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Update from NWS Storm Surge Team and Watch/Warning Group to 2010 NOAA Conference

Update from NWS Storm Surge Team and Watch/Warning Group to 2010 NOAA Conference. Timothy Schott Nov 30, 2010. provided inputs to the social science researchers queried local EMs on their storm surge needs

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Update from NWS Storm Surge Team and Watch/Warning Group to 2010 NOAA Conference

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  1. Update from NWS Storm Surge Team and Watch/Warning Group to 2010 NOAA Conference Timothy Schott Nov 30, 2010

  2. provided inputs to the social science researchers queried local EMs on their storm surge needs held several combined calls with the Watch/Warning Group Team’s Key 2010 activities

  3. Key storm surge agreements reached in 2010 by Team • Further developed a TC Watch/Warning development plan. Awaiting complete social science research results (May 11) • A polygon-based warning: as such, to optimally communicate the areal extent of the warning, it must be accompanied by GIS files and inundation graphics. In other words, a “text only” warning will not do the job. • We must have a graphical interface for NHC and WFOs to collaborate on preliminary watch/warning areas with sharing via Intersite Coordination Grids (NHC’s TSB working with NCEP on this) • Team is mindful of the numerous interfaces of any new watch/warning (“lessons learned from EWW”)

  4. Key agreements reached on “roles and responsibilities” • 1: NHC is best positioned to lead and initiate the watch/warning collaboration by providing the lateral extent of watches and warnings on the coastline, along with the magnitude and timing of winds (and possibly surge). NHC would also provide an initial large-scale areal outline for inland watches and warnings for wind (and possibly surge). The WFOs would collaborate using the large-scale product as a starting point, much like they now do with SPC watches

  5. Key agreements reached on “roles and responsibilties” • 2. Once collaboration on the large scale is accomplished, NHC would issue the large scale delineation of the watches and warnings. The WFOs will then refine or further delineate the inland extent and areal coverage of the watches/warnings

  6. Key agreements reached on “roles and responsibilties” • 3. Close collaboration between NHC and WFOs will be required to ensure a true collaborative warning process. If a consensus cannot be reached through collaboration, then NHC will decide on the final watches/warnings for coastal zones and WFOs will decide on the final watches/warnings for inland and marine zones.

  7. Getting new storm surge data and tools in AWIPS II • OSIP 10-011, TC Storm Surge Data Needs - WFOs need both probabilistic total water level product and probabilistic inundation products - WFOs need deterministic SLOSH files in AWIPS (action item 09-19-3) • Holistic approach: OS21 will increase dialogue, via Team in early 2011, to assemble extratropical storm surge needs via OSIP project and possible changes to ET watches/warnings • “Inundation mapping” is a “bell ringer” for both TC and ET storm surge improvements. We are looking for input on which (of numerous local WFO) prototype efforts should be carried forward towards national implementation.

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