Alert archive / Wisconsin / Beach Hazards Statements in 2021
Beach Hazards Statement 7, NWS Green Bay, WI
NWS Green Bay, WI issued this beach hazards statement at Aug 20, 2021, 8:06 PM CDT for Door County, Wisconsin. It took effect at Aug 21, 2021, 10:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Aug 20, 2021, 8:06 PM CDT (01:06 UTC)
- In effect from
- Aug 21, 2021, 10:00 AM CDT
- Expired
- Aug 21, 2021, 6:34 PM CDT
- In force
- 9 hr
- Issued by
- NWS Green Bay, WI
County Door County, WI
The radar
The Green Bay radar (KGRB), 71 km from the middle of the area, began a volume at 01:07 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, 1.1 hours before the alert went out and 71 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1696 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- -34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
032 WHUS43 KGRB 210106 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 806 PM CDT Fri Aug 20 2021 WIZ022-210915- /O.NEW.KGRB.BH.S.0007.210821T1500Z-210822T0300Z/ Door- 806 PM CDT Fri Aug 20 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... * WHAT...High waves of 3 to 5 feet, strong currents, and dangerous swimming conditions can be expected. * WHERE...Beaches along Lake Michigan in Door County. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Dangerous swimming conditions are expected. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Several beaches that will be most susceptible to the dangerous swimming conditions include... Rock Island State Beach, Baileys Harbor beaches and Whitefish Dunes Beach in Door County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
4 follow-up statements
374 WHUS43 KGRB 210857 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 357 AM CDT Sat Aug 21 2021 WIZ022-211700- /O.CON.KGRB.BH.S.0007.210821T1500Z-210822T0300Z/ Door- 357 AM CDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS EVENING... * WHAT...Wave action resulting in strong currents and dangerous swimming conditions. * WHERE...Beaches along Lake Michigan in Door County. * WHEN...From 10 AM CDT this morning through this evening. * IMPACTS...Dangerous swimming conditions are expected. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Several beaches that will be most susceptible to the dangerous swimming conditions include... Rock Island State Beach, Baileys Harbor beaches and Whitefish Dunes Beach in Door County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid going into the water while hazardous swimming conditions exists. && $$
333 WHUS43 KGRB 211643 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 1143 AM CDT Sat Aug 21 2021 WIZ022-220045- /O.CON.KGRB.BH.S.0007.000000T0000Z-210822T0300Z/ Door- 1143 AM CDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Wave action resulting in strong currents and dangerous swimming conditions. * WHERE...Beaches along Lake Michigan in Door County. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Dangerous swimming conditions are expected. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Several beaches that will be most susceptible to the dangerous swimming conditions include... Rock Island State Beach, Baileys Harbor beaches and Whitefish Dunes Beach in Door County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
675 WHUS43 KGRB 212021 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 321 PM CDT Sat Aug 21 2021 WIZ022-220300- /O.CON.KGRB.BH.S.0007.000000T0000Z-210822T0300Z/ Door- 321 PM CDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Wave action resulting in strong currents and dangerous swimming conditions. * WHERE...Beaches along Lake Michigan in Door County. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Dangerous swimming conditions are expected. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Several beaches that will be most susceptible to the dangerous swimming conditions include... Rock Island State Beach, Baileys Harbor beaches and Whitefish Dunes Beach in Door County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
740 WHUS43 KGRB 212334 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 634 PM CDT Sat Aug 21 2021 WIZ022-220045- /O.CAN.KGRB.BH.S.0007.000000T0000Z-210822T0300Z/ Door- 634 PM CDT Sat Aug 21 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... $$
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 8:08 PM CDT | Small Craft Advisory | GRB | 22 hr | |
| Aug 21, 6:48 AM CDT | Marine Dense Fog Advisory | GRB | 3 hr |
Nearby
Beach Hazards Statements in Wisconsin, 2021Every beach hazards 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.