Alert archive / Oklahoma / Wind Chill Advisories in 2014

Wind Chill Advisory 4, NWS Norman, OK

February 4, 201444 counties in Oklahoma; 8 counties in Texas

NWS Norman, OK issued this wind chill advisory at Feb 4, 2014, 1:25 PM CST for 44 counties in Oklahoma; 8 counties in Texas. It took effect at Feb 4, 2014, 10:00 PM CST. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued: Feb 4, 2014, 1:25 PM CST (19:25 UTC)
In effect from: Feb 4, 2014, 10:00 PM CST
Expired: Feb 6, 2014, 12:00 PM CST
In force: 38 hr
Issued by: NWS Norman, OK

All 52 counties

Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Hughes County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Roger Mills County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Norman radar (KTLX), 89 km from the middle of the area, began a volume at 19:30 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 7.4 hours before the alert went out and 314 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: 540 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: -84 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 Norman, OK wrote its last area forecast discussion before this wind chill advisory went out at Feb 4, 11:44 AM CST, 1 hour 41 minutes earlier.

Area forecast discussion, Feb 4, 11:44 AM CST, 1 hour 41 minutes before

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Hazardous weather outlook, Feb 4, 12:30 PM CST, 55 minutes before

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      <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.
      </p>
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Nearby

Wind Chill Advisories in Oklahoma, 2014 Wind Chill Advisories in Texas, 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.