Monday, January25, 2021
Privacy Policy
L-36.com

Marine Weather and Tides
West Homestead, PA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:32AMSunset 5:30PM Monday January 25, 2021 6:55 PM EST (23:55 UTC) Moonrise 2:29PMMoonset 5:08AM Illumination 94% Phase: Waxing Gibbous; Moon at 13 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
    EDIT      (on/off)   Help


7 Day Forecast for Marine Location Near West Homestead , PA
   Hourly   EDIT   Help
location: 40.4, -79.91     debug


Area Discussion for - Pittsburgh, PA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
FXUS61 KPBZ 252331 AFDPBZ

Area Forecast Discussion National Weather Service Pittsburgh PA 631 PM EST Mon Jan 25 2021

SYNOPSIS. A wintry mix is expected through Tuesday with crossing low pressure, with impactful ice accumulations expected across northern portions of the forecast area and in the eastern ridges.

NEAR TERM /UNTIL 6 AM TUESDAY MORNING/. Made a few minor adjustments to the 4pm forecast update based on observations and near term model output. Continuing to monitor for any areas that may need to be included in the Winter Weather Advisory, though at this time it appears the Ohio counties are rising above freezing as the precipitation begins.

Previous . Radar mosaic depicts areas of light precipitation returns across southern portions of the forecast area as moisture increases ahead of a digging trough across the central Plains. Recent RAP analysis at 700mb shows saturated mid-levels still farther south toward central WV, and forecast soundings depict dry mid-levels directly over the region. Nonetheless, persistent moisture advection and increasing vertical motion supported by frontogenesis and coupled jet dynamics should yield categorical PoPs by late afternoon/evening. With sfc temperature still below freezing region- wide, effects of warm advection will support a wintry mix event as the boundary layer gradually warms. This means an onset of light, wintry mix in the form of snow / sleet / freezing rain from south to north as precipitation advances northward. Warm advection should eventually change precipitation to rain across southern portions of the forecast area, but lingering cold air and accumulating precipitation will be problematic across northern counties. A Winter Weather Advisory remains in effect for these northern counties, where ice accumulations could range between 0.05 to 0.15 inches along with less than an inch of snow / sleet. More significant impacts are expected across the eastern ridges, where a Winter Storm Warning remains in effect to address forecast ice accumulations between 0.25 to 0.50 inches along with a couple inches of snow / sleet.

There remains uncertainty for counties immediately south of the current Advisory area, as slower to rise temperature may support a period of light ice accumulation before a changeover occurs. These counties were mentioned in the latest HWO, and a close watch of sfc observations / forecast trends may support the need to extend the Advisory southward.

SHORT TERM /6 AM TUESDAY MORNING THROUGH WEDNESDAY NIGHT/. Additional light, scattered precipitation in the form of rain / snow showers is expected by Tuesday as the associated mid-level low treks across Lake Erie, eventually ending as all snow showers on the backside of the exiting low in cold, northerly flow.

Dry conditions are expected Wednesday with shortwave ridging before the next southern stream system disturbance returns snow chances mainly south of Pittsburgh during the night as it quickly passes south of the forecast area. Any chance of advisory level snow should be confined to the WV ridges, though recent southern trends in ensemble guidance have minimized this potential.

LONG TERM /THURSDAY THROUGH MONDAY/. Outside of the possibility of scattered light snow north of Pittsburgh and in the ridges under cool, northwesterly flow over the lakes, mostly dry weather is expected Thursday through Saturday followed by low pressure an unsettled conditions Sunday.

AVIATION /00Z TUESDAY THROUGH SATURDAY/. Current (as of 2330z) VFR conditions will prevail for a few hours longer before a low-level MVFR/IFR deck moves back over area terminals. The exception being MGW, which will likely remain in MVFR territory through the night. Another wave of mixed precip is expected to move across the PIT area terminals in the 03-09z period. SN/PL is possible at onset, with RA or DZ then likely thereafter with FZRA most likely at FKL and DUJ where the surface remains near freezing. Intermittent FZRA will continue until a couple hours after daybreak Tuesday.

Precipitation coverage will taper slowly after 12Z, with the remaining areas of freezing rain transitioning to rain by the end of the TAF period.

Light east wind will slowly shift towards the southeast later tonight and Tuesday.

Outlook. Restrictions are likely to prevail into Tues evening as a cold front advances into eastern Ohio. VFR Wednesday. A system Wednesday night and Thursday could bring restrictions in snow to areas south of Pittsburgh.

PBZ WATCHES/WARNINGS/ADVISORIES. PA . Winter Weather Advisory until 10 AM EST Tuesday for PAZ007>009- 013>016-020-022-023. Winter Storm Warning until 10 AM EST Tuesday for PAZ074-076. OH . Winter Weather Advisory until 10 AM EST Tuesday for OHZ040-041. WV . Winter Storm Warning until 10 AM EST Tuesday for WVZ512-514.




Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pittsburgh - Allegheny County Airport, PA4 mi62 minVar 310.00 miOvercast33°F29°F85%1013.8 hPa
Pittsburgh, Pittsburgh International Airport, PA18 mi64 minENE 610.00 miOvercast32°F28°F85%1014.4 hPa

Link to 5 minute data for KAGC

Wind History from AGC (wind in knots)
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
Last 24hrE5E3SE3CalmNE3CalmN3N3CalmCalmCalmNW3NW3Calm4CalmCalmCalmE4Calm3E353
1 day agoCalmCalmCalmCalmN4N4N3NE3CalmSE3S3S3S4SE3SE44SE6E5Calm5E4NE4E4E3
2 days ago4
G18
NW9
G17
NW7NW5
G19
NW7
G19
W8
G16
W5
G15
NW8
G16
NW10
G17
NW9
G20
N8
G16
NW9
G27
NW6
G14
N14
G21
NW7NW9
G17
NW6W7W8W7NW7N7
G15
NW7N3

Tide / Current Tables for
   EDIT   Weekend mode (on/off)   (on/off)   Help
Tide / Current Tables for
   EDIT      (on/off)   Help
Weather Map
       (on/off)   Help Weather Map
wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station




Cookie Policy:
This website uses cookies to save your settings. No personal information is saved. I do not collect statistics on your visit. You can disable cookies in your browser if you like but it is not recommended for this site. I do not sell cookies. Go to a bakery for that. In fact I do not sell anything. To disable cookies from L-36.com, please refer to the Help button in your browser.
Privacy Policy:
I do not sell or share any user data or anything else for that matter. The only personal information I save is in the site log which has a line for each page view which includes the IP address your browser sends in the header as well as which page you requested. I use this to block hackers and other bad actors. I do not use this raw data to create profiles on users. I periodically delete the log files. Google supplies the ads on this site. Because I do not track who you are, I cannot customize how these ads are served. They may be personalized to improve the ad experience. If you do not want personalized ads, please adjust the settings on the Google site HERE. NOTE: The best I can determine, this site is not subject to CCPA but I am doing my best to comply anyway.
Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.