FW: [Wrf-users] WRFSI bug: shifted landuse... Is this relevant to us?

[Filipkowski, John D]

Good morning...

Regarding the landuse values... One effect of the incorrect landuse
values is that sites over open water (Bay of Fundy, between Nova Scotia
and New Brunswick, Canada), have pronounced diurnal temperature
variations not observed over the region, as shown by buoy observations.

I'm not aware of which part of WRFSI interpolates land types /land use
types, however, I'm sure the fix should be straightforward.

Regards,



-----Original Message-----
From: wrf-users-bounces at ucar.edu [mailto:wrf-users-bounces at ucar.edu] On
Behalf Of David Ovens
Sent: Tuesday, August 22, 2006 7:27 PM
To: wrf-users at ucar.edu
Subject: [Wrf-users] WRFSI bug: shifted landuse

WRF-users,

We seem to have found a bug in WRFSI that results in incorrectly
shifted landuse.  A comparison between the landuse of MM5 and WRF
indicates this incorrect shift most notably where WRF puts water too
far to the right of coastlines.  The following loop illustrates the
problem and differences for our 12-km domain:

http://www.atmos.washington.edu/~ovens/loops/wxloop.cgi?/home/user_www/o
vens/wrfsi_bug+all

We have found this also in a 4-km domain over Lake Superior.

Has anyone else noticed this problem?  It looks like the fix might be
pretty easy -- has anyone solved this problem?

David
--
David Ovens		 e-mail: ovens at atmos.washington.edu
Research Meteorologist    phone: (206) 685-8108
Dept of Atm. Sciences      plan: Real-time MM5 forecasting for the
Box 351640                        Pacific Northwest
University of Washington          http://www.atmos.washington.edu/mm5rt
Seattle, WA  98195
                                 
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