Alert archive / Kansas / Wind Chill Advisories in 2009

Wind Chill Advisory 1, NWS Goodland, KS

December 9, 200910 counties in Kansas; Cheyenne County, Colorado; Hitchcock County, Red Willow County, Nebraska

NWS Goodland, KS issued this wind chill advisory at Dec 9, 2009, 3:30 AM CST for 10 counties in Kansas; Cheyenne County, Colorado; Hitchcock County, Red Willow County, Nebraska. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Dec 9, 2009, 3:30 AM CST (09:30 UTC)
Expired
Dec 9, 2009, 10:00 AM CST
In force
7 hr
Issued by
NWS Goodland, KS

Counties Cheyenne County, CO, Decatur County, KS, Gove County, KS, Graham County, KS, Greeley County, KS, Logan County, KS, Norton County, KS, Rawlins County, KS, Sheridan County, KS, Thomas County, KS, Wichita County, KS, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 69 km from the middle of the area, began a volume at 09:27 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, 9.5 hours before the alert went out and 208 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, Denver, CO at 00:00Z on 2009-12-09Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2009-12-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -123 square meters per square second.1939587897Sfc1 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
849 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-123 m²/s²
0-3 km storm-relative helicity
-76 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 advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Goodland, KS wrote its last area forecast discussion before this wind chill advisory went out at Dec 9, 3:00 AM CST, 30 minutes earlier.

Area forecast discussion, Dec 9, 3:00 AM CST, 30 minutes before
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Hazardous weather outlook, Dec 8, 5:00 AM CST, 22 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
400 AM MST TUE DEC 8 2009

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-091200-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
400 AM MST TUE DEC 8 2009 /500 AM CST TUE DEC 8 2009/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST
NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO.

.DAY ONE...TODAY AND TONIGHT

A STRONG WINTER STORM WILL CONTINUE TO MOVE ACROSS THE TRI-STATE
TODAY AND EARLY TONIGHT BEFORE CLEARING THE AREA AFTER MIDNIGHT.
ADDITIONAL SNOWFALL ACCUMULATIONS OF 2 TO 10 INCHES ARE
EXPECTED...HIGHEST EAST OF KANSAS STATE HIGHWAY 25. SNOWFALL RATES
OF ONE INCH PER HOUR CAN BE EXPECTED AT TIMES. NORTH WINDS OF 15
TO 25 MPH WITH HIGHER GUSTS WILL DEVELOP LATE THIS AFTERNOON AND
CONTINUE INTO THE EVENING PRODUCING AREAS OF BLOWING AND DRIFTING
SNOW. TRAVEL WILL REMAIN HAZARDOUS WITH SNOW PACKED ROADS AND
REDUCED VISIBILITIES IN BLOWING SNOW.

AS THE STORM SYSTEM EXITS THE AREA SUB ZERO TEMPERATURES WILL
MOVE IN FROM THE WEST. THE COMBINATION OF THE VERY COLD TEMPERATURES
AND GUSTY WINDS WILL PRODUCE WIND CHILL READINGS OF 20 TO 30
DEGREES BELOW ZERO THROUGH EARLY WEDNESDAY MORNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED BUT SNOWFALL REPORTS WOULD
BE APPRECIATED.

07

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 8, 9:55 PM CSTWind Chill WarningGLDCheyenne, Decatur, Gove, Graham, Greeley, Logan and 7 more12 hr
Dec 9, 3:13 PM CSTWind Chill AdvisoryGLDCheyenne, Decatur, Gove, Graham, Greeley, Logan and 7 more19 hr

Nearby

Wind Chill Advisories in Kansas, 2009Wind Chill Advisories in Nebraska, 2009Wind Chill Advisories in Colorado, 2009Every wind chill advisory in 2009

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.