The United States National Weather Service launches radiosondes twice daily from 92 stations, 69 in the conterminous United States, 13 in Alaska, nine in the Pacific, and one in Puerto Rico. It also supports the operation of 10 radiosonde sites in the Caribbean. A list of U.S. operated land based launch sites can be found in Appendix C, U.S. Land-based Rawinsonde StationsU.S. Land-based Rawinsode Stations of the Federal Meteorological Handbook #3, titled Rawinsonde and Pibal Observations, dated May 1997.
the united states national weather service launches radiosondes twice daily from 92 stations 69 in the conterminous united states 13 in alaska nine in the pacific and one in puerto rico it also supports the operation of 10 radiosonde sites in the caribbean a list of us operated land based launch sites can be found in appendix c us land-based rawinsonde stationsus land-based rawinsode stations of the federal meteorological handbook #3 titled rawinsonde and pibal observations dated may 1997