Alert archive / Colorado / Wind Chill Advisories in 2013

Wind Chill Advisory 3, NWS Goodland, KS

December 5, 2013Sherman County, Kansas; Cheyenne County, Kit Carson County, Yuma County, Colorado

NWS Goodland, KS issued this wind chill advisory at Dec 5, 2013, 2:40 PM MST for Sherman County, Kansas; Cheyenne County, Kit Carson County, Yuma County, Colorado. It took effect at Dec 5, 2013, 5:00 PM MST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Dec 5, 2013, 2:40 PM MST (21:40 UTC)
In effect from: Dec 5, 2013, 5:00 PM MST
Expired: Dec 6, 2013, 8:00 AM MST
In force: 15 hr
Issued by: NWS Goodland, KS

Counties Cheyenne County, CO, Kit Carson County, CO, Yuma County, CO, Sherman County, KS

The radar

The Goodland radar (KGLD), 55 km from the middle of the area, began a volume at 21:43 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, 9.7 hours before the alert went out and 245 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: 902 m above ground
0-6 km bulk shear: 110 kt
0-1 km storm-relative helicity: -71 m²/s²
0-3 km storm-relative helicity: -34 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 4, 4:34 PM MST, 22 hours 6 minutes earlier.

Area forecast discussion, Dec 4, 4:34 PM MST, 22 hours 6 minutes before

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Nearby

Wind Chill Advisories in Colorado, 2013 Wind Chill Advisories in Kansas, 2013 Every 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.