Alert archive / Minnesota / Special Weather Statements in 2023

Special Weather Statement, NWS Grand Forks, ND

July 26, 2023

NWS Grand Forks, ND issued this special weather statement at Jul 26, 2023, 10:21 PM CDT. It was in force for 39 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
Jul 26, 2023, 10:21 PM CDT (03:21 UTC)
Expired
Jul 26, 2023, 11:00 PM CDT
In force
39 min
Issued by
NWS Grand Forks, ND
Hail
0.88 in
Wind
50

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 3.4 hours before the alert went out and 148 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 00:00Z on 2023-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 828 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 00:00Z on 2023-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.193958Sfc1 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
828 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1914 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.1

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 Jul 26, 7:04 PM CDT, 3 hours 17 minutes earlier.

Area forecast discussion, Jul 26, 7:04 PM CDT, 3 hours 17 minutes before
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Hazardous weather outlook, Jul 26, 8:22 AM CDT, 13 hours 59 minutes before
Hazardous Weather Outlook
National Weather Service Grand Forks ND
822 AM CDT Wed Jul 26 2023

MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024-
026>030-038-039-049-052>054-271330-
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-
822 AM CDT Wed Jul 26 2023

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

.DAY ONE...Today and Tonight

Isolated severe thunderstorms are possible across much the region
this afternoon and evening. The main hazards associated with the
strongest storms will be large hail up to half dollar and
damaging wind gusts up to 60 mph.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Isolated severe thunderstorms are possible across portions of the
region on Thursday, primarily along and south of I 94. The main
hazards will be hail up to 1 inch and wind gusts to 60 mph.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Special weather statement, Jul 26, 10:07 PM CDT, 14 minutes before
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Special weather statement, Jul 26, 10:21 PM 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
Jul 26, 11:41 PM CDTSevere Thunderstorm WarningFGFPolk, Red Lake64 min
Jul 26, 11:50 PM CDTSpecial Weather StatementFGFBeltrami40 min
Jul 26, 11:58 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Pennington, Red Lake30 min
Jul 26, 11:59 PM CDTSevere Thunderstorm WarningFGFBeltrami, Lake of the Woods46 min
Jul 27, 12:39 AM CDTSevere Thunderstorm Warning Considerable damage threatFGFBeltrami, Clearwater, Polk66 min
Jul 27, 1:15 AM CDTSevere Thunderstorm WarningFGFBeltrami39 min
Jul 27, 1:54 AM CDTSpecial Weather StatementFGFBeltrami51 min
Jul 27, 2:09 AM CDTSpecial Weather StatementFGFClay51 min
Jul 27, 2:37 AM CDTSpecial Weather StatementFGFClay23 min
Jul 26, 10:07 PM CDTSpecial Weather StatementFGFRichland23 min
Jul 27, 1:06 AM CDTSpecial Weather StatementFGFRansom39 min
Jul 27, 1:35 AM CDTSpecial Weather StatementFGFCass40 min

Nearby

Special Weather Statements in Minnesota, 2023Every special weather statement in 2023

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.