Alert archive / Oklahoma / Wind Chill Advisories in 2014

Wind Chill Advisory 1, NWS Norman, OK

January 5, 201432 counties in Oklahoma

NWS Norman, OK issued this wind chill advisory at Jan 5, 2014, 3:58 AM CST for 32 counties in Oklahoma. It took effect at Jan 5, 2014, 6:00 PM CST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Jan 5, 2014, 3:58 AM CST (09:58 UTC)
In effect from: Jan 5, 2014, 6:00 PM CST
Expired: Jan 6, 2014, 12:00 PM CST
In force: 18 hr
Issued by: NWS Norman, OK

All 32 counties

Alfalfa County, OK, Atoka County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Coal County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Harper County, OK, Hughes County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Roger Mills County, OK, Seminole County, OK, Washita County, OK, Woods County, OK, Woodward County, OK

The radar

The Norman radar (KTLX), 68 km from the middle of the area, began a volume at 09:56 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

Dodge City, (KDDC), launched 00:00Z, 10.0 hours before the alert went out and 292 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: 617 m above ground
0-6 km bulk shear: 96 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 461 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 Norman, OK wrote its last area forecast discussion before this wind chill advisory went out at Jan 5, 2:53 AM CST, 1 hour 5 minutes earlier.

Area forecast discussion, Jan 5, 2:53 AM CST, 1 hour 5 minutes before

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Hazardous weather outlook, Jan 4, 10:00 PM CST, 5 hours 58 minutes before

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In the hours before

Local storm report, Jan 5, 2:20 AM CST, 1 hour 38 minutes before

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Local storm report, Jan 5, 2:24 AM CST, 1 hour 34 minutes before

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Local storm report, Jan 5, 2:40 AM CST, 1 hour 18 minutes before

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Nearby

Wind Chill Advisories in Oklahoma, 2014 Every wind chill advisory 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.