Alert archive / Minnesota / Beach Hazards Statements in 2023

Beach Hazards Statement 22, NWS Duluth, MN

September 12, 2023Carlton County, Saint Louis County, Minnesota; Douglas County, Wisconsin

NWS Duluth, MN issued this beach hazards statement at Sep 12, 2023, 4:44 AM CDT for Carlton County, Saint Louis County, Minnesota; Douglas County, Wisconsin. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued: Sep 12, 2023, 4:44 AM CDT (09:44 UTC)
Expired: Sep 12, 2023, 10:00 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 09:44 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, 9.7 hours before the alert went out and 424 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: 78 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 665 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -45 m²/s²
0-3 km storm-relative helicity: 4 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 Sep 11, 6:52 PM CDT, 9 hours 52 minutes earlier.

Area forecast discussion, Sep 11, 6:52 PM CDT, 9 hours 52 minutes before

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Hazardous weather outlook, Sep 11, 4:07 PM CDT, 12 hours 37 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 11, 9:54 PM CDT	Flash Flood Warning	DLH	Saint Louis	3 hr
Sep 12, 1:03 AM CDT	Areal Flood Advisory	DLH	Saint Louis	4 hr
Sep 12, 2:51 AM CDT	Frost Advisory	DLH	Aitkin, Carlton, Cook, Crow Wing, Itasca, Koochiching and 3 more	29 hr

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.