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1.3 History

Click on the images in the timeline below to step through the CHPS implementation process.

CHPS timeline time2002 time2005 time2006 time2007 time2008 time2009 time2011 2014

2014:

CHPS hardware upgrade decreased the number of servers to three by using virtual servers. Prior to 2014, CHPS ran on nine servers.

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2011 - 2012:

Migration continued with the last RFCs employing the system by the end of 2011 and early 2012.

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Early 2009:

The CAT RFCs began migrating to CHPS. The second wave of RFCs, the CAT-II offices, began planning their implementation strategy.

End of 2009 into 2010:

The CAT RFCs completely migrated to CHPS.

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2008:

NERFC joined the CAT and NCRFC participated in the second phase of implementation.

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April 2007:

A prototype, CHPS FEWS Pilot, was demonstrated at NWRFC. December 2007 – software implemented at the CAT RFCs and demonstrated at NERFC. New software capabilities included ability to modify time series (MODS) and the addition of the SNOW-17 model.

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2006:

A CHPS Acceleration Team (CAT), consisting of representatives from OHD, CNRFC, NCRFC, NWRFC, and ABRFC, formed to work with Deltares, Riverside Technology Inc., and RS Information Systems to explore the potential of modernizing NWSRFS rather than replacing it.

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Late 2005:

Deltares (then known as Delft), demonstrated the Delft-FEWS (Flood Early Warning System) software at NWS headquarters.

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Early 2000's:

NWS began looking for modernization options for NWSRFS.

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