Alert archive / Arkansas / Wind Advisories in 2009

Wind Advisory 1, NWS Little Rock, AR

February 10, 200934 counties in Arkansas

NWS Little Rock, AR issued this wind advisory at Feb 10, 2009, 3:56 AM CST for 34 counties in Arkansas. It took effect at Feb 10, 2009, 6:00 PM CST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Feb 10, 2009, 3:56 AM CST (09:56 UTC)
In effect from: Feb 10, 2009, 6:00 PM CST
Expired: Feb 11, 2009, 6:00 PM CST
In force: 24 hr
Issued by: NWS Little Rock, AR

All 34 counties

Arkansas County, AR, Baxter County, AR, Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleburne County, AR, Cleveland County, AR, Conway County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Lincoln County, AR, Lonoke County, AR, Marion County, AR, Monroe County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Sharp County, AR, Stone County, AR, White County, AR, Woodruff County, AR

The radar

The Little Rock radar (KLZK), 10 km from the middle of the area, began a volume at 09:58 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

Little Rock, AR (KLZK), launched 00:00Z, 9.9 hours before the alert went out and 202 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: 483 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 253 m²/s²
0-3 km storm-relative helicity: 525 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 Little Rock, AR wrote its last area forecast discussion before this wind advisory went out at Feb 9, 11:39 PM CST, 4 hours 17 minutes earlier.

Area forecast discussion, Feb 9, 11:39 PM CST, 4 hours 17 minutes before

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Hazardous weather outlook, Feb 9, 1:55 PM CST, 14 hours 1 minute before

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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        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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The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 10, 3:29 PM CST	High Wind Warning	LZK	Baxter, Fulton, Independence, Izard, Jackson, Marion and 2 more	22 hr
Feb 10, 3:29 PM CST	Wind Advisory	LZK	Baxter, Fulton, Independence, Izard, Jackson, Marion and 2 more	27 hr

Nearby

Wind Advisories in Arkansas, 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.