Alert archive / Indiana / Flash Flood Warnings in 2021

Flash Flood Warning 8, NWS Indianapolis, IN

June 19, 2021Decatur County, Rush County, Shelby County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 19, 2021, 2:57 AM EDT for Decatur County, Rush County, Shelby County, Indiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 19, 2021, 2:57 AM EDT (06:57 UTC)
Expired: Jun 19, 2021, 6:00 AM EDT
In force: 3 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Decatur County, IN, Rush County, IN, Shelby County, IN

The radar

The Indianapolis radar (KIND), 82 km from the middle of the area, began a volume at 06:59 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.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.0 hours before the alert went out and 137 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: 2257 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1236 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 214 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 17.6

Open this sounding in Storm Lab

The text

As transmitted.

073 
WGUS53 KIND 190657
FFWIND
INC031-139-145-191000-
/O.NEW.KIND.FF.W.0008.210619T0657Z-210619T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
257 AM EDT Sat Jun 19 2021

The National Weather Service in Indianapolis has issued a

* Flash Flood Warning for...
  Northern Decatur County in central Indiana...
  Southern Rush County in central Indiana...
  Eastern Shelby County in central Indiana...

* Until 600 AM EDT.

* At 257 AM EDT, Doppler radar indicated thunderstorms producing 
  very heavy rain across the warned area. Heavy rain already 
  occurred in this area Friday evening. The additional rainfall 
  could lead to flash flooding.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Shelbyville, Greensburg, Rushville, Adams, Geneva, St. Paul, 
  Milroy, Moscow, Manilla, Waldron, Sandusky, New Salem, Clarksburg 
  and Lake Santee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3960 8530 3944 8530 3940 8530 3939 8530
      3938 8530 3937 8530 3936 8530 3935 8530
      3934 8530 3939 8588 3965 8580

FLASH FLOOD...RADAR INDICATED

$$

TWF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 8:08 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jennings, Rush, Shelby	52 min
Jun 18, 8:17 PM EDT	Areal Flood Warning	IND	Rush	3 hr
Jun 18, 8:18 PM EDT	Tornado Warning	IND	Brown, Monroe, Morgan	27 min
Jun 18, 8:45 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown	45 min
Jun 18, 8:49 PM EDT	Areal Flood Warning	IND	Decatur	3 hr
Jun 18, 8:59 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush	20 min
Jun 18, 9:07 PM EDT	Severe Thunderstorm Warning	IND	Morgan, Owen	27 min
Jun 18, 9:10 PM EDT	Tornado Warning	IND	Brown	20 min
Jun 18, 9:23 PM EDT	Severe Thunderstorm Warning	IND	Johnson, Morgan	23 min
Jun 18, 9:29 PM EDT	Severe Thunderstorm Warning	IND	Monroe, Owen	46 min
Jun 18, 9:32 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Jackson	43 min
Jun 18, 9:45 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Johnson, Shelby	20 min
Jun 18, 9:58 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Vigo	47 min
Jun 18, 10:11 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Jennings	49 min
Jun 18, 10:23 PM EDT	Flash Flood Warning	IND	Brown, Clay, Monroe, Morgan, Owen	5 hr
Jun 18, 10:42 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Monroe, Owen, Sullivan, Vigo	63 min
Jun 18, 10:55 PM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings	5 hr
Jun 18, 11:03 PM EDT	Severe Thunderstorm Warning	IND	Brown, Jackson, Lawrence, Monroe	42 min
Jun 18, 11:25 PM EDT	Flash Flood Warning	IND	Brown, Clay, Greene, Monroe, Owen	5 hr
Jun 19, 12:01 AM EDT	Severe Thunderstorm Warning	IND	Randolph	14 min
Jun 19, 12:33 AM EDT	Severe Thunderstorm Warning	IND	Owen	27 min
Jun 19, 1:02 AM EDT	Severe Thunderstorm Warning	IND	Clay, Vigo	43 min
Jun 19, 2:01 AM EDT	Flash Flood Warning	IND	Clay, Vigo	4 hr
Jun 19, 2:16 AM EDT	Areal Flood Advisory	IND	Hendricks, Johnson, Marion, Morgan	3 hr
Jun 19, 3:19 AM EDT	Flash Flood Warning Considerable damage threat	IND	Clay, Owen	9 hr
Jun 19, 3:45 AM EDT	Severe Thunderstorm Warning	IND	Monroe, Owen	19 min
Jun 19, 4:32 AM EDT	Flash Flood Warning	IND	Clay, Greene, Monroe, Owen	7 hr
Jun 19, 4:49 AM EDT	Flash Flood Warning	IND	Clay, Fountain, Montgomery, Parke, Putnam, Vermillion and 1 more	4 hr
Jun 19, 5:15 AM EDT	Flash Flood Warning	IND	Hendricks, Johnson, Marion, Morgan	4 hr
Jun 19, 5:50 AM EDT	Flash Flood Warning Considerable damage threat	IND	Brown, Johnson, Monroe, Morgan, Owen	6 hr
Jun 19, 6:01 AM EDT	Flash Flood Warning Considerable damage threat	IND	Clay, Sullivan, Vigo	6 hr
Jun 19, 6:07 AM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Lawrence, Martin, Monroe, Owen	38 min
Jun 19, 6:42 AM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	4 hr
Jun 19, 6:45 AM EDT	Special Weather Statement	IND	Brown, Daviess, Jackson, Jennings, Knox, Lawrence and 1 more	45 min
Jun 19, 7:17 AM EDT	Flash Flood Warning	IND	Bartholomew, Decatur, Johnson, Rush, Shelby	3 hr
Jun 19, 10:08 AM EDT	Flash Flood Watch	IND	Bartholomew, Brown, Clay, Decatur, Greene, Jackson and 5 more	4 hr
Jun 19, 10:29 AM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Decatur, Jennings, Johnson, Rush and 1 more	6 hr
Jun 19, 10:41 AM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings	2 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Clay, Greene	25 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Greene, Monroe, Owen	42 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Daviess, Greene, Knox	5 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Jackson, Jennings, Washington	26 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Jackson, Lawrence, Washington	4 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Bartholomew	41 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Daviess, Greene, Knox	5 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Bartholomew, Jackson	42 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Bartholomew, Johnson, Shelby	3 days
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Knox, Sullivan	48 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Knox, Sullivan	41 hr
Jun 19, 11:01 AM EDT	River Flood Warning	IND	Daviess, Gibson, Knox, Pike	6 days
Jun 19, 11:24 AM EDT	Special Weather Statement	IND	Daviess, Lawrence, Martin	66 min
Jun 19, 11:52 AM EDT	Areal Flood Warning	IND	Brown, Clay, Greene, Johnson, Lawrence, Monroe and 6 more	25 hr
Jun 19, 12:42 PM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings, Lawrence	24 hr
Jun 19, 4:36 PM EDT	Areal Flood Warning	IND	Bartholomew, Brown, Decatur, Jennings, Johnson, Rush and 1 more	20 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Johnson	24 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Decatur	18 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Bartholomew	27 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Marion	11 hr
Jun 19, 6:41 PM EDT	River Flood Warning	IND	Bartholomew	11 hr

Nearby

Flash Flood Warnings in Indiana, 2021 Every flash flood warning in 2021

Sources

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