Alert archive / Missouri / Flash Flood Warnings in 1994

Flash Flood Warning 2, NWS Kansas City, MO

April 11, 19945 counties in Missouri

NWS Kansas City, MO issued this flash flood warning at Apr 11, 1994, 12:31 AM CDT for 5 counties in Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 11, 1994, 12:31 AM CDT (05:31 UTC)
Expired
Apr 11, 1994, 4:30 AM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Cole County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Osage County, MO

The radar

The St Louis radar (KLSX), 138 km from the middle of the area, began a volume at 05:31 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, 5.5 hours before the alert went out and 217 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, Springfield, MO at 00:00Z on 1994-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 147 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 00:00Z on 1994-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 437 square meters per square second.1939587897Sfc1 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
147 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
437 m²/s²
0-3 km storm-relative helicity
464 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 110532
FFWCOU
MOC015-019-027-051-125-131-135-151-007-110930-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
1231 AM CDT MON APR 11 1994
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  430 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...BENTON COUNTY...BOONE COUNTY...CALLAWAY COUNTY...COLE COUNTY
   ...MARIES COUNTY...MILLER COUNTY...MONITEAU COUNTY...OSAGE COUNTY
 
IN EAST CENTRAL MISSOURI
 
   ...AUDRAIN COUNTY
 
AT 1230 AM...WIDESPREAD HEAVY SHOWERS AND THUNDERSTORMS CONTINUED TO
RUMBLE ACROSS CENTRAL MISSOURI. REPEAT STORM MOVEMENT OVER ALREADY
SATURATED GROUND HAS CAUSED LOCALIZED FLOODING...PRIMARILY OVER THE
CENTRAL AND SOUTH CENTRAL PORTION OF THE REGION.
 
LAW ENFORCEMENT AGENCIES REPORTED SEVERAL LOW LYING COUNTY ROADS UNDER
WATER AND SMALL CREEKS AND DRAINAGE DITCHES WERE FILLING RAPIDLY.
RAINFALL AMOUNTS IN EXCESS OF 2 INCHES ARE COMMON ACROSS CENTRAL
MISSOURI...AND WITH MORE HEAVY RAIN ON THE WAY...FLASH FLOODING IS
IMMINENT.  RESIDENTS IN MID MISSOURI WHO LIVE IN AREAS THAT ARE NORMALLY
PRONE TO FLOODING SHOULD BE ON THE ALERT FOR RISING WATER AND BE READY
TO MOVE TO HIGHER GROUND.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
PERLOW

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, Apr 10, 8:03 PM CDT, 4 hours 28 minutes before
MOZ001>007-011>016-020>023-028>031-037-038-043-044-053-054-067-
KSZ057-060-102>105-102325-

SPECIAL WEATHER STATEMENT/SHORT TERM FORECAST
NATIONAL WEATHER SERVICE KANSAS CITY MO
800 PM CDT SUN APR 10 1994

...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM FOR
PORTIONS OF WEST CENTRAL MISSOURI...
...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR WEST CENTRAL AND PARTS OF
NORTHWEST MISSOURI FOR TONIGHT AND MONDAY MORNING...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF WEST CENTRAL
MISSOURI UNTIL 1000 PM AND INCLUDES THE COUNTIES OF BATES...ST. CLAIR AND
HENRY IN MISSOURI AND LINN COUNTY IN KANSAS. A FLASH FLOOD WATCH REMAINS
IN EFFECT FOR WEST CENTRAL AND PARTS OF NORTHWEST MISSOURI FOR TONIGHT AND
MONDAY MORNING. THIS WATCH INCLUDES THE AREA ALONG AND SOUTH OF A LINE FROM
JUST NORTH OF KANSAS CITY TO 20 MILES NORTHEAST OF CARROLLTON. THIS WATCH
INCLUDES THE KANSAS CITY AREA AS WELL AS RICHMOND...WARRENSBURG...
OLATHE...CLINTON...AND MOUND CITY KANSAS.  THE FLASH FLOOD WATCH DOES
NOT INCLUDE THE ST. JOSEPH AREA.

AT 800 PM RAIN AND THUNDERSTORMS COVERED MUCH OF SOUTHEASTERN KANSAS AND
WESTERN KANSAS. THE PRECIPITATION WAS SOUTHEAST OF A LINE EXTENDING FROM
KIRKSVILLE TO ST. JOSEPH TO CHANUTE KANSAS AND WAS MOVING NORTHEAST AT
35 MPH. RAIN AND THUNDERSTORMS WILL CONTINUE THROUGH MIDNIGHT WITH
WITH ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES POSSIBLE IN
LOCALIZED AREAS. THE PRECIPITATION WILL FALL ON NEARLY SATURATED SOIL
WITH FLASH FLOODING POSSIBLE ACROSS THE WATCH AREA.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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.

