Alert archive / Missouri / Flash Flood Warnings in 1996

Flash Flood Warning 2, NWS Kansas City, MO

May 5, 1996Cass County, Henry County, Missouri

NWS Kansas City, MO issued this flash flood warning at May 5, 1996, 8:00 AM CDT for Cass County, Henry County, Missouri. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 5, 1996, 8:00 AM CDT (13:00 UTC)
Expired
May 5, 1996, 12:00 PM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Cass County, MO, Henry County, MO

The radar

The Pleasant Hill radar (KEAX), 37 km from the middle of the area, began a volume at 13:04 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

Topeka, KS (KTOP), launched 12:00Z, 1.0 hours before the alert went out and 146 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 12:00Z on 1996-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 1996-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
503 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 051300
FFWMCI
KSC107-121-MOC013-037-083-051700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
800 AM CDT SUN MAY 5 1996

* FLASH FLOOD WARNING FOR
  LINN COUNTY - EAST CENTRAL KANSAS
  MIAMI COUNTY - EAST CENTRAL KANSAS
  BATES COUNTY - WEST CENTRAL MISSOURI
  CASS COUNTY - WEST CENTRAL MISSOURI
  HENRY COUNTY - WEST CENTRAL MISSOURI

* UNTIL NOON CDT
 
* CAUSE AND EFFECT
    AT 755 AM CDT DOPPLER RADAR ESTIMATED INDICATE THAT 1 AND A HALF TO
    2 INCHES OF RAIN HAS FALLEN SINCE 5 AM IN AN AREA FROM OSAGE AND
    OSAWATOMIE IN KANSAS TO NORTH OF CLINTON IN MISSOURI.

* FORECAST CONDITIONS
    ADDITIONAL THUNDERSTORMS ARE EXPECTED TO CONTINUE ACROSS THIS AREA
    OVER THROUGH AT LEAST 10 AM. CREEKS AND STREAMS ARE EXPECTED TO
    RISE RAPIDLY IN THE WARNED AREA FLOODING ROADS AND LOW LYING AREAS.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

PC

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.

NWS Kansas City, MO wrote its last area forecast discussion before this flash flood warning went out at May 5, 2:54 AM CDT, 5 hours 6 minutes earlier.

Area forecast discussion, May 5, 2:54 AM CDT, 5 hours 6 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
255 AM CDT SUN MAY 5 1996

THINGS A LTL MORE TRANQUIL OVR CWA THIS AM...
SFC BNDRY FTHR S AT 07Z OVR XTRM SE KS AND SRN MO. NOT MUCH PROFILER
DATA AVBL BUT APPRS THAT LO LVL JET STILL SOMEWHAT OF A PLAYER THIS AM.
88-D DATA INDICATING SCT RW'S DVLPG ALG H8 WRM FNTL BNDRY OVR XTRM NE
KS AND NW MO. CAPES IN THIS AREA APPR TO BE LESS THAN 1000 J/KG SO SOME
THUNDER PSBL THIS AM HOWEVER WITH DECENT HGHT RISES AT H5 LAST NITE
POINTS TO WARMING ALF AND CAPPING...NOT CONCERNED WITH SGFNT CNVTN
DVLPG THIS AM. 88-D CROSS SECTIONS INDICATING STORM TOPS BET 17K-22K FT.
GRIDDED DATA SHWS WEAK ISENTROPIC LIFT THRU 12Z THEN DECRSG THETA-E
VALUES LTR THIS AM AS WEAK SFC RDG PUNCHES INTO CWA FM NW. ATTM WOULD
LIKE TO GO WITH 40 PERCENT POP FOR SHWRS/TSTMS MAINLY THIS AM ALG AND N
OF STJ MACON LN AND 30 PERCENT POP TDY TO S OF LN. MODELS ALL HINT AT
RAINFREE CONDITIONS TNT WITH LITE NE FLOW THRU BNDRY LYR THEN BRING
MSTR NWRD AGN MON AND MON NITE AS SFC RDG RETREATS TO NE AND MONSOONAL
TYPE SHRT WV MVS INTO SRN PLNS FM SW. THINKING DRY FOR ALL ZNS TNT THEN
REINTRODUCING 30 PERCENT POPS FOR MON AND MON NITE. BASED ON NO SGFNT
CHNG IN AIR MASS PERSISTANCE LKS LIKE A GOOD TEMP FCST AND FWC/FAN IN
THAT NEIGHBORHOOD.

