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Downscaled GFS with Extended Eta (DGEX)

Downscaled GFS with Extended Eta (DGEX). 12 km, 60 level (downscaled locally to 5km using SmartInit scripts) CONUS at 06 and 18Z, AK at 00 and 12Z 84-192 h, 6-h frequency

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Downscaled GFS with Extended Eta (DGEX)

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  1. Downscaled GFS with Extended Eta (DGEX) • 12 km, 60 level (downscaled locally to 5km using SmartInit scripts) • CONUS at 06 and 18Z, AK at 00 and 12Z • 84-192 h, 6-h frequency • New DGEX grids will be developed and added to production with content to be defined by the ISST. • CONUS DGEX on AWIPS Grid 218. Alaska DGEX on AWIPS Grid 242. • SBN’s TG2 channel to carry DGEX data

  2. Expanded HPC Medium-Range Support • HPC is working to implement the NWS Corporate Board Decision • HPC forecasts at 390 MOS points are available in text format • Also available are HPC forecasts on a 5-km grid using information from ~6000 MOS points and PRISM to add detail to temperatures • Products available now on HPC ftp site: • max/min temperatures • 12-hour PoP • Estimated dates for additional fields • dewpoint - Jun 2004 • sky cover - Aug 2004 • wind direction & speed - Sep 2004 • Problematic fields: weather type, intensity, & character • WFOs can develop smart tools to incorporate local effects • WFOs modify HPC grids at their discretion • WFOs populate the NDFD HPC day 5 minimum temperature forecast valid May 4, 2004

  3. Winter Weather Experiment 3 (2003-2004)Overview of Participants & Activities • Two WFO sectors • Intermountain (IM) - GREEN • Non IM - RED • Total of 77 WFOs • HPC produced WWE graphics • Available via HPC website • WFO-HPC Collaboration • Scheduled ~15-minute call twice daily • Also via 12 Planet

  4. Winter Weather Experiment 3 (2003-2004)WFO feedback implications for next winter Streaming Video Test • HPC internal products for WFOs should include • Visualization of model preferences, trends, and winter-weather-related diagnostics NOT already available at WFOs • Accumulation graphics of S/IP & ZR like previous WWEs but in 24h increments out to 72h • Notification of product availability via 12 Planet • WFO-HPC collaboration should occur primarily in 12 Planet • WFOs prefer to collaborate initially WFO to WFO using HPC products as a reference • HPC-WFO calls should be reserved for when collaboration via 12 Planet is not efficient • Initiated by WFO • HPC testing 5-minute recorded “streaming” video map discussion for internal NWS use • HPC public product issuance deadlines should be changed • To allow more time to prepare internal NWS products and collaborate with WFOs A Proposed 4-panel Public Product

  5. 1998

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