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 8, 2021, 7:15 PM CDT for Door 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 8, 2021, 7:15 PM CDT (00:15 UTC)
- Expired
- Aug 8, 2021, 8:00 PM CDT
- In force
- 45 min
- Issued by
- NWS Green Bay, WI
- Hail
- 0.00 in
- Wind
- 40
County Door County, WI
The radar
The Green Bay radar (KGRB), 86 km from the middle of the area, began a volume at 00:16 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, 0.3 hours before the alert went out and 87 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
- 112 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1106 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
112
WWUS83 KGRB 090015
SPSGRB
Special Weather Statement
National Weather Service Green Bay WI
715 PM CDT Sun Aug 8 2021
WIZ022-090100-
Door WI-
715 PM CDT Sun Aug 8 2021
...Strong thunderstorms will impact portions of Door County through
800 PM CDT...
At 714 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 14 miles east of Oconto to near Sturgeon Bay.
Movement was northeast at 35 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Strong thunderstorms will be near...
Sturgeon Bay around 725 PM CDT.
Other locations in the path of these storms include Jacksonport, Egg
Harbor and Ephraim.
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 4516 8697 4512 8696 4472 8743 4484 8768
4487 8765 4491 8752 4494 8764 4510 8753
4494 8759 4492 8751 4496 8744 4507 8736
4512 8737 4517 8744 4522 8741 4525 8734
4522 8721 4530 8714 4519 8692
TIME...MOT...LOC 0014Z 212DEG 32KT 4486 8758 4481 8747
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
KurimskiThe 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 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, 8:06 AM CDT | Special Weather Statement | GRB | Winnebago | 39 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.