Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 2, NWS Lincoln, IL

April 19, 1993Morgan County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 19, 1993, 7:55 AM CDT for Morgan County, Illinois. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Apr 19, 1993, 7:55 AM CDT (12:55 UTC)
Expired
Apr 19, 1993, 8:25 AM CDT
In force
30 min
Issued by
NWS Lincoln, IL
Area
Whole counties

County Morgan County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 0.9 hours before the alert went out and 322 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, Paducah/Barkley, KY at 12:00Z on 1993-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Paducah/Barkley, KY at 12:00Z on 1993-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 242 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
242 m²/s²
0-3 km storm-relative helicity
272 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS1 KSPI 191255 RRA
SVRSPI
ILC137-191345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD IL
755 AM CDT MON APR 19 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 845 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE CENTRAL PART OF ILLINOIS
      SOUTHERN MORGAN

AT 755 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 35 MILES
SOUTHWEST OF SPRINGFIELD...NEAR MURRAYVILLE.  THE STORM WAS MOVING
TO THE NORTHEAST AT 35 MILES AN HOUR.

THE STORM WILL MOVE THROUGH THE FOLLOWING TOWNS...MURRAYVILLE...
CLEMENTS...FRANKLIN AND WAVERLY.

IF YOU ARE IN AN AREA THREATENED BY THE STORM..GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND DANGEROUS LIGHTNING.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.

BYRD

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 19, 6:45 AM CDT, 1 hour 10 minutes before
ILZ005>007-009-191130-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE PEORIA IL
645 AM CDT MON APR 19 1993

...FLOOD WATCH IN EFFECT TODAY AND TONIGHT FOR WEST CENTRAL ILLINOIS...

AT 6:40 AM... A LARGE AREA OF RAIN WITH EMBEDDED THUNDERSTORMS EXTENDED
FROM 15 MILES SOUTHWEST OF OF MOLINE TO SPRINGFIELD. THIS AREA OF RAIN WAS
MOVING NORTHEAST AT 35 TO 40 MPH. THE THUNDERSTORM IN WARREN COUNTY NEAR
ROSEVILLE HAD WEAKENED CONSIDERABLY IN THE LAST HOUR AND SHOULD NO LONGER
POSE A THREAT TO THAT COUNTY.

THE LARGE AREA OF RAIN WILL ENTER PEORIA AROUND 7:30 AM AND BLOOMINGTON
TOWARDS 9 AM. HEAVY RAINS OF A HALF INCH TO AN INCH ARE POSSIBLE THIS MORNING.
ALSO THE THREAT OF THUNDERSTORMS WILL CONTINUE THIS MORNING WITH THE RISK
OF SEVERE CRITERIA BEING MET AS THE MORNING PROGRESSES AND SOME HEATING
OCCURS.

PEOPLE ACROSS WEST CENTRAL ILLINOIS ARE URGED TO USE CAUTION DUE TO THE
RAPIDLY CHANGING CONDITIONS. MOTORISTS AS WELL AS PEDESTRIANS SHOULD
BE MADE AWARE OF THE FLOOD POTENTIAL ACROSS THE AREA. REMEMBER... DO NOT
ATTEMPT TO DRIVE ACROSS A FLOODED ROADWAY OR WALK THROUGH A FLOODED CREEK.
IF YOU ARE NOT SURE ABOUT THE DEPTH OF THE WATER TAKE AN ALTERNATE ROUTE.

STAY TUNED TO LOCAL RADIO AND TELEVISION OR NOAA WEATHER RADIO FOR
FURTHER STATEMENTS.

MOGGED
Special weather statement, Apr 19, 6:52 AM CDT, 1 hour 3 minutes before
ILZ005>007-009-191130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
555 AM CDT MON APR 19 1993

...FLOOD WATCH IN EFFECT TODAY AND TONIGHT FOR WEST CENTRAL ILLINOIS...

AT 6:40 AM... A LARGE AREA OF RAIN WITH EMBEDDED THUNDERSTORMS EXTENDED
FROM 15 MILES SOUTHWEST OF OF MOLINE TO SPRINGFIELD. THIS AREA OF RAIN WAS
MOVING NORTHEAST AT 35 TO 40 MPH. THE THUNDERSTORM IN WARREN COUNTY NEAR
ROSEVELLE HAD WEAKENED CONSIDERABLY IN THE LAST HOUR AND SHOULD NO LONGER
POSE A THREAT TO THAT COUNTY.

THE LARGE AREA OF RAIN WILL ENTER PEORIA AROUND 7:30 AM AND BLOOMINGTON
TOWARDS 9 AM. HEAVY RAINS OF A HALF INCH TO AN INCH ARE POSSIBLE THIS MORNING.
ALSO THE THREAT OF THUNDERSTORMS WILL CONTINUE THIS MORNING WITH THE RISK
OF SEVERE CRITERIA BEING MET AS THE MORNING PROGRESSES AND SOME HEATING
OCCURS.

