Alert archive / Minnesota / Beach Hazards Statements in 2021
Beach Hazards Statement 9, NWS Duluth, MN
NWS Duluth, MN issued this beach hazards statement at Jul 20, 2021, 3:35 AM CDT for Douglas County, Wisconsin; Carlton County, Saint Louis County, Minnesota. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Jul 20, 2021, 3:35 AM CDT (08:35 UTC)
- Expired
- Jul 20, 2021, 9:00 PM CDT
- In force
- 17 hr
- Issued by
- NWS Duluth, MN
Counties Carlton County, MN, Saint Louis County, MN, Douglas County, WI
The radar
The Duluth radar (KDLH), 11 km from the middle of the area, began a volume at 08:35 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
International Fa, MN (KINL), launched 00:00Z, 8.6 hours before the alert went out and 201 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
- 873 J/kg
- Mixed-layer CIN
- -129 J/kg
- Mixed-layer LCL
- 1160 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted.
416 WHUS43 KDLH 200835 CFWDLH Coastal Hazard Message National Weather Service Duluth MN 335 AM CDT Tue Jul 20 2021 MNZ037-WIZ001-210000- /O.NEW.KDLH.BH.S.0009.210720T0835Z-210721T0000Z/ Carlton/Southern St. Louis-Douglas- 335 AM CDT Tue Jul 20 2021 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING... The National Weather Service in Duluth has issued a Beach Hazards Statement, which is in effect through this evening. * LOCATIONS...Park Point and Wisconsin Point Beaches. * TIMING...Until 7 PM. Wind and waves will ease this evening. * DANGEROUS SWIMMING CONDITIONS...Are expected along the Lake Superior shoreline due to high wave action and strong rip currents. * HIGH WAVE ACTION...Can make swimming difficult on days such as this. Incoming waves in rapid succession can tire a swimmer quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... Rip currents are powerful channels of water flowing quickly away from shore...which occur most often at low spots in sandbars... near shoreline structures such as peninsulas or breakwalls...and near river mouths. For additional safety information and precautions...please visit www.weather.gov/Duluth && $$
1 follow-up statement
631 WHUS43 KDLH 202326 CFWDLH Coastal Hazard Message National Weather Service Duluth MN 626 PM CDT Tue Jul 20 2021 MNZ037-WIZ001-210200- /O.EXT.KDLH.BH.S.0009.000000T0000Z-210721T0200Z/ Carlton/Southern St. Louis-Douglas- 626 PM CDT Tue Jul 20 2021 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 9 PM CDT THIS EVENING... * LOCATIONS...Park Point and Wisconsin Point Beaches. * TIMING...Until 9 PM. Wind and waves will ease later this evening. * DANGEROUS SWIMMING CONDITIONS...Are expected along the Lake Superior shoreline due to high wave action and strong rip currents. * HIGH WAVE ACTION...Can make swimming difficult on days such as this. Incoming waves in rapid succession can tire a swimmer quickly. PRECAUTIONARY/PREPAREDNESS ACTIONS... Rip currents are powerful channels of water flowing quickly away from shore...which occur most often at low spots in sandbars... near shoreline structures such as peninsulas or breakwalls...and near river mouths. For additional safety information and precautions...please visit www.weather.gov/Duluth && $$ Melde
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 2:18 AM CDT | Dense Fog Advisory | DLH | Aitkin, Cass, Crow Wing, Itasca | 8 hr |
Nearby
Beach Hazards Statements in Minnesota, 2021Beach 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.