Alert archive / North Dakota / Heat Advisories in 2012

Heat Advisory 3, NWS Bismarck, ND

July 18, 201232 counties in North Dakota

NWS Bismarck, ND issued this heat advisory at Jul 18, 2012, 1:37 PM MDT for 32 counties in North Dakota. It took effect at Jul 19, 2012, 12:00 PM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jul 18, 2012, 1:37 PM MDT (19:37 UTC)
In effect from: Jul 19, 2012, 12:00 PM MDT
Expired: Jul 19, 2012, 9:00 PM MDT
In force: 9 hr
Issued by: NWS Bismarck, ND

All 32 counties

Adams County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Dickey County, ND, Divide County, ND, Dunn County, ND, Emmons County, ND, Foster County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, McKenzie County, ND, Mercer County, ND, Mountrail County, ND, Oliver County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Slope County, ND, Stark County, ND, Stutsman County, ND, Wells County, ND, Williams County, ND

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 7.6 hours before the alert went out and 348 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: 86 J/kg
Mixed-layer CIN: -255 J/kg
Mixed-layer LCL: 894 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: -5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory 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 heat advisory went out at Jul 18, 12:20 PM MDT, 1 hour 17 minutes earlier.

Area forecast discussion, Jul 18, 12:20 PM MDT, 1 hour 17 minutes before

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Hazardous weather outlook, Jul 18, 3:13 AM MDT, 10 hours 24 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 17, 6:38 PM MDT	Areal Flood Advisory	BIS	Golden Valley	6 hr
Jul 17, 8:26 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Hettinger	64 min

Nearby

Heat Advisories in North Dakota, 2012 Every heat advisory in 2012

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.