Tuesday, September28, 2021
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Marine Weather and Tides
West Alexander, PA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:15AMSunset 7:11PM Tuesday September 28, 2021 1:49 PM EDT (17:49 UTC) Moonrise 10:44PMMoonset 1:38PM Illumination 52% Phase: Third Quarter Moon; Moon at 22 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near West Alexander, PA
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location: 40.1, -80.47     debug


Area Discussion for - Pittsburgh, PA
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FXUS61 KPBZ 281656 AFDPBZ

Area Forecast Discussion National Weather Service Pittsburgh PA 1256 PM EDT Tue Sep 28 2021

SYNOPSIS. A few scattered showers remain possible this afternoon as a cold front crosses. Building high pressure behind the exiting front should then return dry and seasonable conditions for the remainder of the week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. The last of the showers and storms has finally pulled to the southeast of the CWA, after several instances of hail and heavy rainfall were noted. Meanwhile, the cold front continues to make slow southward progress, and is currently along a rough IDI-HLG line. Low clouds which overspread the region behind the boundary are starting to break a bit to the north, thanks to daytime mixing and the intrusion of drier low-level air.

Expect these slow clearing process to continue from north to south through the afternoon as the front and its associated shortwave work through the region. Any additional showers ahead of the boundary should remain scattered in nature at best, and be confined mainly to the ridges. Cannot rule out another thunderstorm or two, but with instability weakening, expect these to remain low in number. Precipitation chances will end by sunset as the front exits. Have reduced afternoon temperatures by a few degrees given the cloud cover slowing the heating process.

A mostly clear sky will develop tonight with continued drying and the encroachment of surface high pressure. Some patchy fog appears possible once the wind dies off, especially in areas that received heavier rain. Seasonable low temperatures are expected thanks to modest cold advection.

SHORT TERM /6 PM THIS EVENING THROUGH THURSDAY NIGHT/. Favorable late September weather looks likely for this period. Our area will be in a northwest flow regime aloft, placed between slow- moving upper level low pressure over the northeast CONUS/Canadian Maritimes, and a ridge building from the Gulf Coast through the Mississippi Valley and into Canada. Surface high pressure will continue to build in from the north with time as well. The result will be a period of dry weather and seasonable temperatures through the end of the work week.

LONG TERM /FRIDAY THROUGH MONDAY/. While the upper low will continue to meander over far eastern Canada into the weekend, the ridge to our west will slowly break down and flatten. Dry weather will continue through at least Saturday in this regime, with temperatures perhaps nudging upward a few degrees on Saturday as the ridge approaches.

Thereafter, troughing to our west will make very slow progress eastward into early next week. Rain chances may return as early as Saturday night as a warm front crosses. Daily rain chances would then return for Sunday through Tuesday as that trough advances, with coverage expected to peak during favorable diurnal hours. Overall, temperatures will remain seasonable.

AVIATION /18Z TUESDAY THROUGH SUNDAY/. MVFR Stratocu is expected erode/lift north to south behind the southward dropping cold front as subsidence increases and drier air mixes into the lower lvls. An isolated shra/tstm can't be ruled out along the boundary as it passes over the higher terrain SE of KPIT, otherwise dry weather will prevail.

VFR conditions will define the rest of the TAF period with building sfc high pressure, though patchy river valley fog may drop nearby terminal vsbys around dawn Wednesday.

Outlook. VFR conditions are likely through the rest of the week under the influence of high pressure.

PBZ WATCHES/WARNINGS/ADVISORIES. PA . None. OH . None. WV . None.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wheeling, Wheeling Ohio County Airport, WV11 mi56 minNNW 79.00 miOvercast68°F63°F84%1014.3 hPa

Link to 5 minute data for KHLG

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1 day agoSW12
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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