Search found 25 matches

by niuniu
March 3rd, 2017, 4:32 pm
Forum: Dispersion Model
Topic: About the black dots in the contours figure
Replies: 1
Views: 1864

About the black dots in the contours figure

Dear Sir/Madam, When I want to display the deposition result , the menu is Concentration->Display->Concentration->Contours, there are some black dots in the result figure, but the legend does not include the black color. So these black dots may cause some wrong understanding about the result. I want...
by niuniu
October 21st, 2016, 3:01 pm
Forum: General questions on meteorological data needed for HYSPLIT
Topic: About NAM 12km file
Replies: 1
Views: 2439

About NAM 12km file

Hi, We want to know more details about the NAM12KM files,coule you help me? In the beginning of one NAM 12km file, the content is like the following: METEOROLOGICAL DATA LISTING ... Enter meteorological directory ... Enter meteorological file name ... File start time: 13 9 8 0 0 File ending time: 13...
by niuniu
October 19th, 2016, 6:48 pm
Forum: Dispersion Model
Topic: Get some meteorological data from NAM 12KM
Replies: 8
Views: 4905

Re: Get some meteorological data from NAM 12KM

Hi sir,
In the Nam 12km file ,this line

1068 13 9 815 3 099USTR 0 0.3937008E-02 0.1518861E+00

means 2013-09-08 15:00 UTC at the height of 99m, the stdev of ustr is 0.3937008E-02, and average of ustr is 0.1518861E+00 ?
"1068 13 9 815 3 " , "3" means what?

Many thanks.
by niuniu
October 19th, 2016, 5:46 pm
Forum: Dispersion Model
Topic: Get some meteorological data from NAM 12KM
Replies: 8
Views: 4905

Re: Get some meteorological data from NAM 12KM

Hi sir,

In the NAM 12km file, the unit of ustr is m/s ? are there the standard dedivations of horizontal and vertical wind speed(turbulence intensity) in the NAM 12km file?

Many Thanks.
by niuniu
October 12th, 2016, 6:05 pm
Forum: Dispersion Model
Topic: Get some meteorological data from NAM 12KM
Replies: 8
Views: 4905

Re: Get some meteorological data from NAM 12KM

Hello sir,

In the NAM12KM file , is there solar radiation ?
by niuniu
October 11th, 2016, 10:57 am
Forum: Dispersion Model
Topic: about setup file
Replies: 1
Views: 1681

about setup file

Hello sir,
In the setup file, there is a item like "maxdim = 1", and what meaning is it?

Many thanks.
by niuniu
October 6th, 2016, 12:32 pm
Forum: Dispersion Model
Topic: Get some meteorological data from NAM 12KM
Replies: 8
Views: 4905

Re: Get some meteorological data from NAM 12KM

Hi sir,

I want to get the friction velocity of wind on sept.8th,2013 and sept 16th,2013 in NAM ,and what should I do?

Many thanks
by niuniu
September 28th, 2016, 6:50 pm
Forum: General questions on meteorological data needed for HYSPLIT
Topic: What are the meaning of the signal in the NAM file?
Replies: 2
Views: 2446

What are the meaning of the signal in the NAM file?

Hi, sir,

I get the meteorological parameters about some day in the NAM file , but I do not know the exact meaning of some signal in this file, for example Hmsl/FHR, Mdl sfc,could you help me?
by niuniu
September 28th, 2016, 6:43 pm
Forum: MeteoInfo Software
Topic: Why the percentage exceeds the 100% in the windrose?
Replies: 2
Views: 4228

Re: Why the percentage exceeds the 100% in the windrose?

I have repaint the windrose.

Thank you very much.
by niuniu
September 26th, 2016, 5:07 pm
Forum: MeteoInfo Software
Topic: Why the percentage exceeds the 100% in the windrose?
Replies: 2
Views: 4228

Why the percentage exceeds the 100% in the windrose?

Hi, Sir,
On this website http://www.ready.noaa.gov/ready2-bin/wndrose2a.pl, I shaped a windrose of Spet.16,2013 NAM12KM, from 15pm UTC to 21pm UTC, but one percentage is 105%. I am confused about it. Could you help me?

Many thanks.