Archive for October, 2013

A SPRAWLING HIGH PRESSURE AREA WILL BRING US AN EXTENDED PERIOD OF DRY WEATHER… TEMPERATURES WILL MODERATE OVER THE NEXT FEW DAYS

After a frosty morning, Saturday will turn out to be a very nice day with temperatures peaking at around 60 degrees. Southwesterly winds will slowly bring in milder temperatures. The weather pattern over the next few days is a dry one with high pressure dominating the weather. Temperatures are expected to slowly moderate as we head through next week. The calm, clear conditions last night caused temperatures to drop to frosty levels, especially in areas away from the water. Freeze Warnings were in effect for many inland areas. The nights are getting longer allowing for the temperatures to drop. When the sky is clear and the humidity is low, the heat radiates very efficiently into space. At night, cloud cover and higher humidity hold the heat in that we gained during the day preventing a rapid loss of heat. The next chance of significant rain probably won’t come until we get to later next week or the weekend, but the computer models do not agree on the timing of the next precipitation event.

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THE SECOND HALF OF THE WEEKEND WILL BE MUCH BETTER THAN THE FIRST HALF… THE FORECAST FOR THE WEEK AHEAD IS A LITTLE TRICKY… A COLD AIR MASS THAT IS PLUNGING INTO THE U.S. SHOULD BRING CHILLY WEATHER TO THE MID-ATLANTIC STATES LATER IN THE WEEK

After a gloomy Saturday, Sunday will be bright and sunny with temperatures peaking in the mid to upper 60’s. We picked up only about a tenth of an inch of rain here in my Virginia Beach neighborhood on Saturday. That’s basically what weather forecasters predicted as we weren’t supposed to receive that much rainfall from the weak system that was moving off the coast to our south and east yesterday. Well, that system is gone and high pressure has settled into the region bringing clear skies. There seems to be some uncertainty about the mid-week period this week due to moisture that will be streaming northeastward and an approaching cold front. According to a government website that forecasts the total precipitation for the week ahead, there isn’t a lot of rainfall predicted for the upcoming week. It appears that most of the rainfall will slide to our south and east. The cold front itself may bring some showers or a period of rain but right now, the forecast is for only light amounts. We’ll see if that changes. Either way, the pattern is a chilly one for later in the week as the cold air mass that is now moving into the center of the nation moves east into our neck of the woods. So, enjoy the great fall weather while it lasts.

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A WEAK LOW PRESSURE SYSTEM OFF THE NORTH CAROLINA COAST WILL BRING UNSETTLED WEATHER ON SATURDAY… SUNDAY LOOKS DRIER… MUCH COOLER WEATHER IS POSSIBLE LATER NEXT WEEK

Saturday has started on the wet side in my Virginia Beach neighborhood. As the headline states, a weak area of low pressure off the NC coast is causing the scattered showers. They are moving from southwest to northeast very quickly as winds in the upper atmosphere are quite strong. The chance of rain will be highest this morning and then it will drop off later this afternoon. Rain chances will be highest the further south and east you are. A cold front will move through tonight which will basically clear us out making Sunday much nicer. Temperatures should stay in the 60’s today with the cloud cover. There is some uncertainty in the week ahead as some models indicate a chance of rain during the mid-week period as moisture flowing in from the southwest may impact the area. I noticed that the NWS has kept the forecast dry for now but that could change. Colder weather seems likely later in the week as a chilly air mass is expected to move into the Mid-Atlantic Region… The tropical Atlantic is quiet for now.

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THE DREARY WEATHER CONTINUES… SOME IMPROVEMENT IS POSSIBLE BY MID-WEEK

This has been one of the longest stretches of damp and drizzly weather in a very long time here in Hampton Roads. So, you’re wondering when it will end? Well, as it looks now, there should be slow improvement by late Monday and Tuesday. However, low level moisture will be slow to move out as there is no real clear cut mechanism to scour it out. Drizzle and very light rain many times does not show up on regional radars, so although a radar screen may look clear, drizzle and light rain may be occurring. The precipitation is generated in the lower parts of the atmosphere, which is too low in the atmosphere to be picked up by most radars. There are some light to moderate showers that will be moving in from the ocean as the pesky low pressure system sinks southward off our coast. Winds will also increase causing some rise in tidal levels, although right now, coastal flooding should be minor in nature. The low will slowly dissipate and the onshore flow will slowly diminish. However, it will be a very slow process, so clearing will be very slow to occur…. The tropical Atlantic is quiet for the most part. Hurricane season will be winding down as upper-level winds become more and more unfavorable due to the change of seasons. It ends on November 30th. That’s it for now. Thanks for reading and have a great day.

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THE DAMP WEATHER CONTINUES THIS WEEKEND… THINGS SHOULD IMPROVE BY THE MIDDLE OF NEXT WEEK

This will be just a brief post as I have a limited amount of time this morning. The system that brought us all the heavy rain and wind this past week is still lurking close by and it will make another swipe at us this weekend. Although we probably won’t see rainfall rates that we saw earlier this week, we should add to the rain bucket later today through Monday. High pressure building down from Eastern Canada will keep us in a northeasterly flow and will also push the low pressure area southward off our coastline. As the winds increase again, tides will also come back up but only minor coastal flooding is likely. There will be periods of drizzle and light rain but as the low makes a return, the rain may become steady at times later today and tomorrow. My Virginia Beach neighborhood received over 9 inches of rainfall this week! That literally wiped out the rainfall deficit that we had. I will have a more extensive post tomorrow (Sunday).

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