Sunday, August 23, 2009

Pattern Update for the week of the 23rd to the end of the month







Pattern Update for the week of the 23rd to the end of the month.
Looking at the latest teleconnections...NAO is positive and is expected to go to around neutral..PNA is expected to be around neutral thru the period with fluctuations on either side of the line..EPO is positive and looks to stay positive some time before falling to neutral...So what does this tell me. Well currently we have a trough over the area.. This trough should begin to lift out of the area on Monday...and we should go to more of a zonal flow for tuesday thru thursday.One potential fly in the oinment will be a trough in SE Canada that looks to amplify enough to effect NY State and Northwards starting thursday..Question is does this trough hang around thru the northeast? I think it will hang around but not quite the amplification as being modeled at this time. We do not have a -EPO or a -NAO..so the amplification of the trough should be more flat in nature. Now, this was the one area of the discussion last time that burned me. However..teleconnection wise a amplified trough does not make sense. Also, while that is going on we are still going to have the CAR..which looks like it once again might want to become a WAR...So overall temperatures the next week will be broken down like follows.. seasonal to slightly above seasonal over SNE and points south and east thru about thursday..North of that area will be seasonal to below normal with the exception of tuesday where that area could be seasonal to slightly above. Come thursday forward we are going to go seasonal to slightly below across the region..with a moderating trend as we get closer to September 1st!

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