Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Grand Forks, ND

June 6, 2021Roseau County, Minnesota

NWS Grand Forks, ND issued this special weather statement at Jun 6, 2021, 12:48 AM CDT for Roseau County, Minnesota. It was in force for 57 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 6, 2021, 12:48 AM CDT (05:48 UTC)
Expired: Jun 6, 2021, 1:45 AM CDT
In force: 57 min
Issued by: NWS Grand Forks, ND

County Roseau County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 200 km from the middle of the area, began a volume at 05:49 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, 5.8 hours before the alert went out and 163 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: 383 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 2694 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 334 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

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 5, 11:55 PM CDT, 53 minutes earlier.

Area forecast discussion, Jun 5, 11:55 PM CDT, 53 minutes before

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Hazardous weather outlook, Jun 5, 2:43 PM CDT, 10 hours 5 minutes before

Hazardous Weather Outlook
National Weather Service Grand Forks ND
243 PM CDT Sat Jun 5 2021

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-061945-
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-Towner-Cavalier-
Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson-Grand Forks-
Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent-Richland-
Western Walsh-
243 PM CDT Sat Jun 5 2021

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

.DAY ONE...This Afternoon and Tonight

Near critical fire weather conditions will continue into the
early evening, due to hot, dry conditions. Scattered
thunderstorms are possible late this evening into the overnight
hours, particularly within the Devils Lake basin and the northern
Red River Valley. Some storms may bring 75 mph wind gusts and one
inch hail.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Critical fire weather conditions will again be possible Sunday
behind a cold front within portions of North Dakota. There is
also a chance for strong thunderstorms within northwest and west-
central Minnesota, mainly from Baudette to Bemidji to Fergus
Falls.

For Monday through Thursday, there are slight chances for
thunderstorms but the probability for widespread hazardous
weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Local storm report, Jun 5, 9:05 PM CDT, 3 hours 43 minutes before

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Local storm report, Jun 5, 9:28 PM CDT, 3 hours 20 minutes before

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Special weather statement, Jun 5, 10:04 PM CDT, 2 hours 44 minutes before

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Local storm report, Jun 5, 10:10 PM CDT, 2 hours 38 minutes before

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Local storm report, Jun 6, 12:43 AM CDT, 5 minutes before

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Special weather statement, Jun 6, 12:48 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 5, 7:24 PM CDT	Special Weather Statement	FGF	Pembina	66 min
Jun 5, 7:47 PM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina	58 min
Jun 5, 8:44 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	16 min
Jun 6, 1:49 AM CDT	Special Weather Statement	FGF	Benson, Eddy, Towner	56 min
Jun 6, 1:55 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Eddy, Ramsey, Towner	65 min
Jun 6, 2:17 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Towner	43 min
Jun 6, 2:39 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Eddy, Grand Forks, Griggs, Nelson and 4 more	51 min
Jun 6, 3:24 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Pembina, Walsh	66 min
Jun 6, 4:33 AM CDT	Red Flag Warning	FGF	Barnes, Benson, Cass, Cavalier, Eddy, Grand Forks and 8 more	16 hr
Jun 5, 10:04 PM CDT	Special Weather Statement	FGF	Kittson	41 min
Jun 6, 11:23 AM CDT	Fire Weather Watch	FGF	Becker, Beltrami, Clay, Clearwater, Hubbard, Kittson and 8 more	16 hr

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.