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 Jun 10, 2021, 1:21 PM CDT for Florence County, Forest 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
- Jun 10, 2021, 1:21 PM CDT (18:21 UTC)
- Expired
- Jun 10, 2021, 2:15 PM CDT
- In force
- 54 min
- Issued by
- NWS Green Bay, WI
Counties Florence County, WI, Forest County, WI
The radar
The Marquette radar (KMQT), 100 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 161 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
- 83 J/kg
- Mixed-layer CIN
- -163 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
414
WWUS83 KGRB 101821
SPSGRB
Special Weather Statement
National Weather Service Green Bay WI
121 PM CDT Thu Jun 10 2021
WIZ011-012-101915-
Florence WI-Forest WI-
121 PM CDT Thu Jun 10 2021
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL FOREST AND FLORENCE
COUNTIES UNTIL 215 PM CDT...
At 120 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles northwest of North Otter Creek Natural Area, or 9 miles north
of Crandon, moving southeast at 20 mph.
Pea size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Crandon, Florence, Fern, Tipler, Popple River, North Otter Creek
Natural Area, Wisconsin Slough Natural Area, Whisker Lake Wilderness,
Laona and Argonne.
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.
&&
LAT...LON 4602 8851 4599 8849 4600 8846 4598 8842
4599 8838 4596 8833 4596 8825 4595 8824
4595 8819 4593 8813 4572 8835 4572 8843
4565 8843 4538 8873 4570 8902 4601 8872
4601 8868 4598 8864 4602 8860 4601 8859
TIME...MOT...LOC 1820Z 306DEG 16KT 4571 8886
$$
HykinThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 10:09 AM CDT | Marine Dense Fog Advisory | GRB | 18 hr | |
| Jun 10, 12:37 PM CDT | Special Weather Statement | GRB | Forest | 53 min |
| Jun 10, 2:17 PM CDT | Special Weather Statement | GRB | Florence, Forest, Oneida | 43 min |
| Jun 10, 3:20 PM CDT | Severe Thunderstorm Warning | GRB | Vilas | 55 min |
| Jun 10, 4:07 PM CDT | Severe Thunderstorm Warning | GRB | Oneida, Vilas | 53 min |
| Jun 10, 4:17 PM CDT | Special Weather Statement | GRB | Langlade | 58 min |
| Jun 10, 4:31 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Lincoln | 59 min |
| Jun 10, 4:33 PM CDT | Areal Flood Advisory | GRB | Oneida, Vilas | 4 hr |
| Jun 10, 6:00 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln | 60 min |
| Jun 10, 6:07 PM CDT | Areal Flood Advisory | GRB | Lincoln | 3 hr |
| Jun 10, 6:24 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Marathon | 66 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.