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Figure: Photo of Terrence (left) and Guangyang (right) working on the GPS cable. The lightning detector is on the left-hand side of the picture. The triangle-shaped antenna detects the VHF radiation produced by lightning strikes.

DCLMA Lightning Detection Antenna Repairs

This week, ESSIC/CISESS Scientists Joseph Patton and Guangyang Fang and Summer Intern Terrence Pierce visited one of our lightning detection stations on the campus of Howard University-Beltsville. The GPS antenna for the station had been giving them trouble, so they installed new connectors for the cable that connects the GPS antenna to the lightning detection computer, and that seems to have resolved the problem.

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Figure: Collocated and globally averaged SST biases against Argo observations. A 15-day filter is applied to all curves for readability.

NOAA Daily Optimum Interpolation Sea Surface Temperature (DOISST) Version 2.1

ESSIC/CISESS Visiting Research Scientist Tom Smith is coauthor of an article on DOISST v.2.1 coming out in the September 2021 issue of the Journal of Climate. The paper, titled “Assessment and Intercomparison of NOAA Daily Optimum Interpolation Sea Surface Temperature (DOISST) Version 2.1”, shows how the improved NOAA operational analysis compares to several other available analyses.

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Figure: This is a precipitation event on 29 August 2020 over the Pacific Ocean near the lower California peninsula. (a) the cross-track radiometer precipitation data, (b) the conical scanning radiometer precipitation data, (c) the reference data for the event, and (d) the “morphed” radiometer precipitation data. The box shows the area of improvement due to morphing.

Improving Satellite Precipitation Retrieval

ESSIC/CISESS Scientists Yalei You, John Xun Yang, and Jun Dong have a new article on using “morphing” to improve rain data from cross-track scanning radiometers. The paper, titled “Improving Cross-track Scanning Radiometers’ Precipitation Retrieval over Ocean by Morphing”, is in press at the Journal of Hydrometeorology.

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Dr. Muncak smiles in front of a woodsy landscape, wearing a white polo shirt

ESSIC-Alum Joe Munchak Pursues Private Sector Career

Joe Munchak, the NASA GPM Deputy Project Scientist for Ground Validation (GV), will be leaving NASA at the end of this week to pursue a career in the private sector. Muncak has served in this role since 2010, when he left ESSIC. Dave Wolff will be filling Munchak’s position at NASA, after being with Goddard since 1988.

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A visualization of the southern ocean

Faster Warming of the Slope Sea

Alexey Mishonov, ESSIC/CISESS Associate Research Scientist and NOAA Affiliate, has a new article in press and published in the journal Limnology and Oceanography titled “Recent Warming and Decadal Variability of Gulf of Maine and Slope Water”.

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