A Week Of Active Weather Incoming

Hello everyone!

From 70 to 30 and back again, this week will be a wild one weather wise. While it looks like we’re too far north for the bulk of the snow both Sunday and Tuesday (how often do you get to say that in April?), some flakes are likely to pile up in southern areas both days. In between? Wind gusts over 50mph and temps dropping into the teens will make it feel like January. Find yourself longing for spring? Temps soar back into the 60’s late next week with heavy rain likely. My apologies for the brevity, my schedule is a bit tight this evening. I will have a full in depth update this time tomorrow.

12Z RGEM Showing The Arrival Of Arctic Air Sunday Morning. Image Credit: Weatherbell
12Z RGEM Showing The Arrival Of Arctic Air Sunday Morning. Image Credit: Weatherbell

A storm scrapes the area tomorrow with some light showers possible along the coast. Following that, a cold front blasts in from the west bringing snow squalls. Low pressure rapidly redevelops to our south but likely remains far enough south to leave us mainly out of any accumulation. Accumulations would likely be limited to York County and points south and would be in the coating-2″ range, more towards Boston and Albany. The main story for us will be the cold and the wind. Winds likely gust near or over 50 mph Sunday as temps plummet into the 10’s even at the coast by Monday morning. Winds calm Monday ahead of the next threat for light coastal snow.

12Z GFS Showing Why The Monday Storm Likely Is A Glancing Blow.  Image Credit: Accuweather
12Z GFS Showing Why The Monday Storm Likely Is A Glancing Blow. Image Credit: Accuweather

A clipper system arrives Monday and attempts to redevelop offshore but likely completes this task a little too late for us. The 500mb pattern shows why. The two upper level disturbances don’t merge and thus the trough remains positive/neutral. This sends the low east with just a period of light snow/flurries at the coast. Accumulations would likely top out at an inch or so Tuesday morning.

12Z GFS Showing The Return Of Spring Late Week. Image Credit: Accuweather
12Z GFS Showing The Return Of Spring Late Week. Image Credit: Accuweather

By late week, the trough over the east coast sets up to our west allowing for warm southerly flow. This will pump in tropical moisture resulting in a band of heavy rain. Where this sets up is still TBD, it is a week away, but someone is likely to see some heavy rain and everyone will enjoy the return of above normal temps. Notice the trough tilt being negative which sends the moisture back W towards us rather than out E like on Monday.

More detailed info for all three storms tomorrow when I have more time.

-Jack

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