Alert archive / Nebraska / Wind Advisories in 2013

Wind Advisory 14, NWS Omaha, NE

December 28, 201323 counties in Nebraska; 4 counties in Iowa

NWS Omaha, NE issued this wind advisory at Dec 28, 2013, 3:27 PM CST for 23 counties in Nebraska; 4 counties in Iowa. It took effect at Dec 28, 2013, 5:00 PM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Dec 28, 2013, 3:27 PM CST (21:27 UTC)
In effect from: Dec 28, 2013, 5:00 PM CST
Expired: Dec 29, 2013, 6:00 AM CST
In force: 13 hr
Issued by: NWS Omaha, NE

All 27 counties

Harrison County, IA, Monona County, IA, Pottawattamie County, IA, Shelby County, IA, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 51 km from the middle of the area, began a volume at 21:31 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, 9.5 hours before the alert went out and 322 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: 2610 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 58 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 wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Omaha, NE wrote its last area forecast discussion before this wind advisory went out at Dec 28, 3:13 PM CST, 14 minutes earlier.

Area forecast discussion, Dec 28, 3:13 PM CST, 14 minutes before

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Hazardous weather outlook, Dec 28, 4:00 AM CST, 11 hours 27 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 28, 3:29 PM CST	Wind Chill Advisory	OAX	Antelope, Boone, Burt, Cedar, Cuming, Knox and 5 more	20 hr

Nearby

Wind Advisories in Nebraska, 2013 Wind Advisories in Iowa, 2013 Every wind advisory in 2013

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.