[Met_help] [rt.rap.ucar.edu #84261] History for High-resolution masking along coastlines
John Halley Gotway via RT
met_help at ucar.edu
Fri Mar 2 16:45:21 MST 2018
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Initial Request
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Hello MET support,
I would like to use a high-resolution data set to mask the west coast of
the U.S. for my comparison of observed and modeled precipitation. I am
specifically looking at the Pacific Northwest and using GFS output and
Stage IV data (and plan to use other models and observation data sets).
I tried using an intersection of WEST.poly and another file that has the
lats and lons of the box in the Pacific Northwest that I am interested in
looking at. This method worked in isolating the region of interest, however
the WEST.poly file was not detailed enough to mask model output over the
ocean. Do you know of a higher-resolution file I can use to mask the model
output and observations close to the coast?
Thank you, Lisa Darby
--
*Lisa S. Darby, Meteorologist*
NOAA/Earth System Research Laboratory/Physical Sciences Division
Hydrometeorology Observations and Processes
R/PSD
325 Broadway
Boulder, CO 80305
303-497-5219
http://www.esrl.noaa.gov/psd/hydromet-observations/
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Complete Ticket History
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Subject: High-resolution masking along coastlines
From: John Halley Gotway
Time: Thu Mar 01 18:44:14 2018
Hi Lisa,
I see that you're looking for a higher resolution of the west coast of
the
United States. If you’re really just looking for a land/sea mask, you
could try to find one in your model output file and then use data type
masking in the gen-vx-mask tool.
In the long run we plan to enhance gen-vx-mask to read GIS shapefiles
directly, which would really help in this case.
Let me know if the data mask option doesn’t suffice and I’ll look into
more
options using polylines.
Thanks
John Halley Gotway
On Wed, Feb 28, 2018 at 6:07 PM, Lisa Darby - NOAA Federal via RT <
met_help at ucar.edu> wrote:
>
> Wed Feb 28 18:07:16 2018: Request d84261 was acted upon.
> Transaction: Ticket created by lisa.darby at noaa.gov
> Queue: met_help
> Subject: High-resolution masking along coastlines
> Owner: Nobody
> Requestors: lisa.darby at noaa.gov
> Status: new
> Ticket <URL:
https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=84261 >
>
>
> Hello MET support,
>
> I would like to use a high-resolution data set to mask the west
coast of
> the U.S. for my comparison of observed and modeled precipitation. I
am
> specifically looking at the Pacific Northwest and using GFS output
and
> Stage IV data (and plan to use other models and observation data
sets).
>
> I tried using an intersection of WEST.poly and another file that has
the
> lats and lons of the box in the Pacific Northwest that I am
interested in
> looking at. This method worked in isolating the region of interest,
however
> the WEST.poly file was not detailed enough to mask model output over
the
> ocean. Do you know of a higher-resolution file I can use to mask the
model
> output and observations close to the coast?
>
> Thank you, Lisa Darby
>
>
> --
> *Lisa S. Darby, Meteorologist*
> NOAA/Earth System Research Laboratory/Physical Sciences Division
> Hydrometeorology Observations and Processes
> R/PSD
> 325 Broadway
> Boulder, CO 80305
>
> 303-497-5219
>
> http://www.esrl.noaa.gov/psd/hydromet-observations/
>
>
------------------------------------------------
Subject: High-resolution masking along coastlines
From: Lisa Darby - NOAA Federal
Time: Fri Mar 02 11:13:57 2018
Hi John,
Thank you for your response. The land mask I found in the GFS did a
sufficient job. Thank you for that idea.
A general comment - I think it would be great to be able to
incorporate a
GIS file into genvxmask.
Lisa
On Thu, Mar 1, 2018 at 6:44 PM, John Halley Gotway via RT
<met_help at ucar.edu
> wrote:
> Hi Lisa,
>
> I see that you're looking for a higher resolution of the west coast
of the
> United States. If you’re really just looking for a land/sea mask,
you
> could try to find one in your model output file and then use data
type
> masking in the gen-vx-mask tool.
>
> In the long run we plan to enhance gen-vx-mask to read GIS
shapefiles
> directly, which would really help in this case.
>
> Let me know if the data mask option doesn’t suffice and I’ll look
into more
> options using polylines.
>
> Thanks
> John Halley Gotway
>
> On Wed, Feb 28, 2018 at 6:07 PM, Lisa Darby - NOAA Federal via RT <
> met_help at ucar.edu> wrote:
>
> >
> > Wed Feb 28 18:07:16 2018: Request d84261 was acted upon.
> > Transaction: Ticket created by lisa.darby at noaa.gov
> > Queue: met_help
> > Subject: High-resolution masking along coastlines
> > Owner: Nobody
> > Requestors: lisa.darby at noaa.gov
> > Status: new
> > Ticket <URL:
https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=84261 >
> >
> >
> > Hello MET support,
> >
> > I would like to use a high-resolution data set to mask the west
coast of
> > the U.S. for my comparison of observed and modeled precipitation.
