[Wrf-users] Re:Wrf-users Digest, Vol 41, Issue 1
eddycarl at 126.com
eddycarl at 126.com
Thu Jan 3 21:06:49 MST 2008
Hi Dan,
After you add the "fdda" part in your namelist.input, have you run real.exe again to obtain the "wrffdda_d01" file?
Carl
ÔÚ2008-01-04£¬wrf-users-request at ucar.edu дµÀ£º
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Today's Topics:
1. WRF Model Version 2: Experimental Nudging Options - question
2 (Dan Dansereau)
2. Re: Wrf-users Digest, Vol 40, Issue 9 (wrfhelp)
----------------------------------------------------------------------
Message: 1
Date: Wed, 2 Jan 2008 14:38:25 -0800
From: "Dan Dansereau" <ddansereau at hydropoint.com>
Subject: [Wrf-users] WRF Model Version 2: Experimental Nudging Options
- question 2
To: <wrf-users at ucar.edu>
Message-ID:
<9E8869B62C56004781914D8107A36DEF01AA9DF6 at email.corp.hydropoint.com>
Content-Type: text/plain; charset="iso-8859-1"
To All
Hello - again - 2nd, question - this time about analysis nudging?
I have the analysis files in proper directory and when I run the real.exe - wrf.exe sequence, it executes properly.
However when I turn in the fdda by using the following namelist fragment
&fdda
grid_fdda = 1,
gfdda_inname = "wrffdda_d<domain>",
gfdda_interval_m = 360,
gfdda_end_h = 24,
io_form_gfdda = 2,
fgdt = 0,
if_no_pbl_nudging_uv = 0,
if_no_pbl_nudging_t = 0,
if_no_pbl_nudging_q = 0,
if_zfac_uv = 0,
k_zfac_uv = 10,
if_zfac_t = 0,
k_zfac_t = 10,
if_zfac_q = 0,
k_zfac_q = 10,
guv = 0.0003,
gt = 0.0003,
gq = 0.0003,
if_ramping = 1,
dtramp_min = 60.0,
/
I get the following error in the rsl.out.0000 files
.
.
D01 Analysis nudging for wind is turned on and Guv= 0.3000E-03
D01 Analysis nudging for temperature is turned on and Gt= 0.3000E-03
D01 Analysis nudging for water vapor mixing ratio is turned on and Gq= 0.3000E-03
Timing for Writing wrfout_d01_2008-01-01_00:00:00 for domain 1:42.94600 elapsed seconds.
2 input_wrf: wrf_get_next_time current_date: 2008-01-01_00:00:00 Status = -102
-------------- FATAL CALLED ---------------
FATAL CALLED FROM FILE: input_wrf.b LINE: 491
... Could not find matching time in input file
-------------------------------------------
The Error is always on the 1st output.
Any cluse of what I am doing wrong - or is there additional documentation besides the
http://www.mmm.ucar.edu/wrf/users/wrfv2/How_to_run_grid_fdda.html
page?
Thanks in advance again ....
Dan A. Dansereau
Director - WeatherTRAK Climate Center
1.800.362.8774?Main Office
1.707.338.4539 cell
1.435.755.9417 Utah Office
------------------------------
Message: 2
Date: Wed, 2 Jan 2008 18:01:10 -0700
From: wrfhelp <wrfhelp at ucar.edu>
Subject: [Wrf-users] Re: Wrf-users Digest, Vol 40, Issue 9
To: wrf-users at ucar.edu
Message-ID: <C8F4A91E-3C46-4630-875C-EC9D09F816CA at ucar.edu>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
For surface observations, the influence of it will be extended to the
model-calculated boundary layer with
the weight decreasing with vertical distance above the surface.
Therefore, the surface data will not influence
model above model-computed PBL height. For upper air data, they do not
extend down to the boundary layer.
wrfhelp
On Dec 29, 2007, at 12:00 PM, wrf-users-request at ucar.edu wrote:
> Send Wrf-users mailing list submissions to
> wrf-users at ucar.edu
>
> To subscribe or unsubscribe via the World Wide Web, visit
> http://mailman.ucar.edu/mailman/listinfo/wrf-users
> or, via email, send a message with subject or body 'help' to
> wrf-users-request at ucar.edu
>
> You can reach the person managing the list at
> wrf-users-owner at ucar.edu
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Wrf-users digest..."
>
>
> Today's Topics:
>
> 1. WRF Model Version 2: Experimental Nudging Options (Dan
> Dansereau)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 28 Dec 2007 17:02:14 -0800
> From: "Dan Dansereau" <ddansereau at hydropoint.com>
> Subject: [Wrf-users] WRF Model Version 2: Experimental Nudging Options
> To: <wrf-users at ucar.edu>
> Message-ID:
> <9E8869B62C56004781914D8107A36DEF01AA9A11 at email.corp.hydropoint.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> To All
> After reading a considerable amount of contradicting email about
> the observational nudging - I feel that I need to ask the experts a
> set of yes/no questions, and possibly why.
>
> 1) Does the observational nudging work on "the surface" / or lowest
> or inside the boundary layer?
>
> 2) Do the surface only stations nudge or change the data above the
> boundary layer?
>
> And
>
> 3) If number 1 is no - could you point me to some documentation/
> reference material as to why this is this way?
>
>
> Thanks in Advance
> Dan A. Dansereau
> Director - WeatherTRAK Climate Center
> 1.800.362.8774 Main Office
> 1.707.338.4539 cell
> 1.435.755.9417 Utah Office
>
>
>
> ------------------------------
>
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> Wrf-users mailing list
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>
> End of Wrf-users Digest, Vol 40, Issue 9
> ****************************************
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