Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 57, NWS Norman, OK

March 25, 1995Harper County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Mar 25, 1995, 6:30 PM CST for Harper County, Oklahoma. It was in force for 45 min.

The area

The counties it named.

The facts

Issued: Mar 25, 1995, 6:30 PM CST (00:30 UTC)
Expired: Mar 25, 1995, 7:15 PM CST
In force: 45 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Harper County, OK

The radar

The Dodge City radar (KDDC), 111 km from the middle of the area, began a volume at 00:31 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 nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.5 hours before the alert went out and 111 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: 695 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 592 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 274 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 4.1

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 Mar 25, 3:40 PM CST, 2 hours 50 minutes earlier.

Area forecast discussion, Mar 25, 3:40 PM CST, 2 hours 50 minutes before

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In the hours before

Local storm report, Mar 25, 1:37 PM CST, 4 hours 53 minutes before

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Local storm report, Mar 25, 1:38 PM CST, 4 hours 52 minutes before

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Local storm report, Mar 25, 2:09 PM CST, 4 hours 21 minutes before

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Local storm report, Mar 25, 2:10 PM CST, 4 hours 20 minutes before

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<body>
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      <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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Local storm report, Mar 25, 2:50 PM CST, 3 hours 40 minutes before

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      <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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Local storm report, Mar 25, 2:55 PM CST, 3 hours 35 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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 25, 7:12 PM CST	Severe Thunderstorm Warning	OUN	Harper	48 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; radar from the NEXRAD Level II archive.