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Author: Cazzy Medley

The maps above show simulated storm tracks and wind speeds of nine Arctic cyclones. The left image represents simulated storm tracks as they hit the Arctic in the past decade. The right image shows how the cyclones are projected to respond to climate change by the end of the century. Credits: NASA Earth Observatory/Joshua Stevens, using data from Parker, C.L. et al.

Arctic Cyclones to Intensify as Climate Warms

In findings published on Nov. 9, a team of NASA scientists led by ESSIC research scientist Chelsea Parker project spring Arctic cyclones will intensify by the end of this century because of sea ice loss and rapidly warming temperatures. Those conditions will lead to stronger storms that carry warmer air and more moisture into the Arctic.

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At the student section of ChaserCon (left to right): CISESS Scientist Guangyang Fang, Undergraduate Research Assistants Samantha Smith, Alex Friedman and Domenic Brooks, Graduate Student Alvin Cheung, and Scientist Daile Zhang.

ESSIC/CISESS Lightning Team at 2022 Mid-Atlantic ChaserCon

The ESSIC/CISESS Lightning Team members Guangyang Fang and Daile Zhang recently attended the 2022 Mid-Atlantic ChaserCon, a conference for meteorologists at National Weather Service, broadcast meteorologists, emergency managers, storm chasers and other professional and amateur meteorologists across the great Mid-Atlantic area to network and discuss local severe storms and promote ideas to raise public awareness of severe weather and emergency management. Accompanying them were Undergraduate Research Assistants Alex Friedman, Domenic Brooks, and Samantha Smith as well as an AOSC grad student Alvin Cheung.

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NOAA bronze medal.

ESSIC Scientists Earn NOAA Awards

Last week, NOAA Administrators announced the recipients of the 2022 Bronze Medal, Distinguished Career, Administrator’s Awards, and Recognition Awards for 50 Years of Service. Among the awardees were several ESSIC scientists.

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Observed GPCP precipitation trend (mm day-1 per decade) during (a) 1979-2014 and (b) 1979-2020. (c) AMIP6 and (d) CMIP6 historical full forcing simulated precipitation trend (mm day-1 per decade) during 1979-2014.

Observed Variability and Trends in Global Precipitation During the Satellite Era

ESSIC/CISESS scientists Guojun Gu and Robert Adler have a new article in Climate Dynamics that examines changes in global precipitation during the satellite (post-1979) era using the Global Precipitation Climatology Project (GPCP) V2.3 monthly precipitation analysis. They compared GPCP data with results from the Coupled Model Intercomparison Project phase 6 (CMIP6) and the Atmospheric Model Intercomparison Project (AMIP5) with the goal of improving current understanding of the effects of major physical mechanisms on precipitation change. They also aimed to assess the skills of current climate models and discover some clues for diagnosing possible limitations in observed precipitation.

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Isaac Moradi smiles for the camera, wearing a red gridded button-up and a red tie.

Isaac Moradi Joins UMD Research Council

ESSIC /CISESS Research Scientist Isaac Moradi was recently elected as a member of the University of Maryland Research Council. The Research Council is task force deployed by the University Senate that provides guidance to the UMD Vice President for research on matters such as:

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Ralph Ferraro headshot.

Ferraro Joins PTK Working Group

ESSIC Associate Director Ralph Ferraro is a member of the new Professional Track (PTK) Working Group, a committee composed of PTK and Tenure Track (TTK) faculty, staff and administrators on behalf of Provost Jennifer King Rice to review and assess current issues related to PTK faculty. The goal of the Working Group is to develop a report of recommendations to Provost Rice on PTK issues.

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Top of the atmosphere normalized radiance (a), and degree of linear (b) and circular (c, multiplied by 103) polarization as a function of aerosol optical depth (AOD) at 550 um for selected near-UV to near-IR wavelengths angle 142.5 (SZAD40, VZAD40, RelAzimD120).

Circular Polarization in Atmospheric Aerosols

ESSIC Scientist Santiago Gasso is first author on a new paper in Atmospheric Chemistry and Physics that provides an overview of aerosol sources of circular polarization in the atmosphere and discusses possible remote sensing signatures.

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