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Week Weather Outlook- A Stormy Thanksgiving possible
The clouds developed today, as expected, with moisture and a cyclonic flow upper flow. Generally improving conditions will occur from Monday through Tuesday, as drier air moves in.
The GFS model (and NOGAPS) have been predicting for the past several days the formation of a coastal low pressure system for the Thanksgiving period. The latest model runs continue the trend for stormy weather for us from Wednesday through Thursday, as a the coastal low now appears to have a track close to the coastline. Windy, chilly conditions with rain at times is now expected.
The trend is for a more developed low with colder air present. While not currently in the forecast, a chance of wet snow in the northwestern suburbs is becoming a possibility.
As mentioned in a previous posting, the current pattern suggests a stormy winter for us.
posted: Nov 19 2006 at 5:25 pm
[/weather/nov06] permanent link
Weekend Forecast- Sun AM
A significant upper trough will develop for the next four days, bringing cold air and unsettled conditions. Today will be cool/cold and dry but upper air moisture and areas of 'vorticity' revolving around the upper low will cause clouds to form by mid day.
For the coming week, the GFS extended model shows the development of a coastal low pressure system that will slowly move up the coastline from Wednesday through Friday. Each consecutive model run has this low closer to the coastline. It does appear possible that some of the rain (and wind) will affect us by Wednesday or Thursday.
Sun 10/19: After some sunny breaks, becoming mostly cloudy. High 50.
posted: Nov 19 2006 at 8:29 am
[/weather/nov06] permanent link
Disclaimer: I am not a meteorologist and provide this information as a hobby and for entertainment (mostly my own :-) . While attempts are made to predict the weather as best as I can, use at your own risk! I am NOT responsible for any direct or indirect consequential injury/damages due to your use of these forecasts. Always check the NWS Official Forecast for your final plans.
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