Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 86, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Oct 11, 2021, 9:30 PM EDT for Carroll County, Indiana. It was in force for 30 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
- Oct 11, 2021, 9:30 PM EDT (01:30 UTC)
- Expired
- Oct 11, 2021, 10:00 PM EDT
- In force
- 30 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Carroll County, IN
The radar
The Indianapolis radar (KIND), 104 km from the middle of the area, began a volume at 01:29 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 |
|---|---|---|---|
| Oct 11, 9:40 PM EDT | TSTM WND DMG | 3 E Cutler, IN | 10 TREES DOWNED ACROSS THE EASTERN PORTIONS OF THE COUNTY WITH NO SPECIFIC LOCATION NOTED. DELAYED REPORT WITH TIME AND LOCATION ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.5 hours before the alert went out and 187 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
- 10 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 743 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -150 m²/s²
- 0-3 km storm-relative helicity
- -158 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted.
563
WUUS53 KIND 120130
SVRIND
INC015-120200-
/O.NEW.KIND.SV.W.0086.211012T0130Z-211012T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
930 PM EDT Mon Oct 11 2021
The National Weather Service in Indianapolis has issued a
* Severe Thunderstorm Warning for...
Eastern Carroll County in north central Indiana...
* Until 1000 PM EDT.
* At 930 PM EDT, a severe thunderstorm was located 8 miles east of
Delphi, or 13 miles southwest of Logansport, moving north at 60
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
eastern Carroll County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4069 8652 4069 8637 4063 8637 4043 8639
4043 8659 4074 8660 4074 8653
TIME...MOT...LOC 0130Z 198DEG 52KT 4060 8651
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CP2 follow-up statements
389
WWUS53 KIND 120148
SVSIND
Severe Weather Statement
National Weather Service Indianapolis IN
948 PM EDT Mon Oct 11 2021
INC015-120200-
/O.CON.KIND.SV.W.0086.000000T0000Z-211012T0200Z/
Carroll IN-
948 PM EDT Mon Oct 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR EASTERN CARROLL COUNTY...
At 948 PM EDT, a severe thunderstorm was located 8 miles southwest of
Walton, or 9 miles south of Logansport, moving north at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Burlington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4069 8648 4069 8637 4063 8637 4043 8639
4043 8645
TIME...MOT...LOC 0148Z 199DEG 49KT 4061 8640
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CP311
WWUS53 KIND 120200
SVSIND
Severe Weather Statement
National Weather Service Indianapolis IN
1000 PM EDT Mon Oct 11 2021
INC015-120209-
/O.EXP.KIND.SV.W.0086.000000T0000Z-211012T0200Z/
Carroll IN-
1000 PM EDT Mon Oct 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CARROLL COUNTY WILL
EXPIRE AT 1000 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 4069 8648 4069 8637 4063 8637 4043 8639
4043 8645
TIME...MOT...LOC 0159Z 198DEG 52KT 4077 8633
$$
AWThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 9:10 PM EDT | Severe Thunderstorm Warning | IND | Boone, Clinton | 35 min |
| Oct 11, 9:18 PM EDT | Tornado Warning | IND | Clinton | 27 min |
| Oct 11, 9:37 PM EDT | Tornado Warning | IND | Carroll, Clinton, Howard | 26 min |
| Oct 11, 10:34 PM EDT | Special Weather Statement | IND | Bartholomew | 26 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.