Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 69, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 12, 2021, 4:00 PM EDT for Fountain County, Vermillion County, Warren 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 outline as issued.
The facts
- Issued
- Aug 12, 2021, 4:00 PM EDT (20:00 UTC)
- Expired
- Aug 12, 2021, 4:30 PM EDT
- In force
- 30 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fountain County, IN, Vermillion County, IN, Warren County, IN
The radar
The Indianapolis radar (KIND), 109 km from the middle of the area, began a volume at 20:00 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.0 hours before the alert went out and 100 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
- 1191 J/kg
- Mixed-layer CIN
- -177 J/kg
- Mixed-layer LCL
- 1149 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The text
As transmitted.
889 WUUS53 KIND 122000 SVRIND INC045-165-171-122030- /O.NEW.KIND.SV.W.0069.210812T2000Z-210812T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Indianapolis IN 400 PM EDT Thu Aug 12 2021 The National Weather Service in Indianapolis has issued a * Severe Thunderstorm Warning for... Western Fountain County in west central Indiana... Southwestern Warren County in west central Indiana... Northwestern Vermillion County in west central Indiana... * Until 430 PM EDT. * At 359 PM EDT, a severe thunderstorm was located over Danville, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... State Line City and Gessie around 405 PM EDT. Foster around 410 PM EDT. Covington around 415 PM EDT. Other locations in the path of this severe thunderstorm include West Lebanon, Veedersburg and Williamsport. This includes Interstate 74 between mile markers 1 and 14. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4005 8753 4029 8753 4031 8726 4004 8725 TIME...MOT...LOC 1959Z 263DEG 36KT 4018 8761 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Puma
2 follow-up statements
049 WWUS53 KIND 122011 SVSIND Severe Weather Statement National Weather Service Indianapolis IN 411 PM EDT Thu Aug 12 2021 INC045-165-171-122030- /O.CON.KIND.SV.W.0069.000000T0000Z-210812T2030Z/ Fountain IN-Warren IN-Vermillion IN- 411 PM EDT Thu Aug 12 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR WESTERN FOUNTAIN...SOUTHWESTERN WARREN AND NORTHWESTERN VERMILLION COUNTIES... At 411 PM EDT, a severe thunderstorm was located over Covington, or 9 miles east of Danville, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe storm will be near... Veedersburg around 420 PM EDT. This includes Interstate 74 between mile markers 1 and 14. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4005 8753 4029 8753 4031 8726 4004 8725 TIME...MOT...LOC 2011Z 275DEG 43KT 4015 8744 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Puma
121
WWUS53 KIND 122025
SVSIND
Severe Weather Statement
National Weather Service Indianapolis IN
425 PM EDT Thu Aug 12 2021
INC045-165-171-122035-
/O.EXP.KIND.SV.W.0069.000000T0000Z-210812T2030Z/
Fountain IN-Warren IN-Vermillion IN-
425 PM EDT Thu Aug 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN FOUNTAIN...
SOUTHWESTERN WARREN AND NORTHWESTERN VERMILLION COUNTIES WILL EXPIRE
AT 430 PM EDT...
The storm which prompted the warning has weakened below severe
limits. Therefore, the warning will be allowed to expire. However
gusty winds are still possible with this thunderstorm.
LAT...LON 4005 8753 4029 8753 4031 8726 4004 8725
TIME...MOT...LOC 2025Z 264DEG 23KT 4017 8735
$$
PumaThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 3:29 AM EDT | Heat Advisory | IND | Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more | 16 hr |
| Aug 12, 7:12 AM EDT | Special Weather Statement | IND | Warren | 48 min |
| Aug 12, 7:35 AM EDT | Severe Thunderstorm Warning | IND | Carroll, Clinton, Tippecanoe, Warren | 40 min |
| Aug 12, 4:31 PM EDT | Special Weather Statement | IND | Vermillion | 29 min |
| Aug 12, 5:05 PM EDT | Special Weather Statement | IND | Vigo | 25 min |
| Aug 12, 5:15 PM EDT | Severe Thunderstorm Warning | IND | Clay, Parke | 15 min |
| Aug 12, 6:06 PM EDT | Severe Thunderstorm Warning | IND | Clay, Greene, Sullivan | 24 min |
| Aug 12, 6:30 PM EDT | Severe Thunderstorm Warning | IND | Clay, Daviess, Greene, Knox, Owen, Sullivan | 45 min |
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.