[Wrf-users] WRF help, TSK simulated with urban canopy model

[Xiaoming Hu]

Fu,Peng

During daytime, it is reasonable that urban TSK is lower than the rural 
TSK since urban area has larger heat capacity.
See in my case
daytime:        nighttime
http://www.caps.ou.edu/micronet/WRF-UCM/FocusON_OKC/WRFV3.4.1/YSU/wrfNARR5dWSM6_UCM.2003071700/wrfout_d05_TSK_25.png

You may read some relevant paper, e.g.,
Hu, X.-M., P. M. Klein, M. Xue, J. K. Lundquist, F. Zhang, and Y. Qi 
(2013), Impact of low-level jets on the nocturnal urban heat island 
intensity in Oklahoma City 
<http://journals.ametsoc.org/doi/abs/10.1175/JAMC-D-12-0256.1>. /J. 
Appl. Meteor. Climatol./, doi:10.1175/JAMC-D-12-0256.1.

Cheers!
Xiaoming


On 03/21/2016 10:00 AM, Peng Fu wrote:
>
> Hello,
>
> Below is the MODIS land use data used in WRF. The red is the urban area.
>
> Right now the simulation of surface temperature (TSK) from WRF is much 
> better than what I have before.
>
> But the problem is that surface temperatures in the non-urban regions 
> is higher than those in the urban regions (I expect higher temperature 
> in the urban areas).
>
> So what might be the problem?   The time for the TSK map is local tine 
> 10 AM.
>
> MODIS land use data
>
> TSK simulation
>
> *From:*xiaoming Hu [mailto:yuanfangcan at hotmail.com]
> *Sent:* Wednesday, March 09, 2016 5:20 PM
> *To:* Peng Fu; wrf-users at ucar.edu
> *Cc:* Xiaoming Hu
> *Subject:* RE: [Wrf-users] WRF help, TSK simulated with urban canopy model
>
> Is this nighttime TSK?
> If those red spots match with the urban land use categories?   If so,  
> I think it is probably reasonable.
> I don't see anything wrong with the namelist
>
> Cheers!
> Xiaoming
> http://faculty-staff.ou.edu/H/Xiaoming.Hu-1/
>
> ------------------------------------------------------------------------
>
> From: fupenghzau at gmail.com <mailto:fupenghzau at gmail.com>
> To: wrf-users at ucar.edu <mailto:wrf-users at ucar.edu>
> Date: Wed, 9 Mar 2016 15:38:29 -0500
> Subject: [Wrf-users] WRF help
>
> Hello,
>
> I set up three one-way nested domains to simulate surface temperature. 
> But it look the temperature data is too noisy.
>
> Could someone provide me some suggestions on this?
>
> I also attached my namelist.input file.
>
> Thanks!
>
> -Peng
>
> TSK
>
>
> MODIS
>
>
>
> _______________________________________________ Wrf-users mailing list 
> Wrf-users at ucar.edu <mailto:Wrf-users at ucar.edu> 
> http://mailman.ucar.edu/mailman/listinfo/wrf-users
>

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