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Global Precipitation Measurement (GPM) Overpass Cases

GPM Overpass Cases

Tier-1 and Non Tier-1 Misc. OP of interest


Requesting Tier-1 Radar Overpass Data


Request Tier1 Data: Contact David.A.Marks@nasa.gov

GPM satellite data are available from the GSFC Precipitation Processing System (PPS)

Tier-1 Radar Sites


GPM Overpass images by site.
  • NPOL-WFF
  • NPOL-OLYMPEX
  • NPOL-IPHEx
  • ARMOR - Huntsville, AL
  • CSU-CHILL - Greely, CO
  • IKAA - Finland - Hyytiala
  • EC KING - Canada
  • KPOL - Kwajalein, RMI
  • SEAPOL - Southern Ocean Field Campaign


  • Gridded Ikaalinen radar data (C-band) from 26 GMI snow overpass cases are available from an 8-day period during the 2014 / 2015 seasons. Data are quality-controlled, calibrated, and include event-specific liquid water-equivalent precipitation rate. These products are available to PMM Science Team members and GPM GV partners.
    Please contact David.A.Marks@nasa.gov for products and additional information.






    Non Tier-1: Misc. OP of interest


    GPM Overpass images by site.
  • KAKQ - Wakefield, VA
  • KCAE - Columbia, SC
  • KCLX - Charleston, SC
  • KDOX - Dover, DE
  • KGSP - Greer, SC
  • KMHX - Newport/Morehead, NC
  • KMRX - Knoxville, TN




  • Misc. OP of interest


    GPM Overpass images by event.
  • Cyclone Pam


    Additional events of interest (non-overpass)


  • NPOL