Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 13, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at Jun 4, 1993, 5:25 AM CDT for Macon County, Shelby County, Illinois. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Jun 4, 1993, 5:25 AM CDT (10:25 UTC)
- Expired
- Jun 4, 1993, 6:06 AM CDT
- In force
- 41 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
Counties Macon County, IL, Shelby County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 10.4 hours before the alert went out and 285 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
- 1048 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 1240 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 232 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSPI 041025 RRA
SVRSPI
ILC115-173-041130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
525 AM CDT FRI JUN 4 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 630 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF ILLINOIS
SOUTHERN MACON...NORTHERN SHELBY
AT 521 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
EXTENDING FROM 5 MILES SOUTHWEST OF DECATUR...TO 25 MILES SOUTHWEST
OF DECATUR.
THE LINE OF STORMS WAS MOVING EAST AT 30 MPH.
THE TOWNS OF MACON...MT. ZION...MOWEAUQUA AND SHELBYVILLE ARE IN
THE PATH OF THIS LINE OF SEVERE STORMS.
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.
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, Jun 4, 1:43 AM CDT, 3 hours 42 minutes before
ILZ009-040745 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1 42 AM CDT FRI JUN 4 1993 ...SEVERE THUNDERSTORM WATCH FOR MOST OF CENTRAL ILLINOIS UNTIL 700 AM CDT... AT 140 AM CDT...SCATTERED THUNDERSTORMS WERE MOVING INTO CENTRAL ILLINOIS...AND EXTENDED ALONG AND WEST OF A LINE FROM 35 MILES NORTHWEST OF SPRINGFIELD TO ST. LOUIS. THE STRONGEST STORMS WERE LOCATED 40 MILES WEST OF SPRINGFIELD...JUST NORTH OF MEREDOSIA...AND 45 MILES SOUTHWEST OF SPRINGFIELD...OR ABOUT 18 MILES WEST OF CARLINVILLE. MOVEMENT WAS EAST AT 25 MPH. NONE OF THESE STORMS WERE SEVERE. HOWEVER...DEADLY LIGHTNING...STRONG GUSTY WINDS...BRIEF HEAVY RAIN...AND POSSIBLY SOME SMALL HAIL CAN BE EXPECTED WITH THE HEAVIER STORMS. THE AREA OF THUNDERSTORMS SHOULD REACH JACKSONVILLE AND CARLINVILLE AROUND 2 AM...AND SHOULD MOVE INTO THE SPRINGFIELD AREA BETWEEN 230 AND 300 AM. STAY TUNED TO TV...RADIO...OR NOAA WEATHER RADIO FOR ADDITIONVAL STATEMENTS AND POSSIBLE WARNINGS. MCCOY
Special weather statement, Jun 4, 2:59 AM CDT, 2 hours 26 minutes before
ILZ009-040900 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 2 58 AM CDT FRI JUN 4 1993 ...SEVERE THUNDERSTORM WATCH FOR MOST OF CENTRAL ILLINOIS UNTIL 700 AM CDT... AT 250 AM CDT...SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER MOST OF CENTRAL ILLINOIS ALONG AND WEST OF A LINE FROM 30 MILES NORTHEAST OF SPRINGFIELD...TO 25 MILES SOUTHEAST OF SPRINGFIELD NEAR MORRISONVILLE. THE STRONGEST STORMS WERE LOCATED ABOUT 10 MILES WEST OF SPRINGFIELD ...AND 20 TO 25 MILES SOUTH OF SPRINFIELD BETWEEN AUBURN AND GIRARD. MOVEMENT WAS TO THE EAST AT 30 MPH. SEVERAL OF THESE STORMS ARE PRODUCING HEAVY DOWNPOURS...AND MOTORISTS SHOULD EXPECT TEMPORARY FLOODING OF SOME ROADWAYS AND UNDERPASSES IN LOW LYING AREAS. DEADLY LIGHTNING AND GUSTY WINDS CAN ALSO BE EXPECTED WITH THESE STORMS. HEAVY THUNDERSTORMS SHOULD MOVE THROUGH THE SPRINGFIELD AREA BETWEEN 3 AND 4 AM. CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE WEATHER... SO STAY TUNED TO TV...RADIO...OR NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. MCCOY
Special weather statement, Jun 4, 3:20 AM CDT, 2 hours 5 minutes before
