Alert archive / North Dakota / Special Weather Statements in 2019

Special Weather Statement, NWS Bismarck, ND

July 19, 2019Adams County, North Dakota

NWS Bismarck, ND issued this special weather statement at Jul 19, 2019, 2:28 AM MDT for Adams County, North Dakota. It was in force for 47 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 19, 2019, 2:28 AM MDT (08:28 UTC)
Expired: Jul 19, 2019, 3:15 AM MDT
In force: 47 min
Issued by: NWS Bismarck, ND

County Adams County, ND

The radar

The Bismarck radar (KBIS), 126 km from the middle of the area, began a volume at 08:29 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

Rapid City, SD (KUNR), launched 00:00Z, 8.5 hours before the alert went out and 235 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: 1645 J/kg
Mixed-layer CIN: -82 J/kg
Mixed-layer LCL: 1566 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 304 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 13.3

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 18, 5:03 PM MDT, 9 hours 25 minutes earlier.

Area forecast discussion, Jul 18, 5:03 PM MDT, 9 hours 25 minutes before

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Hazardous weather outlook, Jul 18, 4:57 PM MDT, 9 hours 31 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 19, 1:14 AM MDT	Special Weather Statement	BIS	Bowman	46 min
Jul 19, 1:52 AM MDT	Special Weather Statement	BIS	Adams	38 min
Jul 19, 3:44 AM MDT	Special Weather Statement	BIS	Burleigh	46 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.