Severe Thunderstorm Warning 27, NWS Milwaukee, WI

Issued

Aug 6, 2021, 7:38 PM CDT (00:38 UTC)

Expired

Aug 6, 2021, 8:15 PM CDT

In force

37 min

Issued by

NWS Milwaukee, WI

Area

Storm-based polygon

Hail

1.0 in

Wind

60.0 mph

County Jefferson County, WI

The Milwaukee radar (KMKX), 16 km from the middle of the area, began a volume at 00:42 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.

823 
WUUS53 KMKX 070038
SVRMKX
WIC055-070115-
/O.NEW.KMKX.SV.W.0027.210807T0038Z-210807T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Milwaukee/Sullivan WI
738 PM CDT Fri Aug 6 2021

The National Weather Service in Milwaukee/Sullivan has issued a

* Severe Thunderstorm Warning for...
  Southeastern Jefferson County in southeastern Wisconsin...

* Until 815 PM CDT.

* At 737 PM CDT, a severe thunderstorm was located over Fort
  Atkinson, and is nearly stationary.

  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...
  Whitewater, Fort Atkinson, Jefferson, Palmyra and Hebron. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4292 8890 4300 8880 4293 8854 4286 8854
      4284 8858 4284 8877
TIME...MOT...LOC 0037Z 284DEG 4KT 4293 8879 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

CMILLER

116 
WWUS53 KMKX 070108
SVSMKX

Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
808 PM CDT Fri Aug 6 2021

WIC055-070116-
/O.EXP.KMKX.SV.W.0027.000000T0000Z-210807T0115Z/
Jefferson WI-
808 PM CDT Fri Aug 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JEFFERSON COUNTY
WILL EXPIRE AT 815 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.  However heavy 
rain is still possible with this thunderstorm and an estimated 1 to 
2 inches have fallen already. A Flood advisory remains in effect for 
much of southern Jefferson County.

LAT...LON 4292 8890 4300 8880 4293 8854 4286 8854
      4284 8858 4284 8877
TIME...MOT...LOC 0106Z 270DEG 4KT 4292 8875 

$$

CMILLER

Severe Thunderstorm Warnings in Wisconsin, 2021Every severe thunderstorm warning in 2021

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.