IHCC Hurricane Forecasting & Hurricane Erosion Geology Worksheet Hurricane Forecasting – Complete the table below. Using the wind speed, determine the hur

IHCC Hurricane Forecasting & Hurricane Erosion Geology Worksheet Hurricane Forecasting

– Complete the table below. Using the wind speed, determine the hurricane category.

– Plot the location (latitude and longitude) of the eye of Hurricane Jean (a theoretical hurricane) from July 12-14, 1998.

– If the radius, or distance from the eye of the storm to the edge of hurricane force winds is 161 km (100 miles which equates to 87 nautical miles or 1.3 degrees of latitude).

– Date and time would you have issued a hurricane watch for the Miami region.

– Compare your hurricane watch and warning predictions.

– Hurricane Jean did not make landfall at your predicted location.

– Make a sketch showing the profile (cross-section which is a side view, not an aerial view) of a beach before and after a hurricane/storm. Hurricanes Activity
Activity I: Hurricane Forecasting
1. Complete the table below. Using the wind speed, determine the hurricane category.
2. Plot the location (latitude and longitude) of the eye of Hurricane Jean (a theoretical hurricane) from
July 12-14, 1998 using the information in the following table. Also, write the date and time next to your
location dots on the map.
Date
7/12
7/12
7/13
7/13
7/14
7/14
7/14
7/14
Time
8:00 am
8:00 pm
8:00 am
8:00 pm
8:00 am
12:00 pm
4:00 pm
8:00 pm
Latitude (°N)
21.3
22.1
23.0
24.2
25.0
25.2
25.8
26.1
Longitude (°W)
67.5
69.3
71.5
73.8
75.8
76.4
77.3
78.2
Wind speed (km/h)
150
166
192
208
217
225
217
208
Category (#)
3. If the radius, or distance from the eye of the storm to the edge of hurricane force winds is 161 km
(100 miles which equates to 87 nautical miles or 1.3 degrees of latitude), predict the location and
estimated time and date of United States landfall for Hurricane Jean.
4. At what date and time would you have issued a hurricane watch for the Miami region, based on your
#3 answer?
5. At what date and time would you have issued a hurricane warning for the Miami region, based on
your #3 answer?
6. Complete the table below. Using the wind speed, determine the hurricane category.
7. Now in a different color, plot the location of the eye of Hurricane Jean from July 15-16, 1998 on the
map on the first page with the data below. Include the date and time next to your location dots.
Date
7/15
7/15
7/15
7/16
7/16
7/16
Time
12:00 am
8:00 am
8:00 pm
12:00 am
8:00 am
10:15 am
Latitude (°N)
26.2
27.9
29.8
30.7
31.6
32.0
Longitude (°W)
78.6
79.1
80.0
80.3
80.5
81.0
Wind speed (km/h)
200
192
183
200
183
183
Category (#)
8. Compare your hurricane watch and warning predictions to the ultimate landfall. How was your
prediction different than the actual landfall location and date/time?
9. If Hurricane Jean did not make landfall at your predicted location, why not? (What are possibilities of
atmospheric or oceanographic factors that might have affected the storm’s path?)
Activity II: Hurricane Erosion
10. Make a sketch showing the profile (cross-section which is a side view, not an aerial view) of a beach
before and after a hurricane/storm. You can either draw one cross-section and use different colors for
before/after the storm OR you can draw two separate diagrams showing before and after the storm.
Please label your diagrams.
11. The following table shows the beach elevation above/below sea level from Hurricane Jean versus the
distance from a benchmark on the shore. First plot the pre-storm beach data from the following table
onto the profile below the table. Connect the dots. Then, in a different color, plot the post-storm beach
data on the profile below the table. Connect the dots. Label the pre-storm beach and the post-storm
beach. Add a wavy water line (waves) at an elevation of 0 ft. which can help for visualization.
Pre-storm beach
Elevation relative to
Distance from onshore
sea level (negative
benchmark in feet
numbers mean below
sea level) in feet
5.0
0
4.6
15
4.1
35
4.4
50
4.9
75
3.2
90
2.2
100
0.5
125
0.0
135
-1.9
150
-3.4
175
-3.6
200
Post-storm beach
Elevation relative to
Distance from onshore
sea level (negative
benchmark in feet
numbers mean below
sea level) in feet
4.8
0
5.0
15
2.5
25
1.5
40
0.7
50
0.3
75
0.0
80
-1.0
100
-1.9
125
-1.2
150
-1.5
175
-2.0
200
5.0
4.0
Elevation relative to sea level (feet)
3.0
2.0
1.0
0
-1.0
-2.0
-3.0
-4.0
0
10 20
30
40
50
60 70 80 90 100 110 120 130 140 150 160 170 180 190 200
Distance from onshore benchmark (feet)
12. What effect did Hurricane Jean have on the position of the shoreline and the profile of the beach?
Where was the sand eroded from and to where did it move? (Pretend you’re explaining the profile to
someone who cannot see it).

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