Alert archive / North Dakota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 189, NWS Bismarck, ND

July 8, 2018Dickey County, LaMoure County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 8, 2018, 5:55 PM CDT for Dickey County, LaMoure County, North Dakota. It was in force for 65 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
Jul 8, 2018, 5:55 PM CDT (22:55 UTC)
Expired
Jul 8, 2018, 7:00 PM CDT
In force
65 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Dickey County, ND, LaMoure County, ND

The radar

The Aberdeen radar (KABR), 92 km from the middle of the area, began a volume at 22:55 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
Jul 8, 3:52 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.9 hours before the alert went out and 154 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, Aberdeen, SD at 12:00Z on 2018-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1150 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, Aberdeen, SD at 12:00Z on 2018-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 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
1150 J/kg
Mixed-layer CIN
-332 J/kg
Mixed-layer LCL
1241 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
232 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 Bismarck, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 4:23 PM CDT, 1 hour 32 minutes earlier.

Area forecast discussion, Jul 8, 4:23 PM CDT, 1 hour 32 minutes before
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Hazardous weather outlook, Jul 8, 3:15 PM CDT, 2 hours 40 minutes before
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  <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 Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 7, 10:38 PM CDTSpecial Weather StatementBISBowman52 min
Jul 7, 11:24 PM CDTSpecial Weather StatementBISSlope36 min
Jul 7, 11:28 PM CDTSevere Thunderstorm WarningBISAdams, Hettinger62 min
Jul 7, 11:51 PM CDTSpecial Weather StatementBISStark39 min
Jul 8, 12:08 AM CDTSevere Thunderstorm WarningBISAdams, Grant, Hettinger, Sioux67 min
Jul 8, 12:30 AM CDTSpecial Weather StatementBISStark30 min
Jul 8, 1:02 AM CDTSpecial Weather StatementBISOliver43 min
Jul 8, 1:17 AM CDTSpecial Weather StatementBISMorton28 min
Jul 8, 1:17 AM CDTSevere Thunderstorm WarningBISMcLean, Mercer, Oliver38 min
Jul 8, 1:31 AM CDTSevere Thunderstorm WarningBISBurleigh, Emmons, Kidder, Morton59 min
Jul 8, 2:28 AM CDTSevere Thunderstorm WarningBISBurleigh, Kidder, Stutsman, Wells62 min
Jul 8, 2:37 AM CDTSpecial Weather StatementBISSheridan38 min
Jul 8, 3:11 AM CDTSevere Thunderstorm WarningBISFoster, Pierce, Wells54 min
Jul 8, 4:03 AM CDTSpecial Weather StatementBISBillings, Golden Valley42 min
Jul 8, 8:05 AM CDTSpecial Weather StatementBISOliver40 min
Jul 8, 8:51 AM CDTSpecial Weather StatementBISBurleigh39 min
Jul 8, 6:25 PM CDTTornado WarningBISDickey35 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 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.