More Out of the box thinking on the pattern for the week of the 19th-25th of July...
Where we are at currently..and then going :)
Currently we have a ridge buiding into the region with the zonal flow becoming dominant for the rest of today into friday. At the same time we have another powerful trough with its attending cold front moving thru the region for the weekend. This trough looks to amplify and produce cooler temperatures once again across the Northeast region. However..this time around...there is a different player on the field. While the trough amplifies over the Northeast..the CAR steps onto the field and starts to move westward. For those that do not know, CAR=Central Atlantic Ridge....
Current thinking is that the Central Atlantic ridge will progress westward and will cause the trough over the Northeast to lift up and kind of "retrograde" back over the west-central Great lakes region. This will allow the coolest of air to be centered over the GL region into perhaps western areas of the NE. Meanwhile, along the east coast...a southwesterly flow will set up and bring warmer air up the east coast. The timing on this looks to start taking place around the monday -tuesday time frame. At this time then it looks like the CAR could potentially become the dominant player.
Two effects this would have on the weather.
1. Great Lakes region to the western parts of the NE will experience the cooler weather.
2. To the east of the trough..southwesterly flow will cause warmer air to ride up along the coast and slightly inland.
This could set up a good potential for severe weather with the trough set up over the GL region.
So in a sense the TZT will continue but with an additional player involved and the trough located further west..
The question that needs to be answered and will work on this over the days ahead..is..does the CAR evolve into a WAR (Western Atlantic Ridge) ..and if so..when?
Wednesday, July 15, 2009
Pattern Update for the week of the 19-25th
Posted by Ilovesnow2007 at 7:28 PM
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