Alert archive / Illinois / Flash Flood Warnings in 1993
Flash Flood Warning 24, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 2, 1993, 6:20 PM CDT for Marion County, Illinois. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1993, 6:20 PM CDT (23:20 UTC)
- Expired
- Jul 2, 1993, 9:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Marion County, IL
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 12:00Z, 11.3 hours before the alert went out and 177 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
- 1276 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 865 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 95 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 022324 FFWSTL ILC121-030215- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 620 PM CDT FRI JUL 2 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ILLINOIS ...SOUTHERN MARION COUNTY AT 615 PM...NWS DOPPLER RADAR SHOWED A LINE OF STRONG STORMS MOVING EAST OVER THE SOUTHERN HALF OF MARION COUNTY...CENTERED ABOUT 15 MILES NORTH OF MT VERNOON. THESE STORMS WERE MOVING EAST AT 20 MPH AND PRODUCING VERY HEAVY RAIN. RADAR SHOWED POSSIBLE RAINFALL AMOUNTS OF 1 TO 1.5 INCHES OF RAIN SINCE ABOUT 500 PM. ADDITIONAL RAINFALL OF 1 TO 2 INCHES REMAINED POSSIBLE BEFORE 830 PM. 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 QUICKLY. MOVE TO HIGHER GROUND. NOTE...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MARION COUNTY CONTINUES UNTIL 630 PM. RP/JP
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 2, 5:05 PM CDT, 1 hour 15 minutes before
MOZALL-022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 505 PM CDT FRI JUL 2 1993 ...SEVERE THUNDERSTORM WATCH NUMBER 573 HAS BEEN ISSUED FOR MOST OF CENTRAL MISSOURI UNTIL 11 PM... AT 500 PM...NWS DOPPLER RADAR AND SURFACE OBSERVATION INDICATED RAPID DEVELOPMENT OF THUNDERSTORMS OVER PARTS OF CENTRAL MISSOURI. THEREFORE A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MOST OF CENTRAL MISSOUIR FROM KANSAS CITY TO ST. LOUIS. THIS WATCH IS IN EFFECT UNTIL 11 PM THIS EVENING AND INCLUDES THE CITIES OF KANSAS CITY...ST. LOUIS...COLUMBIA...ROLLA...AND SPRINGFIELD. STAY TUNED TO NOAA WEATHER RADAR OR LOCAL TV BROADCASTS FOR LATER STATEMENTS. GOETSCH
Special weather statement, Jul 2, 5:08 PM CDT, 1 hour 12 minutes before
MOZALL-022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 505 PM CDT FRI JUL 2 1993 ...SEVERE THUNDERSTORM WATCH NUMBER 573 HAS BEEN ISSUED FOR MOST OF CENTRAL MISSOURI UNTIL 11 PM... AT 500 PM...NWS DOPPLER RADAR AND SURFACE OBSERVATION INDICATED RAPID DEVELOPMENT OF THUNDERSTORMS OVER PARTS OF CENTRAL MISSOURI. THEREFORE A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MOST OF CENTRAL MISSOUIR FROM KANSAS CITY TO ST. LOUIS.B THIS WATCH IS IN EFFECT UNTIL 11 PM THIS EVENING AND INCLUDES THE CITIES OF KANSAS CITY...ST. LOUIS...COLUMBIA...ROLLA...AND SPRINGFIELD. STAY TUNED TO NOAA WEATHER RADAR OR LOCAL TV BROADCASTS FOR LATER STATEMENTS. GOETSCH
Special weather statement, Jul 2, 5:33 PM CDT, 47 minutes before
ILZ011-012-013-022330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 533 PM CDT FRI JUL 2 1993 AT 530 PM CDT...NWS DOPPLER RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS DEVELOPING OVER PARTS OF SOUTH CENTRAL ILLINOIS. THE AREA OF STORMS EXTENDED FROM 10 MILES EAST OF ST. LOUIS TO SALEM ILLNOIS...OR ABOUT 15 MILES NORTH OF MOUNT VERNON. THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR SALEM ILLINOIS...AND SOUTHEAST MADISON COUNTY...NEAR THE TOWN OF HIGHLAND. MANY OF THESE STORMS ARE CAPABLE OF PRODUCING STRONG AND GUSTY SURFACE WINDS...HAIL...AND HEAVY DOWNPOURS. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 20 MILES AN HOUR. RP
Special weather statement, Jul 2, 5:36 PM CDT, 44 minutes before
ILZ011-012-013-022330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 533 PM CDT FRI JUL 2 1993 AT 530 PM CDT...NWS DOPPLER RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS DEVELOPING OVER PARTS OF SOUTH CENTRAL ILLINOIS. THE AREA OF STORMS EXTENDED FROM 10 MILES EAST OF ST. LOUIS TO SALEM ILLNOIS...OR ABOUT 15 MILES NORTH OF MOUNT VERNON. THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR SALEM ILLINOIS...AND SOUTHEAST MADISON COU4NTY...NEAR THE TOWN OF HIGHLAND. MANY OF THESE STORMS ARE CAPABLE OF PRODUCING STRONG AND GUSTY SURFACE WINDS...HAIL...AND HEAVY DOWNPOURS. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 20 MILES AN HOUR. RP
Special weather statement, Jul 2, 5:50 PM CDT, 30 minutes before
MOZ-013-014-022345-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
550 PM CDT FRI JUL 2 1993
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 11PM CDT...
... A FLASH FLOOD WATCH IS IN EFFECT TONIGHT...
AT 550 PM STRONG THUNDERSTORMS EXTENDED FROM NEAR ROLLA WEST THROUGH
THE LAKE OF THE OZARKS TO 35 MILES SOUTH OF SEDALIA. THE THUNDERSTORMS
WERE MOVING TO THE EAST AT 20 MPH AND WERE PRODUCING HEAVY RAIN. THE
STRONGEST STORM WAS LOCATED 40 MILES WEST OF ROLLA OR ABOUT 10 MILES
EAST OF LINN AND WAS CAPABLE OF PRODUCING BRIEF GUSTY WINDS AND SMALL
HAIL.
FLASH FLOODING IS POSSIBLE WITH THESE STORMS. IF FLOODING THREATENS...
FIRST SEEK HIGHER GROUND THEN REPORT THE FLOODING TO THE NEAREST
LAW ENFORCEMENT AGENCY.
KENNEDY
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COZ005-030400-Special weather statement, Jul 2, 5:53 PM CDT, 27 minutes before
MOZ-013-014-022345-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
550 PM CDT FRI JUL 2 1993
...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 11PM CDT...
... A FLASH FLOOD WATCH IS IN EFFECT TONIGHT...
AT 550 PM STRONG THUNDERSTORMS EXTENDED FROM NEAR ROLLA WEST THROUGH
THE LAKE OF THE OZARKS TO 35 MILES SOUTH OF SEDALIA. THE THUNDERSTORMS
WERE MOVING TO THE EAST AT 20 MPH AND WERE PRODUCING HEAVY RAIN. THE
STRONGEST STORM WAS LOCATED 40 MILES WEST OF ROLLA OR ABOUT 10 MILES
EAST OF LINN AND WAS CAPABLE OF PRODUCING BRIEF GUSTY WINDS AND SMALL
HAIL.
FLASH FLOODING IS POSSIBLE WITH THESE STORMS. IF FLOODING THREATENS...
FIRST SEEK HIGHER GROUND THEN REPORT THE FLOODING TO THE NEAREST
LAW ENFORCEMENT AGENCY.
KENNEDYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 5:52 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 38 min |
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.