Alert archive / North Dakota / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 133, NWS Bismarck, ND

July 4, 20204 counties in North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 4, 2020, 5:10 PM CDT for 4 counties in North Dakota. It was in force for 65 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 4, 2020, 5:10 PM CDT (22:10 UTC)
Expired: Jul 4, 2020, 6:15 PM CDT
In force: 65 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Dickey County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND

The radar

The Aberdeen radar (KABR), 102 km from the middle of the area, began a volume at 22:12 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 4, 3:53 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.2 hours before the alert went out and 161 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: 1062 J/kg
Mixed-layer CIN: -159 J/kg
Mixed-layer LCL: 1334 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

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 Bismarck, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 4, 4:52 PM CDT, 18 minutes earlier.

Area forecast discussion, Jul 4, 4:52 PM CDT, 18 minutes before

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Hazardous weather outlook, Jul 4, 4:58 PM CDT, 12 minutes before

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In the hours before

Local storm report, Jul 4, 2:40 PM CDT, 2 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
240 PM CDT SAT JUL 4 2020

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

1100 PM     HAIL             HAYNES                  45.97N 102.47W
07/03/2020  E1.00 INCH       ADAMS              ND   PUBLIC

            LATE REPORT FROM LAST NIGHT. TIME ESTIMATED
            FROM RADAR.

&&

Local storm report, Jul 4, 2:44 PM CDT, 2 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
244 PM CDT SAT JUL 4 2020

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

1110 PM     TSTM WND GST     12 SSW BONETRAIL        48.26N 103.94W
07/03/2020  E60 MPH          WILLIAMS           ND   PUBLIC

            LATE REPORT FROM LAST NIGHT. TIME ESTIMATED
            FROM RADAR.

&&

Special weather statement, Jul 4, 3:19 PM CDT, 1 hour 51 minutes before

Special Weather Statement
National Weather Service Bismarck ND
319 PM CDT Sat Jul 4 2020

NDZ048-051-042045-
La Moure ND-Dickey ND-
319 PM CDT Sat Jul 4 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN LAMOURE AND
NORTHWESTERN DICKEY COUNTIES UNTIL 345 PM CDT...

At 319 PM CDT, a strong thunderstorm was located near Edgeley, moving
east at 25 mph.

Penny size hail and wind gusts to 40 mph will be possible with this
storm.

Locations impacted include...
Edgeley and Kulm.

This storm 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 4623 9899 4637 9901 4648 9854 4625 9846
TIME...MOT...LOC 2019Z 253DEG 21KT 4633 9877

SCHILD

Local storm report, Jul 4, 4:43 PM CDT, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
443 PM CDT SAT JUL 4 2020

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

0427 PM     HAIL             5 E KULM                46.30N 98.85W
07/04/2020  E1.00 INCH       LAMOURE            ND   PUBLIC

            REPORT RECEIVED VIA SOCIAL MEDIA.

&&

JNS

Local storm report, Jul 4, 4:56 PM CDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
456 PM CDT SAT JUL 4 2020

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

0358 PM     HAIL             4 NNE KULM              46.35N 98.92W
07/04/2020  M1.00 INCH       LAMOURE            ND   TRAINED SPOTTER

&&

MH

Local storm report, Jul 4, 4:57 PM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
457 PM CDT SAT JUL 4 2020

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

0449 PM     HAIL             3 SW FREDONIA           46.30N 99.14W
07/04/2020  E1.25 INCH       LOGAN              ND   PUBLIC

            REPORT RECEIVED VIA SOCIAL MEDIA.

&&

JNS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 9:04 PM CDT	Special Weather Statement	BIS	Bowman, Golden Valley, Slope	41 min
Jul 3, 9:46 PM CDT	Special Weather Statement	BIS	Slope	29 min
Jul 3, 10:31 PM CDT	Special Weather Statement	BIS	McKenzie	29 min
Jul 3, 10:44 PM CDT	Special Weather Statement	BIS	Adams	31 min
Jul 3, 10:56 PM CDT	Severe Thunderstorm Warning	BIS	Adams	34 min
Jul 3, 11:00 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	45 min
Jul 3, 11:37 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	38 min
Jul 3, 11:48 PM CDT	Special Weather Statement	BIS	Grant, Morton	42 min
Jul 4, 12:13 AM CDT	Severe Thunderstorm Warning	BIS	Adams, Hettinger	62 min
Jul 4, 1:09 AM CDT	Special Weather Statement	BIS	Slope	36 min
Jul 4, 1:18 AM CDT	Special Weather Statement	BIS	McLean	42 min
Jul 4, 3:19 PM CDT	Special Weather Statement	BIS	LaMoure	26 min
Jul 4, 3:37 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure	53 min
Jul 4, 4:26 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	64 min
Jul 4, 4:27 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan	48 min
Jul 4, 5:07 PM CDT	Areal Flood Advisory	BIS	Dickey, LaMoure	7 hr
Jul 4, 5:09 PM CDT	Flash Flood Watch	BIS	Dickey, LaMoure, Logan, McIntosh	4 hr
Jul 4, 5:25 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	65 min
Jul 4, 5:40 PM CDT	Tornado Warning	BIS	Dickey	35 min
Jul 4, 5:57 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure, Logan, McIntosh	63 min
Jul 4, 6:02 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	58 min
Jul 4, 6:44 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	31 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2020 Every severe thunderstorm warning in 2020

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.