Alert archive / North Dakota / Special Weather Statements in 2021

Special Weather Statement, NWS Bismarck, ND

September 2, 2021Kidder County, Stutsman County, North Dakota

NWS Bismarck, ND issued this special weather statement at Sep 2, 2021, 6:51 AM CDT for Kidder County, Stutsman County, North Dakota. 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: Sep 2, 2021, 6:51 AM CDT (11:51 UTC)
Expired: Sep 2, 2021, 7:30 AM CDT
In force: 39 min
Issued by: NWS Bismarck, ND
Hail: 0.50 in
Wind: 30

Counties Kidder County, ND, Stutsman County, ND

The radar

The Bismarck radar (KBIS), 134 km from the middle of the area, began a volume at 11:50 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

Aberdeen, SD (KABR), launched 00:00Z, 11.9 hours before the alert went out and 224 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: 12 J/kg
Mixed-layer CIN: -408 J/kg
Mixed-layer LCL: 1249 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 161 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 Bismarck, ND wrote its last area forecast discussion before this special weather statement went out at Sep 2, 6:46 AM CDT, 5 minutes earlier.

Area forecast discussion, Sep 2, 6:46 AM CDT, 5 minutes before

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Hazardous weather outlook, Sep 2, 6:38 AM CDT, 13 minutes before

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In the hours before

Special weather statement, Sep 2, 5:39 AM CDT, 1 hour 12 minutes before

Special Weather Statement
National Weather Service Bismarck ND
539 AM CDT Thu Sep 2 2021

NDZ003-004-011-021130-
Bottineau ND-Ward ND-Renville ND-
539 AM CDT Thu Sep 2 2021

...A strong thunderstorm will impact portions of north central Ward,
northwestern Bottineau and western Renville Counties through 630 AM
CDT...

At 538 AM CDT, Doppler radar was tracking a strong thunderstorm 5
miles west of Greene, or 16 miles southwest of Mohall, moving
northeast at 30 mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

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

This strong thunderstorm will be near...
  Greene around 550 AM CDT.

Other locations in the path of this storm include Mohall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

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.

&&

LAT...LON 4892 10086 4881 10115 4851 10182 4868 10201
      4900 10156 4900 10088
TIME...MOT...LOC 1038Z 230DEG 24KT 4866 10183

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

ANGLIN

Local storm report, Sep 2, 5:50 AM CDT, 1 hour 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
550 AM CDT THU SEP 2 2021

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

0550 AM     HAIL             1 W STANLEY             48.32N 102.41W
09/02/2021  E1.00 INCH       MOUNTRAIL          ND   TRAINED SPOTTER

&&

JAA

Special weather statement, Sep 2, 5:56 AM CDT, 55 minutes before

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Special weather statement, Sep 2, 6:28 AM CDT, 23 minutes before

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Special weather statement, Sep 2, 6:30 AM CDT, 21 minutes before

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Special weather statement, Sep 2, 6:51 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 1, 10:54 PM CDT	Special Weather Statement	BIS	LaMoure	36 min
Sep 2, 5:32 AM CDT	Special Weather Statement	BIS	Mountrail	28 min
Sep 2, 5:39 AM CDT	Special Weather Statement	BIS	Renville	51 min
Sep 2, 5:45 AM CDT	Severe Thunderstorm Warning	BIS	Mountrail	30 min
Sep 2, 5:56 AM CDT	Special Weather Statement	BIS	Mountrail	34 min
Sep 2, 6:28 AM CDT	Special Weather Statement	BIS	Renville	47 min
Sep 2, 6:30 AM CDT	Special Weather Statement	BIS	McKenzie	30 min
Sep 2, 6:55 AM CDT	Special Weather Statement	BIS	Dunn	35 min
Sep 2, 7:22 AM CDT	Special Weather Statement	BIS	Bottineau, Ward	23 min
Sep 2, 7:40 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Renville, Ward	29 min
Sep 2, 8:30 AM CDT	Special Weather Statement	BIS	Bottineau	30 min
Sep 2, 10:04 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, Slope	41 min

Nearby

Special Weather Statements in North Dakota, 2021 Every special weather statement in 2021

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.