Alert archive / Indiana / Flash Flood Warnings in 2026
Flash Flood Warning 49, NWS Indianapolis, IN
NWS Indianapolis, IN issued this flash flood warning at Aug 12, 2026, 12:58 PM EDT for Decatur County, Indiana. It was in force for 11 hr. 12 reports 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
- Aug 12, 2026, 12:58 PM EDT (16:58 UTC)
- Expired
- Aug 12, 2026, 11:39 PM EDT
- In force
- 11 hr
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County Decatur County, IN
The radar
The Indianapolis radar (KIND), 80 km from the middle of the area, began a volume at 17:00 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 |
|---|---|---|---|
| Aug 12, 3:09 PM EDT | FLASH FLOOD | Greensburg, IN | Over 7 inches measured in town with numerous roads closed. |
| Aug 12, 3:09 PM EDT | FLASH FLOOD | Greensburg, IN | Over 7 inches measured in town with numerous roads closed. |
| Aug 12, 3:09 PM EDT | RAIN 7 | Greensburg, IN | Corrects previous rain report from Greensburg. |
| Aug 12, 3:09 PM EDT | RAIN 7 | Greensburg, IN | Corrects previous rain report from Greensburg. |
| Aug 12, 3:09 PM EDT | RAIN 7 | Greensburg, IN | Corrects previous rain report from Greensburg. |
| Aug 12, 3:09 PM EDT | RAIN 7 | Greensburg, IN | |
| Aug 12, 3:44 PM EDT | RAIN 6.85 | 1 Nw Lake Santee, IN | Total today. |
| Aug 12, 3:44 PM EDT | RAIN 6.85 | 1 Nw Lake Santee, IN | Total today. |
| Aug 12, 3:44 PM EDT | RAIN 6.85 | 1 Nw Lake Santee, IN | Total today. |
| Aug 12, 3:45 PM EDT | RAIN 3.95 | 1 Nnw Newpoint, IN | Mesonet station EW7336 Greensburg. |
| Aug 12, 4:00 PM EDT | RAIN 5.64 | 1 Wsw Lake Santee, IN | Mesonet station EW3061 Lake Santee. |
| Aug 12, 7:30 PM EDT | RAIN 3.98 | 1 Nnw Newpoint, IN | Mesonet station EW7336 Greensburg. |
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 12:00Z, 5.0 hours before the alert went out and 148 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
- 589 J/kg
- Mixed-layer CIN
- -173 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.4
The text
As transmitted.
820
WGUS53 KIND 121658 RRC
FFWIND
INC031-122145-
/O.NEW.KIND.FF.W.0049.260812T1658Z-260812T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
1258 PM EDT Wed Aug 12 2026
The National Weather Service in Indianapolis has issued a
* Flash Flood Warning for...
Decatur County in central Indiana...
* Until 545 PM EDT.
* At 1258 PM EDT, emergency management reported thunderstorms
producing heavy rain across the warned area. Between 3 and 6
inches of rain have fallen. Additional rainfall amounts up to 1
inch are possible in the warned area. Flash flooding is already
occurring.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Emergency management reported.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Greensburg, Adams, Milford, Westport, St. Paul, Millhousen, Letts,
Sandusky, Burney, Newpoint, Clarksburg and Lake Santee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3927 8530 3913 8557 3913 8569 3935 8568
3935 8563 3945 8563 3945 8530
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Eckhoff2 follow-up statements
290
WGUS53 KIND 122113 RRA
FFWIND
INC031-130345-
/O.EXT.KIND.FF.W.0049.000000T0000Z-260813T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Indianapolis IN
513 PM EDT Wed Aug 12 2026
The National Weather Service in Indianapolis has extended the
* Flash Flood Warning for...
Decatur County in central Indiana...
* Until 1145 PM EDT Wednesday.
* At 513 PM EDT, emergency management reported thunderstorms
producing heavy rain across the warned area. Between 4 and 8
inches of rain have fallen. Additional rainfall amounts up to 0.25
inches are possible in the warned area. Flash flooding is already
occurring.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Emergency management reported.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Greensburg, Adams, Milford, Westport, St. Paul, Millhousen, Letts,
Sandusky, Burney, Newpoint, Clarksburg and Lake Santee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3927 8530 3913 8557 3913 8569 3935 8568
3935 8563 3945 8563 3945 8530
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Eckhoff209
WGUS73 KIND 130339
FFSIND
Flash Flood Statement
National Weather Service Indianapolis IN
1139 PM EDT Wed Aug 12 2026
INC031-130349-
/O.CAN.KIND.FF.W.0049.000000T0000Z-260813T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Decatur IN-
1139 PM EDT Wed Aug 12 2026
...FLASH FLOOD WARNING FOR DECATUR COUNTY HAS BEEN REPLACED WITH A
FLOOD WARNING...