I am
> > specifically looking at the Pacific Northwest and using GFS output
and
> > Stage IV data (and plan to use other models and observation data
sets).
> >
> > I tried using an intersection of WEST.poly and another file that
has the
> > lats and lons of the box in the Pacific Northwest that I am
interested in
> > looking at. This method worked in isolating the region of
interest,
> however
> > the WEST.poly file was not detailed enough to mask model output
over the
> > ocean. Do you know of a higher-resolution file I can use to mask
the
> model
> > output and observations close to the coast?
> >
> > Thank you, Lisa Darby
> >
> >
> > --
> > *Lisa S. Darby, Meteorologist*
> > NOAA/Earth System Research Laboratory/Physical Sciences Division
> > Hydrometeorology Observations and Processes
> > R/PSD
> > 325 Broadway
> > Boulder, CO 80305
> >
> > 303-497-5219
> >
> > http://www.esrl.noaa.gov/psd/hydromet-observations/
> >
> >
>
>
--
*Lisa S. Darby, Meteorologist*
NOAA/Earth System Research Laboratory/Physical Sciences Division
Hydrometeorology Observations and Processes
R/PSD
325 Broadway
Boulder, CO 80305
303-497-5219
http://www.esrl.noaa.gov/psd/hydromet-observations/
------------------------------------------------
Subject: High-resolution masking along coastlines
From: John Halley Gotway
Time: Fri Mar 02 11:35:08 2018
Lisa,
Glad that did the trick. And thanks for the feedback about GIS
shapefiles. Unfortunately, we won't be able to get it into the
upcoming
release of MET (version 7.0), but should be able to get it into the
one
after that, v7.1.
I'll go ahead and resolve this ticket.
Thanks,
John
On Fri, Mar 2, 2018 at 11:13 AM, Lisa Darby - NOAA Federal via RT <
met_help at ucar.edu> wrote:
>
> <URL: https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=84261 >
>
> Hi John,
> Thank you for your response. The land mask I found in the GFS did a
> sufficient job. Thank you for that idea.
>
> A general comment - I think it would be great to be able to
incorporate a
> GIS file into genvxmask.
>
> Lisa
>
> On Thu, Mar 1, 2018 at 6:44 PM, John Halley Gotway via RT <
> met_help at ucar.edu
> > wrote:
>
> > Hi Lisa,
> >
> > I see that you're looking for a higher resolution of the west
coast of
> the
> > United States. If you’re really just looking for a land/sea mask,
you
> > could try to find one in your model output file and then use data
type
> > masking in the gen-vx-mask tool.
> >
> > In the long run we plan to enhance gen-vx-mask to read GIS
shapefiles
> > directly, which would really help in this case.
> >
> > Let me know if the data mask option doesn’t suffice and I’ll look
into
> more
> > options using polylines.
> >
> > Thanks
> > John Halley Gotway
> >
> > On Wed, Feb 28, 2018 at 6:07 PM, Lisa Darby - NOAA Federal via RT
<
> > met_help at ucar.edu> wrote:
> >
> > >
> > > Wed Feb 28 18:07:16 2018: Request d84261 was acted upon.
> > > Transaction: Ticket created by lisa.darby at noaa.gov
> > > Queue: met_help
> > > Subject: High-resolution masking along coastlines
> > > Owner: Nobody
> > > Requestors: lisa.darby at noaa.gov
> > > Status: new
> > > Ticket <URL:
https://rt.rap.ucar.edu/rt/Ticket/Display.html?id=84261
> >
> > >
> > >
> > > Hello MET support,
> > >
> > > I would like to use a high-resolution data set to mask the west
coast
> of
> > > the U.S. for my comparison of observed and modeled
precipitation. I am
> > > specifically looking at the Pacific Northwest and using GFS
output and
> > > Stage IV data (and plan to use other models and observation data
sets).
> > >
> > > I tried using an intersection of WEST.poly and another file that
has
> the
> > > lats and lons of the box in the Pacific Northwest that I am
interested
> in
> > > looking at. This method worked in isolating the region of
interest,
> > however
> > > the WEST.poly file was not detailed enough to mask model output
over
> the
> > > ocean. Do you know of a higher-resolution file I can use to mask
the
> > model
> > > output and observations close to the coast?
> > >
> > > Thank you, Lisa Darby
> > >
> > >
> > > --
> > > *Lisa S. Darby, Meteorologist*
> > > NOAA/Earth System Research Laboratory/Physical Sciences Division
> > > Hydrometeorology Observations and Processes
> > > R/PSD
> > > 325 Broadway
> > > Boulder, CO 80305
> > >
> > > 303-497-5219
> > >
> > > http://www.esrl.noaa.gov/psd/hydromet-observations/
> > >
> > >
> >
> >
>
>
> --
> *Lisa S. Darby, Meteorologist*
> NOAA/Earth System Research Laboratory/Physical Sciences Division
> Hydrometeorology Observations and Processes
> R/PSD
> 325 Broadway
> Boulder, CO 80305
>
> 303-497-5219
>
> http://www.esrl.noaa.gov/psd/hydromet-observations/
>
>
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