Alert archive / Minnesota / Beach Hazards Statements in 2021
Beach Hazards Statement 13, NWS Duluth, MN
NWS Duluth, MN issued this beach hazards statement at Aug 8, 2021, 7:16 AM CDT for Douglas County, Wisconsin; Carlton County, Saint Louis County, Minnesota. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Aug 8, 2021, 7:16 AM CDT (12:16 UTC)
- Expired
- Aug 8, 2021, 6:00 PM CDT
- In force
- 11 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 12:17 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
Minneapolis, MN (KMPX), launched 12:00Z, 0.3 hours before the alert went out and 246 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
- 1659 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 542 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
182 WHUS43 KDLH 081216 CFWDLH Coastal Hazard Message National Weather Service Duluth MN 716 AM CDT Sun Aug 8 2021 MNZ037-WIZ001-082300- /O.NEW.KDLH.BH.S.0013.210808T1216Z-210808T2300Z/ Carlton/Southern St. Louis-Douglas- 716 AM CDT Sun Aug 8 2021 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 6 PM CDT THIS EVENING... The National Weather Service in Duluth has issued a Beach Hazards Statement, which is in effect until 6 PM CDT this evening. * LOCATIONS...Park Point and Wisconsin Point Beaches. * TIMING...Waves will be highest and swimming conditions will be worst this morning, but conditions will slowly improve through this afternoon. * 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 && $$
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 8:24 AM CDT | Dense Fog Advisory | DLH | Douglas | 4 hr |
| Aug 8, 7:18 AM CDT | Small Craft Advisory | DLH | 9 hr | |
| Aug 8, 5:45 PM CDT | Marine Dense Fog Advisory | DLH | 16 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.