Alert archive / Kansas / Flash Flood Warnings in 1990

Flash Flood Warning 17, NWS Topeka, KS

June 9, 1990Coffey County, Kansas

NWS Topeka, KS issued this flash flood warning at Jun 9, 1990, 1:39 AM CDT for Coffey County, Kansas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 9, 1990, 1:39 AM CDT (06:39 UTC)
Expired
Jun 9, 1990, 5:45 AM CDT
In force
4 hr
Issued by
NWS Topeka, KS
Area
Whole counties

County Coffey 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

Topeka, KS (KTOP), launched 00:00Z, 6.7 hours before the alert went out and 85 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, Topeka, KS at 00:00Z on 1990-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5742 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 1990-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.193958Sfc1 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
5742 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
826 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
6.7
Supercell composite
28.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTOP 090640
FFWTOP
KSC031-091045-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
139 AM CDT SAT JUN 9 1990
 
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  545 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL KANSAS
          ...SOUTHERN COFFEY
 
AT 130AM THE COFFEY COUNTY SHERIFF REPORTED WATER OVER HIWAY 57 WEST
OF GRIDLEY. THERE WAS ALSO SOME FLOODING REPORTED IN GRIDELY.
ESTIMATED RAINFALL AMOUNTS IN THIS AREA ARE 3 TO 4 INCHES SINCE 4 PM
FRIDAY EVENING. PEOPLE IN LEROY SHOULD ALSO BE ALERT FOR POSSIBLE
FLOODING.
 
 
MOST FLOODING DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES... DIPS... OR LOW SPOTS IF WATER COVERS THE
ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. DO NOT STAY IN AREAS SUBJECT TO FLOODING
WHEN WATER BEGINS TO RISE.

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, Jun 8, 10:18 PM CDT, 3 hours 21 minutes before
KSZ013>016-090300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1018 PM CDT FRI JUN 8 1990

...A TORNADO WATCH NUMBER 422 IS NO LONGER IN EFFECT FOR THE FOLLOWING
COUNTIES IN NORTHEAST KANSAS...

     ATCHINSON...JACKSON...JEFFERSON...DOUGLAS...SHAWNEE...

THE THREAT OF SEVERE WEATHER HAS DIMINISHED IN THE ABOVE COUNTIES.
THERE MAY BE SOME SHOWERS AND THUNDERSTORMS BUT NO SEVERE WEATHER IS
EXPECTED. TORNADOW WATCH NUMBER 422 REMAsINS IN EFFECT FOR THE REST OF
THE WATCH AREA.

CRANDALL
Special weather statement, Jun 8, 11:02 PM CDT, 2 hours 37 minutes before
KSZ013>016-090300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1102 PM CDT FRI JUN 8 1990

TORNADO WATCH NUMBER 422 IS NO LONGER IN EFFECT IN KANSAS AND
TORNADO WATCH NUMBER 424 HAS EXPIRED. A FLASH FLOOD WATCH FOR LYON
COUNTY REMAINS IN EFFECT TILL 245 AM SATURDAY  MORNING.

THUNDERSTORMS SOME VERY INTENSE WERE SCATTERED OVER SOUTHEAST...
EAST CENTRAL AND SOUTH CENTRAL AT 11 PM CDT. LOCALLY HEAVY RAINS...
ALONG WITH INTENSE LIGHTNING...STRONG GUSTY WINDS AND SOME HAIL ARE
STILL POSSIBLE. PERSON SHOULD ALERT FOR THREATENING CONDITIONS.

CRANDALL
Special weather statement, Jun 8, 11:17 PM CDT, 2 hours 22 minutes before
KSZ013>016-090500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1117 PM CDT FRI JUN 8 1990

...FLASH FLOOD WATCH IN EFFECT FOR LYON COUNTY TILL 245 AM...

AT 11 PM VERY INTENSE THUNDERSTORMS WERE LOCATED OVER ABOUT 10 MILES
SOUTHEAST OF EMPORIA OVER SOUTHERN LYON COUNTY. THIS THUNDERSTORM
WAS LIKELY PRODUCING LOCALLY HEAVY RAIN...AND INTENSE LIGHTNING.
ANOTHER VERY INTENSE THUNDERSTORM WAS LOCATED OVER CENTRAL CHASE
COUNTY OR ABOUT 20 MILES WEST SOUTHWEST OF EMPORIA. THESE WERE PART
OF AN AREA OF SHOWERRS AND THUNDERSTORMS THAT WAS 20 MILES WIDE AND
EXTENDED FROM 10 MILES EAST OF BURLINGTON OR 30 MILES EAST SOUTHEAST
OF EMPORIA TO SOUTHERN MARION COUNTY OR 45 MILES WEST SOUTHWEST OF
EMPORIA. MOVEMENT WAS TO THE EAST SOUTHEAST AT 15 MILES AN HOUR.

