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Thunderstorm Occurrence

North AmericaPhysical Environment

Thunderstorm occurrence in North America

NOAA

Thunderstorms per year in North America: The highest occurrence region (light brown), includes Texas, Oklahoma, and Kansas. Western U.S.(California, Nevada), and northern Canada (Yukon, Northwest Territories), have the lowest occurrences (black).

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Thunderstorm Occurrence

Doppler Radar Sites (U.S.)

100 and above

81–100

71–80

61–70

51–60

41–50

31–40

21–30

11–20

6–10

2–5

1 and below

ABERDEEN

ALBANY

ALBUQUERQUE

ALTUS AFB

AMARILLO

ANDREWS AFB

ATLANTA

AUSTIN SAN ANTONIO

BALTIMORE WASHINGTON

BEALE AFB

BETHEL FAA

BILLINGS

BINGHAMTON

BIRMINGHAM

BISMARCK

BOISE

BOSTON

BROWNSVILLE

BUFFALO

BURLINGTON

CANNON AFB

CEDAR CITY

CHARLESTON

CHARLOTTE

CHEYENNE

CHICAGO MIDWAY

CHICAGO OHARE

CHICAGO

CINCINNATI

CLEVELAND

COLUMBIA

COLUMBUS AFB

COLUMBUS

CORPUS CHRISTI

COVINGTON

DALLAS FT WORTH

DALLAS LOVE FIELD

DALLAS

DAVENPORT

DAYTON

DENVER FRONT RANGE AP

DENVER

DES MOINES

DETROIT

DODGE CITY

DOVER AFB

DULUTH

DYESS AFB

EDWARDS

EGLIN AFB

EL PASO

ELKO

EUREKA

EVANSVILLE

FAIRBANKS

FLAGSTAFF

FORT CAMPBELL

FORT DRUM

FORT HOOD

FORT POLK

FORT RUCKER

FORT SMITH

FORT WAYNE

FT LAUDERDALE

GAYLORD

GLASGOW

GOODLAND

GRAND FORKS

GRAND JUNCTION

GRAND RAPIDS

GREAT FALLS

GREEN BAY

GREER

HASTINGS

HOLLOMAN AFB

HOULTON

HOUSTON HOBBY

HOUSTON INTERNATIONAL

HOUSTON

HUNTSVILLE

INDIANAPOLIS

JACKSON BRANDON

JACKSON

JACKSONVILLE

KAMUELA

KANSAS CITY

KING SALMON

KNOXVILLE

LA CROSSE

LAKE CHARLES

LANGLEY HILL NW WASHINGTON

LAS VEGAS

LAUGHLIN AFB

LINCOLN

LITTLE ROCK

LOS ANGELES

LOUISVILLE

LUBBOCK

MARQUETTE

MAXWELL AFB

MEDFORD

MELBOURNE

MEMPHIS

MIAMI

MIDLAND ODESSA

MILWAUKEE

MINNEAPOLIS

MINOT AFB

MISSOULA

MOBILE

MOLOKAI

MOODY AFB

MOREHEAD CITY

NASHVILLE

NEW ORLEANS

NEW YORK CITY

NEWARK

NOME

NORFOLK RICH

NORMAN NSSL

NORMAN WFO

NORTH PLATTE

OKLAHOMA CITY

OMAHA

ORLANDO INTERNATIONAL

PADUCAH

PENDLETON

PHILADELPHIA

PHOENIX

PITTSBURGH

POCATELLO

PORTLAND

PUEBLO

RALEIGH DURHAM

RALEIGH

RAPID CITY

RENO

RIVERTON

ROANOKE

ROBINS AFB

ROC FAA REDUNDANT RDA 1

SACRAMENTO

SALT LAKE CITY

SAN ANGELO

SAN DIEGO

SAN FRANCISCO

SAN JOAQUIN VALLEY

SANTA ANA MOUNTAINS

SEATTLE

SHREVEPORT

SIOUX FALLS

SOUTH SHORE

SPOKANE

SPRINGFIELD

ST LOUIS

STATE COLLEGE

STERLING

TALLAHASSEE

TAMPA

TOPEKA

TUCSON

TULSA

VANCE AFB

VANDENBERG AFB

WASHINGTON DULLES

WASHINGTON NATIONAL

WEST PALM BEACH

WICHITA

WILMINGTON

YUMA

Yukon
7.00%59.8%26.1%7.10%
Northwest Territories
5.77%26.0%42.2%3.09%
District of Columbia
100%
New Hampshire
94.4%5.56%
Rhode Island
3.91%
Nunavut
1.70%21.4%1.54%
Nova Scotia
19.0%8.02%
Prince Edward Island
98.5%
Saskatchewan
18.8%50.7%20.5%
New Brunswick
31.5%64.2%2.38%
British Columbia
1.59%35.7%19.7%2.10%
Newfoundland and Labrador
2.13%3.18%1.22%
Alberta
2.96%41.2%52.3%
Connecticut
99.9%
Québec
9.73%2.25%18.5%22.7%14.4%
Manitoba
3.86%21.7%27.1%47.3%
Ontario
2.04%56.2%35.4%2.08%
Alaska
7.66%55.2%19.9%1111
Arizona
8.64%10.8%6.36%10.3%8.92%4.76%1211
Utah
6.90%15.9%5.97%12
Florida
9.02%56.6%20.8%3.46%111121111
Idaho
5.95%12.1%9.81%31.7%11
Vermont
100%1
Washington
1.35%57.1%1.44%111
Wyoming
5.38%5.86%13.2%11
Montana
1.73%42.7%23.7%7.99%1111
Maine
79.8%14.7%5.13%11
North Dakota
95.7%4.33%111
Kentucky
41.2%58.8%11121
Virginia
5.25%53.9%38.5%2.22%1111
Delaware
99.2%1
Mississippi
13.6%19.8%65.6%111
West Virginia
97.0%3.04%1
Nebraska
38.0%62.0%111
Texas
1.43%21.8%34.0%42.5%1111111111111111
Missouri
100%212
Louisiana
2.08%60.9%36.6%1121
Hawaii
111
North Carolina
16.4%81.1%2.09%11111
Oregon
7.84%63.3%28.9%111
Alabama
14.4%11.5%12.9%58.4%11111
New Mexico
3.65%6.22%12.8%2.01%14.3%1111
Kansas
100%1112
Wisconsin
19.7%79.8%112
New Jersey
28.5%71.2%12
South Carolina
1.10%75.7%23.2%111
Michigan
4.25%65.7%11.8%2111
Pennsylvania
14.0%81.5%4.50%21
Colorado
13.8%53.9%10.3%3.14%1111
Nevada
13.2%33.3%53.5%121
Massachusetts
91.5%6.67%2
Georgia
2.02%11.8%34.0%52.1%211
New York
42.9%2.90%11111
Maryland
11.3%16.7%71.1%111
Oklahoma
94.0%6.04%1111121
Tennessee
95.3%4.67%112
California
46.0%7.90%27.9%1111111111
Arkansas
100%11
South Dakota
61.9%38.1%111
Ohio
77.5%20.4%1211
Indiana
1.92%97.6%112
Minnesota
22.5%75.0%2.49%12
Iowa
30.7%69.3%11
Illinois
38.2%58.7%3.07%1111
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