Alert archive / Wisconsin / Special Weather Statements in 2017
Special Weather Statement, NWS Milwaukee, WI
NWS Milwaukee, WI issued this special weather statement at Jul 12, 2017, 1:02 PM CDT for Lafayette County, Wisconsin. It was in force for 28 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 12, 2017, 1:02 PM CDT (18:02 UTC)
- Expired
- Jul 12, 2017, 1:30 PM CDT
- In force
- 28 min
- Issued by
- NWS Milwaukee, WI
County Lafayette County, WI
The radar
The Quad Cities radar (KDVN), 119 km from the middle of the area, began a volume at 18:02 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 12:00Z, 6.0 hours before the alert went out and 116 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
- 1137 J/kg
- Mixed-layer CIN
- -248 J/kg
- Mixed-layer LCL
- 1424 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 273 m²/s²
- 0-3 km storm-relative helicity
- 267 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
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 12, 12:53 PM CDT, 9 minutes earlier.
Area forecast discussion, Jul 12, 12:53 PM CDT, 9 minutes before
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</html>Hazardous weather outlook, Jul 12, 11:22 AM CDT, 1 hour 40 minutes before
Hazardous Weather Outlook National Weather Service Milwaukee/Sullivan WI 1122 AM CDT Wed Jul 12 2017 WIZ046-047-051-052-056>060-062>072-131630- Marquette-Green Lake-Fond Du Lac-Sheboygan-Sauk-Columbia-Dodge- Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee- Lafayette-Green-Rock-Walworth-Racine-Kenosha- 1122 AM CDT Wed Jul 12 2017 This Hazardous Weather Outlook is for portions of east central Wisconsin, south central Wisconsin, and southeast Wisconsin. .DAY ONE...This Afternoon and Tonight Another round of scattered to numerous thunderstorms is expected from late afternoon through the evening hours. A few storms could be severe with damaging winds and large hail being the primary threats. A tornado or two is possible. There is a small threat of flash flooding with this new round of storms. The storms will be moving quickly which will limit the threat of flash flooding. The most susceptible area for flash flooding would be Walworth, Racine, and Kenosha Counties but also including any large urban areas over southern Wisconsin. The Heat Index is expected to climb into the 90s this afternoon and early evening. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday There is a chance of thunderstorms Thursday morning, Saturday night and Tuesday afternoon. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed later this afternoon and this evening. Rainfall and flooding reports are appreciated. LMZ643>646-131630- 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- 1122 AM CDT Wed Jul 12 2017 This Hazardous Weather Outlook is for portions of Lake Michigan. .DAY ONE...This Afternoon and Tonight Isolated thunderstorms will remain possible this afternoon but more scattered to numerous thunderstorms are expected this evening over the western near shore of Lake Michigan. Some of these storms could be severe with damaging winds and large hail. A waterspout cannot be ruled out. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday There is a chance of thunderstorms Thursday morning, Saturday night and again Tuesday afternoon. www.weather.gov/mkx MG
In the hours before
Local storm report, Jul 12, 10:43 AM CDT, 2 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1043 AM CDT WED JUL 12 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1000 AM HEAVY RAIN 3 ESE BOHNERS LAKE 42.61N 88.23W
07/12/2017 M7.75 INCH KENOSHA WI MESONET
NMSW3 RIVER GAUGE...NEW MUNSTER DCP.
