Hi Folks,
Well we had quite an interesting week in our first week of supporting the
WxChallenge. Here are some notes that might interest you.
WRF numerical instabilities: Quite a few of the runs around Rapid City have
resulted in numerical instability in the WRF. The team is looking into this
and is wondering if it has to do with terrain around the location. We have
found that runs initialized using NAM (as opposed to ADAS) have been more
stable. So we recommend that you make use of the NAM initialized forecasts for
your work. Of course we'd love to hear about your results with either workflow
- use the contact us link to let us know how it's going.
The Indiana software development group has put together a very nice page
showing statistics for the WxChallenge parameters for all runs over the current
WxChallenge site. See them at: http://chinkapin.cs.indiana.edu/wxchallenge/
One important note is that many of the runs are not covering the range of 6Z to
6Z needed for the contest. It is very important that end users remember to set
the Forecast Duration (dropdown menu on the Model Domain Configuration page of
the Experiment Wizard) such that it covers 6Z to 6Z for the day of interest.
There have been issues with data not arriving at user's workspace in a timely fashion.
These have been somewhat intermittent. Please notify support-lead@xxxxxxxxxxxxxxxx if
you encounter such issues (available through the "Contact Us" link on the
Portal).
Thanks for using LEAD!
Tom.
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