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Announcing the release of MCIP Version 2.3 (October 2004).
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This version of MCIP includes several minor modifications.

  ( 1) Capability to pass 3D graupel field through to CMAQ
  ( 2) Work-around for NCAR bug in MM5 that impacts P-X LSM
  ( 3) Restored full Jacobian (JACOBF and JACOBF) to output
  ( 4) Restored some P-X fields to output for BEIS 3.12
  ( 5) Corrected formatting issue with GRIDDESC output file
  ( 6) Restored GRIDBDY2D file to output (for CMAQ bndy lat/lon coords)
  ( 7) Corrected I/O API header info for polar stereographic and Mercator
  ( 8) Modified error-checking for collapsed layer settings
  ( 9) Added 10-m wind speed and direction (WSPD10 and WDIR10) to output
  (10) Added MM5-calculated 2-m temperature (TEMP2) to output
  (11) Added user flag to not output GRID files (to save disk space)
  (12) Explicit calculation of dot-pt lat, lon, and map-scale factors
  (13) Eliminated fields of "missing" values in time-varying files
  (14) Changed output land use (DLUSE) to USGS values rather than RADM

For more details, please see the MCIP2 change log (doc/CHANGES) and a preprint for the 2004 CMAS Workshop by T. L. Otte:

http://www.cmascenter.org/html/2004_workshop/abstracts/Forecasting/otte_abstract2.pdf

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Announcing the release of MCIP Version 2.2 (16 June 2003).

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This version of MCIP2 focuses on scientific updates to the dry
deposition schemes with an emphasis on winter simulations.  In
particular, the M3DRY routine has significant updates for MM5
runs that are run with OR without the Pleim-Xiu land-surface
model.  The effects of snow cover are now considered by M3DRY
as well as RADMDRY.  There are also three new dry deposition
species:  N2O5, NO3, and generic aldehyde.  These changes to
the dry deposition will complement the forthcoming CMAQ release.

In addition, the output for MCIP2 has been reduced significantly.
Three files that are not used by any downstream processor were
removed.  In addition, several output variables that are not
directly used by either SMOKE or CMAQ have been removed.

Other changes in MCIPv2.2 include a correction to the hydrostatic
vertical velocity calculation, improved compatibility with versions
of MM5 that predate MM5v2.6, improved instructions on settings of
various script variables, and a restriction on the use of layer
collapsing.

Please see the change log (doc/CHANGES) for more details.

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Announcing the release of MCIP Version 2.1 (27 March 2003).

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This version of MCIP2 focuses on correcting various algorithmic bugs.
These bugs generally exist in previous versions of MCIP1 and MCIP2.
However, the corrections have only been made in MCIP2; there is no
plan to update MCIP1 with these changes.  Users are urged to upgrade
code to MCIP Version 2.1 as soon as possible.

Another update to MCIP2 is anticipated in Summer 2003 to include
scientific updates to the dry deposition schemes with an emphasis
on winter simulations.

The following are the major changes in MCIP Version 2.1:

- Corrected layer collapsing for UHAT_S and VHAT_T (horizontal wind
  components coupled with map-scale factors on the Arakawa-C grid).
  In previous versions of MCIP1 and MCIP2, these two fields were
  inadvertently filled directly from the lowest NLAYS layers of the
  input meteorology data set without collapsing.

- Corrected translation of output horizontal wind components from
  dot points (Arakawa-B grid) to flux points (Arakawa-C grid).

- Changed collapsing of Jacobian to be collapsing of Jacobian coupled
  with density for better mass conservation.  Changed collapsing of
  flux-point winds to be coupled with Jacobian and density for better
  mass conservation.

- Corrected the calculation of the mid-layer density to use virtual
  temperature.

- Corrected vertical weighting in algorithms used to define vertical
  component of wind.

- Corrected algorithm to calculate non-hydrostatic vertical component
  of wind from horizontal and vertical components of wind.

- Modified definitions of I/O API header variables that are calculated
  in MCIP2 from MM5 header variables to minimize real number round-off
  issues.

- Removed unused variable JDRATE from METCRO3D.

- Simplified algorithm to map input meteorology to MCIP_X domain.

- Expanded MCIP_X dot-point arrays to (NCOLS_X+1, NROWS_X+1).

- Constrained calculation of non-PBL parameters with user option LRAD
  in the PBL rediagnosis routine (LPBL=2,3).