Alert archive / Missouri / Flash Flood Warnings in 1998

Flash Flood Warning 52, NWS Kansas City, MO

October 4, 1998Cass County, Missouri

NWS Kansas City, MO issued this flash flood warning at Oct 4, 1998, 10:12 PM CDT for Cass 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Oct 4, 1998, 10:12 PM CDT (03:12 UTC)
Expired: Oct 5, 1998, 2:15 AM CDT
In force: 4 hr
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Cass County, MO

The radar

The Pleasant Hill radar (KEAX), 24 km from the middle of the area, began a volume at 03:12 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 00:00Z, 3.2 hours before the alert went out and 115 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1167 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: -75 m²/s²
0-3 km storm-relative helicity: -237 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 KMCI 050314
FFWMCI
MOC037-050715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY-PLEASANT HILL MO
1012 PM CDT SUN OCT 4 1998

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

   * FLASH FLOOD WARNING FOR...
     CASS COUNTY IN MISSOURI
     INCLUDING HARRISONVILLE

   * UNTIL 215 AM CDT

   * AT 1012 PM CDT WEATHER SERVICE DOPPLER RADAR INDICATED 
   THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL ACROSS MUCH OF CASS 
   COUNTY. RAINFALL AMOUNTS OF UP TO 3 INCHES ARE LIKELY...IN 
   ADDITION TO THE VERY HEAVY RAINS WHICH FELL EARLIER TODAY. THIS 
   WILL RESULT IN FLASH FLOODING ACROSS THE COUNTY.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

LAT...LON 3850 9459 3850 9412 3881 9416 3881 9458

BUNTING

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 Oct 4, 3:00 PM CDT, 7 hours 12 minutes earlier.

Area forecast discussion, Oct 4, 3:00 PM CDT, 7 hours 12 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
300 PM CDT SUN OCT 4 1998

WL NEED FFW TNGT FOR LRG PTN OF CWA. HVY RAINS FROM MRNG MCS OVR W
CNTRL MO/E CNTRL KS AND MORE HVY RAIN ON THE WAY FM DVLPG KS CNVTN
POINT TO POTNL FLASH FLOOD PROBLEMS TNGT. OTHR CONCERN IS
POSSIBILITY OF SVR. AMS RECOVERY THE BIG KEY IF WE CAN GET SVR IN
CWA TNGT. 18Z LAPS DATA HAS INSTABILITY GRADIENT HUGGING EXTRM SRN
BORDER OF CWA. MCS HAS REINFORCED WARM FRONT...KEEPING IT FROM
MAKING A NORTHWARD MOVE SO FAR. EXPCT THIS BNDRY TO MOVE SLOWLY
NORTH TNGT AND PERHAPS BEST SVR THREAT CONFINED TO NR THIS BNDRY.
HOWEVR...STG DYNAMIC SYS WILL LIKELY GET (IN THE WORDS OF STL FCSTR)
"RIP SNORTING SQUALL LINE" TO MOVE ACROSS AREA LTR TNGT. LATEST WV
IMAGERY SHOWING THE STG MID/UPR LVL JET MAX PUSHING INTO CNTRL
PLAINS...WITH STG TSTMS RAPIDLY DVLPG OVR CNTL KS. WIND PROFILES
QUITE FAVORABLE FOR SVR WITH NEODESHA PROFILER SHOWING 50 KTS FROM
850 TO 500. NMRS WARNINGS NOW COMING IN FM KS AND NEB SO IT LOOKS
LIKE SVR OUTBREAK UNDERWAY.

LONGER TERM....ETA SEEMS TO FAST WITH MVG SYS EAST WHILE AVN MAYBE A
TAD TO SLOW. MAIN GIST AT THIS TIME IS TO KP PCPN GOING THROUGH
MONDAY...TAPERING OFF FM WEST TO EAST AND THEN BRINGING PCPN BACK
INTO THE FCST AS UPR LOW DUMBBELLS BACK INTO THE AREA. MRF SHOWING
UNSETTLED WX FOR EXTND PD

FCSTID = 54

.EAX...
MO...FLASH FLOOD WATCH FOR TONIGHT FOR ZONES MOZ001>00R5...
MOZ011>014...MOZ020>022...MOZ028>030...MOZ037>038...MOZ043>045...
MOZ053>054.

KS...FLASH FLOOD WATCH FOR TONIGHT FOR ZONES KSZ025...KSZ057...
KSZ060...KSZ102>105.

