Alert archive / North Dakota / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 50, NWS Bismarck, ND

July 11, 2023Adams County, Bowman County, Slope County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 11, 2023, 6:42 PM MDT for Adams County, Bowman County, Slope County, North Dakota. It was in force for 63 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 11, 2023, 6:42 PM MDT (00:42 UTC)
Expired
Jul 11, 2023, 7:45 PM MDT
In force
63 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Adams County, ND, Bowman County, ND, Slope County, ND

The radar

The Bismarck radar (KBIS), 194 km from the middle of the area, began a volume at 00:44 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.

IssuedProductOfficeLasted
Jul 11, 2:43 PM MDTSevere Thunderstorm WatchSPC8 hr

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 11, 5:47 PM MDT, 55 minutes earlier.

Area forecast discussion, Jul 11, 5:47 PM MDT, 55 minutes before
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Hazardous weather outlook, Jul 11, 5:49 PM MDT, 53 minutes before
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In the hours before

Local storm report, Jul 11, 1:37 PM MDT, 5 hours 5 minutes before
Preliminary Local Storm Report
National Weather Service Bismarck ND
237 PM CDT Tue Jul 11 2023

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

0235 PM     Rain             14 NE Hebron            47.03N 101.83W
07/11/2023  M0.70 inch       Mercer             ND   Public

            Storm total. Relayed via broadcast media.

&&

ZH
Special weather statement, Jul 11, 4:25 PM MDT, 2 hours 17 minutes before
Special Weather Statement
National Weather Service Bismarck ND
525 PM CDT Tue Jul 11 2023

NDZ010-017-018-112300-
McKenzie ND-Mountrail ND-Dunn ND-
525 PM CDT Tue Jul 11 2023

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN DUNN,
NORTHEASTERN MCKENZIE AND SOUTH CENTRAL MOUNTRAIL COUNTIES THROUGH
600 PM CDT...

At 524 PM CDT, a strong thunderstorm was located 14 miles east of
Watford City, moving southeast at 35 mph.

HAZARD...Wind gusts to 50 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.

Locations impacted include...
  Mandaree.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southwestern and northwestern North Dakota.

&&

LAT...LON 4775 10320 4799 10305 4787 10241 4751 10263
TIME...MOT...LOC 2224Z 293DEG 32KT 4783 10297

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

JONES
Special weather statement, Jul 11, 4:33 PM MDT, 2 hours 9 minutes before
Special Weather Statement
National Weather Service Bismarck ND
533 PM CDT Tue Jul 11 2023

NDZ031-032-040-043-112345-
Golden Valley-Billings-Slope-Bowman-
Including the cities of Beach, Medora, Marmarth, and Bowman
433 PM MDT Tue Jul 11 2023

...SEVERE THUNDERSTORM RISK INCREASING ACROSS SOUTHWESTERN NORTH
DAKOTA...

Isolated strong to severe thunderstorms may develop in Bowman and
Slope Counties before 6 PM MDT. If these storms develop, they may
produce very large hail, damaging winds, and possibly a tornado.

Thunderstorms will move out of Montana and into southwestern North
Dakota beginning about 6 PM MDT. There is a risk of severe storms
producing very large hail to tennis ball size and wind gusts to
70 mph between 6 PM and 9 PM MDT in parts of Golden Valley,
Billings, Slope, and Bowman Counties. A Severe Thunderstorm Watch
is in effect for this area until 9 PM MDT this evening.

CJS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 6:54 PM MDTSevere Thunderstorm Warning Considerable damage threatBISAdams, Sioux66 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2023Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.