Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 41, NWS Omaha, NE

May 23, 2019Gage County, Jefferson County, Saline County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 23, 2019, 8:14 PM CDT for Gage County, Jefferson County, Saline County, Nebraska. It was in force for 31 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 23, 2019, 8:14 PM CDT (01:14 UTC)
Expired
May 23, 2019, 8:45 PM CDT
In force
31 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Gage County, NE, Jefferson County, NE, Saline County, NE

The radar

The Omaha radar (KOAX), 123 km from the middle of the area, began a volume at 01:17 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
May 23, 7:42 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.2 hours before the alert went out and 123 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, Omaha, NE at 00:00Z on 2019-05-24Temperature 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, Omaha, NE at 00:00Z on 2019-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.19395878Sfc1 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
1659 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
304 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 Omaha, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at May 23, 5:59 PM CDT, 2 hours 15 minutes earlier.

Area forecast discussion, May 23, 5:59 PM CDT, 2 hours 15 minutes before
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Hazardous weather outlook, May 23, 4:30 PM CDT, 3 hours 44 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.
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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 Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 8:42 PM CDTSevere Thunderstorm WarningOAXGage, Johnson, Lancaster, Otoe22 min
May 23, 9:11 PM CDTSevere Thunderstorm WarningOAXGage, Pawnee20 min
May 24, 3:32 AM CDTSpecial Weather StatementOAXGage, Jefferson43 min
May 24, 3:56 AM CDTSpecial Weather StatementOAXJohnson, Nemaha, Pawnee49 min
May 24, 4:11 AM CDTTornado WarningOAXJohnson, Nemaha, Pawnee, Richardson34 min
May 24, 4:21 AM CDTSevere Thunderstorm WarningOAXNemaha, Pawnee, Richardson39 min
May 24, 4:36 AM CDTTornado WarningOAXNemaha24 min
May 24, 4:40 AM CDTTornado WarningOAXNemaha, Richardson22 min
May 24, 5:27 AM CDTFlash Flood WarningOAXGage, Johnson, Nemaha, Otoe, Pawnee, Richardson6 hr
May 24, 6:00 AM CDTRiver Flood WarningOAXNemaha34 hr
May 24, 6:00 AM CDTRiver Flood WarningOAXCass9 hr
May 24, 8:03 AM CDTRiver Flood WarningOAXGage21 days
May 24, 10:22 AM CDTRiver Flood WarningOAXGage30 hr
May 24, 1:02 PM CDTRiver Flood WarningOAXRichardson31 hr
May 23, 11:27 PM CDTSpecial Weather StatementOAXPage33 min
May 24, 5:01 AM CDTTornado WarningOAXFremont, Montgomery, Page29 min
May 24, 5:19 AM CDTFlash Flood WarningOAXFremont, Mills, Montgomery, Page5 hr
May 24, 6:02 AM CDTRiver Flood WarningOAXPage32 hr
May 24, 7:54 AM CDTRiver Flood WarningOAXFremont47 hr
May 24, 9:54 AM CDTFlash Flood WarningOAXFremont, Mills, Montgomery, Page3 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 2019Every severe thunderstorm warning in 2019

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.