Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 8, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Apr 15, 1994, 4:06 AM CDT for Menard County, Illinois. It was in force for 39 min.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1994, 4:06 AM CDT (09:06 UTC)
- Expired
- Apr 15, 1994, 4:45 AM CDT
- In force
- 39 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Menard County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 9.1 hours before the alert went out and 342 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2422 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSPI 150912 COR SVRSPI ILC129-150945- BULLETIN - IMMEDIATE BROADCAST REQUESTED ...CORRECTED 1ST PARAGRAPH... SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SPRINGFIELD IL 406 AM CDT FRI APR 15 1994 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL ILLINOIS ...MENARD COUNTY AT 405 AM CDT...MARBLE-SIZE HAIL WAS REPORTED IN PETERSBURG...IN WESTERN MENARD COUNTY. PETERSBURG IS ABOUT 20 MILES NORTHWEST OF SPRINGFIELD. THE STORM WAS MOVING TO THE NORTHEAST AT 40 MPH...AND WILL AFFECT THE TOWNS OF GREENVIEW...SWEETWATER...AND ATHENS BY 435 AM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... HAIL 3/4 INCH OR LARGER...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. 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...SO BE ON THE LOOKOUT. GEELHART &
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 15, 1:25 AM CDT, 2 hours 41 minutes before
ILZ025-034-150725- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE PEORIA IL 120 AM CDT FRI APR 15 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 AM CDT FOR PORTIONS OF WEST CENTRAL ILLINOIS... A LINE OF THUNDERSTORMS WAS FROM MOLINE EXTNDING SOUTHWEST TO KEOKUK IOWA. MOVEMENT WAS NORTHEAST AT 45 MPH. THE STRONGER STORMS WERE STILL OVER EASTERN IOWA. THE STORMS SEEM TO BE SKIRTING NORTHEAST TO JUST WEST OF THE MISSISSIPPI RIVER AND HAVE NOT YET MOVED INTO WESTERN ILLINOIS. THE LINE OF THUNDERSTORMS ARE EXPECTED TO MOVE INTO HANCOCK AND HENDERSON COUNTIES BY 2 AM. STAY TUNDED TO NOAA WEATHER RADIO FOR POSSIBLE WARNINGS CONCERNING THESE STORMS. AT JSIGNS OF AN IMPENDING STORM...MOVE TO A PLACE OF SAFETY. STUMETZ /TYPO/
Special weather statement, Apr 15, 2:20 AM CDT, 1 hour 46 minutes before
ILZ025>027-034-150820- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 219 AM CDT FRI APR 15 1994 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 5 AM FOR PORTIONS OF WEST CENTRAL ILLINOIS... AT 220 AM...MOST THUNDERSTORMS WERE STILL ALONG THE MISSISSIPPI RIVER...HOWEVER OTHER THUNDERSTORMS HAVE DEVELOPED OVER WARREN...MCDONOUGH AND SCHUYLER CONTIES WITH THE STRONGEST STORMS WERE 5 MILES EAST OF BURLINGTON IOWA AND 10 MILES SOUTHEAST OF MACOMB. MOVEMENT WAS NORTHEAST AT 45 MPH. THE STONGER STORMS MAY BE CAPABLE OF PRODUCING DAMAGING WINDS...LARGE HAIL...HEAVY RAINFALL AND FREQUENT LIGHTNING. STAYED TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TV OR RADIO STATIONS FOR POSSIBLE WARNINGS CONCERNING THESE STORMS. STUMETZ
Special weather statement, Apr 15, 2:56 AM CDT, 1 hour 10 minutes before
ILZ017-018-025>031-034>038-040-041-150855- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 251 AM CDT FRI APR 15 1994 ...TORNADO WATCH FOR ALL OF WEST CENTRAL ILLINOIS UNTIL 9 AM CDT... AT 250 AM CDT...THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER WEST CENTRAL ILLINOIS MAINLY BETWEEN THE MISSISSIPPI AND ILLINOIS RIVER. THE STRONGEST STORM WAS IN FULTON COUNTY NEAR LEWISTON. THUNDERSTORMS WILL BE MOVING THROUGH ALL OF WEST CENTRAL ILLINOIS DURING THE EARLY MORNING HOURS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS. PERSONS IN THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND LISTEN FOR LATER STATEMEN6TS AD POSSIBLE WARNINGS. STUMETZ
