Alert archive / Minnesota / Special Weather Statements in 2020

Special Weather Statement, NWS Grand Forks, ND

June 9, 2020Beltrami County, Minnesota

NWS Grand Forks, ND issued this special weather statement at Jun 9, 2020, 4:49 AM CDT for Beltrami County, Minnesota. It was in force for 56 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, 2020, 4:49 AM CDT (09:49 UTC)
Expired: Jun 9, 2020, 5:45 AM CDT
In force: 56 min
Issued by: NWS Grand Forks, ND

County Beltrami County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 176 km from the middle of the area, began a volume at 09:50 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, 9.8 hours before the alert went out and 145 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: 2713 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 992 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 206 m²/s²
Significant tornado parameter: 3.8
Supercell composite: 18.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this special weather statement went out at Jun 9, 4:07 AM CDT, 42 minutes earlier.

Area forecast discussion, Jun 9, 4:07 AM CDT, 42 minutes before

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Hazardous weather outlook, Jun 8, 2:37 PM CDT, 14 hours 12 minutes before

Hazardous Weather Outlook
National Weather Service Grand Forks ND
237 PM CDT Mon Jun 8 2020

MNZ001>009-013>017-022>024-027>032-040-NDZ008-016-026>030-038-039-
049-052>054-091945-
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Hubbard-West Becker-East Becker-Wilkin-
West Otter Tail-East Otter Tail-Wadena-Grant-Pembina-
Eastern Walsh-Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-Cass-
Ransom-Sargent-Richland-Western Walsh-
237 PM CDT Mon Jun 8 2020

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...This Afternoon and Tonight

Numerous severe thunderstorms are expected to develop across
northeast North Dakota by 4pm, and then move east into northwest
Minnesota by late afternoon, exiting by early evening. Very large
hail greater than 2 inches along with a possible tornado will be
the initial threat, with a transition to a damaging wind threat as
the activity moves into Minnesota.

Additional numerous severe thunderstorms are expected to develop
across the southern Red River Valley into west central Minnesota
this evening, mainly after 6pm. Activity will become more
widespread after 9pm. Clusters of storms will bring primarily a
damaging wind threat to this area, continuing until well after
midnight.

Excessive rainfall is possible, especially for areas that have
seen high rain totals over the past couple days.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Showers with embedded Thunderstorms are expected on Tuesday,
mainly within the Red River Valley into Minnesota. Minor impacts
from excessive rainfall may be possible.

.SPOTTER INFORMATION STATEMENT...

Storm spotters will be needed today into the overnight hours.

NDZ006-007-014-015-024-091945-
Towner-Cavalier-Benson-Ramsey-Eddy-
237 PM CDT Mon Jun 8 2020

This hazardous weather outlook is for portions of eastern North
Dakota.

.DAY ONE...This Afternoon and Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter spotters will not be needed today.

In the hours before

Local storm report, Jun 9, 2:57 AM CDT, 1 hour 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS ND
257 AM CDT TUE JUN 9 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0237 AM     TSTM WND GST     1 NNW ROTHSAY           46.49N 96.29W
06/09/2020  M68 MPH          Wilkin             MN   MESONET

            PEAK WIND MEASURED AT AN RWIS STATION. LOCAL POWER
            OUTAGES REPORTED.

&&

GGUST

Local storm report, Jun 9, 3:16 AM CDT, 1 hour 33 minutes before

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Local storm report, Jun 9, 3:17 AM CDT, 1 hour 32 minutes before

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Local storm report, Jun 9, 3:23 AM CDT, 1 hour 26 minutes before

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Special weather statement, Jun 9, 3:27 AM CDT, 1 hour 22 minutes before

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Special weather statement, Jun 9, 4:49 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 7:29 PM CDT	Tornado Warning Tornado observed	FGF	Marshall, Roseau	31 min
Jun 8, 8:12 PM CDT	Special Weather Statement	FGF	Lake of the Woods	48 min
Jun 8, 8:17 PM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods, Roseau	43 min
Jun 8, 8:20 PM CDT	Tornado Warning	FGF	Marshall, Pennington, Red Lake	25 min
Jun 8, 8:38 PM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods	52 min
Jun 8, 9:17 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Roseau	43 min
Jun 8, 9:27 PM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods	18 min
Jun 8, 9:52 PM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods, Roseau	23 min
Jun 8, 10:58 PM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods	33 min
Jun 8, 11:06 PM CDT	Special Weather Statement	FGF	Wadena	24 min
Jun 8, 11:41 PM CDT	Special Weather Statement	FGF	Wadena	19 min
Jun 9, 12:10 AM CDT	Special Weather Statement	FGF	Otter Tail	35 min
Jun 9, 12:18 AM CDT	Severe Thunderstorm Warning	FGF	Otter Tail	42 min
Jun 9, 12:43 AM CDT	Special Weather Statement	FGF	Hubbard	62 min
Jun 9, 1:09 AM CDT	Special Weather Statement	FGF	Wilkin	66 min
Jun 9, 1:18 AM CDT	Special Weather Statement	FGF	Wadena	57 min
Jun 9, 1:21 AM CDT	Severe Thunderstorm Warning	FGF	Hubbard, Wadena	39 min
Jun 9, 1:31 AM CDT	Severe Thunderstorm Warning	FGF	Hubbard, Wadena	27 min
Jun 9, 1:52 AM CDT	Special Weather Statement	FGF	Becker	53 min
Jun 9, 2:05 AM CDT	Severe Thunderstorm Warning	FGF	Grant, Otter Tail, Wilkin	55 min
Jun 9, 2:16 AM CDT	Special Weather Statement	FGF	Grant, Otter Tail, Wilkin	59 min
Jun 9, 2:27 AM CDT	Severe Thunderstorm Warning	FGF	Grant, Otter Tail, Wilkin	48 min
Jun 9, 3:03 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Otter Tail, Wadena	26 min
Jun 9, 3:27 AM CDT	Special Weather Statement	FGF	Becker, Hubbard, Wadena	48 min
Jun 9, 12:57 PM CDT	Areal Flood Warning	FGF	Kittson	21 hr
Jun 9, 1:40 AM CDT	Special Weather Statement	FGF	Richland	35 min

Nearby

Special Weather Statements in Minnesota, 2020 Every special weather statement in 2020

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.