SEVERE WX : Flood Warning View Alerts

Local Weather History: Local Tornado (& Some Severe T'Storm) Climatology

Here is a deeper look into tornado climatology in the viewing area.

Posted: Aug 22, 2019 5:09 PM
Updated: Aug 22, 2019 6:29 PM

Here is some tornado & wind climatology for the viewing area below!

On a side note, here at the greatest tornado, hail & wind reports for the area dating back to the earliest reports:

Tornado:  Low-End EF5

March 20, 1866

Southern Montgomery County......Approx. 67-Mile Track & Up to 0.8-Mile Wide

Hail:  +4.50"

June 30, 1877

Lafayette

Wind:  136 mph

July 15, 1995

Grissom ARB Microburst

_________________________________________________________________________________________________________________________

The number of tornadoes in our area tends to peak May 25-June 5 in our viewing area as a whole.

However, the southwest counties tend to see the peak first & the north & northeast last.

Although the sheer number of tornadoes tends to peak in this period, the the most violent tornadoes have occurred in April to early May area-wide.

The area that seems to have the greatest number of tornado watches per year is deep in Dixie Alley.  There, Tornado Watches occur in the Late Fall, Winter to early Spring & then again with landfalling hurricanes in Summer to early Fall.  This increases the overall number of such watches there.

In our area Warren & Tippecanoe counties have averaged the greatest number of Tornado Watches, at least in the 1993-2012 period.

This deep Dixie Alley tends to have the greatest number of Tornado Warnings per year.

Central Oklahoma & Kansas see the greatest number of Severe T'Storm Watches per year in the 1993-2012 dataset.

However, note the Corn Belt/Prairie Peninsula higher frequency of Severe T'Storm Watches from Iowa to Central Illinois, Indiana & Ohio where there are a high number of MCSs, derechos in Summer & frequent squall lines in Spring & Fall.

In terms of severe t'storms, the average period to get damaging winds (1955-2014) is 5-6 p.m.

This map shows the average minutes in Severe T'Storm Warnings on average per year.

In the 1994-2013 period, Newton, Fulton, Miami counties averaged the greatest number of minutes in Severe T'Storm Warning.

Lafayette
Clear
35° wxIcon
Hi: 50° Lo: 25°
Feels Like: 29°
Kokomo
Clear
28° wxIcon
Hi: 45° Lo: 24°
Feels Like: 28°
Rensselaer
Clear
28° wxIcon
Hi: 48° Lo: 22°
Feels Like: 28°
Lafayette
Clear
35° wxIcon
Hi: 49° Lo: 24°
Feels Like: 29°
Danville
Clear
33° wxIcon
Hi: 50° Lo: 25°
Feels Like: 33°
Frankfort
Clear
30° wxIcon
Hi: 48° Lo: 23°
Feels Like: 23°
Frankfort
Partly Cloudy
30° wxIcon
Hi: 46° Lo: 23°
Feels Like: 23°
Monticello
Partly Cloudy
30° wxIcon
Hi: 48° Lo: 23°
Feels Like: 30°
Monticello
Clear
30° wxIcon
Hi: 49° Lo: 24°
Feels Like: 30°
Logansport
Clear
30° wxIcon
Hi: 46° Lo: 24°
Feels Like: 30°
Dry, mild conditions continue.
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CountyCasesDeaths
Marion910581653
Lake48637887
Allen36050641
Hamilton32231398
St. Joseph30243514
Elkhart25484420
Vanderburgh21315382
Tippecanoe20185205
Johnson16425361
Porter16053276
Hendricks15899301
Clark12032182
Madison11779321
Vigo11672231
Monroe10394164
Delaware9879179
LaPorte9821198
Howard9095199
Kosciusko8588111
Bartholomew7504147
Warrick7445153
Hancock7439134
Floyd7255172
Wayne6654192
Grant6453157
Boone611991
Morgan6118126
Dubois5933112
Dearborn550669
Cass5477100
Marshall5446105
Henry542695
Noble510978
Jackson465567
Shelby462591
Lawrence4193113
Gibson404985
Harrison402764
Clinton397053
Montgomery390584
DeKalb387178
Knox357885
Miami357863
Whitley350638
Huntington348377
Steuben339855
Wabash333076
Putnam331960
Ripley327862
Adams325149
Jasper318443
White298052
Jefferson295974
Daviess285696
Fayette272656
Decatur271388
Greene262280
Posey261432
Wells258975
Scott251450
LaGrange242170
Clay241444
Randolph225877
Spencer219330
Jennings216344
Washington213027
Sullivan203639
Fountain202542
Starke189251
Owen183453
Fulton179637
Jay178528
Carroll176919
Perry173836
Orange171351
Rush165422
Vermillion161542
Franklin159735
Tipton149241
Parke140116
Pike128433
Blackford120627
Pulaski107544
Newton96732
Brown95240
Benton92413
Crawford92113
Martin80314
Warren75914
Switzerland7558
Union67510
Ohio54111
Unassigned0434

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