Alert archive / Missouri / Flash Flood Warnings in 1996

Flash Flood Warning 15, NWS Kansas City, MO

May 8, 1996Daviess County, Grundy County, Missouri

NWS Kansas City, MO issued this flash flood warning at May 8, 1996, 6:21 AM CDT for Daviess County, Grundy County, Missouri. It was in force for 6 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 8, 1996, 6:21 AM CDT (11:21 UTC)
Expired: May 8, 1996, 12:20 PM CDT
In force: 6 hr
Issued by: NWS Kansas City, MO
Area: Whole counties

Counties Daviess County, MO, Grundy County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 11.4 hours before the alert went out and 197 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: 91 J/kg
Mixed-layer CIN: -293 J/kg
Mixed-layer LCL: 618 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 239 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 081122
FFWMCI
MOC061-079-081720-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
621 AM CDT WED MAY 8 1996

* FLASH FLOOD WARNING FOR
  NORTHERN DAVIESS COUNTY - NORTHWEST MISSOURI
  GRUNDY COUNTY - NORTH CENTRAL MISSOURI

* UNTIL 1200 PM CDT
 
* SOME STREAMS AND RIVERS AFFECTED
    THOMPSON
    WELDON RIVER
    MEDICINE CREEK

* CAUSE AND EFFECT
    SLOW MOVING STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL
    WILL CONTINUE ACROSS NORTHEAST DAVIESS AND GRUNDY COUNTIES
    THROUGH 730 AM. ADDITIONAL STRONG THUNDERSTORMS ALSO PRODUCING VERY
    HEAVY RAINS OVER NORTHWEST MISSOURI WILL MOVE EAST INTO THE
    REGION AROUND 8 AM. THESE STORMS WILL THEN MOVE OVER THE SAME AREA
    WHICH HAS RECEIVED HEAVY RAINS OF AROUND 1 3/4 INCHES SINCE 430
    AM AND CONTINUE THE FLASH FLOODING PROBLEMS.

* FORECAST CONDITIONS
    AREA RIVERS AND STREAMS WILL QUICKLY RISE OUT OF THEIR BANKSp AND
    PRODUCE FLASH FLOODING. LOCAL STREETS AND HIGHWAYS MAY ALSO BECOME
    COVERED WITH HIGH WATER WHERE THE RIVERS CROSS THEM.

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

VEENEMAN/JULY

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 8, 2:20 AM CDT, 4 hours 1 minute earlier.

Area forecast discussion, May 8, 2:20 AM CDT, 4 hours 1 minute before

NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
220 AM CDT WED MAY 8 1996

STG/PSBLY SVR CNVCTN JUST STARTING TO POP ALONG IA/NE/MO BORDER.
OTR PCPN IN AREA ALSO INCR IN INTENSITY. AVN FASTEST WITH MCS
MOTION...WITH NGM SLOWER AND ETA SLOWEST OF ALL. LLVL JET INCRG AS
ADVERTISED...BUT NOT AS CNVRGNT AS XPTCD. WRM 7H TMPS ALSO SEEM TO
BE PLAYING A PART IN CNVCTN INHIBITION.

ERY INDICATIONS ARE THAT THIS ROUND OF TRW SHUD STAY N OF AREAS HIT
YDAY AND THE DAY BEFORE /...AND THE DAY BEFORE...AND.../ SO FF
THREAT ISNT AS GREAT AS IT COULD BE. FFA STILL QUITE RSNBL.

BY THIS AFTN THE WRMFNT SHUD BE N OF FA...ALLOWING THICK SOUPY AIR
INTO THE RGN. WITH HI PROGD CAPES AND STG LLVL SHR WE MAY ACTUALLY
GET DAYLIGHT SVR CNVCTN. WL HAVE TO WATCH FOR LLVL MSTR INFLOW THIS
AM AND SEE HOW MUCH EFFECT THIS MORNINGS CNVCTN HAS ON WRMFNT MVMT.

GUID TEMPS MAY BE A BIT UNDERDONE TDY...BUT GVN RECENT TREND WL NOT
STRAY TOO FAR.

MCI EB 82/65 55

JHV

In the hours before

Local storm report, May 8, 6:08 AM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MISSOURI
609 AM CDT WED MAY 08 1996

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

0535 AM    TRENTON                   MO   1.00 INCH HAIL
05/08/96   GRUNDY                         REPORTED BY RADIO
                                          STATION

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 9:01 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard	44 min
May 7, 10:10 PM CDT	Severe Thunderstorm Warning	EAX	Macon	40 min
May 8, 2:50 AM CDT	Severe Thunderstorm Warning	EAX	Clinton, DeKalb	45 min
May 8, 5:23 AM CDT	Severe Thunderstorm Warning	EAX	Grundy	62 min
May 8, 6:02 AM CDT	Flash Flood Warning	EAX	Atchison, Holt, Nodaway	4 hr
May 8, 6:08 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Holt, Nodaway	52 min
May 8, 6:27 AM CDT	Severe Thunderstorm Warning	EAX	Gentry	48 min
May 8, 6:35 AM CDT	Severe Thunderstorm Warning	EAX	DeKalb	55 min
May 8, 6:52 AM CDT	Flash Flood Warning	EAX	Sullivan	6 hr
May 8, 7:03 AM CDT	Severe Thunderstorm Warning	EAX	Daviess	57 min
May 8, 7:22 AM CDT	Flash Flood Warning	EAX	Linn, Livingston	6 hr
May 8, 7:26 AM CDT	Severe Thunderstorm Warning	EAX	Linn, Sullivan	49 min
May 8, 7:58 AM CDT	Severe Thunderstorm Warning	EAX	Platte	62 min
May 8, 8:15 AM CDT	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon, Sullivan	60 min
May 8, 8:18 AM CDT	Flash Flood Warning	EAX	Macon	5 hr
May 8, 8:22 AM CDT	Severe Thunderstorm Warning	EAX	Jackson	68 min
May 8, 8:22 AM CDT	Severe Thunderstorm Warning	EAX	Clay	68 min
May 8, 8:53 AM CDT	Severe Thunderstorm Warning	EAX	Lafayette	67 min

Nearby

Flash Flood Warnings in Missouri, 1996 Every 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.