Alert archive / Indiana / Flash Flood Warnings in 2018

Flash Flood Warning 12, NWS Indianapolis, IN

June 12, 2018Jennings County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 12, 2018, 10:09 PM EDT for Jennings County, Indiana. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 12, 2018, 10:09 PM EDT (02:09 UTC)
Expired: Jun 13, 2018, 1:15 AM EDT
In force: 3 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

County Jennings County, IN

The radar

The Indianapolis radar (KIND), 92 km from the middle of the area, began a volume at 02:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 12, 11:30 PM EDT	FLASH FLOOD	4 Ne North Vernon, IN	CAR DROVE THROUGH FLOODED ROAD AND STALLED NEAR INTERSECTION OF COUNTY ROAD 150 EAST AND 450 NORTH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.2 hours before the alert went out and 163 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 124 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 803 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

757 
WGUS53 KIND 130209
FFWIND
INC079-130515-
/O.NEW.KIND.FF.W.0012.180613T0209Z-180613T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
1009 PM EDT TUE JUN 12 2018

The National Weather Service in Indianapolis has issued a

* Flash Flood Warning for...
  Jennings County in southeastern Indiana...

* Until 115 AM EDT.

* At 1008 PM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Flash flooding is expected to
  begin shortly.

* Some locations that will experience flooding include...
  North Vernon, Vernon, Hayden, Country Squire Lakes, Butlerville and
  Nebraska.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3893 8580 3913 8580 3913 8557 3915 8553
      3916 8544 3893 8545

$$

TDUD

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 9:39 PM EDT	Tornado Warning Tornado observed	IND	Jennings	36 min
Jun 13, 1:15 AM EDT	Areal Flood Warning	IND	Jennings	6 hr
Jun 13, 2:29 PM EDT	Special Weather Statement	IND	Randolph	46 min
Jun 13, 2:33 PM EDT	Special Weather Statement	IND	Hendricks, Marion	42 min
Jun 13, 3:13 PM EDT	Special Weather Statement	IND	Henry	32 min
Jun 13, 3:21 PM EDT	Special Weather Statement	IND	Johnson, Shelby	39 min
Jun 13, 3:25 PM EDT	Special Weather Statement	IND	Rush	50 min
Jun 13, 3:59 PM EDT	Special Weather Statement	IND	Johnson, Shelby	46 min
Jun 13, 4:13 PM EDT	Special Weather Statement	IND	Rush	47 min
Jun 13, 4:28 PM EDT	Special Weather Statement	IND	Bartholomew, Decatur	62 min
Jun 13, 4:36 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Shelby	39 min
Jun 13, 4:52 PM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	40 hr
Jun 13, 5:29 PM EDT	Special Weather Statement	IND	Bartholomew, Decatur	61 min
Jun 13, 5:49 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jennings	41 min
Jun 13, 6:04 PM EDT	Areal Flood Warning	IND	Bartholomew, Decatur, Jackson, Jennings	3 hr
Jun 13, 6:55 PM EDT	Flash Flood Warning	IND	Bartholomew, Decatur, Jackson, Jennings	4 hr
Jun 13, 7:13 PM EDT	Flash Flood Warning	IND	Brown, Jackson	4 hr
Jun 13, 7:59 PM EDT	Areal Flood Warning	IND	Lawrence	3 hr

Nearby

Flash Flood Warnings in Indiana, 2018 Every flash flood warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.