Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 6, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 14, 2021, 12:50 PM CDT for Lafayette County, Wisconsin. It was in force for 40 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
- Jul 14, 2021, 12:50 PM CDT (17:50 UTC)
- Expired
- Jul 14, 2021, 1:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Lafayette County, WI
The radar
The Quad Cities radar (KDVN), 116 km from the middle of the area, began a volume at 17:53 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
Davenport, (KDVN), launched 12:00Z, 5.8 hours before the alert went out and 113 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
- 573 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1106 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted.
656 WUUS53 KMKX 141750 SVRMKX WIC065-141830- /O.NEW.KMKX.SV.W.0006.210714T1750Z-210714T1830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Milwaukee/Sullivan WI 1250 PM CDT Wed Jul 14 2021 The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Lafayette County in south central Wisconsin... * Until 130 PM CDT. * At 1250 PM CDT, severe thunderstorms were located along a line extending from 6 miles southeast of Belmont to near Scales Mound, moving east at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Darlington, Shullsburg, Benton, Argyle, Wiota, New Diggings, South Wayne, Fayette, Lamont, Gratiot, Calamine, Lead Mine, Yellowstone Lake St Park and Woodford. People attending The Lafayette County Fair in Darlington should seek safe shelter immediately! PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4251 9038 4271 9039 4280 8984 4251 8984 TIME...MOT...LOC 1750Z 264DEG 40KT 4268 9024 4252 9022 HAIL...0.75IN WIND...60MPH $$ CMILLER
1 follow-up statement
092 WWUS53 KMKX 141817 SVSMKX Severe Weather Statement National Weather Service Milwaukee/Sullivan WI 117 PM CDT Wed Jul 14 2021 WIC065-141830- /O.CON.KMKX.SV.W.0006.000000T0000Z-210714T1830Z/ Lafayette WI- 117 PM CDT Wed Jul 14 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR EASTERN LAFAYETTE COUNTY... At 117 PM CDT, severe thunderstorms were located along a line extending from Argyle to near Winslow, moving east at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Darlington, Argyle, Wiota, South Wayne, Fayette, Lamont, Gratiot, Yellowstone Lake St Park, Calamine and Woodford. People attending The Lafayette County Fair in Darlington should seek safe shelter immediately! PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4251 9017 4274 9018 4280 8984 4251 8984 TIME...MOT...LOC 1817Z 270DEG 40KT 4271 8984 4255 8982 HAIL...0.75IN WIND...60MPH $$ CMILLER
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 12:22 PM CDT | Special Weather Statement | MKX | Iowa, Lafayette, Sauk | 53 min |
| Jul 14, 1:15 PM CDT | Severe Thunderstorm Warning | MKX | Green, Lafayette | 45 min |
| Jul 14, 1:20 PM CDT | Special Weather Statement | MKX | Columbia, Dane | 55 min |
| Jul 14, 1:53 PM CDT | Special Weather Statement | MKX | Rock | 52 min |
| Jul 14, 2:36 PM CDT | Special Weather Statement | MKX | Jefferson, Walworth | 54 min |
| Jul 14, 3:15 PM CDT | Special Weather Statement | MKX | Kenosha, Milwaukee, Racine, Walworth, Waukesha | 60 min |
| Jul 14, 3:38 PM CDT | Special Weather Statement | MKX | Washington | 37 min |
| Jul 14, 4:04 PM CDT | Special Marine Warning | MKX | 26 min | |
| Jul 14, 4:15 PM CDT | Special Marine Warning | MKX | 60 min | |
| Jul 14, 5:08 PM CDT | Special Weather Statement | MKX | Sauk | 37 min |
| Jul 14, 5:16 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Sauk | 44 min |
| Jul 14, 5:45 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Fond du Lac, Green Lake, Marquette | 60 min |
| Jul 14, 6:29 PM CDT | Special Weather Statement | MKX | Fond du Lac | 61 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 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.