[wrfems] question on ice cover datasets

[Case, Jonathan (MSFC-VP61)[Other]]

Dear WRF EMS Users,

This question is most likely directed to BobR, but I wanted to post it to the group in case anyone else wondered about the ice cover databases in the EMS.

When I do a "ems_prep --dslist" , I receive the following surface options for ice cover:
     ice5min : NCEP 0.083 (1/12th) degree global high res ice cover - FOR USE WITH THE --sfc OPTION ONLY
     iceptile  : NCEP 0.083 (1/12th) degree global high res ice coverage personal tile  - FOR USE WITH THE --sfc OPTION ONLY
     seaice    : NCEP 0.083 (1/12th) degree global high res ice cover - FOR USE WITH THE --sfc OPTION ONLY

For clarification purposes, should the description of the ice5min be different?  It reads as if it's the same as the 0.083 degree dataset, but I figure it must be different, given that it is a different option.   Which dataset is the highest resolution and which one is the one developed by Robert Grumbine at NCEP?

Thanks a lot!
Jonathan

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Jonathan Case, ENSCO Inc.
NASA Short-term Prediction Research and Transition Center (aka SPoRT Center)
320 Sparkman Drive, Room 3062
Huntsville, AL 35805
Voice: 256.961.7504
Fax: 256.961.7788
Emails: Jonathan.Case-1 at nasa.gov / case.jonathan at ensco.com
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"Whether the weather is cold, or whether the weather is hot, we'll weather
  the weather whether we like it or not!"

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