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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Logansport
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Mainly Dry and Warmer Rest of the Week.
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Indiana Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 112626

Reported Deaths: 3520
CountyConfirmedDeaths
Marion20832759
Lake10292318
Elkhart6415109
St. Joseph6156102
Allen6029200
Hamilton4724109
Vanderburgh344530
Hendricks2673122
Monroe247436
Tippecanoe226913
Johnson2268123
Clark215056
Porter207845
Cass19329
Delaware188261
Vigo178123
Madison159575
LaPorte137739
Floyd131461
Howard128563
Kosciusko120217
Warrick119936
Bartholomew115357
Marshall98924
Dubois95418
Boone95146
Hancock91143
Grant89133
Noble89132
Henry77024
Wayne74414
Jackson7409
Morgan70038
Shelby66529
Daviess64427
Dearborn63228
LaGrange63111
Clinton59212
Harrison56024
Putnam53710
Lawrence50528
Montgomery50521
Knox5019
Gibson4854
White48114
DeKalb45611
Decatur45439
Miami4263
Fayette41813
Greene41835
Jasper3862
Steuben3707
Scott35610
Sullivan33012
Jennings31212
Posey3060
Franklin29925
Clay2935
Orange28524
Ripley2838
Carroll27013
Wabash2618
Washington2611
Starke2537
Whitley2526
Wells2482
Adams2453
Jefferson2443
Fulton2342
Huntington2223
Tipton21722
Spencer2153
Perry21413
Randolph2087
Jay1730
Newton17111
Owen1651
Martin1640
Rush1524
Pike1401
Vermillion1260
Fountain1182
Pulaski1151
Blackford1133
Crawford1030
Brown1023
Parke941
Benton880
Union770
Ohio767
Switzerland700
Warren391
Unassigned0225

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