Alert archive / Kansas / Flash Flood Warnings in 1996
Flash Flood Warning 9, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at May 7, 1996, 8:20 AM CDT for Johnson County, Kansas. 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, 8:20 AM CDT (13:20 UTC)
- Expired
- May 7, 1996, 12:20 PM CDT
- In force
- 4 hr
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Johnson County, KS
The radar
The Pleasant Hill radar (KEAX), 49 km from the middle of the area, began a volume at 13:20 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, 1.3 hours before the alert went out and 72 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCI 071320
FFWMCI
KSC091-071720-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
820 AM CDT TUE MAY 7 1996
* FLASH FLOOD WARNING FOR
JOHNSON COUNTY - EAST CENTRAL KANSAS
* UNTIL 1220 PM CDT
* SOME STREAMS AND RIVERS AFFECTED
INDIAN CREEK
TURKEY CREEK
* CAUSE AND EFFECT
VERY HEAVY RAINS HAVE FALLEN ACROSS THE COUNTY...WITH DOPPLER RADAR
ESTIMATES UP TO 2 INCHES IN ONE HOUR. EXPECT RIVERS AND CREEKS TO
BE RISING QUICKLY WITH THE SATURATED GROUND AND HEAVY RAINFALL.
SOME ROADWAYS MAY ALSO BE FLOODED.
* FORECAST CONDITIONS
THE JOHNSON COUNTY SHERIFF REPORTS 56 HIGHWAY ON THE WEST SIDE OF
OLATHE HAS WATER OVER THE ROADWAY. THE STORM IS MOVING NORTHEAST
RIGHT ALONG I-35...AND THIS SHOULD HELP INDIAN CREEK AND TURKEY
CREEK TO RISE QUICKLY.
DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.
WELVAERT
v&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, 5 hours 26 minutes earlier.
Area forecast discussion, May 7, 2:54 AM CDT, 5 hours 26 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, 2:46 AM CDT, 5 hours 34 minutes before
KSZ057-060-103>105-MOZ028-029-037-043-053-070830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 246 AM CDT TUE MAY 7 1996 ...THE SEVERE THUNDERSTORM WATCH NUMBER 309 CANCELLED FOR THE KANSAS CITY METRO AND SOUTH OF THE METRO... THE SEVERE THUNDERSTORM THAT WAS IN EFFECT UNTIL 4AM HAS BEEN CANCELLED FOR THE FOLLOWING KANSAS AND MISSOURI COUNTIES... LEAVENWORTH...PLATTE....WYANDOTTE...CLAY....JOHNSON ...JACKSON...MIAMI...CASS...BATES...LINN ALTHOUGH THE SEVERE THREAT HAS ENDED FOR THE NEXT FEW HOURS...REDEVELOPMENT OF SEVERE STORMS IN CENTRAL KANSAS WILL LIKELY AFFECT THE METRO AREA AGAIN BETWEEN 5AM AND 8AM. STAY TUNED TO NOAA WEATHER RADIO...COMMERtICIAL RADIO AND TELEVISION FOR FURTHER WEATHER UPDATES. SMITH
Special weather statement, May 7, 3:28 AM CDT, 4 hours 52 minutes before
MOZ030>033-038>040-044>046-054-070915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 325 AM CDT TUE MAY 7 1996 ...SEVERE THUNDERSTORM WATCH NUMBER 309 CANCELLED FOR PART OF WEST CENTRAL AND NORTHWEST MISSOURI... THE FOLLOWING COUNTIES ARE NO LONGER IN THE SEVERE THUNDERSTORM WATCH NUMBER 309... RAY...CARROLL...CHARITON...RANDOLPH...LAFAYETTE...SALINE...HOWARD ...JOHNSON...PETTIS...COOPER...HENRY THE THREAT OF SEVERE WEATHER HAS DIMINISHED ACROSS THE AREA DURING THE PAST HOUR. ANOTHER AREA OF SHOWERS AND THUNDERSTORMS ARE MOVING EASTWARD ACROSS CENTRAL KANSAS...AND WILL LIKELY MOVE BACK ACROSS THE AREA BETWEEN 7AM AND 10AM THIS MORNING. SOME OF THESE STORMS MAY BECOME SEVERE. STAY TUNED TO NOAA WEATHER RADIO...COMMERICIAL RADIO AND TELEVISION FOR ANY FURTHER WEATHER UPDATES...WATCHES OR WARNINGS. SMITH
Special weather statement, May 7, 6:01 AM CDT, 2 hours 19 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
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 10:04 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth | 46 min |
| May 7, 12:16 AM CDT | Flash Flood Warning | EAX | Linn | 118 min |
| May 7, 7:01 AM CDT | Severe Thunderstorm Warning | EAX | Johnson, Miami | 59 min |
Nearby
Flash Flood Warnings in Kansas, 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.