Alert archive / Nebraska / Wind Chill Advisories in 2013
Wind Chill Advisory 8, NWS Omaha, NE
NWS Omaha, NE issued this wind chill advisory at Dec 22, 2013, 3:40 AM CST for 27 counties in Nebraska; 8 counties in Iowa. It took effect at Dec 23, 2013, 3:00 AM CST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Dec 22, 2013, 3:40 AM CST (09:40 UTC)
- In effect from
- Dec 23, 2013, 3:00 AM CST
- Expired
- Dec 23, 2013, 12:00 PM CST
- In force
- 9 hr
- Issued by
- NWS Omaha, NE
All 35 counties
Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page 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, Johnson County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Pierce County, NE, Platte County, NE, Richardson 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), 16 km from the middle of the area, began a volume at 09:39 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, 9.7 hours before the alert went out and 342 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1380 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -48 m²/s²
- 0-3 km storm-relative helicity
- -100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill 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 chill advisory went out at Dec 22, 2:36 AM CST, 1 hour 4 minutes earlier.
Area forecast discussion, Dec 22, 2:36 AM CST, 1 hour 4 minutes before
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</html>Hazardous weather outlook, Dec 21, 4:10 PM CST, 11 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 410 PM CST SAT DEC 21 2013 IAZ043-055-056-069-079-NEZ011-012-015>018-030>034-042>045-050>053- 065>067-078-088-221215- MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-KNOX-CEDAR-THURSTON- ANTELOPE-PIERCE-WAYNE-BOONE-MADISON-STANTON-CUMING-BURT-PLATTE- COLFAX-DODGE-WASHINGTON-BUTLER-SAUNDERS-DOUGLAS-SARPY-SEWARD- LANCASTER-CASS-SALINE-JEFFERSON- 410 PM CST SAT DEC 21 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST NEBRASKA AND SOUTHEAST NEBRASKA. .DAY ONE...TONIGHT AND SUNDAY LIGHT SNOW MAY DEVELOP TONIGHT...MAINLY SOUTH OF A LINE FROM COLUMBUS NEBRASKA TO ONAWA IOWA. THE BEST CHANCE FOR ACCUMULATING SNOW WILL BE ALONG AND SOUTH OF INTERSTATE 80 WHERE AN INCH OR TWO OF SNOW WILL BE POSSIBLE BY DAYBREAK SUNDAY. WINDS WILL ALSO BECOME NORTH TO NORTHWEST AND INCREASE TO 15 TO 20 MPH WHICH MAY REDUCE VISIBILITIES IN OPEN AREAS. .DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY BITTER COLD WIND CHILLS FROM 15 TO 20 BELOW CAN BE EXPECTED MONDAY MORNING IN NORTHEAST NEBRASKA AND NORTHWEST IOWA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT OR SUNDAY. IAZ080-090-091-NEZ068-089>093-221215- MONTGOMERY-FREMONT-PAGE-OTOE-GAGE-JOHNSON-NEMAHA-PAWNEE- RICHARDSON- 410 PM CST SAT DEC 21 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST IOWA AND SOUTHEAST NEBRASKA. .DAY ONE...TONIGHT AND SUNDAY SNOW IS EXPECTED TO DEVELOP VERY LATE THIS AFTERNOON AND CONTINUE TONIGHT. A PERIOD OF HEAVY SNOW IS LIKELY THIS EVENING. TOTAL ACCUMULATIONS SHOULD RANGE FROM 3 TO 7 INCHES BY DAYBREAK SUNDAY. WINDS WILL ALSO BECOME NORTH TO NORTHWEST AT 15 TO 20 MPH WHICH MAY CREATE AREAS OF BLOWING AND DRIFTING SNOW IN OPEN AREAS. A WINTER WEATHER ADVISORY HAS BEEN ISSUED FOR TONIGHT...WITH A WINTER STORM WARNING IN EFFECT FOR RICHARDSON COUNTY. SNOW WILL DIMINISH LATE TONIGHT WITH SOME FLURRIES EXPECTED THROUGH SUNDAY MORNING. .DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT OR SUNDAY...BUT SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS IF POSSIBLE. FOBERT
In the hours before
Local storm report, Dec 22, 1:42 AM CST, 1 hour 58 minutes before
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</html>Nearby
Wind Chill Advisories in Nebraska, 2013Wind Chill Advisories in Iowa, 2013Every wind chill 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.