Alert archive / North Dakota / Fire Weather Watches in 2012

Fire Weather Watch 7, NWS Grand Forks, ND

September 10, 20126 counties in Minnesota; 17 counties in North Dakota

NWS Grand Forks, ND issued this fire weather watch at Sep 10, 2012, 3:27 PM CDT for 6 counties in Minnesota; 17 counties in North Dakota. It took effect at Sep 11, 2012, 12:00 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued: Sep 10, 2012, 3:27 PM CDT (20:27 UTC)
In effect from: Sep 11, 2012, 12:00 PM CDT
Expired: Sep 11, 2012, 4:18 AM CDT
In force
Issued by: NWS Grand Forks, ND

All 23 counties

Clay County, MN, Kittson County, MN, Marshall County, MN, Norman County, MN, Polk County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Eddy County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 24 km from the middle of the area, began a volume at 20:27 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 12:00Z, 8.5 hours before the alert went out and 307 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2510 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 459 m²/s²
0-3 km storm-relative helicity: 456 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 fire weather watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this fire weather watch went out at Sep 10, 2:46 PM CDT, 41 minutes earlier.

Area forecast discussion, Sep 10, 2:46 PM CDT, 41 minutes before

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Hazardous weather outlook, Sep 10, 5:38 AM CDT, 9 hours 49 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 10, 3:20 AM CDT	Red Flag Warning	FGF	Becker, Beltrami, Clay, Clearwater, Grant, Hubbard and 12 more	17 hr

Nearby

Fire Weather Watches in North Dakota, 2012 Fire Weather Watches in Minnesota, 2012 Every fire weather watch 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; radar from the NEXRAD Level II archive.