The CPC has put out what they call an El Nino watch for the late Summer into Fall of 2014. As we all know, El Nino can have dramatic impacts on the SE United States with above average rain and cooler temps for late summer, and warmer temps for fall and winter. Right now the the tropical Pacific is in what is called ENSO neutral which means that mother nature pretty much does what she wants…. Like this winter. The CPC is saying there is a 50% chance of seeing an El Nino Develop late in 2014 which would keep us soaked…. Here is a very technical report from the CPC:
EL NIÑO/SOUTHERN OSCILLATION (ENSO) DIAGNOSTIC DISCUSSION
CLIMATE PREDICTION CENTER/NCEP/NWS
and the International Research Institute for Climate and Society
6 March 2014
ENSO Alert System Status: El Niño Watch
Synopsis: ENSO-neutral is expected to continue through the Northern Hemisphere spring 2014, with about a 50% chance of El Niño developing during the summer or fall.
ENSO-neutral continued during February 2014, with below-average sea surface temperatures (SST) continuing in the eastern equatorial Pacific Ocean and above-average SSTs increasing near the International Date Line (Fig. 1). Overall, the weekly Niño indices were variable during the
month, with most indices remaining less than -0.5°C (Fig. 2). A significant downwelling oceanic
Kelvin wave increased the oceanic heat content (Fig. 3) and produced large positive subsurface
temperature anomalies across the central and east-central Pacific (Fig. 4). In addition, toward the
end of the month, strong low-level westerly winds re-appeared over the western equatorial Pacific. Convection was suppressed over western Indonesia and the central equatorial Pacific (Fig. 5).
Collectively, these atmospheric and oceanic conditions reflect ENSO-neutral.
The model predictions of ENSO for this summer and beyond are relatively unchanged from last month. Almost all the models indicate that ENSO-neutral (Niño-3.4 index between –0.5°C and 0.5°C) will persist through the rest of the Northern Hemisphere spring 2014 (Fig. 6). While all
models predict warming in the tropical Pacific, there is considerable uncertainty as to whether El Niño will develop during the summer or fall. If westerly winds continue to emerge in the western equatorial Pacific, the development of El Niño would become more likely. However, the lower forecast skill during the spring and overall propensity for cooler conditions over the last decade still justify significant probabilities for ENSO-neutral. The consensus forecast is for ENSO-neutral to continue through the Northern Hemisphere spring 2014, with about a 50% chance of El Niño developing during the summer or fall (click CPC/IRI consensus forecast for the chance of each outcome).
This discussion is a consolidated effort of the National Oceanic and Atmospheric Administration (NOAA), NOAA’s National Weather Service, and their funded institutions. Oceanic and atmospheric conditions are updated weekly on the Climate Prediction Center web site (El Niño/La Niña Current Conditions and Expert Discussions). Forecasts for the evolution of El Niño/La Niña are updated monthly in the Forecast Forum section of CPC’s Climate Diagnostics Bulletin. The next ENSO Diagnostics Discussion is scheduled for 10 April 2014. To receive an e-mail notification when the monthly ENSO Diagnostic Discussions are released, please send an e-mail message to: email@example.com.
So in a nutshell, we could see this happen but it is a long way away! I will keep all of you posted!
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