Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 71, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 12, 2021, 6:06 PM EDT for Clay County, Greene County, Sullivan County, Indiana. It was in force for 24 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, 6:06 PM EDT (22:06 UTC)
- Expired
- Aug 12, 2021, 6:30 PM EDT
- In force
- 24 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clay County, IN, Greene County, IN, Sullivan County, IN
The radar
The Evansville,IN radar (KVWX), 96 km from the middle of the area, began a volume at 22:08 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, 10.1 hours before the alert went out and 152 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.
176
WUUS53 KIND 122206
SVRIND
INC021-055-153-122230-
/O.NEW.KIND.SV.W.0071.210812T2206Z-210812T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
606 PM EDT Thu Aug 12 2021
The National Weather Service in Indianapolis has issued a
* Severe Thunderstorm Warning for...
Sullivan County in southwestern Indiana...
Southwestern Clay County in west central Indiana...
Western Greene County in southwestern Indiana...
* Until 630 PM EDT.
* At 606 PM EDT, a severe thunderstorm was located over Sullivan, or
16 miles east of Robinson, moving southeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near...
Paxton around 615 PM EDT.
Dugger and Carlisle around 620 PM EDT.
Other locations in the path of this severe thunderstorm include
Pleasantville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3917 8764 3921 8758 3924 8758 3925 8759
3925 8755 3918 8705 3917 8705 3915 8685
3891 8721 3890 8724 3891 8753 3896 8751
3899 8758 3899 8756 3906 8757 3909 8762
3910 8762 3911 8765 3912 8763 3913 8766
TIME...MOT...LOC 2206Z 310DEG 27KT 3907 8744
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
TDUD1 follow-up statement
046
WWUS53 KIND 122218
SVSIND
Severe Weather Statement
National Weather Service Indianapolis IN
618 PM EDT Thu Aug 12 2021
INC021-055-153-122230-
/O.CON.KIND.SV.W.0071.000000T0000Z-210812T2230Z/
Sullivan IN-Clay IN-Greene IN-
618 PM EDT Thu Aug 12 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SULLIVAN...SOUTHWESTERN CLAY AND WESTERN GREENE COUNTIES...
At 618 PM EDT, a severe thunderstorm was located over Sullivan, or 18
miles east of Robinson, moving southeast at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Carlisle, Dugger, Linton and Pleasantville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3917 8764 3921 8758 3924 8758 3925 8759
3925 8755 3918 8705 3917 8705 3915 8685
3891 8721 3890 8724 3891 8753 3896 8751
3899 8758 3899 8756 3906 8757 3909 8762
3910 8762 3911 8765 3912 8763 3913 8766
TIME...MOT...LOC 2218Z 305DEG 18KT 3906 8741
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
TDUDThe 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, 4:00 PM EDT | Severe Thunderstorm Warning | IND | Fountain, Vermillion, Warren | 30 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, 6:30 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.