ANOTHER AREA OF THUNERSTORMS WAS LOCATED FROM NEAR OSKALOOSA OR 20
MILES WEST OF LEVENWORTH TO JUST NORTH OF KANSAS CITY. MOVEMENT WAS
TO THE EAST SOUTHEAST AT 15 MILES AN HOUR.
CRANDALL
Special weather statement, Jun 8, 11:30 PM CDT, 2 hours 9 minutes before
KSZ013>016-090500-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE TOPEKA KS
1117 PM CDT FRI JUN 8 1990

...FLASH FLOOD WARNING IN EFFECT FOR LYON COUNTY TILL 245 AM...

AT 11 PM VERY INTENSE THUNDERSTORMS WERE LOCATED OVER ABOUT 10 MILES
SOUTHEAST OF EMPORIA OVER SOUTHERN LYON COUNTY. THIS THUNDERSTORM
WAS LIKELY PRODUCING LOCALLY HEAVY RAIN...AND INTENSE LIGHTNING.
ANOTHER VERY INTENSE THUNDERSTORM WAS LOCATED OVER CENTRAL CHASE
COUNTY OR ABOUT 20 MILES WEST SOUTHWEST OF EMPORIA. THESE WERE PART
OF AN AREA OF SHOWERRS AND THUNDERSTORMS THAT WAS 20 MILES WIDE AND
EXTENDED FROM 10 MILES EAST OF BURLINGTON OR 30 MILES EAST SOUTHEAST
OF EMPORIA TO SOUTHERN MARION COUNTY OR 45 MILES WEST SOUTHWEST OF
EMPORIA. MOVEMENT WAS TO THE EAST SOUTHEAST AT 15 MILES AN HOUR.

ANOTHER AREA OF THUNERSTORMS WAS LOCATED FROM NEAR OSKALOOSA OR 20
MILES WEST OF LEVENWORTH TO JUST NORTH OF KANSAS CITY. MOVEMENT WAS
TO THE EAST SOUTHE.AST AT 15 MILES AN HOUR.
CRANDALL
Special weather statement, Jun 9, 12:03 AM CDT, 1 hour 36 minutes before
KSZ013>016-090600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1203 AM CDT SAT JUN 9 1990

...FLASH FLOOD WARNING IN EFFECT FOR LYON COUNTY TILL 245 AM...

AT 1155 PM INTENSE THUNDERSTORMS WERE LOCATED NEAR EMPORIA NEAR JOHN
REDMOND RESEVOIR OR 10 MILES EAST SOUTHEAST OF EMPORIA. MOVEMENT WAS  TO
THE EAST SOUTHEAST ABOUT 10 MILES AN HOUR. THESE THUNDERSTORMS WERE
LIKELY PRODUCING LOCALLY HEAVY RAIN AND INTENSE LIGHTNING. THESE
THUDNERSTORMS WERE PART OF A 25 MILE WIDE BAND OF THUNDERSTORMS
EXTENDING FROM SOUTHERN CHASE COUNTY OR 25 MILES WEST SOUTHWEST OF
EMPORIA TO JUST SOUTHEAST OF GARNETT OR ABOUT 45 MILES EAST SOUTHEAST OF
EMPORIA.

ANOTHER BAND OF SHOWERS THAT WASh 10 MILES WIDE WAS LOCATED FROM5 MIELS
WEST OF ST MARYS OR 25 MILES WEST OF TOPEKA TO NEAR LEAVENWORTH. LITTLE
MOVEMENT WAS NOTED.

CRANDALL
Special weather statement, Jun 9, 1:02 AM CDT, 37 minutes before
KSZ013>016-090700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
101 AM CDT SAT JUN 9 1990

...FLASH FLOOD WARNING IN EFFECT FOR LYON COUNTY TILL 245 AM...

AT 1250 AM STRONG THUNDERSTORMS CONTINUED FOR LYON COUNTY NEAR EMPORIA.
IN THE LAST HOUR THERE WAS A DECREASE IN BOTH COVERAGE AND INTENSITY.
AN INTENSE THUNDERSTORM WAS LOCATED NEAR THE WEST END OF JOHN REDMOND
RESERVOIR OR 15 MILES SOUTHEAST OF EMPORIA. THESE THUNDERSTORMS WER0E
MOVING SLOWLY SOUTHEAST.

CRANDALL

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 7:13 PM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson, Shawnee47 min
Jun 8, 7:29 PM CDTTornado WarningTOPLyon46 min
Jun 8, 7:30 PM CDTSevere Thunderstorm WarningTOPCoffey, Osage60 min
Jun 8, 7:58 PM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson, Osage, Shawnee62 min
Jun 8, 7:58 PM CDTSevere Thunderstorm WarningTOPCoffey62 min
Jun 8, 8:45 PM CDTSevere Thunderstorm WarningTOPLyon, Osage45 min
Jun 8, 8:45 PM CDTSevere Thunderstorm WarningTOPDouglas, Franklin45 min
Jun 8, 9:32 PM CDTSevere Thunderstorm WarningTOPLyon28 min

Nearby

Flash Flood Warnings in Kansas, 1990Every flash flood warning in 1990

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.