Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 63, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 27, 2021, 4:44 PM CDT for Dodge County, Washington County, Wisconsin. It was in force for 46 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 27, 2021, 4:44 PM CDT (21:44 UTC)
- Expired
- Aug 27, 2021, 5:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Dodge County, WI, Washington County, WI
The radar
The Milwaukee radar (KMKX), 58 km from the middle of the area, began a volume at 21:43 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.7 hours before the alert went out and 118 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 733 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
124
WUUS53 KMKX 272144
SVRMKX
WIC027-131-272230-
/O.NEW.KMKX.SV.W.0063.210827T2144Z-210827T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Milwaukee/Sullivan WI
444 PM CDT Fri Aug 27 2021
The National Weather Service in Milwaukee/Sullivan has issued a
* Severe Thunderstorm Warning for...
Northern Washington County in southeastern Wisconsin...
East central Dodge County in southeastern Wisconsin...
* Until 530 PM CDT.
* At 444 PM CDT, a severe thunderstorm was located near Theresa, or 7
miles southeast of Mayville, 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...
West Bend, Jackson, Slinger, Kewaskum, Theresa, Newburg, Addison,
Woodland, Wayne, Nenno, Fillmore, Boltonville, Allenton, Keowns,
Nabob, Saint Lawrence and Kohlsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4337 8806 4332 8807 4337 8852 4352 8853
4355 8836 4354 8806 4337 8805
TIME...MOT...LOC 2144Z 264DEG 20KT 4344 8841
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CMILLER2 follow-up statements
501
WWUS53 KMKX 272211
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
511 PM CDT Fri Aug 27 2021
WIC027-272220-
/O.CAN.KMKX.SV.W.0063.000000T0000Z-210827T2230Z/
Dodge WI-
511 PM CDT Fri Aug 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL DODGE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4337 8805 4337 8806 4332 8807 4336 8842
4337 8842 4337 8840 4354 8840 4355 8838
4354 8806
TIME...MOT...LOC 2210Z 264DEG 20KT 4346 8821
$$
WIC131-272230-
/O.CON.KMKX.SV.W.0063.000000T0000Z-210827T2230Z/
Washington WI-
511 PM CDT Fri Aug 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHERN WASHINGTON COUNTY...
At 510 PM CDT, a severe thunderstorm was located over West Bend,
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...
West Bend, Jackson, Slinger, Kewaskum, Newburg, Addison, Wayne,
Nenno, Fillmore, Boltonville, Allenton, Keowns, Nabob, Saint Lawrence
and Kohlsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4337 8805 4337 8806 4332 8807 4336 8842
4337 8842 4337 8840 4354 8840 4355 8838
4354 8806
TIME...MOT...LOC 2210Z 264DEG 20KT 4346 8821
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CMILLER177
WWUS53 KMKX 272225
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
525 PM CDT Fri Aug 27 2021
WIC131-272234-
/O.EXP.KMKX.SV.W.0063.000000T0000Z-210827T2230Z/
Washington WI-
525 PM CDT Fri Aug 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WASHINGTON COUNTY
WILL EXPIRE AT 530 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. Heavy rain and
some locally gusty winds below severe criteria may still be possible
as the storm continues.
LAT...LON 4337 8805 4337 8806 4332 8807 4336 8842
4337 8842 4337 8840 4354 8840 4355 8838
4354 8806
TIME...MOT...LOC 2224Z 264DEG 20KT 4347 8812
$$
CMILLERThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 8:57 AM CDT | Severe Thunderstorm Warning | MKX | Dane, Iowa, Sauk | 48 min |
| Aug 27, 9:02 AM CDT | Special Weather Statement | MKX | Dodge | 43 min |
| Aug 27, 9:27 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Sauk | 48 min |
| Aug 27, 10:05 AM CDT | Areal Flood Advisory | MKX | Columbia, Sauk | 75 min |
| Aug 27, 10:08 AM CDT | Special Weather Statement | MKX | Columbia | 52 min |
| Aug 27, 10:47 AM CDT | Special Weather Statement | MKX | Dodge, Fond du Lac | 43 min |
| Aug 27, 11:19 AM CDT | Special Weather Statement | MKX | Fond du Lac | 41 min |
| Aug 27, 11:59 AM CDT | Special Weather Statement | MKX | Sheboygan | 31 min |
| Aug 27, 2:46 PM CDT | Special Weather Statement | MKX | Fond du Lac | 44 min |
| Aug 27, 3:24 PM CDT | Special Weather Statement | MKX | Sheboygan | 51 min |
| Aug 27, 4:01 PM CDT | Special Weather Statement | MKX | Dodge | 59 min |
| Aug 27, 4:07 PM CDT | Severe Thunderstorm Warning | MKX | Sheboygan | 26 min |
| Aug 27, 4:09 PM CDT | Special Marine Warning | MKX | 66 min | |
| Aug 27, 4:35 PM CDT | Special Weather Statement | MKX | Washington | 25 min |
| Aug 27, 5:28 PM CDT | Special Weather Statement | MKX | Washington | 47 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.