Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Duluth, MN

October 10, 2021Saint Louis County, Minnesota

NWS Duluth, MN issued this special weather statement at Oct 10, 2021, 3:27 PM CDT for Saint Louis County, Minnesota. It was in force for 18 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: Oct 10, 2021, 3:27 PM CDT (20:27 UTC)
Expired: Oct 10, 2021, 3:45 PM CDT
In force: 18 min
Issued by: NWS Duluth, MN
Hail: 0.50 in
Wind: 40

County Saint Louis County, MN

The radar

The Duluth radar (KDLH), 77 km from the middle of the area, began a volume at 20:29 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 12:00Z, 8.5 hours before the alert went out and 134 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1493 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: -10 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

173 
WWUS83 KDLH 102027
SPSDLH

Special Weather Statement
National Weather Service Duluth MN
327 PM CDT Sun Oct 10 2021
 
MNZ019-102045-
Central St. Louis MN-
327 PM CDT Sun Oct 10 2021

...A strong thunderstorm will impact portions of central St. Louis
County through 345 PM CDT...

At 327 PM CDT, Doppler radar was tracking a strong thunderstorm over
Eveleth, or 20 miles east of Hibbing, moving north at 30 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow unsecured 
         objects around. Minor hail damage to outdoor objects is 
         possible.

Locations impacted include...
Virginia, Eveleth, Mountain Iron, Gilbert, Biwabik, Franklin,
Mckinley, Iron Junction, Leonidas, Big Rice Lake, Wynne Lake, and
Esquagama Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone outdoors, including anyone on or in the water, should seek
shelter inside a sturdy building or hard topped vehicle.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
northeastern Minnesota.

&&

LAT...LON 4737 9242 4742 9268 4772 9255 4766 9223
TIME...MOT...LOC 2027Z 196DEG 26KT 4747 9253 

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

$$

Melde

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 9, 8:23 PM CDT	Special Weather Statement	DLH	Cook	37 min
Oct 10, 4:18 AM CDT	Special Weather Statement	DLH	Carlton	27 min
Oct 10, 8:42 AM CDT	Special Weather Statement	DLH	Cass	33 min
Oct 10, 10:34 AM CDT	Special Weather Statement	DLH	Koochiching	26 min
Oct 10, 12:30 PM CDT	Special Weather Statement	DLH	Itasca	15 min
Oct 10, 12:31 PM CDT	Special Weather Statement	DLH	Itasca	14 min
Oct 10, 12:47 PM CDT	Special Weather Statement	DLH	Itasca	28 min
Oct 10, 12:48 PM CDT	Special Weather Statement	DLH	Itasca	27 min
Oct 10, 1:27 PM CDT	Special Weather Statement	DLH	Itasca	33 min
Oct 10, 1:50 PM CDT	Special Weather Statement	DLH	Itasca	25 min
Oct 10, 2:11 PM CDT	Special Weather Statement	DLH	Saint Louis	34 min
Oct 10, 2:17 PM CDT	Special Weather Statement	DLH	Saint Louis	13 min
Oct 10, 2:26 PM CDT	Tornado Warning	DLH	Itasca, Koochiching, Saint Louis	34 min
Oct 10, 2:31 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	29 min
Oct 10, 2:42 PM CDT	Tornado Warning	DLH	Saint Louis	18 min
Oct 10, 3:02 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	28 min
Oct 10, 3:07 PM CDT	Special Weather Statement	DLH	Koochiching	23 min
Oct 10, 3:09 PM CDT	Special Weather Statement	DLH		21 min
Oct 10, 3:14 PM CDT	Severe Thunderstorm Warning	DLH	Lake, Saint Louis	31 min
Oct 10, 3:18 PM CDT	Special Marine Warning	DLH		87 min
Oct 10, 3:41 PM CDT	Severe Thunderstorm Warning	DLH	Lake, Saint Louis	49 min
Oct 10, 4:05 PM CDT	Special Weather Statement	DLH		25 min
Oct 10, 4:09 PM CDT	Special Weather Statement	DLH	Lake	21 min
Oct 10, 4:12 PM CDT	Special Weather Statement	DLH		18 min
Oct 10, 4:19 PM CDT	Severe Thunderstorm Warning	DLH	Saint Louis	26 min
Oct 10, 4:28 PM CDT	Special Weather Statement	DLH	Cook	32 min
Oct 10, 4:31 PM CDT	Small Craft Advisory	DLH		20 hr
Oct 10, 4:31 PM CDT	Special Weather Statement	DLH	Lake	29 min
Oct 10, 4:33 PM CDT	Special Weather Statement	DLH		27 min
Oct 10, 4:43 PM CDT	Special Weather Statement	DLH		32 min
Oct 10, 4:57 PM CDT	Special Weather Statement	DLH	Lake	33 min
Oct 10, 5:04 PM CDT	Special Marine Warning	DLH		56 min
Oct 10, 5:15 PM CDT	Special Weather Statement	DLH		30 min
Oct 10, 5:26 PM CDT	Special Weather Statement	DLH	Lake	34 min
Oct 10, 5:28 PM CDT	Severe Thunderstorm Warning	DLH	Cook	47 min
Oct 10, 5:36 PM CDT	Tornado Warning	DLH	Cook	39 min
Oct 10, 5:40 PM CDT	Special Weather Statement	DLH	Cook	35 min
Oct 10, 6:15 PM CDT	Special Weather Statement	DLH	Cook	45 min
Oct 10, 6:30 PM CDT	Special Marine Warning	DLH		60 min
Oct 10, 12:14 AM CDT	Special Weather Statement	DLH	Price	31 min
Oct 10, 12:54 AM CDT	Special Weather Statement	DLH	Price	36 min
Oct 10, 1:14 AM CDT	Special Weather Statement	DLH	Price	16 min
Oct 10, 1:28 AM CDT	Special Weather Statement	DLH	Price	17 min

Nearby

Special Weather Statements in Minnesota, 2021 Every 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.