Alert archive / Indiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 121, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Dec 10, 2021, 11:44 PM EST for 4 counties in Indiana. It was in force for 31 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
- Dec 10, 2021, 11:44 PM EST (04:44 UTC)
- Expired
- Dec 11, 2021, 12:15 AM EST
- In force
- 31 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fulton County, IN, Marshall County, IN, Pulaski County, IN, Starke County, IN
The radar
The Northern Indiana radar (KIWX), 86 km from the middle of the area, began a volume at 04:45 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 00:00Z, 4.7 hours before the alert went out and 196 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
- 119 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 357 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
746 WUUS53 KIWX 110444 SVRIWX INC049-099-131-149-110515- /O.NEW.KIWX.SV.W.0121.211211T0444Z-211211T0515Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Northern Indiana 1144 PM EST Fri Dec 10 2021 The National Weather Service in Northern Indiana has issued a * Severe Thunderstorm Warning for... Pulaski County in northwestern Indiana... Northwestern Fulton County in north central Indiana... Southern Starke County in northwestern Indiana... Southwestern Marshall County in north central Indiana... * Until 1215 AM EST/1115 PM CST/. * At 1144 PM EST/1044 PM CST/, a severe thunderstorm was located near Medaryville, or 10 miles southeast of Dunns Bridge, moving northeast at 75 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Knox, Winamac, North Judson, Culver, Francesville, Medaryville, Oak Grove, Ripley, Monterey, Leiters Ford, Beardstown, Ober, Denham, Hibbard, Clarks, Winona, Delong, Lake Bruce, Donaldson and Rutland. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4118 8693 4141 8640 4109 8630 4094 8693 TIME...MOT...LOC 0444Z 238DEG 70KT 4110 8684 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MARSILI
1 follow-up statement
318 WWUS53 KIWX 110500 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 1200 AM EST Sat Dec 11 2021 INC049-099-131-149-110515- /O.CON.KIWX.SV.W.0121.000000T0000Z-211211T0515Z/ Pulaski IN-Fulton IN-Starke IN-Marshall IN- 1200 AM EST Sat Dec 11 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EST/1115 PM CST/ FOR NORTHEASTERN PULASKI...NORTHWESTERN FULTON... SOUTHEASTERN STARKE AND SOUTHWESTERN MARSHALL COUNTIES... At 1200 AM EST/1100 PM CST/, a severe thunderstorm was located near Knox, moving northeast at 75 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Knox, Winamac, Culver, Oak Grove, Ripley, Monterey, Leiters Ford, Beardstown, Ober, Rutland, Vanmeter Park, Burr Oak, Maxinkuckee, Denham, Toto, Hibbard, Bruce Lake Station, Winona, Delong and Lake Bruce. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4141 8640 4109 8630 4098 8677 4128 8671 TIME...MOT...LOC 0500Z 236DEG 64KT 4126 8652 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MARSILI
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 10:58 PM EST | Severe Thunderstorm Warning | IWX | Pulaski, White | 32 min |
| Dec 10, 11:18 PM EST | Severe Thunderstorm Warning | IWX | LaPorte, Starke | 27 min |
| Dec 10, 11:22 PM EST | Severe Thunderstorm Warning | IWX | Fulton, Marshall, Pulaski, Starke | 38 min |
| Dec 10, 11:23 PM EST | Special Marine Warning | IWX | 37 min | |
| Dec 10, 11:47 PM EST | Severe Thunderstorm Warning | IWX | LaPorte, Saint Joseph | 28 min |
| Dec 10, 11:49 PM EST | Severe Thunderstorm Warning | IWX | Cass, Fulton, Pulaski, White | 26 min |
| Dec 11, 12:07 AM EST | Severe Thunderstorm Warning | IWX | Marshall | 23 min |
| Dec 11, 12:16 AM EST | Areal Flood Advisory | IWX | LaPorte, Marshall, Saint Joseph, Starke | 3 hr |
| Dec 11, 12:19 AM EST | Severe Thunderstorm Warning | IWX | Cass, Fulton, Grant, Miami, Pulaski, Wabash and 1 more | 56 min |
| Dec 11, 12:32 AM EST | Special Weather Statement | IWX | Kosciusko, Noble, Whitley | 28 min |
| Dec 11, 12:41 AM EST | Severe Thunderstorm Warning | IWX | Fulton, Kosciusko, Noble, Whitley | 34 min |
| Dec 11, 1:11 AM EST | Severe Thunderstorm Warning | IWX | Blackford, Grant, Huntington, Wabash, Wells | 49 min |
| Dec 11, 1:15 AM EST | Special Weather Statement | IWX | Allen, DeKalb, Huntington, Wabash, Whitley | 30 min |
| Dec 11, 1:33 AM EST | Severe Thunderstorm Warning | IWX | Adams, Blackford, Jay, Wells | 34 min |
| Dec 11, 2:43 AM EST | Special Weather Statement | IWX | Jay | 32 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.