[ncl-talk] Aura MLS data
Sean Davis
sean.m.davis at noaa.gov
Fri May 1 16:10:39 MDT 2015
Hi,
I’m not sure if this is of use, depending on the type of grid you need the MLS O3 data on, but I put together a gridded satellite WV/ozone product called SWOOSH that includes MLS data, among other satellite instruments. You can download the data from
http://www.esrl.noaa.gov/csd/groups/csd8/swoosh/
Please let me know if you have any questions about this product.
Sean
On May 1, 2015, at 12:00 PM, ncl-talk-request at ucar.edu wrote:
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> Today's Topics:
>
> 1. Re: Aura MLS Data (Verena Lili)
> 2. Wrf 3hrs output to daily outputs (Raja Sivaranjan)
> 3. Re: Wrf 3hrs output to daily outputs (Dennis Shea)
> 4. Typo/Error on Page for if-then-else Statement
> (Lunde, Bruce N CIV NAVOCEANO, NP1)
> 5. Re: Typo/Error on Page for if-then-else Statement (Rick Brownrigg)
> 6. day_of_year: illegal calendar = 'proleptic_gregorian'
> isleapyear: illegal calendar = 'proleptic_gregorian' (Xi Chang)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 1 May 2015 08:25:00 +0200
> From: Verena Lili <verena.prick at gmail.com>
> Subject: Re: [ncl-talk] Aura MLS Data
> To: Dennis Shea <shea at ucar.edu>, "ncl-talk at ucar.edu"
> <ncl-talk at ucar.edu>
> Message-ID:
> <CAOFVKSC7BcaFFnJP2nDCQ5qGi_jZn6aOCpM-JGWdxBJMTjExWg at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Thanks Dennis and Thomas,
> some questions regarding this:
>
> 1. How realible the regrindding data produced from ESMF bilinear
> interpolation, I tried to asked MLS team to provide Aura level 3 data, but
> they said different people in the team used different software to
> interpolate this.
>
> 2. How can I split the "xp_regrid" in the code into an array lat and lon,
> because in the end I want to save the regriding output as a function of
> level, lat and lon.
>
> Thanks.
>
> Dr. Verena.
>
> On Fri, May 1, 2015 at 12:03 AM, Dennis Shea <shea at ucar.edu> wrote:
>
>> http://www.ncl.ucar.edu/Applications/HDF.shtml
>>
>> hdf5eos_3a.ncl
>> <http://www.ncl.ucar.edu/Applications/Scripts/hdf5eos_3a.ncl>: Note
>> the '3a'
>>
>> Good luck
>>
>>
>>
>> On Mon, Apr 27, 2015 at 6:32 AM, Thomas Tobian <thomastobian at gmail.com>
>> wrote:
>>
>>> Hi Verena,
>>>
>>> Have a look at this example:
>>> http://www.ncl.ucar.edu/Applications/Scripts/hdf5eos_3.ncl
>>> Good luck.
>>>
>>> Thomas
>>>
>>> On Fri, Apr 24, 2015 at 9:16 PM, Verena Lili <verena.prick at gmail.com>
>>> wrote:
>>>
>>>> HI everyone,
>>>>
>>>> Anyone has experience in converting Aura MLS data into standard fixed
>>>> grid data?
>>>> Attached is an example file, I'd like to produced the O3 mxing ration
>>>> data as a function of lat, lon and level.
>>>> It the website it says that:
>>>>
>>>> "The data are stored in the version 5 EOS Hierarchical Data Format
>>>> (HDF-EOS5), which is based on the version 5 Hierarchical Data Format, or
>>>> HDF5. Each file contains two swath objects (one with profile data, the
>>>> other with column data), each with a set of data and geolocation fields,
>>>> swath attributes, and metadata."
>>>>
>>>> can anyone give hint how to convert this data correctly by ncl?
>>>> Thanks
>>>>
>>>>
>>>> Regards,
>>>> Dr. Verena
>>>>
>>>> _______________________________________________
>>>> ncl-talk mailing list
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>>>>
>>>
>>> _______________________________________________
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>>>
>>
>
>
> --
> Regards,
> Dr. Verena.
