Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 73, NWS Lincoln, IL

June 24, 1993Hancock County, Henderson County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 24, 1993, 6:19 PM CDT for Hancock County, Henderson County, Illinois. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jun 24, 1993, 6:19 PM CDT (23:19 UTC)
Expired
Jun 24, 1993, 7:15 PM CDT
In force
56 min
Issued by
NWS Lincoln, IL
Area
Whole counties

Counties Hancock County, IL, Henderson County, IL

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 11.3 hours before the alert went out and 431 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, Topeka, KS at 12:00Z on 1993-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1579 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, Topeka, KS at 12:00Z on 1993-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 318 square meters per square second.193958Sfc1 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
1579 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
795 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
318 m²/s²
0-3 km storm-relative helicity
328 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

Special weather statement, Jun 24, 5:06 PM CDT, 1 hour 13 minutes before
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Special weather statement, Jun 24, 5:08 PM CDT, 1 hour 11 minutes before
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Special weather statement, Jun 24, 5:29 PM CDT, 50 minutes before
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Special weather statement, Jun 24, 5:30 PM CDT, 49 minutes before
ILZ005>007-009-242330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
530 PM CDT THU JUN 24 1993

...A TORNADO WATCH IN EFFECT FOR ALL OF WEST CENTRAL ILLINOIS EXCEPT
MCLEAN COUNTY UNTIL 900 PM...

AT 515 PM... STRONG THUNDERSTORMS WERE ALONG THE MISSISSIPPI RIVER
FROM MOLINE TO BURLINGTON SOUTHWEST INTO MISSOURI. THESE STORMS WERE
MOVING NORTH NORTHEAST AT 35 MPH AND HAVE THE POTENTIAL TO BECOME
SEVERE AND SPAWN TORNADOES.

THESE STORMS WERE FORMING ALONG A COLD FRONT IN EASTERN IOWA. THESE
STORMS WILL CONTINUE TO AFFECT COUNTIES ALONG THE MISSISSIPI RIVER
THROUGH 600 PM. THOSE COUNTIES AFFECTED BY THESE STORMS ARE HANCOCK
AND HENDERSON COUNTIES.

PEOPLE IN WESTERN AND CENTRAL ILLINOIS ARE ADVISED TO REMAIN ALERT
FOR RAPIDLY CHANGING WEATHER CONDITIONS. STAY TUNED TO RADIO...TV
AND NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

MOGGED
Special weather statement, Jun 24, 5:31 PM CDT, 48 minutes before
ILZ009-242330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
530 PM CDT THU JUN 24 1993

...TORNADO WATCH IN EFFECT TILL 9 PM CDT FOR CASS...SANGAMON...MENARD
AND LOGAN COUNTIES...

AT 5 20 PM CDT...RADAR INDICATED NO SHOWERS OR THUNDERSTORMS IN WEST
CENTRAL OR CENTRAL ILLINOIS.

HOWEVER THERE IS A LINE OF STRONG THUNDERSTORMS THAT EXTENDS FROM
MOLINE TO BURLINGTON IOWA TO 25 MILES NORTHWEST OF QUINCY.  THE STRONG/
EST STORMS WERE LOCATED FORM 20 MILES SOUTHWEST OF BURLINGTON IOWA TO
25 MILES NORTHWEST OF QUINCY.  THESE STORMS WERE MOVING TO THE NORTH/
EAST AT 25 MPH.

THESE STORMS COULD PRODUCE DAMAGING WINDS...DEADLY LIGHTNING...HAIL
AND POSSIBLY A TORNADO.  STAY T UNED TO YOUR FAVORITE SOURCE OF WEATHER
INFORMATION FOR FURTHER UPDATES AND WARNINGS.                    AUTEN
Special weather statement, Jun 24, 5:43 PM CDT, 36 minutes before
ILZ009-242330-

SPECIAL WEATHER STATEMENT...CORRECTION...WORDING...
NATIONAL WEATHER SERVICE SPRINGFIELD IL
530 PM CDT THU JUN 24 1993

...TORNADO WATCH IN EFFECT TILL 9 PM CDT FOR CASS...SANGAMON...MENARD
AND LOGAN COUNTIES...

AT 5 20 PM CDT...RADAR INDICATED NO PRECIPITATION IN CENTRAL ILLINOIS.

HOWEVER THERE IS A LINE OF STRONG THUNDERSTORMS THAT EXTENDS FROM
MOLINE TO BURLINGTON IOWA TO 25 MILES NORTHWEST OF QUINCY.  THE STRONG/
EST STORMS WERE LOCATED FORM 20 MILES SOUTHWEST OF BURLINGTON IOWA TO
25 MILES NORTHWEST OF QUINCY.  THESE STORMS WERE MOVING TO THE NORTH/
EAST AT 25 MPH.

THESE STORMS COULD PRODUCE DAMAGING WINDS...DEADLY LIGHTNING...HAIL
AND POSSIBLY A TORNADO.  STAYF TUNED TO YOUR FAVORITE SOURCE OF WEATHER
INFORMATION FOR FURTHER UPDATES OR POSSIBLE WARNINGS.

AUTEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 11:59 AM CDTSevere Thunderstorm WarningILXHenderson28 min
Jun 24, 11:59 AM CDTSevere Thunderstorm WarningILXWarren46 min
Jun 24, 12:41 PM CDTSevere Thunderstorm WarningILXKnox34 min
Jun 24, 1:05 PM CDTSevere Thunderstorm WarningILXMcDonough40 min
Jun 24, 1:08 PM CDTSevere Thunderstorm WarningILXBureau, Stark67 min
Jun 24, 1:30 PM CDTSevere Thunderstorm WarningILXFulton45 min
Jun 24, 1:32 PM CDTSevere Thunderstorm WarningILXMarshall, Putnam58 min
Jun 24, 3:49 PM CDTSevere Thunderstorm WarningILXHancock, Henderson56 min
Jun 24, 6:18 PM CDTSevere Thunderstorm WarningILXMcDonough117 min
Jun 24, 6:42 PM CDTSevere Thunderstorm WarningILXWarren48 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1993Every severe thunderstorm warning in 1993

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.