Omega | NY NJ PA Weather Forecasts

Updated Snowfall Forecast

February 2nd, 2009 by Steven DiMartino

9:19 PM
I’ve updated the snowfall forecast to increasing snowfall totals for the Philadelphia metro area. I think the majority of the snow will fall Tuesday afternoon through early Wednesday morning as a second low pressure system develops off the New Jersey coast along an inverted trough south of Long Island. I think there is significant [...]

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Snow Potential Increasing For Thursday

January 13th, 2009 by Steven DiMartino

7:30 AM
Alberta Clippers are always tricky low pressure systems to forecast for. Note once again, guidance is crashing the track of this clipper low pressure system to the south and now takes a track just south of the New Jersey coast on most model guidance.
While the amount of precipitation is not exactly impressive, the intensity [...]

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The 12Z Guidance And Thoughts For Friday

December 29th, 2008 by Steven DiMartino

8:59 PM
If you put your ear to the ground, you could hear the fall of a million snow lovers faint to the ground after seeing the 12Z GFS, which basically if taken verbatum would produce a significant snowfall for most of the forecast area, save southern New Jersey (even that location would still get measureable [...]

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Difficult Forecast With Huge Bust Potential And Significant Ice And Snow Amounts

December 19th, 2008 by Steven DiMartino

12:21 AM
You know, model guidance is suppose to get better and into strong agreement less than 24 hours away from an event. Unfortuantly for the forecast area and this forecaster, that was not the case tonight as the GFS went extreme warm and the NAM/WRF went colder.
So with no trust what so ever in [...]

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A Snowy Tricky Forecast For Friday

December 17th, 2008 by Steven DiMartino

5:58 PM
The watches are going up and the excitement is growing. Well, for some at least. We have another winter storm on the way for the forecast area on Friday. However, I have a slightly different take on this forecast and I still have a lot of uneasiness about this storm in general, especially over [...]

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Evening Thoughts

October 21st, 2008 by Steven DiMartino

I’m sure everyone got a good look at the 12Z model guidance and how different the GFS and ECMWF were for the end of this up coming 10 day period.
Let’s break down what we are looking at with the two maps on the left. These maps can be found at the Penn State E-wall, [...]

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