Chester Hill, PA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Chester Hill, PA

June 14, 2024 5:34 PM EDT (21:34 UTC) Change Location
Sunrise 5:37 AM   Sunset 8:46 PM
Moonrise 12:36 PM   Moonset 12:34 AM 
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7 Day Forecast for Marine Location Near Chester Hill, PA
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Area Discussion for - State College, PA
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FXUS61 KCTP 141908 AFDCTP

Area Forecast Discussion National Weather Service State College PA 308 PM EDT Fri Jun 14 2024

SYNOPSIS
A cold front over the Great Lakes will push southeastward across Pennsylvania this afternoon into this evening, accompanied by showers and thunderstorms. This front will be followed by Canadian high pressure building in for this weekend, bringing lower humidity. After that, the big story will be building heat as a subtropical ridge builds over the eastern United States next week.

NEAR TERM /THROUGH TONIGHT/
Scattered showers and storms continue to become more numerous across central PA this afternoon, ahead of an approaching cold front. A few of these storms could produce brief gusty winds and small hail.

Ensemble plumes indicate just a few tenths of an inch rainfall for most locations, although localized 1-2+" amounts are possible in any persistent downpours.

Any evening showers/storms should exit the Lower Susq Valley by late evening, as the cold front pushes east of the commonwealth. High pressure building in behind the front should bring clearing skies, cooler air and lower humidity overnight.

SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/
Canadian high pressure building southeastward into PA will bring fair weather this weekend, with abundant sunshine, seasonably warm days and comfortable humidity.

Dry air above a weak inversion in the model soundings suggest dewpoints will fall below NBM guidance, especially Saturday, so have leaned drier than guidance.

Ideal conditions for radiational cooling appear likely Sat night under the surface high, resulting in min temps several degrees below mid June normals. Temps at daybreak on Sunday will range from the mid 40s across the nrn mtns to the mid 50s in the Lower Susq Valley. Expect another pleasant afternoon Sunday with low dewpoints and highs in the upper 70s to mid 80s, about 5 deg warmer than Saturday. Warm advection will be underway Sunday night, with low temps in the 50s to low 60s.

LONG TERM /MONDAY THROUGH FRIDAY/
Confidence is increasing for a heat wave next week with the potential for 4-6 consecutive days of MaxT 90F+ across much/all of central PA. The prolonged nature of this heat wave may have cumulative adverse effects on vulnerable populations exposed to heat, with heat related illnesses possible if proper precautions are not taken. Outdoor workers and individuals with preexisting health conditions will be among those most at risk.

Moisture may be slow to advect into the region initially, with dewpoints Monday afternoon expected to be in the range of 60-65F. Thus Mon heat index values are forecast in the mid to upper 90s, with some valley locations across central/southern PA pushing close to the 100F mark.

Tuesday through Thursday (and potentially Friday-Saturday) are progged to be the warmest days of the week, with most guidance showing a 595-600 dm 500 hPa ridge centered over the area.
Southerly flow will usher in higher dew points Tuesday that will allow for heat index values to reach 100-105 degrees over a large portion of the area. With the large high pressure system overhead, winds will be light and clouds will be few. Keep in mind that the sun angle will be at its max next week as we approach the summer solstice. The intense sun and lack of a breeze will exacerbate the impacts of heat. Beyond Thursday, uncertainty begins to develop regarding the shape of the ridge and the possibility of convection firing along the periphery of the high pressure system, but the potential for highs in excess of 90F continues through Saturday.

AVIATION /18Z FRIDAY THROUGH WEDNESDAY/
An approaching cold front will produce scattered showers and thunderstorms this afternoon into this evening across central PA. The majority of the day, however, will feature VFR conds, with only brief reductions and potentially gusty winds in the vicinity of storms.

The front will push east of the area tonight, bringing an end to any lingering shower/storm activity. After that, we are in for a nice stretch of weather with predominantly VFR conds prevailing through the weekend.

Much of next week will feature VFR conds as well, although a heat wave is expected to build across the eastern United States.

Outlook...

Sat-Tue...Predominantly VFR, with building heat next week.

CTP WATCHES/WARNINGS/ADVISORIES
None.




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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KFIG CLEARFIELDLAWRENCE,PA 15 sm40 mincalm10 smClear75°F66°F74%29.92
KUNV UNIVERSITY PARK,PA 20 sm41 mincalm10 smPartly Cloudy70°F66°F88%29.92
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State College, PA,




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