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<br />. <br /> <br />. <br /> <br />. <br /> <br />Interactian with water resaurces managers at series of meetings with water aperatians managers, <br />river farecast centers, NOHRSC researchers, and ac:tive cammunicatians with water managers <br />is leading to' better understanding af the NEXRAD SWE products, and haw they may be integrated <br />intO' the aperatianal NOHRSC SNODAS system which will replace the Snaw water Equivalent <br />Updating System (SEUS). <br /> <br />In 2000-01 the project will perform the following talsks: <br /> <br />1. Callect and display radar SWE estimates far NOHRSC in near real-time far them to' merge with <br />ather data sets in develapment af gridded fields af SVIIE and snaw caver. (The first winter (1998- <br />99) af near real-time use af WSR-88D SWE estimates utilized the Chanhassen radar}. <br /> <br />2. Develaped a scheme to' merge (masaic) SAA radar-estimated SWE fields from several <br />adjaining radars and displayed these results fram 10 radars in real-time aver the Internet far <br />aperatianal farecasters (see aur web site: http://www.usbr.gav/rsmg under NEXRAD Praducts - <br />NEXRAD Snaw Algarithm Products). <br /> <br />3. Review progress in the applicatian af the SAA with NWS River Farecast Center (RFC) teams <br />at Chanhassen, MN and Pleasant Hill, MO to' detenmine mare explicit methads af using this <br />snawpack and water supply infarmatian. <br /> <br />4. Develap procedures to' apply NEXRAD data in thH Advanced Hydrolagic Predictian System <br />(AHPS) thraugh the SNODAS develaped by the NOHRSC. <br /> <br />5. Develap procedures to' evaluate the new SNODAS estimates af snaw water equivalent in <br />watersheds abave Reclamatian reservairs. <br /> <br />6. Present results af current wark at the Spring Meeting af the AGU (Matthews et aI2000c,d) and <br />ASCE Watershed Management 2000 Canference (Matthews et aI2000a), and Annual meeting <br />af the American Metearolagical Saciety. <br /> <br />Potential Links to the Advanced Hydrologic Predicjtion System <br /> <br />With the current develapment and implementation of the Advanced Hydrolagic Predictian System, <br />and its integratian with the Natianal Weather Service River Farecast System (NWSRFS), the <br />Missauri Basin RFC may be able to' use the NEXRAD SAA products directly. Meetings and <br />discussians were canducted with the Develapmental Operatianal Hydrolagist, RFC farHcastteams, <br />and Reclamatian's Upper Missauri Basin water aperat~ans managers in February 2000. Similar <br />discussians with the Natianal Operatianal Hydrolagic Remate Sensing Center (NOHRSC) are <br />cantinuing to' determine haw these data can be integrated directly intO' their Snaw Water <br />Equivalent Updating System (naw knawn as Snaw Water Data Assimilatian System (SNODAS)), <br />and then applied in the NWSRFS. Reclamatian's water managers use the RFC farecasts far <br />aperatianal decisian-making. These discussians will lead to' broader applicatians af GEWEX <br />research in the GEWEX Americas Predictian Program (GAPP) from FY02-07. <br /> <br />8 <br />