Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 22, NWS Kansas City, MO

June 30, 1993Chariton County, Macon County, Randolph County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 30, 1993, 10:35 PM CDT for Chariton County, Macon County, Randolph County, Missouri. It was in force for 115 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1993, 10:35 PM CDT (03:35 UTC)
Expired
Jul 1, 1993, 12:30 AM CDT
In force
115 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Chariton County, MO, Macon County, MO, Randolph County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.6 hours before the alert went out and 264 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, Topeka, KS at 00:00Z on 1993-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3169 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 1993-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.19395878Sfc1 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
3169 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1127 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
128 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 KCOU 010338
FFWCOU
MOC041-121-175-010530-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
1035 PM CDT WED JUN 30 1993
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
THE SEVERE THUNDERSTORM WARNING IS EFFECTIVE UNTIL 1130 PM...
AND THE FLASH FLOOD WARNING IS EFFECTIVE UNTIL 1230 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL MISSOURI
 
   ...CHARITON COUNTY...MACON COUNTY...RANDOLPH COUNTY
 
AT 930 PM A NARROW LINE OF SEVERE THUNDERSTORMS EXTENDED FROM 5 MILES
EAST OF MACON...TO 30 MILES NORTHWEST OF COLUMBIA. THE LINE OF STORMS
WAS SLOWLY DRIFTING SOTHEASTWARD PRODUCING HAIL...STRONG GUSTY WINDS AND
TORRENTIAL RAINS. MINOR LOCALIZED FLOODING HAS ALREADY BEEN REPORTED AND
REPEAT THUNDERSTORMS ARE CERTAIN TO PRODUCE MORE SERIOUS FLOODING.
 
 
SEVERE THUNDERSTORMS CAN ALSO PRODUCE VERY HEAVY RAINS THAT MAKE
IT HARD TO SEE VERY FAR. HEAVY RAINS CAN ALSO FLOOD ROADS VERY
QUICKLY. DRIVERS SHOULD SLOW DOWN OR PULL OFF THE ROAD UNTIL THE
STORM HAS PASSED. TAKE SHELTER INDOORS DURING THE STORM IF POSSIBLE.
 
AP/LB

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, Jun 30, 5:15 PM CDT, 5 hours 20 minutes before
MOZ001-002-004-005-008-009-013-KSZ016-302245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
515 PM CDT WED JUN 30 1993

...TORNADO WATCH UNTIL 8 PM FOR NORTHEAST KANSAS AND NORTHWEST...WEST
   CENTRAL AND CENTRAL MISSOURI...INCLUDING THE KANSAS CITY METRO
   AREA AND ST JOSEPH...
...SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR EXTREME NORTHERN MISSOURI...
...FLASH FLOOD WATCH FOR NORTHERN MISSOURI AND EASTERN KANSAS TONIGHT...

AT 510 PM CDT...STRONG THUNDERSTORMS WERE LOCATED OVER NORTHWEST
MISSOURI...THE STRONGEST STORM WAS LOCATED NORTHWEST OF BETHANY NEAR
GRANT CITY.  ANOTHER STRONG THUNDERSTORM WAS LOCATED NEAR TARKIO IN
ATCHISON COUNTY.  THESE STORMS WILL PRODUCE VERY HEAVY RAIN...GUSTY
WINDS...AND POTENIALLY DEADLY LIGHTNING.

THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

GH
Special weather statement, Jun 30, 5:20 PM CDT, 5 hours 15 minutes before
MOZ001-002-004-005-008-009-013-KSZ016-302245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
515 PM CDT WED JUN 30 1993

...TORNADO WATCH UNTIL 8 PM FOR NORTHEAST KANSAS AND NORTHWEST...WEST
   CENTRAL AND CENTRAL MISSOURI...INCLUDING THE KANSAS CITY METRO
   AREA AND ST JOSEPH...
...SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR EXTREME NORTHERN MISSOURI...
...FLASH FLOOD WATCH FOR NORTHERN MISSOURI AND EASTERN KANSAS TONIGHT...

AT 510 PM CDT...STRONG THUNDERSTORMS WERE LOCATED OVER NORTHWEST
MISSOURI...THE STRONGEST STORM WAS LOCATED NORTHWEST OF BETHANY NEAR
GRANT CITY.  ANOTHER STRONG THUNDERSTORM WAS LOCATED NEAR TARKIO IN
ATCHISON COUNTY.  THESE STORMS WILL PRODUCE VERY HEAVY RAIN...GUSTY
WINDS...AND POTENIALLY DEADLY LIGHTNING.

THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

GH
Special weather statement, Jun 30, 5:48 PM CDT, 4 hours 47 minutes before
MOZ001-002-004-005-008-009-013-KSZ016-302245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
640 PM CDT WED JUN 30 1993

AT 630 PM CDT...STRONG THUNDERSTORMS WERE LOCATED OVER NORTHWEST
MISSOURI...THE STRONGEST STORM WAS LOCATED OVER ATCHISON COUNTY NEAR
TARKIO  THIS STORM WILL PRODUCE VERY HEAVY RAIN...GUSTY WINDS...AND
DANGEROUS LIGHTNING.

