Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 261, NWS Norman, OK

May 17, 1995Ellis County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 17, 1995, 4:15 AM CDT for Ellis County, Oklahoma. It was in force for 60 min.

The area

The counties it named.

The facts

Issued: May 17, 1995, 4:15 AM CDT (09:15 UTC)
Expired: May 17, 1995, 5:15 AM CDT
In force: 60 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Ellis County, OK

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 9.3 hours before the alert went out and 173 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3022 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1366 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -1.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 3:28 AM CDT, 47 minutes earlier.

Area forecast discussion, May 17, 3:28 AM CDT, 47 minutes before

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In the hours before

Special weather statement, May 16, 10:57 PM CDT, 5 hours 18 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 Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 16, 8:43 PM CDT	Tornado Warning	OUN	Ellis, Harper	37 min
May 16, 9:20 PM CDT	Tornado Warning	OUN	Harper	40 min
May 16, 10:00 PM CDT	Severe Thunderstorm Warning	OUN	Woods, Woodward	30 min
May 17, 4:12 AM CDT	Severe Thunderstorm Warning	OUN	Roger Mills	48 min
May 17, 4:30 AM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey	45 min
May 17, 4:52 AM CDT	Severe Thunderstorm Warning	OUN	Major	53 min
May 17, 5:01 AM CDT	Severe Thunderstorm Warning	OUN	Woodward	29 min
May 17, 5:11 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	42 min
May 17, 7:30 AM CDT	Severe Thunderstorm Warning	OUN	Jefferson, Stephens	45 min
May 17, 11:36 AM CDT	Severe Thunderstorm Warning	OUN	Hughes	39 min
May 17, 3:05 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	40 min
May 17, 3:11 PM CDT	Severe Thunderstorm Warning	OUN	Harper	64 min
May 17, 3:28 PM CDT	Tornado Warning	OUN	Ellis, Harper	47 min
May 17, 3:32 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Logan, Noble	43 min
May 17, 4:03 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Noble	57 min
May 17, 4:15 PM CDT	Tornado Warning	OUN	Harper	30 min
May 17, 4:26 PM CDT	Severe Thunderstorm Warning	OUN	Grant	64 min
May 17, 4:52 PM CDT	Tornado Warning	OUN	Alfalfa, Major, Woods	38 min
May 17, 5:27 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	48 min
May 17, 5:50 PM CDT	Tornado Warning	OUN	Grant	40 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1995 Every severe thunderstorm warning in 1995

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.