Alert archive / Nebraska / Winter Storm Warnings in 2006

Winter Storm Warning 14, NWS Cheyenne, WY

December 19, 20067 counties in Nebraska

NWS Cheyenne, WY issued this winter storm warning at Dec 19, 2006, 4:22 AM MST for 7 counties in Nebraska. It took effect at Dec 20, 2006, 5:00 AM MST. It was in force for . No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 19, 2006, 4:22 AM MST (11:22 UTC)
In effect from: Dec 20, 2006, 5:00 AM MST
Expired: Dec 19, 2006, 10:11 AM MST
In force
Issued by: NWS Cheyenne, WY

Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE

The radar

The Cheyenne radar (KCYS), 141 km from the middle of the area, began a volume at 11:23 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

Denver, CO (KDNR), launched 00:00Z, 11.4 hours before the alert went out and 213 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: 1381 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 184 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 winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this winter storm warning went out at Dec 19, 4:00 AM MST, 22 minutes earlier.

Area forecast discussion, Dec 19, 4:00 AM MST, 22 minutes before

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Hazardous weather outlook, Dec 18, 3:30 PM MST, 12 hours 52 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 19, 10:11 AM MST	Blizzard Warning	CYS		49 hr
Dec 19, 10:11 AM MST	Snow Advisory	CYS	Crook, Weston	49 hr
Dec 19, 10:11 AM MST	Winter Storm Warning	CYS	Crook, Weston	12 hr

Nearby

Winter Storm Warnings in Nebraska, 2006 Every winter storm warning in 2006

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.