Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Grand Forks, ND

June 9, 2021Pennington County, Minnesota

NWS Grand Forks, ND issued this special weather statement at Jun 9, 2021, 1:13 PM CDT for Pennington County, Minnesota. It was in force for 47 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, 1:13 PM CDT (18:13 UTC)
Expired
Jun 9, 2021, 2:00 PM CDT
In force
47 min
Issued by
NWS Grand Forks, ND

County Pennington County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 151 km from the middle of the area, began a volume at 18:13 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

International Fa, MN (KINL), launched 12:00Z, 6.2 hours before the alert went out and 179 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, International Fa, MN at 12:00Z on 2021-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 12:00Z on 2021-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1926 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

222 
WWUS83 KFGF 091813
SPSFGF

Special Weather Statement
National Weather Service Grand Forks ND
113 PM CDT Wed Jun 9 2021

MNZ008-009-013-091900-
East Marshall-North Beltrami-Pennington-
113 PM CDT Wed Jun 9 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT EASTERN MARSHALL...
NORTHWESTERN BELTRAMI AND NORTHERN PENNINGTON COUNTIES...

At 113 PM CDT, radar indicated strong thunderstorms were located
along a line extending from Noyes to near Northcote. Movement was
northeast at 35 mph.

Wind gusts up to 50 mph and pea size hail are possible with these
storms.

Locations impacted include...
Thief River Falls, Newfolden, Middle River, Grygla, Goodridge, Holt
and Gatzke.

LAT...LON 4854 9528 4805 9528 4812 9633 4846 9633
TIME...MOT...LOC 1813Z 237DEG 31KT 4900 9719 4882 9706 

$$

Hopkins

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 9, 4:35 AM CDTSpecial Weather StatementFGFPembina55 min
Jun 9, 12:35 PM CDTSevere Thunderstorm WarningFGFPembina, Walsh40 min
Jun 9, 12:47 PM CDTSevere Thunderstorm WarningFGFPembina28 min
Jun 9, 12:59 PM CDTSevere Thunderstorm WarningFGFPembina17 min
Jun 9, 12:49 AM CDTSpecial Weather StatementFGFMarshall56 min
Jun 9, 12:54 AM CDTSevere Thunderstorm WarningFGFMarshall37 min
Jun 9, 1:11 AM CDTSpecial Weather StatementFGFMarshall, Pennington, Polk, Red Lake64 min
Jun 9, 2:12 AM CDTSpecial Weather StatementFGFMarshall, Pennington63 min
Jun 9, 3:38 AM CDTSpecial Weather StatementFGFKittson, Roseau67 min
Jun 9, 4:47 AM CDTSpecial Weather StatementFGFLake of the Woods, Roseau58 min
Jun 9, 12:51 PM CDTSevere Thunderstorm WarningFGFMarshall, Roseau54 min
Jun 9, 1:08 PM CDTSevere Thunderstorm WarningFGFRoseau32 min
Jun 9, 1:46 PM CDTSpecial Weather StatementFGFLake of the Woods59 min
Jun 9, 3:07 PM CDTSpecial Weather StatementFGFBecker, Hubbard, Otter Tail, Wadena53 min
Jun 9, 3:15 PM CDTSpecial Weather StatementFGFBeltrami, Clearwater60 min
Jun 9, 4:44 PM CDTSevere Thunderstorm WarningFGFBeltrami61 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.