Alert archive / Missouri / Flash Flood Warnings in 1992

Flash Flood Warning 10, NWS St. Louis, MO

August 10, 1992Pike County, Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 10, 1992, 6:02 AM CDT for Pike County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Aug 10, 1992, 6:02 AM CDT (11:02 UTC)
Expired
Aug 10, 1992, 10:00 AM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

County Pike County, MO

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 11.0 hours before the alert went out and 332 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.

Skew-T log-pSkew-T log-p diagram, Paducah/Barkley, KY at 00:00Z on 1992-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5006 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Paducah/Barkley, KY at 00:00Z on 1992-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
5006 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSTL 101106 COR
FFWSTL
MOC163-127-173-101500-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
602 AM CDT MON AUG 10 1992

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN EAST CENTRAL MISSOURI

   ...PIKE COUNTY

IN NORTHEAST MISSOURI

   ...EASTERN MARION COUNTY...RALLS COUNTY

AT 540 AM THE HANNIBAL CIVIL DEFENSE REPORTED THAT SMALL CREEKS AND
STREAMS IN AND AROUND HANNIBAL VICINITY WERE FLOODING AND SOME STREET
FLOODING WAS OCCURING.

IN RALLS AND PIKE COUNTIES MISSOURI DOPPLER RADAR ESTIMATED THAT
RAINFALL AMOUNTS RANGE BETWEEN 3 AND 5 INCHES DURING THE NIGHT.  THIS
WILL CAUSE FLASH FLOODING ON SMALL STREAMS IN THESE COUNTIES.
THE HEAVIEST RAINFALL AMOUNTS WERE NORTHWEST OF BOWLING GREEN TO NEAR
THE CANNON DAM.

MOTORISTS SHOULD NOT DRIVE THROUGH STANDING OR FLOWING WATER.

PERSONS NEAR LOW LYING AREAS PRONE TO FLOODING SHOULD TAKE
THE NECESSARY PRECAUTIONS FOR SAFETY OF LIFE AND PROPERTY.



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 QUICKLY.  MOVE TO HIGHER GROUND.

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 10, 1:12 AM CDT, 4 hours 50 minutes before
MOZ010-011-100700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
100 AM CDT MON AUG 10 1992

...STRONG THUNDERSTORMS WERE LINED UP IN EAST CENTRAL MISOURI...

A LINE OF STRONG THUNDERSTORMS WAS IN EAST PARTS OF CNTRAL MISSOURI
FROM 30 MILES WEST OF HANNIBAL...AROUND SHELBINA...TO 25 MILES EAST
OF JEFFERSON CITY...AROUND HOPE...TO JUST EAST OF ROLLA.  THE STORMS
WERE MOVING SOUTHEAST AT 25 MPH.  THE STRONGEST THUNDERSTORM WAS OVER
HOPE AND FREEDOM...OR ABOUT 25 TO 30 MILES EAST OF JEFFERSON CITY.

THESE THUNDERSTORMS WILL LIKELY PRODUCE BRIEF HEAVY RAIN...GUSTY WIND
OF 30 TO 40 MPH AND POSSIBLY SOME SMALL HAIL AS THEY PASS THROUGH
WELLSVILLE...MONTGOMERY CITY...HERMANN AND *OWENSVILLE BETWEEN 1 AND
2AM.

LARM
Special weather statement, Aug 10, 2:01 AM CDT, 4 hours 1 minute before
MOZ010-011-100800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
200 AM CDT MON AUG 10 1992

...STRONG THUNDERSTORMS CONTINUE OVER EAST CENTRAL MISSOURI...

AN INTENSE THUNDERSTORM WAS STILL 25 MILES EAST OF JEFFERSON CITY...
OVER HOPE AND FREEDOM.  THIS THUNDERSTORM HAD MOVED VERY LITTLE SINCE
1AM AND WAS LIKELY PRODUCING VERY HEAVY RAIN IN THE COMMUNITIES OF
HOPE...FREEDOM...CROOK AND COOPER HILL.  STREET FLOODING MAY BE
OCCURRING ALONG WITH SOME SMALL STREAM FLOODING.  PEOPLE IN AND AROUND
THESE TOWNS SHOULD BE ALERT FOR RISING WATERS IF THEY LIVE IN A FLOOD
PRONE AREA.

