Alert archive / Wisconsin / Special Weather Statements in 2018
Special Weather Statement, NWS Green Bay, WI
NWS Green Bay, WI issued this special weather statement at Aug 26, 2018, 8:00 PM CDT for Calumet County, Wisconsin. It was in force for 45 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 26, 2018, 8:00 PM CDT (01:00 UTC)
- Expired
- Aug 26, 2018, 8:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Green Bay, WI
County Calumet County, WI
The radar
The Green Bay radar (KGRB), 63 km from the middle of the area, began a volume at 01:02 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.0 hours before the alert went out and 62 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
- 103 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 894 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Green Bay, WI wrote its last area forecast discussion before this special weather statement went out at Aug 26, 7:02 PM CDT, 58 minutes earlier.
Area forecast discussion, Aug 26, 7:02 PM CDT, 58 minutes before
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</html>Hazardous weather outlook, Aug 26, 3:23 PM CDT, 4 hours 37 minutes before
Hazardous Weather Outlook National Weather Service Green Bay WI 323 PM CDT Sun Aug 26 2018 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-272030- 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- 323 PM CDT Sun Aug 26 2018 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Tonight There is a slight risk of severe storms over most of the area tonight. The primary concerns with these storms are damaging winds and large hail. Torrential rainfall could lead to localized flooding. .DAYS TWO THROUGH SEVEN...Monday through Sunday There is a slight risk of severe storms across the area Monday into Monday night. The primary concerns with these storms are damaging winds and large hail. Torrential rainfall could lead to flooding, especially in locations that receive heavy rain with tonight's storms. Large waves may result in dangerous currents and hazardous swimming conditions on Lake Michigan beaches on Monday. There is a marginal risk of severe storms, mainly in central and east-central Wisconsin Tuesday afternoon and evening. Damaging winds and large hail are the main concerns with these storms. Heavy rainfall and flooding remain a concern with any of these thunderstorms. There is another chance for thunderstorms late Friday into Saturday. It is too early to determine their severe potential. .SPOTTER INFORMATION STATEMENT... Spotters activation may be needed tonight. Spotters are also requested to report any flooding to the National Weather Service in Green Bay. LMZ521-522-541>543-272030- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 323 PM CDT Sun Aug 26 2018 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Tonight There is a chance of thunderstorms at times tonight. Some of these storms could be strong or severe. Conditions hazardous to small craft are possible late tonight, especially across the nearshore waters of Lake Michigan, due to increasing southerly winds and waves. .DAYS TWO THROUGH SEVEN...Monday through Sunday There is a chance of thunderstorms at times Monday through Tuesday night. Some of these storms could be strong or severe. Thunderstorms are possible again Friday night into next weekend. Conditions hazardous to small craft are possible Monday and Monday night, especially across the nearshore waters of Lake Michigan, due to increasing south to southwesterly winds and waves. RDM/AK
In the hours before
Local storm report, Aug 26, 5:31 PM CDT, 2 hours 29 minutes before
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</html>Special weather statement, Aug 26, 6:43 PM CDT, 1 hour 17 minutes before
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</html>Special weather statement, Aug 26, 8:00 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 4:47 AM CDT | Special Weather Statement | GRB | Lincoln, Marathon | 43 min |
| Aug 27, 5:26 AM CDT | Special Weather Statement | GRB | Marathon | 49 min |
| Aug 27, 3:31 PM CDT | Marine Dense Fog Advisory | GRB | 9 hr | |
| Aug 27, 5:26 PM CDT | Special Weather Statement | GRB | Vilas | 79 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.