[ncl-talk] solar radiation

[Barry Lynn]

Hi:

That's with option 4 for sw.

SWDDNI and SWDDNIC

On Fri, Jan 25, 2019 at 11:52 AM Komal Shukla <komalshukla1992 at gmail.com>
wrote:

> Hi Barry,
>
> Thank you, what parameter do we take to calculate direct normal?
> kim
>
>
> On Thu, Jan 24, 2019 at 11:28 PM Barry Lynn <barry.h.lynn at gmail.com>
> wrote:
>
>> Please try taking SWDOWN by itself.
>>
>> If you need direct normal then write again.
>>
>> Barry
>>
>> On Thu, Jan 24, 2019 at 2:15 PM Komal Shukla <komalshukla1992 at gmail.com>
>> wrote:
>>
>>> Dear NCL team,
>>>
>>> I am trying to extract solar radiaion (w/m2) from my wrf  outputs, and
>>> compare it with ground observation.
>>>
>>> SWDOWN = wrf_user_getvar(aa,"SWDOWN", -1 )      ; 3D tc
>>>
>>> GLW = wrf_user_getvar(aa,"GLW", -1 )      ; 3D tc
>>> I am taking total of swdown and glw and comparing it with ground obs.
>>> The total(GLW+SWDOWN = around 1000 w/m2 in summer noon) is way high than
>>> the actual observation (around 340 w/m2 in summer noon).
>>>
>>> My ncl script is
>>>
>>> rh2 = wrf_user_getvar(aa,"SWDOWN", -1 )      ; 3D tc
>>>
>>>  rh2_day=new(24,float)
>>>
>>>  rh2_dd=new((/numFILES,24/),float)
>>>
>>> rh2_day_ist=new(24,float) ; f
>>>
>>>  rh2_t=rh2(:,Y1,X1)
>>>
>>>   print(rh2_t)
>>>
>>> asciiwrite("rh_pb_720", rh2_t)
>>>
>>>   do id=0,(numFILES-1)
>>>
>>>   do ih=0,23
>>>
>>>       idh=ih+id*24
>>>
>>>       rh2_dd(id,ih)=rh2_t(idh)
>>>
>>>   end do
>>>
>>>   end do
>>>
>>>  rh2_day_m=dim_avg_n(rh2_dd,0)
>>>
>>>
>>> Is there some other way to calculate surface solar radiation?
>>> I'd appreciate any help.
>>>
>>> Kim
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>>
>>
>> --
>> Barry H. Lynn, Ph.D
>> Senior Associate Scientist, Lecturer,
>> The Institute of the Earth Science,
>> The Hebrew University of Jerusalem,
>> Givat Ram, Jerusalem 91904, Israel
>> Tel: 972 547 231 170
>> Fax: (972)-25662581
>>
>> C.E.O, Weather It Is, LTD
>> Weather and Climate Focus
>> http://weather-it-is.com
>> Jerusalem, Israel
>> Local: 02 930 9525
>> Cell: 054 7 231 170
>> Int-IS: x972 2 930 9525
>>
>>

-- 
Barry H. Lynn, Ph.D
Senior Associate Scientist, Lecturer,
The Institute of the Earth Science,
The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
Tel: 972 547 231 170
Fax: (972)-25662581

C.E.O, Weather It Is, LTD
Weather and Climate Focus
http://weather-it-is.com
Jerusalem, Israel
Local: 02 930 9525
Cell: 054 7 231 170
Int-IS: x972 2 930 9525
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