50 years of fury hurricanes of the north atlantic
Post on 17-Oct-2014
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Scientists say hurricanes are getting more severe because of global warming. What do you think? Here's 50 years of hurricane data to ponder.TRANSCRIPT
© Bruce Gabrielle, 2011 www.speakingppt.com 2
The Atlantic Ocean produces
several hurricanes per year
© Bruce Gabrielle, 2011 www.speakingppt.com 3
They typically come from the south, battering the Southeastern United States, Mexico and the Caribbean
© Bruce Gabrielle, 2011 www.speakingppt.com 4
2005 was the
worst hurricane seasonon record
© Bruce Gabrielle, 2011 www.speakingppt.com 5
Hurricane Katrina 1,836 dead $108 billion damages
© Bruce Gabrielle, 2011 www.speakingppt.com 6
Hurricane Wilma62 dead $29 billion damages
© Bruce Gabrielle, 2011 www.speakingppt.com 7
Hurricane Rita120 dead $11 billion damages
© Bruce Gabrielle, 2011 www.speakingppt.com 8
Hurricane Emily17 dead $1 billion damages
© Bruce Gabrielle, 2011 www.speakingppt.com 9
Hurricane Dennis89 dead $4.5 billion damages
© Bruce Gabrielle, 2011 www.speakingppt.com 10
Some scientists believehurricanes are becoming more severe
© Bruce Gabrielle, 2011 www.speakingppt.com 11
Because of global warming
© Bruce Gabrielle, 2011 www.speakingppt.com 12
Let’s look at the data
© Bruce Gabrielle, 2011 www.speakingppt.com 13
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
74 mph
In order for a storm to qualify as a hurricane, it must have 74 mph winds
© Bruce Gabrielle, 2011 www.speakingppt.com 14
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
74 mph
How fast is that?
© Bruce Gabrielle, 2011 www.speakingppt.com 15
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
30 mph Hard to use an umbrella30
© Bruce Gabrielle, 2011 www.speakingppt.com 16
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
40 mph Difficult to walk against the wind
40
© Bruce Gabrielle, 2011 www.speakingppt.com 17
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
50 mph Shingles blown off roofs
50
© Bruce Gabrielle, 2011 www.speakingppt.com 18
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
60 mph Trees uprooted60
© Bruce Gabrielle, 2011 www.speakingppt.com 19
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
74 mph Widespread damage
74
© Bruce Gabrielle, 2011 www.speakingppt.com 20
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
There are different Categories of hurricanes, based on wind speed
© Bruce Gabrielle, 2011 www.speakingppt.com 21
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
74-95 mph Category 1
96-110 mph Category 2
111-130 mph Category 3
131-155 mph Category 4
156 mph or higher Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 22
It’s hard to imagine
what 180 mph windsfeels like
© Bruce Gabrielle, 2011 www.speakingppt.com 23
But try this
© Bruce Gabrielle, 2011 www.speakingppt.com 24
Drive down the highway at 60 mphAnd stick your head out the window
© Bruce Gabrielle, 2011 www.speakingppt.com 25
Now triple that
© Bruce Gabrielle, 2011 www.speakingppt.com 26
Let’s look at the
wind speeds of some of those disastrous
2005 hurricanes
© Bruce Gabrielle, 2011 www.speakingppt.com 27
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
Hurricane Katrina
175 mph max speed
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Wind speeds measured every 6 hours
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 28
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
Hurricane Wilma
185 mph max speed
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Wind speeds measured every 6 hours
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 29
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
Hurricane Rita
180 mph max
speed
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Wind speeds measured every 6 hours
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 30
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
Hurricane Emily
160 mph max
speed
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Wind speeds measured every 6 hours
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 31
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
Hurricane Dennis
150 mph max
speed
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 32
2005 was a record year for Atlantic hurricanes
© Bruce Gabrielle, 2011 www.speakingppt.com 33
You decide…
…are Atlantic hurricanes getting
more severe?