OTHER STRONG THUNDERSTORMS WERE LOCATE OVER NORTHEAST KANSAS NORTH OF
FORT RILEY AND OVER SOUTHEAST NEBRASKA AND SOUTHWEST IOWA BETWEEN
OMAHA AND DES MOINES.

THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

REMEMBER...A TORNADO WATCH REMAINS IN EFFECT FOR NORTHEAST KANSAS AND
WEST CENTRAL AND CENTRAL MISS2OURI...INCLUDING THE KANSAS CITY AND ST
JOSEPH AREAS.  SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN
MISSOURI.  FLASH FLOOD WATCH IS IN EFFECT FOR PARTS OF KANSAS AND MISSOURI.
Special weather statement, Jun 30, 6:40 PM CDT, 3 hours 55 minutes before
MOZ001-002-004-005-008-009-013-KSZ016-302245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
640 PM CDT WED JUN 30 1993

AT 630 PM CDT...STRONG THUNDERSTORMS WERE LOCATED OVER NORTHWEST
MISSOURI...THE STRONGEST STORM WAS LOCATED OVER ATCHISON COUNTY NEAR
TARKIO  THIS STORM WILL PRODUCE VERY HEAVY RAIN...GUSTY WINDS...AND
DANGEROUS LIGHTNING.

OTHER STRONG THUNDERSTORMS WERE LOCATE OVER NORTHEAST KANSAS NORTH OF
FORT RILEY AND OVER SOUTHEAST NEBRASKA AND SOUTHWEST IOWA BETWEEN
OMAHA AND DES MOINES.

THE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

REMEMBER...A TORNADO WATCH REMAINS IN EFFECT FOR NORTHEAST KANSAS AND
WEST CENTRAL AND CENTRAL MISSOURI...INCLUDING THE KANSAS CITY AND ST
JOSEPH AREAS.  SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN
MISSOURI.  FLASH FLOOD WATCH IS IN EFFECT FOR PARTS OF KANSAS AND MISSOURI.
Special weather statement, Jun 30, 10:29 PM CDT, 6 minutes before
MOZ005-008-010430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1029 PM CDT WED JUN 30 1993

SEVERE THUNDERSTORM WARNING IS NO LONGER IN EFFECT FOR CALDWELL..RAY AND
EASTERN CLAY COUNTIES MISSOURI.

THE SEVERE THUNDERSTORMS HAVE MOVED TO THE EAST.  SMALL HAIL...HEAVY
RAIN AND GUSTY WINDS CAN BE EXPECTED HOWEVER IN THESE COUNTIES UNTIL 11
PM.  PEA SIZE HAIL WAS REPORTED OVER RAY COUNTY AT 1025 PM.
Special weather statement, Jun 30, 10:31 PM CDT, 4 minutes before
MOZ005-008-010430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1029 PM CDT WED JUN 30 1993

SEVERE THUNDERSTORM WARNING IS NO LONGER IN EFFECT FOR CALDWELL..RAY AND
EASTERN CLAY COUNTIES MISSOURI.

THE SEVERE THUNDERSTORMS HAVE MOVED TO THE EAST.  SMALL HAIL...HEAVY
RAIN AND GUSTY WINDS CAN BE EXPECTED HOWEVER IN THESE COUNTIES UNTIL 11
PM.  PEA SIZE HAIL WAS REPORTED OVER RAY COUNTY AT 1025 PM.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 7:00 PM CDTSevere Thunderstorm WarningEAXAtchison, Holt60 min
Jun 30, 7:21 PM CDTTornado WarningEAXNodaway39 min
Jun 30, 7:27 PM CDTTornado WarningEAXHarrison33 min
Jun 30, 7:46 PM CDTFlash Flood WarningEAXHolt, Nodaway4 hr
Jun 30, 8:06 PM CDTTornado WarningEAXSullivan39 min
Jun 30, 8:13 PM CDTTornado WarningEAXHarrison32 min
Jun 30, 8:20 PM CDTSevere Thunderstorm WarningEAXLinn40 min
Jun 30, 8:35 PM CDTSevere Thunderstorm WarningEAXGrundy, Mercer, Sullivan55 min
Jun 30, 8:53 PM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan, Clinton67 min
Jun 30, 9:10 PM CDTSevere Thunderstorm WarningEAXBuchanan, Clinton, Platte45 min
Jun 30, 9:10 PM CDTSevere Thunderstorm WarningEAXDeKalb45 min
Jun 30, 9:13 PM CDTSevere Thunderstorm WarningEAXLivingston47 min
Jun 30, 9:35 PM CDTSevere Thunderstorm WarningEAXClay, Ray55 min
Jun 30, 9:35 PM CDTSevere Thunderstorm WarningEAXCaldwell55 min
Jun 30, 10:35 PM CDTSevere Thunderstorm WarningEAXChariton, Macon, Randolph115 min
Jun 30, 11:29 PM CDTSevere Thunderstorm WarningEAXBoone, Cooper, Moniteau61 min
Jul 1, 12:04 AM CDTSevere Thunderstorm WarningEAXBuchanan, Platte41 min
Jul 1, 12:45 AM CDTFlash Flood WarningEAXAudrain, Boone, Callaway, Randolph2 hr
Jul 1, 12:45 AM CDTFlash Flood WarningEAXMacon2 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.