Alert archive / Wisconsin / Special Weather Statements in 2017
Special Weather Statement, NWS Green Bay, WI
NWS Green Bay, WI issued this special weather statement at Jun 18, 2017, 4:36 AM CDT for Calumet County, Wisconsin. It was in force for 24 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
- Jun 18, 2017, 4:36 AM CDT (09:36 UTC)
- Expired
- Jun 18, 2017, 5:00 AM CDT
- In force
- 24 min
- Issued by
- NWS Green Bay, WI
County Calumet County, WI
The radar
The Green Bay radar (KGRB), 41 km from the middle of the area, began a volume at 09:39 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
Detroit, MI (KDTX), launched 00:00Z, 9.6 hours before the alert went out and 402 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
- 787 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1630 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 5.0
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 Green Bay, WI wrote its last area forecast discussion before this special weather statement went out at Jun 18, 4:04 AM CDT, 32 minutes earlier.
Area forecast discussion, Jun 18, 4:04 AM CDT, 32 minutes before
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</html>Hazardous weather outlook, Jun 18, 4:27 AM CDT, 9 minutes before
Hazardous Weather Outlook National Weather Service Green Bay WI 427 AM CDT Sun Jun 18 2017 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-190930- Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County- Southern Oconto County- 427 AM CDT Sun Jun 18 2017 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Today and Tonight There is a chance of thunderstorms across the region today and early tonight. Severe weather is not expected, but some storms will produce small hail and heavy downpours. Due to recent heavy rains, many streams and rivers are flowing faster than normal, and a few are above flood stage. Boaters and fishermen should use caution due to fast flows. .DAYS TWO THROUGH SEVEN...Monday through Saturday Thunderstorms are possible again Monday afternoon, and may produce small hail. Thunderstorms are expected at times through the rest of the period, especially during the afternoon hours. However, it is too early to determine their severe potential. .SPOTTER INFORMATION STATEMENT... Spotter activation should not be needed today or tonight. LMZ521-522-541>543-190930- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 427 AM CDT Sun Jun 18 2017 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Today and Tonight There is a chance of thunderstorms today and early tonight. The strongest storms may produce small hail and heavy downpours. .DAYS TWO THROUGH SEVEN...Monday through Saturday Thunderstorms will be possible at times through much of the period. These storms may pose a hazard to mariners. Kieckbusch/MG
In the hours before
Special weather statement, Jun 18, 4:36 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Green Bay WI
436 AM CDT SUN JUN 18 2017
WIZ049-050-181000-
Calumet WI-Manitowoc WI-
436 AM CDT SUN JUN 18 2017
...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL CALUMET AND
NORTHWESTERN MANITOWOC COUNTIES UNTIL 500 AM CDT...
At 435 AM CDT, Doppler radar was tracking a strong thunderstorm near
Chilton, or 19 miles southeast of Appleton, moving northeast at 30
mph.
Pea size hail and winds in excess of 40 mph will be possible with
this storm. Radar was also showing weak rotation with this storm, so
a funnel cloud is possible.
This strong thunderstorm will be near...
Brillion around 445 AM CDT.
Other locations impacted by this storm include Killsnake Wildlife
Area, Cato, Reedsville, Grimms, Taus, Menchalville, Collins, Maple
Grove, Potter and Wells.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 4399 8813 4410 8823 4424 8797 4424 8789
4425 8789 4412 8782
TIME...MOT...LOC 0935Z 232DEG 25KT 4408 8811
KieckbuschThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 4:49 AM CDT | Special Marine Warning | GRB | 41 min | |
| Jun 18, 9:09 AM CDT | Small Craft Advisory | GRB | 10 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.