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Upgrade to IMERG Early and Late Runs JacobAdmin Wed, 05/11/2022
The upgrade of GPROF and the Combined Radar-Radiometer Algorithm (CORRA) code to Version 07 as of 0 UTC on May 9, 2022, while IMERG continues at V06 until August, requires the Early and Late Runs to change slightly and be given the version number 06C. Specifically, the V07 GPROF and CORRA data must be used in V06 IMERG, and the GPCP climatological calibration has been recomputed to account for the change in CORRA. In addition, the GMI-other sensor calibrations will shift over the next month as V07 data are incorporated into the accumulation files. We expect the Early and Late time series to be
GPM V07 Update for Radiometer IC, GPROF and Combined JacobAdmin Mon, 04/11/2022
Effective on May 9, 2022, the GPM near real-time (NRT) algorithm will convert to V07. There are substantial format changes in the combined and GPROF products for all radiometers. The 1C product has some additions to the swath information. Depending upon how you read the 1C files, you may or may not have to make changes in your programs. Please click here for the GPM V07 file specification document, where all the format changes and their meaning are described. For those using GPROF and combined products, please read the file specifications. There were no calibration changes in GMI, but SSMIS 1C
GPM Satellite Data Outages During 23-24 March 2022 JacobAdmin Mon, 04/04/2022
A mis-set error counter on the Core Observatory provoked a safe hold at 13:31:29 UTC on 23 March 2022, shutting down DPR and GMI observations. DPR and GMI were restored at 10:54 and 14:54 UTC, respectively on 24 March 2022. No data were recoverable from the outage period, although IMERG Early and Late continued to be produced (without GMI input, of course). The same will be true for the Final Run when it is produced. An outage at FNMOC prevented transmission of DMSP (SSMIS) from 15:51 UTC 23 March 23 to 00:47 UTC 24 March 2022. Gaps in the data are: F16: 14:34:07-19:29:39, F17: 14:56:24-19:46
Ensemble-Based Assimilation of Satellite All-Sky Microwave Radiances Improves Intensity and Rainfall Predictions for Hurricane Harvey (2017) LisaN Wed, 03/23/2022
Publication Year
Authors
Zhang, Y., S. B. Sieron, Y. Lu, X. Chen, R. G. Nystrom, M. Minamide, M.-Y. Chan, C. M. hartman, Z. Yao, J. H. Ruppert Jr., A. Okazaki, S. J. Greybush, E. E. Clothiaux, and F. Zhang
Journal
Geophys. Res. Letts.
Volume
48(24)
Page Numbers
e2021GL096410
DOI
10.1029/2021GL096410
Mission Affiliation
Major Category
Extreme Convection vs. Extreme Rainfall: a Global View LisaN Wed, 03/23/2022
Publication Year
Authors
Zipser, E. J. and C. Liu
Journal
Curr. Clim. Change Rep.
Volume
7
Page Numbers
121–130
DOI
10.1007/s40641-021-00176-0
Mission Affiliation
Major Category
6 December 2021 GPM NRT radar product version update to V07 JacobAdmin Fri, 12/03/2021
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
Impact of Mass–Size Parameterizations of Frozen Hydrometeors on Microphysical Retrievals: Evaluation by Matching Radar to In Situ Observations from GCPEx and OLYMPEx LisaN Wed, 11/10/2021
Publication Year
Authors
Sy, O. O., S. Tanelli, S. L. Durden, A. Heymsfield, A. Bansemer, K.-S. Kuo, N. Niamsuwan, R. M. Beauchamp, V. Chandrasekar, M. Vega, and M. P. Johnson
Journal
J. Atmos. Oceanic Technol.
Volume
37(6)
Page Numbers
993–1012
DOI
10.1175/JTECH-D-19-0104.1
Mission Affiliation
Major Category
Investigating Wintertime GPM-IMERG Precipitation in the North Atlantic LisaN Tue, 11/09/2021
Publication Year
Authors
Boisvert, L., M. Grecu, and C.-L. Shie
Journal
Geophys. Res. Lett.
Volume
48(20)
Page Numbers
e2021GL095391
DOI
10.1029/2021GL095391
Mission Affiliation
Major Category
Are Storm Characteristics the Same When Viewed Using Merged Surface Radars or a Merged Satellite Product? LisaN Tue, 11/09/2021
Publication Year
Authors
Ayat, H., J. P. Evans, S. Sherwood, and A. Behrangi
Journal
J. Hydrometeor.
Volume
22(1)
Page Numbers
43–62
DOI
10.1175/JHM-D-20-0187.1
Mission Affiliation
Major Category
Global Intercomparison of Atmospheric Rivers Precipitation in Remote Sensing and Reanalysis Products LisaN Tue, 11/09/2021
Publication Year
Authors
Arabzadeh, A., M. R. Ehsani, B. Guan, S. Heflin, and A. Behrangi
Journal
JGR - Atmos.
Volume
125(21)
Page Numbers
e2020JD033021
DOI
10.1029/2020JD033021
Mission Affiliation
Major Category