miles per hour).
Storm usually doesn’t last for more than __________ days.
As it moves __________ it continues to move across the land but it begins
to ___________.
What Does a Hurricane Need in Order to Develop?
Needs ________ water, _______ to ________, and favorable upper level
winds in the ______________.
Map symbols:
Naming System: A list of names from_____- _____ (excluding _____).
Alternate from ________ to ________. 6 lists, repeated in _________.
Big name storms ___________, like Katrina.
Hurricane Watch: A hurricane poses a possible threat within the next _____
hours.
Hurricane Warning: Hurricane conditions expected within _____ hours.
The Saffir-Simpson Scale: Scale developed to categorize the hurricane based
on wind’s speed.
Hurricane Safety: Best plan is to ___________. Towns have
___________evacuation during a _________, and some switch to
___________ during a ____________. Plan early in advance.
If you choose to ________, then board all _________, prepare __________,
avoid candles, stay tuned to _________, and stay indoors_________.
Storms - Notes