Alert archive / North Dakota / Excessive Heat Warnings in 2016

Excessive Heat Warning 1, NWS Bismarck, ND

July 20, 201614 counties in North Dakota

NWS Bismarck, ND issued this excessive heat warning at Jul 20, 2016, 2:24 PM CDT for 14 counties in North Dakota. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 20, 2016, 2:24 PM CDT (19:24 UTC)
Expired: Jul 20, 2016, 8:30 PM CDT
In force: 6 hr
Issued by: NWS Bismarck, ND

Counties Burleigh County, ND, Dickey County, ND, Emmons County, ND, Foster County, ND, Grant County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Mercer County, ND, Oliver County, ND, Sheridan County, ND, Stutsman County, ND, Wells County, ND

The radar

The Bismarck radar (KBIS), 63 km from the middle of the area, began a volume at 19:26 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 59 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: 2285 J/kg
Mixed-layer CIN: -286 J/kg
Mixed-layer LCL: 1417 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 205 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this excessive heat 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 excessive heat warning went out at Jul 20, 12:47 PM CDT, 1 hour 37 minutes earlier.

Area forecast discussion, Jul 20, 12:47 PM CDT, 1 hour 37 minutes before

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Hazardous weather outlook, Jul 20, 12:35 PM CDT, 1 hour 49 minutes before

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<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 8:15 PM CDT	Heat Advisory	BIS	Adams, Bowman, Burleigh, Dickey, Dunn, Emmons and 16 more	24 hr
Jul 19, 9:35 PM CDT	Special Weather Statement	BIS	Slope	25 min
Jul 20, 4:24 PM CDT	Special Weather Statement	BIS	Ward	21 min
Jul 20, 4:40 PM CDT	Tornado Warning	BIS	Mountrail, Ward	35 min
Jul 20, 5:12 PM CDT	Severe Thunderstorm Warning	BIS	Mountrail, Renville, Ward	48 min
Jul 20, 5:31 PM CDT	Special Weather Statement	BIS	Adams	44 min
Jul 20, 5:44 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	61 min
Jul 20, 6:05 PM CDT	Severe Thunderstorm Warning	BIS	Adams	38 min
Jul 20, 6:33 PM CDT	Special Weather Statement	BIS	Grant	27 min
Jul 20, 6:42 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Pierce	63 min
Jul 20, 6:52 PM CDT	Severe Thunderstorm Warning	BIS	Grant	68 min

Nearby

Excessive Heat Warnings in North Dakota, 2016 Every excessive heat warning in 2016

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.