Alert archive / Wisconsin / Special Weather Statements in 2018
Special Weather Statement, NWS Milwaukee, WI
NWS Milwaukee, WI issued this special weather statement at Sep 2, 2018, 1:07 AM CDT for Dane County, Sauk County, Wisconsin. It was in force for 23 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
- Sep 2, 2018, 1:07 AM CDT (06:07 UTC)
- Expired
- Sep 2, 2018, 1:30 AM CDT
- In force
- 23 min
- Issued by
- NWS Milwaukee, WI
Counties Dane County, WI, Sauk County, WI
The radar
The La Crosse radar (KARX), 119 km from the middle of the area, began a volume at 06:09 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 00:00Z, 6.1 hours before the alert went out and 179 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
- 1803 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1189 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 6.9
The text
As transmitted.
489
WWUS83 KMKX 020607
SPSMKX
Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
107 AM CDT SUN SEP 2 2018
WIZ056-057-062-063-020630-
Columbia-Iowa-Sauk-Dane-
107 AM CDT SUN SEP 2 2018
...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN IOWA...
SOUTHERN COLUMBIA...CENTRAL SAUK AND DANE COUNTIES...
At 106 AM CDT, strong thunderstorms were clustered over Mount Horeb,
moving northeast at 40 mph.
Wind gusts up to 50 mph are possible with this storm.
Locations impacted include...
Madison, Sun Prairie, Stoughton, Verona, McFarland, Mount Horeb,
Windsor, Edgerton, Prairie Du Sac, Marshall, Sauk City, Lake
Wisconsin, Deforest, Cottage Grove and Cross Plains.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.
LAT...LON 4320 9043 4321 9029 4317 9019 4352 9019
4330 8901 4285 8901 4305 9043
TIME...MOT...LOC 0606Z 204DEG 35KT 4305 8976
$$
MRCThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 11:53 PM CDT | Special Weather Statement | MKX | Green, Lafayette, Rock, Walworth | 52 min |
| Sep 2, 12:32 AM CDT | Special Weather Statement | MKX | Green, Iowa, Lafayette, Rock, Walworth | 43 min |
| Sep 2, 4:47 AM CDT | River Flood Watch | MKX | Green Lake | 6 days |
| Sep 2, 2:44 PM CDT | Special Weather Statement | MKX | Fond du Lac | 31 min |
| Sep 2, 2:52 PM CDT | Special Weather Statement | MKX | Lafayette | 23 min |
| Sep 2, 3:15 PM CDT | Special Weather Statement | MKX | Columbia | 30 min |
| Sep 2, 3:21 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 24 min |
| Sep 2, 3:32 PM CDT | Special Weather Statement | MKX | Dane | 28 min |
| Sep 2, 3:36 PM CDT | Areal Flood Advisory | MKX | Dane, Green, Iowa, Lafayette | 2 hr |
| Sep 2, 3:57 PM CDT | Special Weather Statement | MKX | Lafayette | 33 min |
| Sep 2, 4:20 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 40 min |
| Sep 2, 4:24 PM CDT | Special Weather Statement | MKX | Dane | 36 min |
| Sep 2, 4:39 PM CDT | Areal Flood Advisory | MKX | Columbia, Dane, Dodge, Green, Iowa, Jefferson and 1 more | 3 hr |
| Sep 2, 4:49 PM CDT | Special Marine Warning | MKX | 25 min | |
| Sep 2, 4:58 PM CDT | Areal Flood Advisory | MKX | Dodge, Fond du Lac, Ozaukee, Sheboygan, Washington | 3 hr |
| Sep 2, 5:17 PM CDT | Special Weather Statement | MKX | Dane | 58 min |
| Sep 2, 5:35 PM CDT | Areal Flood Advisory | MKX | Dane, Dodge, Green, Jefferson, Lafayette, Rock and 1 more | 3 hr |
| Sep 2, 5:37 PM CDT | Special Weather Statement | MKX | Green | 23 min |
Nearby
Special Weather Statements in Wisconsin, 2018Every special weather statement in 2018
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.