Alert archive / North Dakota / Special Weather Statements in 2021

Special Weather Statement, NWS Bismarck, ND

August 26, 2021Dickey County, North Dakota

NWS Bismarck, ND issued this special weather statement at Aug 26, 2021, 1:40 PM CDT for Dickey County, North Dakota. It was in force for 20 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 26, 2021, 1:40 PM CDT (18:40 UTC)
Expired
Aug 26, 2021, 2:00 PM CDT
In force
20 min
Issued by
NWS Bismarck, ND
Hail
0.75 in
Wind
40

County Dickey County, ND

The radar

The Aberdeen radar (KABR), 84 km from the middle of the area, began a volume at 18:41 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 12:00Z, 6.7 hours before the alert went out and 146 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, Aberdeen, SD at 12:00Z on 2021-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Aberdeen, SD at 12:00Z on 2021-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 365 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1092 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
365 m²/s²
0-3 km storm-relative helicity
490 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

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 26, 12:51 PM CDT, 49 minutes earlier.

Area forecast discussion, Aug 26, 12:51 PM CDT, 49 minutes before
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Hazardous weather outlook, Aug 26, 9:44 AM CDT, 3 hours 56 minutes before
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In the hours before

Local storm report, Aug 26, 10:39 AM CDT, 3 hours 1 minute before
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Local storm report, Aug 26, 10:40 AM CDT, 3 hours before
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Local storm report, Aug 26, 11:20 AM CDT, 2 hours 20 minutes before
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Local storm report, Aug 26, 11:37 AM CDT, 2 hours 3 minutes before
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Local storm report, Aug 26, 12:05 PM CDT, 1 hour 35 minutes before
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Special weather statement, Aug 26, 1:40 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 1:58 AM CDTSpecial Weather StatementBISBowman32 min
Aug 26, 2:18 AM CDTSevere Thunderstorm WarningBISAdams, Bowman27 min
Aug 26, 2:43 AM CDTSevere Thunderstorm WarningBISAdams, Bowman32 min
Aug 26, 3:17 AM CDTSpecial Weather StatementBISAdams, Hettinger43 min
Aug 26, 3:28 AM CDTSevere Thunderstorm WarningBISAdams32 min
Aug 26, 3:52 AM CDTSevere Thunderstorm WarningBISAdams, Grant, Sioux23 min
Aug 26, 1:58 PM CDTSpecial Weather StatementBISLaMoure32 min

Nearby

Special Weather Statements in North Dakota, 2021Every 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.