Alert archive / Texas / Wind Advisories in 2009

Wind Advisory 17, NWS Fort Worth, TX

April 1, 200946 counties in Texas

NWS Fort Worth, TX issued this wind advisory at Apr 1, 2009, 3:55 PM CDT for 46 counties in Texas. It took effect at Apr 2, 2009, 3:00 AM CDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued: Apr 1, 2009, 3:55 PM CDT (20:55 UTC)
In effect from: Apr 2, 2009, 3:00 AM CDT
Expired: Apr 2, 2009, 8:00 PM CDT
In force: 17 hr
Issued by: NWS Fort Worth, TX

All 46 counties

Anderson County, TX, Bell County, TX, Bosque County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fannin County, TX, Freestone County, TX, Grayson County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Lamar County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, McLennan County, TX, Milam County, TX, Mills County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Robertson County, TX, Rockwall County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Van Zandt County, TX, Wise County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 27 km from the middle of the area, began a volume at 20:58 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

Fort Worth, TX (KFWD), launched 12:00Z, 8.9 hours before the alert went out and 51 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: 2577 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 395 m²/s²
0-3 km storm-relative helicity: 412 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 Fort Worth, TX wrote its last area forecast discussion before this wind advisory went out at Apr 1, 3:37 PM CDT, 18 minutes earlier.

Area forecast discussion, Apr 1, 3:37 PM CDT, 18 minutes before

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Hazardous weather outlook, Apr 1, 7:51 AM CDT, 8 hours 4 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 1, 3:26 AM CDT	Wind Advisory	FWD	Bell, Bosque, Collin, Comanche, Cooke, Coryell and 25 more	17 hr
Apr 1, 7:48 AM CDT	Fire Weather Watch	FWD	Eastland, Jack, Montague, Palo Pinto, Stephens, Young	19 hr
Apr 1, 7:48 AM CDT	Red Flag Warning	FWD	Eastland, Jack, Montague, Palo Pinto, Stephens, Young	12 hr

Nearby

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.