Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 22, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Apr 26, 1994, 8:51 PM CDT for Macoupin County, Montgomery County, Illinois. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1994, 8:51 PM CDT (01:51 UTC)
- Expired
- Apr 26, 1994, 9:52 PM CDT
- In force
- 61 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Macoupin County, IL, Montgomery County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 1.9 hours before the alert went out and 257 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 KSPI 270151
SVRSPI
ILC117-135-270300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
851 PM CDT TUE APR 26 1994
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF ILLINOIS
MACOUPIN...WESTERN MONTGOMERY
AT 846 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM
PALMYRA...35 MILES SOUTH OF SPRINGFIELD...TO BRIGHTON...55 MILES
SOUTHWEST OF SPRINGFIELD.
THE MACOUPIN COUNTY SHERIFFS DEPARTMENT REPORTED 1/2 INCH HAIL AT
MEDORA AROUND 830 PM.
THE STORMS WERE MOVING EAST NORTHEAST AT 30 MILES AN HOUR.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS 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
AND STAY AWAY FROM WINDOWS.
MCCOYWhat 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, 4:17 PM CDT, 4 hours 34 minutes before
ILZ029-031-037-261720- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 1115 AM CDT TUE APR 26 1994 ...THUNDERSTORMS DEVELOPING OVER CENTRAL ILLINOIS... AROUND 415 PM...SEVERAL THUNDERSTORMS HAD DEVELOPED OVER CENTRAL WOODFORD COUNTY AND NORTHERN PEORIA COUNTY. THE STRONGEST THUNDERSTORM WAS OVER ROANOKE IN CENTRAL WOODFORD COUNTY. SMALL HAIL...GUSTY WINDS AND HEAVY RAINS CAN BE EXPECTED AS THE STORMS MOVE TO THE NORTHEAST AT 50 MPH. SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED ACROSS THE REGION THROUGH THE REMAINDER OF THE AFTERNOON AND INTO EARLY EVENING. THE THREAT OF RAINFALL WILL THEN BE ENDING AROUND MID EVENING. BREESER
Special weather statement, Apr 26, 4:23 PM CDT, 4 hours 28 minutes before
ILZ029-031-037-262230- SPECIAL WEATHER STATEMENT...CORRECTION.. NATIONAL WEATHER SERVICE PEORIA IL 420 PM CDT TUE APR 26 1994 ...THUNDERSTORMS DEVELOPING OVER CENTRAL ILLINOIS... AROUND 415 PM...SEVERAL THUNDERSTORMS HAD DEVELOPED OVER CENTRAL WOODFORD COUNTY AND NORTHERN PEORIA COUNTY. THE STRONGEST THUNDERSTORM WAS OVER ROANOKE IN CENTRAL WOODFORD COUNTY. SMALL HAIL...GUSTY WINDS AND HEAVY RAINS CAN BE EXPECTED AS THE STORMS MOVE TO THE NORTHEAST AT 50 MPH. SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED ACROSS THE REGION THROUGH THE REMAINDER OF THE AFTERNOON AND INTO EARLY EVENING. THE THREAT OF RAINFALL WILL THEN BE ENDING AROUND MID EVENING. BREESER
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 7:01 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 44 min |
| Apr 26, 7:18 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell, Woodford | 42 min |
| Apr 26, 7:21 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 54 min |
| Apr 26, 7:45 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 30 min |
| Apr 26, 7:52 PM CDT | Tornado Warning | ILX | Macon, Shelby | 38 min |
| Apr 26, 8:28 PM CDT | Tornado Warning | ILX | Christian | 19 min |
| Apr 26, 8:28 PM CDT | Tornado Warning | ILX | Macon, Moultrie, Shelby | 47 min |
| Apr 26, 9:04 PM CDT | Tornado Warning | ILX | McLean | 41 min |
| Apr 26, 9:08 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas, Moultrie | 52 min |
| Apr 26, 9:34 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Sangamon | 41 min |
| Apr 26, 9:37 PM CDT | Tornado Warning | ILX | Douglas | 38 min |
| Apr 26, 10:11 PM CDT | Tornado Warning | ILX | Champaign, Piatt | 44 min |
| Apr 26, 10:11 PM CDT | Tornado Warning | ILX | DeWitt | 44 min |
| Apr 26, 10:11 PM CDT | Tornado Warning | ILX | Montgomery | 34 min |
| Apr 26, 10:25 PM CDT | Severe Thunderstorm Warning | ILX | Edgar, Vermilion | 30 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.