Archive for April 26, 2014

AFTER A STORMY FRIDAY EVENING, THE WEEKEND WEATHER WILL BE FANTASTIC… A COMPLEX FRONTAL SYSTEM MAY BRING UNSETTLED WEATHER FOR MOST OF NEXT WEEK

The system that brought the thunderstorms on Friday is now well offshore and we should see a very pleasant day today with mild temperatures. Westerly winds blowing down the mountains will cause the warm temperatures, despite a cold frontal passage Friday night. The air compresses as it moves downward which causes the warming…  Officials are checking storm damage in the Elizabeth City, N.C. area to determine whether a tornado touched down or straight-lined winds caused the damage. I have not heard about any major damage from storms here in Hampton Roads. A little over an inch of rain fell in my backyard but much less was reported at Norfolk International Airport, where less than a half inch of rain was reported. Whenever a weather system causes the winds at the surface to blow from the south or southeast and the winds aloft are blowing from the southwest, the different wind directions with height (or wind shear) can cause rotation in a thunderstorm resulting in a tornado. That’s one of the reasons the NWS issued a Tornado Watch yesterday. Several other factors contributed to the severe weather potential. The lightning was quite frequent with these storms and you have to keep in mind that lightning is a very real threat in any thunderstorm, whether it is severe or not… We have nothing to worry about this weekend regarding the weather. A cold front will be moving through tonight but forecasters are not expecting anything more than a sprinkle or light shower over our northernmost areas. Sunday will be a cooler day as our winds switch to the north… Meanwhile a storm system will be gathering in the center of the nation that will be a big player in our weather next week. The exact details are not certain right now, but it looks like we will see an extended period of unsettled weather beginning either Monday or Tuesday… That’s it for now.  Enjoy the weather this weekend!

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