Vencore Weather
31Oct/14Fri

7:00 AM | Cold air floods into the region on Saturday night and Sunday as strong storm forms off the coast

6-Day Forecast

Today

Considerable clouds, cool, highs in the mid-to-upper 50’s

Tonight

Mostly cloudy, cool, chance for rain showers late, lows by morning in the upper 40’s

Saturday

Cloudy, becoming windy and unseasonably chilly, rain showers at times and maybe even a period of steady rain, low-to-mid 50’s

Saturday Night

Cloudy, windy, cold, good chance for lingering evening rain showers, lows towards morning in the upper 30’s

Sunday

Partly sunny, windy, unseasonably cold, upper 40’s

Monday

After an early start near the freezing mark, it'll be mostly sunny and stay quite chilly, but a bit milder than Sunday, mid 50’s

Tuesday

Partly sunny, milder, low 60's

Wednesday

Mostly cloudy, mild, low-to-mid 60’s

Discussion

A deep upper-level trough of low pressure will set up early this weekend in the Northeast US and the end result will be the development of a strong storm off the Mid-Atlantic coastline. Winds will increase noticeably around here tomorrow night and Sunday as the storm intensifies off the Mid-Atlantic coastline and then begins to move to the northeast. Rain showers will accompany the storm at times in this region from late tonight through early tomorrow night and there could even be a period of steadier rain during the afternoon/early evening hours on Saturday. Sunday will feature the return of some sunshine to the Mid-Atlantic region, but the cold and wind will continue as high temperatures are generally held in the well-below normal 40’s. The best chance for a freeze around here from this upcoming cold blast will come "late Sunday night/early Monday morning" with lows expected at or just below the freezing mark in many locations and the period of "late Saturday night/early Sunday morning" won't be far behind with lows likely in the mid-to-upper 30's. There will be a gradual warm up in the Mid-Atlantic region during the first half of next week after the abnormally cold weekend.

Elsewhere, significant accumulations of snow are possible this weekend in mountainous regions to our southwest such as in eastern West Virginia, southwestern Virginia and western North Carolina. Also, accumulating snow can fall later in the weekend across portions of Maine as the powerful storm exits off to the north and east. This weekend cold blast could end up setting records in parts of the Southeast US from the Carolinas-to-Florida as the upper-level low digs way down the coast and the cold air follows.

One final note - it is time once again to turn back the clocks this weekend.

Video

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30Oct/14Thu

1:50 PM | *Cold air blasts into the Mid-Atlantic region this weekend as strong storm forms off the coast*

gfs_500_sat_am

Discussion

An unusually strong upper-level disturbance dropping southeastward from south-central Canada over the next couple of days will combine with Arctic air to help spawn a strong storm off the Mid-Atlantic coastline on Saturday. This series of events will generate snow this weekend for some higher elevation locations of the Mid-Atlantic region with significant accumulations possible in mountainous regions like eastern West Virginia, western Virginia, and western North Carolina. In addition, cold air will flood the I-95 corridor region from DC-to-Philly-to-NYC on Saturday night and Sunday riding in on increasingly strong winds as the storm intensifies off the coastline and ultimately begins a turn towards the northeast. The storm will probably be too far off the coast to produce heavy precipitation in the immediate I-95 corridor, but rain showers can occur at any time from late Friday night into early Saturday night and it is not out of the question that snowflakes mix in at times; especially, in higher elevation locations to the north and west Philly and DC.

Winds will be sustained at 20 to 30 mph up and down the east coast from Saturday night through Sunday with gusts to 40 mph possible at times. Coastal areas are likely to get buffeted by wind gusts over 50 mph on Saturday night and Sunday. Temperatures will likely flirt with the freezing mark on two occasions this weekend in the I-95 corridor: late Saturday night/early Sunday and – perhaps even more likely - late Sunday night/early Monday. Also, since the upper-level disturbance will drop so far to the south over the next couple of days from south-central Canada into the Carolinas (see GFS 500 millibar forecast map for Saturday morning), the cold air will plunge way down into the Southeast US and records could be broken this weekend from the Carolinas-to-Florida. There will be a gradual warm up in the Mid-Atlantic region during the first half of next week.

One final note...the weather looks dry and cool for Halloween trick-or-treating early tomorrow night as any rain showers in the area will likely hold off until later at night.

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30Oct/14Thu

7:00 AM | Dry, cool weather through tomorrow evening; windy and chilly this weekend as a strong storm forms off the coast

6-Day Forecast

Today

Mostly sunny, noticeably cooler than yesterday, highs in the upper 50’s

Tonight

Partly cloudy, chilly, lows by morning in the low-to-mid 40’s

Friday

Partly sunny, cool, mid-to-upper 50’s

Friday Night

Becoming cloudy, chilly, rain showers possible late, mid-to-upper 40’s

Saturday

Cloudy, becoming windy and unseasonably chilly, rain showers likely, low 50's

Sunday

Partly sunny, windy, unseasonably cold, mid-to-upper 40’s

Monday

Mostly sunny, chilly, but a bit milder than Sunday, low-to-mid 50’s

Tuesday

Partly sunny, cool, near 60

Discussion

A cool front passed through the region yesterday and ushered in noticeably cooler air for today and tomorrow and an even colder air mass will arrive over the weekend. Following two dry and cool days to close out the work week, deep upper-level trof will set up early this weekend in the Northeast US and the result will be the development of a strong storm off the Mid-Atlantic coastline. Winds will increase later Saturday, temperatures will hold at below normal levels, and there will be some rain shower activity, but the steadiest, heaviest precipitation is likely to stay to our south and east as the storm intensifies off the coast. Cold pours into the I-95 corridor Saturday night once the off-shore low pressure system pulls to the northeast and temperatures on Sunday will hold in the 40's along with a stiff wind. A gradual warm up will take place in the Northeast US during the first half of next week.

Video

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29Oct/14Wed

7:00 AM | *A major cold shot for the weekend; rain and even snow a threat for the Mid-Atlantic*

6-Day Forecast

Today

Mostly cloudy, not as warm as yesterday, a couple of showers are likely this afternoon, highs in the upper 60's

Tonight

Clouds early with a possible shower then becoming partly cloudy, turning cooler late, lows by morning in the mid-to-upper 40’s

Thursday

Mostly sunny, cooler, near 60

Thursday Night

Partly cloudy, chilly, low 40’s

Friday

Partly sunny, cool, mid-to-upper 50’s

Saturday

Considerable clouds, windy and unseasonably cold, rain showers likely that could even mix with snowflakes at times, mid 40’s

Sunday

Mostly sunny, breezy, still unseasonably cold, upper 40’s

Monday

Mostly sunny, not as chilly, low-to-mid 50’s

Discussion

A cool front is passing through the region today and there can be a couple of mid-day and afternoon showers associated with it and it’ll turn out a bit cooler than yesterday. Temperatures tomorrow and Friday behind the frontal system will be even cooler with the 50's likely for highs on both days. By Saturday, a deep upper-level trough of low pressure will set up in the northeastern US and the result will be a major shot of cold air into the Mid-Atlantic region along with increasingly strong winds. Low pressure will develop quickly near the coastline on Saturday and this system will produce some precipitation that should be mainly in the form of rain; however, there is the real threat that the rain mixes with or changes to snow in nearby higher elevation locations to the northwest and perhaps even into the big cities along I-95. Warmer weather does return to the region next week following the abnormally cold weekend.

Video

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