Please note: Due to scheduled maintenance, many NCEI systems will be unavailable Sunday, February 22, 12:00 PM ET - 4:00 PM ET. We apologize for any inconvenience.

Upper Air Observations

Products

Infrared Sounder Atmospheric Temperature and Humidity Profiles
Integrated Global Radiosonde Archive (IGRA)
IR Sounder Upper Tropospheric Humidity BT CDR
Mean Layer Temperature - NOAA CDR
Mean Layer Temperature - RSS CDR

Mean Layer Temperature - UCAR (Lower Stratosphere) CDR
Mean Layer Temperature - UCAR (Upper Troposphere and Lower Stratosphere) CDR
Ozone - ESRL CDR
Radiosonde Atmospheric Temperature Products for Assessing Climate (RATPAC)