Ingredients are coming together for a storm to hit the Mid-Atlantic region from later today into Saturday, but the worst impact will be to our south. Rain is likely to overspread the area overnight and continue into tomorrow morning and there can be a thunderstorm mixed into the picture. The heaviest rain associated with this system is likely to fall across southern PA, southern New Jersey and southward to the DC metro region. Temperatures will remain fairly warm today with highs at or above the 80 degree mark, but stiff NE winds on Saturday – typical of a nor’easter - could confine temperatures to the lower 70's in the NYC metro region to go along with the continuing rainfall. Much improvement will take place on Sunday, but it'll remain on the cool side of normal.
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Ingredients are coming together for a storm to hit parts of the Mid-Atlantic region from later tomorrow into Saturday and it should produce some heavyrainfall, possible strong thunderstorms, and winds at the coastline of more than 40 mph. This unfolding scenario is somewhat analogous to wintertime nor’easters in the Mid-Atlantic region with strong surface low pressure near the coastline, chilly high pressure anchored to the north and west, and vigorous energy aloft. While there can be scattered showers and thunderstorms later today and tonight, the main event from this developing storm should take place from later tomorrow into Saturday morning.
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There is growing likelihood for a heavy rain event in the NYC metro region and it could include some strong thunderstorm activity as well. High pressure has pushed off the Northeast US coastline and a warm front will approach the area later today from the southwest. This front will stall out over the region on Friday and allow low pressure to track right along its boundary zone. While there can be a few showers and thunderstorms later today and tonight, the main rain event around here will come later Friday into Saturday with occasional heavy rain and possible strong thunderstorms. Given the already-saturated grounds in some spots, flash flooding may become a serious concern during this storm. The rain looks like it will linger through much of of the day on Saturday and perhaps even into Sunday; especially, along coastal sections as this unfolding July nor'easter will be a slow mover.
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There is growing likelihood for yet another major rain event in the DC-to-Philly-to-NYC corridor and this could easily result in flash flood watches and warnings for much of the region at the end of the work week. High pressure will push off the Northeast US coastline on Thursday and a warm front will approach the area later in the day from the southwest. This front will stall out over the region on Friday and allow low pressure to track right along its boundary zone. This low pressure system will have tremendous support in the upper atmosphere and it could ultimately turn out to be an uncommon late July nor’easter.
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There is potential for yet another heavy rain event at the end of the work week and it could include strong-to-severe thunderstorm activity as well. High pressure will dominate the scene around here into Thursday, but then a warm front will approach the area from the southwest. This front will stall out over the region by Friday and allow low pressure to track right along its boundary zone. While there can be a few showers and thunderstorms later Thursday and Thursday night, the main event will come on Friday and Friday night with numerous showers and thunderstorms likely. Some of the rain is likely to be heavy at the end of the week and some of the storms can reach strong-to-severe levels. The rain could even linger into the first part of the weekend; especially, near coastal sections. High pressure will eventually win out by later in the weekend and temperatures should remain on the comfortable side both weekend days. One final note, given the saturated grounds from recent heavy rains, flash flooding will likely become a real concern with the upcoming heavy rain event.
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High pressure across the Northeast US will take control of our weather for the next couple of days, but a shower or two cannot be ruled out for mid-day today in parts of the region. A more comfortable air mass has pushed into the area following the passage of a frontal boundary zone and we’ll actually see high temperatures likely holding in the 70's today and 80’s for the remainder of the week. Another round of showers and thunderstorms is possible later Thursday into Friday and this could turn out to be another heavy rain event.
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A cold front is working its way through the region and it’ll be cooler than recent days with additional showers and maybe a thunderstorm. High pressure will resume control of our weather on Tuesday, but there can be another shower or two. The air mass will become noticeably more comfortable by tomorrow and it'll remain pleasant at mid-week, but more unsettled weather comes towards week's end.
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The work week will close out with more uncomfortable heat and humidity in the NYC metro region, but there is relief in sight. Temperatures today will climb to the low-to-mid 90’s and the humidity will make it feel closer to 100 degrees (i.e., the heat index). There can be scattered showers and thunderstorms this afternoon and evening and any storm that forms can be on the strong side. As a front stalls out nearby this weekend, our chances of showers and thunderstorms will tend to increase and some of the storms this weekend can be on the strong side. On Monday, a cold front will approach from the west and showers and thunderstorms are likely and some of these storms can be on the strong side as well. Following this early week frontal passage, real relief will push into the area for Tuesday and Wednesday of next week.
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This latest stretch of heat and humidity looks like it will peak in intensity during the next couple of days with highs in the mid 90's and heat indices closer to 100 degrees (i.e., how it feels given the high humidity). There are likely to be showers and thunderstorms tonight across SE NY and some of these storms can be strong and produce some heavy rainfall. It'll stay very warm this weekend, but likely not quite as bad as today and Friday with more clouds and multiple chances of showers and storms. In terms of potential relief, one cold front will approach the region today; however, it’ll tend to weaken and stall out and not provide any relief to the I-95 corridor. Another cold front is likely to drop through the area early next week and it looks like that one should bring noticeable relief to the region by Tuesday.
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The remainder of the work week looks uncomfortably hot and humid and it won't get any better this weekend. Weak high pressure will be in control today and temperatures should climb to the low 90's for afternoon highs and then likely to the mid 90's on Thursday and Friday. A weak cool front will move across the area late tomorrow and then stall out near the Delmarva Peninsula - ultimately returning here as a warm front by later in the weekend. The weekend may feature some cloudy spells, still hot and humid conditions, and showers and thunderstorms cannot be ruled out on either day.
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