Alert archive / North Dakota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 187, NWS Grand Forks, ND

July 19, 20225 counties in North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 19, 2022, 4:42 AM CDT for 5 counties in North Dakota. It was in force for 48 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: Jul 19, 2022, 4:42 AM CDT (09:42 UTC)
Expired: Jul 19, 2022, 5:30 AM CDT
In force: 48 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cavalier County, ND, Pembina County, ND, Ramsey County, ND, Towner County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 139 km from the middle of the area, began a volume at 09:43 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 9.7 hours before the alert went out and 267 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: 2696 J/kg
Mixed-layer CIN: -192 J/kg
Mixed-layer LCL: 1901 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.4

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 Jul 19, 4:40 AM CDT, 2 minutes earlier.

Area forecast discussion, Jul 19, 4:40 AM CDT, 2 minutes before

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Hazardous weather outlook, Jul 18, 5:26 AM CDT, 23 hours 16 minutes before

Hazardous Weather Outlook
National Weather Service Grand Forks ND
526 AM CDT Mon Jul 18 2022

MNZ004>006-008-009-013>017-022>024-028-032-NDZ006>008-191030-
Kittson-Roseau-Lake Of The Woods-East Marshall-North Beltrami-
Pennington-Red Lake-East Polk-North Clearwater-South Beltrami-
Mahnomen-South Clearwater-Hubbard-East Becker-Wadena-Towner-
Cavalier-Pembina-
526 AM CDT Mon Jul 18 2022

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

.DAY ONE...Today and Tonight

Heat index values will range from 92 to 98 degrees this afternoon. Isolated
to scattered severe thunderstorms are possible this evening and
into the overnight hours. Hail up to 2 inches, damaging wind gusts
up to 70 mph, and tornadoes are all possible.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Scattered severe thunderstorms are possible Tuesday, with Hail up
to 1 inch and damaging wind gusts to 60 mph possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

MNZ001>003-007-027-029>031-040-NDZ014>016-024-026>030-038-039-049-
052>054-191030-
West Polk-Norman-Clay-West Marshall-West Becker-Wilkin-
West Otter Tail-East Otter Tail-Grant-Benson-Ramsey-Eastern Walsh-
Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom-
Sargent-Richland-Western Walsh-
526 AM CDT Mon Jul 18 2022

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

.DAY ONE...Today and Tonight

Heat index values will range from 100 to 104 degrees this
afternoon. Isolated to scattered severe thunderstorms are possible
this evening and into the overnight hours. Hail up to 2 inches,
damaging wind gusts up to 70 mph, and tornadoes are all possible.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Scattered severe thunderstorms are possible Tuesday, with Hail up
to 1 inch and damaging wind gusts to 60 mph possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Special weather statement, Jul 19, 1:08 AM CDT, 3 hours 34 minutes before

Special Weather Statement
National Weather Service Grand Forks ND
108 AM CDT Tue Jul 19 2022

MNZ001-NDZ027-030-190700-
West Polk MN-Traill ND-Grand Forks ND-
108 AM CDT Tue Jul 19 2022

...Strong thunderstorms will impact portions of west central Polk,
eastern Grand Forks and northeastern Traill Counties through 200 AM
CDT...

At 108 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Arvilla to near Holmes to Reynolds.
Movement was northeast at 30 mph.

HAZARD...Winds in excess of 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Strong thunderstorms will be near...
  Reynolds and Buxton around 110 AM CDT.
  Thompson around 125 AM CDT.
  Merrifield around 130 AM CDT.
  Grand Forks and Bygland around 135 AM CDT.
  Eldred around 140 AM CDT.

Other locations impacted by these storms include Grand Forks Airport.

This includes Interstate 29 between mile markers 117 and 153.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4812 9711 4800 9677 4774 9656 4755 9715
      4776 9739 4785 9765
TIME...MOT...LOC 0608Z 241DEG 24KT 4786 9747 4780 9730 4765 9713

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

Lynch

Special weather statement, Jul 19, 2:20 AM CDT, 2 hours 22 minutes before

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Special weather statement, Jul 19, 2:44 AM CDT, 1 hour 58 minutes before

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Special weather statement, Jul 19, 2:57 AM CDT, 1 hour 45 minutes before

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Local storm report, Jul 19, 4:12 AM CDT, 30 minutes before

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Local storm report, Jul 19, 4:29 AM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND FORKS ND
429 AM CDT TUE JUL 19 2022

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

0415 AM     TSTM WND GST     1 WSW CANDO             48.48N 99.23W
07/19/2022  M62 MPH          TOWNER             ND   AWOS

            AWOS STATION K9D7 CANDO AP ND.

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 10:06 PM CDT	Special Weather Statement	FGF	Traill	39 min
Jul 18, 11:52 PM CDT	Special Weather Statement	FGF	Ransom, Sargent	23 min
Jul 19, 1:02 AM CDT	Special Weather Statement	FGF	Richland	58 min
Jul 19, 1:08 AM CDT	Special Weather Statement	FGF	Grand Forks	52 min
Jul 19, 1:19 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	56 min
Jul 19, 2:13 AM CDT	Severe Thunderstorm Warning	FGF	Grand Forks, Walsh	29 min
Jul 19, 3:37 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier	38 min
Jul 19, 3:48 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Ramsey, Towner	57 min
Jul 19, 4:10 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Cavalier, Towner	50 min
Jul 19, 5:21 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FGF	Cavalier, Pembina, Walsh	54 min
Jul 19, 6:11 AM CDT	Severe Thunderstorm Warning	FGF	Pembina, Walsh	64 min
Jul 19, 9:54 AM CDT	Wind Advisory	FGF	Barnes, Cass, Ransom, Richland, Sargent	10 hr
Jul 19, 3:26 PM CDT	Flash Flood Warning	FGF	Cavalier	3 hr
Jul 19, 5:06 PM CDT	Areal Flood Advisory	FGF	Pembina	4 hr
Jul 19, 1:58 AM CDT	Severe Thunderstorm Warning	FGF	Kittson, Roseau	51 min
Jul 19, 2:00 AM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods, Roseau	60 min
Jul 19, 2:20 AM CDT	Special Weather Statement	FGF	Wilkin	40 min
Jul 19, 2:44 AM CDT	Special Weather Statement	FGF	Marshall	31 min
Jul 19, 2:57 AM CDT	Special Weather Statement	FGF	Lake of the Woods	48 min
Jul 19, 7:04 AM CDT	Special Weather Statement	FGF	Marshall, Roseau	41 min
Jul 19, 7:48 AM CDT	Special Weather Statement	FGF	Roseau	42 min
Jul 19, 10:53 AM CDT	Special Weather Statement	FGF	Roseau	37 min
Jul 19, 1:35 PM CDT	Special Weather Statement	FGF	Kittson, Marshall	40 min
Jul 19, 1:37 PM CDT	Tornado Warning	FGF	Kittson	23 min
Jul 19, 2:32 PM CDT	Special Weather Statement	FGF	Kittson	43 min
Jul 19, 2:39 PM CDT	Severe Thunderstorm Warning	FGF	Kittson, Roseau	36 min
Jul 19, 3:23 PM CDT	Special Weather Statement	FGF	Lake of the Woods	37 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2022 Every severe thunderstorm warning in 2022

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.