Alert archive / North Dakota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 196, NWS Bismarck, ND

August 20, 2019Kidder County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Aug 20, 2019, 12:13 AM CDT for Kidder County, North Dakota. It was in force for 45 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
Aug 20, 2019, 12:13 AM CDT (05:13 UTC)
Expired
Aug 20, 2019, 12:58 AM CDT
In force
45 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Kidder County, ND

The radar

The Bismarck radar (KBIS), 78 km from the middle of the area, began a volume at 05:16 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, 5.2 hours before the alert went out and 74 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 00:00Z on 2019-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 490 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 00:00Z on 2019-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.193958Sfc1 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
490 J/kg
Mixed-layer CIN
-264 J/kg
Mixed-layer LCL
2105 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

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 Aug 19, 10:19 PM CDT, 1 hour 54 minutes earlier.

Area forecast discussion, Aug 19, 10:19 PM CDT, 1 hour 54 minutes before
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Hazardous weather outlook, Aug 19, 10:14 PM CDT, 1 hour 59 minutes before
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In the hours before

Local storm report, Aug 19, 7:36 PM CDT, 4 hours 37 minutes before
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Local storm report, Aug 19, 7:53 PM CDT, 4 hours 20 minutes before
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Local storm report, Aug 19, 8:44 PM CDT, 3 hours 29 minutes before
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Local storm report, Aug 19, 8:56 PM CDT, 3 hours 17 minutes before
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Special weather statement, Aug 19, 10:39 PM CDT, 1 hour 34 minutes before
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Special weather statement, Aug 20, 12:01 AM CDT, 12 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 7:04 PM CDTSevere Thunderstorm WarningBISBillings, Dunn56 min
Aug 19, 8:09 PM CDTSevere Thunderstorm WarningBISDunn, Stark24 min
Aug 19, 10:39 PM CDTSpecial Weather StatementBISPierce51 min
Aug 19, 10:52 PM CDTSevere Thunderstorm WarningBISMcHenry, Pierce41 min
Aug 20, 12:01 AM CDTSpecial Weather StatementBISKidder44 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2019Every severe thunderstorm warning in 2019

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.