Archive for February, 2016

A MUCH MORE TRANQUIL WEATHER PATTERN EXISTS IN THE MID-ATLANTIC STATES THIS WEEKEND FOLLOWING THE INTENSE LOW PRESSURE SYSTEM THAT WREAKED HAVOC ACROSS PARTS OF THE COUNTRY THIS PAST WEEK… A NICE WARM-UP IS IN STORE FOR THE SECOND HALF OF THE WEEKEND

In our part of the country, tornadoes are quite rare for February. However, a very deep low pressure system that brought up very warm and moist air from the south combined with very strong upper-level winds created ideal conditions for the development of severe storms. Wind Shear also created the conditions to cause spin in the atmosphere that ultimately helped to produce the tornadoes. Tornado season does begin in February, but it starts in the Gulf Coast states and slowly works its way northward as we head through spring and early summer. On average, our best chances of seeing a tornado are in the summer… Weather conditions are much calmer today (Saturday) as high pressure builds in from the southwest. Winds will be light today but it will be on the chilly side. A warm-up is on the way for your Sunday and will last into early next week. A frontal system that is expected to approach the region by mid-week is expected to bring us a chance of showers and possibly even a thunderstorm. At this point, it is not known whether severe weather will be possible with this system here in Hampton Roads, so please monitor the local media and NWS forecasts as it gets closer to this event.

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WARMER TEMPERATURES THIS WEEKEND WILL BE FOLLOWED BY A RATHER UNSETTLED WEATHER PATTERN BEGINNING EARLY NEXT WEEK… TEMPERATURES TURN COOLER ON MONDAY

A southwesterly wind this weekend will transport warmer air into the Hampton Roads region this weekend. There will be some cloudiness at times, but overall, it will be a really nice weekend for this time of year. A weak low pressure system passing to our north on Sunday may bring a chance of a shower late Sunday or Sunday night, especially in areas north of Hampton Roads. Monday should be a cooler day as our winds turn out of the north behind a cold front. Rain chances begin to increase Monday night and Tuesday as a series of low pressure systems move eastward. Temperatures next week should be warm enough here in Hampton Roads, so that we should not have to worry about snow or ice. However, areas well to our north and west such as the Virginia Piedmont area need to pay close attention to the forecast as there could be some snow or mixed precipitation during one of these precipitation events. So, enjoy the weather this weekend. Thanks for reading and have a great weekend!

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PRECIPITATION MOVES INTO HAMPTON ROADS EARLIER THAN EXPECTED BRINGING A LIGHT SNOW ACCUMULATION… MILDER AIR MOVES INTO THE REGION CHANGING THE SNOW TO A MIX AND THEN RAIN… TUESDAY WILL BE MUCH WARMER WITH RAIN IN THE MORNING… WEDNESDAY SHOULD BE DRY WITH SEASONAL TEMPERATURES

Precipitation began earlier than expected overnight which meant that snow fell across Hampton Roads since it was still very cold. This sometimes occurs when strong upper-level winds cause overrunning precipitation to break out well ahead of the approaching low pressure system. The strong high pressure area that brought the frigid conditions didn’t even have a chance to leave. Warm and moist air is lighter than cold dry air so it rises above it causing condensation and then precipitation. It looks like about an inch of snow fell in my neighborhood and it has now stopped. As milder air moves in from off the Atlantic, we will see the precipitation change to sleet and then rain from SE to NW during the day today. If you are traveling to the Piedmont region of VA, the changeover will take longer to occur. Freezing rain is also possible in parts of VA as the cold air at the surface may be hard to dislodge. Much warmer air is expected to arrive on Tuesday along with a good chance of rain. As it looks right now, the rain should occur during the morning and mid-day hours. The rain should end during the afternoon. Thunder is possible in some spots. The cold front responsible for the rain tomorrow will sweep offshore resulting in clearing skies. Wednesday should be dry and seasonal. That’s it for now. Thanks for reading and have a great day!

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HIGH PRESSURE CENTERED OVER MINNESOTA BRINGS THE COLDEST TEMPERATURES OF THE SEASON TO HAMPTON ROADS… A LOW PRESSURE SYSTEM IS EXPECTED TO BRING RAIN ON MONDAY AND TUESDAY WITH WARMER TEMPERATURES

Well, I think the computer models (and the local TV meteorologists) did very well predicting the snowfall on Friday. Many school systems closed early which enabled school staff and students to get home before the snow started. Despite temperatures that were just under freezing Friday afternoon, the snow didn’t stick that much to the roadways in my local area. The sun angle is getting higher and higher in the sky so this can impact whether snow will stick to the pavement during the daylight hours, even though the skies are overcast. Had the snow continued into the night, it would have stuck to the roads creating a much more hazardous situation. Strong northwesterly winds are ushering in what should be the coldest temperatures of the season. Temperatures may not get over the freezing point today and will drop into the teens tonight. Temperatures on Sunday will be even colder but the winds should be diminishing. You should take the necessary precautions to prevent your water pipes from freezing. A low pressure system approaching from the southwest should bring rain on Monday (President’s Day). Some mixed precipitation is possible at the start in some areas. However, milder air will be arriving which should make this a mostly rain event for Hampton Roads. As it looks right now, Tuesday will be a rather wet and breezy day with mild temperatures. Have a great weekend and try to stay warm!

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TEMPERATURES SHOULD REMAIN AT OR BELOW NORMAL LEVELS OVER THE NEXT FEW DAYS… A LOW PRESSURE SYSTEM IS EXPECTED TO INTENSIFY OFF THE SOUTHEAST COAST ON SUNDAY… ANOTHER SYSTEM MAY BRING RAIN/SNOW SHOWERS MONDAY NIGHT AND TUESDAY

After a very nasty period of weather this past week, we saw clearing skies on Friday. High pressure will bring fair and chilly conditions today (Saturday). Winds shouldn’t be much of an issue today. A low pressure system is expected to develop off the Southeast Coast on Sunday and computer models have it intensifying rapidly as it moves northeastward. Although the storm’s major impacts should remain offshore, indications are that rain could spread into Hampton Roads on Sunday. The further south and east you are the higher chances of rain will be. North Carolina has the highest chances of rain on Sunday. Marine conditions are expected to deteriorate on Sunday as strong winds and high waves are expected. I think that Hampton Roads is very lucky (or unlucky if you like snow) because given the time of year and the track of this storm system, snow could have been in the forecast for Sunday and Sunday night. The northwest quadrant of a storm system many times has snow at this time of year. However, temperatures look like they are going to be too warm for frozen precipitation. That’s how it looks as of the time of this writing. The storm moves away on Monday, but it will be quickly followed by another system from the west. This system should bring a chance of showers and possible snow showers on Monday night and Tuesday. As the NWS states in their Saturday morning update, it is too early to discuss any potential snow accumulations. That’s it for now. Thanks for reading and have a great weekend!

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