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 14, 2021, 6:21 PM CDT for Calumet County, Winnebago County, Wisconsin. It was in force for 54 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 14, 2021, 6:21 PM CDT (23:21 UTC)
- Expired
- Jul 14, 2021, 7:15 PM CDT
- In force
- 54 min
- Issued by
- NWS Green Bay, WI
Counties Calumet County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 63 km from the middle of the area, began a volume at 23:25 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, 11.4 hours before the alert went out and 62 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
- 579 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
730
WWUS83 KGRB 142321
SPSGRB
Special Weather Statement
National Weather Service Green Bay WI
621 PM CDT Wed Jul 14 2021
WIZ048-049-150015-
Calumet WI-Winnebago WI-
621 PM CDT Wed Jul 14 2021
...THUNDERSTORMS WITH HEAVY RAINFALL EXPECTED EARLY THIS
EVENING...
At 620 PM CDT, Doppler radar was tracking thunderstorms along a line
extending from near Menasha to near Oshkosh to 7 miles northeast of
Rush Lake to Ripon. Movement was east at 40 mph.
Winds in excess of 30 mph and locally heavy rainfall will be
possible with these storms. Minor street flooding is also possible
along with ponding of water on area highways.
Strong thunderstorms will be near...
Oshkosh and Menasha around 625 PM CDT.
Northern Lake Winnebago around 635 PM CDT.
High Cliff State Park around 640 PM CDT.
Central Lake Winnebago around 655 PM CDT.
Chilton around 700 PM CDT.
Other locations impacted by these storms include Pickett, Butte Des
Morts, Larsen, Lake Butte Des Morts, Jericho, Rivermoor, Charlesburg,
Brothertown, Winneconne and Harbor Springs.
People at Sunnyview Expo Center, EAA Grounds in Oshkosh, and Leach
Amphitheater in Oshkosh should consider seeking safe shelter.
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 4390 8889 4415 8888 4421 8858 4422 8813
4392 8814 4392 8816 4394 8816 4394 8840
4390 8840 4389 8845
TIME...MOT...LOC 2317Z 251DEG 35KT 4419 8846 4409 8857 4395 8870 4383
8881 4368 8894 4347 8915
$$
EckbergThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 12:59 PM CDT | Special Weather Statement | GRB | Marathon, Portage, Waushara, Wood | 76 min |
| Jul 14, 1:49 PM CDT | Special Weather Statement | GRB | Oneida | 41 min |
| Jul 14, 2:33 PM CDT | Special Weather Statement | GRB | Oneida | 27 min |
| Jul 14, 2:44 PM CDT | Areal Flood Advisory | GRB | Oneida | 3 hr |
| Jul 14, 3:01 PM CDT | Special Weather Statement | GRB | Forest | 44 min |
| Jul 14, 3:13 PM CDT | Special Weather Statement | GRB | Brown, Outagamie | 47 min |
| Jul 14, 3:40 PM CDT | Special Weather Statement | GRB | Brown, Calumet | 35 min |
| Jul 14, 3:48 PM CDT | Special Marine Warning | GRB | 57 min | |
| Jul 14, 4:00 PM CDT | Special Weather Statement | GRB | Brown, Kewaunee, Manitowoc | 30 min |
| Jul 14, 4:09 PM CDT | Severe Thunderstorm Warning | GRB | Door, Kewaunee, Manitowoc | 40 min |
| Jul 14, 4:41 PM CDT | Special Marine Warning | GRB | 64 min | |
| Jul 14, 4:44 PM CDT | Special Weather Statement | GRB | Door | 61 min |
| Jul 14, 5:40 PM CDT | Special Weather Statement | GRB | Winnebago | 65 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.