Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 4, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 6, 1993, 3:04 PM CDT for Montgomery County, Illinois. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- May 6, 1993, 3:04 PM CDT (20:04 UTC)
- Expired
- May 6, 1993, 3:47 PM CDT
- In force
- 43 min
- Issued by
- NWS Lincoln, IL
- Area
- Whole counties
County Montgomery County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 8.1 hours before the alert went out and 250 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
- 460 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 1210 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 48 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 062004 RRA
SVRSPI
ILC135-062100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD IL
304 PM CDT THU MAY 6 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE CENTRAL PART OF ILLINOIS
WESTERN MONTGOMERY
AT 2 52 PM CST WEATHER RADAR INDICATED A SEVERE THUNDERSTORM
35 MILES SOUTH OF SPRINGFIELD IN WEST CENTRAL MONTGOMERY COUNTY.
THE STORM IS LOCATED 35 MILES SOUTH OF SPRINGFIELD. THE CITIES
OF RAYMOND AND HARVEL ARE IN THE PATH OF THIS STORM.
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.
THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS AND
UNDERPASSES. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
SKIPPERWhat 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, May 6, 9:15 AM CDT, 5 hours 49 minutes before
ILZ005-006-007-009-061530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 915 AM CDT THU MAY 6 1993 ...THUNDERSTORMS AND SHOWERS WERE OVER WEST CENTRAL ILLINOIS... AT 915 AM...AN AREA OF SHOWERS AND THUNDERSTORMS WAS FROM BRADFORD DOWN TO CANTON. THE STRONGEST STORM WAS OVER CANTON. HEAVY RAIN AND FREQUENT LIGHTNING WAS REPORTED WITH THIS STORM. OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER WEST CENTRAL ILLINOIS MAINLY ALONG THE MISSISSIPPI RIVER BACK INTO NORTHEAST MISSOURI AND SOUTHEASTERN IOWA. MOVEMENT WAS EAST AT 10 MPH. THE STORMS JUST WEST OF PEORIA ARE EXPECTED TO MOVE INTO THE CITY OF PEORIA NEAR 930 AM. BRIEF PERIODS OF HEAVY RAINFALL...FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL MAY ACCOMPANIY THE STRONGER STORMS. STUMETZ
Special weather statement, May 6, 9:16 AM CDT, 5 hours 48 minutes before
ILZ005-006-007-009-061530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PEORIA IL 915 AM CDT THU MAY 6 1993 ...THUNDERSTORMS AND SHOWERS WERE OVER WEST CENTRAL ILLINOIS... AT 915 AM...AN AREA OF SHOWERS AND THUNDERSTORMS WAS FROM BRADFORD DOWN TO CANTON. THE STRONGEST STORM WAS OVER CANTON. HEAVY RAIN AND FREQUENT LIGHTNING WAS REPORTED WITH THIS STORM. OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER WEST CENTRAL ILLINOIS MAINLY ALONG THE MISSISSIPPI RIVER BACK INTO NORTHEAST MISSOURI AND SOUTHEASTERN IOWA. MOVEMENT WAS EAST AT 10 MPH. THE STORMS JUST WEST OF PEORIA ARE EXPECTED TO MOVE INTO THE CITY OF PEORIA NEAR 930 AM. BRIEF PERIODS OF HEAVY RAINFALL...FREQUENT LIGHTNING. AND POSSIBLE SMALL HAIL MAY ACCOMPANIY THE STRONGER STORMS. STUMETZ
Special weather statement, May 6, 10:48 AM CDT, 4 hours 16 minutes before
ILZ009-061630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1045 AM CDT THU MAY 6 1993 ...THUNDERSTORMS DEVELOPING RAPIDLY OVER CENTRAL ILLINOIS... AT 1040 CDT...WEATHER RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS WEST OF A LINE EXTENDING FROM PEORIA TO SPRINGFIELD TO ST LOUIS. THE STRONGEST STORMS WERE LOCATED IN MORGAN COUNTY NEAR THE CITY OF JACKSONVILLE...OR ABOUT 25 MILES WEST OF SPRINGFIELD. THE STORMS WILL CONTINUE TO MOVE EAST AT 10 TO 15 MPH. EXPECT DEADLY LIGHTNING...HEAVY RAIN...AND SMALL HAIL FROM THESE STORMS. SKIPPER
Special weather statement, May 6, 1:08 PM CDT, 1 hour 56 minutes before
ILZ009-061630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 1 05 PM CDT THU MAY 6 1993 ...THUNDERSTORMS NEARLY STATIONARY ACROSS PARTS OF CENTRAL ILLINOIS... AT 1 05 PM CDT...WEATHER RADAR INDICATED AN AREA OF SHOWERS AND THUNDERSTORMS WEST OF A LINE EXTENDING FROM 30 MILES SOUTHWEST OF PEORIA TO 10 MILES SOUTHEAST OF SPRINGFIELD. SEVERAL STRONG STORMS WERE LOCATED IN EXTREME SOUTHEAST MORGAN COUNTY...OR ABOUT 25 MILES SOUYTHWEST OF SPRINGFIELD. THE STORMS WERE MOVING SLOWLY EAST AROUND 5 MPH. EXPECT DEADLY LIGHTNING...HEAVY RAIN...AND SMALL HAIL FROM THESE STORMS. SKIPPER
Special weather statement, May 6, 2:20 PM CDT, 44 minutes before
ILZ009-062000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD IL 215 PM CDT THU MAY 6 1993 ...THUNDERSTORMS CONTINUE OVER PARTS OF CENTRAL ILLINOIS... AT 2 14 PM CDT...WEATHER RADAR INDICATED AN AREA OF THUNDERSTORMS EXTENDING SOUTHWEST OF A LINE FROM 35 MILES NORTHWEST OF SPRINGFIELD TO 5 MILES EAST OF SPRINGFIELD TO 45 MILES SOUTHWEST OF SPRINGFIELD. THE STRONGEST STORMS WERE IN A CLUSTER IN NORTH CENTRAL MACOUPIN COUNTY...OR ABOUT 40 MILES SOUTHWEST OF SPRINGFIELD. THESE STORMS HAVE BEEN MOVING EAST VERY SLOWLY...ABOUT 5 MPH AND THE STORMS WILL PRODUCE DEADLY LIGHTNING...HEAVY RAIN AND POSSIBLY SOME SMALL HAIL. SKIPPER
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 3:34 PM CDT | Flash Flood Warning | ILX | Macoupin, Morgan | 3 hr |
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.