Alert archive / Missouri / Flash Flood Warnings in 1996

Flash Flood Warning 11, NWS Kansas City, MO

May 7, 1996Pettis County, Missouri

NWS Kansas City, MO issued this flash flood warning at May 7, 1996, 10:52 AM CDT for Pettis 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 7, 1996, 10:52 AM CDT (15:52 UTC)
Expired
May 7, 1996, 3:00 PM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Pettis County, MO

The radar

The Pleasant Hill radar (KEAX), 85 km from the middle of the area, began a volume at 15:52 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, 3.9 hours before the alert went out and 206 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 1996-05-07Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 1996-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.193958Sfc1 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
471 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
152 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 071552
FFWMCI
MOC159-072000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
1052 AM CDT TUE MAY 7 1996

* FLASH FLOOD WARNING FOR
  PETTIS COUNTY - CENTRAL MISSOURI

* UNTIL 300 PM CDT
 
* SOME STREAMS AND RIVERS AFFECTED
    FLAT CREEK

* CAUSE AND EFFECT
    VERY HEAVY RAINS IN THE SEDALIA AREA ARE CAUSING FLOODING PROBLEMS.
    RADAR ESTIMATES THAT AROUND 2 INCHES OF RAIN HAS FALLEN SINCE
    10 AM...AND THIS HAS CAUSED STREET FLOODING IN SEDALIA...AND
    FLOODING OF HIGHWAY 50.

* FORECAST CONDITIONS
    EXPECT PERIODS OF SHOWERS AND THUNDERSTORMS TO LAST INTO THE
    AFTERNOON...AND THIS WILL CAUSE ADDITIONAL FLOODING PROBLEMS.
    PERSONS ACROSS THE AREA SHOULD WATCH FOR RAPIDLY RISING WATER
    IN CREEKS AND STREAMS.

REMEMBER...DO NOT DRIVE ACROSS FLOODED ROADS!  THE WATER MAY BE
MUCH DEEPER THAN YOU THINK.  MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

WELVAERT
 

&

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 7, 2:54 AM CDT, 7 hours 58 minutes earlier.

Area forecast discussion, May 7, 2:54 AM CDT, 7 hours 58 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
255 AM CDT TUE MAY 7 1996

HERE WE GO AGN...LATEST RAMSDIS LOOPS INDCG MCS DVLPG IN WRN KS ALG
850 BNDRY AHD OF 700 MB SHRTWV MOVG INTO HI PLAINS WITH TRAING ALG
BNDRY IN NRN MO BGN TO DCRS.  'PRE MCS SOAK' RAINFALL AMNTS IN NRN MO
OVR 5 INCHES FM LIVINSTON TO LINN TO MACON COUNTIES.

NGM AND AVN GRIDDED DATA FAIRLY CLOSE AT 12Z IN SHOWG 850 THETA-E RDG
AXIS FM NE KS INTO CNTRL MO WHILE ETA OUT TO LUNCH.  XPC MCS TO DVLP
MORE SWD AND MOV ALG AXIS THRU CWA AFT 600 AM WITH RAINFALL CONTG INTO
AFTN.  PER DISCUSSION WITH STL...EXTDG CVRG OF FFA TDA OVR ENTR CWA
LOOKS GOOD.

ANOTHER SHRTWV THEN IN CONTINUOUS STREAM ROUHGLY 24HRS APART EVIDENT
ALG CA COAST PER 00Z UA.  THO MCS DVLMT TNGT FARTHER N AS SFC FNT
LIFTS INTO NRN MO...STILL XPC DVLPMT AHD OF DRYLINE.

MCI TT 65/61 +6

DJV

In the hours before

Special weather statement, May 7, 6:01 AM CDT, 4 hours 51 minutes before
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-081200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
600 AM CDT TUE MAY 7 1996

...MORE THUNDERSTORMS WITH HEAVY RAIN EARLY THIS MORNING AND LATE
TONIGHT...

FORECAST...A LARGE AREA OF SHOWERS AND THUNDERSTORMS DEVELOPED OVER
WESTERN AND CENTRAL KANSAS OVERNIGHT...AND WILL MOVE THROUGH THE
AREA THIS MORNING. ANOTHER ROUND OF THUNDERSTORMS IS LIKELY TO
DEVELOP TONIGHT. THE BEST THREAT EXTENDS SOUTH OF A ST JOSEPH TO
MACON LINE AND NORTH OF AN OLATHE TO SEDALIA LINE. THE PRIMARY
THREAT IS HEAVY RAINFALL...FURTHER COMPLICATING FLOOD PROBLEMS
ACROSS THE REGION. LARGE HAIL IS ALSO POSSIBLE WITH SOME OF THESE
STORMS...MAINLY ALONG THE SOUTHERN EDGE OF THE ABOVE AREA.

