Alert archive / Kansas / Flash Flood Warnings in 1987
Flash Flood Warning 1, NWS Topeka, KS
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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 7:15 PM CDT | Tornado Warning | TOP | Clay | 65 min |
| Jul 7, 7:22 PM CDT | Severe Thunderstorm Warning | TOP | Clay | 58 min |
| Jul 7, 7:50 PM CDT | Severe Thunderstorm Warning | TOP | Shawnee | 40 min |
| Jul 7, 7:56 PM CDT | Severe Thunderstorm Warning | TOP | Clay, Ottawa | 64 min |
| Jul 7, 8:21 PM CDT | Severe Thunderstorm Warning | TOP | Wabaunsee | 34 min |
| Jul 7, 9:00 PM CDT | Severe Thunderstorm Warning | TOP | Ottawa | 35 min |
| Jul 7, 9:53 PM CDT | Severe Thunderstorm Warning | TOP | Saline | 37 min |
| Jul 7, 10:06 PM CDT | Severe Thunderstorm Warning | TOP | Mitchell | 64 min |
| Jul 7, 10:50 PM CDT | Severe Thunderstorm Warning | TOP | Lincoln | 60 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.