Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 60, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jul 24, 2021, 6:24 PM CDT for 4 counties in Indiana. It was in force for 51 min. 3 reports 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
- Jul 24, 2021, 6:24 PM CDT (23:24 UTC)
- Expired
- Jul 24, 2021, 7:15 PM CDT
- In force
- 51 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties LaPorte County, IN, Marshall County, IN, Saint Joseph County, IN, Starke County, IN
The radar
The Northern Indiana radar (KIWX), 80 km from the middle of the area, began a volume at 23:26 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 |
|---|---|---|---|
| Jul 24, 6:50 PM CDT | TSTM WND DMG | 1 Ese Koontz Lake, IN | TREE DOWN AT 4B AND UNDERWOOD ROAD. |
| Jul 24, 6:54 PM CDT | TSTM WND DMG | 2 E Tyner, IN | REPORT OF A TREE DOWN ON QUINCE RD, SOUTH OF 4B ROAD. |
| Jul 24, 7:07 PM CDT | TSTM WND DMG | 3 W Toto, IN | TREE BLOWN DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 24, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.4 hours before the alert went out and 217 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
- 553 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 964 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
575 WUUS53 KIWX 242324 SVRIWX INC091-099-141-149-250015- /O.NEW.KIWX.SV.W.0060.210724T2324Z-210725T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Northern Indiana 724 PM EDT Sat Jul 24 2021 The National Weather Service in Northern Indiana has issued a * Severe Thunderstorm Warning for... Western St. Joseph County in north central Indiana... Starke County in northwestern Indiana... Marshall County in north central Indiana... La Porte County in northwestern Indiana... * Until 815 PM EDT/715 PM CDT/. * At 723 PM EDT/623 PM CDT/, severe thunderstorms were located along a line extending from near New Carlisle to near Lakes Of The Four Seasons, moving southeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... La Porte, Plymouth, Westville, Knox, Walkerton, North Liberty, Bourbon, North Judson, Argos, Kingsford Heights, Culver, Wanatah, Hamlet, La Crosse, Koontz Lake, Tippecanoe, Oak Grove, Hanna, La Paz and Kingsbury. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4154 8693 4170 8643 4121 8606 4117 8693 TIME...MOT...LOC 2323Z 336DEG 25KT 4169 8645 4141 8718 HAIL...<.75IN WIND...60MPH $$ MCS
1 follow-up statement
078 WWUS53 KIWX 242352 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 752 PM EDT Sat Jul 24 2021 INC091-099-141-149-250015- /O.CON.KIWX.SV.W.0060.000000T0000Z-210725T0015Z/ St. Joseph IN-Starke IN-Marshall IN-La Porte IN- 752 PM EDT Sat Jul 24 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT/715 PM CDT/ FOR SOUTHWESTERN ST. JOSEPH...STARKE...MARSHALL AND SOUTHERN LA PORTE COUNTIES... At 752 PM EDT/652 PM CDT/, severe thunderstorms were located along a line extending from near Lakeville to near Kouts, moving southeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Plymouth, Knox, Walkerton, Bourbon, North Judson, Argos, Culver, Hamlet, La Crosse, Koontz Lake, Tippecanoe, Oak Grove, Hanna, La Paz, Lomax, Ober, Teegarden, English Lake, Brems and Tyner. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4139 8693 4153 8630 4121 8606 4117 8693 TIME...MOT...LOC 2352Z 334DEG 24KT 4148 8633 4129 8709 HAIL...<.75IN WIND...60MPH $$ MCS
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 1:37 PM CDT | Special Weather Statement | IWX | DeKalb | 23 min |
| Jul 24, 4:05 PM CDT | Special Marine Warning | IWX | 85 min | |
| Jul 24, 5:49 PM CDT | Severe Thunderstorm Warning | IWX | LaPorte | 41 min |
| Jul 24, 6:17 PM CDT | Severe Thunderstorm Warning | IWX | Elkhart, Saint Joseph | 43 min |
| Jul 24, 6:48 PM CDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, Marshall, Saint Joseph | 57 min |
| Jul 24, 6:49 PM CDT | Severe Thunderstorm Warning | IWX | Elkhart, Kosciusko, Marshall, Saint Joseph | 56 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.