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Tag Archive for 'surprise'

Tropical Weather Update for Monday, October 4 2009

4:45 AM
The Tropical Atlantic has produced a surprise tropical storm over the northeastern Atlantic, roughly 420 miles northeast of the Azores Islands.  Tropical Storm Grace is a compact tropical system that has developed along an old stationary frontal boundary.  The future of Tropical Storm Grace is pretty much nailed down as a deep trough over [...]

Erika continues to weaken

11:20 AM
Tropical Storm Erika continues to weaken late this morning as strong southwesterly shear has sufficiently disrupted the low level circulation.  Sustained winds have fallen off from 60 mph to 40 mph and the pressure has now risen to 1008 MB.
There is a pretty wide range in the models as far as solutions for [...]

Spring showers return for end of the week

6:47 AM
The main phrase to describe the pattern for the end of this week and into next weekend is progressive.  There are no sustained troughs that will drive the pattern, instead troughs will dive into the West and lift northeastward into the eastern Great Lakes.  This type of pattern produces fast moving low pressure system [...]

Where are the severe thunderstorm watches?

5:07 PM
I have to admit I am pretty surprised that the SPC has not issued a severe thunderstorm watch at the very least over the Philadelphia metro.  I don’t think anyone can really question as to whether severe thunderstorms will form this afternoon, as they already have.  At this point, if I was at the [...]

Surprise Snow For The Hudson Valley To Start The Week?

7:05 AM
The model guidance in this period is in some disagreement on how to handle the upper level development of the pattern and therefore the surface features.  I think the GFS is an outlier here and leaned more on the ECMWF with some tweaks here and there.  
On Sunday afternoon, a disturbance in the southern [...]

March Madness Begins

9:11 AM
March madness is about to begin for the forecast area.  Well, really it’s already started.  So far this March we’ve had a snow storm that produced more snow for some locations than what we received for December, January, and February combined; we’ve had mid 60’s for highs, and now an eventual return to cold [...]

Very Warm Today, Cold Air Is On The Way

6:06 AM
When you walk out this morning, you are going to be pleasantly surprised with how warm it is as temperatures are already rising through the 40’s this morning.  A strong cold front over the Ohio Valley will continue to slowly move towards the forecast area with rain entering the region by around 6 PM [...]

Clipper Redevelopment And The Speed Of The Pattern

9:17 AM
The Alberta Clipper that will impact the forecast area late tonight through Sunday morning is currently entering the Ohio Valley and will race towards the eastern Great Lakes by this evening.  The latest water vapor images do hint at the potential for some coastal redevelopment as the base of the trough is showing the [...]

Rain And Snow Today, High Pressure To Start The Week

9:13 AM
An area of low pressure, associated with the first of three disturbances that will move through the eastern United States is slightly stronger than forecasted this morning.  Moderate snowfall is being reported over west-central Pennsylvania this morning with some minor accumulations.  As the disturbance moves east, precipitation will enter the forecast area today with [...]

Pattern Changes Begin As Area Digs Out From Storm

6:31 AM
I would call yesterday’s storm, the storm that over performed.  I was very surprised to see that Philadelphia received up to 8 inches of snow according to the latest snowfall  update, which is double the amount that anyone has seen so far this year from other storms.  Meanwhile, in Monmouth County around 6 inches [...]



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