Alert archive / Illinois / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 27, NWS Lincoln, IL

April 26, 1989Moultrie County, Shelby County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 26, 1989, 11:49 PM CDT for Moultrie County, Shelby County, Illinois. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Apr 26, 1989, 11:49 PM CDT (04:49 UTC)
Expired
Apr 27, 1989, 12:45 AM CDT
In force
56 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Moultrie County, IL, Shelby County, IL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Peoria Regional, IL (KPIA), launched 00:00Z, 4.8 hours before the alert went out and 149 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-pSkew-T log-p diagram, Peoria Regional, IL at 00:00Z on 1989-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1526 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peoria Regional, IL at 00:00Z on 1989-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1526 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
1669 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

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

Special weather statement, Apr 26, 6:33 PM CDT, 5 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
630 PM CDT WED APR 26 1989

...TORNADO WATCH REMAINS IN EFFECT FOR WEST CENTRAL ILLINOIS
UNTIL 11 PM...

AT 625 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM 10 MILES SOUTHEAST OF MOLINE ILLINOIS.  THIS STORM
WAS PART OF A LINE OF SHOWERS AND STRONG THUNDERSTORMS EXTENDING
FROM NEAR MADISON WISCONSIN TO DES MOINES IOWA.  THE SHOWERS AND
STORMS WERE MOVING SOUTHEAST AT 35 MILES AN HOUR.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN THIS AREA.  BE ON THE
LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO LOCAL
RADIO...TELEVISION...OR NOAA WEATHER RA,DIO FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

J LAST
Special weather statement, Apr 26, 6:38 PM CDT, 5 hours 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
6 35 PM CDT WED APR 26 1989

...STRONG THUNDERSTORM IN SOUTHEAST ILLINOIS...

AT 630 PM CDT WEATHER RADARS SHOW A STRONG THUNDERSTORM LOC.ATED IN
CLARK COUNTY JUST SOUTHEAST OF MARTINSVILLE ILLINOIS.

THE THUNDERSTORM WAS MOVING EAST AND SOUTHEAST AT 30 MPH.

THIS THUNDERSTORM MAY PRODUCE STRONG GUSTY WINDS..DANGEROUS LIGHTNING
...AND HEAVY RAINFALL AMOUNTS.

HILLIARD
Special weather statement, Apr 26, 7:22 PM CDT, 4 hours 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
7 20 PM CDT WED APR 26 1989

...STRONG THUNDERSTORM IN SOUTHEAST ILLINOIS...

AT 715 PM CDT WEATHER RADARS SHOW A STRONG THUNDERSTORM LOCATED IN
CLARK COUNTY JUST EAST OF MARTINSVILLE ILLINOIS.

THE THUNDERSTORM WAS MOVING SLOWLY EAST AT ABOUT 10 MPH.

THIS THUNDERSTORM MAY PRODUCE STRONG GUSTY WINDS..DANGEROUS LIGHTNING
...AND HEAVY RAINFALL CAUSING LOCAL FLOODING DUE TO THE SLOW MOVEMENT.

HILLIARD
Special weather statement, Apr 26, 10:39 PM CDT, 1 hour 10 minutes before
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Special weather statement, Apr 26, 11:30 PM CDT, 19 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.
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 7:28 PM CDTSevere Thunderstorm WarningILXMarshall, Peoria, Woodford47 min
Apr 26, 7:44 PM CDTSevere Thunderstorm WarningILXPeoria, Tazewell, Woodford46 min
Apr 26, 8:04 PM CDTSevere Thunderstorm WarningILXMcLean41 min
Apr 26, 8:18 PM CDTSevere Thunderstorm WarningILXHancock, McDonough, Schuyler42 min
Apr 26, 8:47 PM CDTSevere Thunderstorm WarningILXMcLean28 min
Apr 26, 9:08 PM CDTSevere Thunderstorm WarningILXFulton, McDonough, Schuyler37 min
Apr 26, 9:21 PM CDTSevere Thunderstorm WarningILXDeWitt, Piatt69 min
Apr 26, 9:46 PM CDTSevere Thunderstorm WarningILXMacon, Sangamon59 min
Apr 26, 9:46 PM CDTSevere Thunderstorm WarningILXMorgan59 min
Apr 26, 9:57 PM CDTSevere Thunderstorm WarningILXDouglas, Moultrie63 min
Apr 26, 9:57 PM CDTSevere Thunderstorm WarningILXChampaign63 min
Apr 26, 10:14 PM CDTSevere Thunderstorm WarningILXMacoupin, Montgomery61 min
Apr 26, 10:14 PM CDTSevere Thunderstorm WarningILXChristian, Shelby61 min
Apr 26, 10:39 PM CDTSevere Thunderstorm WarningILXClark, Coles, Cumberland, Edgar66 min
Apr 26, 11:06 PM CDTSevere Thunderstorm WarningILXMacoupin, Morgan, Sangamon69 min
Apr 26, 11:06 PM CDTSevere Thunderstorm WarningILXChristian, Montgomery69 min
Apr 26, 11:06 PM CDTSevere Thunderstorm WarningILXMacon69 min
Apr 27, 12:02 AM CDTSevere Thunderstorm WarningILXClark, Edgar58 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1989Every severe thunderstorm warning in 1989

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.