Alert archive / Kansas / Flash Flood Warnings in 1990
Flash Flood Warning 10, NWS Topeka, KS
NWS Topeka, KS issued this flash flood warning at May 15, 1990, 8:36 PM CDT for Lyon County, Osage County, Kansas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 15, 1990, 8:36 PM CDT (01:36 UTC)
- Expired
- May 15, 1990, 11:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Topeka, KS
- Area
- Whole counties
Counties Lyon County, KS, Osage 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, 1.6 hours before the alert went out and 56 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
- 1934 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 926 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTOP 160138
FFWTOP
KSC111-139-160445-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
836 PM CDT TUE MAY 15 1990
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1145 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN EAST CENTRAL KANSAS
...LYON...OSAGE
A LINE OF THUNDERSTORMS EXTENDED ACROSS OSAGE AND LYON COUNTY AT 830
PM CDT...FROM LAKE PAMONA TO EMPORIA...AND THEN EXTENDED TOWARD
WICHITA. THESE STORMS HAVE BEEN PRODUCING RAINFALL AT THE RATE OF AN
INCH AN HOUR. SOME LOCATIONS WEST OF EMPORIA HAVE RECEIVED NEARLY 2
AND 1/2 INCHES OF RAIN IN JUST 2 HOURS.
THE RAIN WILL CONTINUE IN LYON AND OSAGE COUNTY THROUGH 11 PM CDT.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. STREAMS,
RIVERS, AND CREEKS CAN BECOME KILLERS IN HEAVY RAIN. CAMPERS
SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING
RAINS.
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.
FORTUNEWhat 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, May 15, 7:02 PM CDT, 1 hour 34 minutes before
KSZ013>016-160030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 701 PM CDT TUE MAY 15 1990 ...TORNADO WATCH NUMBER 238 IS IN EFFECT FOR EAST CENTRAL AND NORTHEAST KANSAS UNTIL 10 PM CDT... ...FLASH FLOOD WATCH CONTINUES OVER EASTERN AND SOUTH CENTRAL KANSAS FOR THE REST OF TONIGHT... AT 655 PM CDT A LINE OF INTENSE THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WAS MOVING THROUGH THE TOPEKA AREA. THESE STORMS WILL LIKELY PRODUCE LOCAL FLOODING IN THE TOPEKA AREA UNTIL ABOUT 8 PM. AS THESE THUNDERSTORMS MOVE EASTWARD INTO JEFFERSON...DOUGLAS... OSAGE AND FRANKLIN COUNTIES BETWEEN 7 PM AND 9 PM THIS EVENING... ADDITIONAL FLOODING IS POSSIBLE...PARTICULARLY IN THOSE AREAS AFFECTED BY FLOODING EARLIER TODAY. FLASH FLOOD WARNINGS MAY NEED TO BE ISSUED. PERSONS EXPERIENCING HEAVY RAINFALL SHOULD BE ALERT TO RAPIDLY RISING WATERS AND THE POTENTIAL FOR FLOODING. BE PREPARED TO TAKE APPROPRIATE ACTION. MCNULTY
Special weather statement, May 15, 7:06 PM CDT, 1 hour 30 minutes before
KSZ007-008-010-011-160000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CONCORDIA KS 700 PM CDT TUE MAY 15 1990 TORNADO WATCH NUMBER 238 CONTINUES UNTIL 10 PM FOR PORTIONS OF NORTH CENTRAL AND CENTRAL KANSAS ALONG AND EAST OF A LINE FROM NEAR BELLEVILLE THROUGH SALINA TO NEAR NEWTON. RADAR AT 7 PM INDICATED A STRONG LINE OF THUNDERSTORMS SOME 25 MILES IN WIDTH FROM FAR NORTHEAST KANSAS ACROSS TOPEKA TO NEAR WICHITA. THE BACK EDGE OF THESE THUNDERSTORMS WERE AS FAR NORTH AS THE NEWTON AREA. MOVEMENT WAS EAST NORTHEAST AT 35 MPH. WHILE THERE WERE NO THUNDERSTORMS IN NORTH CENTRAL OR CENTRAL KANSAS THUNDERSTORMS MAY YET DEVELOP IN SOME LOCATIONS THE NEXT HOUR OR TWO. SO PERSONS IN NORTH CENTRAL AND CENTRAL KANSAS SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. ADAMS
Special weather statement, May 15, 7:33 PM CDT, 1 hour 3 minutes before
