What's New?

The Deployment of the Radiosonde Replacement System is currently underway.  Click here for more information.

Radiosonde Replacement System WMO Levels Generation for Coded Messages  

Upper-air Station Information

Network Maps - Maps showing station locations

Fact Sheet - Information on radiosondes

Publications

FMH #3 - Federal Meteorological Handbook #3 - Rawinsonde and Pibal Observations 

NWSM 10 1401 Rawinsonde Observations   This upper air manual replaces NWS Observing Handbook #10,  Rawinsonde Observations, dated October, 2005.

Scroll down to  "NDS 10-14 Upper Air Program" and then select,   "10-1401 Rawinsonde Observations".

The file is in PDF format.

MicroART Training Guide for B2 radiosondes - MicroART Computer Software Users Guide (PDF Version) June, 1997

Engineering Documentation - Modification notes, maintenance schedules, handbooks,  and information on upper-air expendables and equipment stock numbers 

ART Radiosonde Solicitation Copy - RDF Radiosonde Specification Requirements

Radiosonde Instructions - How to prepare the Vaisala RS80-57H radiosonde

1999 AMS Conference - NWS Chamber Tests of Radiosonde Relative Humidity Sensors

1999 AMS Conference - Lessons Learned on Balloon Inflation and Launch Shelters

Background - History of upper-air observations