global warming & hurricanes: cause and effect?

13

Upload: inga

Post on 22-Jan-2016

51 views

Category:

Documents


0 download

DESCRIPTION

Global Warming & Hurricanes: Cause and Effect?. Brought to you by:. Team Terminator. Bradley Laird Rosie Sweetman Guru Rattan Khalsa Courtney Alt Naima Muntal Carina Zevely. Outline. What is a Hurricane? 2. What is Global Warming? - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: Global Warming & Hurricanes: Cause and Effect?
Page 2: Global Warming & Hurricanes: Cause and Effect?

Bradley Laird

Rosie Sweetman

Guru Rattan Khalsa

Courtney Alt

Naima Muntal

Carina Zevely

Team Terminator

Page 3: Global Warming & Hurricanes: Cause and Effect?

1. What is a Hurricane?

2. What is Global Warming?

3. Does global warming effect hurricane intensity and occurrence level?

4.Conclusion/Discussion Satellite picture of the eye of hurricane Ivan

Page 4: Global Warming & Hurricanes: Cause and Effect?

Required Conditions:

•high humidity

•Warm surface water temperature

(typically 80°F)

•Light Winds

•Tropical waters (8°-20° latitude)

Page 5: Global Warming & Hurricanes: Cause and Effect?
Page 6: Global Warming & Hurricanes: Cause and Effect?

Temperature Data

Page 7: Global Warming & Hurricanes: Cause and Effect?

Hurricane Category Occurrences per Decade AveragesChart created by Terminator Team 02-02-06

0

2

4

6

8

10

12

1850

1860

1870

1880

1890

1900

1910

1920

1930

1940

1950

1960

1970

1980

1990

2000

Decades

Oc

urr

en

ce

s Category 1

Category 2

Category 3

Category 4

Category 5

Page 8: Global Warming & Hurricanes: Cause and Effect?

Ten year averages of low pressure in mbGraph created by Terminator Team 02-02-06

950

955

960

965

970

975

Decades

Pre

ssur

e in

mb

Page 9: Global Warming & Hurricanes: Cause and Effect?

Max Wind Data

Max Winds per Decade

80828486889092949698

100

1845 1865 1885 1905 1925 1945 1965 1985 2005

Win

d i

n K

no

ts

Page 10: Global Warming & Hurricanes: Cause and Effect?

Hurricanes per decadeChart created by Terminator team 02-02-06

0

5

10

15

20

25

30

Decades

Occ

urr

ence

s

Page 11: Global Warming & Hurricanes: Cause and Effect?

Is there a correlation?

Hurricane Category Occurrences per Decade AveragesChart created by Terminator Team 02-02-06

0

2

4

6

8

10

12

1850

1860

1870

1880

1890

1900

1910

1920

1930

1940

1950

1960

1970

1980

1990

2000

Decades

Oc

urr

en

ce

s Category 1

Category 2

Category 3

Category 4

Category 5

Page 12: Global Warming & Hurricanes: Cause and Effect?

Pressure Variance Vs. Global Average Temperature Variance

02468

101214161820

Year

Varia

nce

norm

aliz

ed fo

r the

da

ta pressure variance

Temp variance

There Could Be…

P value= .01<P<.005 (confidence btwn 99-99.5%)

Page 13: Global Warming & Hurricanes: Cause and Effect?

References

• Charts created by the Terminator Team• http://www.aoml.noaa.gov/hrd/hurdat/ushurrlist.htm• http://www.aoml.noaa.gov/hrd/hurdat• ftp://ftp.ncdc.noaa.gov/pub/data/annual_land.and.ocean.ts