Alert archive / Illinois / Flash Flood Warnings in 1993
Flash Flood Warning 42, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 16, 1993, 4:46 AM CDT for Clinton County, Marion County, Illinois. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 16, 1993, 4:46 AM CDT (09:46 UTC)
- Expired
- Jul 16, 1993, 7:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Clinton County, IL, Marion County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 9.8 hours before the alert went out and 178 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
- 1616 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1209 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 64 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 KSTL 160947 FFWSTL ILC027-121-161245- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 446 AM CDT FRI JUL 16 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 745 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL ILLINOIS ...CLINTON COUNTY...MARION COUNTY AT 440 AM...RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDING FROM ABOUT 20 MILES SOUTH OF EFFINGHAM ILLINOIS TO JUST SOUTHEAST OF ST LOUIS. MOVEMENT WAS EAST AT 25 MILES AN HOUR...WITH SEVERAL AREAS OF HEAVY RAIN PASSING OVER CLINTON AND MARION COUNTIES. COUNTY OFFICIALS IN MARION COUNTY HAVE REPORTED FLASH FLOODING WITH SEVERAL ROADS CLOSED. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QU^ICKLY. MOVE TO HIGHER GROUND. SHEA &
What forecasters said that day
The local office's own words before this flash flood 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, Jul 16, 1:40 AM CDT, 3 hours 6 minutes before
MOZ011-012-017-018-ILZ011-012-160800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 140 AM CDT FRI JUL 16 1993 ...THUNDERSTORMS ARE INCREASING NEAR THE ST LOUIS METRO AREA... AT 140 AM...RADAR DETECTED AN NARROW LINE OF SCATTERED THUNDERSTORMS FROM WESTERN FRANKLIN COUNTY...ABOUT 60 MILES WEST SOUTHWEST OF ST LOUIS...EASTWARD THROUGH NORTHERN JEFFERSON COUNTY TO A POINT ABOUT 60 MILES EAST SOUTHEAST OF ST LOUIS IN WASHINGTON COUNTY ILLINOIS. THE HEAVIEST ACTIVITY WAS LOCATED TO THE EAST OF ST LOUIS IN WASHINGTON ...MARION...AND JEFFERSON COUNTIES IN SOUTHERN ILLINOIS. PERSONS IN MONROE AND ST CLAIR COUNTIES IN ILLINOIS CAN ALSO EXPECT SOME HEAVY DOWNPOURS AT TIMES. THESE STORMS ARE LIFTING SLOWLY NORTHEAST. SOME OF THE ILLINOIS COUNTIES CAN EXPECT UP TO AN INCH OF RAIN IN A SHORT PERIOD OF TIME IN THE HEAVIER STORMS. . FOR THE ST LOUIS METRO AREA...SCATTERED THUNDERSTORMS WILL APPARENTLY LIFT NORTHEAST INTO SOUTH ST LOUIS COUNTY AND INTO THE BELLEVILLE AREA BY 3 AM. BRIEF HEAVY DOWNPOURS ARE POSSIBLE...HOWEVER THERE IS NO IMMEDIATE THREAT FOR HEAVY RAINS...LIKE THAT OF YESTERDAY AFTERNOON. PEDIGO
Special weather statement, Jul 16, 1:53 AM CDT, 2 hours 53 minutes before
MOZ017-018-160300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 140 AM CDT FRI JUL 16 1993 ...THUNDERSTORMS ARE INCREASING NEAR THE ST LOUIS METRO AREA... AT 140 AM...RADAR DETECTED AN NARROW LINE OF SCATTERED THUNDERSTORMS FROM WESTERN FRANKLIN COUNTY...ABOUT 60 MILES WEST SOUTHWEST OF ST LOUIS...EASTWARD THROUGH NORTHERN JEFFERSON COUNTY TO A POINT ABOUT 60 MILES EAST SOUTHEAST OF ST LOUIS IN WASHINGTON COUNTY ILLINOIS. THE HEAVIEST ACTIVITY WAS LOCATED TO THE EAST OF ST LOUIS IN WASHINGTON ...MARION...AND JEFFERSON COUNTIES IN SOUTHERN ILLINOIS. PERSONS IN MONROE AND ST CLAIR COUNTIES IN ILLINOIS CAN ALSO EXPECT SOME HEAVY DOWNPOURS AT TIMES. THESE STORMS ARE LIFTING SLOWLY NORTHEAST. SOME OF THE ILLINOIS COUNTIES CAN EXPECT UP TO AN INCH OF RAIN IN A SHORT PERIOD OF TIME IN THE HEAVIER STORMS. . FOR THE ST LOUIS METRO AREA...SCATTERED THUNDERSTORMS WILL APPARENTLY LIFT NORTHEAST INTO SOUTH ST LOUIS COUNTY AND INTO THE BELLEVILLE AREA BY 3 AM. BRIEF HEAVY DOWNPOURS ARE POSSIBLE...HOWEVER THERE IS NO IMMEDIATE THREAT FOR HEAVY RAINS...LIKE THAT OF YESTERDAY AFTERNOON. PEDIGO
Special weather statement, Jul 16, 1:56 AM CDT, 2 hours 50 minutes before
MOZ011-012-017-018-ILZ011-012-160800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 140 AM CDT FRI JUL 16 1993 ...THUNDERSTORMS ARE INCREASING NEAR THE ST LOUIS METRO AREA... AT 140 AM...RADAR DETECTED AN NARROW LINE OF SCATTERED THUNDERSTORMS FROM WESTERN FRANKLIN COUNTY...ABOUT 60 MILES WEST SOUTHWEST OF ST LOUIS...EASTWARD THROUGH NORTHERN JEFFERSON COUNTY TO A POINT ABOUT 60 MILES EAST SOUTHEAST OF ST LOUIS IN WASHINGTON COUNTY ILLINOIS. THE HEAVIEST ACTIVITY WAS LOCATED TO THE EAST OF ST LOUIS IN WASHINGTON ...MARION...AND JEFFERSON COUNTIES IN SOUTHERN ILLINOIS. PERSONS IN MONROE AND ST CLAIR COUNTIES IN ILLINOIS CAN ALSO EXPECT SOME HEAVY DOWNPOURS AT TIMES. THESE STORMS ARE LIFTING SLOWLY NORTHEAST. SOME OF THE ILLINOIS COUNTIES CAN EXPECT UP TO AN INCH OF RAIN IN A SHORT PERIOD OF TIME IN THE HEAVIER STORMS. . FOR THE ST LOUIS METRO AREA...SCATTERED THUNDERSTORMS WILL APPARENTLY LIFT NORTHEAST INTO SOUTH ST LOUIS COUNTY AND INTO THE BELLEVILLE AREA BY 3 AM. BRIEF HEAVY DOWNPOURS ARE POSSIBLE...HOWEVER THERE IS NO IMMEDIATE THREAT FOR HEAVY RAINS...LIKE THAT OF YESTERDAY AFTERNOON. PEDIGO
Nearby
Flash Flood Warnings in Illinois, 1993Every flash flood 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.