Alert archive / Indiana / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 274, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 11, 2026, 9:10 AM EDT for Henry County, Rush County, Indiana. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 11, 2026, 9:10 AM EDT (13:10 UTC)
- Expired
- Aug 11, 2026, 9:40 AM EDT
- In force
- 30 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Henry County, IN, Rush County, IN
The radar
The Indianapolis radar (KIND), 73 km from the middle of the area, began a volume at 13:13 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 11, 8:41 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 1.2 hours before the alert went out and 145 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
- 3952 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 708 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 13.3
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 11, 8:58 AM EDT, 12 minutes earlier.
Area forecast discussion, Aug 11, 8:58 AM EDT, 12 minutes before
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</html>Hazardous weather outlook, Aug 11, 2:34 AM EDT, 6 hours 36 minutes before
Hazardous Weather Outlook National Weather Service Indianapolis IN 234 AM EDT Tue Aug 11 2026 INZ021-028>031-035>049-051>057-062>065-071-072-120645- Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone- Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam- Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby- Rush-Monroe-Brown-Bartholomew-Decatur-Jackson-Jennings- 234 AM EDT Tue Aug 11 2026 This hazardous weather outlook is for central Indiana. .DAY ONE...Today and Tonight. Severe storms likely today with the potential for a storm complex with widespread damaging winds along with localized flash flooding. Additional storms possible through the night with flooding becoming the main threat. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Thunderstorms will be possible at times through the week, with potential for multiple rounds of severe storms through at least Wednesday night. Damaging winds and heavy rainfall will be the primary threats. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to remain vigilant this week as multiple rounds of severe storms will be possible. && More information, along with other weather, hydrological and climate information can be found at http://weather.gov/ind INZ060-061-067>070-120645- Sullivan-Greene-Knox-Daviess-Martin-Lawrence- 234 AM EDT Tue Aug 11 2026 This hazardous weather outlook is for central Indiana. .DAY ONE...Today and Tonight. Severe storms likely today with the potential for a storm complex with widespread damaging winds along with localized flash flooding. Additional storms possible through the night with flooding becoming the main threat. Heat index values up to 105 today may cause heat related illnesses. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Thunderstorms will be possible at times through the week, with potential for multiple rounds of severe storms through at least Wednesday night. Damaging winds and heavy rainfall will be the primary threats. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to monitor the severe weather threat today and report any damage. && More information, along with other weather, hydrological and climate information can be found at http://weather.gov/ind
In the hours before
Local storm report, Aug 11, 8:16 AM EDT, 54 minutes before
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</html>Local storm report, Aug 11, 8:44 AM EDT, 26 minutes before
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</html>Local storm report, Aug 11, 8:59 AM EDT, 11 minutes before
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</html>The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 1:38 AM EDT | Flood Watch | IND | Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 31 more | 6 days |
| Aug 11, 1:38 AM EDT | Heat Advisory | IND | Daviess, Greene, Knox, Lawrence, Martin, Sullivan | 17 hr |
| Aug 11, 7:41 AM EDT | Severe Thunderstorm Warning | IND | Delaware, Madison, Randolph | 49 min |
| Aug 11, 8:00 AM EDT | Severe Thunderstorm Warning | IND | Delaware, Henry, Randolph | 45 min |
