Friday, October15, 2021
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Marine Weather and Tides
Indiana, 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 7:25AMSunset 6:37PM Friday October 15, 2021 11:44 PM EDT (03:44 UTC) Moonrise 3:45PMMoonset 12:58AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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 Indiana , PA
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location: 40.62, -79.16     debug


Area Discussion for - Pittsburgh, PA
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FXUS61 KPBZ 152254 AAB AFDPBZ

Area Forecast Discussion . UPDATED National Weather Service Pittsburgh PA 654 PM EDT Fri Oct 15 2021

SYNOPSIS. Showers and thunderstorms will increase in coverage tonight as a cold front approaches and crosses the region. Scattered showers will hang around on Saturday. Temperatures will be much cooler on Saturday.

NEAR TERM /THROUGH SATURDAY/. A strong cold front will approach the region overnight, reaching the far western portions of the forecast area around or shortly after 06z. The threat for showers and a few storms will increase this evening and remain in place overnight until the front exits Saturday morning.

Assessing the threat for severe weather remains elusive. The front will provide the forcing needed to get the parcels rising, but its crossing at a time of day that is not optimal. The best upper level support will be behind the surface boundary. A low level jet will cross the region just ahead of the front, but very warm air aloft will remain here until FROPA, meaning the cap that was on the 18z sounding will likely remain as well. We will get a better idea on this with the 00Z sounding. Models are also indicating the atmosphere will stabilize overnight, again working against the development of severe cells. However, there will be ample wind shear, so if stronger cell can develop, the shear will work to sustain and enhance updrafts. The threat for strong to severe storms is still there, but they would likely be isolated.

The cold front will be near the eastern CWA border by 12Z Saturday. However, the the trough axis will slowly swing through the region on Saturday. Lobes of vorticity within the trough will support scattered rain showers for most of the day. Strong cold advection behind the front will bring a more typical autumn air mass, with temperatures steady or falling for a good portion of the day.

SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/. As the trough continues to swing across the region Saturday night and Sunday, scattered showers will remain possible, mainly north of Pittsburgh. These will be aided by cold northwest flow off of a still-warm Lake Erie, as well, with delta-T values between the lake and 850mb approaching 20C. These should taper off by Sunday night. Elsewhere, lingering cloud cover should gradually erode. Mostly clear conditions are expected in most areas by Sunday night as surface high pressure builds into the Central Appalachians. Fairly seasonable temperatures are forecast from Saturday night through Sunday night.

LONG TERM /MONDAY NIGHT THROUGH FRIDAY/. Dry and seasonable weather is forecast through the first half of next week as high pressure remains in control under NW flow aloft. A flattening ridge is expected to track east to the Lower Great Lakes/Upper Ohio Valley region by midweek, with warmer but continued dry weather. Shower chances return Thursday as a Plains trough quickly tracks east toward the region, with rain chances continuing into Friday.

AVIATION /00Z SATURDAY THROUGH WEDNESDAY/. Shower and storms chances will increase after 03Z as the front approaches eastern Ohio. Expected a significant drop in cigs and vis early tomorrow morning with scattered storms/showers and cold advection. Precip chances will diminish tomorrow after 15Z with incoming dry air. However, deep cold air advection will likely keep cigs in the MVFR/IFR range Saturday afternoon and into early evening.

Outlook. Chances are moderate that VFR will prevail for sites south/southwest of PIT. Moisture from Lake Erie and cold advection under NW flow will likely keep cigs in FKL/DUJ/BVI at low MVFR.

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
Indiana / Stewart Field, PA3 mi50 minN 010.00 miA Few Clouds66°F66°F100%1010.8 hPa

Link to 5 minute data for KIDI

Wind History from IDI (wind in knots)
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Last 24hr0W30SW3SW300000S5S60SW5SW5
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1 day ago0000000000SW5W5W745SW4SW5SW6SW400000
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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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