Alert archive / Missouri / Flash Flood Warnings in 1993

Flash Flood Warning 129, NWS Kansas City, MO

July 23, 1993Atchison County, Holt County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jul 23, 1993, 11:02 PM CDT for Atchison County, Holt County, Missouri. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jul 23, 1993, 11:02 PM CDT (04:02 UTC)
Expired
Jul 24, 1993, 4:00 AM CDT
In force
5 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Atchison County, MO, Holt County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.0 hours before the alert went out and 143 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 1993-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5836 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, Topeka, KS at 00:00Z on 1993-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
5836 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
813 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
327 m²/s²
Significant tornado parameter
6.2
Supercell composite
29.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 240402
FFWMCI
MOC005-087-240900-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1102 PM CDT FRI JUL 23 1993
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  400 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST MISSOURI
 
   ...ATCHISON COUNTY...HOLT COUNTY
 
STRONG THUNDERSTORMS MOVING SLOLWY EAST FROM SOUTHEAST NEBRASKA..RADAR
INDICATED NEAR 2 INCH PER HOUR RAINFALL RATES. THIS IS FALLING OVER
ALREADY SATURATED GROUND AND OVER ALREADY FLOODED AREAS. THIS IS A VERY
DANGEROUS SITUATIOIN AS MANY LEVYS ARE ALREADY BREECHED.
 
 
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, Jul 23, 9:30 PM CDT, 1 hour 32 minutes before
MOZ001-004-005-008-009-013-KSZ016-240330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
930 PM CDT FRI JUL 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT TILL 300AM SATURDAY MORNING...
...FOR ALL OF NORTHWEST MISSOURI...

...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI...

AT 930PM SCATTERED THUNDERSTORMS WERE IN EXTREME NORTHEAST KANSAS AND
SOUTHEAST NEBRASKA.  THE THUNDERSTORMS WERE LOCATED JUST SOUTH OF FALLS
CITY NEBRASKA OR 30 MILES NORTHWEST OF ST JOSEPH.

HEAVY RAINS ARE ASSOCIATED WITH THESE STORMS AS THEY MOVE SOUTHEAST AT
25 MILES AN HOUR.  THE STORMS WILL MOVE INTO DONIPHAN COUNTY KANSAS BY
10PM AND INTO ST JOSEPH BY 1030PM.  ALSO STRONG WINDS TO 35 MILES AND
HOUR AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THESE STORMS.

THE HEAVY RAINS COULD PRODUCE FLASH FLOODING WITH LITTLE WARNING.  BK
Special weather statement, Jul 23, 9:42 PM CDT, 1 hour 20 minutes before
MOZ001-004-005-008-009-013-KSZ016-240330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
930 PM CDT FRI JUL 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT TILL 300AM SATURDAY MORNING...
...FOR ALL OF NORTHWEST MISSOURI...

...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI...

AT 930PM SCATTERED THUNDERSTORMS WERE IN EXTREME NORTHEAST KANSAS AND
SOUTHEAST NEBRASKA.  THE THUNDERSTORMS WERE LOCATED JUST SOUTH OF FALLS
CITY NEBRASKA OR 30 MILES NORTHWEST OF ST JOSEPH.

HEAVY RAINS ARE ASSOCIATED WITH THESE STORMS AS THEY MOVE SOUTHEAST AT
25 MILES AN HOUR.  THE STORMS WILL MOVE INTO DONIPHAN COUNTY KANSAS BY
10PM AND INTO ST JOSEP,H BY 1030PM.  ALSO STRONG WINDS TO 35 MILES AND
HOUR AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THESE STORMS.

THE HEAVY RAINS COULD PRODUCE FLASH FLOODING WITH LITTLE WARNING.  BK
Special weather statement, Jul 23, 10:30 PM CDT, 32 minutes before
MOZ001-004-005-008-009-013-KSZ016-240430-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTED LOCATION...
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1030 PM CDT FRI JUL 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT TILL 3AM SATURDAY MORNING...
...FOR ALL OF NORTHWEST MISSOURI...

...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI...