Flash Flood threat has ended for the warned area but a flooding
threat continues.
&&
LAT...LON 3927 8530 3913 8557 3913 8569 3935 8568
3935 8563 3945 8563 3945 8530
$$
KFThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 8:48 PM EDT | Areal Flood Advisory | IND | Clay, Owen, Parke, Putnam, Vermillion, Vigo | 2 hr |
| Aug 11, 8:56 PM EDT | Special Weather Statement | IND | Putnam | 34 min |
| Aug 11, 9:21 PM EDT | Severe Thunderstorm Warning | IND | Hendricks, Morgan, Owen, Putnam | 39 min |
| Aug 11, 9:41 PM EDT | Areal Flood Advisory | IND | Hendricks, Morgan, Owen, Parke, Putnam | 3 hr |
| Aug 11, 10:02 PM EDT | Special Weather Statement | IND | Morgan | 43 min |
| Aug 11, 11:10 PM EDT | Special Weather Statement | IND | Shelby | 35 min |
| Aug 11, 11:13 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Johnson, Marion, Shelby | 32 min |
| Aug 11, 11:44 PM EDT | Special Weather Statement | IND | Shelby | 31 min |
| Aug 11, 11:55 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Rush, Shelby | 35 min |
| Aug 12, 12:31 AM EDT | Areal Flood Advisory | IND | Hancock, Johnson, Marion, Shelby | 3 hr |
| Aug 12, 12:41 AM EDT | Flash Flood Warning | IND | Shelby | 12 hr |
| Aug 12, 12:54 AM EDT | Areal Flood Advisory | IND | Decatur, Rush, Shelby | 117 min |
| Aug 12, 1:55 AM EDT | Areal Flood Advisory | IND | Henry, Rush | 51 min |
| Aug 12, 1:56 AM EDT | Areal Flood Warning | IND | Decatur, Jennings, Shelby | 4 hr |
| Aug 12, 2:18 AM EDT | Areal Flood Advisory | IND | Howard, Madison, Tipton | 7 hr |
| Aug 12, 2:31 AM EDT | Flash Flood Warning | IND | Delaware, Henry, Madison | 3 hr |
| Aug 12, 2:41 AM EDT | Areal Flood Advisory | IND | Delaware, Henry, Randolph | 3 hr |
| Aug 12, 2:46 AM EDT | Flash Flood Warning | IND | Henry, Rush | 3 hr |
| Aug 12, 2:51 AM EDT | Flash Flood Warning | IND | Decatur, Rush, Shelby | 3 hr |
| Aug 12, 3:14 AM EDT | Flash Flood Warning | IND | Henry | 2 hr |
| Aug 12, 3:57 AM EDT | Flash Flood Warning | IND | Decatur | 9 hr |
| Aug 12, 4:34 AM EDT | Flash Flood Warning | IND | Henry, Rush | 8 hr |
| Aug 12, 5:24 AM EDT | Flash Flood Warning | IND | Decatur, Rush | 8 hr |
| Aug 12, 5:34 AM EDT | Flash Flood Warning | IND | Delaware, Henry, Randolph | 7 hr |
| Aug 12, 5:53 AM EDT | Areal Flood Warning | IND | Decatur, Jennings, Shelby | 2 hr |
| Aug 12, 6:20 AM EDT | River Flood Warning | IND | Carroll, Tippecanoe, White | 5 days |
| Aug 12, 6:20 AM EDT | River Flood Warning | IND | Carroll, White | 16 hr |
| Aug 12, 6:20 AM EDT | River Flood Warning | IND | Fountain, Parke, Tippecanoe, Vermillion, Warren | 7 days |
| Aug 12, 7:26 AM EDT | Areal Flood Advisory | IND | Hancock, Rush | 2 hr |
| Aug 12, 8:11 AM EDT | Flash Flood Warning | IND | Decatur, Jennings, Shelby | 5 hr |
| Aug 12, 8:23 AM EDT | River Flood Warning | IND | Delaware, Madison | 4 days |
| Aug 12, 8:30 AM EDT | River Flood Warning | IND | Hamilton, Madison | 6 days |
| Aug 12, 8:48 AM EDT | Areal Flood Advisory | IND | Bartholomew, Jennings, Shelby | 60 min |
| Aug 12, 9:14 AM EDT | Areal Flood Warning | IND | Madison | 33 min |
| Aug 12, 9:47 AM EDT | Flash Flood Warning | IND | Madison | 12 hr |
| Aug 12, 9:48 AM EDT | Areal Flood Warning | IND | Bartholomew, Jennings, Shelby | 9 hr |
| Aug 12, 9:49 AM EDT | Areal Flood Warning | IND | Hancock, Rush | 9 hr |
| Aug 12, 10:17 AM EDT | Flash Flood Warning | IND | Delaware | 12 hr |