© Bruce Gabrielle, 2011 www.speakingppt.com 34
Let’s look at the wind speeds
of 50 years of the worst Atlantic hurricanes
© Bruce Gabrielle, 2011 www.speakingppt.com 35
-
20
40
60
80
100
120
140
160
180
200 CINDY FLORA GRACIE
Mile
s per
hour
1959
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 36
-
20
40
60
80
100
120
140
160
180
200 CLEO DONNA ETHEL
Mile
s per
hour
1960
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 37
-
20
40
60
80
100
120
140
160
180
200 BETSY CARLA ESTHER FRANCES HATTIE
Mile
s per
hour
1961
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Hurricane Esther lasted 17 days
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 38
-
20
40
60
80
100
120
140
160
180
200 ELLA
Mile
s per
hour
1962
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 39
-
20
40
60
80
100
120
140
160
180
200 BEULAH CINDY EDITH FLORA
Mile
s per
hour
1963
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 40
-
20
40
60
80
100
120
140
160
180
200 CLEO ETHEL GLADYS HILDA
Mile
s per
hour
1964
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Hurricane Cleo lasted 17 days
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 41
-
20
40
60
80
100
120
140
160
180
200 BETSY CAROL
Mile
s per
hour
1965
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 42
-
20
40
60
80
100
120
140
160
180
200 ELLA GRETA INEZ
Mile
s per
hour
1966
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 1 14 15 16 17 18 19 20
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 43
-
20
40
60
80
100
120
140
160
180
200 BEULAH EDITH
Mile
s per
hour
1967
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 44
-
20
40
60
80
100
120
140
160
180
200 FRANCES GLADYS
Mile
s per
hour
1968
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 45
-
20
40
60
80
100
120
140
160
180
200 CAMILLE
Mile
s per
hour
1969
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 46
-
20
40
60
80
100
120
140
160
180
200 ELLA GRETA
Mile
s per
hour
1970
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 47
-
20
40
60
80
100
120
140
160
180
200 EDITH
Mile
s per
hour
1971
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 48
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
1972
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
No Category 1 or higher hurricanes in Atlantic in 1972
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 49
-
20
40
60
80
100
120
140
160
180
200 EMILY
Mile
s per
hour
1973
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 50
-
20
40
60
80
100
120
140
160
180
200 CARMEN
Mile
s per
hour
1974
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 51
-
20
40
60
80
100
120
140
160
180
200 GLADYS
Mile
s per
hour
1975
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 52
-
20
40
60
80
100
120
140
160
180
200 FRANCES GLORIA
Mile
s per
hour
1976
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 53
-
20
40
60
80
100
120
140
160
180
200 ANITA
Mile
s per
hour
1977
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 54
-
20
40
60
80
100
120
140
160
180
200 ELLA GRETA
Mile
s per
hour
1978
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 55
-
20
40
60
80
100
120
140
160
180
200 DAVID GLORIA
Mile
s per
hour
1979
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 56
-
20
40
60
80
100
120
140
160
180
200 ALLEN FRANCES IVAN
Mile
s per
hour
1980
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Hurricane Frances lasted 15 days
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 57
-
20
40
60
80
100
120
140
160
180
200 FLOYD GERT
Mile
s per
hour
1981
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 58
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
1982
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
No Category 1 or higher hurricanes in Atlantic in 1982
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 59
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
1983
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
No Category 1 or higher hurricanes in Atlantic in 1983
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 60
-
20
40
60
80
100
120
140
160
180
200 EDOUARD GUSTAV HORTENSE LILI
Mile
s per
hour
1984
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 61
-
20
40
60
80
100
120
140
160
180
200 FABIAN ISABEL
Mile
s per
hour
1985
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 62
-
20
40
60
80
100
120
140
160
180
200 ANDREW CHARLEY FRANCES
Mile
s per
hour
1986
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Hurricane Charley lasted 17 days
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 63
-
20
40
60
80
100
120
140
160
180
200 BRET CINDY DENNIS FLOYD
Mile
s per
hour
1987
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 64
-
20
40
60
80
100
120
140
160
180
200 ISAAC KEITH
Mile
s per
hour
1988
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 65
-
20
40
60
80
100
120
140
160
180
200 DEAN FELIX GABRIELLE HUGO IRIS
Mile
s per
hour
1989
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Hurricanes Felix and Hugo lasted 16 daysCategory 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 66
