Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 34, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 8, 1993, 12:23 AM CDT for Saint Charles County, Missouri. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 8, 1993, 12:23 AM CDT (05:23 UTC)
- Expired
- Jul 8, 1993, 7:30 AM CDT
- In force
- 7 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Saint Charles County, MO
The nearest sounding before it
Paducah/Barkley, KY (KPAH), launched 00:00Z, 5.4 hours before the alert went out and 257 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
- 1227 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1645 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 080525 FFWSTL MOC183-081230- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1223 AM CDT THU JUL 8 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 730 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...NORTHERN ST CHARLES COUNTY THE NATIONAL WEATHER SERVICE HAS BEEN ADVISED BY THE ST. CHARLES COUNTY EMERGENCY MANAGEMENT AGENCY THAT A MAJOR BREACH OF THE MACHENS LEVEE SYSTEM HAS OCCURRED AT 1140 PM WEDNESDAY EVENING. THIS BREACH WILL CAUSE RAPID FLOODING IN THE WEST ALTON, MISSOURI AREA. ALL RESIDENTS OF WEST ALTON HAVE BEEN ORDERED TO EVACUATE THE AREA IMMEDIATELY! REPRESENTATIVES OF THE UNITED STATES COAST GUARD, THE AIR NATIONAL GUARD, THE MISSOURI WATER PATROL, AND THE ST. CHARLES COUNTY EMERGENCY MANAGEMENT AGENCY HAVE MADE THEMSELVES AVAILABLE TO ASSIST ANY RESIDENTS. ALL RESIDENTS ARE DIRECTED TO EVACUATE BY MEANS OF HIGHWAY 94 TO HIGHWAY 67 ONLY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER IS FLOWING OVER THE ROADWAYS. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. BE ESPECIALLY CAUTIOUS AT NIGHT wWHEN 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. PEDIGO &
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
Local storm report, Jul 7, 6:50 PM CDT, 5 hours 33 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
650 PM CDT WED JUL 7 1993
TIME(CDT) COUNTY EVENT
315 PM ST CLAIR SPOTTERS REPORTED DOWNED TREES IN SOUTHWEST
ILLINOIS PARTS OF THE COUNTY.
322 PM ST CLAIR 60 MPH WIND GUSTS WERE REPORTED BY A
ILLINOIS SPOTTER SOUTH OF FREEBURG.
335 PM ST CLAIR TREES WERE BLOWN DOWN IN FREEBURG.
ILLINOIS
358 PM CLINTON DIST.11 OF THE ILLINOIS STATE POLICE
ILLINOIS REPORTED DOWN TREES IN BREESE WITH POWER
OUTAGES. A PLATE GLASS WINDOW WAS BLOWN
OUT OF A CAR DEALERSHIP.
407 PM WASHINGTON A ROOF WAS BLOWN OFF A TRAILER ON HIGHWAY
ILLINOIS 177 NEAR OKAWVILLE.
422 PM MARION TREES AND POWER LINES WERE BLOWN DOWN. ONE
ILLINOIS POLE FELL ON A CAR TRAPPING A PERSON AT
SANDOVAL.
423 PM MARION WINDS GUSTED TO 60 MPH KNOCKING DOWN TREES
ILLINOIS AND POWER LINES IN ODIN.
425 PM MARION DIST.12 OF THE ILLINOIS STATE POLICE
ILLINOIS REPORTED TREES DOWN IN SALEM.
441 PM FAYETTE POWER LINES AND OUTAGES REPORTED IN
ILLINOIS SOUTHERN PART OF THE COUNTY.
SHEALocal storm report, Jul 7, 6:54 PM CDT, 5 hours 29 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
650 PM CDT WED JUL 7 1993
TIME(CDT) COUNTY EVENT
315 PM ST CLAIR SPOTTERS REPORTED DOWNED TREES IN SOUTHWEST
ILLINOIS PARTS OF THE COUNTY.
322 PM ST CLAIR 60 MPH WIND GUSTS WERE REPORTED BY A
ILLINOIS SPOTTER SOUTH OF FREEBURG.
335 PM ST CLAIR TREES WERE BLOWN DOWN IN FREEBURG.
ILLINOIS
358 PM CLINTON DIST.11 OF THE ILLINOIS STATE POLICE
ILLINOIS REPORTED DOWN TREES IN BREESE WITH POWER
OUTAGES. A PLATE GLASS WINDOW WAS BLOWN
OUT OF A CAR DEALERSHIP.
407 PM WASHINGTON A ROOF WAS BLOWN OFF A TRAILER ON HIGHWAY
ILLINOIS 177 NEAR OKAWVILLE.
422 PM MARION TREES AND POWER LINES WERE BLOWN DOWN. ONE
ILLINOIS POLE FELL ON A CAR TRAPPING A PERSON AT
SANDOVAL.
423 PM MARION WINDS GUSTED TO 60 MPH KNOCKING DOWN TREES
ILLINOIS AND POWER LINES IN ODIN.
425 PM MARION DIST.12 OF THE ILLINOIS STATE POLICE
ILLINOIS REPORTED TREES DOWN IN SALEM.
441 PM FAYETTE POWER LINES AND OUTAGES REPORTED IN
ILLINOIS SOUTHERN PART OF THE COUNTY.
SHEAThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 9:00 AM CDT | Flash Flood Warning | LSX | Adair, Schuyler | 3 hr |
| Jul 8, 12:40 PM CDT | Flash Flood Warning | LSX | Saint Charles | 11 hr |
Nearby
Flash Flood Warnings in Missouri, 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.