In the hours before

Local storm report, Oct 4, 5:34 PM CDT, 4 hours 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
534 PM CDT SUN OCT 04 1998

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0308 PM    LEES SUMMIT               MO    FLOOD
10/04/98   JACKSON                         PEOPLE EVACUATED FROM
                                           BASEMENT APARTMENTS IN
                                           LEES SUMMIT

0420 PM    LEES SUMMIT               MO    FLOOD
10/04/98   JACKSON                         WATER UP TO DOORS ON
                                           CARS ON 3RD STREET

0455 PM    2 E HIGGINSVILLE          MO    1.75 INCH HAIL
10/04/98   LAFAYETTE

0515 PM    CARROLLTON                MO    .75 INCH HAIL
10/04/98   CARROLL

0515 PM    CARROLLTON                MO    FLOOD
10/04/98   CARROLL                         WATER RUNNING 2 FEET
                                           DEEP OVER STREETS IN
                                           DOWNTOWN CARROLLTON

Local storm report, Oct 4, 5:34 PM CDT, 4 hours 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
534 PM CDT SUN OCT 04 1998

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0308 PM    LEES SUMMIT               MO    FLOOD
10/04/98   JACKSON                         PEOPLE EVACUATED FROM
                                           BASEMENT APARTMENTS IN
                                           LEES SUMMIT

0420 PM    LEES SUMMIT               MO    FLOOD
10/04/98   JACKSON                         WATER UP TO DOORS ON
                                           CARS ON 3RD STREET

0455 PM    2 E HIGGINSVILLE          MO    1.75 INCH HAIL
10/04/98   LAFAYETTE

0515 PM    CARROLLTON                MO    .75 INCH HAIL
10/04/98   CARROLL

0515 PM    CARROLLTON                MO    FLOOD
10/04/98   CARROLL                         WATER RUNNING 2 FEET
                                           DEEP OVER STREETS IN
                                           DOWNTOWN CARROLLTON

Local storm report, Oct 4, 7:26 PM CDT, 2 hours 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
726 PM CDT SUN OCT 04 1998

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATDION....

0718 PM    GALLATIN                  MO    1 INCH HAIL
10/04/98   DAVIESS

Local storm report, Oct 4, 7:26 PM CDT, 2 hours 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
726 PM CDT SUN OCT 04 1998

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATDION....

0718 PM    GALLATIN                  MO    1 INCH HAIL
10/04/98   DAVIESS

Local storm report, Oct 4, 8:14 PM CDT, 1 hour 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
814 PM CDT SUN OCT 04 1998

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0735 PM    10 NW TRENTON             MO    .75 INCH HAIL
10/04/98   GRUNDY

0737 PM    TRENTON                   MO    .75 INCH HAIL
10/04/98   GRUNDY

0746 PM    TRENTON                   MO    70 MPH TSTM GUST
10/04/98   GRUNDY

0754 PM    2 E LAREDO                MO    WIND DAMAGE
10/04/98   GRUNDY                          HIGHWAY SIGN BLOWN INTO
                                           ROAD NEAR LAREDO. LARGE
                                           TREE ALSO BLOWN DOWN.

Local storm report, Oct 4, 8:14 PM CDT, 1 hour 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
814 PM CDT SUN OCT 04 1998

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0735 PM    10 NW TRENTON             MO    .75 INCH HAIL
10/04/98   GRUNDY

0737 PM    TRENTON                   MO    .75 INCH HAIL
10/04/98   GRUNDY

0746 PM    TRENTON                   MO    70 MPH TSTM GUST
10/04/98   GRUNDY

0754 PM    2 E LAREDO                MO    WIND DAMAGE
10/04/98   GRUNDY                          HIGHWAY SIGN BLOWN INTO
                                           ROAD NEAR LAREDO. LARGE
                                           TREE ALSO BLOWN DOWN.

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 4, 7:12 PM CDT	Flash Flood Warning	EAX	Clay, Jackson	4 hr
Oct 4, 7:13 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess	47 min
Oct 4, 7:36 PM CDT	Severe Thunderstorm Warning	EAX	Grundy	39 min
Oct 4, 7:41 PM CDT	Severe Thunderstorm Warning	EAX	Harrison, Mercer	49 min
Oct 4, 7:51 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Sullivan	39 min
Oct 4, 8:05 PM CDT	Flash Flood Warning	EAX	Ray	4 hr
Oct 4, 9:04 PM CDT	Flash Flood Warning	EAX	Carroll	4 hr
Oct 4, 9:28 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Lafayette, Ray	47 min
Oct 4, 9:49 PM CDT	Flash Flood Warning	EAX	Platte	2 hr
Oct 4, 9:56 PM CDT	Flash Flood Warning	EAX	Buchanan	3 hr
Oct 4, 9:56 PM CDT	Flash Flood Warning	EAX	Andrew	3 hr
Oct 4, 10:57 PM CDT	Flash Flood Warning	EAX	Clay, Jackson, Platte	4 hr
Oct 4, 11:57 PM CDT	Flash Flood Warning	EAX	Carroll, Chariton, Ray	4 hr

Nearby

Flash Flood Warnings in Missouri, 1998 Every flash flood warning in 1998

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.