THIS THUNDERSTORM WAS PART OF A LINE OF LESSER...BUT STILL STRONG
THUNDERSTORMS THAT WAS MOVING THROUGH EAST PARTS OF CENTRAL MISSOURI.
DANGEROUS LIGHTNING...GUSTY WIND AND BRIEF HEAVY RAINS ARE POSSIBLE
FROM THESE OTHER THUNDERSTORMS.
LARM
Special weather statement, Aug 10, 3:15 AM CDT, 2 hours 47 minutes before
MOZ010-011-100930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
315 AM CDT MON AUG 10 1992

...STRONG THUNDERSTORMS CONTINUE OVER EAST CENTRAL MISSOURI...

STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE STILL IN EAST PARTS
OF CENTRAL MISOURI FROM 45 MILES EAST OF COLUMBIA...AROUND BELLEFLOWER
...30 MILES NORTHEAST OF ROLLA...AROUND OWENSVILLE.  THE STORMS WERE
MOVING EAST AT 15 MPH AND WILL BE IN EASTERN MISSOURI BY 4AM.

OTHER SHOWERS AND THUNDERSHOWERS WERE NEWLY DEVELOPED AROUND COLUMBIA
AND JEFFERSON CITY TO 20 MILES SOUTHWEST OF JEFFERSON CITY...NEAR ELDON
AND ALSO 25 MILES NORTH OF COLUMBIA...AROUND MOBERLY.

LARM
Special weather statement, Aug 10, 3:17 AM CDT, 2 hours 45 minutes before
MOZ010-011-100930-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE COLUMBIA MO
315 AM CDT MON AUG 10 1992

...STRONG THUNDERSTORMS CONTINUE OVER EAST CENTRAL MISSOURI...

STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE STILL IN EAST PARTS
OF CENTRAL MISOURI FROM 45 MILES EAST OF COLUMBIA...AROUND BELLFLOWER
...TO 30 MILES NORTHEAST OF ROLLA...AROUND OWENSVILLE.  THE STORMS WERE
MOVING EAST AT 15 MPH AND WILL BE IN EASTERN MISSOURI BY 4AM.

OTHER SHOWERS AND THUNDERSHOWERS WERE NEWLY DEVELOPED AROUND COLUMBIA
AND JEFFERSON CITY TO 20 MILES SOUTHWEST OF JEFFERSON CITY...NEAR ELDON
AND ALSO 25 MILES NORTH OF COLUMBIA...AROUND MOBERLY.

LARM
Special weather statement, Aug 10, 4:07 AM CDT, 1 hour 55 minutes before
MOZ010-011-101000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
400 AM CDT MON AUG 10 1992

...STRONG THUNDERSTORMS CONTINUE OVER EAST CENTRAL MISSOURI...

STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE STILL IN EAST PARTS
OF CENTRAL MISSOURI FROM 35 MILES NORTHEAST OF COLUMBIA...AROUND
VANDALIA...TO 20 MILES EAST OF ROLLA.  THE STORMS WERE MOVING EAST
AT 15 MPH AND WILL MOVE INTO EASTERN MISSOURI BY 5AM.

OTHER SHOWERS WERE SC.ATTERED IN CENTRAL MISSOURI JUST EAST OF
JEFFERSON CITY.

LARM
Special weather statement, Aug 10, 5:34 AM CDT, 28 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
530 AM CDT MON AUG 10 1992

AT 525 AM CDT...ISOLATED THUNDERSTORMS...WITH VERY HEAVY RAIN...
STRONG WIND AND SMALL HAIL WERE OVER NORTHEAST MISSOURI AND EXTREME
WEST CENTRAL ILLIONOIS.

THESE STORMS EXTENDED FROM NEAR BOWLING GREEN MISSOURI TO NEAR KEOKUK
IOWA. VERY HEAVY RAIN...STRONG WIND AND SMALL HAIL MAY OCCUR WITH
THESE. THE RAIN IS MOVING VERY SLOWLY AND COULD CAUSE FLOODING OF
STREETS AND LOW AREAS.

OTHER LIGHT RAIN WAS OVER EASTERN MISSOURI.

THE AREA OF RAIN WAS MOVING TO THE EAST AT 20 MILES AN HOUH
               FV

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 6:02 AM CDTFlash Flood WarningLSXMarion, Ralls3 hr
Aug 10, 2:28 PM CDTSevere Thunderstorm WarningLSXReynolds47 min
Aug 10, 6:56 PM CDTSevere Thunderstorm WarningLSXCrawford49 min

Nearby

Flash Flood Warnings in Missouri, 1992Every flash flood warning in 1992

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.