BEUSTERIEN
Special weather statement, Apr 10, 9:38 PM CDT, 2 hours 53 minutes before
MOZ001>007-011>016-020>023-028>031-037-038-043-044-053-054-067-
KSZ057-060-102>105-110300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MO
935 PM CDT SUN APR 10 1994

...THE SEVERE THUNDERSTORM WATCH FOR BATES...HENRY AND ST CLAIR COUNTIES
IN WEST CENTRAL MISSOURI AND LINN COUNTY IN EAST CENTRAL KANSAS HAS BEEN
CANCELLED...

...THE FLASH FLOOD WATCH FOR THE KANSAS CITY AREA HAS ALSO BEEN CANCELLED...

AT 920 PM CDT...STRONG THUNDERSTORMS CONTINUED OVER PORTIONS OF SOUTHERN
MISSOURI WITH LESS INTENSE STORMS OVER WEST CENTRAL PORTIONS OF THE STATE.

THERE REMAINS A CHANCE FOR HEAVY RAIN TO THE SOUTH OF KANSAS CITY OVER
WEST CENTRAL MISSOURI. THE KANSAS CITY AREA ITSELF WILpL RECIEVE SCATTERED
SHOWERS AND THUNDERSTORMS DURING THE NIGHT BUT THE THREAT OF FLOODING
HAS DIMINISHED.
RUNNELS
Special weather statement, Apr 10, 11:40 PM CDT, 51 minutes before
MOZ028>031-037-038-043-044-053-054-067-KSZ057-060-103>105-110640-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MO
1136 PM CDT SUN APR 10 1994

...THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING BACK INTO PARTS OF
WEST CENTRAL MISSOURI...

AT 1130 PM...SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN WERE
MOVING BACK INTO THE WEST CENTRAL MISSOURI COUNTIES OF BATES...HENRY
AND ST CLAIR.  THESE STORMS MAY PRODUCE OVER AN INCH OF RAIN PER HOUR
AS THEY MOVE NORTHEAST AT 30 MPH.

IN ADDITION...SHOWERS AND THUNDERSTORMS WERE BECOMING WIDESPREAD AGAIN
ACROSS SOUTHEAST KANSAS. AS THE GROUND IS ALREADY SATURATED
...THIS ADDITIONAL RAINFALL MAY LEAD TO FLOODING.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR WEST CENTRAL AND SOUTHWEST
MISSOURI TO THE SOUTH OF KANSAS CITY. MOTORISTS TRAVELING THROUGH
THE REGION SHOULD BE ALERT FOR FLOODING.  REMEMBER THAT FLOODING IS
ESPECIALLY HARD TO RECOGNIZE IN THE DARK.

RUNNELS

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 11:55 PM CDTFlash Flood WarningEAXBates, Henry, St. Clair6 hr
Apr 11, 12:31 AM CDTFlash Flood WarningEAXAudrain, Boone, Callaway4 hr
Apr 11, 12:31 AM CDTFlash Flood WarningEAXBenton4 hr
Apr 11, 1:23 AM CDTFlash Flood WarningEAXCamden3 hr
Apr 11, 4:12 AM CDTFlash Flood WarningEAXHickory4 hr
Apr 11, 4:12 AM CDTFlash Flood WarningEAXHoward, Saline4 hr
Apr 11, 4:12 AM CDTFlash Flood WarningEAXPettis4 hr
Apr 11, 4:33 AM CDTFlash Flood WarningEAXBenton, Camden, Miller4 hr
Apr 11, 4:33 AM CDTFlash Flood WarningEAXCole, Moniteau, Osage4 hr
Apr 11, 4:33 AM CDTFlash Flood WarningEAXMaries4 hr
Apr 11, 4:33 AM CDTFlash Flood WarningEAXAudrain, Boone, Callaway4 hr
Apr 11, 5:48 AM CDTFlash Flood WarningEAXMorgan3 hr
Apr 11, 6:00 AM CDTFlash Flood WarningEAXBates, Henry, St. Clair4 hr
Apr 11, 8:45 AM CDTFlash Flood WarningEAXPulaski3 hr

Nearby

Flash Flood Warnings in Missouri, 1994Every flash flood warning in 1994

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.