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Posts Tagged ‘North Pacific’

El Niño Update – 10 August 2009

Posted by feww on August 11, 2009

ENSO Cycle: Recent Evolution, Current Status and Predictions

The following UPDATE is prepared by

Climate Prediction Center / NCEP – 10 August 2009

The latest weekly SST departures are:

  • Niño 4   ~ 0.6ºC
  • Niño 3.4  ~ 0.8ºC
  • Niño 3 ~ 0.9ºC
  • Niño 1+2 ~ 1.0ºC

El Niño Map. [SOURCE: NOAA/ Climate Prediction Center / NCEP]

Niño Region SST Departures (ºC) –  Recent Evolution

SST departures Aug 2009

During the last 4-weeks, equatorial SSTs were at least 0.5°C above-average across the Pacific Ocean and at least 1.0°C above average in the east-central and eastern Pacific.

Summary:

  • El Niño is present across the equatorial Pacific Ocean.
  • Sea surface temperatures (SST) remain +0.5 to +1.5 above-average across much of the equatorial Pacific Ocean.
  • Current observations and dynamical model forecasts indicate El Niño is expected to strengthen and last through Northern Hemisphere winter 2009-10.

See  El Niño Home Page

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El Niño Updates

El Niño, Indian Ocean, North Pacific, Ocean SST, Pacific Ocean, Positive SST, equatorial Pacific Ocean, , , , , .

Posted in El Niño weekly report, ENSO, Global SST anomalies, Indian Monsoon, wind anomaly | Tagged: , , , , | Leave a Comment »

El Niño Update – 20 July 2009

Posted by feww on July 21, 2009

Summary

  • El Niño conditions are present across the equatorial Pacific Ocean.

  • Positive sea surface temperature (SST) departures continue to increase across much of the equatorial Pacific Ocean.

  • Current observations and dynamical model forecasts indicate ElNiño conditions will continue to intensify and are expected to last through Northern Hemisphere winter 2009-10.

Global SST Departures (ºC)

average SSr anomalies

During the last four weeks, equatorial SSTs were above-average in the Pacific and Indian Oceans. Also, above-average SSTs covered much of the Northern Hemisphere mid-to-high latitudes.

Atmospheric Circulation over the North Pacific & North America During the Last 60 Days

atmo circ NP- NA - 60 days
During late May and early June, below-average heights persisted over Canada contributing to below-average temperatures over central and eastern Canada. During early June through mid-July, an anomalous north-south dipole in height anomalies (below-average heights over the eastern U.S. and above-average heights over eastern Canada) contributed to near or below-average temperatures over portions of New England and across the Great Lakes and to above-average temperatures in eastern Canada. Credit: All diagrams and captions by NOAA.

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Posted in Canada, El Niño weekly report, Global SST anomalies, New England, TAO Diagrams | Tagged: , , , , | 1 Comment »