DISCUSSION...AFTER THE ROUND OF SHOWERS AND THUNDERSTORMS THIS
MORNING...STRONG SOUTHERLY WINDS WILL PUSH A WARM FRONT NORTH OF
THE KANSAS CITY AREA TODAY AND TONIGHT. SHOWERS AND THUNDERSTORMS
WILL CONTINUE TO DEVELOP ALONG AND NEAR THIS FRONT AS IT PROGRESSES
NORTHWARD. LOCAL RAINFALL AMOUNTS OF AN ADDITIONAL TWO TO THREE
INCHES ARE LIKELY...WITH GENERAL COVERAGE OF AN INCH OR MORE ACROSS
NORTHEAST KANSAS AND WESTERN MISSOURI.

JHV
Local storm report, May 7, 9:40 AM CDT, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT...
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MISSOURI
940 AM CDT TUE MAY 7 1996

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

1014 PM    1 W BASEHOR               KS   .75 INCH HAIL
05/06/96   LEAVENWORTH                    REPORTED BY  ??

1018 PM    2 NW BASEHOR              KS   1.00 INCH HAIL
05/06/96   LEAVENWORTH                    REPORTED BY ??

1244 AM    4 N BROOKFIELD            MO   FLOODING 05/07/96
05/07/96   LINN                           WATER OVER ROAD AT JCT OF
                                          P AND M HIGHWAYS

1248 AM    NEAR CHILLICOTHE          MO   FLOODING
05/07/96   LIVINGSTON                     HWY 65 PERIODICALLY COVERED
                                          BY HIGH WATER
                                          OLD HWY 190 .25 MILE WEST
                                          OF CHILLICOTHE CLOSED DUE
                                          DUE TO HIGH WATER

1253 AM    WEST OF MACON             MO   FLOODING
05/07/96   MACON                          HIGHWAY 36 CLOSED WEST
                                          OF MACON.  HIGHWAYS PP AND
                                          ALSO 149 CLOSED.  MANY OTHER
                                          RURAL ROADS ALSO CLOSED

0130 AM    KANSAS CITY               MO   LIGHTNING
05/07/96   JACKSON                        STRUCK HOME CAUSING FIRE

0133 AM    NEW CAMBRIA               MO   FLOODING
05/07/96   MACON                          CAR WASHED INTO SMALL CREEK
                                          ALONG HIGHWAY 149.  ONE WOMAN
                                          HAD TO BE RESCUED FROM A TREE

220 AM     KANSAS CITY               KS   FLOODING
05/07/96   WYANDOTTE                      STREET FLOODING IN K.C. KS

0230 AM    WEST OF MACON             MO   FLOODING
05/07/96   MACON                          HIGHWAY 36 STILL CLOSED.
                                          EASTBOUND LANES 2 FEET UNDER
                                          WATER

0230 AM    MACON                     MO   FLOODING
05/07/96   MACON                          STREET FLOODING IN MACON.
                                          HIGHWAY 63 ON NORTH SIDE OF
                                          MACON HAS WATER OVER IT.

0300 AM    BROOKFIELD                MO   FLOODING
05/07/96   LINN                           POLICE EVACUATING PARTS OF
                                          CITY DUE TO HIGH WATER

0300 AM    1 W CHILLICOTHE           MO   FLOODING
05/07/96   LIVINGSTON                     HIGHWAY 190 STILL CLOSED

0405 AM    MACON                     MO   FLOODING
05/07/96   MACON                          7 HOMES EVACUATED DUE TO
                                          HIGH WATER

0418 AM    1 W BROOKFIELD            MO   FLOODING
05/07/96   LINN                           HIGHWAY 36 CLOSED DUE TO
                                          HIGH WATER
Local storm report, May 7, 10:20 AM CDT, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
1020 AM CDT TUE MAY 7 1996

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

0910 AM    2 S STILLWELL             KS   .75 INCH HAIL
05/07/96   JOHNSON

0913 AM    LEAVENWORTH               KS   .75 INCH HAIL
05/07/96   LEAVENWORTH

0935 AM    BOONVILLE                 MO   FLOODING
05/07/96   COOPER                         STREET FLOODING

0943 AM    1 S STILLWELL             KS   FLOODING
05/07/96   JOHNSON                        WATER OVER ROAD AT
                                          194TH AND METCAdLF

WELVAERT

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 9:24 PM CDTFlash Flood WarningEAXLinn, Livingston4 hr
May 6, 11:20 PM CDTFlash Flood WarningEAXMacon4 hr
May 7, 1:28 AM CDTFlash Flood WarningEAXLinn, Livingston3 hr
May 7, 2:45 AM CDTFlash Flood WarningEAXMacon2 hr
May 7, 8:43 AM CDTFlash Flood WarningEAXCooper3 hr
May 7, 11:33 AM CDTFlash Flood WarningEAXCooper, Howard3 hr
May 7, 12:49 PM CDTFlash Flood WarningEAXRandolph3 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.