Alert archive / Kansas / Flash Flood Warnings in 1996

Flash Flood Warning 32, NWS Kansas City, MO

June 6, 1996Leavenworth County, Wyandotte County, Kansas

NWS Kansas City, MO issued this flash flood warning at Jun 6, 1996, 12:56 AM CDT for Leavenworth County, Wyandotte County, Kansas. It was in force for 3 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: Jun 6, 1996, 12:56 AM CDT (05:56 UTC)
Expired: Jun 6, 1996, 4:00 AM CDT
In force: 3 hr
Issued by: NWS Kansas City, MO
Area: Whole counties

Counties Leavenworth County, KS, Wyandotte County, KS

The radar

The Pleasant Hill radar (KEAX), 67 km from the middle of the area, began a volume at 05:59 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, 5.9 hours before the alert went out and 66 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: 3130 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 975 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 401 m²/s²
Significant tornado parameter: 5.1
Supercell composite: 18.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 060555
FFWMCI
KSC103-209-060900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
1256 AM CDT THU JUN 6 1996

* FLASH FLOOD WARNING FOR
  LEAVENWORTH COUNTY - EAST CENTRAL KANSAS
  WYANDOTTE COUNTY - EAST CENTRAL KANSAS

* UNTIL 400 AM CDT
 
* SOME STREAMS AND RIVERS AFFECTED
    STRANGER CREEK
    WOLF CREEK
    TONGANOXIE CREEK

* CAUSE AND EFFECT
    DOPPLER RADAR ESTIMATES RAINFALL AMOUNTS OF 1 TO 2 INCHES PER
    HOUR WILL FALL IN LEAVENWORTH AND WYANDOTTE COUNTIES THROUGH
    400 AM.

* FORECAST CONDITIONS
    SLOW MOVING THUNDERSTORMS WILL CONTINUE TO PRODUCE HEAVY RAINFALL
    OVER LEAVENWORTH AND WYANDOTTE COUTNIES THROUGH 400 AM.

THE PREVIOUS FLASH FLOOD WARNING FOR THESE COUNTIES HAS BEEN EXTENDED
THROUGH 400 AM.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGER OF FLOODING.

DJV

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 Jun 5, 3:08 PM CDT, 9 hours 48 minutes earlier.

Area forecast discussion, Jun 5, 3:08 PM CDT, 9 hours 48 minutes before

NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
245 PM CDT WED JUN 5 1996

CONVECTION AGAIN MAIN CONCERN. TRW DVLPNG ALG SEWD MVG OUTFLO BNDRY FM
NCNTRL KS TO NWRN MO. LATEST VSBY STLT ALSO SHOWS ANOTHER BNDRY
STRETCHING FM EAST OF KC SE INTO LAKE OF OZARKS. AIRMASS AHD OF
BOUNDARY VERY UNSTABLE WITH LIS -8 TO -10 WITH CAPES 3000-4000 J/KG.
XPCT TRW TO CONTINUE DVLP SE ALONG BOUNDARIES WITH POTENTIAL OF SVR.
BOUNDARIES WL LIKELY BECOME NRLY STNRY WEST TO EAST ACR CENTRAL MO TNGT
AS SFC LO AND 70 KT H3 SPEED MAX ENTER REGION TNGT. INITIALLY XPCT
EXTENSIVE CONVECTION ALONG BOUNDARIES IN GREATEST SMC EARLY TONIGHT WITH
RW/TRW NORTH OF BNDARY IN STG THETAE ADV. AREAS ALG AND NORTH OF
BOUNDARY WL LIKELY SEE HEAVY RAINFALL WITH 1-3 INCHES PSBL ACR MOST OF
CWA. RAINFALL MAY EXCEED FFG...SO WOULD LIKE FFA FOR TNGT ACR CWA.

HEAVY RAINFALL ALSO XPCTD LATER TNGT AS XPCT MCS TO DVLP AHD OF FNT TO
MOVE ACR NWRN AND WNCTRL MO AFT MIDN. PRECIP TO END IN WRN MO EARLY AM
AND BY NOON ACR NCNTRL AND CNTRL MO. GUID TEMPS LOOK OK.

MCI 64/78 83
DB
DJV

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 7:22 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Doniphan	43 min
Jun 5, 7:46 PM CDT	Tornado Warning	EAX	Atchison	44 min
Jun 5, 8:08 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	52 min
Jun 5, 8:35 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth	55 min
Jun 5, 8:43 PM CDT	Tornado Warning	EAX	Leavenworth	47 min
Jun 5, 9:05 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	55 min
Jun 5, 9:14 PM CDT	Severe Thunderstorm Warning	EAX	Wyandotte	61 min
Jun 5, 9:31 PM CDT	Tornado Warning	EAX	Leavenworth, Wyandotte	44 min
Jun 5, 9:46 PM CDT	Tornado Warning	EAX	Johnson	29 min
Jun 5, 10:14 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth, Wyandotte	46 min
Jun 5, 10:19 PM CDT	Flash Flood Warning	EAX	Leavenworth, Wyandotte	3 hr
Jun 5, 10:19 PM CDT	Flash Flood Warning	EAX	Leavenworth, Wyandotte	3 hr
Jun 5, 10:27 PM CDT	Tornado Warning	EAX	Johnson	43 min
Jun 5, 10:42 PM CDT	Severe Thunderstorm Warning	EAX	Miami	48 min
Jun 5, 10:52 PM CDT	Flash Flood Warning	EAX	Johnson	4 hr
Jun 5, 11:00 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	60 min
Jun 5, 11:19 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Miami	56 min
Jun 6, 12:12 AM CDT	Severe Thunderstorm Warning	EAX	Linn	48 min
Jun 6, 12:28 AM CDT	Tornado Warning	EAX	Linn	32 min
Jun 6, 1:00 AM CDT	Flash Flood Warning	EAX	Linn	4 hr
Jun 6, 2:17 AM CDT	Flash Flood Warning	EAX	Johnson	103 min

Nearby

Flash Flood Warnings in Kansas, 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.