Alert archive / Missouri / Flash Flood Warnings in 1996

Flash Flood Warning 16, NWS Kansas City, MO

May 8, 1996Sullivan County, Missouri

NWS Kansas City, MO issued this flash flood warning at May 8, 1996, 6:52 AM CDT for Sullivan 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, 6:52 AM CDT (11:52 UTC)
Expired: May 8, 1996, 12:50 PM CDT
In force: 6 hr
Issued by: NWS Kansas City, MO
Area: Whole counties

County Sullivan County, MO

The radar

The Des Moines radar (KDMX), 177 km from the middle of the area, began a volume at 11:35 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, 11.9 hours before the alert went out and 255 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 081152
FFWMCI
MOC211-081750-

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

* FLASH FLOOD WARNING FOR
  SULLIVAN COUNTY - NORTH CENTRAL MISSOURI

* UNTIL 100 PM CDT
 
* SOME STREAMS AND RIVERS AFFECTED
    LOCUST RIVER
    MUSSEL FORK CREEK
    YELLOW CREEK
    MEDICINE CREEK

* CAUSE AND EFFECT
    SLOW MOVING THUNDERSTORMS HAVE DEVELOPED ACROSS SULLIVAN COUNTY
    SINCE 530 AM. ADDITIONAL STORMS TO THE WEST WILL REPEATEDLY MOVE
    OVER THE SAME AREAS AND MAINTAIN FLASH FLOODING ACROSS THE REGION
    INTO THE EARLY AFTERNOON. SINCE 530 AM RADAR ESTIMATES 2 TO 3
    INCHES OF RAIN HAS FALLEN FROM TRENTON TO MILAN

* FORECAST CONDITIONS
    AREA STREAMS AND RIVERS WILL QUICKLY RISE OUT OF THEIR BANKS THIS
    MORNING AND CAUSE FLASH FLOODING OF LOW LYING AREAS AND NEARBY
    STREETS AND ROADS.

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 32 minutes earlier.

Area forecast discussion, May 8, 2:20 AM CDT, 4 hours 32 minutes 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, 44 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

Special weather statement, May 8, 6:42 AM CDT, 10 minutes before

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-091200-

HAZARDOUS WEATHER OUTLOOK...DELAYED TRANSMISSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
645 AM CDT WED MAY 8 1996

...SEVERE THUNDERSTORM WATCH NUMBER IN EFFECT FOR NORTH AND NORTH
CENTRAL
MISSOURI UNTIL NOON...
...FLASH FLOOD WATCH IN EFFECT FOR NORTH THIRD OF MISSOURI TODAY...

FORECAST...SCATTERED SHOWERS AND THUNDERSTORMS...WITH THE POTENTIAL
FOR DAMAGING FOR WINDS AND HAIL CAN BE EXPECTED ACROSS THE NORTH
THIRD OF MISSOURI THIS MORNING...MAINLY NORTH OF A ST.
JOSEPH...WARRENSBURG...BOONEVILLE LINE. THESE THUNDERSTORMS WILL
ALSO PRODUCE LOCALLY HEAVY RAINFALL AMOUNTS THIS MORNING...WITH
FLASH FLOODING LIKELY TO OCCUR MAINLY NORTH OF A ST. JOSEPH TO
MACON LINE.

SCATTERED SHOWERS AND THUNDERSTORMS SHOULD DIMINISH DURING THE
AFTERNOON AND EVENING...BUT RE-DEVELOP TONIGHT. THESE THUNDERSTORMS
MAY ALSO PRODUCE DAMAGING WINDS AND HAIL...MAINLY NORTH OF A ST.
JOSEPH TO MACON LINE. HEAVY...POTENTIAL FLOODING RAINS MAY ALSO BE
EXPECTED WITH THESE STORMS.

DISCUSSION...A LARGE COMPLEX OF SHOWERS AND THUNDERSTORMS WILL MOVE
EAST-SOUTHEAST THIS MORNING ACROSS PARTS OF NORTHWEST AND NORTH
CENTRAL MISSOURI. THESE THUNDERSTORMS ARE MOVING ALONG AN UPPER
LEVEL BOUNDARY...WITH THE POTENTIAL FOR DAMAGING WINDS AND HAIL.
THE UPPER LEVEL BOUNDARY WILL GRADUALLY MOVE NORTH DURING THE DAY
AND EVENING...MOVING THE THREAT FOR SEVERE WEATHER AND FLOODING
SLIGHTLY TO THE NORTH WHEN THUNDERSTORMS AGAIN RE-DEVELOP
TONIGHT...MAINLY AFTER 10 PM.

SMITH

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, 6:21 AM CDT	Flash Flood Warning	EAX	Daviess, Grundy	6 hr
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, 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; radar from the NEXRAD Level II archive.