A meandering frontal boundary coupled with a lot of tropical moisture from the south is bringing the potential heavy downpours across the region. Due to all the rain that we had in the past couple of days, it won’t take much for flooding to occur. Also, the heat and humidity allowed the thunderstorms to be on the severe side through the evening hours. There was even a Tornado Warning issued in the northeastern corner of New Jersey early in the evening.
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While the severe threat will diminish Monday evening, the potential for flash flooding will continue through the night. Any heavy downpour that develops could quickly produce two inches of rain causing the flooding on area roadways. Temperatures will end up at around 70 degrees.
The following warnings were in effect at 9 p.m. Monday:
- Flood Advisory and Flood Warning for various New Jersey counties
- Flash Flood Watch and Flash Flood Warning for many New Jersey counties
- Flash Flood warnings for Orange and Rockland counties until 9: 15 p.m.
- Flood Advisory for Orange county until 9:15 p.m.
- Flash Flood Watch for parts of Dutchess and Ulster counties
- Flash Flood Watch for New York City and surrounding areas into Tuesday a.m.
The front will still be around on Tuesday. While there will be a fair amount of clouds limiting temperatures to around 80 degrees, it will remain to be on the very muggy side. The risk of any downpours diminishes in the morning, but a few isolated thunderstorms may fire right back up late in the day.
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A frontal boundary will come back on Wednesday creating a better chance of scattered showers and thunderstorms in the afternoon. Ahead of it, it will be a very warm and humid day as temperatures climb into mid-80s.
For the rest of the week, it will be all about the heat. Temperatures will climb to around 90 and it will likely feel more like the upper 90s to around 100 degrees by Friday. Thursday looks to stay dry, but the risk of the thunderstorm cannot be ruled out for Friday.
Oppressive humidity will continue through the week. With heavy rain on the way, and saturated ground from previous storms, flash floods are possible.
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The summer-time pattern will continue into next weekend. It will be partly to mostly sunny with the risk of an afternoon shower or thunderstorm. The humidity will remain to be on the high side, but it may take a break heading into next Monday.