NOWCAST

NOWCAST The following summaries were presented at the 84th AMS Annual Meeting in Seattle, Washington, 11-15 January 2003. FIG . I. Zonal average number cases of 850-hPa relative vorticity anomalies over the ocean in the 5-days average data fro m the NCEP/NCA R reanalysis (period 1980-98), classified according to their duration. Annual and semi- annual Fourier modes have been subtracted from the original data in defining anomalies. Only anomalies that exceed one-fourth of th e local standard deviation are considered, (a) Total cases; (b) locally coupled with SSTA ; and (c) locally uncoupled. interaction process. The results over-cold, and anticyclonic-over- COUPLIN G ATMOSPHERIC ANOMALIES WITH THE OCEAN have important implications for warm. seasonal forecasts based on ocean- The distribution of the zonal Atmospheric anomalies have a dif- ferent character depending on driving atmosphere models. average number of atmospheric anomalies, classified according to whether and how they are coupled We examined the number of with surface boundary conditions. cases of high-amplitude low-level their duration (Fig. 1) shows that, as the duration increases, the num- For instance, in the extratropics, atmospheric vorticity anomalies ocean-atmosphere coupling in- that are locally coincident ber decreases in all latitudes, par- ticularly in the extratropics, and creases http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the American Meteorological Society American Meteorological Society

Loading next page...
 
/lp/ams/nowcast-MUSZ3kPWdt
Publisher
American Meteorological Society
Copyright
Copyright © American Meteorological Society
ISSN
1520-0477
D.O.I.
10.1175/1520-0477-85.2.143
Publisher site
See Article on Publisher Site

Abstract

The following summaries were presented at the 84th AMS Annual Meeting in Seattle, Washington, 11-15 January 2003. FIG . I. Zonal average number cases of 850-hPa relative vorticity anomalies over the ocean in the 5-days average data fro m the NCEP/NCA R reanalysis (period 1980-98), classified according to their duration. Annual and semi- annual Fourier modes have been subtracted from the original data in defining anomalies. Only anomalies that exceed one-fourth of th e local standard deviation are considered, (a) Total cases; (b) locally coupled with SSTA ; and (c) locally uncoupled. interaction process. The results over-cold, and anticyclonic-over- COUPLIN G ATMOSPHERIC ANOMALIES WITH THE OCEAN have important implications for warm. seasonal forecasts based on ocean- The distribution of the zonal Atmospheric anomalies have a dif- ferent character depending on driving atmosphere models. average number of atmospheric anomalies, classified according to whether and how they are coupled We examined the number of with surface boundary conditions. cases of high-amplitude low-level their duration (Fig. 1) shows that, as the duration increases, the num- For instance, in the extratropics, atmospheric vorticity anomalies ocean-atmosphere coupling in- that are locally coincident ber decreases in all latitudes, par- ticularly in the extratropics, and creases

Journal

Bulletin of the American Meteorological SocietyAmerican Meteorological Society

Published: Feb 1, 2004

There are no references for this article.

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 12 million articles from more than
10,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Unlimited reading

Read as many articles as you need. Full articles with original layout, charts and figures. Read online, from anywhere.

Stay up to date

Keep up with your field with Personalized Recommendations and Follow Journals to get automatic updates.

Organize your research

It’s easy to organize your research with our built-in tools.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

Monthly Plan

  • Read unlimited articles
  • Personalized recommendations
  • No expiration
  • Print 20 pages per month
  • 20% off on PDF purchases
  • Organize your research
  • Get updates on your journals and topic searches

$49/month

Start Free Trial

14-day Free Trial

Best Deal — 39% off

Annual Plan

  • All the features of the Professional Plan, but for 39% off!
  • Billed annually
  • No expiration
  • For the normal price of 10 articles elsewhere, you get one full year of unlimited access to articles.

$588

$360/year

billed annually
Start Free Trial

14-day Free Trial