Posts

John Homenuk

PM All Zones Update: Snow showers, colder weekend ahead

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Scattered snow showers are moving through the area this afternoon, in response to a disturbance in the mid and upper level of the atmosphere and favorable lift in the area. These will continue to shift from northwest to southeast today, towards the coast, impacting parts of the region with brief periods of snow. Very light accumulations are possible, but impacts are expected to remain limited.

These snow showers will wane as the evening approaches tonight, especially near and after sunset, with improving conditions expected as the evening goes on. Temperatures will be colder than they were last night, but still warmer than normal for this time of year. This won’t last long — as a strong cold front is approaching the area and will bring a notable change in temperature on Friday.

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John Homenuk

Wednesday Overview: Unsettled, then cold again

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Freeze Warnings have been issued on two consecutive nights, both Monday and Tuesday, as temperatures fell into the upper 20’s and lower 30’s throughout the area. A warming trend is underway today, with high temperatures rising into the mid to upper 40’s during the afternoon hours. The news isn’t all good, however, as this warming trend is the first sign of unsettled weather which will approach the area on Thursday.

This storm system will bring periods of rain with embedded thunderstorms to the area on Thursday, before cold air follows the storm system into the weekend. The latest and greatest information is all included below:

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John Homenuk

Here’s what we know about this weekends potential storm

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Just when you thought old man winter had packed his bags and headed north for the year, he’s making a push to overstay his welcome once more. Forecast models have come into better agreement on the eventual evolution of the atmospheric pattern over the next several days, and there’s one thing that is certain: It will certainly be colder than it has been for the past week or two. Temperatures will settle near and below normal by this upcoming weekend.

Models also have hinted at pieces of energy which may enter the US from the Pacific, signaling the potential for a storm system along the East Coast this upcoming weekend. But the details, as they often do at this time frame, remain highly uncertain. Here’s what we know so far:

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Miguel Pierre

More Clouds on Sunday, Chilly and Wet for Monday

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Spring-like weather has continued so far this weekend, and although temperatures are not warm as we experienced on Wednesday and Thursday, they have hovered 10 to 15 degrees above normal for this time of year. Unfortunately, the enjoyable weather and sunshine are on borrowed time, and the weather will start going downhill by Sunday night.

Tonight, a weak cold front will push south through region — remaining mostly dry. High clouds will limit more radiational cooling and keep temperatures higher than Friday Night. Temperatures will drop into the lower to middle 40s for much of the area overnight, with some of interior valleys getting perhaps down into upper 30s.

Sunday will start with sunshine filtering through high clouds. Then clouds will thicken and increase during afternoon hours from south to north across the region. There is a slight chance for a few showers later Sunday afternoon with a warm front our south, mainly over Central or Southern New Jersey. High pressure will likely keep rest of the area dry. Temperatures will still reach the upper 50 to lower 60s during the afternoon.

12z NAM showing rainfall with easterly winds and chilly temperatures on Monday

12z NAM showing rainfall with easterly winds and chilly temperatures on Monday

Skies will be mostly cloudy Sunday night. Winds will turn more easterly tonight bringing in marine layer. Increasing warm air-advection aloft could cause more showers to develop during the night. By Monday, a small wave of low pressure developing along Delmarva coast will bring more rain. It will be cold and raw, with onshore winds and rain keep temperatures from getting out the 40s. A modest low-level jet with this low could enhance more lifting for moderate to heavy rain at times.

Low pressure moves east of region Monday night. Rain likely taper off to some showers or drizzle, with winds turning more northerly. More showers and drizzle are possible Tuesday morning with a shortwave and another low pressure developing near the New Jersey coast. This system will move away from region Tuesday afternoon, with clouds perhaps breaking for some sunshine. Temperatures may head back above normal into upper 50s to lower 60s.

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