Alert archive / Illinois / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 150, NWS Lincoln, IL

August 26, 1996Macon County, Piatt County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Aug 26, 1996, 4:18 PM CDT for Macon County, Piatt County, Illinois. It was in force for 42 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: Aug 26, 1996, 4:18 PM CDT (21:18 UTC)
Expired: Aug 26, 1996, 5:00 PM CDT
In force: 42 min
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Macon County, IL, Piatt County, IL

The radar

The Lincoln radar (KILX), 53 km from the middle of the area, began a volume at 21:19 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, 9.3 hours before the alert went out and 28 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: 466 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 1100 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 74 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 Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 26, 1:43 PM CDT, 2 hours 35 minutes earlier.

Area forecast discussion, Aug 26, 1:43 PM CDT, 2 hours 35 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
145 PM CDT MON AUG 26 1996

CRNT TSTM ACTVTY OCCURRING OVR S CNTRL AND SE IL LUKS LIKE IT WILL
LINGER INTO THE EVENING HRS AHEAD OF S/W. VRT MAX ASSOCTD WITH THIS S/W
WILL BE SLOW TO MV ACROSS SRN IL TONIGHT...SO SCT POPS NEEDED FOR
TONIGHT OVR THE SE. OTHERWISE...WEAK CD FNT WL SINK THRU THE AREA
TONIGHT WITH LITTLE DYNAMICS. SO WHILE SOME AREAS OF BKN CLDS EXPECTED
IN CNTRL IL...SHUD BE DRY. MDLS SHOWING GUD MID LVL DRYING BEHIND THE
S/W AND FNT SO TOMORROW WILL BE MO SUNNY. ONLY EXCEPTION MAY BE CLOSE
TO FNT OVR THE SE COUNTIES TMW MRNG. WITH LACK OF GUD CAA AND PLENTY OF
LATE AUG SUN...TEMPS WL STILL WARM NICELY TOMORROW. FWC/FA
N IN CLOSE
AGREEMENT AND FOLLOWED.

PIA   61/84  10
SPI   62/86  10
DEC   63/86  10
CMI   63/85  10
SEIL  64/86  31

FRIEDERS/BRITT

In the hours before

Special weather statement, Aug 26, 10:51 AM CDT, 5 hours 27 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</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.
      </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 Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 26, 6:10 PM CDT	Severe Thunderstorm Warning	ILX	Macon	50 min

Nearby

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.