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Humidity Data Access and Tools

NASA’s humidity data range from hourly primary forcing data to modeled data based on measurements from high-altitude aircraft. Our datasets and tools help users find and integrate the data they need to see how humidity influences weather, ecosystems, and how we live our lives.

Humidity Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
SBU Mobile Soundings IMPACTS 1 GROUND STATIONS RAWINSONDES 2020-01-18 to 2023-02-28

N: 43.784980773926 S: 40.48413848877 E: -70.869209289551 W: -76.980628967285

netCDF-3
Scanning Multichannel Microwave Radiometer (SMMR) Monthly Mean Atmospheric Liquid Water (ALW) By Prabhakara 1 Nimbus-7 SMMR 1979-02-01 to 1984-05-31 ASCII
Scanning Multichannel Microwave Radiometer (SMMR) Monthly Mean Integrated Water Vapor (IWV) By Prabhakara 1 Nimbus-7 SMMR 1979-01-01 to 1983-09-30 Binary
SCATSAT-1 ESDR Level 2 Ancillary Ocean Surface Fields Version 1.1 1.1 MODELS, SCATSAT-1 Computer, OSCAT-2 2018-04-01 to 2021-03-01

N: 90 S: -90 E: 180 W: -180

12.5 Kilometers x 12.5 Kilometers netCDF-4
SCOAPE Balloon and Ozonesondes Data 1 GROUND-BASED OBSERVATIONS OZONESONDES, RADIOSONDES 2019-05-11 to 2019-05-19

N: 30 S: 27.5 E: -86.5 W: -92

ICARTT
SCOAPE R/V Point Sur Data 1 R/V Point Sur CEILOMETERS, SUN PHOTOMETERS, AETHALOMETER, ANEMOMETERS, PYRANOMETERS 2019-05-09 to 2019-05-19

N: 31.5 S: 26 E: -84 W: -94

NetCDF-3, ICARTT
SCOAPE-II Sondes Data 1 RADIOSONDES OZONESONDES 2024-06-03 to 2024-06-13

N: 29.45 S: 28.12 E: -87.43 W: -90.97

ICARTT
SEAC4RS DC-8 Aircraft In-Situ Meteorological and Navigational Data 1 NASA DC-8 AIMMS, TTS, HYGROMETERS, MMS, DLH 2013-08-02 to 2013-09-24 ICARTT
SEAC4RS ER-2 Aircraft In-Situ Meteorological and Navigational Data 1 NASA ER-2 MMS, NASDAT, JPL LASER HYGROMETERS, MTP, FLUORESCENCE SPECTROSCOPY 2013-08-01 to 2013-09-23 ICARTT
SEAC4RS Merge Data Files 1 NASA DC-8, NASA ER-2 Computer 2013-08-06 to 2013-09-24 ICARTT
SEAC4RS Radiosonde/Ozonesonde Data 1 GROUND STATIONS OZONESONDES, RADIOSONDES 2013-08-07 to 2013-09-28 ICARTT
SMAPVEX16 Manitoba Meteorological Data V001 1 GROUND-BASED OBSERVATIONS HUMIDITY SENSORS, RAIN GAUGES, TEMPERATURE PROBES 2016-05-02 to 2016-09-30

N: 49.68033 S: 49.49968 E: -97.98999 W: -98.0334

CSV, KMZ
S-MODE L2 Shipboard Meteorological Data from Rawinsondes Version 1 1 Ships RAWINSONDES, RADIOSONDES 2021-10-21 to 2023-05-31

N: 38.1 S: 36.3 E: -122.9 W: -125.4

netCDF-4
S-MODE L2 Shipboard Thermosalinograph, Meteorology, and Bio-optics Measurements Version 1 1 Ships THERMOSALINOGRAPHS, FLUOROMETERS 2021-08-01 to 2023-05-04

N: 38.1 S: 36.3 E: -122.9 W: -125.4

netCDF-4
S-MODE Saildrone Level 1 Observations 1 Saildrone ADCP 2021-10-01 to 2022-11-30

