Alert archive / North Dakota / Special Weather Statements in 2022

Special Weather Statement, NWS Bismarck, ND

August 15, 2022Emmons County, North Dakota

NWS Bismarck, ND issued this special weather statement at Aug 15, 2022, 2:21 PM CDT for Emmons 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
Aug 15, 2022, 2:21 PM CDT (19:21 UTC)
Expired
Aug 15, 2022, 3:00 PM CDT
In force
39 min
Issued by
NWS Bismarck, ND
Hail
0.88 in
Wind
50

County Emmons County, ND

The radar

The Bismarck radar (KBIS), 70 km from the middle of the area, began a volume at 19:24 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 12:00Z, 7.4 hours before the alert went out and 68 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, Bismarck Municip, ND at 12:00Z on 2022-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 586 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, Bismarck Municip, ND at 12:00Z on 2022-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.19395878Sfc1 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
586 J/kg
Mixed-layer CIN
-305 J/kg
Mixed-layer LCL
1359 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Aug 15, 1:02 PM CDT, 1 hour 19 minutes earlier.

Area forecast discussion, Aug 15, 1:02 PM CDT, 1 hour 19 minutes before
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Hazardous weather outlook, Aug 15, 1:07 PM CDT, 1 hour 14 minutes before
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In the hours before

Local storm report, Aug 15, 8:36 AM CDT, 5 hours 45 minutes before
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Special weather statement, Aug 15, 8:41 AM CDT, 5 hours 40 minutes before
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Special weather statement, Aug 15, 2:21 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Bismarck ND
221 PM CDT Mon Aug 15 2022

NDZ046-152000-
Emmons ND-
221 PM CDT Mon Aug 15 2022

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF CENTRAL EMMONS
COUNTY THROUGH 300 PM CDT...

At 220 PM CDT, a strong thunderstorm was located 10 miles southeast
of Prairie Knights Resort, or 10 miles northeast of Fort Yates,
moving northeast at 25 mph.

HAZARD...Wind gusts to 50 mph and nickel 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...
  Linton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4606 10049 4620 10058 4623 10056 4625 10056
      4656 9992 4629 9992 4628 9988 4625 9988
TIME...MOT...LOC 1920Z 243DEG 20KT 4619 10047

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

SAVADEL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 5:07 AM CDTSpecial Weather StatementBISMcHenry23 min
Aug 15, 5:27 AM CDTSpecial Weather StatementBISPierce33 min
Aug 15, 7:59 AM CDTSevere Thunderstorm WarningBISBottineau, Rolette61 min
Aug 15, 8:41 AM CDTSpecial Weather StatementBISMercer34 min
Aug 15, 4:48 PM CDTSpecial Weather StatementBISLaMoure27 min
Aug 15, 5:23 PM CDTTornado Warning Tornado observedBISMcLean37 min
Aug 15, 5:44 PM CDTTornado Warning Tornado observedBISMcLean31 min

Nearby

Special Weather Statements in North Dakota, 2022Every special weather statement in 2022

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.