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ACE-1: Model Trajectories, Back NCEP MRF for Discoverer Transit (ASCII) (Kapustin)


This dataset contains Back trajectories for the R/V Discoverer. These trajectories were calculated with the NOAA HYSPLIT 3.2 code using the NMC Global Data Assimilation System Medium Range Forecast model (MRF). 9-day back trajectories are computed at 00Z and 12Z daily, originating at the ship with a source altitude of 100 m and an averaging period of 24 hrs. This dataset contains ASCII files which describe the latitude, longitude and pressure level of trajectory points. A companion dataset contains gif images of each of these trajectories.

Data access

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Additional information

Metadata download

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Related projects
Spatial Type grid
Frequency 12 hourly
Language English

Temporal coverage

Begin datetime 1995-10-13 00:00:00
End datetime 1995-11-10 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 50.00, Minimum (South) Latitude: -60.00
Minimum (West) Longitude: 130.00, Maximum (East) Longitude: -122.00

Primary point of contact information

Vladimir Kapustin <>

Additional contact information


Example citation following ESIP guidelines:

Pacific Marine Environmental Laboratory (PMEL), NOAA. 2006. ACE-1: Model Trajectories, Back NCEP MRF for Discoverer Transit (ASCII). Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 08 Dec 2019.

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