Alert archive / Missouri / Flash Flood Warnings in 1993
Flash Flood Warning 39, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 11, 1993, 11:29 PM CDT for Phelps County, Missouri. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1993, 11:29 PM CDT (04:29 UTC)
- Expired
- Jul 12, 1993, 2:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Phelps County, MO
The radar
The St Louis radar (KLSX), 133 km from the middle of the area, began a volume at 04:30 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Springfield, MO (KUMN), launched 00:00Z, 4.5 hours before the alert went out and 208 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
- 2016 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1206 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 72 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 120433 FFWSTL MOC161-120730- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1129 PM CDT SUN JUL 11 1993 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 230 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...PHELPS COUNTY THUNDERSTORMS WITH HEAVY RAIN WAS MOVING ACROSS PHELPS COUNTY IN SOUTH CENTRAL MISSOURI EARLY TONIGHT. A WEATHER SERVICE OBSERVER REPORTED 2.75 INCHES OF RAIN FELL BETWEEN 9 AND 11 PM TONIGHT. FLASH FLOODING AND POOLING OF WATER OVER ROADWYS IS LIKELY SPECIALLY IN THE URBAN AREAS. 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. WORK
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 11, 5:56 PM CDT, 5 hours 33 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
556 PM CDT SUN JUL 11 1993
PRELIMINARY REPORTS FROM THE AFTERNOON OF 11 JULY 1993
TIME(CDT) COUNTY EVENT
250 PM SCOTT TREES BLOWN DOWN IN EXETER. FROM SCOTT COUNTY
ILLINOIS SHERIFF. ON PREVIOUS LSR REPORT.
453 PM FAYETTE NICKEL SIZE HAIL 2 MILES EAST OF VANDALIA.
ILLINOIS FROM STATE POLICE DISTRICT 12 OFFICE.
501 PM FAYETTE TREES BLOWN DOWN ON CABINS AT VANDALIA LAKE
ILLINOIS WHICH IS 3-4 MILES NORTHEAST OF VANDALIA.
FROM COUNTY SHERIFF.
GOETSCHLocal storm report, Jul 11, 5:56 PM CDT, 5 hours 33 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
556 PM CDT SUN JUL 11 1993
PRELIMINARY REPORTS FROM THE AFTERNOON OF 11 JULY 1993
TIME(CDT) COUNTY EVENT
250 PM SCOTT TREES BLOWN DOWN IN EXETER. FROM SCOTT COUNTY
ILLINOIS SHERIFF. ON PREVIOUS LSR REPORT.
453 PM FAYETTE NICKEL SIZE HAIL 2 MILES EAST OF VANDALIA.
ILLINOIS FROM STATE POLICE DISTRICT 12 OFFICE.
50V1 PM FAYETTE TREES BLOWN DOWN ON CABINS AT VANDALIA LAKE
ILLINOIS WHICH IS 3-4 MILES NORTHEAST OF VANDALIA.
FROM COUNTY SHERIFF.
GOETSCHSpecial weather statement, Jul 11, 8:45 PM CDT, 2 hours 44 minutes before
MOZ010-014-120245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 845 PM CDT SUN JUL 11 1993 ...STRONG THUNDERSTORMS WITH VERY HEAVY SHOWERS ARE MOVING THROUGH THE SOUTH PART OF CENTRAL MISSOURI... AT 840 PM CDT WEATHER RADAR IN COLUMBIA SHOWED A BAND OF THUNDERSTORMS WITH VERY HEAVY SHOWERS MOVING INTO CAMDEN..MILLER..MARIES..AND PULASKI COUNTIES OF CENTRAL MISSOURI. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AROUND 30 MILES AN HOUR AND EXTENDED FROM 5 MILES SOUTH OF CAMDENTON TO 5 MILES NORTHEAST VICHY...OR ABOUT 55 MILES SOUTH OF COLUMBIA. NO SEVERE WEATHER HAS BEEN REPORTED OR NOTED BY RADAR IN CENTRAL MISSOURI...HOWEVER THESE STORMS WILL CONTAIN DEADLY LIGHTNING AND WINDS GUSTING ABOVE 35 MILES AN HOUR ALONG WITH THE BRIEF DOWNPOURS AS THEY MOVE INTO GASCONADE AND OSAGE COUNTIES BY 945 PM CDT. LB
