Live Daily Data Set

Daily Atmospheric
Data Set

Real-time surface conditions at the Casey, Illinois launch base (NOAA-model powered) combined with the daily International Ground Data Repository index of global upper-air and radiosonde observations.

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Casey, Illinois — Ground Weather

Local surface observations for flight context · NOAA GFS / HRRR model driven via Open-Meteo

Location: 39.2992°N, 87.9925°W · ~200 m Timezone: America/Chicago View raw daily JSON →

NOAA Upper-Air & Global Radiosonde Index

Daily curated snapshot from the International Ground Data Repository — primarily NOAA Integrated Global Radiosonde Archive (IGRA)

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Primary Source
NOAA IGRA v2.2
Integrated Global Radiosonde Archive
NCEI Landing Page →
Recent Soundings
Year-to-Date Files
Daily-updated bulk access
Browse Y2D Data →
Stations
IGRA Station List
~800–900 currently updating
Download List →

Data Credits & Public Repositories

Local Ground Weather (Casey, IL)

Compiled daily by Midwest Stratospheric Data Systems and published in the public repository github.com/Midwest-Stratospheric/msds-data under ground-weather/daily/. Meteorological values are provided by Open-Meteo (CC BY 4.0), driven primarily by NOAA GFS / HRRR and regional numerical weather prediction models.

International Ground Data Repository (IGDR)

Daily indexes and curated snapshots are maintained at github.com/Midwest-Stratospheric/International-Ground-Data-Repository. Primary source data is the NOAA Integrated Global Radiosonde Archive (IGRA). Always cite the original data provider:

Durre, Imke; Yin, Xungang; Vose, Russell S.; Applequist, Scott; Arnfield, Jeff; Korzeniewski, Bryant; Hundermark, Bruce. (2016) Integrated Global Radiosonde Archive (IGRA), Version 2. NOAA National Centers for Environmental Information. DOI:10.7289/V5X63K0Q.

Full bulk radiosonde observations remain at NOAA NCEI. Midwest Stratospheric Data Systems curates open, versioned access points and local flight-context observations only. No ownership of original NOAA observations is claimed.