Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 68, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Aug 6, 2021, 5:47 PM CDT for LaPorte County, Starke County, Indiana. It was in force for 28 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 6, 2021, 5:47 PM CDT (22:47 UTC)
- Expired
- Aug 6, 2021, 6:15 PM CDT
- In force
- 28 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties LaPorte County, IN, Starke County, IN
The radar
The Northern Indiana radar (KIWX), 81 km from the middle of the area, began a volume at 22:50 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, 10.8 hours before the alert went out and 206 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
- 516 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1007 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
983 WUUS53 KIWX 062247 SVRIWX INC091-149-062315- /O.NEW.KIWX.SV.W.0068.210806T2247Z-210806T2315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Northern Indiana 547 PM CDT Fri Aug 6 2021 The National Weather Service in Northern Indiana has issued a * Severe Thunderstorm Warning for... Starke County in northwestern Indiana... South central La Porte County in northwestern Indiana... * Until 615 PM CDT. * At 547 PM CDT, a severe thunderstorm was located near Knox, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Knox, North Judson, Hamlet, Koontz Lake, Oak Grove, Toto, Ober, Winona, Bass Lake, Brems and Grovertown. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4120 8679 4138 8681 4143 8647 4121 8647 TIME...MOT...LOC 2247Z 264DEG 23KT 4131 8671 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ NWS
2 follow-up statements
939
WWUS53 KIWX 062259
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
559 PM CDT Fri Aug 6 2021
INC091-062309-
/O.CAN.KIWX.SV.W.0068.000000T0000Z-210806T2315Z/
La Porte IN-
559 PM CDT Fri Aug 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LA PORTE COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4122 8676 4136 8670 4143 8647 4121 8647
TIME...MOT...LOC 2259Z 261DEG 16KT 4130 8655
$$
INC149-062315-
/O.CON.KIWX.SV.W.0068.000000T0000Z-210806T2315Z/
Starke IN-
559 PM CDT Fri Aug 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR EASTERN STARKE COUNTY...
At 559 PM CDT, a severe thunderstorm was located near Knox, moving
east at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Knox, Hamlet, Koontz Lake, Oak Grove, Toto, Ober, Winona, Brems,
Grovertown and Bass Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4122 8676 4136 8670 4143 8647 4121 8647
TIME...MOT...LOC 2259Z 261DEG 16KT 4130 8655
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
NWS129
WWUS53 KIWX 062314
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
614 PM CDT Fri Aug 6 2021
INC149-062324-
/O.EXP.KIWX.SV.W.0068.000000T0000Z-210806T2315Z/
Starke IN-
614 PM CDT Fri Aug 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN STARKE COUNTY WILL
EXPIRE AT 615 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 4122 8676 4136 8670 4143 8647 4121 8647
TIME...MOT...LOC 2314Z 264DEG 23KT 4131 8644
$$
NWSThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 5:34 PM CDT | Special Weather Statement | IWX | Starke | 41 min |
| Aug 6, 6:05 PM CDT | Special Weather Statement | IWX | Marshall | 55 min |
| Aug 6, 6:17 PM CDT | Special Weather Statement | IWX | Elkhart | 43 min |
| Aug 6, 6:29 PM CDT | Areal Flood Advisory | IWX | Elkhart, Saint Joseph | 3 hr |
| Aug 6, 6:50 PM CDT | Special Weather Statement | IWX | Kosciusko | 40 min |
| Aug 6, 6:56 PM CDT | Special Weather Statement | IWX | Steuben | 34 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.