Alert archive / Illinois / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 162, NWS Paducah, KY

October 23, 2001Franklin County, Jackson County, Perry County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Oct 23, 2001, 3:32 PM CDT for Franklin County, Jackson County, Perry County, Illinois. It was in force for 28 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: Oct 23, 2001, 3:32 PM CDT (20:32 UTC)
Expired: Oct 23, 2001, 4:00 PM CDT
In force: 28 min
Issued by: NWS Paducah, KY
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Franklin County, IL, Jackson County, IL, Perry County, IL

The radar

The Paducah radar (KPAH), 106 km from the middle of the area, began a volume at 20:31 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 23, 2:45 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.5 hours before the alert went out and 309 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: 22 J/kg
Mixed-layer CIN: -219 J/kg
Mixed-layer LCL: 915 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 269 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.

NWS Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 23, 2:48 PM CDT, 44 minutes earlier.

Area forecast discussion, Oct 23, 2:48 PM CDT, 44 minutes before

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In the hours before

Special weather statement, Oct 23, 3:31 PM CDT, 1 minute before

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  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 23, 12:44 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Saline, Williamson	31 min
Oct 23, 3:32 PM CDT	Severe Thunderstorm Warning	PAH	Williamson	28 min
Oct 23, 1:30 PM CDT	Severe Thunderstorm Warning	PAH	Henderson	30 min
Oct 23, 11:57 AM CDT	Severe Thunderstorm Warning	PAH	Bollinger, Cape Girardeau	33 min
Oct 23, 2:46 PM CDT	Severe Thunderstorm Warning	PAH	Bollinger, Perry	29 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2001 Every severe thunderstorm warning in 2001

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.