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Tornado Alley Maps for June

Posted by feww on June 1, 2011

Probability of Tornadoes in June

The Maximum Threat: June Tornado Alley Maps Based on 15-Year Data


This map shows the time for maximum probability of tornadoes for the month of June.


This map shows the time for maximum probability of SIGNIFICANT tornadoes (F2 to F5 or EF-2 to EF-5) for the month of June.


This map shows the time for maximum probability of VIOLENT tornadoes (F4 and F5 or EF-4  and EF-5) for the month of June.

Other Maps

  1. Tornado
  2. F2 or greater (significant) tornadoes
  3. Wind
  4. Hail

Tornado Probabilities [Monthly]

Any Tornado

Signif. Tornado (F2-F5)

Violent Tornado (F4-F5)

Java animation Java animation Java animation

Monthly frames

Monthly frames

Monthly frames

January January January
February February February
March March March
April April April
May May May
June June June
July July July
August August August
September September September
October October October
November November November
December December Dece

The probability of having one or more days with a tornado within 25 miles of a point sometime during a month. The base data for all tornadoes are the reports from 1980-1994 and for significant and violent tornadoes are the reports from 1921-1995. The values are probabilities in percent. Source: Severe Thunderstorms Climatology

F5 and EF5 Tornadoes of the United States

[1950 – present Source: Storm Prediction Center]


Click image to enlarge.
Click here for details.

The Enhanced Fujita Tornado Scale – Quick Chart

EF0: 65 TO 85 MPH
EF1: 86 TO 110 MPH
EF2: 111 TO 135 MPH
EF3: 136 TO 165 MPH
EF4: 166 TO 200 MPH
EF5: Wind speeds greater than 200 MPH

Related Links

2011 Disasters

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