Alert archive / North Dakota / Special Weather Statements in 2019

Special Weather Statement, NWS Bismarck, ND

July 16, 2019Oliver County, North Dakota

NWS Bismarck, ND issued this special weather statement at Jul 16, 2019, 11:21 PM CDT for Oliver 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: Jul 16, 2019, 11:21 PM CDT (04:21 UTC)
Expired: Jul 17, 2019, 12:00 AM CDT
In force: 39 min
Issued by: NWS Bismarck, ND

County Oliver County, ND

The radar

The Bismarck radar (KBIS), 46 km from the middle of the area, began a volume at 04:22 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 00:00Z, 4.4 hours before the alert went out and 322 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: 788 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1663 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 6.7

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 Jul 16, 8:55 PM CDT, 2 hours 26 minutes earlier.

Area forecast discussion, Jul 16, 8:55 PM CDT, 2 hours 26 minutes before

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In the hours before

Local storm report, Jul 16, 8:19 PM CDT, 3 hours 2 minutes before

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Local storm report, Jul 16, 9:19 PM CDT, 2 hours 2 minutes before

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Special weather statement, Jul 16, 10:15 PM CDT, 1 hour 6 minutes before

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Local storm report, Jul 16, 10:18 PM CDT, 1 hour 3 minutes before

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Special weather statement, Jul 16, 10:35 PM CDT, 46 minutes before

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Special weather statement, Jul 16, 11:21 PM 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
Jul 16, 7:19 PM CDT	Severe Thunderstorm Warning	BIS	Grant	56 min
Jul 16, 8:00 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	45 min
Jul 16, 8:14 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Stark	46 min
Jul 16, 8:56 PM CDT	Severe Thunderstorm Warning	BIS	Hettinger	64 min
Jul 16, 9:59 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger	61 min
Jul 16, 10:15 PM CDT	Special Weather Statement	BIS	McKenzie	30 min
Jul 16, 10:35 PM CDT	Special Weather Statement	BIS	McKenzie	40 min
Jul 17, 12:12 AM CDT	Special Weather Statement	BIS	Billings, Golden Valley	48 min
Jul 17, 12:44 AM CDT	Special Weather Statement	BIS	Logan	31 min
Jul 17, 1:14 AM CDT	Special Weather Statement	BIS	Logan	46 min
Jul 17, 1:36 AM CDT	Areal Flood Advisory	BIS	Kidder, Wells	3 hr
Jul 17, 2:05 AM CDT	Special Weather Statement	BIS	Foster	40 min
Jul 17, 2:39 AM CDT	Areal Flood Advisory	BIS	Foster, Stutsman, Wells	3 hr
Jul 17, 4:29 PM CDT	Special Weather Statement	BIS	Hettinger	31 min
Jul 17, 4:36 PM CDT	Special Weather Statement	BIS	McKenzie	39 min
Jul 17, 4:56 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Hettinger	49 min
Jul 17, 6:17 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	58 min
Jul 17, 6:38 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, Stark	67 min

Nearby

Special Weather Statements in North Dakota, 2019 Every special weather statement 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.