Alert archive / Illinois / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 84, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Aug 8, 1994, 8:24 PM CDT for Douglas County, Illinois. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1994, 8:24 PM CDT (01:24 UTC)
- Expired
- Aug 8, 1994, 9:07 PM CDT
- In force
- 43 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Douglas County, IL
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 1.4 hours before the alert went out and 343 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
- 51 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1480 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KSPI 090131 RRA SVRSPI ILC041-045-023-029-090215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING ...CORRECTION... NATIONAL WEATHER SERVICE SPRINGFIELD IL 824 PM CDT MON AUG 8 1994 THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL ILLINOIS ...EASTERN DOUGLAS COUNTY...WESTERN EDGAR COUNTY ...NORTHWEST CLARK COUNTY...EASTERN COLES COUNTY AT 822 PM CDT...SPRINGFIELD RADAR SHOWED SEVERE THUNDERSTORMS ACROSS EASTERN DOUGLAS AND NORTHERN EDGAR COUNTIES...FROM 20 MILES SOUTH OF CHAMPAIGN TO 20 MILES SOUTH OF DANVILLE. THESE STORMS WERE MOVING TO THE SOUTH AT 15 MPH. RESIDENTS IN AND NEAR THE TOWNS OF ARCOLA... OAKLAND... BROCTON... BORTON... KANSAS... WESTFIELD...AND CHARLESTON SHOULD MOVE TO A REINFORCED SHELTER. THIS STORM IS CAPABLE OF PRODUCING LARGE HAIL AND VERY HEAVY RAIN. TAKE SHELTER IN A SUBSTANTIAL BUILDING. STAY AWAY FROM WINDOWS. LIGHTNING KILLS...SO STAY OFF OF TELEPHONES. REMEMBER...A SEVERE THUNDERSTORM MAY PRODUCE A TORNADO AT ANY TIME. $$ GEELHART (ADDED COLES COUNTY TO WARNING)
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, Aug 8, 5:42 PM CDT, 2 hours 42 minutes before
ILZ042>048-050>057-059>063-082335- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 540 PM CDT MON AUG 8 1994 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR CENTRAL AND EAST CENTRAL ILLINOIS UNTIL 10 PM CDT... A SEVERE THUNDERSTORM WATCH CONTINUES FOR ALL OF CENTRAL AND EAST CENTRAL ILLINOIS. THIS WATCH IS IN EFFECT UNTIL 10 PM THIS EVENING AND INCLUDES THE SPRINGFIELD...DECATUR...CHAMPAIGN/URBANA...DANVILLE...AND CHARLESTON AREAS. AT 530 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS FROM 15 MILES WEST OF CHAMPAIGN TO 25 MILES SOUTH OF DANVILLE. THE STRONGEST STORM WAS LOCATED 15 MILES WEST OF CHAMPAIGN NEAR MONTICELLO. THESE STORMS WERE MOVING TO THE EAST SOUTHEAST AT 15 MPH. A FEW SHOWERS HAD DEVELOPED OVER CENTRAL ILLINOIS AND WERE MOVING TO THE EAST SOUTHEAST AT 20 MPH. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING DOWNPOURS OF RAIN. STREETS MAY FLOOD QUICKLY. STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION. AUTEN
Special weather statement, Aug 8, 6:04 PM CDT, 2 hours 20 minutes before
ILZ057-082335- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 604 PM CDT MON AUG 8 1994 ...STRONG THUNDERSTORMS IN EDGAR COUNTY... AT 6 PM CDT...WEATHER RADAR SHOWED STRONG THUNDERSTORMS ABOUT 20 MILES NORTHWEST OF TERRE HAUTE...NEAR THE TOWN OF PARIS. THIS STORM IS CAPABLE OF PRODUCING FREQUENT LIGHTNING AND SMALL HAIL. VERY HEAVY RAIN WILL ALSO FALL OUT OF THIS STORM...AND LOCALIZED FLOODING IS POSSIBLE. THE STORM IS MOVING TO THE SOUTHEAST AT 20 MPH...AND WILL MOVE THROUGH THE RURAL AREAS OF SOUTHEAST EDGAR COUNTY THROUGH 630 PM. REMEMBER...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM CDT. REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER AND MOVE TO A REINFORCED SHELTER IF NECESSARY. GEELHART
