I provide a weather email service for people in MD. I am a storm chaser & Skywarn spotter. For daily weather tidbits follow me on Twitter: @wxmanMD.
By: cws6196 , 2:06 PM GMT on July 18, 2012
update Wed afternoon
As I look at the current radar and the line of storms in PA moving to the SE I see some strong cells. A look at the recent data and new advisories from the SPC, and I would now add a slight, but there, risk for tornadoes primarily NE of Baltimore City (E Balt Co, Harford & Cecil). The rest of my previous post remains the same. For everyone in MD, keep an eye on the sky and be careful of any thunderstorms which form.
Follow me on Twitter (@wxmanmd or www.twitter.com/wxmanmd) for continuing updates. My Weather Phone is also updated (443-470-9804).
original post Wed morning
It is another hot one! The NWS has issued a heat advisory for us from 11:00am-9:00pm. The increased heat and moisture (humidity) being pumped in from the SE will add to an unstable atmosphere this afternoon. Entering that instability is a cold front from the OH valley. As the front approaches us from the NW it will trigger storms. The front will be with us a couple days, allowing for storms through Friday. But, the good news is that this cold front will bring down the temps and humidity.
TIMING: Most of the storm activity should start after 3:00pm today, but some cells to the west could start a bit earlier.
LOCATIONS: The stronger storms should effect western and central MD, although southern MD is not in the clear, but the bulk of the storms will stay in central MD.
THREATS: Strong wind gusts and hail are the main threats. We shouldn't see any tornado activity. But always be prepared.
If any watches or warnings are issued I will keep you posted. I would expect at least a thunderstorm watch to be issued, but right now there is only the heat advisory. Keep an eye on the sky! Follow me daily on Twitter (@wxmanmd).
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