Alert archive / Kansas / Flash Flood Warnings in 1986

Flash Flood Warning 2, NWS Wichita, KS

September 29, 1986Cowley County, Kansas

NWS Wichita, KS issued this flash flood warning at Sep 29, 1986, 10:40 PM CDT for Cowley County, Kansas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 29, 1986, 10:40 PM CDT (03:40 UTC)
Expired
Sep 30, 1986, 3:00 AM CDT
In force
4 hr
Issued by
NWS Wichita, KS
Area
Whole counties

County Cowley County, KS

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Ok Cty/Will Rgrs, OK (KOKC), launched 00:00Z, 3.7 hours before the alert went out and 216 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, Ok Cty/Will Rgrs, OK at 00:00Z on 1986-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1549 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Ok Cty/Will Rgrs, OK at 00:00Z on 1986-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 361 square meters per square second.19395878Sfc1 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
1549 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
570 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
361 m²/s²
0-3 km storm-relative helicity
384 m²/s²
Significant tornado parameter
0.0
Supercell composite
14.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Sep 29, 7:40 PM CDT, 3 hours before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION
NATIONAL WEATHER SERVICE WICHITA KS
735 PM CDT MON SEP 29 1986

...A TORNADO WATCH IS IN EFFECT UNTIL 1000 PM FOR A SMALL PART OF
SOUTHWEST AND SOUTH CENTRAL KANSAS...WICHITA NOT INCLUDED...

...A FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF EASTERN KANSAS
   TONIGHT...

AT 730 PM...PRECIPITATION CONTINUED TO DECREASE IN INTENSITY ACROSS
KANSAS BUR ONLY FOR A SHORT TIME. THUNDERSTORMS HAD INCREASED RAPIDLY
OVER PARTS OF OKLAHOMA AND THESE WILL BE MOVING INTO THE SOUTHERN
PARTS OF KANSAS BETWEEN 830 AND 900 PM. AT THE PRESENT DIRECTION
AND SPEED OF MOVEMENT...THESE STORMS COULD CROSS THE KANSAS/OKLAHOMA
BORDER NEAR ANTHONY AND CALDWELL.

THE STORMS ARE CAPABLE OF PRODUCING HAIL...STRONG WINDS AND HEAVY
RAIN AS THEY MOVE NORTHEAST 35 TO 40 MILES AN HOUR.
WILSON
Special weather statement, Sep 29, 7:58 PM CDT, 2 hours 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
755 PM CDT MON SEP 29 1986

...HEAVY RAINS FELL MUCH OF SOUTH CENTRAL AND SOUTHEAST KANSAS...

RAINFALLS OF THREE TO FIVE AND ONE HALF INCHES HAVE FALLEN OVER MUCH OF
SOUTH CENTRAL AND SOUTHEAST KANSAS SINCE MIDNIGHT. THREE OR MORE INCHES
OF RAIN FELL OVER KANSAS GENERALLY SOUTH OF A LINE FROM JUST SOUTH OF
WICHITA TO NEAR AUGUSTA TO NEAR TORONTO RESERVOIR TO NEAR IOLA TO JUST
WEST OF PITTSBURG KANSAS. SOME HEAVIER AMOUNTS INCLUDE 5.07 INCHES AT
WINFILED... 5.73 INCHES AT ELGIN  5.77 INCHES AT LONGTON IN ELK COUNTY
...5.11 INCHES AT HUMBOLT IN ALLEN COUNTY.

A FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF SOUTH CENTRAL AND SOUTHEAST
KANSAS TONIGHT. CREEK AND SMALL STREAM FLOODING IS IN PROGRESS OVER MUCH
OF THE AREA WITH THE HEAVIER RAINFALL...CAUSING FLOODING ON MANY
SECONDARY ROADS. MOTORIST SHOULD NOT ENTER WATER COVERING ROADWAYS.

SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS SOUTH CENTRAL AND SOUTHEAST
KANSAS TONIGHT...PERSONS IN THE AFFECTED AREAS SHOULD BE ALERT FOR
FURTHER WARNINGS AND STATMENTS.
ELAND
Special weather statement, Sep 29, 8:38 PM CDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WICHITA KS
835 PM CDT MON SEP 29 1986

...A TORNADO WATCH IS IN EFFECT UNTIL 1000 PM FOR A SMALL PART OF
SOUTHWEST AND SOUTH CENTRAL KANSAS...WICHITA NOT INCLUDED...

...A FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF EASTERN KANSAS
   TONIGHT...

