Alert archive / Indiana / Flash Flood Warnings in 2026
Flash Flood Warning 21, NWS Indianapolis, IN
NWS Indianapolis, IN issued this flash flood warning at Jun 21, 2026, 10:56 PM EDT for Daviess County, Knox County, Martin County, Indiana. It was in force for 64 min. 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 21, 2026, 10:56 PM EDT (02:56 UTC)
- Expired
- Jun 22, 2026, 12:00 AM EDT
- In force
- 64 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Daviess County, IN, Knox County, IN, Martin County, IN
The radar
The Evansville,IN radar (KVWX), 73 km from the middle of the area, began a volume at 02:58 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
Lincoln, IL (KILX), launched 00:00Z, 2.9 hours before the alert went out and 194 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.
- Mixed-layer CAPE
- 43 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 643 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
047
WGUS53 KIND 220256
FFWIND
INC027-083-101-220400-
/O.NEW.KIND.FF.W.0021.260622T0256Z-260622T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
1056 PM EDT Sun Jun 21 2026
The National Weather Service in Indianapolis has issued a
* Flash Flood Warning for...
Daviess County in southwestern Indiana...
Northeastern Knox County in southwestern Indiana...
Northern Martin County in southwestern Indiana...
* Until midnight EDT tonight.
* At 1056 PM EDT, local law enforcement reported thunderstorms
producing heavy rain across the warned area. Between 2 and 4
inches of rain have fallen. Additional rainfall amounts up to 0.5
inches are possible in the warned area. Flash flooding is already
occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
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...
Vincennes, Washington, Bicknell, Loogootee, Odon, Elnora,
Wheatland, Bruceville, Plainville, Sandborn, Montgomery,
Edwardsport, Cannelburg, West Boggs Lake, Burns City and Indian
Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3886 8719 3891 8719 3888 8684 3885 8668
3872 8668 3871 8684 3865 8690 3865 8734
3871 8752 3874 8750 3875 8750 3877 8750
3878 8750 3879 8751 3880 8730
FLASH FLOOD...OBSERVED
$$
AGMThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 8:09 PM EDT | Flash Flood Warning | IND | Greene, Monroe | 3 hr |
| Jun 21, 8:09 PM EDT | Severe Thunderstorm Warning | IND | Daviess, Knox, Martin | 66 min |
| Jun 21, 8:14 PM EDT | Tornado Warning | IND | Bartholomew, Decatur, Shelby | 24 min |
| Jun 21, 8:21 PM EDT | Flash Flood Warning | IND | Daviess, Knox, Martin | 3 hr |
| Jun 21, 8:25 PM EDT | Severe Thunderstorm Warning | IND | Bartholomew, Decatur, Jennings, Rush, Shelby | 50 min |
| Jun 21, 8:27 PM EDT | Severe Thunderstorm Warning | IND | Jackson, Lawrence | 48 min |
| Jun 21, 8:28 PM EDT | Flash Flood Warning | IND | Brown, Jackson, Monroe | 4 hr |
| Jun 21, 8:35 PM EDT | Tornado Warning | IND | Decatur | 25 min |
| Jun 21, 8:42 PM EDT | Areal Flood Advisory | IND | Bartholomew, Jackson, Jennings | 3 hr |
| Jun 21, 8:57 PM EDT | Areal Flood Advisory | IND | Daviess, Lawrence, Martin | 3 hr |
| Jun 21, 9:04 PM EDT | Tornado Warning | IND | Martin | 21 min |
| Jun 21, 9:09 PM EDT | Flash Flood Warning | IND | Bartholomew | 3 hr |
| Jun 21, 9:17 PM EDT | Flash Flood Warning | IND | Daviess, Lawrence, Martin | 4 hr |
| Jun 21, 9:32 PM EDT | Severe Thunderstorm Warning | IND | Jennings | 28 min |
| Jun 21, 9:59 PM EDT | Areal Flood Warning | IND | Knox | 2 hr |
| Jun 21, 10:06 PM EDT | River Flood Warning | IND | Daviess, Greene, Knox | 4 days |
| Jun 21, 10:06 PM EDT | River Flood Warning | IND | Daviess, Gibson, Knox, Pike | 47 hr |
| Jun 21, 10:06 PM EDT | River Flood Warning | IND | Gibson, Knox, Posey | 10 days |
| Jun 21, 10:34 PM EDT | Areal Flood Advisory | IND | Jennings | 12 hr |
| Jun 21, 11:47 PM EDT | Flash Flood Warning | IND | Daviess, Martin | 5 hr |
| Jun 21, 11:58 PM EDT | Areal Flood Warning | IND | Bartholomew | 11 hr |
| Jun 22, 12:00 AM EDT | Areal Flood Warning | IND | Knox | 11 hr |
| Jun 22, 12:57 AM EDT | Areal Flood Warning | IND | Martin | 4 hr |
| Jun 22, 4:50 AM EDT | Areal Flood Warning | IND | Daviess, Martin | 6 hr |
| Jun 22, 9:39 AM EDT | River Flood Warning | IND | Jackson, Lawrence, Washington | 21 hr |
Nearby
Flash Flood Warnings in Indiana, 2026Every flash flood warning in 2026
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.