Alert archive / Kansas / River Flood Warnings in 2008

River Flood Warning 44, NWS Topeka, KS

September 12, 2008Lyon County, Osage County, Kansas

NWS Topeka, KS issued this river flood warning at Sep 12, 2008, 11:12 PM CDT for Lyon County, Osage County, Kansas. It took effect at Sep 13, 2008, 3:45 AM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Sep 12, 2008, 11:12 PM CDT (04:12 UTC)
In effect from
Sep 13, 2008, 3:45 AM CDT
Expired
Sep 13, 2008, 10:20 AM CDT
In force
7 hr
Issued by
NWS Topeka, KS
Flood severity
Moderate

Counties Lyon County, KS, Osage County, KS

The radar

The Topeka radar (KTWX), 55 km from the middle of the area, began a volume at 04:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Marais Des Cygnes River near Reading (RDNK1). The gauge peaked at 14.93 ft at Sep 13, 2008, 2:00 PM CDT.

actionminormoderate102009/1309/14
Action stage
14 ft
Minor stage
19 ft
Moderate stage
21 ft
Major stage
45 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06910800, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Topeka, KS wrote its last area forecast discussion before this river flood warning went out at Sep 12, 6:54 PM CDT, 4 hours 18 minutes earlier.

Area forecast discussion, Sep 12, 6:54 PM CDT, 4 hours 18 minutes before
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Hazardous weather outlook, Sep 12, 11:17 AM CDT, 11 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TOPEKA KS
1117 AM CDT FRI SEP 12 2008

KSZ008>012-020>024-026-034>040-054>056-058-059-131630-
REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY-
POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS-
WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON-
1117 AM CDT FRI SEP 12 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL...NORTH
CENTRAL AND NORTHEAST KANSAS.

.DAY ONE...TODAY AND TONIGHT

WIDESPREAD RAIN...SOME LOCALLY HEAVY WILL CONTINUE ACROSS THE
ENTIRE OUTLOOK AREA TODAY AND TONIGHT. THIS WILL CONTINUE TO LEAD
TO LOCALIZED FLOODING OF CREEKS AND RIVERS INTO THE WEEKEND. A
FLOOD WATCH REMAINS IN EFFECT FOR THE ENTIRE AREA.

THERE IS ALSO A SLIGHT RISK FOR SEVERE THUNDERSTORMS TO THE SOUTH
OF A LINE FROM EMPORIA TO LAWRENCE...OR ALONG AND EAST OF THE
KANSAS TURNPIKE. THE THREAT FOR SEVERE WEATHER WILL BE ANYTIME
TODAY BEFORE 8 PM THIS EVENING. ISOLATED TORNADOES ARE THE MAIN
SEVERE WEATHER HAZARD TODAY.

A NEARLY STATIONARY BOUNDARY EXTENDS ACROSS NORTHEAST KANSAS
TODAY. TO THE SOUTH OF THE BOUNDARY...THE ATMOSPHERE IS WARM AND
VERY HUMID. DUE TO FAVORABLE LOW LEVEL SHEAR NEAR THIS
BOUNDARY...AND AN INCREASINGLY UNSTABLE AIRMASS THIS
AFTERNOON...AN ISOLATED SUPERCELL AND ASSOCIATED TORNADO THREAT
MAY DEVELOP OVER EAST CENTRAL KANSAS TODAY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A FEW CREEKS AND RIVERS MAY CONTINUE TO FLOOD INTO THE
WEEKEND...ESPECIALLY IN PORTIONS OF EAST CENTRAL KANSAS WHERE THE
REMNANTS OF HURRICANE IKE COULD BRING ADDITIONAL MODERATE AMOUNTS
OF RAIN.

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS FOR THE ENTIRE AREA ON
SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE NEEDED ACROSS EAST CENTRAL KANSAS TODAY.

BOUSTEAD

In the hours before

Local storm report, Sep 12, 5:25 PM CDT, 5 hours 47 minutes before
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Local storm report, Sep 12, 7:24 PM CDT, 3 hours 48 minutes before
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Local storm report, Sep 12, 8:07 PM CDT, 3 hours 5 minutes before
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Local storm report, Sep 12, 8:40 PM CDT, 2 hours 32 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 7:38 PM CDTRiver Flood WarningTOPMarshall19 hr
Sep 12, 9:32 PM CDTAreal Flood WarningTOPLyon6 hr
Sep 13, 2:38 AM CDTAreal Flood WarningTOPJackson, Morris, Shawnee, Wabaunsee6 hr
Sep 13, 3:33 AM CDTAreal Flood WarningTOPLyon6 hr
Sep 13, 4:07 AM CDTAreal Flood WarningTOPCoffey, Douglas, Franklin, Osage3 hr
Sep 13, 7:00 AM CDTAreal Flood WarningTOPCoffey, Douglas, Franklin, Osage3 hr
Sep 13, 8:00 AM CDTRiver Flood WarningTOPOsage12 hr
Sep 13, 9:38 AM CDTAreal Flood WarningTOPAnderson, Coffey, Douglas, Franklin, Lyon, Osage4 hr

Nearby

River Flood Warnings in Kansas, 2008Every river flood warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.