Special weather statement, Jul 11, 8:52 PM CDT, 2 hours 37 minutes before
MOZ010-014-120245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 845 PM CDT SUN JUL 11 1993 ...STRONG THUNDERSTORMS WITH VERY HEAVY SHOWERS ARE MOVING THROUGH THE SOUTH PART OF CENTRAL MISSOURI... AT 840 PM CDT WEATHER RADAR IN COLUMBIA SHOWED A BAND OF THUNDERSTORMS WITH VERY HEAVY SHOWERS MOVING INTO CAMDEN..MILLER..MARIES..AND PULASKI COUNTIES OF CENTRAL MISSOURI. THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AROUND 30 MILES AN HOUR AND EXTENDED FROM 5 MILES SOUTH OF CAMDENTON TO 5 MILES NORTHEAST VICHY...OR ABOUT 55 MILES SOUTH OF COLUMBIA. NO SEVERE WEATHER HAS BEEN REPORTED OR NOTED BY RADAR IN CENTRAL MISSOURI...HOWEVER THESE STORMS WILL CONTAIN DEADLY LIGHTNING AND WINDS GUSTING ABOVE 35 MILES AN HOUR ALONG WITH THE BRIEF DOWNPOURS AS THEY MOVE INTO GASCONADE AND OSAGE COUNTIES BY 945 PM CDT. LB
Special weather statement, Jul 11, 9:45 PM CDT, 1 hour 44 minutes before
MOZ010-014-120245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 945 PM CDT SUN JUL 11 1993 ...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR SOUTH PARTS OF CENTRAL MISSOURI... AT 940 PM CDT WEATHER RADAR SHOWED A BAND OF THUNDERSTORMS WITH VERY HEAVY SHOWERS ACROSS THE SOUTH COUNTIES OF CENTRAL MISSOURI. THE BAND WAS ABAOUT 30 MILES WIDE AND SOUTHEAST OF A LINE EXTENDING FRON 85 MILES SOUTHWEST OF COLUMBIA...ABOUT 5 MILES SOUTH OF HERMITAGE... TO 10 MILES SOUTHEAST OF OWENSVILLE...ABOUT 65 MILES SOUTHEAST OF COLUMBIA. THE AREA WAS MOVING TO THE EAST AND SOUTHEAST AS THE INDIVIDUAL STORMS MOVED TO THE NORTHEAST AROUND 30 MILES AN HOUR. THESE HEAVY SHOWERS COULD QUICKLY PRODUCE FLASH FLOODING DUE TO THE ALREADY SATURATED GROUND AND SWOLLEN CREEKS..RIVERS..AND STREAMS. TAKE SHELTER ON HIGHER GROUND IF YOU SEE RISING WATERS...AND NEVER TRY TO DRIVE OR WALK THROUGH WATER COVERED ROADWAYS. THESE STORMS WILL PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING AND WINDS GUSTING ABOVE 35 MILES AN HOUR...SO STAY INDOORS AND AWAY FROM WINDOWS AS THESE STORMS PASS BY. LB
Special weather statement, Jul 11, 9:50 PM CDT, 1 hour 39 minutes before
MOZ010-014-120245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA MO 945 PM CDT SUN JUL 11 1993 ...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR SOUTH PARTS OF CENTRAL MISSOURI... AT 940 PM CDT WEATHER RADAR SHOWED A BAND OF THUNDERSTORMS WITH VERY HEAVY SHOWERS ACROSS THE SOUTH COUNTIES OF CENTRAL MISSOURI. THE BAND WAS ABAOUT 30 MILES WIDE AND SOUTHEAST OF A LINE EXTENDING FRON 85 MILES SOUTHWEST OF COLUMBIA...ABOUT 5 MILES SOUTH OF HERMITAGE... TO 10 MILES SOUTHEAST OF OWENSVILLE...ABOUT 65 MILES SOUTHEAST OF COLUMBIA. THE AREA WAS MOVING TO THE EAST AND SOUTHEAST AS THE INDIVIDUAL STORMS MOVED TO THE NORTHEAST AROUND 30 MILES AN HOUR. THESE HEAVY SHOWERS COULD QUICKLY PRODUCE FLASH FLOODING DUE TO THE ALREADY SATURATED GROUND AND SWOLLEN CREEKS..RIVERS..AND STREAMS. TAKE SHELTER ON HIGHER GROUND IF YOU SEE RISING WATERS...AND NEVER TRY TO DRIVE OR WALK THROUGH WATER COVERED ROADWAYS. THESE STORMS WILL PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING AND WINDS GUSTING ABOVE 35 MILES AN HOUR...SO STAY INDOORS AND AWAY FROM WINDOWS AS THESE STORMS PASS BY. LB
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; radar from the NEXRAD Level II archive.