Public Information Statement
Issued by NWS Louisville, KY

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Service Change Notice
National Weather Service Louisville KY
920AM EDT Thu May 10 2017

...Changes in River Forecast Services on the Green River in
Kentucky...

To:           Family of Service /FOS/ Subscribers, NOAA Weather Wire
              Service /NWWS/ Subscribers, Emergency Managers Weather
              Information Network /EMWIN/ Subscribers, NOAAPORT
              Subscribers, Other National Weather Service /NWS/
              Customers and Partners, and NWS Employees

From:         John Gordon
              Meteorologist in Charge
              WFO Louisville, Kentucky

Subject:      Changes in River Forecasting Services on the Green
              River at Brownsville and Woodbury

Due to dam failures, there are no longer any pools at Brownsville
and Woodbury.

At Brownsville, the river readings were moved by the United States
Geological Survey (USGS) downstream to a new location near the water
treatment plant. This gauge reads higher than the previous old gauge
at lock and dam #6 by around 30 feet. Both the lock and dam were
removed in March.

The water plant gauge is completely incompatible with the old lock
and dam gauge and as a result, forecasts cannot be generated for the
water plant gauge at this time. The National Weather Service (NWS)
will continue to issue forecasts for the old gauge, however, there
will be no way to verify these forecasts. Edmonson County Emergency
Management is determining if forecasts are still needed at
Brownsville, and if not, forecasting services will be discontinued.

At Woodbury, the NWS issued forecasts for the lower gauge. However,
there has been no gauge there for several years. Readings for the
lower gauge were estimated from the USGS upper gauge which reads
lower by about 7 feet.

The Butler County Emergency Management decided to use the USGS gauge
as the official forecast point and the NWS will issue forecasts for
this gauge. The history of the lower gauge crests has been moved to
the upper gauge. Below are the new critical levels for Woodbury:

Minor Flooding (flood stage): 26 feet
Moderate Flooding: 38 feet
Major Flooding: 41 feet

The NWS will provide statements, advisories, and warnings as
necessary when the river is forecast to approach or exceed 30 feet.
Warnings will continue until the river drops below 30 feet.

The National Weather Service welcomes public comments. If you have
any questions or comments on these changes, please contact:

               Mike Callahan
               Senior Service Hydrologist
               National Weather Service Forecast Office
               6201 Theiler Lane
               Louisville KY  40229

               Phone: (502) 969-8842 x493
               Email: mike.callahan@noaa.gov



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