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NAME:
DATE:
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EARTH
SCIENCE
HURRICANE
STRIKE!
Created by Dawn Sherwood
Highland Springs H.S., Henrico, VA
Go to
http://meted.ucar.edu/hurrican/strike/orig/htcmenu.htm
Click on neighborhoods and read each link.
Tropics
What is a tropical cyclone and what direction do they spin
in each hemisphere?
Names and places
What do you call a tropical cyclone (3 different names) and
where are they each located?
Evil Wind
What is the origin of the word Hurricane?
Click on Seasons and read each link
Hurricane Season
In the Atlantic Basic, what are the dates of hurricane
season?
Typhoon and Cyclone Season
Which area has the most tropical cyclones?
Click on Lifecycles
Birth
Nearly all tropical storms/hurricanes begin as
_____________ ___________. Sometimes, they grown into __________ __________,
that blows across the Atlantic from Africa.
What 5 ingredients are needed for a tropical disturbance to
become a tropical cyclone and then a tropical storm/hurricane?
1.
2.
3.
4.
5.
Growth
Complete the table below
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Winds |
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Storm Levels |
Miles per Hour (mph) |
Kilometers per Hour (kph) |
Knots (kts) |
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Tropical Depression |
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Tropical Storm |
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Hurricane |
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Evil Eye
What is the eye of a hurricane?
Rotation
Which way does a tropical cyclone rotate in the northern
hemisphere?
Which way does a tropical cyclone rotate in the southern
hemisphere?
Demise
What are the three things that can cause a hurricane to
die?
Click on Categories
Beaufort Scale
What is the Beaufort Scale?
What are the signs of #8 Fresh Gale?
Saffir-Simpson Scale
What is the Saffir-Sampson Scale?
Complete the following chart
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Saffir-Simpson Hurricane Category |
Winds Speeds |
Lowest Air Pressure (millibars) |
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Miles per Hour |
Kilometers per Hour |
Knots |
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1 |
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2 |
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3 |
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4 |
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5 |
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How much more damage does a Category 5 cause than a
Category 1?
a) 5 times b) 10 times c)50 times d)
500 times
How much damage does each category of hurricane produce?
Category 1 –
Category 2 -
Category 3 -
Category 4 –
Category 5 –
Click on Journeys
What are the three main factors that move a tropical
cyclone?
Wind Belts
What are the 2 sets of winds belts and where are they
located?
Highs and Lows
Circulation around a High Pressure System is:
Circulation around a Low Pressure System is:
Hurricane A will probably go toward
Hurricane B will probably go toward
Paths of Destruction
Tropical cyclones usually start out moving toward the
Tropical cyclones that cross the Tropic of Cancer usually
move toward the
Tropical cyclones never cross the
http://meted.ucar.edu/hurrican/strike/orig/canelab.htm
In order to form a hurricane, you need:
What is the direction and strength of your winds
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Upper level: |
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Mid level: |
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Low level: |
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What is the moisture in the atmospheric layers
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Upper levels |
upper levels can be dry or moist |
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Mid levels |
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Low levels |
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What is the most favorable range of latitude for Atlantic
Hurricane formation?
What is the minimum sea temperature °C for the growth of a
hurricane?
True/False To form, hurricanes need a lot of wind sheer
and very little moisture.
http://meted.ucar.edu/hurrican/strike/orig/anatomy.htm
Read each part of a hurricane and complete
Inside the Storm
Inflow
- Air rising, forming thrunderstorm
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- Winds spiral in eyewall
Rainbands
Typically __________________ miles wide
and up to _______ miles long.
Eyewall
- Eye: light winds, partly cloudy or clear sky, average
diameter 20-50 km.
- Eyewall:
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4.
Outflow
- Air flow flowing out from center of storm
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- Cirrostratus clouds capping storm
http://meted.ucar.edu/hurrican/strike/orig/movncane.htm
Click and drag the blue low (L) onto a low target over
the US, the red high (H) onto a high target over the Atlantic Ocean, and a
hurricane onto either starting location target over the Atlantic.
In order for hurricane to strike NC/VA area, where can the
L, H, and hurricane be?
L:
H:
Hurricane: upper position lower
position
In order for hurricane to strike between New Orleans and
Pensacola, where can the L, H, and hurricane be?
L:
H:
Hurricane: upper position lower
position
In order for hurricane to strike New Orleans area, where
can the L, H, and hurricane be?
L:
H:
Hurricane: upper position lower
position
In order for hurricane to strike Houston area, where can
the L, H, and hurricane be?
L:
H:
Hurricane: upper position lower
position
What do you notice that high and low pressure systems do to
guide a hurricane?
http://meted.ucar.edu/hurrican/strike/orig/stotrk_1.htm
What is a track chart?
What do the various colors represent?
What are watches and warning for Tropical Storms and
Hurricanes?
On a tracking chart,
please track Hurricane Erin Sunday, July 30 through Friday, August 4th.
Use the colors indicated in the map for each day.
http://meted.ucar.edu/hurrican/strike/orig/stotrk_2.htm
In visible light imagery, clouds are ___________________,
and land/water are _____/__________.
It “sees” sunlight reflected from Earth and clouds, so it
can only be used during the ___________.
What is Infrared Satellite Imagery?
When can IR Satellite Imagery be used?
How is IR Satellite Imagery used?
What are written advisories?
Continue tracking the hurricane on the chart
http://meted.ucar.edu/hurrican/strike/orig/stotrk_3.htm
Continue tracking the hurricane on the chart
http://meted.ucar.edu/hurrican/strike/orig/stotrk_4.htm
What is Radar Imagery?
What do the different colors represent?
Continue tracking the hurricane on the chart
Look at the radar
http://meted.ucar.edu/hurrican/strike/orig/stotrk_5.htm
Continue tracking the hurricane on the chart
Look at the radar
http://meted.ucar.edu/hurrican/strike/orig/stotrk_6.htm
Continue tracking the hurricane on the chart
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