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Attend in Person:

Unless noted otherwise, all seminars take place at:
NOAA Center for Weather and Climate Prediction
5830 University Research Court
College Park, MD  20740

NCWCP building

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Attend Remotely:

Online video access:

  1. Click on JCSDA Seminars
  2. Select the seminar you wish to attend.
  3. Enter your name and e-mail address.
  4. Click "Join Now".
  5. Follow the instructions that appear on your screen.

Audio / conference call:

USA participants: 1-866-715-2479
Passcode: 9457557
International: 1-517-345-5260


If you are a presenter and are going to be giving a JCSDA seminar with slides, please follow these guidelines on presentation file preparation.

Upcoming JCSDA Seminars

About JCSDA's Seminar Series

The JCSDA seminar series includes presentations on satellite observing instruments, radiative transfer models for use in satellite data assimilation, algorithms for deriving information on the Earth's atmosphere, oceans, and land surface from satellite observations, advances in data assimilation techniques, preparations for assimilation of data from new satellite instruments, and impacts of satellite data on weather and climate predictions. The seminars are about 1 hour in duration (including discussion period) and are held monthly, usually on the 3rd Wednesday of each month at 2 PM, and are open to the public.

The audience for the seminars generally consists of remote sensing researchers from NOAA/NESDIS, data assimilation experts and modelers from NOAA/NCEP and NASA/Goddard Space Flight Center Global Modeling and Assimilation Office, and students/faculty from the University of Maryland.

  • Slides for each presentation should be available for download in PDF format on this page, the day before each talk.
  • Unless specifically noted otherwise, the contact for the JCSDA seminar series is Kevin Garrett.

Upcoming Seminars


Reducing Model Bias in a High Alitude Forecast System

Presentation file posted here when available.

Speaker John McCormack
Date Wednesday, January 21, 2015
2:00 p.m. - 3:00 p.m.
Conference Center, NOAA Center for Weather and Climate Prediction,5830 University Research Court, College Park, MD

Show Abstract

A prototype high-altitude numerical weather prediction (NWP) and data assimilation (DA) system has recently been developed based on the operational Navy Global Environmental Model (NAVGEM) that can generate global synoptic meteorological analyses every 6 hours from the ground to the lower thermosphere (~100 km altitude). In addition to assimilating operational meteorological observations in the 0-50 km altitude range, this high-altitude version of NAVGEM can also assimilate temperature and constituent measurements throughout the stratosphere and mesosphere obtained from satellite-based instruments. This presentation will discuss changes in the forecast model introduced to improve model accuracy and thus minimize bias at high altitudes. Results from this new system show how it can be used to (1) provide improved initial conditions for stratosphere-resolving NWP and climate models; and (2) investigate dynamical coupling between the troposphere, stratosphere, and mesosphere. A challenge facing high-altitude NWP efforts is the scarcity of operational satellite observations above 50 km. The importance of these types of observations for planned development of unified ground-to-space forecast systems will also be discussed.

Remote Access Video: 1. Go to JCSDA Seminar and click on the seminar title
2. Enter your name and email address.
3. Click "Join Now".
4. Follow the instructions that appear on your screen.
Audio: USA participants: 1-866-715-2479, Passcode: 9457557
International: 1-517-345-5260

Erin Jones

Most seminars are scheduled on Wednesdays at 2:00 p.m. unless noted otherwise. Titles are tentative, and are subject to change.

Modified December 4, 2014 11:12 PM
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