Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 59, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 24, 2021, 6:10 PM CDT for Rock County, Wisconsin. It was in force for 33 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, 6:10 PM CDT (23:10 UTC)
- Expired
- Aug 24, 2021, 6:43 PM CDT
- In force
- 33 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Rock County, WI
The radar
The Milwaukee radar (KMKX), 65 km from the middle of the area, began a volume at 23:12 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, 11.2 hours before the alert went out and 155 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.
183
WUUS53 KMKX 242310
SVRMKX
WIC105-250000-
/O.NEW.KMKX.SV.W.0059.210824T2310Z-210825T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Milwaukee/Sullivan WI
610 PM CDT Tue Aug 24 2021
The National Weather Service in Milwaukee/Sullivan has issued a
* Severe Thunderstorm Warning for...
Southeastern Rock County in south central Wisconsin...
* Until 700 PM CDT.
* At 609 PM CDT, a severe thunderstorm was located near Beloit,
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...
Beloit, Clinton, Newark, Tiffany, Shopiere and Foxhollow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4250 8924 4257 8924 4262 8886 4249 8882
TIME...MOT...LOC 2309Z 263DEG 22KT 4252 8915
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KUROSKI2 follow-up statements
094
WWUS53 KMKX 242325
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
625 PM CDT Tue Aug 24 2021
WIC105-250000-
/O.CON.KMKX.SV.W.0059.000000T0000Z-210825T0000Z/
Rock WI-
625 PM CDT Tue Aug 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR SOUTHEASTERN ROCK COUNTY...
At 624 PM CDT, a severe thunderstorm was located over Beloit, moving
east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Beloit, Clinton, Tiffany, Shopiere and Foxhollow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4250 8908 4258 8912 4262 8886 4249 8882
TIME...MOT...LOC 2324Z 263DEG 22KT 4253 8902
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KUROSKI966
WWUS53 KMKX 242343
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
643 PM CDT Tue Aug 24 2021
WIC105-242353-
/O.CAN.KMKX.SV.W.0059.000000T0000Z-210825T0000Z/
Rock WI-
643 PM CDT Tue Aug 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ROCK COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled. However gusty winds and heavy rain are still
possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central Wisconsin.
LAT...LON 4250 8908 4258 8912 4262 8886 4249 8882
TIME...MOT...LOC 2341Z 263DEG 22KT 4254 8886
$$
KUROSKIThe 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, 4:13 PM CDT | Severe Thunderstorm Warning | MKX | Lafayette | 32 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, 6:42 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.