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 6, 2021, 8:10 AM CDT for Calumet County, Wisconsin. It was in force for 50 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 6, 2021, 8:10 AM CDT (13:10 UTC)
- Expired
- Aug 6, 2021, 9:00 AM CDT
- In force
- 50 min
- Issued by
- NWS Green Bay, WI
- Hail
- 0.25 in
- Wind
- 30
County Calumet County, WI
The radar
The Green Bay radar (KGRB), 20 km from the middle of the area, began a volume at 13:13 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 6, 8:17 AM CDT | HAIL 0.25 | Appleton, WI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 1.2 hours before the alert went out and 18 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
- 132 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 962 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
111
WWUS83 KGRB 061310
SPSGRB
Special Weather Statement
National Weather Service Green Bay WI
810 AM CDT Fri Aug 6 2021
WIZ038>040-048>050-061400-
Calumet WI-Kewaunee WI-Outagamie WI-Winnebago WI-Manitowoc WI-
Brown WI-
810 AM CDT Fri Aug 6 2021
...Strong thunderstorms will impact portions of southern Brown,
southwestern Kewaunee, northern Calumet, northern Winnebago, southern
Outagamie and northwestern Manitowoc Counties through 900 AM CDT...
At 809 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Appleton to near Menasha. Movement was
east at 30 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Strong thunderstorms will be near...
Appleton around 815 AM CDT.
Little Chute around 820 AM CDT.
Kaukauna around 825 AM CDT.
Other locations in the path of these storms include Kimberly, Darboy,
High Cliff State Park, Northern Lake Winnebago, Brillion and Denmark.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4449 8764 4408 8795 4415 8879 4440 8856
TIME...MOT...LOC 1309Z 265DEG 27KT 4434 8840 4420 8852
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
$$
KurimskiThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 7:07 AM CDT | Special Weather Statement | GRB | Waushara | 53 min |
| Aug 6, 7:36 AM CDT | Special Weather Statement | GRB | Outagamie, Winnebago | 39 min |
| Aug 6, 3:53 PM CDT | Special Weather Statement | GRB | Calumet | 37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.