Archive for May, 2009

A WEAK FRONT MOVES THROUGH SUNDAY NIGHT… MONDAY SHOULD BE COMFORTABLE… WE RETURN TO HIGHER HUMIDITY LEVELS ON TUESDAY AND WEDNESDAY ALONG WITH HIGHER TEMPERATURES

A weak frontal system may bring a shower or thunderstorm to parts of the region today (Sunday), but the coverage is expected to be very limitted. Actually, as I write this, a dying line of showers and storms is moving across VA. Monday should be a decent day with temperatures expected to be in the 70’s along with a northeast to east breeze off of the water. Then, as a high pressure system slowly builds to our southeast during the mid-week period, a southerly wind component will increase our temperatures along with the humidity levels. It will feel quite uncomfortable during the afternoons and we may see a pop-up shower or thunderstorm. A cold front is expected to approach the area late in the week sparking some showers and thunderstorms. As I have mentioned numerous times, we remain below normal precipitation-wise so any rain that we receive should be welcomed. There has not been significant rainfall in my VA Beach neighborhood since May 18th. Remember that Hurricane Season begins Monday, June 1st so please make sure that you have a plan and adequate supplies  just in case the Hampton Roads is threatened by a storm.

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DRIER AIR MOVES IN FOR THE WEEKEND… WARM, HUMID WEATHER RETURNS BY MID-WEEK

A cold front moved through Hampton Roads Friday night bringing just a few showers and thunderstorms. My neighborhood didn’t receive any rain and from what I’ve seen this morning, only a few areas saw any significant rain across SE VA. It was a dissappointing frontal passage as I was hoping for a good soaking for my garden. The soil is starting to get dry as we haven’t seen any significant rain since May 18th. The cold front has pushed the humid air out to sea so the air will feel more comfortable today (Saturday). Another weak disturbance will move through late Saturday night which could touch off a shower in some spots, but moisture will be very limitted with this system. Sunday looks decent after some morning cloudiness. As we head through the work week, we will see a typical summer-like pattern with a developing Bermuda High pressure system. This will help to pump up warm and humid air from the south making it uncomfortable again. This set-up will also raise the chances of diurnal showers and thunderstorms as we head into the mid to late week period. ORF is now about 3 inches below normal for the year so let’s hope that we get into a wet pattern. I’ll have an update on Sunday morning.

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WARM AND HUMID WEATHER CONTINUE ALONG WITH THE CHANCE OF ISOLATED SHOWERS AND THUNDERSTORMS… IT’S JUST MORE OF THE SAME FOR MOST OF THE WEEK

Memorial Day will be very similar to Sunday, with warm and humid conditions persisting across Hampton Roads. There will again be that chance of showers and thunderstorms developing during the late morning, afternoon and evening hours. Not everyone will receive rain, but the areas that do could have a soaking. There will be lots of clouds around so temperatures won’t be able to climb too high, but with all the humidity around, it will feel quite uncomfortable at times, especially if you are doing yard work or exercising. Forecasters are saying that on Tuesday, we will see a higher chance of rain as a short wave should be strong enough to act as a trigger for some showers and/or thunderstorms. With a frontal boundary stalled nearby for most of the week, there will be a chance of showers each day through Saturday. It won’t rain every day in all areas each day but there will probably be a chance of rain somewhere in our region each day. A stronger cold front should be able to make it into the region next weekend, but there is quite a bit of uncertainty with that forecast right now. Note that at this time of year, it gets harder and harder for cold fronts to make it through our part of the country.

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WARM AND HUMID WEATHER WILL CONTINUE FOR SEVERAL DAYS… HIT OR MISS SHOWERS AND THUNDERSTORMS SHOULDN’T TOTALLY RUIN YOUR OUTDOOR PLANS THIS HOLIDAY WEEKEND

The weather map features a departing high pressure system out in the Atlantic, a very slow moving frontal system approaching VA from the NW and a low pressure system swirling near TN. The S-SW flow around the high pressure system in conjunction with the low well to our SW will bring up higher humidity into our part of the nation. This combined with ample sunshine and some slight instability from very weak shortwaves, should produce hit or miss showers and thunderstorms over the next few days. Here’s the way forecasters break the it down… Today (Sunday), chances of rain will be very low, especially east of I-95. But, when you have all this humidity around, you can never rule out a pop-up shower or storm from occurring. On Monday, the chances of rain go up a bit, but forecasters are not predicting a wash-out for anyone. Since the front will be just to our north for a good part of the upcoming week, precipitation chances will remain with us for much of the week. Pinpointing what time period that will have the highest precipitation chances is nearly impossible at this point given the uncertainties of the current weather pattern. I will have an update on Memorial Day.

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MEMORIAL DAY WEEKEND IS LOOKING GOOD FOR MOST OUTDOOR ACTIVITIES… RAIN CHANCES SLOWLY INCREASE LATE IN THE FORECAST PERIOD

As the headline states, the holiday weekend looks like a good one for Hampton Roads. Temperatures will be slightly above seasonal levels except in areas near the water, where cooling sea breezes will develop during the afternoon. Remember that water temperatures are still pretty chilly so when the wind comes from the water, it can be as cool as the water temperature. There is a slight chance of a pop up shower or thunderstorm, especially west of I-95 and this chance will slowly increase as we head through early next week. A very weak front to our north in conjunction with increasing humidity levels will raise the chance of isolated showers or thunderstorms. Forcasters don’t believe that there will be anything widespread but any storm that does develop could drop some heavy rain. I doubt we (Hampton Roads) will see any activity on Saturday but as the weekend wears on, a pop up storm cannot be ruled out. The first “tropical concern” of the season is now in the northern Gulf and it is going to move inland very shortly. It started out as an upper level low pressure area east of Florida and has moved slowly to the west across the state. The system has brought much needed rain to much of Florida alleviating the drought conditions. Hurricane season begins June 1st so now is the time to prepare and to make sure that you have all necessary supplies. I’ll have an update on Sunday.

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