Alert archive / Arkansas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 27, NWS Little Rock, AR

March 10, 2018Logan County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Mar 10, 2018, 5:04 PM CST for Logan County, Arkansas. It was in force for 41 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
Mar 10, 2018, 5:04 PM CST (23:04 UTC)
Expired
Mar 10, 2018, 5:45 PM CST
In force
41 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Logan County, AR

The radar

The Western Arkansas radar (KSRX), 59 km from the middle of the area, began a volume at 23:06 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 10, 3:43 PM CSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.1 hours before the alert went out and 188 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 2018-03-10Temperature 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, Springfield, MO at 12:00Z on 2018-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
1807 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
116 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 severe thunderstorm 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 severe thunderstorm warning went out at Mar 10, 3:01 PM CST, 2 hours 3 minutes earlier.

Area forecast discussion, Mar 10, 3:01 PM CST, 2 hours 3 minutes before
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Hazardous weather outlook, Mar 10, 3:34 PM CST, 1 hour 30 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Little Rock AR
334 PM CST Sat Mar 10 2018

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-111100-
Boone-Marion-Baxter-Fulton-Sharp-Newton-Searcy-Stone-Izard-
Independence-Johnson-Pope-Van Buren-Cleburne-Jackson-Logan-Conway-
Faulkner-White-Woodruff-Scott-Yell-Perry-Polk-Montgomery-Garland-
Saline-Pulaski-Lonoke-Prairie-Monroe-Pike-Clark-Hot Spring-Grant-
Jefferson-Arkansas-Dallas-Cleveland-Lincoln-Desha-Ouachita-
Calhoun-Bradley-Drew-
334 PM CST Sat Mar 10 2018

This Hazardous Weather Outlook is for a Large Part of Arkansas.

.DAY ONE...Rest of This Afternoon and Tonight

Isolated strong to severe storms are possible through the
overnight hours, primarily over central and southern Arkansas.
The main threats will be strong winds and damaging hail. Locally
heavy rain will also be possible.

.DAYS TWO THROUGH SEVEN...Sunday Through Friday

Subfreezing temperatures are in the forecast, mainly across
northern and west-central Arkansas the first half of next week.
Sheltered valley areas will be most susceptible to seeing a
freeze.

.Spotter Information Statement...

Spotter activation may be needed this evening. Severe storm
reports are requested.

&&

Visit NWS Little Rock on the web. Go to http://weather.gov/lzk.

44

In the hours before

Special weather statement, Mar 10, 4:42 PM CST, 22 minutes before
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<body>
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    <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>
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Special weather statement, Mar 10, 4:59 PM CST, 5 minutes before
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  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
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<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.
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      <p id="message2">
        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.

IssuedProductOfficeCountiesLasted
Mar 10, 4:42 PM CSTSpecial Weather StatementLZKDesha33 min
Mar 10, 4:59 PM CSTSpecial Weather StatementLZKYell31 min
Mar 10, 5:10 PM CSTSpecial Weather StatementLZKFaulkner35 min
Mar 10, 5:12 PM CSTSpecial Weather StatementLZKJohnson33 min
Mar 10, 5:36 PM CSTSpecial Weather StatementLZKVan Buren24 min
Mar 10, 5:41 PM CSTSevere Thunderstorm WarningLZKJohnson, Logan, Pope, Yell49 min
Mar 10, 5:54 PM CSTSevere Thunderstorm WarningLZKConway, Perry, Pope51 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2018Every severe thunderstorm warning in 2018

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.