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NOUS41 KWBC 231618 PNSWSH Public Information Statement National Weather Service Headquarters Washington DC 1220 PM EDT Mon Jul 23 2012 TO:Subscribers: -Family of Services -NOAA Weather Wire Service -Emergency Managers Weather Information Network other NWS Partners, Users, and Employees FROM:Mark Tew Chief, Marine and Coastal Weather Services Branch SUBJECT:Comments Sought through June 30, 2013 on New Webpage for Forecast and Observed Wave Information NWS is seeking comments through June 30, 2013, on an experimental marineWebpage. The NWS Weather Forecast Office (WFO) in Eureka, CA, has developed a graphical vector plot of predefined point guidancefor up to six wave systems (direction, height, and period) and wind (direction, speed) through a 5-day period at 6- hourly increments. If the point is associated with a buoy location, the previous 24 hour observations, partitioned in the samemanner as the forecast waves, are plotted in 3 hour intervals. The forecast wave information is from the partitioned Simulating Waves Nearshore (SWAN) model output.The wind is forecasterderived. NWS marine users can use the Hanson Plots to quickly assess the windand sea conditions out to 5 days. The Webpage highlights trendsin the conditions and helps users obtain favorable and hazardousconditions. Because observed buoy data is also presented in the same format, userscan evaluate the current conditions and forecast conditions atthe same time. Users also can assess how the forecast is performingin the near term relative to current conditions becauseboth views are on a plot for locations that have buoys. NWS forecasters also use the Hanson Plots to determine which sets ofwave data (up to a maximum of six individual wave systems) willbe used as initial guidance for the official gridded forecast. To view the Hanson Plots, see http://www.wrh.noaa.gov/eka/marine/hansonPlots/ For a description of this new product, see https://products.weather.gov/PDD/HansonPlots_Extension_PDD%20.pdf To provide feedback, see http://www.nws.noaa.gov/survey/nws-survey.php?code=HPGT The feedback period will run through June 30, 2013.At the end ofthe feedback period this product will be considered for nationalimplementation. Feedback, and questions, can also be sent to: Troy Nicolini Warning Coordination Meteorologist National Weather Service/Eureka Eureka, CA 95501-6000 Phone: 707-443-0574 Email: Troy.Nicolini@xxxxxxxx <mailto:Troy.Nicolini@xxxxxxxx> National Public Information Statements are online at: http://www.weather.gov/os/notif.htm $$
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