Special weather statement, Aug 8, 8:06 PM CDT, 18 minutes before
ILZ045-046-055>057-063-090210- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 806 PM CDT MON AUG 8 1994 ...THE SEVERE THUNDERSTORM WATCH HAS BEEN TRIMMED... ...STRONG THUNDERSTORMS WERE ACROSS EAST CENTRAL ILLINOIS... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR CHAMPAIGN... VERMILION... AND PIATT COUNTIES. THE WATCH REMAINS IN EFFECT FOR THE REMAINDER OF EAST CENTRAL ILLINOIS...SOUTH OF CHAMPAIGN AND DANVILLE... UNTIL 10 PM CDT. AT 8 PM CDT...SPRINGFIELD RADAR SHOWED SHOWERS AND THUNDERSTORMS ACROSS EAST CENTRAL ILLINOIS. THE STRONGEST STORMS WERE LOCATED 20 MILES SOUTHWEST OF DANVILLE NEAR SIDELL... 15 MILES SOUTHEAST OF CHAMPAIGN NEAR VILLA GROVE...AND 25 MILES NORTHWEST OF TERRE HAUTE IN CENTRAL EDGAR COUNTY. THESE STORMS ARE MOVING TO THE SOUTH-SOUTHEAST AT 15 MPH. THE STORMS WILL MOVE THROUGH DOUGLAS...EDGAR...AND CLARK COUNTIES DURING THE NEXT HOUR...PRODUCING PEA- TO MARBLE-SIZE HAIL AND TORRENTIAL RAIN. RESIDENTS OF EAST CENTRAL ILLINOIS SHOULD REMAIN ALERT TO THE POSSIBILITY OF SEVERE WEATHER THIS EVENING AND SEEK SHELTER IF NECESSARY. GEELHART
Special weather statement, Aug 8, 8:07 PM CDT, 17 minutes before
ILZ045-046-055>057-063-090210- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 806 PM CDT MON AUG 8 1994 ...THE SEVERE THUNDERSTORM WATCH HAS BEEN TRIMMED... ...STRONG THUNDERSTORMS WERE ACROSS EAST CENTRAL ILLINOIS... THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR CHAMPAIGN... VERMILION... AND PIATT COUNTIES. THE WATCH REMAINS IN EFFECT FOR THE REMAINDER OF EAST CENTRAL ILLINOIS...SOUTH OF CHAMPAIGN AND DANVILLE... UNTIL 10 PM CDT. AT 8 PM CDT...SPRINGFIELD RADAR SHOWED SHOWERS AND THUNDERSTORMS ACROSS EAST CENTRAL ILLINOIS. THE STRONGEST STORMS WERE LOCATED 20 MILES SOUTHWEST OF DANVILLE NEAR SIDELL... 15 MILES SOUTHEAST OF CHAMPAIGN NEAR VILLA GROVE...AND 25 MILES NORTHWEST OF TERRE HAUTE IN CENTRAL EDGAR COUNTY. THESE STORMS ARE MOVING TO THE SOUTH-SOUTHEAST AT 15 MPH. THE STORMS WILL MOVE THROUGH DOUGLAS...EDGAR...AND CLARK COUNTIES DURING THE NEXT HOUR...PRODUCING PEA- TO MARBLE-SIZE HAIL AND TORRENTIAL RAIN. RESIDENTS OF EAST CENTRAL ILLINOIS SHOULD REMAIN ALERT TO THE POSSIBILITY OF SEVERE WEATHER THIS EVENING AND SEEK SHELTER IF NECESSARY. GEELHART
Special weather statement, Aug 8, 8:09 PM CDT, 15 minutes before
ILZ042-043-047-048-050>053-059>061-090210- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 809 PM CDT MON AUG 8 1994 ...THE SEVERE THUNDERSTORM WATCH HAS BEEN TRIMMED... THE FOLLOWING COUNTIES ARE NO LONGER IN THE SEVERE THUNDERSTORM WATCH: CASS...MENARD... MORGAN... SANGAMON... LOGAN... DE WITT... AND MACON. AREAS TO THE SOUTH OF A JACKSONVILLE-SPRINGFIELD-DECATUR LINE REMAIN UNDER A SEVERE THUNDERSTORM WATCH UNTIL 10 PM CDT. GEELHART
Special weather statement, Aug 8, 8:10 PM CDT, 14 minutes before
ILZ042-043-047-048-050>053-059>061-090210- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 809 PM CDT MON AUG 8 1994 ...THE SEVERE THUNDERSTORM WATCH HAS BEEN TRIMMED... THE FOLLOWING COUNTIES ARE NO LONGER IN THE SEVERE THUNDERSTORM WATCH: CASS...MENARD... MORGAN... SANGAMON... LOGAN... DE WITT... AND MACON. AREAS TO THE SOUTH OF A JACKSONVILLE-SPRINGFIELD-DECATUR LINE REMAIN UNDER A SEVERE THUNDERSTORM WATCH UNTIL 10 PM CDT. GEELHART
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 7:36 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Moultrie, Shelby | 39 min |
| Aug 8, 8:24 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Edgar | 51 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.