Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 18, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Jul 25, 2023, 5:59 PM CDT for Marinette County, Wisconsin. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 25, 2023, 5:59 PM CDT (22:59 UTC)
- Expired
- Jul 25, 2023, 6:33 PM CDT
- In force
- 34 min
- Issued by
- NWS Green Bay, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Marinette County, WI
The radar
The Green Bay radar (KGRB), 95 km from the middle of the area, began a volume at 22:59 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
Minneapolis, MN (KMPX), launched 12:00Z, 11.0 hours before the alert went out and 443 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
- 187 J/kg
- Mixed-layer CIN
- -145 J/kg
- Mixed-layer LCL
- 1396 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 25, 4:22 PM CDT, 1 hour 37 minutes earlier.
Area forecast discussion, Jul 25, 4:22 PM CDT, 1 hour 37 minutes before
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</html>Hazardous weather outlook, Jul 25, 2:45 PM CDT, 3 hours 14 minutes before
Hazardous Weather Outlook National Weather Service Green Bay WI 245 PM CDT Tue Jul 25 2023 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-261945- 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- 245 PM CDT Tue Jul 25 2023 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...This Afternoon and Tonight Isolated thunderstorms are possble through early this evening. A strong storm is possible that may produce brief gusty winds to 40 mph, brief heavy rain and small hail. An Air Quality Advisory remains in effect until 11 PM for far eastern WI due to areas of smoke from wildfires in western Canada. People with heart or lung disease should reduce prolonged or heavy exertion outside until the smoke diminishes. .DAYS TWO THROUGH SEVEN...Wednesday through Monday A round of thunderstorms is expected Wedneday morning and early afternoon, especially across central and east central WI. Strong storms with heavy rain and gusty winds are the main threats. There is a chance of thunderstorms at times throughout the week. Isolated strong to near severe storms are possible on Wednesday south of a Wisconsin Rapids to Appleton to Kewaunee line. Very warm temperatures and increasing humidity are expected during on Thursday. Heat index values could approach 100 degrees on Thursday afternoon. If you have outdoor plans, be prepared for very warm and humid conditions. .SPOTTER INFORMATION STATEMENT... Formal spotter activation will not be needed this afternoon or tonight. LMZ521-522-541>543-261945- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 245 PM CDT Tue Jul 25 2023 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...This Afternoon and Tonight An isolated thunderstorm is possible into early this evening which could contain brief gusty winds and small hail that would pose a hazard to mariners. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Thunderstorms are possible at times this week which could pose a hazard to mariners. Bersch
In the hours before
Special weather statement, Jul 25, 4:16 PM CDT, 1 hour 43 minutes before
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</html>Special weather statement, Jul 25, 5:42 PM CDT, 17 minutes before
Special Weather Statement
National Weather Service Green Bay WI
542 PM CDT Tue Jul 25 2023
WIZ019-021-073-252315-
Southern Marinette County WI-Langlade WI-Northern Oconto County WI-
542 PM CDT Tue Jul 25 2023
...A strong thunderstorm will impact portions of southern Marinette,
northern Oconto and east central Langlade Counties through 615 PM
CDT...
At 541 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Carter, or 21 miles southeast of Crandon, moving
southeast at 25 mph.
HAZARD...Winds in excess of 30 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This strong thunderstorm will be near...
Gardner Dam Scout Camp around 605 PM CDT.
Mountain and Bear Paw Scout Camp around 615 PM CDT.
Other locations impacted by this storm include Boot Lake Campground,
Townsend, Caldron Falls Reservoir, Governor Thompson State Park,
White Potato Lake, Boulder Lake Campground, Hollister, Crooked Lake,
Langlade and Lily.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4537 8813 4510 8814 4512 8867 4528 8887
4538 8867
TIME...MOT...LOC 2241Z 321DEG 20KT 4529 8869
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
BerschSpecial weather statement, Jul 25, 5:49 PM CDT, 10 minutes before
Special Weather Statement
National Weather Service Green Bay WI
549 PM CDT Tue Jul 25 2023
WIZ073-252330-
Southern Marinette County WI-
549 PM CDT Tue Jul 25 2023
...A strong thunderstorm will impact portions of southern Marinette
County through 630 PM CDT...
At 548 PM CDT, Doppler radar was tracking a strong thunderstorm over
Crivitz, or 21 miles northwest of Marinette, moving southeast at 15
mph.
HAZARD...Winds in excess of 30 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This strong thunderstorm will be near...
Pound around 630 PM CDT.
Other locations impacted by this storm include Beaver, Loomis, Middle
Inlet, Lake Noquebay, Porterfield and Coleman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4507 8792 4508 8812 4511 8812 4511 8819
4520 8819 4520 8820 4528 8820 4534 8802
4534 8792 4519 8774
TIME...MOT...LOC 2248Z 336DEG 11KT 4524 8803
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
BerschThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 4:16 PM CDT | Special Weather Statement | GRB | Forest | 44 min |
| Jul 25, 4:38 PM CDT | Special Weather Statement | GRB | Winnebago | 52 min |
| Jul 25, 4:56 PM CDT | Special Weather Statement | GRB | Marinette | 49 min |
| Jul 25, 5:19 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 28 min |
| Jul 25, 5:40 PM CDT | Special Weather Statement | GRB | Forest | 50 min |
| Jul 25, 5:42 PM CDT | Special Weather Statement | GRB | Menominee | 33 min |
| Jul 25, 5:49 PM CDT | Special Weather Statement | GRB | Marinette | 41 min |
| Jul 25, 6:13 PM CDT | Special Weather Statement | GRB | Menominee | 47 min |
| Jul 25, 6:14 PM CDT | Special Weather Statement | GRB | Langlade | 46 min |
| Jul 25, 6:35 PM CDT | Special Weather Statement | GRB | Oconto | 40 min |
| Jul 25, 6:57 PM CDT | Special Weather Statement | GRB | Oconto | 48 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2023Every severe thunderstorm warning in 2023
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.