Friday, September17, 2021
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Marine Weather and Tides
Gratiot, OH

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 7:11AMSunset 7:36PM Friday September 17, 2021 5:48 PM EDT (21:48 UTC) Moonrise 5:20PMMoonset 2:12AM Illumination 86% Phase: Waxing Gibbous; Moon at 11 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 Gratiot, OH
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location: 39.99, -82.23     debug


Area Discussion for - Pittsburgh, PA
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FXUS61 KPBZ 171708 AFDPBZ

Area Forecast Discussion National Weather Service Pittsburgh PA 108 PM EDT Fri Sep 17 2021

SYNOPSIS. Warm and mostly dry weather is expected through the early part of next week.

NEAR TERM /THROUGH TONIGHT/. For the mid afternoon update, PoPs have increased slightly across central portions of the forecast area. This is in response to dewpoint values in the upper 60s, combined in subtle indications of sfc convergence per recent sfc wind obs. However, prior reasoning in the expectation for only isolated convection remains the same and should generally be shallow in nature.

Previous . Increasing mid-level ridging in response to a northward trekking tropical wave situated off of the NC coastline should result in another mostly dry and warm day across the forecast area. However with sfc sely flow, dewpoint values in the in the low to mid 60s are already realized across much of the region, expected to top out in the upper 60s provided plenty of access to Atlantic tropical moisture. With a quasi-stationary frontal boundary still draped across the Alleghenies, isolated showers and some storms may develop along the far sern ridge line again this afternoon as that boundary is shunted northward in response increased warm advection. Meanwhile, an approaching Great Lakes shortwave is expected to near the I-80 corridor by late afternoon and attempt to deepen convection through the remainder of the evening. General thunderstorm potential should be isolated / limited given the aforementioned mid-level ridging, acting to slow updraft strength and intensity.

Residual shower activity associated with that crossing shortwave should continue ewd across the remainder of the forecast area tonight through early Saturday, with above average temperature persisting. With llvl moisture remaining in place, patchy fog may develop through dawn Saturday.

SHORT TERM /SATURDAY THROUGH SUNDAY/. In the wake of the initial Great Lakes shortwave, further flattening of ridging overhead will ensue Saturday as yet another trough crosses the Great Lakes. Ascent associated with this trough may support the development of a few showers or isolated storm Saturday afternoon, but overall moisture supply should be largely limited with better forcing for ascent remaining north of the forecast area.

Sfc high pressure will build in the wake of the trough, with dry, warm, and rather pleasant conditions on Sunday.

LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/. A deep trough becomes carved out over the Rockies Sunday night through Monday, with downstream ridging establishing over the eastern CONUS in response. The result should be a summer-like pattern through mid- week, with warm, moist advection ensuing in sfc sly flow.

Precipitation chances should increase toward mid-week as the ridge overhead begins to break down in response to the approach of the aforementioned, deep trough as it treks across the central CONUS. Long term guidance suggests this trough should eventually pull a cold front across the region Tuesday and Wednesday, with associated, widespread categorical PoPs evident in the extended forecast.

AVIATION /17Z FRIDAY THROUGH TUESDAY/. Generally VFR sct cu field is expected through this evening with ridging aloft. Diurnal heating may allow for an isolated low-topped aftn/eve shower, but warm air aloft and upper ridging will keep limit development of lightning and keep chances low enough to preclude TAF mention.

Weak moist advection ahead of an incoming boundary overnight may lead to localized IFR stratus along with river fog Saturday morning. However, lingering mid-level clouds from a shortwave passage to the north may factor against development, making this a lower confidence forecast.

Sunday should again be dry, save for an very iso shower along the passing weak cold front, with mostly VFR conditions and diurnal sct/bkn cu.

Outlook. VFR conditions are expected through the weekend under the influence of high pressure, though occurrences of morning fog/stratus remain possible for most terminals.

Restrictions and precipitation chances will return early next week with the approach of a low pressure system.

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




Weather Reporting Stations
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On 03/09/2021 the NDBC primary processing servers were shut off due to a facilities issue. Station pages on the NDBC website are not updating and there is no ETR at this time. We will update this banner as we learn more.
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OWXO1 - Old Woman Creek, OH 97 mi64 min NE 4.1 1019 hPa
HHLO1 - Huron Light, OH 99 mi49 min NE 8 G 8.9 76°F 1017.9 hPa (-1.7)

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newark, Newark Heath Airport, OH13 mi55 minSSE 910.00 miMostly Cloudy85°F64°F50%1018.6 hPa
Zanesville, Zanesville Municipal Airport, OH18 mi56 minS 410.00 miPartly Cloudy85°F67°F55%1018.9 hPa

Link to 5 minute data for KVTA

Wind History from VTA (wind in knots)
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Last 24hrE6NE4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS4CalmCalmCalm4--S9
1 day agoN5CalmNE3E4NE3CalmCalmCalmCalm--CalmCalmCalmCalmCalm3E7E43NE4--E5NE7Calm
2 days agoSW11S7S7S6S7SW5SW3S5SW6W7SW4W3SW6SW3CalmSW3SW3S5W4W4W3CalmNW4N5

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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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