West Homestead, PA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for West Homestead, PA

June 15, 2024 7:47 AM EDT (11:47 UTC) Change Location
Sunrise 5:47 AM   Sunset 8:53 PM
Moonrise 1:43 PM   Moonset 12:59 AM 
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7 Day Forecast for Marine Location Near West Homestead, PA
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Area Discussion for - Pittsburgh, PA
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Area Forecast Discussion National Weather Service Pittsburgh PA 357 AM EDT Sat Jun 15 2024

High pressure and a northerly flow will provide plenty of sunshine and comfortable conditions today. A large ridge will build over the region Sunday and remain in place through the rest of the week. A prolonged and potential dangerous heat wave is anticipated under this ridge.


- Dry weather and comfortable conditions today.

Heights will slowly rise today as the large developing ridge to our west pushes the New England trough out over the Atlantic.
High pressure moving across the Great Lakes and will bring an additional push of drier air as well as keep our low-level flow out of the north. This will mean plenty of sunshine and comfortable conditions.


- Dry weather, noticeably warmer Sunday.
- Heat really begins to take hold on Monday.

Axis of upper level ridge will settle in over the region on Sunday as it amplifies. Flow will veer to the south and strong warm air advection will ensue. Plenty of sunshine under strong subsidence and temperatures in the mid 80s to lower 90s are expected.

Ridge remains centered over the region Monday and continues to amplify. Strong warm air advection will push temperatures well into the 90s on Monday. Records at some, if not all, climate sites will be in reach.


- High confidence in a dangerous heat wave setting up next week with major heat impacts possible.

Guidance has been consistent that a potentially-historic ridge will continue to strengthen across much of the central and eastern CONUS into the middle to later part of next week. WPC ensemble clusters are highly consistent through at least Wednesday and possibly Thursday, indicating high confidence in the temperature forecast. Near-record breaking heat will hold through most of the week.

Significant heat is looking increasingly likely with this anomalously strong ridge with major to extreme heat risk likely. NBM probabilities for high temperatures reaching 95+ degrees remain high, and are now widespread 60-90% across the area. These higher probabilities are especially prevalent in lower elevation areas (e.g., river valleys) and urban centers, which tend to be warmer than surrounding areas. In addition, dewpoints are currently forecast to remain in the mid 60s to lower 70s, which would result in high enough humidity levels to support heat indices climbing to, and potentially exceeding, 100 degrees. If dew points do hold toward the lower end of that spectrum, we may be able to make a run at 100 degree air temperatures Tuesday and beyond (last time at PIT was 7/15/95); NBM probabilities for that threshold have leveled off somewhat and are are now generally 50 to 60% through Thursday with a focus on the low lying and urban areas. Only acting to exacerbate the prolonged heat effects will be a 60-80% chance of low temperatures greater than 70 degrees through the end of the week. Additionally, with the ridge mainly centered over the region, very strong subsidence should keep skies mainly cloud free. Also, the position of the ridge would suppress any threat of convection. Heat impacts will need to be closely monitored and headlines will need to be considered.

Impacts include heightened heat-related illnesses and potential power grid issues with increased demand. It is strongly encouraged to know where cooling shelters are located and stay hydrated. There may be little relief at night. Gather food, water and medication now. Make a list of friends and family to check on and help them prepare. Strongly consider rescheduling outdoor events. Prolonged exposure to excessive heat was the primary cause of weather-related fatalities in 2023.

Localized river valley fog is most likely south and east of Pittsburgh (i.e. MGW/LBE) overnight where rain has reinforced boundary layer moisture. Elsewhere, dry advection will keep fog probability low.

After morning fog mixes out, VFR and dry weather with light northerly wind is likely for the remainder of the TAF period with building high pressure.

High probability for VFR and dry weather through the middle of next week as strong ridging develops aloft. The only variance may come with isolated afternoon convection starting Monday, but upper ridging should suppress coverage and potential initiation.


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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KAGC ALLEGHENY COUNTY,PA 4 sm54 minN 0410 smClear57°F52°F82%30.10
KPIT PITTSBURGH INTL,PA 18 sm56 minNNW 0710 smClear57°F50°F77%30.11
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Pittsburgh, PA,

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