Alert archive / Nebraska / Fire Weather Watches in 2011

Fire Weather Watch 9, NWS North Platte, NE

November 25, 201124 counties in Nebraska

NWS North Platte, NE issued this fire weather watch at Nov 25, 2011, 3:35 AM MST for 24 counties in Nebraska. It took effect at Nov 26, 2011, 11:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued: Nov 25, 2011, 3:35 AM MST (10:35 UTC)
In effect from: Nov 26, 2011, 11:00 AM MST
Expired: Nov 25, 2011, 2:34 PM MST
In force
Issued by: NWS North Platte, NE

All 24 counties

Arthur County, NE, Blaine County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Hayes County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 37 km from the middle of the area, began a volume at 10:40 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 10.6 hours before the alert went out and 57 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: 4104 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -48 m²/s²
0-3 km storm-relative helicity: 1 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 North Platte, NE wrote its last area forecast discussion before this fire weather watch went out at Nov 25, 2:58 AM MST, 37 minutes earlier.

Area forecast discussion, Nov 25, 2:58 AM MST, 37 minutes before

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Hazardous weather outlook, Nov 24, 9:09 PM MST, 6 hours 26 minutes before

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The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 25, 2:14 PM MST	High Wind Warning	LBF	Arthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more	24 hr
Nov 25, 2:34 PM MST	Red Flag Warning	LBF	Arthur, Blaine, Brown, Chase, Cherry, Custer and 18 more	26 hr

Nearby

Fire Weather Watches in Nebraska, 2011 Every fire weather watch in 2011

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.