Policy
Data Disclosure & Use Policy
How MSDS collects, uses, and shares atmospheric and operational data. Includes access terms, scientific and government use, and the right to revoke access.
Download PDFUnified Open Global Weather
25+ datasets · 6 layersOne of the most comprehensive open multi-layer atmospheric commons on GitHub — versioned catalog, six layers, and independent daily automations.
25
Catalog datasets
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NDBC stations indexed
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IGRA files indexed
Daily
Automation cadence
Global source map
MSDS Casey · NDBC sample · open layers
MSDS Casey, IL
NDBC sample buoys
Map expands as daily indexes publish
Ground
Surface & GLOBE
Casey · GHCNd · ASOS · ARM
Marine
Buoys & ocean
NDBC · Argo · ICOADS
Upper-air
Radiosondes
IGRA · GRUAN · CUON
Stratosphere
Ozone & QBO
SWOOSH · WOUDC · SHADOZ
Satellite
Open space data
GOES · MERRA-2 · COSMIC
Flight
Near-space HAB
X2Griffon · MSDS
Why it matters: most open weather projects stop at one network. UOGW keeps government, research, marine, satellite, citizen science, and MSDS flight data under one catalog — and the automations keep updating on GitHub even if this site is offline.
Casey Ground Weather
Daily surface observations for the MSDS home base — continuous local context that complements high-altitude flight profiles.
Current Conditions
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Daily Summary
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Location: Casey, Illinois · 39.2992° N, 87.9925° W · ~200 m · America/Chicago. Values compiled by MSDS from Open-Meteo (CC BY 4.0). Browse all daily files →
NASA GLOBE Observations
Fixed-site surface observations contributed by MSDS under NASA GLOBE registration GO-4VW9B. Protocols: air temperature & clouds.
Latest Observation
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- Site
- MSDS IL
- Elevation
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- Coordinates
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Observation Feed
Site 422147 · Casey, ILLoading GLOBE observations…
Data sourced from the NASA GLOBE Program API. MSDS contributes fixed-site surface observations from Casey, Illinois (Clark County).
Protocols queried: air_temp_noons, air_temps, clouds.
NOAA Upper-Air & Global Radiosonde Index
Daily curated snapshot from the International Ground Data Repository — primarily the NOAA Integrated Global Radiosonde Archive (IGRA).
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Document Gallery
Official printable documents — policy, technical specifications, tracking guides, promotional materials, and legal notices.
Technical
X2Griffon Specs Sheet
Technical specifications for the X2Griffon high-altitude balloon payload — weight, containment, tracker, telemetry, recovery system, and data suite.
Download PDF
Technical
X2Griffon APRS Tracking Walkthrough
Step-by-step guide to APRS tracking for the X2Griffon platform — setup, live map links (APRS.fi / SondeHub), packet decoding, and recovery workflow.
Download PDF
Promotional
MSDS Promo Packet
Full printable promotional overview — mission, platform, open data goals, maiden launch, and how to get involved.
Download PDFFlight & Ground Data Archives
Public datasets appear here and in the msds-data repository after each mission. Vertical profiles, raw telemetry, processed atmospheric products, recovery logs, and supporting operational records will be indexed once the X2Griffon maiden flight is recovered and processed.
X2Griffon Flight Data
High-altitude atmospheric profiles, telemetry, and tracks from MSDS near-space missions. Maiden launch: September 19, 2026 · Casey, IL.
Altitude Profile vs Time
Ascent rate, burst, descent
Temperature vs Altitude
Vertical profile to near-space
Flight Trajectory & Recovery
APRS / GPS track
Data release policy:
All raw X2Griffon telemetry and sensor data will be released publicly without alteration.
Products will include CSV downloads, interactive graphs, and GeoJSON tracks — target turnaround under 48 hours after recovery.
Files will also appear in the
msds-data
repository under
flights/.
Data Credits, Public Repositories & API
Local Ground Weather (Casey, IL)
Compiled daily by Midwest Stratospheric Data Systems and published in
github.com/Midwest-Stratospheric/msds-data
under ground-weather/daily/.
Meteorological values provided by
Open-Meteo (CC BY 4.0),
driven primarily by NOAA GFS / HRRR and regional models.
International Ground Data Repository (IGDR)
Daily indexes and curated snapshots maintained at github.com/Midwest-Stratospheric/International-Ground-Data-Repository. Primary source: 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.
Machine-Readable Access
Daily ground files are available as stable JSON at
https://raw.githubusercontent.com/Midwest-Stratospheric/msds-data/main/ground-weather/daily/YYYY-MM-DD.json.
A formal MSDS Open Data API is available at
/data/v1/catalog.json
(see the API docs).
For data access questions contact
launchcontrol@midwestsds.com.
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. All atmospheric data released for public scientific and educational use with attribution.