Alert archive / North Dakota / Special Weather Statements in 2021

Special Weather Statement, NWS Bismarck, ND

May 22, 2021Stutsman County, North Dakota

NWS Bismarck, ND issued this special weather statement at May 22, 2021, 4:01 AM CDT for Stutsman County, North Dakota. It was in force for 29 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: May 22, 2021, 4:01 AM CDT (09:01 UTC)
Expired: May 22, 2021, 4:30 AM CDT
In force: 29 min
Issued by: NWS Bismarck, ND

County Stutsman County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 127 km from the middle of the area, began a volume at 09:02 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, 9.0 hours before the alert went out and 142 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 608 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 296 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 May 22, 3:58 AM CDT, 3 minutes earlier.

Area forecast discussion, May 22, 3:58 AM CDT, 3 minutes before

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Hazardous weather outlook, May 22, 3:23 AM CDT, 38 minutes before

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In the hours before

Special weather statement, May 22, 1:43 AM CDT, 2 hours 18 minutes before

Special Weather Statement
National Weather Service Bismarck ND
143 AM CDT Sat May 22 2021

NDZ046-220715-
Emmons ND-
143 AM CDT Sat May 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR EMMONS COUNTY UNTIL 215 AM CDT...

At 142 AM CDT, strong thunderstorms were located along a line
extending from near Prairie Knights Resort to near Westfield.
Movement was north at 50 mph.

Penny size hail and wind gusts to 40 mph will be possible with these
storms.

Locations impacted include...
Linton, Strasburg, Hazelton, Braddock, Temvik, Kintyre, Hazelton
Recreation Area, Beaver Bay Recreation Area and Hull.

Very heavy 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 shelter
inside a building or vehicle.

&&

LAT...LON 4624 10056 4628 10058 4633 10055 4637 10055
      4645 10060 4650 10058 4653 10054 4657 10059
      4659 10056 4661 10061 4664 10060 4663 10007
      4655 9991 4629 9992 4628 9988 4625 9988
      4601 10013
TIME...MOT...LOC 0642Z 200DEG 44KT 4631 10062 4606 10015

ANGLIN

Special weather statement, May 22, 2:43 AM CDT, 1 hour 18 minutes before

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Special weather statement, May 22, 2:57 AM CDT, 1 hour 4 minutes before

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Special weather statement, May 22, 3:12 AM CDT, 49 minutes before

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Special weather statement, May 22, 3:16 AM CDT, 45 minutes before

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Special weather statement, May 22, 4:01 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
May 22, 12:23 AM CDT	Special Weather Statement	BIS	Grant	37 min
May 22, 12:57 AM CDT	Special Weather Statement	BIS	Morton	18 min
May 22, 1:22 AM CDT	Special Weather Statement	BIS	Emmons	23 min
May 22, 1:43 AM CDT	Special Weather Statement	BIS	Emmons	32 min
May 22, 2:43 AM CDT	Special Weather Statement	BIS	Logan	32 min
May 22, 2:57 AM CDT	Special Weather Statement	BIS	Emmons	18 min
May 22, 3:12 AM CDT	Special Weather Statement	BIS	Logan	33 min
May 22, 3:16 AM CDT	Special Weather Statement	BIS	Logan	29 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.