> School of Marine and Atmospheric Sciences
> Stony Brook University
> homepage: http://www.somas.stonybrook.edu/
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> ------------------------------
>
> Message: 2
> Date: Fri, 1 May 2015 17:02:47 +0530
> From: Raja Sivaranjan <rajasivaranjan92 at gmail.com>
> Subject: [ncl-talk] Wrf 3hrs output to daily outputs
> To: ncl-talk at ucar.edu, Mary Haley <haley at ucar.edu>
> Message-ID:
> <CAHa4vc=TBjhjtDsVRbc+MytWQyHS49aXp0C3BYMZdBt1TAb8nQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Dear Madam,
>
> I need to convert wrf 6 hrs outputs to daily ouputs. Is there any ncl code
> to convert wrf 6hrs data to daily data which consider Bucket Option. Major
> variables required are Max and min Temperature( Tmax, Tmin), Rainfall,
> Swdown and Wind Speed.
>
> Below is the description for wrf bucket option
>
> *Buckets in the namelist.input*
>
> The other suggestion is the use of buckets in the &physics section of the
> namelist.input file. Let me explain what that is: if you do not use
> buckets, then the precipitation field keeps accumulating at each timestep.
> This is fine for weather simulations. But if you run WRF for several months
> or several years, then you will end up with a large number for the
> precipitation. So, let's suppose that you need to add 1 mm of rainfall to a
> very large number. Due to rounding errors in computer systems, this 1 mm
> may end up not being added at all. This is where the idea of buckets come
> to place.
>
> When you use buckets, for example of size 100 mm, every time your bucket is
> full, it empties and starts from zero. WRF keeps a count of how many
> buckets you have. It also uses a bucket per grid point.
>
> How do you use buckets in your namelist.input file? Well, in the *&physics*
> section, you should add these options:
>
> *bucket_mm = 100,*
>
> *bucket_J = 1.e9,*
>
> Now, remember that when you finish your simulation and you want to estimate
> the precipitation, you will need to multiply the number of buckets you have
> by 100 mm. You will need to perform the following calculations, using the
> variables WRF has separated when you activated the bucket system:
>
> * RAINC + 100.*I_RAINC*
>
> *RAINNC + 100.*I_RAINNC*
> Need your help
>
> Thanks in advance
> Rajasivaranjan
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> ------------------------------
>
> Message: 3
> Date: Fri, 1 May 2015 06:55:31 -0600
> From: Dennis Shea <shea at ucar.edu>
> Subject: Re: [ncl-talk] Wrf 3hrs output to daily outputs
> To: Raja Sivaranjan <rajasivaranjan92 at gmail.com>
> Cc: "ncl-talk at ucar.edu" <ncl-talk at ucar.edu>, Mary Haley
> <haley at ucar.edu>
> Message-ID:
> <CAOF1d_46uDyqY7DGEuXcHoGtAKJf29_7+2pQR_L5pDMc3SNfSA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> This question is being forwarded to wrfhelp at ucar.edu
>
> ---
> Good Luck
>
> On Fri, May 1, 2015 at 5:32 AM, Raja Sivaranjan <rajasivaranjan92 at gmail.com>
> wrote:
>
>> Dear Madam,
>>
>> I need to convert wrf 6 hrs outputs to daily ouputs. Is there any ncl code
>> to convert wrf 6hrs data to daily data which consider Bucket Option. Major
>> variables required are Max and min Temperature( Tmax, Tmin), Rainfall,
>> Swdown and Wind Speed.
>>
>> Below is the description for wrf bucket option
>>
>> *Buckets in the namelist.input*
>>
>> The other suggestion is the use of buckets in the &physics section of the
>> namelist.input file. Let me explain what that is: if you do not use
>> buckets, then the precipitation field keeps accumulating at each timestep.
>> This is fine for weather simulations. But if you run WRF for several months
>> or several years, then you will end up with a large number for the
>> precipitation. So, let's suppose that you need to add 1 mm of rainfall to a
>> very large number. Due to rounding errors in computer systems, this 1 mm
>> may end up not being added at all. This is where the idea of buckets come
>> to place.
>>
>> When you use buckets, for example of size 100 mm, every time your bucket
>> is full, it empties and starts from zero. WRF keeps a count of how many
>> buckets you have. It also uses a bucket per grid point.
