Alert archive / Kansas / Flash Flood Warnings in 1990
Flash Flood Warning 15, NWS Topeka, KS
NWS Topeka, KS issued this flash flood warning at Jun 7, 1990, 9:20 PM CDT for Lyon County, Osage County, Kansas. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1990, 9:20 PM CDT (02:20 UTC)
- Expired
- Jun 8, 1990, 2:00 AM CDT
- In force
- 5 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, 2.3 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
- 3393 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1162 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- -13 m²/s²
- Significant tornado parameter
- -0.2
- Supercell composite
- -1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTOP 080221
FFWTOP
KSC045-111-139-177-080700-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
920 PM CDT THU JUN 7 1990
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 200 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN EAST CENTRAL KANSAS
...WESTERN DOUGLAS...NORTHERN LYON...NORTHERN OSAGE
...SOUTHEASTERN SHAWNEE
EXTREMELY HEAVY RAIN HAS FALLEN ACROSS THE WARNING AREA THIS EVENING.
SINCE 6 PM CDT 2.35 INCHES OF RAIN HAS FALLEN IN SOUTHWEST DOUGLAS
COUNTY WITH 2 TO 4 INCHES LIKELY ACROSS THE AREA. ONE INCH OF RAIN
FELL IN OVERBROOK BUT, ACCORDING TO THE RAINFALL OBSERVER IN
OVERBROOK, HEAVIER AMOUNTS WERE POSSIBLE AROUND THE AREA. SMALL
STREAMS AND LOW AREAS WILL HAVE HIGHER THAN NORMAL WATER LEVELS
TONIGHT AND SECONDARY ROADS NEAR SMALL STREAMS ARE USUALLY THE FIRST
TO WASH OUT.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD 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.
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, Jun 7, 5:21 PM CDT, 3 hours 59 minutes before
KSZ013>016-072315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 521 AM CDT THU JUN 7 1990 A STRONG THUNDERSTORM WAS OVER OVERBROOK AT 518PM. OVERBROOK IS ABOUT 10 MILES SOUTH-SOUTHEAST OF TOPEKA. THE STORM WAS CAUSING VERY HEAVY RAIN AND POSSIBLY SOME SMALL HAIL AND STRONG GUSTY WINDS. THE STORM WAS MOVING EAST-NORTHEAST AROUND 25 MPH. BOATERS AND CAMPERS ON CLINTON LAKE SHOULD BE READY TO MOVE QUICKLY TO A STRONG SHELTER. THE STORM WILL MOVE INTO THE CLINTON LAKE AREA BETWEEN 530 AND 6PM. MAY
Special weather statement, Jun 7, 5:45 PM CDT, 3 hours 35 minutes before
KSZ013>016-072315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 545 PM CDT THU JUN 7 1990 ... A TORNADO WATCH IS IN EFFECT FOR MUCH OF EAST-CENTRAL AND NORTHEAST KANSAS UNTIL MIDNIGHT... AT 540PM RADAR SHOWED A LINE OF STRONG THUNDERSTORMS FROM JUST SOUTHWEST OF LAWRENCE NEAR CLINTON LAKE TO ABOUT 15 MILES SOUTHWEST OF TOPEKA OVER AUBURN. THE STRONGEST THUNDERSTORM WAS OVER RICHLAND... OR ABOUT ABOUT 10 MILES SOUTHEAST OF TOPEKA. THE THUNDERSTORMS WERE MOVING EAST-NORTHEAST 20 TO 25 MPH. PEOPLE IN SOUTHERN SHAWNEE COUNTY CAN EXPECT VERY HEAVY RAIN, SMALL HAIL, AND STRONG GUSTY WINDS FROM 545PM TO 630PM. ALSO... A REMEMBER A TORNADO WATCH IS IN EFFECT FOR THIS AREA. A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF TORNADOES. MAY
Special weather statement, Jun 7, 6:21 PM CDT, 2 hours 59 minutes before