KSZ013>016-160100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 733 PM CDT TUE MAY 15 1990 ...FLASH FLOOD WARNING IS IN EFFECT FOR JEFFERSON...DOUGLAS...AND FRANKLIN COUNTIES UNTIL 1115 PM... ...TORNADO WATCH NUMBER 238 IS IN EFFECT FOR EAST CENTRAL AND NORTHEAST KANSAS UNTIL 10 PM CDT... ...FLASH FLOOD WATCH CONTINUES OVER EASTERN AND SOUTH CENTRAL KANSAS FOR THE REST OF TONIGHT... AT 725 PM CDT A LINE OF THUNDERSTORMS...PRODUCING VERY HEAVY RAINFALL... SOME PEA TO MARBLE SIZE HAIL...AND WIND GUSTS TO 45 MILES AN HOUR...WAS LOCATED FROM NEAR ST JOSEPH MO...TO JUST SOUTHEAST OF TOPEKA...TO 45 MILES SOUTHWEST OF TOPEKA JUST SOUTH OF COUNCIL GROVE. THE MOST DANGEROUS ASPECT OF THESE THUNDERSTORMS IS THE ONE TO TWO INCHES OF RAINFALL THAT THEY PRODUCE DURING THEIR PASSAGE. THESE RAINS WILL AGGRAVATE THE ALREADY POOR FLOODING SITUATION OVER IN JEFFERESON ...DOUGLAS...AND FRANKLIN COUNTIES. OTHER AREAS MAY ALSO EXPERI'ENCE LOCAL FLOODING DURING THESE INTENSE STORMS. PERSONS IN NORTHEAST AND EAST CENTRAL KANSAS SHOULD BE READY TO FLEE AREAS OF RAPIDLY RISING WATERS. BE PREPARED AND BE CAUTIOUS ! MCNULTY
Special weather statement, May 15, 8:03 PM CDT, 33 minutes before
KSZ013>016-160200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 800 PM CDT TUE MAY 15 1990 ...FLASH FLOOD WARNING IS IN EFFECT FOR JEFFERSON...DOUGLAS...AND FRANKLIN COUNTIES UNTIL 1115 PM... ...TORNADO WATCH NUMBER 238 IS IN EFFECT FOR EAST CENTRAL AND NORTHEAST KANSAS UNTIL 10 PM CDT... ...FLASH FLOOD WATCH CONTINUES OVER EASTERN AND SOUTH CENTRAL KANSAS FOR THE REST OF TONIGHT... AT 800 PM CDT A LINE OF THUNDERSTORMS...PRODUCING VERY HEAVY RAINFALL... SOME PEA TO MARBLE SIZE HAIL...AND WIND GUSTS TO 45 MILES AN HOUR...WAS LOCATED FROM ST JOSEPH MO...TO 15 MILES SOUTH OF TOPEKA...TO NEAR EMPORIA THEN CONTINUED SOUTHWEST TOWARD WICHITA. THE MOST DANGEROUS ASPECT OF THESE THUNDERSTORMS IS THE EXTREMELY HEAVY RAINFALL THAT HAS PRODUCED SOME LOW AREA FLOODING IN EXTREME SOUTHERN SHAWNEE COUNTY. SOME SECONDARY ROADS WERE UNDER WATER AT 8PM. HEAVY RAIN WILL MOVE OUT OF SHAWNEE COUNTY AND INTO FRANKLIN AND DOUGLAS COkUNTY WHERE FLASH FLOOD WARNINGS ARE IN EFFECT UNTIL 1115 PM CDT. FORTUNE
Special weather statement, May 15, 8:05 PM CDT, 31 minutes before
KSZ007-008-010-011-160200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CONCORDIA KS 800 PM CDT TUE MAY 15 1990 TORNADO WATCH NUMBER 238 CONTINUES UNTIL 10 PM FOR PORTIONS OF NORTH CENTRAL AND CENTRAL KANSAS. THIS WATCH AREA WAS ALONG AND EAST OF A LINE FROM BELLEVILLE THROUGH SALINA TO NEAR NEWTON. AT 8 PM RADAR CONTINUED TO SHOW A LONG LINE OF VERY STRONG THUNDERSTORMS FROM EAST OF TOPEKA TO JUST NORTH OF WICHITA. MOVEMENT WAS EAST NORTHEAST AT 35 MPH. THE BACK EDGE OF THESE STORMS WERE NEAR THE SOUTHEAST PART OF MCPHERSON COUNTY OF CENTRAL KANSAS. PERSONS IN AND CLOSE TO THE WATCH AREA ACROSS NORTH CENTRAL AND CENTRAL KANSAS REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIOoNS. ADAMS
Special weather statement, May 15, 8:31 PM CDT, 5 minutes before
KSZ009>011-013-015-160230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 830 PM CDT TUE MAY 15 1990 ...PARTS OF TORNADO WATCH NUMBER 238 HAVE BEEN CANCELLED.... ...FLASH FLOOD WATCH CONTINUES OVER EASTERN AND SOUTH CENTRAL KANSAS FOR THE REST OF TONIGHT... TORNADO WATCH NUMBER 238 FOR NORTHERN AND NORTHEAST KANSAS HAS BEEN CANCELLED WEST OF A LINE FROM NEAR ST JOSEPH MISSOURI TO TOPEKA TO NEAR HUTCHINSON. HOWEVER EAST OF THIS LINE THE WATCH WILL CONTINUE IN ADDITION...TORNADO WATCH NUMBER 239 FOR SOUTHERN KANSAS WILL CONTINUE UNTIL 10PM ALSO. FINALLY...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF NORTHEAST ...SOUTHCENTRAL AND SOUTHEAST KANSAS THE REST OF THE NIGHT. AKULOW
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 7:13 PM CDT | Flash Flood Warning | TOP | Douglas, Franklin | 4 hr |
| May 15, 7:13 PM CDT | Flash Flood Warning | TOP | Jefferson | 62 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.