Active Wednesday Likely with Clusters of Strong to Severe Thunderstorms Mainly West of the Susquehanna River in Central & Western PA; Timing & Risks

After a brief stretch of some very nice weather, we’re back at it again with summertime storms as we seem to be stuck on this boundary between cooler weather to the east and some serious heat to the west. The gradient between the two has been where thunderstorms have been firing in the past two…

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Thursday to Bring Severe Thunderstorms Across Sections of Pennsylvania; Enhanced Risk for Damaging Winds Posted

After Tuesday Morning’s derecho narrowly missed Western PA, another shot at severe thunderstorms comes Thursday, with an Enhanced Risk centered on the heart of the state. Early morning thunderstorms are possible Thursday morning as a mesoscale connective system (small area of storms) works through the region between 2-7am Thursday. Storms look to develop across the…

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Derecho May Impact Parts of Western Pennsylvania Tonight into Tuesday Morning; 50-75 MPH Winds Possible

A mesoscale (small area) convective (thunderstorm) system developing in Michigan early this evening has serious potential to form a derecho (>240 mile path of damaging winds) that will move into Western Pennsylvania by early Tuesday morning. Damaging winds are possible in Southwest PA before sunrise Tuesday, so if you have anything that may blow away,…

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Strong to Severe Storms Poss. Today in Eastern & Central Pennsylvania; Damaging Winds, Flash Flooding, Isolated Tornado Risk

We’re going to kick off Memorial Day Weekend on a stormy tone, with the possibility of severe thunderstorms in eastern and central Pennsylvania. A low pressure system dragging a weak cold front behind it will move north of our area over Ontario Friday. Typically, areas on the southern flank of low pressure systems this time…

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Strong to Severe Thunderstorms With Damaging Winds & Isolated Hail Possible Today in Parts of PA

Latest short range model guidance indicates a cluster of thunderstorms developing across Southwest PA late this morning, before strengthening as they head into Central PA by the early afternoon. The cluster of storms is then expected to make its way into Eastern PA by late this afternoon. Damaging winds are the main concern, along with…

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Severe Thunderstorm Outlooks for Thursday, March 31, 2022 (Damaging Winds, Hail, Tornado Risk Maps)

The Storm Prediction Center has issued a Slight Risk (level 2 out of 5) for the eastern two-thirds of Pennsylvania. Damaging winds are the primary threat, with gusts commonly in the 40-55mph range, isolated higher. A very low hail threat and low tornado threat risk exist as well. Timing for strong to severe thunderstorms will…

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Scattered Severe Thunderstorms Possible Saturday in Central & Eastern Pennsylvania

A week ago we were forecasting snow. Now we’re forecasting temperatures in the 70s and severe weather. March Madness doesn’t just apply to college basketball, it also applies to our weather this time of year. Coincidentally, Saturday is the last full day of winter! TIMING Scattered low-topped thunderstorms will begin to develop ahead of a…

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Strong Early Season Nor’easter to Bring A Few Inches of Rain to Parts of PA Early This Week

A Colorado Low in the Midwest will transfer its energy to a rapidly intensifying coastal low pressure Monday night. That coastal low will quickly turn into a full-blown Nor’easter by Tuesday, throwing heavy rain and gusty winds back inland. If this were six weeks from now, we would be forecasting a major snowstorm in Eastern…

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Scattered Strong to Severe Thunderstorms Possible Wednesday (Sept 15); Damaging Wind & Hail Risk

Here comes another Wednesday with bad weather possible across much of the commonwealth. Scattered strong to severe thunderstorms are expected to develop mid-day Wednesday over Western and Central Pennsylvania and move east from there. Weak shear in our area will lower the tornado risk, but damaging winds and hail remain possible. This is all relatively…

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Severe Thunderstorms Possible Wednesday Across Eastern Half of Pennsylvania; Flash Flood & Tornado Risk

It has been a tranquil stretch of weather since the remnants of Hurricane Ida swept through last Wednesday. The upcoming week or two looks pleasant as well, but not before a cold front accompanied by strong to severe thunderstorms marches into the area Wednesday. We are well past the peak of severe season, so this…

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