Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 24, NWS Grand Forks, ND

June 4, 2019Lake of the Woods County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 4, 2019, 4:03 PM CDT for Lake of the Woods County, Minnesota. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 4, 2019, 4:03 PM CDT (21:03 UTC)
Expired: Jun 4, 2019, 4:45 PM CDT
In force: 42 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Lake of the Woods County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 227 km from the middle of the area, began a volume at 21:05 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

Minneapolis, MN (KMPX), launched 12:00Z, 9.1 hours before the alert went out and 447 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1070 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 4, 3:10 PM CDT, 53 minutes earlier.

Area forecast discussion, Jun 4, 3:10 PM CDT, 53 minutes before

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Hazardous weather outlook, Jun 4, 10:33 AM CDT, 5 hours 30 minutes before

Hazardous Weather Outlook
National Weather Service Grand Forks ND
1033 AM CDT Tue Jun 4 2019

MNZ001>009-013>017-022>024-027>032-040-NDZ008-016-027-030-039-053-
051545-
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 County-Grand Forks-Traill-Cass-Richland-
1033 AM CDT Tue Jun 4 2019

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

.DAY ONE...Today and Tonight

Isolated to scattered severe thunderstorms are possible mid
afternoon thru the evening. Hail to 1.75 inches and wind gusts to
65 mph are the main threat. Low pressure will be near the
Manitoba and Minnesota border at mid afternoon with a cold front
southwest from there. Thunderstorms are expected to become more
numerous near the low and front as it moves east thru northwestern
and west central Minnesota in the 3 pm to 9 pm time period.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Next significant chance for thunderstorms will come Saturday night
into Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be necessary Tues afternoon.

NDZ006-007-014-015-024-026-028-029-038-049-052-054-051545-
Towner-Cavalier-Benson-Ramsey-Eddy-Nelson-Griggs-Steele-Barnes-
Ransom-Sargent-Western Walsh County-
1033 AM CDT Tue Jun 4 2019

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

.DAY ONE...Today and Tonight

Isolated non-severe thunderstorms are possible thru the early
afternoon.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Next significant chance for thunderstorms will come Saturday
afternoon into Saturday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Special weather statement, Jun 4, 10:44 AM CDT, 5 hours 19 minutes before

Special Weather Statement
National Weather Service Eastern ND/Grand Forks ND
1044 AM CDT Tue Jun 4 2019

MNZ030-031-040-041615-
East Otter Tail MN-Grant MN-West Otter Tail MN-
1044 AM CDT Tue Jun 4 2019

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN OTTER TAIL AND
NORTHERN GRANT COUNTIES UNTIL 1115 AM CDT...

At 1044 AM CDT, Doppler radar was tracking a strong thunderstorm near
Dalton, or 12 miles southeast of Fergus Falls, moving east at 25 mph.

Penny size hail will be possible with this storm.

Locations impacted include...
Elbow Lake, Ashby, Barrett, Dalton, Wendell, Vining and Erdahl.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Grand Forks.

&&

LAT...LON 4610 9627 4612 9627 4626 9609 4627 9546
      4611 9558 4611 9577 4593 9577 4593 9576
      4584 9577
TIME...MOT...LOC 1544Z 284DEG 21KT 4620 9583

Lynch

Special weather statement, Jun 4, 11:22 AM CDT, 4 hours 41 minutes before

Special Weather Statement
National Weather Service Eastern ND/Grand Forks ND
1122 AM CDT Tue Jun 4 2019

MNZ040-041700-
Grant MN-
1122 AM CDT Tue Jun 4 2019

...SIGNIFICANT WEATHER ADVISORY FOR GRANT COUNTY UNTIL NOON CDT...

At 1122 AM CDT, Doppler radar was tracking a strong thunderstorm over
Charlesville, or 25 miles south of Fergus Falls, moving east at 30
mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Norcross around 1130 AM CDT.
  Herman around 1135 AM CDT.
  Elbow Lake around 1145 AM CDT.
  Barrett around 1155 AM CDT.
  Hoffman around 1200 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Grand Forks.

&&

LAT...LON 4582 9625 4593 9625 4594 9626 4599 9627
      4603 9626 4605 9599 4599 9577 4593 9577
      4593 9576 4576 9576 4576 9599
TIME...MOT...LOC 1622Z 285DEG 24KT 4593 9623

Lynch

Local storm report, Jun 4, 12:12 PM CDT, 3 hours 51 minutes before

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Special weather statement, Jun 4, 1:23 PM CDT, 2 hours 40 minutes before

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Special weather statement, Jun 4, 2:06 PM CDT, 1 hour 57 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 4, 10:44 AM CDT	Special Weather Statement	FGF	Grant	31 min
Jun 4, 11:22 AM CDT	Special Weather Statement	FGF	Grant	38 min
Jun 4, 11:40 AM CDT	Severe Thunderstorm Warning	FGF	Grant	35 min
Jun 4, 1:23 PM CDT	Special Weather Statement	FGF	Otter Tail	37 min
Jun 4, 2:06 PM CDT	Special Weather Statement	FGF	Otter Tail	54 min
Jun 4, 4:28 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods	47 min
Jun 4, 4:40 PM CDT	Special Weather Statement	FGF	Lake of the Woods	65 min
Jun 4, 5:13 PM CDT	Special Weather Statement	FGF	Marshall	47 min
Jun 4, 5:16 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Lake of the Woods	37 min
Jun 4, 5:52 PM CDT	Special Weather Statement	FGF	Clay	38 min
Jun 4, 6:02 PM CDT	Special Weather Statement	FGF	Marshall, Pennington, Red Lake	43 min
Jun 4, 6:32 PM CDT	Special Weather Statement	FGF	Becker	28 min
Jun 4, 6:45 PM CDT	Special Weather Statement	FGF	Pennington, Polk, Red Lake	30 min
Jun 4, 12:35 AM CDT	Special Weather Statement	FGF	Benson, Eddy	55 min
Jun 4, 4:35 PM CDT	Special Weather Statement	FGF	Sargent	40 min
Jun 4, 6:07 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	53 min
Jun 4, 6:41 PM CDT	Special Weather Statement	FGF	Ransom	34 min
Jun 4, 6:53 PM CDT	Special Weather Statement	FGF	Cass	37 min
Jun 4, 6:54 PM CDT	Special Weather Statement	FGF	Cass	36 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2019 Every severe thunderstorm warning in 2019

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.