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MEDC Case Study - Hurricane Katrina 2005

IB DP Geography
       
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The aim of this lesson:

  • By the end of this activity you will have a set of notes and a set of Google Earth placemarks from which to revise this MEDC case study of a hurricane.
 
Geography Starter

Starter

 
Have a look round this location in Google Street View. Where in the world is it? What is happening? Describe the surroundings.
 
 
Google Earth Placemark   26220 Chef Menteur Hwy, New Orleans Placemark [Turn on Street View layer]
 

Task One

Notes > Why do you think these people are selling their land?
 
Geography Activities
Geographical Visualisation

Activities and GIS > Geographical Visualisation

 
When did it happened?

When and Where did it happened?

Placemark
Date / Time (EDT)
Latitude (°N)
Longitude (°W)
Wind Speed (mph)
Pressure (mb)
Status
A

23/08/2005

2000 hrs

23.3
75.8
35
1007
Tropical Depression
B

24/08/2005

1100 hrs

24.7
76.7
40
1006
Tropical Storm
C

25/08/2005

1700 hrs

26.1
79.9
75
985
Category 1 Hurricane
D

26/08/2005

0100 hrs

25.4
81.1
70
990
Tropical Storm
E

26/08/2005

0900 hrs

25.2
82.0
75
987
Category 1 Hurricane
F

26/08/2005

2300 hrs

24.6
83.6
105
965
Category 2 Hurricane
G

27/08/2005

1400 hrs

24.5
85.4
115
949
Category 3 Hurricane
H

28/08/2005

0200 hrs

25.1
86.8
145
935
Category 4 Hurricane
I

28/08/2005

2000 hrs

27.2
89.1
160
904
Category 5 Hurricane
J

29/08/2005

0700 hrs

29.1
89.6
145
918
Category 4 Hurricane
K

29/08/2005

1300 hrs

30.8
89.6
105
940
Category 2 Hurricane
L

30/08/2005

1100 hrs

36.3
87.5
35
985
Tropical Depression
 

Task Two

Google Earth Placemark   Hurricane Katrina Track Placemarks A and L
 

Google Earth Placemarks > Use the table above to plot the track of Hurricane Katrina. If you download Hurricane Katrina Track Placemarks A and L - they have already been done for you. If you search for "24.7°N 76.7°W" Google Earth will take you to the location of placemark B.

Place all the placemarks in a single folder.

 

Task Three

Notes > Draw a sketch map to show the path of Hurricane Katrina
 

Task Four

Google Earth Placemarks > The following bulletin was released before Hurricane Katrina struck the Gulf Coast and New Orleans. Add placemarks for all the locations in bold. For each location you should add a description of why that location is mentioned in the bulletin.
 
BULLETIN


HURRICANE KATRINA ADVISORY NUMBER 


NATIONAL HURRICANE CENTER MIAMI FL


10 AM CDT SUN AUG 28 2005


POTENTIALLY CATASTROPHIC HURRICANE KATRINA...EVEN STRONGER...
HEADED FOR THE NORTHERN GULF COAST...


A HURRICANE WARNING IS IN EFFECT FOR THE NORTH CENTRAL GULF COAST
FROM MORGAN CITY LOUISIANA EASTWARD TO THE ALABAMA/FLORIDA
BORDER...INCLUDING THE CITY OF NEW ORLEANS AND LAKE PONTCHARTRAIN.
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. PREPARATIONS TO
PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
AT 10 AM CDT...1500Z...THE CENTER OF HURRICANE KATRINA WAS LOCATED
NEAR LATITUDE 26.0 NORTH... LONGITUDE 88.1 WEST OR ABOUT 225 MILES
SOUTH-SOUTHEAST OF THE MOUTH OF THE MISSISSIPPI RIVER.
 
KATRINA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH...AND A TURN
TOWARD THE NORTHWEST AND NORTH-NORTHWEST IS EXPECTED OVER THE NEXT
24 HOURS.
 
REPORTS FROM AN AIR FORCE HURRICANE HUNTER AIRCRAFT INDICATE THAT
THE MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 175 MPH...WITH
HIGHER GUSTS.  KATRINA IS A POTENTIALLY CATASTROPHIC CATEGORY FIVE
HURRICANE ON THE SAFFIR-SIMPSON SCALE.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 105 MILES FROM THE
CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 205 MILES.
 
THE AIR FORCE HURRICANE HUNTER PLANE RECENTLY MEASURED A MINIMUM
CENTRAL PRESSURE OF 907 MB...26.78 INCHES.

COASTAL STORM SURGE FLOODING OF 18 TO 22 FEET ABOVE NORMAL TIDE
LEVELS...LOCALLY AS HIGH AS 28 FEET ALONG WITH LARGE AND DANGEROUS
BATTERING WAVES...CAN BE EXPECTED NEAR AND TO THE EAST OF WHERE THE
CENTER MAKES LANDFALL.
 
RAINFALL TOTALS OF 5 TO 10 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF
15 INCHES...ARE POSSIBLE ALONG THE PATH OF KATRINA ACROSS THE GULF
COAST AND THE TENNESSEE VALLEY.

 
FORECASTER PASCH
 

Task Five

Google Earth Placemark   NOAA Tracking Maps for Hurricane Katrina
 

Google Earth Placemarks > Add the NOAA Tracking Maps to your folder of Hurricane Katrina placemarks.

Notes > Comment on the 'shape' and 'course' of hurricane tack predictions. Sketch and explain.

 
Why did it happen?

Why did it happen?

 

Task Six

Google Earth Placemark   Animation and Video Clips
 

Notes > Was there anything 'un-natural' about Hurricane Katrina? What made Hurricane Katrina the natural disaster it was - was it the scale of the Extreme Natural Event or was it the size of the Vulnerable Population?

 
Who was affected by it happening?

Who was affected by it happening?

 

Task Seven

 

Notes > Produce a timeline of events from the animation above.

 

Task Eight

Google Earth Placemark   Where they were found Google Earth Overlay
 

Google Earth Placemarks > Download and open in Google Earth the 'Where they were found Google Earth Overlay'. Can you identify any clusters of deaths caused by Hurricane Katrina?

Notes > Can you explain these clusters?

 

Task Nine

Google Earth Placemark   Using the 'show historical imagery' feature to see damage
 

Google Earth Placemarks > Use the 'show historical imagery' feature to look at and describe the damage caused by Hurricane Katrina. Look at the area around the placemark using the most recent imagery, look at it before 2005 and look at it around the time of Hurricane Katrina (Sept 2 2005 imagery shows the flooding).

Why are so many of the roofs blue after Hurricane Katrina?

 

Task Ten

Notes > Produce four columns of notes on the consequences of Hurricane Katrina [SEEP] - Social, Economic, Environmental and Political.

Notes > Improve your notes on the consequences [SEEP] using the following links:

Social | Economic | Environmental | Political

 

Task Eleven

Google Earth Placemarks > Ensure all your placemarks are in a single folder and in a logical order and then saved somewhere sensible!
 
Geography Review

Review

 
Geography Activities

What happened?

 

Task Twelve

Notes > Produce a one paragraph summary about Hurricane Katrina - a MEDC hurricane case study.

 

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