Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 60, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 29, 2021, 9:30 PM EDT for Bartholomew County, Decatur County, Shelby County, Indiana. It was in force for 45 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
- Jul 29, 2021, 9:30 PM EDT (01:30 UTC)
- Expired
- Jul 29, 2021, 10:15 PM EDT
- In force
- 45 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
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 01:34 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, 1.5 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.
091 WUUS53 KIND 300130 SVRIND INC005-031-145-300215- /O.NEW.KIND.SV.W.0060.210730T0130Z-210730T0215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Indianapolis IN 930 PM EDT Thu Jul 29 2021 The National Weather Service in Indianapolis has issued a * Severe Thunderstorm Warning for... Southeastern Shelby County in central Indiana... Southwestern Decatur County in central Indiana... Northeastern Bartholomew County in central Indiana... * Until 1015 PM EDT. * At 929 PM EDT, a severe thunderstorm was located 11 miles south of Shelbyville, moving southeast at 15 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Hope around 935 PM EDT. Milford around 945 PM EDT. Other locations in the path of this severe thunderstorm include Hartsville, Burney, Newbern and Letts. Rotation has been spotted aloft at times with this storm. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3939 8591 3949 8577 3927 8549 3913 8567 TIME...MOT...LOC 0129Z 322DEG 15KT 3937 8572 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$ CP
1 follow-up statement
153 WWUS53 KIND 300155 SVSIND Severe Weather Statement National Weather Service Indianapolis IN 955 PM EDT Thu Jul 29 2021 INC005-031-145-300215- /O.CON.KIND.SV.W.0060.000000T0000Z-210730T0215Z/ Shelby IN-Decatur IN-Bartholomew IN- 955 PM EDT Thu Jul 29 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT FOR SOUTH CENTRAL SHELBY...SOUTHWESTERN DECATUR AND NORTHEASTERN BARTHOLOMEW COUNTIES... At 954 PM EDT, a severe thunderstorm was located 12 miles west of Greensburg, or 13 miles northeast of Columbus, moving southeast at 10 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Hope, Burney, Hartsville, Newbern and Letts. Rotation has been spotted aloft at times with this storm. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3947 8580 3924 8553 3913 8567 3939 8591 TIME...MOT...LOC 0154Z 336DEG 8KT 3933 8572 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$ CP
The 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, 9:37 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 29, 10:24 PM EDT | Flash Flood Warning | IND | Bartholomew, Decatur, Shelby | 3 hr |
| 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
Severe Thunderstorm Warnings in Indiana, 2021Every severe thunderstorm 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.