Mather, PA Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Mather, PA

April 21, 2024 4:37 AM EDT (08:37 UTC) Change Location
Sunrise 6:31 AM   Sunset 8:05 PM
Moonrise 5:05 PM   Moonset 4:32 AM 
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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.

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7 Day Forecast for Marine Location Near Mather, PA
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Area Discussion for - Pittsburgh, PA
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Area Forecast Discussion National Weather Service Pittsburgh PA 253 AM EDT Sun Apr 21 2024

Below normal temperatures today will recover to near normal values heading into the work week. The next chance of precipitation will be Tuesday night into Wednesday.


- Below average temperature and dry weather continues today.

- No Hazardous weather.


No changes to the ongoing Freeze Warning or Frost Advisory look to be needed early this morning based on latest surface observations. The only consideration is whether or not to maintain the Freeze Warning for counties northwest of a line running roughly from Dubois to Columbus, where midlevel stratocumulus have been maintained by weak moisture advection between 850-700mb, limiting radiational cooling.

Winds will pick up again (but not as strong as observed Saturday) by late morning as the boundary layer extends up to 800-750mb.


- Below average temperature and dry weather is expected to continue through Monday.

- Frost/Freeze headlines likely needed again overnight.

Below average temperatures and dry conditions will continue into Monday with Frost/Freeze products likely needed again for tonight / Monday morning. NBM probs show between 60% and 80% north west of PGH for freezing temperatures and 75% to 100% areawide for temps at or below 36F...and with light winds and limited overnight cloud coverage many locations could see a heavy frost and/or freezing conditions. Temperatures will recover to near 60 during the day with building high pressure and abundant sunshine, but will still be several degrees below normal.


- The potential for Frost/Freeze headlines decreases through Wednesday under warm, moist advection.
- The next low pressure system and associated precipitation chances is likely for late Tuesday into Wednesday.
- Frost/Freeze potential returns Wednesday into Thursday with a passing trough over the Great Lakes.

A flux in low-lvl moisture and southwest flow under a ridge will decrease the potential of frost/freeze headlines through at least Wednesday.

Near to above average temperatures are anticipated Tuesday afternoon ahead of an approaching cold front and its associated trough. Probability of measured precipitation increases from west to east after 18Z Tuesday. The axis of heavier rainfall is expected to be north of Pittsburgh, associated with stronger forcing and perhaps lake enhancement on the backside of the front. For rainfall amounts through Wednesday, the latest run of the NBM suggest areas south of Pittsburgh could range from 0.15 inches to 0.40 inches; areas near I-80 could range from 0.25 to 0.60 inches. Along with rain, shallow instability (15J/kg to 50J/kg) may prompt some thunderstorms along the cold front.

With clearing clouds late Wednesday and cold advection, the potential for frost/freeze conditions across the region increases again early Thursday morning.

The late week period will be defined by the progression of the upper trough through the northeast CONUS and the rapidity of height rises in its wake. Dry weather will be favored given high confidence of surface high pressure, with the degree of temperature recovery in the post-cold front passage environment dictated by said height rises.

Weak moisture advection between 850-700mb ahead of an advancing trough axis will expand VFR stratocu ranging between 4-6kft across the region this morning. Diurnal heating will add additional cu to the patchy mid-level deck before dry advection and subsidence during the late afternoon erode area cloud cover.

Afternoon northwest wind gusts between 15 to 20kts are possible possible given deep mixing.

The approach and passage of a low pressure system late Tuesday into Wednesday will be the next period with restriction potential along with widespread rain. There is high confidence in high pressure supporting VFR conditions to end the work week.

PA...Frost Advisory until 8 AM EDT this morning for PAZ020-021-029- 031-073-075.
Freeze Warning until 8 AM EDT this morning for PAZ007>009- 013>016-022-074-076>078.
OH...Frost Advisory until 8 AM EDT this morning for OHZ039>041- 048>050-057>059-068-069.
WV...Frost Advisory until 8 AM EDT this morning for WVZ001>004-012- 021-509>513.

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMGW MORGANTOWN MUNIWALTER L BILL HART FLD,WV 18 sm44 mincalm10 smA Few Clouds39°F25°F56%30.08
KAFJ WASHINGTON COUNTY,PA 21 sm41 minno data10 smClear30°F28°F93%30.10
KVVS JOSEPH A HARDY CONNELLSVILLE,PA 23 sm22 mincalm10 smClear36°F25°F64%30.08
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Pittsburgh, PA,

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