Alert archive / Wisconsin / Beach Hazards Statements in 2020
Beach Hazards Statement 13, NWS Green Bay, WI
NWS Green Bay, WI issued this beach hazards statement at Sep 19, 2020, 2:39 PM CDT for Door County, Kewaunee County, Manitowoc County, Wisconsin. It took effect at Sep 20, 2020, 1:00 PM CDT. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Sep 19, 2020, 2:39 PM CDT (19:39 UTC)
- In effect from
- Sep 20, 2020, 1:00 PM CDT
- Expired
- Sep 21, 2020, 7:00 PM CDT
- In force
- 30 hr
- Issued by
- NWS Green Bay, WI
Counties Door County, WI, Kewaunee County, WI, Manitowoc County, WI
The radar
The Green Bay radar (KGRB), 47 km from the middle of the area, began a volume at 19:42 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, 7.7 hours before the alert went out and 46 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
- 1548 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
411 WHUS43 KGRB 191939 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 239 PM CDT Sat Sep 19 2020 WIZ022-040-050-201000- /O.NEW.KGRB.BH.S.0013.200920T1800Z-200922T0000Z/ Door-Kewaunee-Manitowoc- 239 PM CDT Sat Sep 19 2020 ...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...Large waves and dangerous currents will result in hazardous swimming conditions along Lake Michigan beaches. * WHERE...Door, Kewaunee and Manitowoc Counties. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Strong currents can pull swimmers into deeper water. High waves can sweep people off piers and breakwalls. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ mpc
6 follow-up statements
645 WHUS43 KGRB 200843 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 343 AM CDT Sun Sep 20 2020 WIZ022-040-050-201645- /O.CON.KGRB.BH.S.0013.200920T1800Z-200922T0000Z/ Door-Kewaunee-Manitowoc- 343 AM CDT Sun Sep 20 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH MONDAY EVENING... * WHAT...Large waves and dangerous currents will result in hazardous swimming conditions along Lake Michigan beaches. * WHERE...Door, Kewaunee and Manitowoc Counties. * WHEN...From 1 PM CDT this afternoon through Monday evening. * IMPACTS...Strong currents can pull swimmers into deeper water. High waves can sweep people off piers and breakwalls. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ TSK
444 WHUS43 KGRB 201526 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 1026 AM CDT Sun Sep 20 2020 WIZ022-040-050-202330- /O.CON.KGRB.BH.S.0013.200920T1800Z-200922T0000Z/ Door-Kewaunee-Manitowoc- 1026 AM CDT Sun Sep 20 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY EVENING... * WHAT...Large waves and dangerous currents will result in hazardous swimming conditions along Lake Michigan beaches. * WHERE...Door, Kewaunee and Manitowoc Counties. * WHEN...Through Monday evening. * IMPACTS...Strong currents can pull swimmers into deeper water. High waves can sweep people off piers and breakwalls. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
628 WHUS43 KGRB 201932 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 232 PM CDT Sun Sep 20 2020 WIZ022-040-050-210900- /O.CON.KGRB.BH.S.0013.000000T0000Z-200922T0000Z/ Door-Kewaunee-Manitowoc- 232 PM CDT Sun Sep 20 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY EVENING... * WHAT...Large waves and dangerous currents will result in hazardous swimming conditions along Lake Michigan beaches. * WHERE...Door, Kewaunee and Manitowoc Counties. * WHEN...Through Monday evening. * IMPACTS...Strong currents can pull swimmers into deeper water. High waves can sweep people off piers and breakwalls. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ mpc
264 WHUS43 KGRB 210851 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 351 AM CDT Mon Sep 21 2020 WIZ022-040-050-211700- /O.CON.KGRB.BH.S.0013.000000T0000Z-200922T0000Z/ Door-Kewaunee-Manitowoc- 351 AM CDT Mon Sep 21 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Large waves and dangerous currents will result in hazardous swimming conditions along Lake Michigan beaches. * WHERE...Door, Kewaunee and Manitowoc Counties. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water. High waves can sweep people off piers and breakwalls. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ TSK
936 WHUS43 KGRB 211529 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 1029 AM CDT Mon Sep 21 2020 WIZ022-040-050-212330- /O.CON.KGRB.BH.S.0013.000000T0000Z-200922T0000Z/ Door-Kewaunee-Manitowoc- 1029 AM CDT Mon Sep 21 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Large waves and dangerous currents will result in hazardous swimming conditions along Lake Michigan beaches. * WHERE...Door, Kewaunee and Manitowoc Counties. * WHEN...Through this evening. * IMPACTS...Strong currents can pull swimmers into deeper water. High waves can sweep people off piers and breakwalls. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
618 WHUS43 KGRB 211946 CFWGRB Coastal Hazard Message National Weather Service Green Bay WI 246 PM CDT Mon Sep 21 2020 WIZ022-040-050-220000- /O.CON.KGRB.BH.S.0013.000000T0000Z-200922T0000Z/ Door-Kewaunee-Manitowoc- 246 PM CDT Mon Sep 21 2020 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Large waves and dangerous currents will result in hazardous swimming conditions along Lake Michigan beaches. * WHERE...Door, Kewaunee and Manitowoc Counties. * WHEN...Through early this evening. * IMPACTS...Strong currents can pull swimmers into deeper water. High waves can sweep people off piers and breakwalls. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ AK
The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 2:48 PM CDT | Small Craft Advisory | GRB | 61 hr |
Nearby
Beach Hazards Statements in Wisconsin, 2020Every beach hazards statement in 2020
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.