Search found 12 matches

by gracy.hm
February 21st, 2015, 9:42 am
Forum: Trajectory Model
Topic: regarding MLD
Replies: 5
Views: 3177

Re: regarding MLD

Hello, Thanks for your reply. Yes when the USE METEOROLOGICAL MODEL is selected and required data is selected then whether HYSPLIT do some processing of data? or interpolation. I think for time the interpolation is made Is there any processing which is made in the MLD data. Thanks for your reply
by gracy.hm
February 19th, 2015, 5:37 am
Forum: Trajectory Model
Topic: regarding MLD
Replies: 5
Views: 3177

Re: regarding MLD

Thanks for your reply It is just a query. When we run the mixing layer depth from HYSPLIT. "Under Mixing layer computation method" there There is option to select the use meteorological model. If I know a meterological model which provides the MLD within HYSPLIT then is there some option to select w...
by gracy.hm
February 18th, 2015, 6:21 am
Forum: Trajectory Model
Topic: regarding MLD
Replies: 5
Views: 3177

regarding MLD

Hello, I want to know the detail regarding the mixing layer depth calculation in HYSPLIT. There is some information available about the mixing layer depth in hysplit documentation. At what time interval we get the MLD output from hysplit. Although MLD can also be calculated from the meteorological d...
by gracy.hm
February 13th, 2015, 3:17 am
Forum: Users
Topic: trajectory info
Replies: 0
Views: 2572

trajectory info

Hello, I want to plot trajectories for some episode. I have few queries. 1) At what GMT I should plot my trajectories? 2) I am plotting the back air trajectories so how many days I should select . At present I am checking for dust and selecting 5 days. 3) At present I am trying to plot at 3 altitude...
by gracy.hm
November 20th, 2014, 1:05 am
Forum: Repositories of HYSPLIT formatted data
Topic: GDAS Archive at University of Alaska
Replies: 2
Views: 4546

Re: GDAS Archive at University of Alaska

Hello, Can someone help me about 1) The detail data discription of each parameter how it is calculated in GDAS data set. The U and V winds are in m/s but the W wind is given in terms of the pressure and its unit is "hPa/s" can anyone suggest how to convert the wind unit from hpa/s to m/s 2) Can anyo...
by gracy.hm
November 18th, 2014, 5:52 am
Forum: Users
Topic: general query
Replies: 3
Views: 2549

Re: general query

Hello,
Thanks for your reply, yes I am aware of the fact that with WRF it can be done. I dont want to go for model run as it will take so much of time in setup etc. I was just checking at least of at 0.5 degree or 0.25 degre if the data is available?


Thanks for your reply and help
by gracy.hm
November 17th, 2014, 2:36 am
Forum: Users
Topic: general query
Replies: 3
Views: 2549

general query

Hello,
I was in need of vertical winds , U , V winds at a higher resolution 0.25 degree and below ( if possible in meter resolution) over the world location outside US.
Can someone suggest me from where can I get .

I shall be very thankful.
Gracy
by gracy.hm
December 16th, 2013, 2:53 am
Forum: Trajectory Model
Topic: Back trajectories
Replies: 3
Views: 3382

Re: Back trajectories

Hi, Can someone tell me that the MODEL VERTICAL VELOCITY option in the online version of Hysplit [ RIGHT side of figure in circle] corresponds to which option in the registered PC (window) version [ LEFT side of options in figure] Please have a look at Image I shall be extremely thankful for any rep...
by gracy.hm
December 13th, 2013, 1:52 am
Forum: Trajectory Model
Topic: Trajectory option
Replies: 1
Views: 1275

Trajectory option

Hi, when we plot trajectories which option we should take to plot trajectories. Iscentropic trajectories calculation or Sigma calculation for trajectories calculation. In my case when I am running iscentripic trajectories I am getting strong westerlies while as when I am calculation using sigma coor...
by gracy.hm
December 9th, 2013, 6:06 am
Forum: Conversion programs
Topic: What are the minimum fields needed for HYSPLIT?
Replies: 3
Views: 2664

Re: What are the minimum fields needed for HYSPLIT?

Hi, when we plot trajectories which option we should take to plot trajectories. Iscentropic trajectories calculation or Sigma calculation for trajectories calculation. Se the image , according to what option we select out output thus our inferences will be entirely different . Please have a look. Th...