Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 63, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 7, 2021, 5:42 PM EDT for Randolph County, Indiana. It was in force for 33 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 7, 2021, 5:42 PM EDT (21:42 UTC)
- Expired
- Aug 7, 2021, 6:15 PM EDT
- In force
- 33 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Randolph County, IN
The radar
The Cincinnati radar (KILN), 120 km from the middle of the area, began a volume at 21:43 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 7, 5:46 PM EDT | HAIL 1 | 3 N Lynn, IN | EMTS REPORT ZERO VISIBILITY WITH HAIL AS LARGE AS QUARTERS. THEY ARE PULLED OVER...UNABLE TO PROCEED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.7 hours before the alert went out and 121 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
- 815 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 973 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
289
WUUS53 KIND 072142
SVRIND
INC135-072215-
/O.NEW.KIND.SV.W.0063.210807T2142Z-210807T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
542 PM EDT Sat Aug 7 2021
The National Weather Service in Indianapolis has issued a
* Severe Thunderstorm Warning for...
Southeastern Randolph County in east central Indiana...
* Until 615 PM EDT.
* At 542 PM EDT, a severe thunderstorm was located near Winchester,
or 18 miles west of Greenville, moving southeast at 15 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* This severe thunderstorm will be near...
Lynn around 555 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4001 8498 4009 8507 4021 8492 4015 8481
4001 8481
TIME...MOT...LOC 2142Z 302DEG 15KT 4012 8496
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
$$
TDUD1 follow-up statement
068
WWUS53 KIND 072154
SVSIND
Severe Weather Statement
National Weather Service Indianapolis IN
554 PM EDT Sat Aug 7 2021
INC135-072215-
/O.CON.KIND.SV.W.0063.000000T0000Z-210807T2215Z/
Randolph IN-
554 PM EDT Sat Aug 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR SOUTHEASTERN RANDOLPH COUNTY...
At 553 PM EDT, a severe thunderstorm was located 7 miles south of
Winchester, or 16 miles west of Greenville, moving southeast at 15
mph.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
This severe thunderstorm will remain over mainly rural areas of
southeastern Randolph County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4001 8498 4009 8507 4021 8492 4015 8481
4001 8481
TIME...MOT...LOC 2153Z 306DEG 15KT 4007 8492
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
$$
TDUDThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 4:43 PM EDT | Severe Thunderstorm Warning | IND | Randolph | 47 min |
| Aug 7, 6:16 PM EDT | Severe Thunderstorm Warning | IND | Randolph | 34 min |
| Aug 7, 7:56 PM EDT | Severe Thunderstorm Warning | IND | Rush | 49 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.