North Las Vegas Airport

Integrated Upper-Air Monitoring Station 

Operated by T&B Systems


Under contract to the Clark County Department of Air Quality and Environmental Management (DAQEM), T&B Systems has installed and is operating an upper-air monitoring station comprised of a Vaisala radar wind profiler, AeroVironment (now ASC) sodar, and a Radiometrics profiling radiometer.  Software developed by T&B Systems is used to automatically compile collected data into hourly averages and format the information into files compatible with the RAOB display software.  These data are posted hourly to this site and are available using the data links below.  The information provides an effective rawinsonde sounding every hour with wind profiles from the surface to 3 kilometers AGL and temperature and humidity profiles to 10 kilometers AGL.  Data are screened using basic QC parameters following each hour of collection and the resulting data files made available approximately 15 minutes past the top of the hour.  

 

Each of the above instruments provides it's own format of the data collected.  Each of these formats are available through the FTP site.  Additionally, graphical representations of the current collected data are provided.  Radar wind profiler data are updated hourly, the profiling radiometer data are updated every five minutes.  All data presented are in the raw form with no editing performed.  Clicking on the image will open the graphic in the same window.  Use the back button to return here.  The graphical displays provide the data to approximately 4km AGL.  Data to 10km are provided through the links below.

 

Radar Wind Profiler 24-hour Time-Height Cross Section
Time is PST with the reporting convention being hour beginning

Profiling Radiometer Thermodynamic 24-hour Time Series
Time is PST

Profiling Radiometer Latest Sounding
Radiometer time is PST, RAOB time is GMT

The last week of daily real-time data files is available using the associated links.  It should be noted that if this method is used to download the files then the files are not named with the date stamp.  Date stamped files are available from the FTP site.  

 

Today's data  (day 0)  day-1  day-2  day-3  day-4  day-5  day-6

 

To the right is a Beta display of the real-time time-height cross section updates generated from the RAOB software.  Temperature is color coded according to the scale at the top, with the relative humidity analysis provided with isopleths.  The full size view can be obtained by clicking on the image.  The indicated time is hour ending PST.  This display is in development.

For additional information about the site operations contact Bob Baxter at T&B Systems - (661) 294-1103


Note: This web site is dynamically updated and that while the general contents may not appear to change, the links to status files are routinely updated.  All data presented are preliminary and subject to change.


 

Copyright © 2009, T&B Systems