| Aug 12, 10:26 AM EDT | Flash Flood Warning | IND | Howard, Tipton | 12 hr |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Jackson, Jennings, Washington | 19 hr |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Shelby | 4 days |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Jackson, Lawrence, Washington | 7 days |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Bartholomew | 4 days |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Bartholomew, Jackson | 4 days |
| Aug 12, 10:28 AM EDT | River Flood Warning | IND | Bartholomew, Johnson, Shelby | 5 days |
| Aug 12, 10:42 AM EDT | River Flood Warning | IND | Hamilton, Marion | 6 days |
| Aug 12, 10:42 AM EDT | River Flood Warning | IND | Marion, Morgan | 7 days |
| Aug 12, 10:42 AM EDT | River Flood Warning | IND | Marion, Morgan | 6 days |
| Aug 12, 10:46 AM EDT | Flash Flood Warning | IND | Henry | 12 hr |
| Aug 12, 10:54 AM EDT | River Flood Warning | IND | Delaware, Randolph | 4 days |
| Aug 12, 11:29 AM EDT | River Flood Warning | IND | Fountain, Parke, Vermillion, Warren | 12 days |
| Aug 12, 11:29 AM EDT | River Flood Warning | IND | Parke, Vermillion, Vigo | 15 days |
| Aug 12, 11:45 AM EDT | Special Weather Statement | IND | Fountain, Warren | 30 min |
| Aug 12, 12:01 PM EDT | Severe Thunderstorm Warning | IND | Fountain, Warren | 44 min |
| Aug 12, 12:13 PM EDT | Severe Thunderstorm Warning | IND | Boone, Carroll, Clinton, Howard, Montgomery, Tippecanoe | 52 min |
| Aug 12, 12:42 PM EDT | Special Weather Statement | IND | Parke, Vermillion | 33 min |
| Aug 12, 12:47 PM EDT | Special Weather Statement | IND | Brown | 28 min |
| Aug 12, 12:58 PM EDT | Flash Flood Warning | IND | Rush | 11 hr |
| Aug 12, 12:58 PM EDT | Flash Flood Warning | IND | Randolph | 11 hr |
| Aug 12, 12:58 PM EDT | Flash Flood Warning | IND | Shelby | 7 hr |
| Aug 12, 12:58 PM EDT | Flash Flood Warning | IND | Hancock | 7 hr |
| Aug 12, 12:59 PM EDT | Areal Flood Warning | IND | Bartholomew, Jennings | 3 hr |
| Aug 12, 1:00 PM EDT | Special Weather Statement | IND | Boone, Hamilton | 30 min |
| Aug 12, 1:02 PM EDT | Flash Flood Warning | IND | Boone, Hamilton | 7 hr |
| Aug 12, 1:02 PM EDT | Special Weather Statement | IND | Howard, Tipton | 28 min |
| Aug 12, 1:11 PM EDT | Special Weather Statement | IND | Parke | 34 min |
| Aug 12, 1:20 PM EDT | Flash Flood Warning | IND | Hendricks, Marion | 7 hr |
| Aug 12, 1:28 PM EDT | Special Weather Statement | IND | Putnam | 32 min |
| Aug 12, 1:31 PM EDT | Special Weather Statement | IND | Vigo | 29 min |
| Aug 12, 1:39 PM EDT | Severe Thunderstorm Warning | IND | Hendricks, Johnson, Marion, Morgan, Putnam | 36 min |
| Aug 12, 2:04 PM EDT | Special Weather Statement | IND | Johnson, Rush, Shelby | 26 min |
| Aug 12, 2:09 PM EDT | River Flood Warning | IND | Howard | 4 days |
| Aug 12, 2:09 PM EDT | Special Weather Statement | IND | Clay, Sullivan, Vigo | 36 min |
| Aug 12, 2:11 PM EDT | Flash Flood Warning | IND | Johnson | 5 hr |
| Aug 12, 2:17 PM EDT | Severe Thunderstorm Warning | IND | Decatur, Johnson, Rush, Shelby | 58 min |
| Aug 12, 2:28 PM EDT | Flash Flood Warning | IND | Bartholomew | 6 hr |
| Aug 12, 2:30 PM EDT | Special Weather Statement | IND | Bartholomew, Brown, Decatur | 30 min |
| Aug 12, 2:35 PM EDT | Severe Thunderstorm Warning | IND | Daviess, Greene, Knox, Sullivan | 40 min |
| Aug 12, 2:42 PM EDT | River Flood Warning | IND | Carroll, Howard | 4 days |
| Aug 12, 2:42 PM EDT | Severe Thunderstorm Warning | IND | Daviess, Knox, Sullivan | 48 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.