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Gloom & Doom Onshore Flow Curse & A Late Week Nor’easter Possibility

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Gloom & Doom Onshore Flow Curse & A Late Week Nor’easter Possibility

It has been a long time since we have seen a set up like this one for the week ahead. It is a combination of gloom & doom and the curse of the onshore flow, and it culminate with a coastal storm late this week though that part has uncertainty attached to it. In the meantime the gloom begins today. We had some rain overnight in most but not all areas. Southern New Jersey and points south did not see much but for everyone else it is one of those annoying set ups of light rain on and off for today. Most temperatures today will be in the 60s while it is raining and probably topping out in the upper 60s in most places, low 70s to the south.

SATELLITE WITH LIGHTNING STRIKES

WEATHER RADAR

The rain will be coming in waves over the next couple of days. You see the radar is active with heavier rain falling across West Virginia into Maryland. This is where there might be some flash flood risks but fortunately the rainfall amounts in the forecast are spread out over 72 hours so I do not expect to see flash flood issues develop except for maybe some areas where drainage is poor.

Some areas will see another round of rain overnight and Monday morning followed by a bit of a break. I suppose with a little like the sun could poke through the clouds and some places but odds are low. The onshore flow continues Monday as most highs will be in the 60s.

Later Monday night and Tuesday we see another surge of rain that will move through much of Eastern Pennsylvania to Southern New England and it will be a raw miserable day with highs generally in the 60s and in some cases lower 60s! Eventually strong high pressure to the north will force the rain southward later Tuesday. Wednesday and Thursday look to be cloudy days with some patchy light rain or drizzle with temperatures in the 60s.

Strong high pressure in Eastern Canada is going no where thanks to a blocking pattern over the North Atlantic. It only gets stronger as the week goes on. Eventually we will turn our attention to a stalled frontal boundary off the Mid Atlantic coast where low pressure is forecast to develop and strengthen underneath the high. Models are suggesting that the blocking low could force the low north and then westward toward the coast though how close remains to be seen. This is not going to be a tropical low but it may not matter in terms of possibilities of rain, wind, and coastal flooding for later this week. The onshore flow actually increases the chances for coastal flooding at times of high tide as the week wears on regardless of whether a nor’easter develops out of this or not. This will have our attention for the upcoming week.

 

 

MANY THANKS TO TROPICAL TIDBITS FOR THE USE OF MAPS

Please note that with regards to any severe weather,  tropical storms, or hurricanes, should a storm be threatening, please consult your local National Weather Service office or your local government officials about what action you should be taking to protect life and property.

 

Categories: Joe's Forecast
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