Alert archive / Indiana / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 147, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 1, 2024, 2:03 PM EDT for Knox County, Indiana. It was in force for 57 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 1, 2024, 2:03 PM EDT (18:03 UTC)
- Expired
- Aug 1, 2024, 3:00 PM EDT
- In force
- 57 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
County Knox County, IN
The radar
The Evansville,IN radar (KVWX), 55 km from the middle of the area, began a volume at 18:02 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 1, 1:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.1 hours before the alert went out and 192 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
- 127 J/kg
- Mixed-layer CIN
- -212 J/kg
- Mixed-layer LCL
- 1323 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -47 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
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 1, 1:32 PM EDT, 31 minutes earlier.
Area forecast discussion, Aug 1, 1:32 PM EDT, 31 minutes before
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</html>Hazardous weather outlook, Aug 1, 3:14 AM EDT, 10 hours 49 minutes before
Hazardous Weather Outlook National Weather Service Indianapolis IN 314 AM EDT Thu Aug 1 2024 INZ021-028>031-035>049-051>057-060>065-067>072-020715- 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-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess- Martin-Lawrence-Jackson-Jennings- 314 AM EDT Thu Aug 1 2024 This hazardous weather outlook is for central Indiana. .DAY ONE...Today and Tonight. Additional rounds of thunderstorms are possible today into tonight, with severe storms remaining a threat. Damaging winds are the primary concern. Any storm will produce lightning and be capable of heavy rain and localized flooding. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Thunderstorms are again possible Friday, lingering into Saturday. Storm chances return Tuesday of next week. .SPOTTER INFORMATION STATEMENT... Spotter reports of flooding or wind damage would be appreciated. && More information, along with other weather, hydrological and climate information can be found at http://weather.gov/ind
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 2:51 PM EDT | Special Weather Statement | IND | Daviess, Martin | 54 min |
| Aug 1, 3:11 PM EDT | Severe Thunderstorm Warning | IND | Daviess, Greene, Martin | 49 min |
| Aug 1, 3:35 PM EDT | Special Weather Statement | IND | Lawrence | 25 min |
| Aug 1, 4:02 PM EDT | Special Weather Statement | IND | Jackson | 43 min |
| Aug 1, 4:22 PM EDT | Special Weather Statement | IND | Hendricks | 23 min |
| Aug 1, 4:43 PM EDT | Special Weather Statement | IND | Hendricks, Marion | 47 min |
| Aug 1, 4:52 PM EDT | Special Weather Statement | IND | Hamilton, Madison | 53 min |
| Aug 1, 5:03 PM EDT | Flash Flood Warning | IND | Boone, Hamilton, Hendricks, Marion | 3 hr |
| Aug 1, 5:14 PM EDT | Areal Flood Warning | IND | Madison | 3 hr |
| Aug 1, 5:31 PM EDT | Flash Flood Warning | IND | Hamilton | 3 hr |
| Aug 1, 5:43 PM EDT | Areal Flood Warning | IND | Hamilton, Hancock, Madison, Marion | 26 min |
| Aug 1, 6:09 PM EDT | Flash Flood Warning | IND | Hamilton, Hancock, Madison, Marion | 2 hr |
| Aug 1, 6:21 PM EDT | Flash Flood Warning | IND | Delaware, Henry, Madison, Randolph | 2 hr |
| Aug 1, 7:32 PM EDT | Areal Flood Warning | IND | Rush, Shelby | 13 hr |
Nearby
Severe Thunderstorm Warnings in Indiana, 2024Every severe thunderstorm warning in 2024
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.