Alert archive / Indiana / Flash Flood Warnings in 2021
Flash Flood Warning 26, NWS Indianapolis, IN
NWS Indianapolis, IN issued this flash flood warning at Jul 29, 2021, 10:24 PM EDT for Bartholomew County, Decatur 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
- Jul 29, 2021, 10:24 PM EDT (02:24 UTC)
- Expired
- Jul 30, 2021, 1:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bartholomew County, IN, Decatur County, IN, Shelby County, IN
The radar
The Indianapolis radar (KIND), 62 km from the middle of the area, began a volume at 02:27 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, 2.4 hours before the alert went out and 168 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
- 2113 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 691 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 9.2
The text
As transmitted.
992
WGUS53 KIND 300224
FFWIND
INC005-031-145-300530-
/O.NEW.KIND.FF.W.0026.210730T0224Z-210730T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
1024 PM EDT Thu Jul 29 2021
The National Weather Service in Indianapolis has issued a
* Flash Flood Warning for...
Northeastern Bartholomew County in central Indiana...
West Central Decatur County in central Indiana...
South Central Shelby County in central Indiana...
* Until 130 AM EDT.
* At 1024 PM EDT, local law enforcement reported flood waters
covering the road on State Road 252 in far southern Shelby county
near State Road 9, with parts being impassable. Radar estimates
between 3 and 4.5 inches of rain have fallen. Additional rainfall
around 1 inch or more is 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...
areas between Flat Rock and Geneva and between Hope and Burney.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3938 8588 3945 8580 3925 8555 3921 8564
FLASH FLOOD...OBSERVED
$$
CP1 follow-up statement
461
WGUS73 KIND 300350
FFSIND
Flash Flood Statement
National Weather Service Indianapolis IN
1150 PM EDT Thu Jul 29 2021
INC005-031-145-300530-
/O.CON.KIND.FF.W.0026.000000T0000Z-210730T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bartholomew IN-Decatur IN-Shelby IN-
1150 PM EDT Thu Jul 29 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FRIDAY FOR
NORTHEASTERN BARTHOLOMEW, WEST CENTRAL DECATUR AND SOUTH CENTRAL
SHELBY COUNTIES...
At 1150 PM EDT, local law enforcement flash flooding on State Road
252 in far southern Shelby county near State Road 9, along with
several other local roads in that area. Between 3.5 and 5 inches of
rain have fallen. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Hartsville, Burney and Geneva.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3940 8585 3945 8580 3928 8558 3923 8567
FLASH FLOOD...OBSERVED
$$
CPThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 8:11 PM EDT | Severe Thunderstorm Warning | IND | Decatur, Shelby | 34 min |
| Jul 29, 8:14 PM EDT | Tornado Warning | IND | Decatur, Rush, Shelby | 31 min |
| Jul 29, 8:45 PM EDT | Severe Thunderstorm Warning | IND | Decatur, Shelby | 45 min |
| Jul 29, 9:06 PM EDT | Special Weather Statement | IND | Knox | 39 min |
| Jul 29, 9:30 PM EDT | Severe Thunderstorm Warning | IND | Bartholomew, Decatur, Shelby | 45 min |
| Jul 29, 9:37 PM EDT | Areal Flood Advisory | IND | Bartholomew, Decatur, Shelby | 5 hr |
| Jul 29, 10:14 PM EDT | Severe Thunderstorm Warning | IND | Bartholomew, Decatur, Shelby | 21 min |
| Jul 30, 1:13 AM EDT | Areal Flood Warning | IND | Bartholomew, Decatur, Shelby | 6 hr |
| Jul 30, 3:42 AM EDT | River Flood Warning | IND | Bartholomew | 8 hr |
Nearby
Flash Flood Warnings in Indiana, 2021Every 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.