Alert archive / Kansas / Flash Flood Warnings in 1987

Flash Flood Warning 1, NWS Topeka, KS

July 8, 1987Osborne County, Kansas

NWS Topeka, KS issued this flash flood warning at Jul 8, 1987, 3:40 AM CDT for Osborne County, Kansas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jul 8, 1987, 3:40 AM CDT (08:40 UTC)
Expired
Jul 8, 1987, 6:00 AM CDT
In force
2 hr
Issued by
NWS Topeka, KS
Area
Whole counties

County Osborne 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

Dodge City, (KDDC), launched 00:00Z, 8.7 hours before the alert went out and 201 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, Dodge City, at 00:00Z on 1987-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4405 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, Dodge City, at 00:00Z on 1987-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
4405 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1317 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
2.1
Supercell composite
16.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCNK 080842
FFWCNK
KSC141-081100-

BULLETIN EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CONCORDIA KS
340 AM CDT WED JUL 8 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE
UNTIL 600 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

NORTHCENTRAL KANSAS...OSBORNE

AT 335 AM CDT...OSBORNE COUNTY SHERIFFS OFFICE REPORTED THAT THE COVERT
CREEK WAS WELL OUT OF ITS BANKS. WATER 3 FEET DEEP WAS OBSERVED AT THE
TOWN OF COVERT IN SOUTH CENTRAL OSBORNE COUNTY.


<
FLASH FLOODING WILL LIKELY RESULT FROM THE HEAVY RAIN THAT HAS FALLEN
OVER THE WARNING AREA.  STAY AWAY FROM AREAS SUSEPTIBLE TO FLOODING
LIKE SMALL STREAMS...LOW LYING AREAS AND UNDERPASSES.
ES

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, Jul 8, 12:46 AM CDT, 2 hours 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CONCORDIA KS
1245 AM CDT WED JUL 8 1987

AT 1245 AM CDT AN INTENSE THUNDERSTORMS WERE IN A AREA 10 MILES WIDE
FROM 10 MILES NORTH OF OSBORNE DOWN THROUGH WILSON. THESE
 THUNDERSTORMS AREA CAPABLE OF PRODUCING VERY HEAVY RAIN..GUSTY WINDS
.. HAIL AND DANGEROUS LIGHTNING. THEY WERE MOVING VERY SLOWLY TO THE
NORTHWEST AT 5 MILES AN HOUR.
PEOPLE IN ELLSWORTH RUSSSELL AND OSBORNE COUNTIES SHOULD REMAIN ALERT
FOR THESE STORMS AND PREPARE TO TAKE COVER. PERSOND ALONG THE SALINE
AND SOLOMON RIVER SHOULD BE ALERT FOR LOW LAND FLOODING AND
TAKE NECESSARY PRECAUTIONS.

THESE THUNDERSTORMS WERE IN AN AREA OF SHOWERS AND THNDERSTORMS FROM
FRANKLIN NEBRXASKA TO FRIEND NEBRASKA TO NEBRASKA CITY BACK TO MANHATTAN
SAINA GREAT BEND TO HAYS. THEY WERE MOVING VERY SLOWLY NORTHWEST.
<
REMEMBER A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL
KANSAS UNTIL 5 AM CDT.
STAPLETON
Special weather statement, Jul 8, 1:43 AM CDT, 1 hour 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CONCORDIA KS
1240 AM CDT WED JUL 8 1987

AT 1240 AM CDT STRONG THUNDERSTORMS WERE NEAR GLASCO IN SOUTHWEST CLOUD
COUNTY AND JUST SOUTH OF MINNEAPOLIS IN OTTAWA COUNTY...OTHERWISE LIGHT
TO MODERATE SHOWERS WERE NORTH OF A LINE LYONS TO SALINA TO SOUTH OF
CLAY CENTER TO 10 MILES SOUSTH OF PAWNEEE CITY NEBRASKA. THEY WERE
NEARLY STATIONARY. AT THIS TIME NO REPORTS OF SEVERE WEATHER IS BEING
REPORTED IN CENTRAL OR NORTH CENTRAL KANSAS.

PERSONS ALONG THE ARKANSAS, SALINE AND SOLOMOM RIVER SHOULD BE ALERT
FOR LOW LAND FLOODING AND AND TAKE NECESSARY PRECAUTIONS.
<
REMEMBER A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL
KANSAS AND OTTAWA COUNTY OF NORTH CENTRAL KANSAS UNTIL 5 AM CDT.

STAPLETON
Special weather statement, Jul 8, 1:44 AM CDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
145 AM CDT WED JUL 8 1987

...FLASH FLOOD WATCH NORTHCENTRAL AND NORTHEAST OVERNIGHT...
...SEVERE THUNDERSTORM WATCH IN EFFECT FOR A PART OF EAST CENTRAL
   KANSAS UNTIL 5AM CDT...

SEVERE THUNDERSTORM WATCH NUMBER 341 REMAINS IN EFFECT FOR MOST
OF SOUTH CENTRAL AND CENTRAL KANSAS UNTIL 5 THIS MORNING.  THE
WATCH ALSO INCLUDES THAT PART OF EAST CENTRAL KANSAS SOUTHWEST OF
A LINE FROM JUNCTION CITY TO ALMA AND EMPORIA.

THERE WERE NO THUNDERSTORMS IN NORTHEAST OR EAST CENTRAL KANSAS AT
140 THIS MORNING.  A LARGE MASS OF THUNDERSTORMS WAS NORTH AND WEST
OF A LINE FROM SALINA TO MARYSVILLE TO ST. JOSEPH...MISSOURI.
THE THUNDERSTORMS WERE MOVING NORTH AT 20 MILES AN HOUR.

