Alert archive / Illinois / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 303, NWS Lincoln, IL

September 11, 2006Fulton County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Sep 11, 2006, 1:32 AM CDT for Fulton County, Illinois. It was in force for 38 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: Sep 11, 2006, 1:32 AM CDT (06:32 UTC)
Expired: Sep 11, 2006, 2:10 AM CDT
In force: 38 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Fulton County, IL

The radar

The Lincoln radar (KILX), 82 km from the middle of the area, began a volume at 06:35 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

Davenport, (KDVN), launched 00:00Z, 6.5 hours before the alert went out and 130 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: 16 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 496 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 10, 8:19 PM CDT, 5 hours 13 minutes earlier.

Area forecast discussion, Sep 10, 8:19 PM CDT, 5 hours 13 minutes before

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Hazardous weather outlook, Sep 10, 11:45 AM CDT, 13 hours 47 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>
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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 Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 11, 5:21 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	39 min
Sep 11, 6:40 PM CDT	Severe Thunderstorm Warning	ILX	Mason	65 min
Sep 11, 6:48 PM CDT	Flash Flood Warning	ILX	Fulton	3 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2006 Every severe thunderstorm warning in 2006

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.