Alert archive / Arkansas / Tornado Warnings in 2020

Tornado Warning 30, NWS Little Rock, AR

May 16, 2020Pulaski County, Arkansas

NWS Little Rock, AR issued this tornado warning at May 16, 2020, 3:51 PM CDT for Pulaski County, Arkansas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 16, 2020, 3:51 PM CDT (20:51 UTC)
Expired
May 16, 2020, 4:15 PM CDT
In force
24 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Pulaski County, AR

The radar

The Little Rock radar (KLZK), 9 km from the middle of the area, began a volume at 20:50 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

Springfield, MO (KSGF), launched 12:00Z, 8.9 hours before the alert went out and 272 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, Springfield, MO at 12:00Z on 2020-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 383 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 12:00Z on 2020-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.193958Sfc1 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
383 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
692 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at May 16, 2:52 PM CDT, 59 minutes earlier.

Area forecast discussion, May 16, 2:52 PM CDT, 59 minutes before
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Hazardous weather outlook, May 16, 3:05 PM CDT, 46 minutes before
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  <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.
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The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 7:11 PM CDTSpecial Weather StatementLZKGarland, Hot Spring49 min
May 15, 7:40 PM CDTSpecial Weather StatementLZKClark35 min
May 15, 8:15 PM CDTSpecial Weather StatementLZKClark, Dallas, Hot Spring45 min
May 15, 9:04 PM CDTSpecial Weather StatementLZKSaline41 min
May 16, 9:01 AM CDTRiver Flood AdvisoryLZKPerry36 hr
May 16, 2:36 PM CDTRiver Flood WarningLZKYell3 days
May 16, 4:45 PM CDTFlash Flood WatchLZKBaxter, Clark, Cleburne, Conway, Faulkner, Fulton and 11 more16 hr
May 16, 5:40 PM CDTFlash Flood WarningLZKConway, Faulkner2 hr
May 16, 6:47 PM CDTSevere Thunderstorm WarningLZKClark, Pike43 min
May 16, 6:50 PM CDTTornado WarningLZKClark, Pike25 min

Nearby

Tornado Warnings in Arkansas, 2020Every tornado warning in 2020Tornadoes in 2020

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.