-
20
40
60
80
100
120
140
160
180
200 EDOUARD HILDA HORTENSE LILI
Mile
s per
hour
1990
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 67
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
1991
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
No Category 1 or higher hurricanes in Atlantic in 1991
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 68
-
20
40
60
80
100
120
140
160
180
200 ANDREW
Mile
s per
hour
1992
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 69
-
20
40
60
80
100
120
140
160
180
200 BRET CINDY DENNIS FLOYD GERT
Mile
s per
hour
1993
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 70
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
1994
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
No Category 1 or higher hurricanes in Atlantic in 1994
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 71
-
20
40
60
80
100
120
140
160
180
200 FELIX IRIS LUIS
Mile
s per
hour
1995
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
Hurricanes Luis, Iris and Felix lasted 18 days
© Bruce Gabrielle, 2011 www.speakingppt.com 72
-
20
40
60
80
100
120
140
160
180
200 EDOUARD HORTENSE LILI
Mile
s per
hour
1996
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
Hurricane Edouard lasted 18 days
© Bruce Gabrielle, 2011 www.speakingppt.com 73
-
20
40
60
80
100
120
140
160
180
200
Mile
s per
hour
1997
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
No Category 1 or higher hurricanes in Atlantic in 1997
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 74
-
20
40
60
80
100
120
140
160
180
200 GEORGES KARL KATRINA MITCH
Mile
s per
hour
1998
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Hurricane Katrina (1998) lasted 22 days
Category 1
Category 2
Category 3
Category 4
Category 5
© Bruce Gabrielle, 2011 www.speakingppt.com 75
-
20
40
60
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200 BRET CINDY DENNIS FLOYD GERT LENNY
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1999
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
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200 ISAAC KEITH
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2000
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
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200 FELIX IRIS MICHELLE
Mile
s per
hour
2001
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
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200 EDOUARD GUSTAV LILI
Mile
s per
hour
2002
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
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200 FABIAN ISABEL
Mile
s per
hour
2003
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
Category 3
Category 4
Category 5
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200 CHARLEY FRANCES IVAN KARL
Mile
s per
hour
2004
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Hurricane Ivanlasted 22 days
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200 DENNIS EMILY KATRINA RITA WILMA
Mile
s per
hour
2005
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
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200 HELENE ISAAC
Mile
s per
hour
2006
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
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Category 4
Category 5
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200 DEAN FELIX
Mile
s per
hour
2007
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
Category 2
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Category 4
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200 GUSTAV IKE PALOMA
Mile
s per
hour
2008
Wind speeds measured every 6 hours
Day 1 2 3 4 5 6 7 8 9 10 11 12 13
Source: NOAA Satellite and Information Services http://www.ncdc.noaa.gov/oa/ibtracs/index.php a
Category 1
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What do you think?
© Bruce Gabrielle, 2011 www.speakingppt.com 86
Photo CreditsSlide © URL
Title Potapych http://commons.wikimedia.org/wiki/File:Hurricane_Katrina_August_28_2005_NASA.jpg
3 Chillmannhttp://commons.wikimedia.org/wiki/File:Hurricane_Katrina_hits_New_Orleans.jpeg
5/19 Spellcast http://commons.wikimedia.org/wiki/File:Hurricane_Katrina_-_Mississippi.jpg
6 Averette http://en.wikipedia.org/wiki/File:Flood102405.JPG
7 Halgin http://en.wikipedia.org/wiki/File:Flooding_in_Galveston_from_Hurricane_Rita.jpg
9 Ramisses http://en.wikipedia.org/wiki/File:SweetwaterCreekFlood2005.jpg
15 Sqaccohttp://www.flickr.com/photos/squeakywheel/2380227723/in/set-72157603887545173/
16 Nigel Harris http://www.flickr.com/photos/50814884@N02/5357528509/
18 Kicki http://www.flickr.com/photos/15133799@N02/2965369596/
19 Albert Mock http://www.flickr.com/photos/kafkan/457826463/in/photostream
24/25 Raymond Larose http://www.flickr.com/photos/lenscrack/2642248493/sizes/l/in/photostream/
85 Tidewater Muse http://www.flickr.com/photos/tidewatermuse/38899253/in/photostream/
87Djordje Zlatanovic
© Bruce Gabrielle, 2011 www.speakingppt.com 87
Bruce GabrielleAuthor, Speaking PowerPoint
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