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Possible severe weather this afternoon and then a temperature drop for the weekend

UPDATE: The National Weather Service has issued a Tornado Watch for the Fredericksburg region through 10 p.m.


The Storm Prediction Center has issued a “Slight Risk” for severe weather for a good chunk of the Mid-Atlantic states today and Fredericksburg resides within that area as shown in this graphic:

The risk details includes a 5%  chance at tornadoes within 25 miles of any given point (small but worth paying attention to in this part of the nation) and a 15% chance at severe wind (>58 mph) for the same area.  Additionally we could receive up to an inch of rain in a short amount of time from some of these storms so flash flooding could become an issue as well.  A strong cold front will be punching into the humid air overlaying our region to create these storms later this afternoon.

This simulated radar depiction for 7 p.m. today shows a line of storms along the advancing cold front knocking on the Fredericksburg doorstop:

There could also be scattered showers and storms ahead of this line, which is why NWS Sterling is calling for the chance of storms anytime after 2 p.m. this afternoon.  This would be a good day to ensure your weather radio is working and/or your severe weather warning apps for your smartphones are up to date.  Keep in mind that if any weather watches are issued by the Storm Prediction Center that means that conditions are ripe for severe weather, but if any actual warnings are issued by NWS Sterling that means a severe weather event is imminent for your specific area and you need to take action.

After the potential wild weather this afternoon the air mass behind the cold front will drop temperatures to below normal levels for this weekend.  Today’s high temperature will likely touch the 80-degree mark – with accompanying high humidities – but Saturday will bring dryer air and a high only in the low 60s while Sunday we may not even reach the 60s.  With this dryer air in place over the weekend the low temperatures will plummet into the upper 30s and low 40s so those jackets and sweaters may feel pretty good both mornings.

Keep an eye to the sky this afternoon!

Permalink: http://news.fredericksburg.com/weather/2013/04/19/possible-severe-weather-this-afternoon-and-then-a-temperature-drop-for-the-weekend/