>>
>> How do you use buckets in your namelist.input file? Well, in the
>> *&physics* section, you should add these options:
>>
>> *bucket_mm = 100,*
>>
>> *bucket_J = 1.e9,*
>>
>> Now, remember that when you finish your simulation and you want to
>> estimate the precipitation, you will need to multiply the number of buckets
>> you have by 100 mm. You will need to perform the following calculations,
>> using the variables WRF has separated when you activated the bucket system:
>>
>> * RAINC + 100.*I_RAINC*
>>
>> *RAINNC + 100.*I_RAINNC*
>> Need your help
>>
>> Thanks in advance
>> Rajasivaranjan
>>
>> _______________________________________________
>> ncl-talk mailing list
>> List instructions, subscriber options, unsubscribe:
>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
>>
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> ------------------------------
>
> Message: 4
> Date: Fri, 1 May 2015 14:02:23 +0000
> From: "Lunde, Bruce N CIV NAVOCEANO, NP1" <bruce.lunde at navy.mil>
> Subject: [ncl-talk] Typo/Error on Page for if-then-else Statement
> To: "ncl-talk at ucar.edu" <ncl-talk at ucar.edu>
> Message-ID:
> <80DD5D9E32EF3B42964BDAFA4F4CB6D604B9C56E at NAEACHRLXM03V.nadsusea.nads.navy.mil>
>
> Content-Type: text/plain; charset="us-ascii"
>
> Hello, FYI there is a minor mistake on this page
> about if-then-else-statements:
>
> http://www.ncl.ucar.edu/Document/Language/if.shtml
>
> There should be one less "end if" in this example
> (one "end if" to match each "else"):
>
> if (scalar_logical_expression) then
> statement list
> else if (scalar_logical_expression) then
> statement list
> else if (scalar_logical_expression) then
> statement list
> else
> statement list
> end if
> end if
> end if
> end if
>
>
> ------------------------------
>
> Message: 5
> Date: Fri, 1 May 2015 09:49:01 -0600
> From: Rick Brownrigg <brownrig at ucar.edu>
> Subject: Re: [ncl-talk] Typo/Error on Page for if-then-else Statement
> To: "Lunde, Bruce N CIV NAVOCEANO, NP1" <bruce.lunde at navy.mil>
> Cc: "ncl-talk at ucar.edu" <ncl-talk at ucar.edu>
> Message-ID:
> <CAGKRhbEM9PdexqfmzGvWV=WCfQ+rDp4q68_bFPfjKW-kNGzOrA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi Bruce,
>
> Indeed, you are quite correct -- we'll get it fixed. Thanks for pointing
> it out!
>
> Rick
>
>
> On Fri, May 1, 2015 at 8:02 AM, Lunde, Bruce N CIV NAVOCEANO, NP1 <
> bruce.lunde at navy.mil> wrote:
>
>> Hello, FYI there is a minor mistake on this page
>> about if-then-else-statements:
>>
>> http://www.ncl.ucar.edu/Document/Language/if.shtml
>>
>> There should be one less "end if" in this example
>> (one "end if" to match each "else"):
>>
>> if (scalar_logical_expression) then
>> statement list
>> else if (scalar_logical_expression) then
>> statement list
>> else if (scalar_logical_expression) then
>> statement list
>> else
>> statement list
>> end if
>> end if
>> end if
>> end if
>> _______________________________________________
>> ncl-talk mailing list
>> List instructions, subscriber options, unsubscribe:
>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>
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> ------------------------------
>
> Message: 6
> Date: Fri, 1 May 2015 19:04:36 +0200
> From: Xi Chang <xi.chang01 at gmail.com>
> Subject: [ncl-talk] day_of_year: illegal calendar =
> 'proleptic_gregorian' isleapyear: illegal calendar =
> 'proleptic_gregorian'
> To: "ncl-talk at ucar.edu" <ncl-talk at ucar.edu>
> Message-ID:
> <CAGfRhtdLwqxe8F6x8X5uWdCLKZTrhfBiO_TPBOxbYWJspL2uuA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hallo,
>
> Could you please let me know how to get rid off this error:
>
> day_of_year: illegal calendar = 'proleptic_gregorian'
> isleapyear: illegal calendar = 'proleptic_gregorian'
>
> the errors came from:
>
> *m = yyyymmdd_to_yyyyddd(cd_n) *
>
> any solution to use this function for proleptic gregorian calender?
>
> Thanks.
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> ------------------------------
>
> _______________________________________________
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>
> End of ncl-talk Digest, Vol 138, Issue 1
> ****************************************
Sean Davis
NOAA ESRL Chemical Sciences DivisionMail Stop R/CSD-8325 S. Broadway
Boulder, CO 80305
Sean.M.Davis at noaa.gov
office: 3A-122, DSRC
phone: 303-497-4328
fax: 303-497-5373
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