Archive for December, 2008

THE ROLLER COASTER RIDE CONTINUES AS TEMPERATURES FLUCTUATE WITH EACH PASSING FRONTAL SYSTEM… WHAT WILL THE WEEKEND BE LIKE?

We’ve been seeing a very progressive weather pattern the past few days. On Monday, it was very mild for mid-Decemeber. Tuesday was cold and damp and Wednesday, temperatures are back up there but not as warm as they were on Monday. The roller-coaster ride in temperatures is basically caused by the configuration of the jet stream, which is the divinding line between bitter cold weather and the mild weather that has flirted with our region of late. As we move through the end of the week, the temperature fluctuations should continue. Although it could shower during any one of the frontal passages, forecasters don’t see siginificant rain until we get to Sunday, when a more important system comes our way. The bitter cold across the Mid-West is not really coming our way so the chance of any frozen precipitation in our area remains low. However, there may be some to our north as we head into Friday.

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FOR THE FIRST TIME IN A VERY LONG TIME, NORFOLK INT’L AIRPORT IS ABOVE NORMAL IN ANNUAL PRECIPITATION… MILDER AIR MOVES INTO HAMPTON ROADS AS THE PATTERN BECOMES UNSETTLED AGAIN

Believe it or not, ORF is reporting above normal precipitation for 2008. I don’t think that ORF has reported above normal yearly precipitation since 2006. That is very good news! The very wet frontal system that moved slowly through our region last week brought over 3 inches of rain to many localities. This brought us enough rainfall to ORF to exceed our year-to-date normal total. Another period of unsettled weather is expected this coming week, although I don’t think that we are going to see as much rain as we saw last week. Milder air is on its way again which will make for a spring-like Monday. No significant rain is expected here locally on Monday. As a frontal system moves closer towards mid-week, rain chances increase on Tuesday and Wednesday. We should cool down again as the front drifts through our region. The big rain storm here a few days ago brought a severe ice storm to parts of the Northeast. Many power outages have occurred leaving folks up there with no heat. Milder air is expected up there this week which is good news. Any sign of snow for us? Not really, but we are so overdue. Maybe the snow that fell in the New Orleans and Houston area last week is a sign that we might also see snow this winter.

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AFTER THE DELUGE, COLDER AND DRIER WEATHER MOVES IN FOR THE WEEKEND… MORE RAIN IS A POSSIBILITY NEXT WEEK

Over three inches of rain fell on Thursday in my VA Beach backyard. This was a very beneficial widespread rain event. Colder air has moved in behind the storm system and we should have a cold but dry Saturday. Temperatures moderate a bit on Sunday. The dry weather should continue on Monday, but showers are possible as we head towards mid-week. Temperatures will increase as we head towards mid-week (sound familiar?) It seems like the same situation as last week, but I doubt we see as much rain as we saw this past week. How about that snow in New Orleans and Houston? That was truly an incredible event! So much for Global Warming. I’ll have a full post on Sunday.

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RAIN SEEMS LIKELY ON THURSDAY, POSSIBLY A SOAKER… WE COOL DOWN OVER THE WEEKEND… MILD TEMPERATURES RETURN NEXT WEEK

A very slow moving frontal system is likely to bring the Mid-Atlantic States a soaking rain event on Thursday and Thursday night. What does that mean for Hampton Roads? While balmy air has moved into our region on Wednesday, the cold air is slowly advancing eastward. A low pressure system is developing to our southwest along the frontal boundary. This low will enhance the rainfall rates as the frontal system moves through our region. The heaviest rain is likely to be just to our west. Flash Flood Watches have been posted to our west. As the front slowly sags southeastward, we’ll see our temperatures drop. Frozen precipitation should not be an issue for us but up in the northeastern states, it may be a different story. We should dry out on Friday and we’ll have a cool sunny weekend. Milder air may move back into the region next week as the roller coaster ride continues.

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A CHILLY WEEKEND GIVES WAY TO A PERIOD OF WET WEATHER DURING THE WORK WEEK… TEMPERATURES WILL COME UP A BIT AS THE WET WEATHER MOVES IN

After a chilly weekend, an unsettled week seems likely for Hampton Roads along with milder temperatures.  A frontal system will move into the region on Tuesday which will introduce the chance of precipitation late in the day and this may last through Thursday. Temperatures will most likely warm up somewhat lessening the chance of any frozen precipitation. Wednesday and Thursday could turn out to be quite wet, but the timing and the amount of the rainfall is a bit uncertain. I was looking at the temperature map of North America and it is extremely cold in Central and Northern Canada. While this very cold air has been invading parts of the mid-section of the U.S and the Northeast., it is still not known how much of it will move southeast into our neck of the woods. We may see some of this very cold air late in the week or on the weekend.

As promised, here are the precipitation totals in my VA Beach backyard since the beginning of the year:

Jan: 1.55 Feb: 6.10 Mar: 2.75 Apr: 7.50 May: 3.40 Jun: 1.70 Jul: 11.80 Aug: 1.30 Sep: 11.20 Oct: 1.95 Nov: 7.90 – The total for this year so far is 57.15 inches which is significantly more than the total at ORF.

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