Alert archive / Wisconsin / Special Weather Statements in 2018
Special Weather Statement, NWS Milwaukee, WI
NWS Milwaukee, WI issued this special weather statement at Jul 13, 2018, 8:41 PM CDT for 7 counties in Wisconsin. It was in force for 49 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
- Jul 13, 2018, 8:41 PM CDT (01:41 UTC)
- Expired
- Jul 13, 2018, 9:30 PM CDT
- In force
- 49 min
- Issued by
- NWS Milwaukee, WI
Counties Kenosha County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI
The radar
The Milwaukee radar (KMKX), 49 km from the middle of the area, began a volume at 01:42 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.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.7 hours before the alert went out and 153 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
- 347 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 1099 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -41 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -2.1
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Milwaukee, WI wrote its last area forecast discussion before this special weather statement went out at Jul 13, 8:37 PM CDT, 4 minutes earlier.
Area forecast discussion, Jul 13, 8:37 PM CDT, 4 minutes before
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</html>Hazardous weather outlook, Jul 13, 1:45 PM CDT, 6 hours 56 minutes before
Hazardous Weather Outlook National Weather Service Milwaukee/Sullivan WI 145 PM CDT Fri Jul 13 2018 WIZ046-047-051-052-056>060-062>072-141845- Marquette-Green Lake-Fond Du Lac-Sheboygan-Sauk-Columbia-Dodge- Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee- Lafayette-Green-Rock-Walworth-Racine-Kenosha- 145 PM CDT Fri Jul 13 2018 This Hazardous Weather Outlook is for portions of east central Wisconsin, south central Wisconsin and southeast Wisconsin. .DAY ONE...This Afternoon and Tonight Thunderstorms are likely later this afternoon and tonight. There is a Slight risk of severe thunderstorms for most of southern Wisconsin, except the far southeast. There is a Marginal risk of severe storms from Port Washington, Waukesha, Janesville, and points east. The primary threats are damaging wind gusts and flash flooding and the severe risk timing is late this afternoon and evening. Heat Index values will rise to between 95 and 99 degrees this afternoon and early evening. An Air Quality Advisory has been issued by the Wisconsin Department of Natural Resources for ozone for Sheboygan, Ozaukee, Milwaukee, Racine, and Kenosha counties until 11 pm. .DAYS TWO THROUGH SEVEN...Saturday through Thursday The chance for thunderstorms continues on Saturday. The chance for thunderstorms continue at times from Saturday night through Monday with the best chance late Sunday night into Monday. Heat index values will approach the middle 90s in south central Wisconsin on Sunday. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon and evening. LMZ643>646-141845- Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 145 PM CDT Fri Jul 13 2018 This Hazardous Weather Outlook is for portions of Lake Michigan. .DAY ONE...This Afternoon and Tonight Thunderstorms are likely this evening. There is a small risk for a severe thunderstorm producing damaging winds. .DAYS TWO THROUGH SEVEN...Saturday through Thursday There is a chance for thunderstorms at times from Saturday through Monday. www.weather.gov/mkx
In the hours before
Special weather statement, Jul 13, 8:23 PM CDT, 18 minutes before
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</html>Local storm report, Jul 13, 8:24 PM CDT, 17 minutes before
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</html>Local storm report, Jul 13, 8:28 PM CDT, 13 minutes before
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</html>Local storm report, Jul 13, 8:38 PM CDT, 3 minutes before
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</html>Local storm report, Jul 13, 8:40 PM CDT, 1 minute before
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</html>Special weather statement, Jul 13, 8:41 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 7:04 PM CDT | Severe Thunderstorm Warning | MKX | Green | 41 min |
| Jul 13, 7:26 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Green Lake | 49 min |
| Jul 13, 7:29 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Rock | 61 min |
| Jul 13, 8:02 PM CDT | Special Weather Statement | MKX | Dodge | 43 min |
| Jul 13, 8:06 PM CDT | Special Weather Statement | MKX | Jefferson, Walworth | 39 min |
| Jul 13, 8:23 PM CDT | Special Weather Statement | MKX | Sheboygan | 37 min |
| Jul 13, 9:29 PM CDT | Special Weather Statement | MKX | Kenosha, Milwaukee, Ozaukee, Racine | 31 min |
| Jul 14, 6:47 AM CDT | Marine Dense Fog Advisory | MKX | 48 hr |
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.