Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 181, NWS St. Louis, MO

June 12, 1996Sainte Genevieve County, Missouri; Randolph County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 12, 1996, 6:19 PM CDT for Sainte Genevieve County, Missouri; Randolph County, Illinois. It was in force for 41 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: Jun 12, 1996, 6:19 PM CDT (23:19 UTC)
Expired: Jun 12, 1996, 7:00 PM CDT
In force: 41 min
Issued by: NWS St. Louis, MO
Area: Whole counties

Counties Randolph County, IL, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 100 km from the middle of the area, began a volume at 23:18 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

Lincoln, IL (KILX), launched 12:00Z, 11.3 hours before the alert went out and 271 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: 7 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 912 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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.

In the hours before

Local storm report, Jun 12, 5:33 PM CDT, 46 minutes before

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Local storm report, Jun 12, 6:02 PM CDT, 17 minutes before

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Local storm report, Jun 12, 6:10 PM CDT, 9 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 St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 3:15 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln	45 min
Jun 12, 3:46 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles	44 min
Jun 12, 4:11 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles	49 min
Jun 12, 4:26 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis	49 min
Jun 12, 2:29 PM CDT	Severe Thunderstorm Warning	LSX	Washington	46 min
Jun 12, 2:50 PM CDT	Severe Thunderstorm Warning	LSX	Saint Clair	40 min
Jun 12, 3:28 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	47 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1996 Severe Thunderstorm Warnings in Illinois, 1996 Every severe thunderstorm warning in 1996

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.