ILZ005>007-009-040900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 320 AM CDT FRI JUN 04 1993 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR A PORTION OF WEST CENTRAL ILLINOIS... AT 315 AM CDT... SHOWERS AND THUNDERSTORMS WERE OCCURRING TO THE SOUTH OF A LINE FROM BURLINGTON TO PEORIA. THE HEAVIEST PRECIPITATION WAS DETECTED AROUND BLANDINSVILLE AND MACOMB...30 MILES SOUTHEAST OF BURLINGTON. MOVEMENT OF THE SHOWERS AND STORMS CONTINUED TO BE TO THE EAST NORTHEAST AT 30 MPH. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED ACROSS THE REGION...SOME OF THESE STORMS WILL PRODUCE BRIEF HEAVY RAINFALL AND DEADLY LIGHTNING. CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE WEATHER OVER HANCOCK...MCDONOUGH...FULTON...MASON AND SCHUYLER COUNTIES UNTIL 7 AM. PERSONS IN THE AFFECTED AREA SHOULD STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. BREESER
Special weather statement, Jun 4, 3:21 AM CDT, 2 hours 4 minutes before
ILZ005>007-009-040900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 320 AM CDT FRI JUN 04 1993 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR A PORTION OF WEST CENTRAL ILLINOIS... AT 315 AM CDT... SHOWERS AND THUNDERSTORMS WERE OCCURRING TO THE SOUTH OF A LINE FROM BURLINGTON TO PEORIA. THE HEAVIEST PRECIPITATION WAS DETECTED AROUND BLANDINSVILLE AND MACOMB...30 MILES SOUTHEAST OF BURLINGTON. MOVEMENT OF THE SHOWERS AND STORMS CONTINUED TO BE TO THE EAST NORTHEAST AT 30 MPH. ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED ACROSS THE REGION...SOME OF THESE STORMS WILL PRODUCE BRIEF HEAVY RAINFALL AND DEADLY LIGHTNING. CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE WEATHER OVER HANCOCK...MCDONOUGH...FULTON...MASON AND SCHUYLER COUNTIES UNTIL 7 AM. PERSONS IN THE AFFECTED AREA SHOULD STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. BREESER
Special weather statement, Jun 4, 4:40 AM CDT, 45 minutes before
ILZ005>007-009-041030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 440 AM CDT FRI JUN 04 1993 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR HANCOCK...MCDONOUGH...FULTON AND SCHYLER COUNTIES BUT REMAINS FOR MASON COUNTY. AT 435 AM CDT... SHOWERS AND THUNDERSTORMS CONTINUED GENERALLY SOUTH OF A LINE FROM BURLINGTON TO EXTREME NORTHERN PEORIA COUNTY TO BLOOMINGTON. ALL OF THE SHOWERS AND STORMS CONTINUED TO MOVE TO THE EAST NORTHEAST AT 30 MPH. WHILE THE THREAT OF SEVERE WEATHER HAS PASSED FOR MUCH OF WEST CENTRAL ILLINOIS...THE SEVERE THUNDERSTORM WATCH REMAINS ON EFFECT FOR MASON COUNTY UNTIL 7 AM THIS MORNING. PERSONS IN MASON COUNTY SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TV STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS. BREESER
Special weather statement, Jun 4, 4:44 AM CDT, 41 minutes before
ILZ005>007-009-041030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 440 AM CDT FRI JUN 04 1993 ...SEVERE THUNDERSTORM WATCH CANCELLED FOR HANCOCK...MCDONOUGH...FULTON AND SCHYLER COUNTIES BUT REMAINS FOR MASON COUNTY. AT 435 AM CDT... SHOWERS AND THUNDERSTORMS CONTINUED GENERALLY SOUTH OF A LINE FROM BURLINGTON TO EXTREME NORTHERN PEORIA COUNTY TO BLOOMINGTON. ALL OF THE SHOWERS AND STORMS CONTINUED TO MOVE TO THE EAST NORTHEAST AT 30 MPH. WHILE THE THREAT OF SEVERE WEATHER HAS PASSED FOR MUCH OF WEST CENTRAL ILLINOIS...THE SEVERE THUNDERSTORM WATCH REMAINS ON EFFECT FOR MASON COUNTY UNTIL 7 AM THIS MORNING. PERSONS IN MASON COUNTY SHOULD REMAIN ALERT TO RAPIDLY CHANGINlG WEATHER CONDITIONS AND STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TV STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS. BREESER
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 4:15 AM CDT | Severe Thunderstorm Warning | ILX | Shelby | 30 min |
| Jun 4, 6:38 AM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas, Edgar | 67 min |
| Jun 4, 7:05 AM CDT | Severe Thunderstorm Warning | ILX | Clark | 40 min |
| Jun 4, 7:22 AM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland, Moultrie | 68 min |
| Jun 4, 7:29 AM CDT | Tornado Warning | ILX | Moultrie, Shelby | 31 min |
| Jun 4, 7:49 AM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Cumberland, Edgar | 41 min |
| Jun 4, 8:08 AM CDT | Severe Thunderstorm Warning | ILX | Clark | 52 min |
| Jun 4, 4:15 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Piatt | 30 min |
| Jun 4, 4:47 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 28 min |
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.