Alert archive / Arkansas / Winter Storm Warnings in 2015

Winter Storm Warning 2, NWS Little Rock, AR

February 19, 20158 counties in Arkansas

NWS Little Rock, AR issued this winter storm warning at Feb 19, 2015, 1:37 PM CST for 8 counties in Arkansas. It took effect at Feb 20, 2015, 3:00 AM CST. It was in force for 27 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 19, 2015, 1:37 PM CST (19:37 UTC)
In effect from
Feb 20, 2015, 3:00 AM CST
Expired
Feb 21, 2015, 6:00 AM CST
In force
27 hr
Issued by
NWS Little Rock, AR

Counties Baxter County, AR, Cleburne County, AR, Fulton County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Sharp County, AR, Stone County, AR

The radar

The Little Rock radar (KLZK), 131 km from the middle of the area, began a volume at 19:35 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 (KBYH), launched 12:00Z, 7.6 hours before the alert went out and 210 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-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2015-02-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2015-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
1424 m above ground
0-6 km bulk shear
91 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
102 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 winter storm warning 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 winter storm warning went out at Feb 19, 11:56 AM CST, 1 hour 41 minutes earlier.

Area forecast discussion, Feb 19, 11:56 AM CST, 1 hour 41 minutes before
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Hazardous weather outlook, Feb 19, 12:05 PM CST, 1 hour 32 minutes before
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  <link rel="stylesheet" href="index.css">
</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>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        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.

IssuedProductOfficeCountiesLasted
Feb 19, 1:37 PM CSTWinter Weather AdvisoryLZKArkansas, Bradley, Calhoun, Clark, Cleveland, Conway and 20 more40 hr
Feb 19, 1:37 PM CSTFreezing Rain AdvisoryLZKBradley, Calhoun, Clark, Cleveland, Dallas, Desha and 8 more19 hr

Nearby

Winter Storm Warnings in Arkansas, 2015Every winter storm warning in 2015

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.