Be prepared Monday for rain that could potentially escalate into severe thunderstorms and possible chances of an isolated tornado, according to the National Weather Service (NWS), as a cold front moves from west to east through central Pa.
NWS meteorologist Greg DeVoir said the best chance of severe weather hitting the Harrisburg area would probably be in the mid-afternoon. Afterward, the storm will continue sliding east of Harrisburg and out of the area by the evening commute.
“In general, the outlook [for strong storms] is for the eastern half of Pennsylvania,” DeVoir said Sunday night. “So from I-99 corridor eastward is where the outlook we discussed is valid for. Anywhere in that area could be up for some stronger storms capable of damaging winds, some large hail, and an outside threat of an isolated tornado.”
Monday
Showers could potentially transition into a thunderstorm after 1 p.m. with winds gusts of 60 miles per hour or greater and hail up to 1 inch in diameter. A tornado also is possible. The chance of precipitation will be at 90 percent. New rainfall amounts between a tenth and quarter of an inch are forecast, except higher amounts possible in thunderstorms.
Monday Night
Be prepared for showers and thunderstorms to take place before 9 p.m. It will be cloudy during the early evening, then gradual clearing, with a low around 54. West winds will be between 5 and 10 mph, with gusts as high as 21 mph.
As for the rest of the week, skies will be sunny to partly sunny with an outside threat of a shower or a thunderstorm on Thursday and Friday. Highs will start in the 70s and warm into the mid to upper 80s by the end of the week.
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