Special weather statement, Apr 15, 3:06 AM CDT, 1 hour before
ILZ042-047-048-050-051-059-150905- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 306 AM CDT FRI APR 15 1994 ...A TORNADO WATCH IS IN EFFECT UNTIL 9 AM CDT FOR PORTIONS OF CENTRAL ILLINOIS... AT 3 AM CDT...WEATHER RADAR FROM SPRINGFIELD SHOWED A LINE OF STRONG TO SEVERE THUNDERSTORMS EXTENDING FROM JUST EAST OF THE QUAD CITIES...TO SOUTH OF QUINCY...AND WESTWARD TOWARD COLUMBIA MISSOURI. THE STORMS ARE MOVING TO THE EAST AT 45 MPH. THE LINE OF THUNDERSTORMS SHOULD MOVE INTO CASS AND MORGAN COUNTIES BY 4 PM...AND REACH THE SPRINGFIELD AREA AROUND 5 AM. THIS LINE OF THUNDERSTORMS HAS A HISTORY OF PRODUCING SEVERE WEATHER WHILE TRAVELLING ACROSS IOWA...MISSOURI...AND FAR WESTERN ILLINOIS. PEOPLE IN CENTRAL ILLINOIS SHOULD BE AWARE OF THE POTENTIAL OF DANGEROUS WEATHER THIS MORNING. MOVE TO THE BASEMENT OR AN INTERIOR ROOM IF SEVERE WEATHER APPROACHES. GEELHART
Special weather statement, Apr 15, 3:41 AM CDT, 25 minutes before
ILZ043-044-051>053-150945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 341 AM CDT FRI APR 15 1994 ...THUNDERSTORMS WERE QUICKLY DEVELOPING NORTHEAST OF SPRINGFIELD... AT 330 AM CDT...SPRINGFIELD RADAR SHOWED THUNDERSTORMS HAD DEVELOPED IN DE WITT COUNTY NEAR CLINTON...AND JUST NORTHEAST OF SPRINGFIELD. THESE STORMS WERE MOVING TO THE EAST AT 45 MPH. THE STORMS SHOULD MOVE THROUGH THE TOWNS OF FARMER CITY... DECATUR... A$ND ILLIOPOLIS BY 445 AM CDT. SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN. GEELHART
Special weather statement, Apr 15, 3:48 AM CDT, 18 minutes before
ILZ017-018-025>031-034>038-040-041-150950- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 347 AM CDT FRI APR 15 1994 ...TORNADO WATCH FOR ALL OF WEST CENTRAL ILLINOIS UNTIL 9 AM CDT... AT 350 AM CDT...A LINE OF THUNDERSTORMS AND SHOWERS WAS FROM 10 MILES EAST OF MOLINE EXTENDING SOUTHWEST TO JUST NORTH OF ST LOUIS. THE STRONGER STORMS WITHIN THE LINE WERE IN FULTON AND KNOX COUNTY. ANOTHER ISOLATED STRONG THUNDERSTORM WAS 15 MILES SOUTHEAST OF BLOOMINGTON NEAR LEROY. MOVEMENT OF THE STORMS WERE NORTHEAST AT 45 MPH. SEVERAL REPORTS OF PEA SIZE HAIL HAVE BEEN REPORTED WITH SOME OF THESE STORMS ALONG WITH BRIEF PERIODS OF GUSTY WINDS...HEAVY RAINFALL AND FREQUENT LIGHTNING. REMENBER...TORNADOES AND SEVERE THUNDERSTORMS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STUMETZ
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 11:34 PM CDT | Severe Thunderstorm Warning | ILX | Carroll, Stephenson | 41 min |
| Apr 15, 12:05 AM CDT | Severe Thunderstorm Warning | ILX | Winnebago | 27 min |
| Apr 15, 3:13 AM CDT | Severe Thunderstorm Warning | ILX | Carroll | 32 min |
| Apr 15, 3:37 AM CDT | Severe Thunderstorm Warning | ILX | Lee, Ogle | 53 min |
| Apr 15, 4:01 AM CDT | Severe Thunderstorm Warning | ILX | Winnebago | 34 min |
| Apr 15, 4:39 AM CDT | Severe Thunderstorm Warning | ILX | Piatt | 45 min |
| Apr 15, 4:39 AM CDT | Severe Thunderstorm Warning | ILX | Champaign | 46 min |
| Apr 15, 4:59 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 61 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.