| Aug 11, 8:20 AM EDT | Severe Thunderstorm Warning | IND | Delaware, Hancock, Henry, Madison | 55 min |
| Aug 11, 11:48 AM EDT | Special Weather Statement | IND | Delaware, Madison | 42 min |
| Aug 11, 12:05 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Madison | 40 min |
| Aug 11, 12:40 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Randolph | 65 min |
| Aug 11, 12:49 PM EDT | Severe Thunderstorm Warning | IND | Carroll, Clinton, Howard, Tippecanoe | 56 min |
| Aug 11, 1:09 PM EDT | Severe Thunderstorm Warning | IND | Clinton, Howard, Tipton | 51 min |
| Aug 11, 1:25 PM EDT | Severe Thunderstorm Warning | IND | Boone, Clinton, Hamilton, Madison, Montgomery, Tippecanoe and 1 more | 65 min |
| Aug 11, 1:30 PM EDT | Flash Flood Warning | IND | Delaware, Howard, Madison, Randolph | 4 hr |
| Aug 11, 1:39 PM EDT | Areal Flood Advisory | IND | Carroll, Clinton, Howard, Madison, Tippecanoe, Tipton | 6 hr |
| Aug 11, 1:49 PM EDT | Severe Thunderstorm Warning | IND | Boone, Hamilton, Hancock, Hendricks, Johnson, Madison and 3 more | 56 min |
| Aug 11, 2:12 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Hancock, Henry, Rush, Shelby | 63 min |
| Aug 11, 2:13 PM EDT | Areal Flood Advisory | IND | Boone, Delaware, Hamilton, Henry, Madison, Randolph | 6 hr |
| Aug 11, 2:42 PM EDT | Special Weather Statement | IND | Bartholomew, Brown, Decatur, Jennings | 63 min |
| Aug 11, 2:47 PM EDT | Areal Flood Advisory | IND | Hancock, Henry, Marion, Rush, Shelby | 7 hr |
| Aug 11, 2:58 PM EDT | Severe Thunderstorm Warning | IND | Decatur | 31 min |
| Aug 11, 3:10 PM EDT | Severe Thunderstorm Warning | IND | Carroll, Clinton, Tippecanoe, Warren | 28 min |
| Aug 11, 3:14 PM EDT | Severe Thunderstorm Warning | IND | Fountain, Tippecanoe, Warren | 46 min |
| Aug 11, 3:26 PM EDT | Severe Thunderstorm Warning | IND | Brown, Johnson, Monroe, Morgan, Owen | 49 min |
| Aug 11, 3:41 PM EDT | Severe Thunderstorm Warning | IND | Fountain, Montgomery, Tippecanoe | 49 min |
| Aug 11, 4:11 PM EDT | Severe Thunderstorm Warning | IND | Boone, Clinton, Hendricks, Montgomery | 34 min |
| Aug 11, 4:30 PM EDT | Severe Thunderstorm Warning | IND | Boone, Hamilton, Hancock, Hendricks, Marion | 30 min |
| Aug 11, 4:31 PM EDT | Severe Thunderstorm Warning | IND | Fountain, Montgomery, Parke | 44 min |
| Aug 11, 5:01 PM EDT | Special Weather Statement | IND | Hancock, Johnson, Marion | 29 min |
| Aug 11, 5:05 PM EDT | Special Weather Statement | IND | Parke, Vermillion | 55 min |
| Aug 11, 5:14 PM EDT | Severe Thunderstorm Warning | IND | Clay, Fountain, Montgomery, Parke, Putnam, Vermillion and 1 more | 45 min |
| Aug 11, 5:19 PM EDT | Areal Flood Advisory | IND | Delaware, Howard, Madison, Randolph | 3 hr |
| Aug 11, 5:20 PM EDT | Severe Thunderstorm Warning | IND | Hendricks, Montgomery, Putnam | 25 min |
| Aug 11, 5:27 PM EDT | Tornado Warning | IND | Fountain, Parke, Vermillion | 14 min |
| Aug 11, 5:34 PM EDT | Special Weather Statement | IND | Lawrence | 41 min |
| Aug 11, 5:36 PM EDT | Special Weather Statement | IND | Morgan | 39 min |
| Aug 11, 5:46 PM EDT | Severe Thunderstorm Warning | IND | Clay, Greene, Hendricks, Monroe, Morgan, Owen and 4 more | 59 min |
| Aug 11, 5:53 PM EDT | Areal Flood Warning | IND | Clay, Owen, Parke, Putnam, Vermillion, Vigo | 3 hr |
| Aug 11, 6:02 PM EDT | Severe Thunderstorm Warning | IND | Clay, Monroe, Morgan, Owen, Putnam | 28 min |
| Aug 11, 6:19 PM EDT | Severe Thunderstorm Warning | IND | Clay, Greene, Sullivan, Vigo | 26 min |
| Aug 11, 6:27 PM EDT | Severe Thunderstorm Warning | IND | Bartholomew, Brown, Daviess, Decatur, Greene, Jackson and 6 more | 63 min |
| Aug 11, 6:42 PM EDT | Severe Thunderstorm Warning | IND | Daviess, Greene, Knox, Lawrence, Martin, Sullivan | 48 min |
| Aug 11, 7:04 PM EDT | Severe Thunderstorm Warning | IND | Bartholomew, Decatur, Jackson, Jennings | 41 min |
| Aug 11, 7:20 PM EDT | Severe Thunderstorm Warning | IND | Clay, Sullivan, Vigo | 24 min |
| Aug 11, 7:22 PM EDT | Areal Flood Advisory | IND | Daviess, Greene, Knox, Lawrence, Martin | 3 hr |
| Aug 11, 7:29 PM EDT | Severe Thunderstorm Warning | IND | Daviess, Martin | 15 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 2026Every severe thunderstorm 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.