SCHURR
Special weather statement, Jul 8, 1:48 AM CDT, 1 hour 52 minutes before
SPECIAL WEATHER STATEMENT ...CORRECTION TO TIME
NATIONAL WEATHER SERVICE CONCORDIA KS
0140 AM CDT WED JUL 8 1987

AT 140 AM CDT STRONG THUNDERSTORMS WERE NEAR GLASCO IN SOUTHWEST CLOUD
COUNTY AND JUST SOUTH OF MINNEAPOLIS IN OTTAWA COUNTY...OTHERWISE LIGHT
TO MODERATE SHOWERS WERE NORTH OF A LINE LYONS TO SALINA TO SOUTH OF
CLAY CENTER TO 10 MILES SOUSTH OF PAWNEEE CITY NEBRASKA. THEY WERE
NEARLY STATIONARY. AT THIS TIME NO REPORTS OF SEVERE WEATHER IS BEING
REPORTED IN CENTRAL OR NORTH CENTRAL KANSAS.

PERSONS ALONG THE ARKANSAS, SALINE AND SOLOMOM RIVER SHOULD BE ALERT
FOR LOW LAND FLOODING AND AND TAKE NECESSARY PRECAUTIONS.
<
REMEMBER A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL
KANSAS AND OTTAWA COUNTY OF NORTH CENTRAL KANSAS UNTIL 5 AM CDT.

STAPLETON
Special weather statement, Jul 8, 2:32 AM CDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CONCORDIA KS
230 AM CDT WED JUL 8 1987

AT 230 AM CDT SCATTERED LIGHT TO MODERATE SHOWERS AND ISOLATED
THUNDERSTORMS PRODUCING HEAVY RAIN WERE WEST OF A LINE FROM
MARYSVILLE TO MCPHERSON TO 30 MILES SOUTHEAST OF LARNED.  THE
SHOWERS AND THUNDERSTORMS WERE MOVING SOUTH AT 10 MPH.  THERE WAS
A PUBLIC REPORT OF RAINFALLS OF 5 INCHES LAST EVENING IN THE COVERT
AREA IN OSBORNE COUNTY OF NORTH CENTRAL KANSAS.  PERSONS LIVING
ALONG COVERT CREEK IN OSBORNE COUNTY SHOULD PREPARE TO MOVE TO
A PLACE OF SAFETY AS RAPID RISES WILL BE TAKING PLACE.

PERSONS ALONG THE ARKANSAS, SALINE AND SOLOMOM RIVER SHOULD BE ALERT
FOR LOW LAND FLOODING AND TAKE NECESSARY PRECAUTIONS.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL
KANSAS AND OTTAWA COUNTY OF NORTH CENTRAL KANSAS UNTIL 5 AM CDT.

PHILLIPS
Special weather statement, Jul 8, 2:49 AM CDT, 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
250 AM CDT WED JUL 8 1987

...FLASH FLOOD WATCH FOR NORTH CENTRAL KANSAS TODAY...
...FLASH FLOOD WATCH FOR NORTHEAST KANSAS TERMINATED...
...SEVERE THUNDERSTORM WATCH TERMINATED...

SEVERE THUNDERSTORM WATCH NUMBER 341 ISSUED EARLIER FOR MOST
OF CENTRAL KANSAS WAS TERMINATED.  THE FLASH FLOOD WATCH FOR
NORTH CENTRAL KANSAS HAS BEEN EXTENDED THROUGH THE DAY...BUT
THE FLASH FLOOD WATCH FOR NORTHEAST KANSAS HAS ALSO BEEN TERMINATED.

THE FLASH FLOOD WATCH REMAINS IN EFFECT IN AN AREA GENERALLY BOUNDED
BY A LINE FROM WASHINGTON TO MARION TO LA CROSSE TO HAYS TO MANKATO
AND BACK TO WASHINGTON.  HEAVY RAINS HAVE ALREADY FALLEN OVER
NORTH CENTRAL KANSAS AND RUNOFF WILL LIKELY CAUSE SMALL STREAMS AND
LOW AREAS TO FLOOD.

AT 245 THIS MORNING NO RAIN WAS FALLING ANYWHERE IN NORTHEAST OR
EAST CENTRAL KANSAS. RAIN AND THUNDERSTORMS WERE WEST AND NORTH OF A
LINE FROM SALINA TO MARYSVILLE TO NEBRASKA CITY...NEBRASKA.
THE PRECIPITATION WAS MOVING NORTH AT 20 MILES AN HOUR IN NEBRASKA...
BUT MOVING VERY LITTLE IN NORTH CENTRAL KANSAS.

SCHURR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 7:15 PM CDTTornado WarningTOPClay65 min
Jul 7, 7:22 PM CDTSevere Thunderstorm WarningTOPClay58 min
Jul 7, 7:50 PM CDTSevere Thunderstorm WarningTOPShawnee40 min
Jul 7, 7:56 PM CDTSevere Thunderstorm WarningTOPClay, Ottawa64 min
Jul 7, 8:21 PM CDTSevere Thunderstorm WarningTOPWabaunsee34 min
Jul 7, 9:00 PM CDTSevere Thunderstorm WarningTOPOttawa35 min
Jul 7, 9:53 PM CDTSevere Thunderstorm WarningTOPSaline37 min
Jul 7, 10:06 PM CDTSevere Thunderstorm WarningTOPMitchell64 min
Jul 7, 10:50 PM CDTSevere Thunderstorm WarningTOPLincoln60 min

Nearby

Flash Flood Warnings in Kansas, 1987Every flash flood warning in 1987

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.