AT 830 PM...SCATTERED THUNDERSTORMS CONTAINING VERY HEAVY RAINS HAD
ONCE AGAIN MOVED INTO SOUTH CENTRAL KANSAS MAINLY IN HARPER COUNTY.
THESE STORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR AND WILL DUMP
RAIN OVER ALLREADY SATURATED GROUND. THIS WILL COMPOUND THE RUNOFF
PROBLEMS BEING EXPERIENCED ACROSS SOUTH CENTRAL AND SOUTHEAST KANSAS.
THE HEAVIEST STORMS...IN ADDITION TO DROPPING VERY HEAVY RAINS...WERE
ALSO CAPABLE OF PRODUCING VERY STRONG WINDS.

RAIN AND ISOLATED THUNDERSTORMS WERE STILL OCCURRING OVER MUCH OF
THE SOUTHEAST QUARTER OF KANSAS AS WELL AS THE NORTHERN PARTS OF
OKLAHOMA. THIS PRECIPITATION WAS MOVING TO? THE NORTHEAST AT
20 TO 25 MILES AN HOUR.
WILSON
Special weather statement, Sep 29, 9:38 PM CDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WICHITA KS
937 PM CDT MON SEP 29 1986

...A TORNADO WATCH IS IN EFFECT UNTIL 1000 PM FOR A SMALL PART OF
SOUTHWEST AND SOUTH CENTRAL KANSAS...WICHITA NOT INCLUDED...

...A FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF EASTERN KANSAS
   TONIGHT...

AT 930 PM...SCATTERED THUNDERSTORMS CONTAINING VERY HEAVY RAINS
WERE IN A NARROW BAND OVER SOUTH CENTRAL KANSAS. THESE WERE FROM
15 MILES SOUTH OF AUGUSTA TO 25 MILES SOUTHEAST OF WICHITA. VERY
STRONG WINDS MAY ALSO ACCOMPANY THE HEAVIEST STORMS.

OTHER SHOWERS AND THUNDERSTORMS COVERED CENTRAL...SOUTH CENTRAL AND
PARTS OF SOUTHEAST KANSAS AS WELL AS THE NORTHERN HALF OF OKLAHOMA.}

PRECIPITATON WAS MOVING TO THE NORTHEAST AT 40 MILES AN HOUR.
WILSON
Special weather statement, Sep 29, 9:39 PM CDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WICHITA KS
937 PM CDT MON SEP 29 1986

...A FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF EASTERN KANSAS
   TONIGHT...

AT 930 PM...SCATTERED THUNDERSTORMS CONTAINING VERY HEAVY RAINS
WERE IN A NARROW BAND OVER SOUTH CENTRAL KANSAS. THESE WERE FROM
15 MILES SOUTH OF AUGUSTA TO 25 MILES SOUTHEAST OF WICHITA. VERY
STRONG WINDS MAY ALSO ACCOMPANY THE HEAVIEST STORMS.

OTHER SHOWE~RS AND THUNDERSTORMS COVERED CENTRAL...SOUTH CENTRAL AND
PARTS OF SOUTHEAST KANSAS AS WELL AS THE NORTHERN HALF OF OKLAHOMA.

PRECIPITATON WAS MOVING TO THE NORTHEAST AT 40 MILES AN HOUR.
WILSON
Special weather statement, Sep 29, 10:39 PM CDT, 1 minute before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WICHITA KS
1038 PM CDT MON SEP 29 1986

...A FLASH FLOOD WATCH IS IN EFFECT FOR MOST OF EASTERN KANSAS
   TONIGHT...

AT 1030 PM...SCATTERED THUNDERSTORMS CONTAINING VERY HEAVY RAINS
WERE LOCATED IN A SMALL CLUSTER OVER SOUTH CENTRAL KANSAS 50 MILES
EAST-SOUTHEAST OF WICHITA. VERY STRONG WINDS MAY ALSO ACCOMPANY THE
HEAVIEST STORMS.

KEEP IN MIND THAT OVER SOME AREAS OF SOUTH CENTRAL KANSAS...HEAVY
RAINS ARE FALLING ON ALLREADY SATURATED GROUND AND RIVERS AND
STREAMS WILL CONTINUE TO RISE...SOME AT A VERY FAST RATE.

OTHER SHOWERS AND THUNDERSTORMS COVERED CENTRAL...SOUTH CENTRAL AND
PARTS OF SOUTHEAST KANSAS AS WELL AS THE NORTHERN HALF OF OKLAHOMA.

THE OVERALL AREA OF PRECIPITATION WAS MOVING EAST AT 15 MILES AN
HOUR WHILE THE INDIVIDUAL STORMS WERE MOVING EAST-NORTHEAST 35
MILES AN HOUR.
WILSON

Nearby

Flash Flood Warnings in Kansas, 1986Every flash flood warning in 1986

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.