AT 1030PM SCATTERED THUNDERSTORMS WERE IN EXTREME NORTHEAST KANSAS...
SOUTHEAST NEBRASKA AND NORTHWEST MISSOURI.  THE STORMS WERE LOCATED JUST
SOUTH OF FALLS CITY NEBRASKA OR 20 MILES WEST OF ST JOSEPH.

HEAVY RAINS ARE ASSOCIATED WITH THESE STORMS AS THEY MOVE SOUTHEAST AT
25 MILES AN HOUR SO FLOODING IS POSSIBLE.  THE STORMS WILL MOVE INTO
DONIPHAN COUNTY KANSAS WITHIN THE NEXT HALF HOUR AND INTO ST JOSEPH BY
1130 PM.  ALSO STRONG WINDS AND DANGEROUS LIGHTNING ARE POSSIBLE.

KETCHAM
Special weather statement, Jul 23, 10:38 PM CDT, 24 minutes before
MOZ001-004-005-008-009-013-KSZ016-240430-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1030 PM CDT FRI JUL 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT TILL 3AM SATURDAY MORNING...
...FOR ALL OF NORTHWEST MISSOURI...

...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI...

AT 1030PM SCATTERED THUNDERSTORMS WERE IN EXTREME NORTHEAST KANSAS...
SOUTHEAST NEBRASKA AND NORTHWEST MISSOURI.  THE STORMS WERE LOCATED JUST
OF FALLS CITY NEBRASKA OR 20 MILES WEST OF ST JOSEPH.

HEAVY RAINS ARE ASSOCIATED WITH THESE STORMS AS THEY MOVE SOUTHEAST AT
25 MILES AN HOUR SO FLOODING IS POSSIBLE.  THE STORMS WILL MOVE INTO
DONIPHAN COUNTY KANSAS WITHIN THE NEXT HALF HOUR AND INTO ST JOSEPH BY
1130 PM.  ALSO STRONG WINDS AND DANGEROUS LIGHTNING ARE POSSIBLE.

KETCHAM
Special weather statement, Jul 23, 10:43 PM CDT, 19 minutes before
MOZ001-004-005-008-009-013-KSZ016-240430-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTED LOCATION...
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
1030 PM CDT FRI JUL 23 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT TILL 3AM SATURDAY MORNING...
...FOR ALL OF NORTHWEST MISSOURI...

...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHWEST MISSOURI...

AT 1030PM SCATTERED THUNDERSTORMS WERE IN EXTREME NORTHEAST KANSAS...
SOUTHEAST NEBRASKA AND NORTHWEST MISSOURI.  THE STORMS WERE LOCATED JUST
SOUTH OF FALLS CITY NEBRASKA OR 20 MILES WEST OF ST JOSEPH.

HEAVY RAINS ARE ASSOCIATED WITH THESE STORMS AS THEY MOVE SOUTHEAST AT
25 MILES AN HOUR SO FLOODING IS POSSIBLE.  THE STORMS WILL MOVE INTO
DONIPHAN COUNTY KANSAS WITHIN THE NEXT HALF HOUR AND INTO ST JOSEPH BY
1130 PM.  ALSO STRONG WINDS AND DANGEROUS LIGHTNING ARE POSSIBLE.

KETCHAM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 11:38 PM CDTFlash Flood WarningEAXGentry, Nodaway, Worth4 hr
Jul 23, 11:38 PM CDTFlash Flood WarningEAXAndrew4 hr
Jul 24, 12:05 AM CDTSevere Thunderstorm WarningEAXAndrew, Holt25 min
Jul 24, 12:42 AM CDTSevere Thunderstorm WarningEAXAndrew, DeKalb48 min
Jul 24, 1:16 AM CDTFlash Flood WarningEAXMercer, Putnam3 hr
Jul 24, 1:16 AM CDTFlash Flood WarningEAXDaviess, Grundy, Harrison3 hr
Jul 24, 1:45 AM CDTFlash Flood WarningEAXDeKalb3 hr
Jul 24, 1:45 AM CDTFlash Flood WarningEAXLivingston3 hr
Jul 24, 4:03 AM CDTFlash Flood WarningEAXAtchison, Nodaway4 hr
Jul 24, 7:54 AM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan36 min

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.