Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 13, NWS Paducah, KY
NWS Paducah, KY issued this severe thunderstorm warning at Apr 27, 1994, 3:47 AM CDT for Hamilton County, Illinois. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Apr 27, 1994, 3:47 AM CDT (08:47 UTC)
- Expired
- Apr 27, 1994, 4:30 AM CDT
- In force
- 43 min
- Issued by
- NWS Paducah, KY
- Area
- Whole counties
County Hamilton County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 8.8 hours before the alert went out and 113 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.
- Mixed-layer CAPE
- 2999 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1036 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 10.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPAH 270847 SVRPAH ILC065-270930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PADUCAH KY 347 AM CDT WED APR 27 1994 THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH ILLINOIS ...HAMILTON COUNTY AT 345 AM CDT...PADUCAH RADAR INDICATED A SEVERE THUNDERSTORM N 28 MILES NORTHEAST OF MARION ILLINOIS NEAR THE CITY OF FRISCO ILLINOIS. THE STORM WAS MOVING TO THE EAST AT 40 MILES AN HOUR. SOME COMMUNITIES IN THE WARNED AREA AREA MCCLEANSBORO AND MACEDONIA ILLINOIS. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. LINDSTROM NNNN
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, 10:21 PM CDT, 5 hours 26 minutes before
KYZ001>013-ILZ081-082-084>086-088>094-MOZ086-087-100-109>115-270420- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 1020 PM CDT TUE APR 26 1994 ...A TORNADO WATCH REMAINS IN EFFECT FOR WAYNE...BOLLINGER...AND BUTLER COUNTIES IN SOUTHEAST MISSOURI...AND JACKSON COUNTY IN SOUTHERN ILLINOIS UNTIL MIDNIGHT... AT 1015 PM...PADUCAH RADAR DETECTED A LINE OF THUNDERSTORMS EXTENDING FROM JUST EAST OF DECATUR ILLINOIS SOUTHWEST TO JUST EAST OF FARMINGTON MISSOURI. THE CLOSEST STORMS TO THE TRI-STATE WERE DETECTED 70 MILES NORTH OF CAPE GIRARDEAU MISSOURI...IN SAINT FRANCOIS AND SAINT GENEVIEVE COUNTIES BETWEEN FARMINGTON AND WEINGARTEN. THE STORMS WERE MOVING EAST AT 45 MPH...WHILE THE LINE WAS SAGGING VERY SLOWLY SOUTHEAST. KEEP AN EYE ON THE SKY. EXPLOSIVE DEVELOPMENT OF SEVERE THUNDERSTORMS IS POSSIBLE TONIGHT...AND THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE TORNADOES. SEEK SHELTER IMMEDIATELY IF YOU OBSERVE THREATENING WEATHER CONDITIONS. HUMPHREY
Special weather statement, Apr 26, 11:15 PM CDT, 4 hours 32 minutes before
KYZ001>013-ILZ081-082-084>086-088>094-MOZ086-087-100-109>115-270515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 1115 PM CDT TUE APR 26 1994 ...A NEW TORNADO WATCH HAS BEEN ISSUED AND IS IN EFFECT FOR THE SOUTHEAST MISSOURI COUNTIES OF WAYNE...BOLLINGER...CAPE GIRARDEAU AND SCOTT...AND ALL OF SOUTHERN ILLINOIS EXCEPT FOR MASSAC...POPE AND HARDIN COUNTIES UNTIL 300 AM CDT... AT 1110 PM...PADUCAH RADAR DETECTED THE BACK EDGE OF A LINE OF THUNDERSTORMS 25 MILES NORTHWEST OF MARION ILLINOIS...IN RANDOLPH AND PERRY COUNTIES IN SOUTHERN ILLINOIS. THE STORMS REPRESENTED THE BACK EDGE OF A LINE THAT EXTENDED NORTHEAST TO NEAR BROCTON ILLINOIS...WHICH IS 25 MILES EAST OF DECATUR. THE STORMS WERE MOVING EAST AT 45 MPH. KEEP AN EYE ON THE SKY. EXPLOSIVE DEVELOPMENT OF SEVERE THUNDERSTORMS IS POSSIBLE TONIGHT...AND THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE TORNADOES. SEEK SHELTER IMMEDIATELY IF YOU OBSERVE THREATENING WEATHER CONDITIONS. HUMPHREY
