Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Duluth, MN

June 9, 2021Saint Louis County, Minnesota

NWS Duluth, MN issued this special weather statement at Jun 9, 2021, 10:10 PM CDT for Saint Louis County, Minnesota. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 9, 2021, 10:10 PM CDT (03:10 UTC)
Expired
Jun 9, 2021, 10:30 PM CDT
In force
20 min
Issued by
NWS Duluth, MN

County Saint Louis County, MN

The radar

The Duluth radar (KDLH), 125 km from the middle of the area, began a volume at 03:13 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, 3.2 hours before the alert went out and 332 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2021-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 765 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2021-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
765 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
2305 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

905 
WWUS83 KDLH 100310
SPSDLH

Special Weather Statement
National Weather Service Duluth MN
1010 PM CDT Wed Jun 9 2021

MNZ018-019-100330-
Central St. Louis-North Itasca-
1010 PM CDT Wed Jun 9 2021

...A STRONG THUNDERSTORM WILL AFFECT EASTERN ITASCA AND NORTHWESTERN
ST. LOUIS COUNTIES...

At 1009 PM CDT, a strong thunderstorm was near Togo, or 25 miles
north of Hibbing, moving northeast at 40 mph.

Wind gusts up to 45 mph and half inch diameter hail can be expected
with this storm.

This storm will remain over mainly rural areas of northwestern
Central St. Louis and east central North Itasca Counties, including
the following locations... Snake Trail, Stony Brook and Mcarthy Beach
State Park.

Seek shelter inside a sturdy building and away from windows until
this storm passes. Get off area lakes and seek shelter on shore in a
sturdy shelter or a hard topped vehicle.

LAT...LON 4786 9308 4785 9308 4786 9292 4784 9290
      4773 9285 4765 9316 4775 9325 4789 9309
TIME...MOT...LOC 0309Z 236DEG 35KT 4775 9313 

$$

Kossen/Wolfe

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 8:01 PM CDTSpecial Weather StatementDLH14 min
Jun 9, 8:08 PM CDTSpecial Weather StatementDLHItasca22 min
Jun 9, 8:21 PM CDTSpecial Weather StatementDLH24 min
Jun 9, 8:21 PM CDTSpecial Weather StatementDLH24 min
Jun 9, 8:45 PM CDTSpecial Weather StatementDLH15 min
Jun 9, 9:02 PM CDTSpecial Weather StatementDLH13 min
Jun 9, 9:03 PM CDTSpecial Weather StatementDLH27 min
Jun 9, 9:13 PM CDTSpecial Weather StatementDLH17 min
Jun 9, 9:16 PM CDTSpecial Weather StatementDLHItasca14 min
Jun 9, 9:21 PM CDTSpecial Weather StatementDLH24 min
Jun 9, 9:29 PM CDTAreal Flood AdvisoryDLHKoochiching, Saint Louis3 hr
Jun 9, 9:30 PM CDTSpecial Weather StatementDLH15 min
Jun 9, 9:45 PM CDTSpecial Weather StatementDLH30 min
Jun 9, 9:47 PM CDTSpecial Weather StatementDLH13 min
Jun 9, 9:50 PM CDTSpecial Weather StatementDLH25 min
Jun 9, 10:07 PM CDTSpecial Weather StatementDLH23 min
Jun 9, 10:17 PM CDTSpecial Weather StatementDLH28 min
Jun 9, 10:17 PM CDTSpecial Weather StatementDLH28 min
Jun 9, 11:29 PM CDTSpecial Weather StatementDLH31 min
Jun 10, 4:08 AM CDTHeat AdvisoryDLHCass, Crow Wing, Pine15 hr
Jun 10, 6:33 AM CDTMarine Dense Fog AdvisoryDLH55 hr
Jun 10, 3:20 PM CDTSmall Craft AdvisoryDLH33 hr
Jun 10, 4:34 PM CDTSpecial Weather StatementDLHCrow Wing26 min
Jun 10, 1:45 PM CDTSpecial Weather StatementDLHBayfield15 min
Jun 10, 3:32 PM CDTSpecial Weather StatementDLHBayfield13 min
Jun 10, 3:38 PM CDTSpecial Weather StatementDLHDouglas22 min
Jun 10, 4:38 PM CDTSpecial Weather StatementDLHPrice22 min
Jun 10, 4:52 PM CDTSpecial Weather StatementDLHIron23 min
Jun 10, 5:02 PM CDTSpecial Weather StatementDLHPrice28 min
Jun 10, 5:26 PM CDTSpecial Weather StatementDLHPrice19 min
Jun 10, 5:36 PM CDTAreal Flood AdvisoryDLHAshland, Iron, Price3 hr
Jun 10, 5:42 PM CDTSpecial Weather StatementDLHPrice33 min
Jun 10, 5:52 PM CDTSevere Thunderstorm WarningDLHAshland, Iron, Price23 min
Jun 10, 6:08 PM CDTFlash Flood WarningDLHIron, Price3 hr
Jun 10, 6:18 PM CDTSpecial Weather StatementDLHPrice12 min
Jun 10, 6:25 PM CDTSpecial Weather StatementDLHPrice20 min
Jun 10, 6:40 PM CDTSpecial Weather StatementDLHPrice20 min
Jun 10, 6:47 PM CDTSpecial Weather StatementDLHIron13 min

Nearby

Special Weather Statements in Minnesota, 2021Every special weather 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.