Alert archive / Minnesota / Beach Hazards Statements in 2023

Beach Hazards Statement 12, NWS Duluth, MN

August 11, 2023Carlton County, Saint Louis County, Minnesota; Douglas County, Wisconsin

NWS Duluth, MN issued this beach hazards statement at Aug 11, 2023, 5:32 AM CDT for Carlton County, Saint Louis County, Minnesota; Douglas County, Wisconsin. It took effect at Aug 11, 2023, 6:00 AM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Aug 11, 2023, 5:32 AM CDT (10:32 UTC)
In effect from: Aug 11, 2023, 6:00 AM CDT
Expired: Aug 11, 2023, 9:00 PM CDT
In force: 15 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 10:36 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 00:00Z, 10.5 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 43 J/kg
Mixed-layer CIN: -213 J/kg
Mixed-layer LCL: 1262 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this beach hazards statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Duluth, MN wrote its last area forecast discussion before this beach hazards statement went out at Aug 11, 4:22 AM CDT, 1 hour 10 minutes earlier.

Area forecast discussion, Aug 11, 4:22 AM CDT, 1 hour 10 minutes before

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Hazardous weather outlook, Aug 11, 4:16 AM CDT, 1 hour 16 minutes before

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The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 11, 1:17 PM CDT	Special Weather Statement	DLH	Crow Wing	28 min
Aug 11, 1:47 PM CDT	Severe Thunderstorm Warning	DLH	Cass, Crow Wing	43 min
Aug 11, 1:52 PM CDT	Special Weather Statement	DLH	Cass	38 min
Aug 11, 2:16 PM CDT	Dense Fog Advisory	DLH	Carlton, Cook, Lake, Saint Louis	19 hr
Aug 11, 2:20 PM CDT	Marine Dense Fog Advisory	DLH		13 hr
Aug 11, 2:31 PM CDT	Special Weather Statement	DLH	Aitkin	29 min
Aug 11, 3:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DLH	Pine	39 min
Aug 11, 3:32 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DLH	Pine	43 min
Aug 11, 5:29 PM CDT	Special Weather Statement	DLH	Itasca	31 min
Aug 11, 4:09 PM CDT	Severe Thunderstorm Warning	DLH	Burnett, Washburn	36 min
Aug 11, 4:15 PM CDT	Special Weather Statement	DLH	Washburn	30 min
Aug 11, 4:43 PM CDT	Special Weather Statement	DLH	Washburn	32 min
Aug 11, 5:08 PM CDT	Special Weather Statement	DLH	Sawyer	37 min

Nearby

Beach Hazards Statements in Minnesota, 2023 Beach Hazards Statements in Wisconsin, 2023 Every beach hazards statement in 2023

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.