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GPM Supports the IMPACTS Airborne Campaign to Study Snowfall

MODIS imagery of the snowstorm in Jan. 2022
Friday, January 28, 2022
The Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Storms ( IMPACTS) mission, now in its second year, is flying aircraft into snowstorms in order to improve meteorological models and our ability to use satellite data to predict how much snow will fall and where. NASA and its partners have several satellites that measure precipitation from space, such as the Global Precipitation Measurement (GPM) mission that observes rain and snow around most of the world every three hours. “But satellites can’t tell us a lot about the particles – the actual snowflakes ­– and
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6 December 2021 GPM NRT radar product version update to V07

Effective approximately 01:30 UTC on 6 December V06 radar and combined data products will cease to be produced by the NRT. In the period 01:30 - 03:00 NASA and JAXA will be updating the radar products to the officially approved V07A data version. During this period no L2 Ka, Ku or DPR will be available. When radar data resumes it will be V07A which has major changes in swath organization as well as science content. The combined product is an interim product which will use V07A radar inputs but V05 GMI 1C inputs. This product is NOT the final or approved V07A combined product but does have the

PPS Will Commence GPM Version 7 DPR Processing on December 6, 2021

As of November 30, 2021, PPS has ceased production of GPM V06 DPR and Combined products. Starting on December 6, 2021 we will start GPM V07 processing beginning with Data date Dec 1, 2021 for GPM DPR ONLY. On December 10, 2021 we will start GPM (reprocessing) RP for V07 back to the beginning of the mission for GPM DPR ONLY. GPM GMI and Partner data will continue at the current version (V05) until February 2022 (approximately). Please note that the Combined GPM products will not be available again until February 2022. The above does not apply to GPM NRT (near real-time) processing. An

Transitioning to NRT Ku/Ka/DPR V07

At approximately 10:30 UTC 5 December 2021 until about 00:30 UTC 6 December. The GPM near realtime will be transitioning its software to product V07 radar products. The V07 radar products have a different format from V06. Users should point their browsers to https://pps.eosdis.nasa.gov and get the V07 file specification document that provides the new format for V07 radar products. The radiometer products will remain at their current V05 until at least February 2022. There are some format changes in the L1C V07 radiometer products and substantial changes in the GPROF data presentation. Again
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