KSZ007-008-010-011-080030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CONCORDIA KS 620 PM CDT THU JUN 7 1990 ...TORNADO WATCH NUMBER 410 IS IN EFFECT UNTIL 12 AM CDT FOR CLAY COUNTY OF NORTHCENTRAL KANSAS AND DICKENSON COUNTY OF CENTRAL KANSAS... AT 620 PM CDT RADAR SHOWED A LINE OF THUNDERSTORMS EXTENDED FROM NEAR WICHITA TO JUST SOUTH OF TOPEKA MOVING EAST NORTHEAST AT 20 MPH. NO SHOWER OR THUNDERSTORM ACTIVITY WAS REPORTED IN NORTH FCENTRAL OR CENTRAL KANSAS. HOWEVER CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SHOWERS AND THUNDERSTORMS. PERSONS IN CENTRAL AND NORTH CENTRAL KANSAS SHOULD BE ALERT FOR RAPID THUNDERSTORM DEVELOPMENT. URBAN
Special weather statement, Jun 7, 7:29 PM CDT, 1 hour 51 minutes before
KSZ007-008-010-011-080130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CONCORDIA KS 729 PM CDT THU JUN 7 1990 ...TORNADO WATCH NUMBER 410 IS IN EFFECT UNTIL 12 AM CDT FOR CLAY COUNTY OF NORTHCENTRAL KANSAS AND DICKENSON COUNTY OF CENTRAL KANSAS... AT 729 PM CDT RADAR SHOWED A LINE OF THUNDERSTORMS EXTENDED FROM JUST EAST OF HUTCHINSON TO EAST OF TOPEKA. MOVEMENT WAS EAST AT 15 MPH. NO SHOWER OR THUNDERSTORM ACTIVITY WAS REPORTED IN NORTH CENTRAL OR CENTRAL KANSAS. HOWEVER CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SHOWERS AND THUNDERSTORMS. PERSONS IN CENTRAL AND NORTH CENTRAL KANSAS SHOULD BE ALERT FOR RAPID THUNDERSTORM DEVELOPMENT. URBAN
Special weather statement, Jun 7, 8:28 PM CDT, 52 minutes before
KSZ007-008-010-011-080230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CONCORDIA KS 828 PM CDT THU JUN 7 1990 ...TORNADO WATCH NUMBER 410 IS IN EFFECT UNTIL 12 AM CDT FOR CLAY COUNTY OF NORTHCENTRAL KANSAS AND DICKENSON COUNTY OF CENTRAL KANSAS... AT 828 PM CDT RADAR SHOWED A LINE OF THUNDERSTORMS EXTENDED FROM NEAR MARION TO 25 MILES NORTHWEST OF TOPEKA. MOVEMENT WAS EAST AT 10 MPH. NO SHOWER OR THUNDERSTORM ACTIVITY WAS REPORTED IN NORTH CENTRAL OR CENTRAL KANSAS. HOWEVER CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SHOWERS AND THUNDERSTORMS. PERSONS IN CENTRAL AND NORTH CENTRAL KANSAS SHOULD BE ALERT FOR RAPID THUNDERSTORM DEVELOPMENT. URBAN
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 7:12 PM CDT | Tornado Warning | TOP | Lyon | 48 min |
| Jun 7, 7:26 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Shawnee | 34 min |
| Jun 7, 7:31 PM CDT | Tornado Warning | TOP | Osage | 29 min |
| Jun 7, 7:51 PM CDT | Severe Thunderstorm Warning | TOP | Shawnee | 69 min |
| Jun 7, 8:01 PM CDT | Tornado Warning | TOP | Lyon, Osage | 59 min |
| Jun 7, 8:13 PM CDT | Tornado Warning | TOP | Shawnee | 47 min |
| Jun 7, 8:30 PM CDT | Tornado Warning | TOP | Shawnee | 45 min |
| Jun 7, 8:36 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson | 39 min |
| Jun 7, 8:55 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage | 65 min |
| Jun 7, 9:03 PM CDT | Severe Thunderstorm Warning | TOP | Atchison | 57 min |
| Jun 7, 9:20 PM CDT | Flash Flood Warning | TOP | Douglas, Shawnee | 5 hr |
| Jun 7, 9:46 PM CDT | Severe Thunderstorm Warning | TOP | Coffey | 44 min |
| Jun 8, 1:29 PM CDT | Severe Thunderstorm Warning | TOP | Atchison, Brown, Jackson | 61 min |
| Jun 8, 1:29 PM CDT | Severe Thunderstorm Warning | TOP | Nemaha | 61 min |
| Jun 8, 2:27 PM CDT | Severe Thunderstorm Warning | TOP | Brown | 33 min |
| Jun 8, 4:50 PM CDT | Severe Thunderstorm Warning | TOP | Brown | 40 min |
| Jun 8, 5:23 PM CDT | Severe Thunderstorm Warning | TOP | Brown | 37 min |
| Jun 8, 6:35 PM CDT | Severe Thunderstorm Warning | TOP | Coffey, Lyon, Osage | 55 min |
| Jun 8, 6:51 PM CDT | Tornado Warning | TOP | Lyon | 39 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.