Nov 12, 2012: Chilly, Drier Pattern Coming Up

Forecast Highlights:

Following another warmer than average day, a cold front is currently moving through the region, with a chilly air mass returning by Tuesday. Chilly temperatures will continue through the next 1-2 weeks without any significant warmth or cold, while a coastal storm may affect the region next week, especially in the Mid Atlantic and potentially in the Northeast, with additional rain possible.



Forecast Overview:

As the radar image above shows, a cold front is moving through the region with widespread showers. The rain should clear most of the area by the late morning except for the eastern half of the area, with colder highs expected for Tuesday peaking in the mid to upper 40s inland and the upper 40s to low 50s across the rest of the area. Dry conditions will persist through the rest of the week and into next weekend with little changes in the weather conditions across the region; highs will generally reach the mid 40s to low 50s for most days, with lows in the mid 20s to low 30s away from NYC, ending up slightly warmer by next weekend into early next week.

As mentioned with yesterday’s pattern outlook, a more progressive and less amplified pattern will develop, with above average 500mb heights across the northern US with below average heights in the Southeast along with a potential coastal storm around early-mid next week. With the above average heights and a strong surface high pressure to its north, the low will remain suppressed, and at this time would be most likely to have possible impact in the Southeast, possibly extending further north into the Mid Atlantic. Frozen precipitation is not out of the question for interior parts of the region should precipitation make it this far north, but with an absence of widespread strong cold air which remains bottled up in Canada, this storm is unlikely to be a widespread snow producer. With the pattern in place, this is likely to be a slow moving storm, influencing the pattern across the region through at least mid next week. No significant change in temperatures appears to be on the way through at least late next week.

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