Alert archive / Minnesota / Special Weather Statements in 2018

Special Weather Statement, NWS Duluth, MN

May 26, 2018Saint Louis County, Minnesota

NWS Duluth, MN issued this special weather statement at May 26, 2018, 2:08 AM CDT for Saint Louis County, Minnesota. It was in force for 37 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: May 26, 2018, 2:08 AM CDT (07:08 UTC)
Expired: May 26, 2018, 2:45 AM CDT
In force: 37 min
Issued by: NWS Duluth, MN

County Saint Louis County, MN

The radar

The Duluth radar (KDLH), 52 km from the middle of the area, began a volume at 07:07 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 00:00Z, 7.1 hours before the alert went out and 158 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: 409 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 2323 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

770 
WWUS83 KDLH 260708
SPSDLH

Special Weather Statement
National Weather Service Duluth MN
208 AM CDT SAT MAY 26 2018

MNZ019-260745-
Central St. Louis-
208 AM CDT SAT MAY 26 2018

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL ST. LOUIS COUNTY...

At 208 AM CDT, a strong thunderstorm was 9 miles north of Cotton, or
22 miles east of Hibbing, moving east at 30 mph.

Wind gusts up to 30 mph, half-inch hail, heavy downpours, and
occasional cloud to ground lightning can be expected with this storm.

Locations impacted include...
Whiteface Reservoir, Makinen, Comstock Lake, Murphy Lake, Melrude,
and Markham.

Seek shelter inside a sturdy building and away from windows until
this storm passes.

LAT...LON 4724 9260 4738 9253 4736 9215 4719 9221
TIME...MOT...LOC 0708Z 278DEG 24KT 4730 9248 

$$

GSF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 9:56 PM CDT	Special Weather Statement	DLH		49 min
May 26, 12:32 AM CDT	Special Weather Statement	DLH	Itasca	13 min
May 26, 2:12 AM CDT	Special Weather Statement	DLH	Lake	33 min
May 26, 1:10 PM CDT	Special Weather Statement	DLH	Cook	20 min
May 26, 1:31 PM CDT	Special Weather Statement	DLH	Cook	14 min
May 26, 1:45 PM CDT	Special Weather Statement	DLH	Cook	15 min
May 26, 1:54 PM CDT	Special Weather Statement	DLH	Cook	21 min
May 26, 2:05 PM CDT	Special Weather Statement	DLH	Cook	10 min
May 26, 2:22 PM CDT	Special Weather Statement	DLH	Lake	8 min
May 26, 2:29 PM CDT	Special Weather Statement	DLH	Cook	31 min
May 25, 7:02 PM CDT	Special Weather Statement	DLH	Sawyer	28 min
May 25, 7:11 PM CDT	Areal Flood Advisory	DLH	Ashland, Sawyer, Washburn	3 hr
May 25, 7:18 PM CDT	Severe Thunderstorm Warning	DLH	Price, Sawyer	27 min
May 25, 7:46 PM CDT	Special Weather Statement	DLH	Sawyer	29 min
May 25, 7:48 PM CDT	Severe Thunderstorm Warning	DLH	Sawyer, Washburn	27 min
May 25, 8:17 PM CDT	Special Weather Statement	DLH	Sawyer	28 min
May 25, 8:48 PM CDT	Special Weather Statement	DLH	Price	27 min

Nearby

Special Weather Statements in Minnesota, 2018 Every special weather statement in 2018

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.