Alert archive / Oklahoma / Wind Advisories in 2009

Wind Advisory 14, NWS Norman, OK

April 2, 200948 counties in Oklahoma; 8 counties in Texas

NWS Norman, OK issued this wind advisory at Apr 2, 2009, 2:02 AM CDT for 48 counties in Oklahoma; 8 counties in Texas. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Apr 2, 2009, 2:02 AM CDT (07:02 UTC)
Expired: Apr 2, 2009, 6:00 PM CDT
In force: 16 hr
Issued by: NWS Norman, OK

All 56 counties

Alfalfa County, OK, Atoka County, OK, Beckham County, OK, Blaine County, OK, Bryan 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, Love County, OK, Major County, OK, Marshall 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), 81 km from the middle of the area, began a volume at 07:01 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

Norman, OK (KOUN), launched 00:00Z, 7.0 hours before the alert went out and 67 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: 3098 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 197 m²/s²
0-3 km storm-relative helicity: 375 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 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 advisory went out at Apr 2, 12:47 AM CDT, 1 hour 15 minutes earlier.

Area forecast discussion, Apr 2, 12:47 AM CDT, 1 hour 15 minutes before

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Hazardous weather outlook, Apr 1, 7:50 PM CDT, 6 hours 12 minutes before

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In the hours before

Special weather statement, Apr 1, 8:19 PM CDT, 5 hours 43 minutes before

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<body>
  <main class="wrap">
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      <div class="status" id="status">Temporary Notice</div>
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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 2, 8:05 AM CDT	High Wind Warning	OUN	Beckham, Caddo, Comanche, Cotton, Custer, Dewey and 11 more	4 hr
Apr 2, 12:22 PM CDT	Wind Advisory	OUN	Beckham, Roger Mills	3 hr
Apr 2, 3:50 PM CDT	Fire Weather Watch	OUN	Beckham, Blaine, Caddo, Comanche, Cotton, Custer and 13 more	36 hr

Nearby

Wind Advisories in Oklahoma, 2009 Wind Advisories in Texas, 2009 Every wind 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.