N: 38.1 S: 36.3 E: -122.9 W: -125.4

netCDF-4
SnowEx Meteorological Station Measurements from Grand Mesa, CO Raw V001 1 GROUND-BASED OBSERVATIONS CNR4, Campbell Scientific CS106, HC2S3, HydraProbe, RM Young 05103 Wind Monitor, SR50A 2016-10-09 to 2022-08-30

N: 39.03388 S: 39.03388 E: -108.21399 W: -108.21399

,

N: 39.03954 S: 39.03954 E: -107.94174 W: -107.94174

,

N: 39.10358 S: 39.10358 E: -107.88383 W: -107.88383

,

N: 39.05084 S: 39.05084 E: -108.06144 W: -108.06144

,

N: 39.05225 S: 39.05225 E: -108.09792 W: -108.09792

CSV
SnowEx Meteorological Station Measurements from Grand Mesa, CO V001 1 GROUND-BASED OBSERVATIONS CNR4, Campbell Scientific CS106, HC2S3, HydraProbe, RM Young 05103 Wind Monitor, SR50A 2016-10-09 to 2022-08-30

N: 39.03388 S: 39.03388 E: -108.21399 W: -108.21399

,

N: 39.03954 S: 39.03954 E: -107.94174 W: -107.94174

,

N: 39.10358 S: 39.10358 E: -107.88383 W: -107.88383

,

N: 39.05084 S: 39.05084 E: -108.06144 W: -108.06144

,

N: 39.05225 S: 39.05225 E: -108.09792 W: -108.09792

CSV, PNG
SnowEx20 COSMOS Rover Soil Moisture V001 1 GROUND-BASED OBSERVATIONS COSMOS-Rover 2019-11-04 to 2019-11-07

N: 39.04 S: 39 E: -108.09 W: -108.23

CSV
SnowEx20 COSMOS Stationary Soil Moisture V001 1 GROUND-BASED OBSERVATIONS COSMOS-SSP 2019-08-26 to 2020-05-31

N: 39.033 S: 39.033 E: -108.215 W: -108.215

ASCII, CSV
SOLVE I Balloonsondes and Ozonesondes Data 1 GROUND-BASED OBSERVATIONS OZONESONDES, ACATS, LACE, NOAA O3 Classic, SLS, MARK IV INTERFEROMETER, ALIAS, Harvard CO2 1999-11-09 to 2000-03-15 AMES
SOLVE I DC-8 Aircraft In-situ Meteorology and Navigational Data 1 NASA DC-8 DLH, JPL LASER HYGROMETERS, MTP, DADS, CRYO 1999-11-16 to 2000-03-15 AMES
SOLVE I ER-2 Aircraft In-situ Meteorology and Navigational Data 1 NASA ER-2 HWV, MMS, MTP, JPL LASER HYGROMETERS, NAVREC 1998-11-10 to 2000-03-18 AMES
SOLVE I Miscellaneous DC-8 Aircraft Data 1 NASA DC-8 Computer 1999-11-16 to 2000-03-15 GIF, EPS
SOLVE II Balloonsondes and Ozonesondes Data 1 GROUND-BASED OBSERVATIONS OZONESONDES, HYGROMETERS, MARK IV INTERFEROMETER, OPC, CNC 2002-12-03 to 2004-01-11 AMES
Sounder SIPS: AQUA AIRS IR + MW Level 2: Atmospheric state at Standard Pressure Levels derived from CLIMCAPS V2.1 (SNDRAQIML2PLEVCPS) at GES DISC 2.1 Aqua AIRS 2002-08-31 to 2016-09-25

N: 90 S: -90 E: 180 W: -180

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Featured Humidity Observation Method: MLS

The Microwave Limb Sounder (MLS) instrument is carried aboard the Aqua satellite and acquires measurements globally day and night. The MLS makes measurements of atmospheric composition, temperature, humidity and cloud ice that are needed to learn more about weather, climate, and air quality.

Learn More About MLS
image collage of satellite data images of Earth

MLS Near Real-Time Data

Near real-time atmosphere, temperature, humidity, and cloud ice data from the Microwave Limb Sounder (MLS) are available through NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE).
image of MLS SIPS data over Antarctica

MLS Products Available in GIBS

In coordination with the Microwave Limb Sounder (MLS) team, we now have several MLS products available through the GIBS image access APIs.

Humidity Data Tools

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