MCI 70/53 21

BODNER

In the hours before

Special weather statement, May 5, 6:00 AM CDT, 2 hours before
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-051200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
600 AM CDT SUN MAY 5 1996

...THUNDERSTORMS ARE LIKELY EARLY THIS MORNING...

FORECAST...STRONG TO SEVERE THUNDERSTORMS THAT HAVE DEVELOPED OVER
CENTRAL KANSAS OVERNIGHT AND ARE CONTINUING TO MOVE EASTWARD. THESE
STORMS WILL MOVE THROUGH THE AREA EARLY THIS MORNING...THEN THE REST OF
THE DAY SHOULD BE DRY. THE STORMS WILL LIKELY PRODUCE LOCALLY HEAVY
RAINS PRODUCING THE POTENTIAL FOR FLOODING. THE MAIN SEVERE WEATHER
THREAT FROM THE STORMS IS LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS.
THE STORMS WILL LIKELY PRODUCE LOCALLY HEAVY RAINS PRODUCING THE
POTENTIAL FOR FLOODING. SPOTTER ACTIVATION MAY BE NECESSARY EARLY THIS
MORNING.

DISCUSSION...A STATIONARY FRONT LOCATED FROM SOUTHERN MISSOURI INTO
PORTIONS OF WESTERN OKLAHOMA COMBINED WITH AN AREA OF LOW PRESSURE
MOVING ALONG THE FRONT IN WESTERN OKLAHOMA WILL ACT AS THE FOCUS FOR
MORE SHOWER AND THUNDERSTORM ACTIVITY EARLY THIS MORNING. STRONG
SOUTHERLY WINDS JUST ABOVE THE SURFACE OF THE GROUND WERE HELPING TO
PUMP MOISTURE INTO THE AREA AIDING IN THE DEVELOPMENT OF THE
PRECIPITATION. AFTER THE STORMS PUSH THROUGH THE AREA THIS MORNING THE
REMAINDER OF THE DAY SHOULD BE DRY.

MJM
Special weather statement, May 5, 6:01 AM CDT, 1 hour 59 minutes before
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-061200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
600 AM CDT SUN MAY 5 1996

...THUNDERSTORMS ARE LIKELY EARLY THIS MORNING...

FORECAST...STRONG TO SEVERE THUNDERSTORMS THAT HAVE DEVELOPED OVER
CENTRAL KANSAS OVERNIGHT AND ARE CONTINUING TO MOVE EASTWARD. THESE
STORMS WILL MOVE THROUGH THE AREA EARLY THIS MORNING...THEN THE REST OF
THE DAY SHOULD BE DRY. THE STORMS WILL LIKELY PRODUCE LOCALLY HEAVY
RAINS PRODUCING THE POTENTIAL FOR FLOODING. THE MAIN SEVERE WEATHER
THREAT FROM THE STORMS IS LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS.
THE STORMS WILL LIKELY PRODUCE LOCALLY HEAVY RAINS PRODUCING THE
POTENTIAL FOR FLOODING. SPOTTER ACTIVATION MAY BE NECESSARY EARLY THIS
MORNING.

DISCUSSION...A STATIONARY FRONT LOCATED FROM SOUTHERN MISSOURI INTO
PORTIONS OF WESTERN OKLAHOMA COMBINED WITH AN AREA OF LOW PRESSURE
MOVING ALONG THE FRONT IN WESTERN OKLAHOMA WILL ACT AS THE FOCUS FOR
MORE SHOWER AND THUNDERSTORM ACTIVITY EARLY THIS MORNING. STRONG
SOUTHERLY WINDS JUST ABOVE THE SURFACE OF THE GROUND WERE HELPING TO
PUMP MOISTURE INTO THE AREA AIDING IN THE DEVELOPMENT OF THE
PRECIPITATION. AFTER THE STORMS PUSH THROUGH THE AREA THIS MORNING THE
REMAINDER OF THE DAY SHOULD BE DRY.

MJM

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 5:57 AM CDTSevere Thunderstorm WarningEAXPlatte48 min
May 5, 7:41 AM CDTSevere Thunderstorm WarningEAXBates, Cass59 min
May 5, 8:00 AM CDTFlash Flood WarningEAXBates4 hr

Nearby

Flash Flood Warnings in Missouri, 1996Every flash flood warning in 1996

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.