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• TRMM PR Instrument Anomaly Update

  After an instrument anomaly on May 29, 2009 the TRMM PR resumed observations on June 17th, 2009. All TRMM PR production data is currently being held until a calibration effort is completed by JAXA. Our intention was to be able to release the calibrated, post-anomaly PR data by the end of Sept. 2009 but that has not been possible. more info...
• TRMM PR instrument anomaly

  As most of you are probably aware, TRMM experienced a PR instrument anomaly on May 29, 2009 which affected all TRMM PR data resulting in missing data since orbit# 65716. more info...

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2A21: Radar Surface Cross-Section (PR) PR (13.8 GHz) normalized surface cross-section at 4 km horizontal resolution and path attenuation (in case of rain), over a 220 km swath Spatial and Temporal Search Available Services: Download via HTTP Note: The numbers refer to the number of files available from the archive for that month. Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1997 379 1998 489 441 489 473 489 473 489 489 473 489 473 489 1999 489 441 489 473 489 473 489 489 473 489 473 488 2000 489 458 488 474 488 473 489 489 473 489 473 489 2001 489 441 489 473 489 473 489 486 467 483 468 483 2002 483 437 483 467 484 467 483 484 467 483 468 483 2003 483 437 483 467 484 467 483 483 468 483 468 483 2004 483 452 483 468 483 468 483 483 468 483 468 483 2005 483 436 484 467 483 468 483 483 468 483 468 483 2006 483 436 483 468 483 468 483 483 468 483 468 483 2007 483 436 483 468 483 468 483 483 468 483 467 484 2008 483 452 483 468 483 467 483 484 467 483 468 483 2009 483 437 483 467 437