Pittsburgh residents can breathe a sigh of relief—at least for a fleeting moment—as the city kicks off the weekend with a forecast that promises dry weather and above-normal temperatures for your Saturday activities.
According to a report by the
National Weather Service
in Pittsburgh, PA, “overnight lows right around normal” are to be expected, with Saturday’s daytime experiencing warmer climbs a few degrees above the usual mark.
However, this stretch of agreeable weather is set to turn as low-pressure ushers in widespread rainfall come Sunday quickly.
The
National Weather Service
also detailed that warmer air aloft, aligned with an easterly surface wind, is projected to push 850 mb temperatures to somewhere between 8-12C gradually. This sequestered warming may quickly dissipate, given the chance to capriciously disrupt residents’ Sunday morning ease with “a strong pull of Gulf and remnant Rafael moisture,” resulting in “integrated vapor transport values 2-4 SD above normal.”
As the weekend progresses, Pittsburghers should ready their umbrellas and rain gear. The forecast indicates high confidence in widespread wetting rainfall on Sunday, with a near-certain ensemble probability that the region will be drenched with at least 0.10 inches of rain, escalating chances to receive half an inch or more by Sunday afternoon. The presence of an 850 mb jet is posited to intensify low-level convergence, which may pour out as localized, heavier rainfall in select pockets of the city.
Looking ahead to the week, the
National Weather Service
cautions that an overall “low confidence rain chances for the beginning of the week” presides. It is likely a waiting game to witness if showers will continue to linger into Monday or if a brisker pattern will allow the region to dry out sooner. By mid-week, another system may bring additional rain before yielding to “high pressure and dry conditions returning” on Friday.
Aviation sectors will remain largely unaffected until Saturday night, with VFR conditions expected throughout the period and winds subtly shifting from north to east on Saturday morning. However, as Sunday welcomes the wet front, MVFR conditions are high probability, with a 50-70% chance of IFR in rain, impacting flight visibility and potentially bringing unwelcome disruptions to travelers.
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