NOUS41 KWBC DDHHMM
PNSWSH
Public Information
Statement, Comment Request
National Weather Service
Headquarters Washington DC
125 PM
EDT Fri Sep 16 2011
To: Subscribers
- Family of Services
- NOAA Weather Wire Service
- Emergency Managers Weather
Information Network
- NOAAPORT
Other NWS Partners and NWS Employees
From: Eli
Jacks
Chief, Fire and Public Weather
Services Branch
Subject: HYSPLIT Trajectories Request Function to be
provided
via Weather Forecast
Office NWS Spot Forecast Request
Webpages Effective September 19 2011
NWS is accepting comments
until December 31, 2011, regarding the Hybrid Single Particle Lagrangian
Integrated Trajectory model (HYSPLIT) Trajectories Request Function when provided
via WFO NWS Spot forecast request webpages. Comments concerning this experimental
service are welcome:
http://www.weather.gov/survey/nws-survey.php?code=NSWHT
Effective September 19,
2011, all WFO NWS Spot forecast request webpages will host a new, experimental functionality
for requesting HYSPLIT trajectory runs from NOAA’s Air Resources Laboratory
(ARL). These elements will be available
based on the North American Mesoscale Model (NAM) for CONUS and the Global
Forecast System (GFS) for Alaska and Hawaii.
The HYSPLIT Trajectories
Request Function allows partners and users to request HYSPLIT trajectory runs
at 500, 1500, and 3000 meters above ground level for the latitude/longitude of
the spot forecast request location. The
trajectory runs will begin at the request time for wildfires and emergency
responses, and at the specified ignition time for prescribed fires.
To request HYSPLIT
trajectories from WFO NWS Spot forecast request webpages, the authorized user
must enter the phrase "hysplit to email@domain.gov"
in the remarks section of the spot forecast request form. The HYSPLIT
trajectory raw data, as well as ".gif" and ".kml"
files, will be sent to the specified email address.
Site-specific (spot)
forecasts are issued by WFOs in support of official requests for wildfire
management, natural resource management, emergency response and other threats
to public safety. NWS Spot forecast requests are made via any of several of the
normal methods (e.g., from Regional/WFO Fire Weather pages,
telephone/facsimile, etc.)
For technical information
about HYSPLIT model trajectories:
http://ready.arl.noaa.gov/HYSPLIT_trajinfo.php
For more information
regarding this notice, please contact:
Robyn Heffernan
Fire Weather Science and
Dissemination Meteorologist
NOAA/NWS Office of
Climate, Water, and Weather Services
Boise, ID 83705
208-387-5089
National Public
Information Statements are online at:
http://www.nws.noaa.gov/om/notif.htm
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