PEOPLE ACROSS WEST CENTRAL ILLINOIS ARE URGED TO USE CAUTION DUE TO THE
RAPIDLY CHANGING CONDITIONS. MOTORISTS AS WELL AS PEDESTRIANS SHOULD
BE MADE AWARE OF THE FLOOD POTENTIAL ACROSS THE AREA. REMEMBER... DO NOT
ATTEMPT TO DRIVE ACROSS A FLOODED ROADWAY OR WALK THROUGH A FLOODED CREEK.
IF YOU ARE NOT SURE ABOUT THE DEPTH OF THE WATER TAKE AN ALTERNATE ROUTE.

STAY TUNED T^O LOCAL RADIO AND TELEVISION OR NOAA WEATHER RADIO FOR
FURTHER STATEMENTS.

MOGGED
Special weather statement, Apr 19, 6:56 AM CDT, 59 minutes before
ILZ005>007-009-191130-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE PEORIA IL
645 AM CDT MON APR 19 1993

...FLOOD WATCH IN EFFECT TODAY AND TONIGHT FOR WEST CENTRAL ILLINOIS...

AT 6:40 AM... A LARGE AREA OF RAIN WITH EMBEDDED THUNDERSTORMS EXTENDED
FROM 15 MILES SOUTHWEST OF OF MOLINE TO SPRINGFIELD. THIS AREA OF RAIN WAS
MOVING NORTHEAST AT 35 TO 40 MPH. THE THUNDERSTORM IN WARREN COUNTY NEAR
ROSEVILLE HAD WEAKENED CONSIDERABLY IN THE LAST HOUR AND SHOULD NO LONGER
POSE A THREAT TO THAT COUNTY.

THE LARGE AREA OF RAIN WILL ENTER PEORIA AROUND 7:30 AM AND BLOOMINGTON
TOWARDS 9 AM. HEAVY RAINS OF A HALF INCH TO AN INCH ARE POSSIBLE THIS MORNING.
ALSO THE THREAT OF THUNDERSTORMS WILL CONTINUE THIS MORNING WITH THE RISK
OF SEVERE CRITERIA BEING MET AS THE MORNING PROGRESSES AND SOME HEATING
OCCURS.

PEOPLE ACROSS WEST CENTRAL ILLINOIS ARE URGED TO USE CAUTION DUE TO THE
RAPIDLY CHANGING CONDITIONS. MOTORISTS AS WELL AS PEDESTRIANS SHOULD
BE MADE AWARE OF THE FLOOD POTENTIAL ACROSS THE AREA. REMEMBER... DO NOT
ATTEMPT TO DRIVE ACROSS A FLOODED ROADWAY OR WALK THROUGH A FLOODED CREEK.
IF YOU ARE NOT SURE ABOUT THE DEPTH OF THE WATER TAKE AN ALTERNATE ROdUTE.

STAY TUNED TO LOCAL RADIO AND TELEVISION OR NOAA WEATHER RADIO FOR
FURTHER STATEMENTS.

MOGGED
Special weather statement, Apr 19, 7:05 AM CDT, 50 minutes before
ILZ009-010-191250-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
705 AM CDT MON APR 19 1993

...SHOWERS AND THUNDERSTORMS CONTINUED OVER CENTRAL ILLINOIS...

AT 700 AM CDT...WEATHER RADAR INDICATED A LARGE AREA OF SHOWERS AND
THUNDERSTORMS OVER CENTRAL ILLINOIS.  THE STORMS WERE WEST OF A LINE
FROM 25 MILES WEST OF PEORIA TO 25 MILES EAST OF SPRINGFIELD TO 35 MILES
EAST OF VANDALIA ILLINOIS.  THE STORMS WERE MOVING TO THE NORTHEAST AT
35 MILES AN HOUR AND WILL MOVE INTO THE DECATUR AREA BY 730 AM.

REMEMBER...BRIEF HEAVY RAINFALL...SMALL HAIL...GUSTY WINDS TO 40 MPH
AND FREQUENT DANGEROUS LIGHTNING ARE POSSIBLE WITH THESE STORMS.

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE NORTHEASTWARD OVER
CENTRAL ILLINOIS THIS MORNING.  SOME STORMS MAY BE SEVERE...ESPECIALLY
THIS AFTERNOON.  OVER EAST CENTRAL ILLINOIS...SKIES WILL REMAIN CLOUDY
WITH SHOWERS AND THUNDERSTORMS DEVELOPING BY 10 AM.  TEMPERATURES WILL
RISE INTO THE UPPER 50S TO LOW 60S BY NOON WITH BRISK SOUTHEAST TO
SOUTH WINDS 15 TO 25 MPH.

