Alert archive / Arkansas / Frost Advisories in 2016

Frost Advisory 2, NWS Little Rock, AR

March 24, 20167 counties in Arkansas

NWS Little Rock, AR issued this frost advisory at Mar 24, 2016, 2:40 PM CDT for 7 counties in Arkansas. It took effect at Mar 25, 2016, 1:00 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Mar 24, 2016, 2:40 PM CDT (19:40 UTC)
In effect from
Mar 25, 2016, 1:00 AM CDT
Expired
Mar 25, 2016, 8:00 AM CDT
In force
7 hr
Issued by
NWS Little Rock, AR

Counties Cleburne County, AR, Conway County, AR, Faulkner County, AR, Independence County, AR, Jackson County, AR, Perry County, AR, White County, AR

The radar

The Little Rock radar (KLZK), 60 km from the middle of the area, began a volume at 19:39 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, 7.7 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-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2016-03-24Temperature 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 2016-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939587897Sfc1 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
920 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
49 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 frost 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 frost advisory went out at Mar 24, 12:32 PM CDT, 2 hours 8 minutes earlier.

Area forecast discussion, Mar 24, 12:32 PM CDT, 2 hours 8 minutes before
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Hazardous weather outlook, Mar 24, 4:44 AM CDT, 9 hours 56 minutes 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>
      <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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In the hours before

Local storm report, Mar 24, 10:42 AM CDT, 3 hours 58 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 10:14 PM CDTSevere Thunderstorm WarningLZKLogan, Scott46 min
Mar 23, 10:55 PM CDTSpecial Weather StatementLZKLogan50 min
Mar 23, 11:26 PM CDTSpecial Weather StatementLZKScott49 min
Mar 23, 11:54 PM CDTSpecial Weather StatementLZKJohnson51 min
Mar 24, 12:43 AM CDTSpecial Weather StatementLZKNewton, Pope32 min
Mar 24, 1:13 AM CDTSpecial Weather StatementLZKYell32 min
Mar 24, 1:16 AM CDTSpecial Weather StatementLZKBaxter, Cleburne, Pope, Searcy, Stone, Van Buren29 min
Mar 24, 1:45 AM CDTSpecial Weather StatementLZKPerry, Pope, Yell30 min
Mar 24, 3:10 AM CDTSpecial Weather StatementLZKClark35 min
Mar 24, 4:14 AM CDTSpecial Weather StatementLZKGrant31 min
Mar 24, 2:40 PM CDTFreeze WarningLZKBaxter, Fulton, Izard, Marion, Sharp, Stone17 hr

Nearby

Frost Advisories in Arkansas, 2016Every frost advisory in 2016

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.