please assist with lat lon selection

[kcmonaka]

I am trying to do a test simultion but I am failling to select a region which covers SADC region (Southern African Countries ) please find attached namelists for your ssistance

 

[Ming Chen]

Can you tell me the lat/lon of the center of SADC region ? Also, how large do you want your domain to be and what resolution you prefer to have? With these information I will be able to help specify some options in namelist.wps.

 

[kcmonaka]

The approximate center coordinates of the SADC region are:

Latitude: -20.0 degrees Longitude: 25.0 degrees
Please use the attached picture as reference. I want to cover a domain like that.

 

[Deleted member 3607]

The approximate center coordinates of the SADC region are:

Latitude: -20.0 degrees Longitude: 25.0 degrees
Please use the attached picture as reference. I want to cover a domain like that. View attachment 9805

have you tried using the WRFDomainWizard?

WRF Portal

WRF Portal is the graphical user interface (GUI) front end for configuring and running both WRF cores: ARW and NMM, as well as configuring and running your own programs/scripts (like post). It simplifies the selection/localization of your domain, the running and monitoring of WRF, running...

esrl.noaa.gov

It's a little old but it will do the job while you wait for @Ming Chen

 

[kcmonaka]

Ok t

have you tried using the WRFDomainWizard?

WRF Portal

WRF Portal is the graphical user interface (GUI) front end for configuring and running both WRF cores: ARW and NMM, as well as configuring and running your own programs/scripts (like post). It simplifies the selection/localization of your domain, the running and monitoring of WRF, running...

esrl.noaa.gov

It's a little old but it will do the job while you wait for @Ming Chen

Thank you. Let me check it out.

Regards

 

[Ming Chen]

Please see the attached namelist.wps. This is for your reference and you can always adjust grid interval and grid numbers to increase/decrease the domain size.

 

[kcmonaka]

I tried the suggested grid intervals and still no change.

 

[Deleted member 3607]

I tried the suggested grid intervals and still no change

I can help with this...message me directly
@Ming Chen @kcmonaka

 

[Deleted member 3607]

The approximate center coordinates of the SADC region are:

Latitude: -20.0 degrees Longitude: 25.0 degrees
Please use the attached picture as reference. I want to cover a domain like that. View attachment 9805

what grid size are you looking for in that domain box?

 

[kcmonaka]

what grid size are you looking for in that domain box?

around 100km.

 

[Deleted member 3607]

around 100km.

what is your input data?

 

[kcmonaka]

I am using GFS data..

 

[Ming Chen]

Are you running the standard WPS? or you run with DomainWizard? if you us the latter, pleas switch to standard WPS.

I ran standard WPS and plotted the domain , which looked fine. Please see the attached plot.

 

[kcmonaka]

Ok I was using Dwiz but tomorrow I’ll switch to standard WPS. I’ll give you feedback many thanks