&&Local storm report, Jul 12, 11:20 AM CDT, 1 hour 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1120 AM CDT WED JUL 12 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0730 AM HEAVY RAIN PADDOCK LAKE 42.57N 88.10W
07/12/2017 M4.54 INCH KENOSHA WI COCORAHS
&&Local storm report, Jul 12, 11:32 AM CDT, 1 hour 30 minutes before
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</html>Local storm report, Jul 12, 12:30 PM CDT, 32 minutes before
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</html>Special weather statement, Jul 12, 1:02 PM CDT, 0 minutes before
Special Weather Statement National Weather Service Milwaukee/Sullivan WI 102 PM CDT WED JUL 12 2017 WIZ067-068-121830- Green-Lafayette- 102 PM CDT WED JUL 12 2017 ...A STRONG THUNDERSTORM WILL AFFECT LAFAYETTE COUNTY... At 102 PM CDT, a strong thunderstorm was located near Belmont, or 10 miles southeast of Platteville, moving east at 50 mph. Winds in excess of 30 mph and dime size hail are possible with this storm. Locations impacted include... Darlington, Shullsburg, Belmont, Benton, Argyle, Somers, Wiota, South Wayne, Lamont, Gratiot, Lead Mine and Woodford. Torrential rainfall is also occurring with this storm, and may cause localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. LAT...LON 4257 9041 4274 9041 4276 8983 4255 8983 TIME...MOT...LOC 1802Z 271DEG 42KT 4265 9031 GAGAN
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 8:42 PM CDT | Special Weather Statement | MKX | Lafayette | 63 min |
| Jul 11, 9:03 PM CDT | River Flood Watch | MKX | Kenosha | 6 days |
| Jul 11, 9:20 PM CDT | Special Weather Statement | MKX | Iowa | 40 min |
| Jul 11, 9:50 PM CDT | Special Weather Statement | MKX | Iowa | 55 min |
| Jul 11, 10:01 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Green | 29 min |
| Jul 11, 10:20 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Rock | 40 min |
| Jul 12, 12:02 AM CDT | Special Weather Statement | MKX | Kenosha, Racine, Walworth | 58 min |
| Jul 12, 12:20 AM CDT | Flash Flood Warning | MKX | Kenosha, Racine, Walworth | 10 hr |
| Jul 12, 12:55 AM CDT | Special Weather Statement | MKX | Lafayette | 50 min |
| Jul 12, 1:14 AM CDT | Special Weather Statement | MKX | Walworth | 31 min |
| Jul 12, 1:33 AM CDT | Severe Thunderstorm Warning | MKX | Kenosha | 27 min |
| Jul 12, 1:34 AM CDT | Flash Flood Warning | MKX | Jefferson, Racine, Walworth, Waukesha | 3 hr |
| Jul 12, 3:26 AM CDT | River Flood Warning | MKX | Kenosha | 15 days |
| Jul 12, 4:25 AM CDT | River Flood Warning | MKX | Racine | 6 days |
| Jul 12, 4:41 AM CDT | River Flood Warning | MKX | Waukesha | 24 hr |
| Jul 12, 4:43 AM CDT | Special Weather Statement | MKX | Iowa | 32 min |
| Jul 12, 5:13 AM CDT | Special Weather Statement | MKX | Iowa | 32 min |
| Jul 12, 5:32 AM CDT | Special Weather Statement | MKX | Rock | 28 min |
| Jul 12, 5:55 AM CDT | Special Weather Statement | MKX | Columbia, Marquette, Sauk | 35 min |
| Jul 12, 5:59 AM CDT | Special Weather Statement | MKX | Racine | 46 min |
| Jul 12, 6:07 AM CDT | Special Weather Statement | MKX | Walworth | 23 min |
| Jul 12, 6:36 AM CDT | Special Weather Statement | MKX | Columbia, Sauk | 54 min |
| Jul 12, 7:01 AM CDT | Special Weather Statement | MKX | Columbia, Dane, Iowa, Sauk | 44 min |
| Jul 12, 7:06 AM CDT | Special Weather Statement | MKX | Kenosha, Racine | 54 min |
| Jul 12, 7:18 AM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Jefferson, Rock | 27 min |
| Jul 12, 7:32 AM CDT | Special Marine Warning | MKX | 88 min | |
| Jul 12, 7:40 AM CDT | Special Weather Statement | MKX | Green, Jefferson, Rock, Walworth | 35 min |
| Jul 12, 7:49 AM CDT | Areal Flood Advisory | MKX | Dane | 3 hr |
| Jul 12, 8:06 AM CDT | Special Weather Statement | MKX | Milwaukee, Waukesha | 39 min |
| Jul 12, 8:16 AM CDT | Areal Flood Advisory | MKX | Rock | 3 hr |
| Jul 12, 8:36 AM CDT | Special Weather Statement | MKX | Kenosha, Racine | 24 min |
| Jul 12, 10:07 AM CDT | Areal Flood Warning | MKX | Kenosha, Racine, Walworth | 6 hr |
| Jul 12, 10:21 AM CDT | River Flood Warning | MKX | Waukesha | 24 hr |
| Jul 12, 11:25 AM CDT | River Flood Warning | MKX | Rock | 17 hr |
| Jul 12, 4:18 PM CDT | River Flood Warning | MKX | Lafayette | 51 hr |
| Jul 12, 4:18 PM CDT | River Flood Warning | MKX | Rock | 51 hr |
| Jul 12, 4:22 PM CDT | River Flood Watch | MKX | Jefferson | 48 hr |
| Jul 12, 5:55 PM CDT | Areal Flood Warning | MKX | Kenosha, Racine, Walworth | 24 hr |
Nearby
Special Weather Statements in Wisconsin, 2017Every special weather statement in 2017
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.