Using the Saffir-Simpson Scale above, categorize & color each day of Hurricane Katrina below, then answer
the questions below. Source: http://coast.noaa.gov/hurricanes/#/app=c64c&88cd-selectedIndex=0
Date (GMT)
Aug. 23, 2005 18z
Aug. 24, 2005 18z
Aug. 25, 2005 18z
Aug. 26, 2005 18z
Aug. 27, 2005 18z
Aug. 28, 2005 18z
Aug. 29, 2005 18z
Aug. 30, 2005 18z
Hurricane Katrina
Pressure (mb)
1008
1003
988
968
948
902
948
990
Wind (kts)
30
40
60
85
100
150
80
30
Category & Color
1. When was Katrina classified as a Hurricane?
in late august 2005
2. When did Hurricane Katrina reach the fastest wind speeds? Lowest air pressure?
When did the biggest change in wind speed occur? What do you think caused that to happen?