Special weather statement, Apr 27, 12:21 AM CDT, 3 hours 26 minutes before
KYZ001>013-ILZ081-082-084>086-088>094-MOZ086-087-100-109>115-270620- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 1220 AM CDT WED APR 27 1994 ...A TORNADO WATCH REMAINS IN EFFECT FOR BOLLINGER...CAPE GIRARDEAU AND SCOTT COUNTIES IN SOUTHEAST MISSOURI...AND ALL OF SOUTHERN ILLINOIS EXCEPT FOR MASSAC...POPE AND HARDIN COUNTIES UNTIL 300 AM CDT... AT 1215 AM...PADUCAH RADAR DETECTED STRONG THUNDERSTORMS 75 MILES NORTHWEST OF CAPE GIRARDEAU MISSOURI...IN JEFFERSON COUNTY NEAR CRYSTAL CITY. OTHER STRONG STORMS EXTENDED EAST THROUGH SOUTH CENTRAL ILLINOIS. THE STORMS WERE MOVING EAST AT 45 MPH. KEEP AN EYE ON THE SKY. EXPLOSIVE DEVELOPMENT OF SEVERE THUNDERSTORMS IS POSSIBLE TONIGHT...AND THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE TORNADOES. SEEK SHELTER IMMEDIATELY IF YOU OBSERVE THREATENING WEATHER CONDITIONS. HUMPHREY
Special weather statement, Apr 27, 1:17 AM CDT, 2 hours 30 minutes before
KYZ001>013-ILZ081-082-084>086-088>094-MOZ086-087-100-109>115-270715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 115 AM CDT WED APR 27 1994 ...A TORNADO WATCH REMAINS IN EFFECT FOR BOLLINGER...CAPE GIRARDEAU AND SCOTT COUNTIES IN SOUTHEAST MISSOURI...AND ALL OF SOUTHERN ILLINOIS EXCEPT FOR MASSAC...POPE AND HARDIN COUNTIES UNTIL 300 AM CDT... AT 110 AM...PADUCAH RADAR DETECTED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR SAINT LOUIS MISSOURI EAST TO LAWRENCEVILLE ILLINOIS...OR 40 MILES NORTH OF EVANSVILLE INDIANA. THE STORMS WERE MOVING EAST AT 45 MPH. KEEP AN EYE ON THE SKY. EXPLOSIVE DEVELOPMENT OF SEVERE THUNDERSTORMS IS POSSIBLE TONIGHT...AND THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE TORNADOES. SEEK SHELTER IMMEDIATELY IF YOU OBSERVE THREATENING WEATHER CONDITIONS. HUMPHREY
Special weather statement, Apr 27, 2:23 AM CDT, 1 hour 24 minutes before
KYZ001>013-ILZ081-082-084>086-088>094-MOZ086-087-100-109>115-270820- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PADUCAH KY 220 AM CDT WED APR 27 1994 ...A TORNADO WATCH REMAINS IN EFFECT FOR BOLLINGER...CAPE GIRARDEAU AND SCOTT COUNTIES IN SOUTHEAST MISSOURI...AND ALL OF SOUTHERN ILLINOIS EXCEPT FOR MASSAC...POPE AND HARDIN COUNTIES UNTIL 300 AM CDT... AT 215 AM...PADUCAH RADAR DETECTED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM 75 MILES NORTHWEST OF CAPE GIRARDEAU...NEAR ARCADIA IN SOUTHEAST MISSOURI NORTHEAST TO AROUND MOUNT VERNON ILLINOIS. THE STORMS WERE MOVING EAST AT 45 MPH...WHILE THE LINE WAS SAGGING VERY SLOWLY SOUTHEAST. THE CLOSEST STORMS TO THE TRI-STATE WERE 25 MILES NORTHWEST OF MARION ILLINOIS IN RANDOLPH AND PERRY COUNTIES IN ILLINOIS. STAY TUNED TO SEE IF THESE DANGEROUS STORMS MOVE INTO THE TRI-STATE. REMEMBER...EXPLOSIVE DEVELOPMENT OF SEVERE THUNDERSTORMS IS POSSIBLE TONIGHT...AND THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE TORNADOES. SEEK SHELTER IMMEDIATELY IF YOU OBSERVE THREATENING WEATHER CONDITIONS. HUMPHREY
The office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 3:23 AM CDT | Severe Thunderstorm Warning | PAH | Jackson | 37 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1994Every severe thunderstorm warning in 1994
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.