Alert archive / Minnesota / Special Weather Statements in 2024

Special Weather Statement, NWS Grand Forks, ND

August 3, 2024Lake of the Woods County, Minnesota

NWS Grand Forks, ND issued this special weather statement at Aug 3, 2024, 9:55 AM CDT for Lake of the Woods County, Minnesota. It was in force for 35 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
Aug 3, 2024, 9:55 AM CDT (14:55 UTC)
Expired
Aug 3, 2024, 10:30 AM CDT
In force
35 min
Issued by
NWS Grand Forks, ND
Hail
0.88 in
Wind
40

County Lake of the Woods County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 205 km from the middle of the area, began a volume at 14:56 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, 2.9 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-pSkew-T log-p diagram, International Fa, MN at 12:00Z on 2024-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 12:00Z on 2024-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.19395878Sfc1 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
19 J/kg
Mixed-layer CIN
-310 J/kg
Mixed-layer LCL
1214 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

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 Aug 3, 9:51 AM CDT, 4 minutes earlier.

Area forecast discussion, Aug 3, 9:51 AM CDT, 4 minutes before
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Hazardous weather outlook, Aug 3, 6:50 AM CDT, 3 hours 5 minutes before
Hazardous Weather Outlook
National Weather Service Grand Forks ND
650 AM CDT Sat Aug 3 2024

MNZ002-003-016-017-022>024-027>032-040-NDZ039-049-052-053-041200-
Norman-Clay-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Hubbard-West Becker-East Becker-Wilkin-
West Otter Tail-East Otter Tail-Wadena-Grant-Cass-Ransom-Sargent-
Richland-
650 AM CDT Sat Aug 3 2024

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

.DAY ONE...Today and Tonight

There is a level 2 out of 5 severe thunderstorm risk Saturday
afternoon and early evening across parts of west central Minnesota
and extreme southeast North Dakota, with a level 1 risk
surrounding it just north to near Bemidji and Fargo.

The main hazards will be very large hail and damaging wind gusts.

General storm motion...Moving toward the southeast at 25 mph.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required today.

MNZ001-004>009-013>015-NDZ006>008-014>016-024-026>030-038-054-
041200-
West Polk-Kittson-Roseau-Lake Of The Woods-West Marshall-
East Marshall-North Beltrami-Pennington-Red Lake-East Polk-Towner-
Cavalier-Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson-
Grand Forks-Griggs-Steele-Traill-Barnes-Western Walsh-
650 AM CDT Sat Aug 3 2024

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

.DAY ONE...Today and Tonight

Scattered thunderstorms expected across the region this morning
into early afternoon. The main hazard will be lightning.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today.

In the hours before

Special weather statement, Aug 3, 7:23 AM CDT, 2 hours 32 minutes before
Special Weather Statement
National Weather Service Grand Forks ND
723 AM CDT Sat Aug 3 2024

MNZ004-005-031300-
Kittson MN-Roseau MN-
723 AM CDT Sat Aug 3 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN KITTSON AND WESTERN
ROSEAU COUNTIES THROUGH 800 AM CDT...

At 723 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles south of Caribou, or 29 miles west of Roseau, moving southeast
at 45 mph.

HAZARD...Nickel size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vegetation is possible.

Locations impacted include...
Greenbush, Leo, Haug, and Caribou.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4894 9591 4854 9620 4855 9626 4885 9663
      4900 9648
TIME...MOT...LOC 1223Z 294DEG 39KT 4887 9641

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...<30 MPH

Perroux
Special weather statement, Aug 3, 8:06 AM CDT, 1 hour 49 minutes before
Special Weather Statement
National Weather Service Grand Forks ND
806 AM CDT Sat Aug 3 2024

MNZ005-031330-
Roseau MN-
806 AM CDT Sat Aug 3 2024

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL ROSEAU COUNTY
THROUGH 830 AM CDT...

At 806 AM CDT, Doppler radar was tracking a strong thunderstorm 7
miles northwest of Wannaska, or 11 miles southwest of Roseau, moving
southeast at 35 mph.

HAZARD...Penny size hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vegetation is possible.

Locations impacted include...
Wannaska, Malung, Hayes Lake State Park, Casperson, Pencer, Skime,
and Torfin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4877 9538 4854 9558 4854 9589 4865 9610
      4881 9599
TIME...MOT...LOC 1306Z 294DEG 31KT 4870 9588

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH

Perroux
Local storm report, Aug 3, 9:31 AM CDT, 24 minutes before
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Special weather statement, Aug 3, 9:55 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.

IssuedProductOfficeCountiesLasted
Aug 3, 2:57 PM CDTHeat AdvisoryFGFRansom, Richland, Sargent4 hr
Aug 3, 7:23 AM CDTSpecial Weather StatementFGFRoseau37 min
Aug 3, 8:06 AM CDTSpecial Weather StatementFGFRoseau24 min
Aug 3, 8:23 AM CDTSevere Thunderstorm WarningFGFBeltrami, Lake of the Woods, Marshall, Roseau52 min
Aug 3, 9:01 AM CDTSevere Thunderstorm WarningFGFBeltrami, Lake of the Woods59 min
Aug 3, 10:10 AM CDTSevere Thunderstorm WarningFGFLake of the Woods, Roseau51 min
Aug 3, 10:33 AM CDTSpecial Weather StatementFGFLake of the Woods27 min
Aug 3, 11:07 AM CDTSpecial Weather StatementFGFLake of the Woods23 min
Aug 3, 11:09 AM CDTSevere Thunderstorm WarningFGFLake of the Woods36 min
Aug 3, 11:37 AM CDTSpecial Weather StatementFGFLake of the Woods38 min
Aug 3, 11:54 AM CDTSpecial Weather StatementFGFBeltrami51 min
Aug 3, 11:55 AM CDTSpecial Weather StatementFGFBeltrami50 min
Aug 3, 12:05 PM CDTSevere Thunderstorm WarningFGFBeltrami25 min
Aug 3, 2:36 PM CDTSpecial Weather StatementFGFRed Lake24 min
Aug 3, 3:03 PM CDTSpecial Weather StatementFGFBeltrami27 min
Aug 3, 4:55 PM CDTSevere Thunderstorm WarningFGFBeltrami, Hubbard20 min
Aug 3, 5:36 PM CDTSevere Thunderstorm WarningFGFOtter Tail, Wadena39 min
Aug 3, 5:52 PM CDTSpecial Weather StatementFGFHubbard8 min
Aug 3, 6:11 PM CDTSevere Thunderstorm Warning Considerable damage threatFGFWadena34 min
Aug 3, 6:24 PM CDTSevere Thunderstorm WarningFGFOtter Tail, Wadena40 min

Nearby

Special Weather Statements in Minnesota, 2024Every special weather statement in 2024

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.