Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 56, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 2, 1993, 2:15 AM CDT for Saint Charles County, Missouri. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Aug 2, 1993, 2:15 AM CDT (07:15 UTC)
- Expired
- Aug 2, 1993, 6:15 AM CDT
- In force
- 4 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, 7.3 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
- 1804 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 1246 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 020723 FFWSTL MOC183-021115- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 215 AM CDT MON AUG 2 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 615 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...NORTHERN ST CHARLES COUNTY AT 140 AM CDT...CITY OF ST CHARLES OFFICIALS REPORTED A MAJOR LEVEE BREAK IN THE MISSOURI RIVER AT THE EAST END OF WILKINSON STREET. ST CHARLES CITY OFFICIALS ARE ORDERING THE EVACUATION IN NORTH ST CHARLES - ALL OF NORTH 2ND STREET AND THE EAST SIDE OF NORTH 3RD STREET IN AN AREA BOUNDED BY LAWRENCE STREET ON THE SOUTH AND TECUMSEH STREET ON THE NORTH. THIS IS A SERIOUS SITUATION AND ALL RESIDENTS IN THE AFFECTED AREA SHOULD EVACUATE IMMEDIATELY. 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.
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, Aug 1, 8:27 PM CDT, 5 hours 48 minutes before
MOZ018-ILZ013-020230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 827 PM CDT SUN AUG 1 1993 ...STRONG THUNDERSTORMS WERE FORMING OVER SOUTHWEST ILLINOIS AND SOUTHEAST MISSOURI... AT 820 CDT...NWS DOPPLER RADAR INDICATED A BROKEN LINE OF THUNDERSTORMS EXTENDING FROM SOUTHWEST ILLINOIS INTO SOUTHEAST MISSOURI. THE STORMS WERE MOVING SOUTHEAST AT 15 TO 20 MILES AN HOUR. A VERY STRONG STORM HAD FORMED RAPIDLY OVER SOUTH PERRY COUNTY. THE STORM WAS 4 MILES SOUTH OF PERRYVILLE AND WILL MOVE THROUGH THE TOWNS OF BIEHL...APPLE CREEK AND LONGTOWN BY 845 PM. THIS STORM WILL LIKELY PRODUCE SMALL HAIL...GUSTY WINDS AND VERY HEAVY RAIN. OTHER VERY STRONG STORMS WERE IN SOUTHWEST ILLINOIS OVER CLINTON COUNTY...JUST SOUTHEAST OF CARLYLE...OVER WASHINGTON COUNTY NEAR NASHVILLE... AND OVER PERRY COUNTY...ABOUT 3 MILES NORTH OF PINCKNEYVILLE. RESIDENTS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF STRONG STORMS APPROACH. JPK
Special weather statement, Aug 1, 8:29 PM CDT, 5 hours 46 minutes before
MOZ018-ILZ013-020230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 827 PM CDT SUN AUG 1 1993 ...STRONG THUNDERSTORMS WERE FORMING OVER SOUTHWEST ILLINOIS AND SOUTHEAST MISSOURI... AT 820 CDT...NWS DOPPLER RADAR INDICATED A BROKEN LINE OF THUNDERSTORMS EXTENDING FROM SOUTHWEST ILLINOIS INTO SOUTHEAST MISSOURI. THE STORMS WERE MOVING SOUTHEAST AT 15 TO 20 MILES AN HOUR. A VERY STRONG STORM HAD FORMED RAPIDLY OVER SOUTH PERRY COUNTY. THE STORM WAS 4 MILES SOUTH OF PERRYVILLE AND WILL MOVE THROUGH THE TOWNS OF BIEHL...APPLE CREEK AND LONGTOWN BY 845 PM. THIS STORM WILL LIKELY PRODUCE SMALL HAIL...GUSTY WINDS AND VERY HEAVY RAIN. OTHER VERY STRONG STORMS WERE IN SOUTHWEST ILLINOIS OVER CLINTON COUNTY...JUST SOUTHEAST OF CARLYLE...OVER WASHINGTON COUNTY NEAR NASHVILLE... AND OVER PERRY COUNTY...ABOUT 3 MILES NORTH OF PINCKNEYVILLE. RESIDENTS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF STRONG STORMS APPROACH. JPK
Special weather statement, Aug 1, 8:32 PM CDT, 5 hours 43 minutes before
MOZ018-ILZ013-020230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 827 PM CDT SUN AUG 1 1993 ...STRONG THUNDERSTORMS WERE FORMING OVER SOUTHWEST ILLINOIS AND SOUTHEAST MISSOURI... AT 820 CDT...NWS DOPPLER RADAR INDICATED A BROKEN LINE OF THUNDERSTORMS EXTENDING FROM SOUTHWEST ILLINOIS INTO SOUTHEAST MISSOURI. THE STORMS WERE MOVING SOUTHEAST AT 15 TO 20 MILES AN HOUR. A VERY STRONG STORM HAD FORMED RAPIDLY OVER SOUTH PERRY COUNTY. THE STORM WAS 4 MILES SOUTH OF PERRYVILLE AND WILL MOVE THROUGH THE TOWNS OF BIEHL...APPLE CREEK AND LONGTOWN BY 845 PM. THIS STORM WILL LIKELY PRODUCE SMALL HAIL...GUSTY WINDS AND VERY HEAVY RAIN. OTHER VERY STRONG STORMS WERE IN SOUTHWEST ILLINOIS OVER CLINTON COUNTY...JUST SOUTHEAST OF CARLYLE...OVER WASHINGTON COUNTY NEAR NASHVILLE... AND OVER PERRY COUNTY...ABOUT 3 MILES NORTH OF PINCKNEYVILLE. RESIDENTS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF STRONG STORMS APPROACH. JPK
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.