Hurricane Ida Forecast to Make Landfall Sunday As 140 MPH Cat. 4 Hurricane; Watching Potential Impacts on Pennsylvania Next Week

A Category 4 Major Hurricane Ida is expected to make landfall Sunday afternoon in Southern Louisiana, where mandatory evacuations are ongoing. Winds at landfall are modeled to be around 140mph, with higher gusts possible. Conditions in the central Gulf of Mexico will be very favorable for rapid intensification. Here is the latest forecast from the…

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T.D. Fred to Bring Heavy Rain & Flash Flood Risk + Spin-Up Tornado Risk In Parts of Pennsylvania Wednesday

Tropical Depression Fred is already producing heavy rain across the southern Appalachians as well as an enhanced tornado risk in the Carolinas, and all those impacts will quickly be making their way up into our region by Wednesday. Moderate to heavy rain will persist through much of Wednesday across the Alleghanies and Appalachians, and a…

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Severe Thunderstorm Risk Thursday With Damaging Wind & Isolated Tornado Threat in Southern PA

An area of heavy rain potentially with embedded thunderstorms will move through western and central PA Thursday morning and early afternoon. This may work to limit convection and instability, which would reduce the severe threat. A few hours of clearing is almost always required to destabilize the atmosphere, and where the destabilization occurs in the…

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Daily Forecast for Tuesday, July 27, 2021

Expect another hot and humid day with partly cloudy skies.  A boundary to the north will slowly slide south by later this afternoon and trigger widely scattered showers and thunderstorms across the northern portion of the state.  Locally heavy rainfall is possible with these thunderstorms.  Temperatures will likely reach the low to mid-90s across Southeast…

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Strong to Severe Thunderstorms With Damaging Wind & Hail Threat Possible in Eastern Half of PA Wednesday + Wildfire Smoke Exiting

Thunderstorms are expected to pop-up early this afternoon over the northern PA mountains and push southeast in the mid to late afternoon. At the same time, the wildfire smoke will also be pushing southeast, as illustrated in the map at the bottom of the post. The Philadelphia Area has the greatest risk of scattered severe…

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