Alert archive / North Dakota / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 216, NWS Bismarck, ND

July 10, 2010Hettinger County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 10, 2010, 7:24 PM MDT for Hettinger County, North Dakota. It was in force for 66 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: Jul 10, 2010, 7:24 PM MDT (01:24 UTC)
Expired: Jul 10, 2010, 8:30 PM MDT
In force: 66 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Hettinger County, ND

The radar

The Bismarck radar (KBIS), 135 km from the middle of the area, began a volume at 01:25 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, 1.4 hours before the alert went out and 359 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: 1200 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 2383 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 6:36 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer	39 min
Jul 10, 7:09 PM MDT	Severe Thunderstorm Warning	BIS	Mercer, Oliver	51 min
Jul 10, 7:28 PM MDT	Areal Flood Advisory	BIS	Hettinger	3 hr
Jul 10, 7:49 PM MDT	Flash Flood Warning	BIS	Hettinger	6 hr
Jul 10, 7:57 PM MDT	Severe Thunderstorm Warning	BIS	Morton, Oliver	33 min
Jul 10, 9:29 PM MDT	Severe Thunderstorm Warning	BIS	Morton, Oliver	33 min
Jul 10, 9:43 PM MDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Oliver	47 min
Jul 10, 10:10 PM MDT	Areal Flood Advisory	BIS	Kidder, Sheridan, Wells	3 hr

Nearby

Severe Thunderstorm Warnings in North Dakota, 2010 Every severe thunderstorm warning in 2010

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.