Alert archive / Nebraska / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 388, NWS North Platte, NE

October 23, 2010Holt County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Oct 23, 2010, 10:29 PM CDT for Holt County, Nebraska. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Oct 23, 2010, 10:29 PM CDT (03:29 UTC)
Expired
Oct 23, 2010, 11:15 PM CDT
In force
46 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Holt County, NE

The radar

The North Platte radar (KLNX), 158 km from the middle of the area, began a volume at 03:29 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.

What was reported inside it

TimeReportWhereRemark
Oct 23, 10:30 PM CDTHAIL 18 Sw Amelia, NEPEA TO QUARTER SIZED HAIL OCCURRED FROM 1030 PM CDT THROUGH 1110 PM CDT...ALONG WITH VERY HEAVY RAIN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.5 hours before the alert went out and 211 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, N. Platte/Lee Bi, NE at 00:00Z on 2010-10-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 134 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, N. Platte/Lee Bi, NE at 00:00Z on 2010-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939Sfc1 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
134 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
53 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.

In the hours before

Special weather statement, Oct 23, 8:44 PM CDT, 1 hour 45 minutes before
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Special weather statement, Oct 23, 8:49 PM CDT, 1 hour 40 minutes before
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Local storm report, Oct 23, 9:17 PM CDT, 1 hour 12 minutes before
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Local storm report, Oct 23, 9:33 PM CDT, 56 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Oct 23, 9:34 PM CDT, 55 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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Local storm report, Oct 23, 9:52 PM CDT, 37 minutes before
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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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <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 North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 23, 8:59 PM CDTSevere Thunderstorm WarningLBFRock46 min
Oct 23, 9:04 PM CDTSevere Thunderstorm WarningLBFHolt, Rock41 min
Oct 23, 9:42 PM CDTSevere Thunderstorm WarningLBFLoup48 min
Oct 23, 9:44 PM CDTSevere Thunderstorm WarningLBFHolt46 min
Oct 23, 10:23 PM CDTSevere Thunderstorm WarningLBFGarfield52 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2010Every severe thunderstorm warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.