Alert archive / Wisconsin / Special Weather Statements in 2021
Special Weather Statement, NWS Green Bay, WI
NWS Green Bay, WI issued this special weather statement at Jul 5, 2021, 4:13 PM CDT for Kewaunee County, Wisconsin. It was in force for 62 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 5, 2021, 4:13 PM CDT (21:13 UTC)
- Expired
- Jul 5, 2021, 5:15 PM CDT
- In force
- 62 min
- Issued by
- NWS Green Bay, WI
County Kewaunee County, WI
The radar
The Green Bay radar (KGRB), 46 km from the middle of the area, began a volume at 21:15 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 12:00Z, 9.2 hours before the alert went out and 47 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
- 583 J/kg
- Mixed-layer CIN
- -228 J/kg
- Mixed-layer LCL
- 1248 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
632
WWUS83 KGRB 052113
SPSGRB
Special Weather Statement
National Weather Service Green Bay WI
413 PM CDT Mon Jul 5 2021
WIZ022-040-074-052215-
Southern Oconto County WI-Kewaunee WI-Door WI-
413 PM CDT Mon Jul 5 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN KEWAUNEE...SOUTHERN
DOOR AND SOUTHERN OCONTO COUNTIES UNTIL 515 PM CDT...
At 412 PM CDT, Doppler radar was tracking a strong thunderstorm over
Oconto, or 17 miles southwest of Marinette, moving southeast at 25
mph.
Half inch hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Oconto, Algoma, Pensaukee, Brussels, Forestville, Clay Banks,
Gregorville, Rosiere, Shoemaker Point and Namur.
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.
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 4455 8740 4471 8778 4479 8772 4483 8780
4475 8788 4483 8807 4498 8793 4492 8775
4490 8777 4486 8777 4483 8779 4480 8772
4487 8765 4488 8763 4475 8727
TIME...MOT...LOC 2112Z 296DEG 23KT 4491 8788
$$
CooleyThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 8:59 PM CDT | Small Craft Advisory | GRB | 21 hr | |
| Jul 5, 3:41 AM CDT | Special Weather Statement | GRB | Florence | 49 min |
| Jul 5, 4:01 AM CDT | Special Weather Statement | GRB | Florence | 44 min |
| Jul 5, 1:59 PM CDT | Special Weather Statement | GRB | Door | 46 min |
| Jul 5, 3:06 PM CDT | Special Weather Statement | GRB | Door | 39 min |
| Jul 5, 3:18 PM CDT | Special Marine Warning | GRB | 87 min | |
| Jul 5, 3:45 PM CDT | Special Weather Statement | GRB | Kewaunee | 60 min |
| Jul 5, 5:32 PM CDT | Special Weather Statement | GRB | Marathon, Menominee, Shawano | 58 min |
| Jul 5, 5:48 PM CDT | Special Weather Statement | GRB | Brown | 42 min |
| Jul 5, 6:25 PM CDT | Special Weather Statement | GRB | Marathon, Menominee, Shawano | 50 min |
| Jul 5, 6:31 PM CDT | Special Weather Statement | GRB | Manitowoc | 44 min |
Nearby
Special Weather Statements in Wisconsin, 2021Every special weather statement in 2021
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.