Alert archive / Nebraska / Wind Chill Watches in 2014

Wind Chill Watch 2, NWS Omaha, NE

March 1, 201415 counties in Nebraska; Harrison County, Monona County, Shelby County, Iowa

NWS Omaha, NE issued this wind chill watch at Mar 1, 2014, 3:51 AM CST for 15 counties in Nebraska; Harrison County, Monona County, Shelby County, Iowa. It took effect at Mar 2, 2014, 12:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 1, 2014, 3:51 AM CST (09:51 UTC)
In effect from
Mar 2, 2014, 12:00 AM CST
Expired
Mar 1, 2014, 3:30 PM CST
In force
Issued by
NWS Omaha, NE

Counties Harrison County, IA, Monona County, IA, Shelby County, IA, Antelope County, NE, Boone County, NE, Burt County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Knox County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 85 km from the middle of the area, began a volume at 09:55 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

Topeka, KS (KFOE), launched 00:00Z, 9.9 hours before the alert went out and 346 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-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2014-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2014-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
996 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
10 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 chill watch 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 chill watch went out at Mar 1, 2:50 AM CST, 1 hour 1 minute earlier.

Area forecast discussion, Mar 1, 2:50 AM CST, 1 hour 1 minute before
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Hazardous weather outlook, Feb 28, 9:18 PM CST, 6 hours 33 minutes before
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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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 Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 3:30 PM CSTWind Chill WarningOAXAntelope, Boone, Burt, Cedar, Colfax, Cuming and 9 more20 hr
Mar 1, 3:30 PM CSTWind Chill AdvisoryOAXAntelope, Boone, Burt, Butler, Cass, Cedar and 24 more20 hr
Mar 1, 3:30 PM CSTWinter Weather AdvisoryOAXGage, Jefferson, Johnson, Nemaha, Otoe, Pawnee and 1 more12 hr

Nearby

Wind Chill Watches in Nebraska, 2014Wind Chill Watches in Iowa, 2014Every wind chill watch in 2014

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.