IF THREATENING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY UNTIL THE
STORM HAS PASSED.  LISTEN TO RADIO...TV OR NOAA WEATHER RADIO FOR
FURTHER STATEMENTS AND POSSIBLE WATCHES AND WARNINGS.

BYRD
Special weather statement, Apr 19, 7:35 AM CDT, 20 minutes before
ILZ005>007-009-191330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
735 AM CDT MON APR 19 1993

...FLOOD WATCH IN EFFECT TODAY AND TONIGHT FOR WEST CENTRAL ILLINOIS...

AT 7:30 AM... RAIN HAD ENTERED THE PEORIA AREA. THIS RAIN WAS PART OF A
LARGE AREA OF RAIN WHICH EXTENDED WEST OF A MOLINE-PEORIA LINE. WITHIN THIS
RAIN AREA... THUNDERSTORMS ARE POSSIBLE. THE RAIN WAS MOVING NORTHEAST AT
35 MPH.

ALSO... A LINE OF SHOWERS AND THUNDERSTORMS HAD DEVELOPED FROM WYANET IN
BUREAU COUNTY TO WINONA IN MARSHALL COUNTY. THIS LINE WAS MOVING NORTH
NORTHEAST AT 30 MPH. SMALL HAIL IS POSSIBLE WITH THESE STORMS.

THE RAIN IN THE PEORIA AREA WILL LAST THROUGH 9:00 AM WITH AN INCH OR MORE
POSSIBLE... ESPECIALLY IN AREAS OF THUNDERSTORMS. THE STORMS ACROSS BUREAU
AND MARSHALL COUNTIES SHOULD EXIT THOSE COUNTIES BY 8:15 AM AND BE REPLACED
BY RAIN. RAIN WILL ENTER BLOOMINGTON AROUND 8:30 AM.
.
PEOPLE ACROSS WEST CENTRAL ILLINOIS ARE URGED TO USE CAUTION DUE TO THE
RAPIDLY CHANGING CONDITIONS. MOTORISTS AS WELL AS PEDESTRIANS SHOULD
BE MADE AWARE OF THE FLOOD POTENTIAL ACROSS THE AREA. REMEMBER... DO NOT
ATTEMPT TO DRIVE ACROSS A FLOODED ROADWAY OR WALK THROUGH A FLOODED CREEK.
IF YOU ARE NOT SURE ABOUT THE DEPTH OF THE WATER TAKE AN ALTERNATE ROUTE.

STAY TUNED TO LOCAL RADIO AND TELEVISION OR NOAA WEATHER RADIO FOR
FURTHER STATEMENTS.

MOGGED
Special weather statement, Apr 19, 7:44 AM CDT, 11 minutes before
ILZ005>007-009-191330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
735 AM CDT MON APR 19 1993

...FLOOD WATCH IN EFFECT TODAY AND TONIGHT FOR WEST CENTRAL ILLINOIS...

AT 7:30 AM... RAIN HAD ENTERED THE PEORIA AREA. THIS RAIN WAS PART OF A
LARGE AREA OF RAIN WHICH EXTENDED WEST OF A MOLINE-PEORIA LINE. WITHIN THIS
RAIN AREA... THUNDERSTORMS ARE POSSIBLE. THE RAIN WAS MOVING NORTHEAST AT
35 MPH.

ALSO... A LINE OF SHOWERS AND THUNDERSTORMS HAD DEVELOPED FROM WYANET IN
BUREAU COUNTY TO WINONA IN MARSHALL COUNTY. THIS LINE WAS MOVING NORTH
NORTHEAST AT 30 MPH. SMALL HAIL IS POSSIBLE WITH THESE STORMS.

THE RAIN IN THE PEORIA AREA WILL LAST THROUGH 9:00 AM WITH AN INCH OR MORE
POSSIBLE... ESPECIALLY IN AREAS OF THUNDERSTORMS. THE STORMS ACROSS BUREAU
AND MARSHALL COUNTIES SHOULD EXIT THOSE COUNTIES BY 8:15 AM AND BE REPLACED
BY RAIN. RAIN WILL ENTER BLOOMINGTON AROUND 8:30 AM.
.
PEOPLE ACROSS WEST CENTRAL ILLINOIS ARE URGED TO USE CAUTION DUE TO THE
RAPIDLY CHANGING CONDITIONS. MOTORISTS AS WELL AS PEDESTRIANS SHOULD
BE MADE AWARE OF THE FLOOD POTENTIAL ACROSS THE AREA. REMEMBER... DO NOT
ATTEMPT TO DRIVE ACROSS A FLOODED ROADWAY OR WALK THROUGH A FLOODED CREEK.
IF YOU ARE NOT SURE ABOUT THE DEPTH OF THE WATER TAKE AN ALTERNATE ROUTE.

STAY TUNED TO LOCAL RADIO AND TELEVISION OR NOAA WEATHER RADIO FOR
FURTHER STATEMENTS.

MOGGED

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.