Alert archive / Nebraska / Winter Storm Watches in 2011

Winter Storm Watch 2, NWS Hastings, NE

December 1, 201116 counties in Nebraska; 6 counties in Kansas

NWS Hastings, NE issued this winter storm watch at Dec 1, 2011, 3:10 PM CST for 16 counties in Nebraska; 6 counties in Kansas. It took effect at Dec 2, 2011, 9:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Dec 1, 2011, 3:10 PM CST (21:10 UTC)
In effect from: Dec 2, 2011, 9:00 PM CST
Expired: Dec 2, 2011, 1:48 PM CST
In force
Issued by: NWS Hastings, NE

All 22 counties

Jewell County, KS, Mitchell County, KS, Osborne County, KS, Phillips County, KS, Rooks County, KS, Smith County, KS, Adams County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Kearney County, NE, Merrick County, NE, Nuckolls County, NE, Phelps County, NE, Polk County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 8 km from the middle of the area, began a volume at 21:07 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 12:00Z, 9.2 hours before the alert went out and 200 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: 2 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 491 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: -34 m²/s²
0-3 km storm-relative helicity: 108 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this winter storm watch went out at Dec 1, 12:59 PM CST, 2 hours 11 minutes earlier.

Area forecast discussion, Dec 1, 12:59 PM CST, 2 hours 11 minutes before

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Hazardous weather outlook, Dec 1, 1:18 PM CST, 1 hour 52 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 1, 8:07 AM CST	Wind Advisory	GID	Adams, Buffalo, Dawson, Franklin, Furnas, Gosper and 9 more	5 hr

Nearby

Winter Storm Watches in Nebraska, 2011 Winter Storm Watches in Kansas, 2011 Every winter storm 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.