Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 56, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 24, 2021, 4:13 PM CDT for Lafayette County, Wisconsin. It was in force for 32 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 24, 2021, 4:13 PM CDT (21:13 UTC)
- Expired
- Aug 24, 2021, 4:45 PM CDT
- In force
- 32 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Lafayette County, WI
The radar
The Quad Cities radar (KDVN), 117 km from the middle of the area, began a volume at 21:16 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 24, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 9.2 hours before the alert went out and 114 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
- 1809 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 1284 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
779
WUUS53 KMKX 242113
SVRMKX
WIC065-242145-
/O.NEW.KMKX.SV.W.0056.210824T2113Z-210824T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Milwaukee/Sullivan WI
413 PM CDT Tue Aug 24 2021
The National Weather Service in Milwaukee/Sullivan has issued a
* Severe Thunderstorm Warning for...
Southeastern Lafayette County in south central Wisconsin...
* Until 445 PM CDT.
* At 413 PM CDT, a severe thunderstorm was located near Darlington,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Darlington, Shullsburg, Argyle, Wiota, South Wayne, Lamont, Gratiot
and Woodford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4251 9023 4270 9021 4275 8984 4251 8984
TIME...MOT...LOC 2113Z 275DEG 23KT 4264 9005
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PATTERSON1 follow-up statement
263
WWUS53 KMKX 242125
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
425 PM CDT Tue Aug 24 2021
WIC065-242145-
/O.CON.KMKX.SV.W.0056.000000T0000Z-210824T2145Z/
Lafayette WI-
425 PM CDT Tue Aug 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR SOUTHEASTERN LAFAYETTE COUNTY...
At 425 PM CDT, a severe thunderstorm was located near Argyle, or 9
miles east of Darlington, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Darlington, Shullsburg, Argyle, Wiota, South Wayne, Lamont, Gratiot
and Woodford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4251 9023 4270 9021 4275 8984 4251 8984
TIME...MOT...LOC 2125Z 270DEG 23KT 4263 8995
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PATTERSONThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 11:52 AM CDT | Special Weather Statement | MKX | Green Lake, Marquette | 23 min |
| Aug 24, 12:01 PM CDT | Special Weather Statement | MKX | Fond du Lac | 14 min |
| Aug 24, 12:53 PM CDT | Special Marine Warning | MKX | 97 min | |
| Aug 24, 1:06 PM CDT | Special Weather Statement | MKX | Sheboygan | 24 min |
| Aug 24, 2:28 PM CDT | Special Marine Warning | MKX | 62 min | |
| Aug 24, 3:03 PM CDT | Special Marine Warning | MKX | 57 min | |
| Aug 24, 3:18 PM CDT | Special Weather Statement | MKX | Green | 27 min |
| Aug 24, 3:32 PM CDT | Special Weather Statement | MKX | Jefferson | 28 min |
| Aug 24, 3:35 PM CDT | Special Weather Statement | MKX | Lafayette | 25 min |
| Aug 24, 3:44 PM CDT | Tornado Warning | MKX | Lafayette | 31 min |
| Aug 24, 4:18 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 27 min |
| Aug 24, 4:39 PM CDT | Severe Thunderstorm Warning | MKX | Lafayette | 47 min |
| Aug 24, 4:43 PM CDT | Special Weather Statement | MKX | Walworth | 32 min |
| Aug 24, 4:56 PM CDT | Special Weather Statement | MKX | Green | 34 min |
| Aug 24, 5:28 PM CDT | Special Weather Statement | MKX | Green | 47 min |
| Aug 24, 5:47 PM CDT | Special Weather Statement | MKX | Rock | 58 min |
| Aug 24, 6:10 PM CDT | Severe Thunderstorm Warning | MKX | Rock | 33 min |
| Aug 24, 6:42 PM CDT | Special Weather Statement | MKX | Walworth | 48 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.