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 Aug 9, 2021, 8:06 AM CDT for Winnebago County, Wisconsin. It was in force for 39 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 9, 2021, 8:06 AM CDT (13:06 UTC)
- Expired
- Aug 9, 2021, 8:45 AM CDT
- In force
- 39 min
- Issued by
- NWS Green Bay, WI
- Hail
- 0.00 in
- Wind
- 30
County Winnebago County, WI
The radar
The Green Bay radar (KGRB), 66 km from the middle of the area, began a volume at 13:09 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, 1.1 hours before the alert went out and 65 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
- 10 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 1082 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
548
WWUS83 KGRB 091306
SPSGRB
Special Weather Statement
National Weather Service Green Bay WI
806 AM CDT Mon Aug 9 2021
WIZ038-045-048-049-091345-
Calumet WI-Outagamie WI-Winnebago WI-Waushara WI-
806 AM CDT Mon Aug 9 2021
...A strong thunderstorm will impact portions of western Calumet,
Winnebago, southeastern Waushara and southwestern Outagamie Counties
through 845 AM CDT...
At 802 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles northeast of Rush Lake, or 9 miles west of Oshkosh, moving
northeast at 20 mph.
HAZARD...Winds in excess of 30 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Oshkosh and Menasha.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Heavy rainfall is also occurring with this storm and may lead to
localized flooding and reduced visibility. Do not drive your vehicle
through flooded roadways.
&&
LAT...LON 4390 8881 4397 8889 4398 8889 4398 8890
4411 8903 4424 8884 4424 8874 4431 8874
4438 8864 4416 8820 4394 8832 4394 8840
4389 8840
TIME...MOT...LOC 1302Z 214DEG 18KT 4401 8874
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH
$$
UhlmannThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 7:06 PM CDT | Special Marine Warning | GRB | 54 min | |
| Aug 8, 7:15 PM CDT | Special Weather Statement | GRB | Door | 45 min |
| Aug 9, 1:39 AM CDT | Special Weather Statement | GRB | Menominee, Shawano | 51 min |
| Aug 9, 2:55 AM CDT | Special Weather Statement | GRB | Langlade | 50 min |
| Aug 9, 10:02 AM CDT | River Flood Warning | GRB | Wood | 11 hr |
| Aug 9, 1:17 PM CDT | River Flood Warning | GRB | Wood | 40 hr |
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.