September 6, 3:30 PM Short-Term Forecast Update

In a warm, tropical environment today there is a frontal boundary & the remnants of Gordon. Both are popping some showers/storms. Some factors may lead to an isolated funnel or two this afternoon-evening.

Posted: Sep 6, 2018 3:27 PM
Updated: Sep 6, 2018 3:54 PM

Flash Flood Watch is now up for the area mainly south of U.S. 24.

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY EVENING...

The National Weather Service in Indianapolis has issued a

* Flash Flood Watch for portions of central Indiana, east
central Indiana, north central Indiana, south central Indiana,
southeast Indiana, southwest Indiana, and west central
Indiana, including the following areas, in central Indiana,
Bartholomew, Boone, Clinton, Decatur, Hamilton, Hancock,
Hendricks, Howard, Johnson, Madison, Marion, Morgan, Rush,
Shelby, and Tipton. In east central Indiana, Delaware, Henry,
and Randolph. In north central Indiana, Carroll. In south
central Indiana, Brown, Jackson, Lawrence, and Monroe. In
southeast Indiana, Jennings. In southwest Indiana, Daviess,
Greene, Knox, Martin, and Sullivan. In west central Indiana,
Clay, Fountain, Montgomery, Owen, Parke, Putnam, Tippecanoe,
Vermillion, Vigo, and Warren.

* From Saturday morning through Sunday evening

* Showers are likely on Friday, with widespread showers expected
Saturday into Sunday. The rain could be heavy at times,
especially Saturday into Sunday. The rain on Friday will help
saturate the ground, so that the weekend rain could lead to
flash flooding.

* There remains some uncertainty on exactly where the heaviest
rain will fall. Stay tuned for later updates on this developing
situation.

_____________________________________________________________________________________________________________

Surface & low-level flow is from the northeast, while storms along frontal boundary are moving from southwest to northeast.  Above that, flow courtesy of Gordon is from the southeast.  There is also a low level & surface wind shief along that front from northeast to south & southwest. 

Bottom line is that there is a lot of vorticity & shear in a tropical airmass with temperatures in the 80s & dew points in the 70s.  Cloud bases are low.

This result in the potential of a few isolated funnels to even landspout tornadoes this evening from any showers & storms that pass through.  This could result in a random Tornado Warning seemingly out of no where.

Landspout tornadoes tend to be short-lived with a very width.  They also tend to be weak with EF0 to low-end EF1 strength.

The Non-Supercell Tornado Index is quite elevated from central Illinois to Indiana at the moment & will continue to shift northward.  Also not the elevated numbers near the center & east of the center of Gordon (in Arkansas).

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West Lafayette
Partly Cloudy
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Hi: 80° Lo: 62°
Feels Like: 81°
Kokomo
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Rensselaer
Mostly Cloudy
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Fowler
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Williamsport
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Crawfordsville
Partly Cloudy
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Frankfort
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Delphi
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Monticello
Partly Cloudy
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Hi: 82° Lo: 64°
Feels Like: 75°
Logansport
Clear
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Feels Like: 79°
Hot today with sunshine, then muggy and stormy
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Indiana Coronavirus Cases

Data is updated nightly.

Cases: 752108

Reported Deaths: 13816
CountyCasesDeaths
Marion1033831790
Lake558431013
Allen41736693
St. Joseph37007565
Hamilton36617417
Elkhart29425461
Tippecanoe22938228
Vanderburgh22565400
Porter19369327
Johnson18486389
Hendricks17696317
Clark13233195
Madison13176344
Vigo12631253
LaPorte12429221
Monroe12226176
Delaware10970198
Howard10349224
Kosciusko9643121
Hancock8578147
Bartholomew8174157
Warrick7864156
Floyd7815180
Grant7248179
Wayne7164201
Boone6979103
Morgan6768141
Dubois6224118
Marshall6214116
Cass6024110
Henry5903110
Dearborn589878
Noble581688
Jackson509476
Shelby502396
Lawrence4753122
Gibson445595
Clinton443555
Harrison441775
DeKalb440385
Montgomery439890
Whitley406744
Huntington403381
Steuben400859
Miami395769
Jasper389155
Knox377691
Putnam373461
Wabash362383
Ripley347370
Adams345555
Jefferson336186
White332753
Daviess3035100
Wells295481
Decatur289892
Greene286885
Fayette284864
Posey274335
LaGrange273272
Scott270356
Clay267148
Washington246336
Randolph245183
Jennings235349
Spencer234531
Starke228159
Fountain222048
Sullivan214843
Owen212358
Fulton204043
Jay201032
Carroll193820
Orange188255
Perry187237
Rush175926
Vermillion175344
Franklin170435
Tipton166646
Parke149616
Pike138334
Blackford136232
Pulaski120847
Newton114936
Brown104443
Benton102614
Crawford102516
Martin91815
Warren84115
Switzerland8158
Union72810
Ohio57911
Unassigned0424

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