Area Forecast Discussion
Issued by NWS Albany, NY

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000 FXUS61 KALY 171745 AFDALY Area Forecast Discussion National Weather Service Albany NY 145 PM EDT Tue Oct 17 2017 .SYNOPSIS... High pressure will move off the eastern seaboard tonight through the remainder of the week, allowing dry conditions to persist, with temperatures trending back to above seasonal levels. && .NEAR TERM /THROUGH WEDNESDAY/...
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Mainly clear skies are expected during the long term period with temperatures moderating as high pressure drifts to our south and east. A warm front may result in a little more in the way of clouds across the western Adirondacks. There will be some late night fog and temperatures should be about 10 degrees or so warmer than last night. Expect lows tonight to be in the upper 30s to lower 40s with highs on Wednesday in the upper 50s to around 70. Winds will be light and variable overnight into Wednesday.
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&& .SHORT TERM /WEDNESDAY NIGHT THROUGH THURSDAY NIGHT/... Wednesday night-Thursday, fair conditions with a warming trend. Some patchy fog could form late Wed nt-early Thu. Otherwise, expect lows mainly in the upper 30s to mid 40s, with highs on Thursday, with a deep southwest flow developing ahead of a weak cold front, temps have the potential to reach the lower 70s or higher in valley areas, assuming morning low clouds/fog do not persist. Expect mainly 60s across higher elevations. Thursday night, perhaps some patchy clouds as a weak front moves across. Otherwise, remaining fairly mild, with lows in the 40s for most areas, with perhaps some 30s across higher elevations in the Adirondacks. && .LONG TERM /FRIDAY THROUGH MONDAY/... High pressure will build into our region behind the cold front that tracked through Thursday and Thursday night. Dry weather and a slow warm up is expected as the high pressure eventually builds east Saturday through Monday. A developing strong upper system in southern Canada and the western Great Lakes organizes later Sunday and into Monday, strengthening warm advection, increasing cloud cover and bringing the chance for showers. Highs Friday in the upper 60s to lower 70s except upper 50s to lower 60s southern Adirondacks. Highs Saturday through Monday from around 70 to the mid 70s but mid to upper 60s higher terrain. && .AVIATION /18Z TUESDAY THROUGH SUNDAY/... Sky will be mostly clear through the period ending 18Z Wednesday as high pressure controls our weather. There may be some late night fog at the TAF sites so have placed 2SM BR in the TAFs late tonight. Winds will become south to southwest late this afternoon and evening. Winds trend toward calm this evening and remain light to calm through tonight into Wednesday. Outlook... Wednesday Night: No Operational Impact. NO SIG WX. Thursday: No Operational Impact. NO SIG WX. Thursday Night: No Operational Impact. NO SIG WX. Friday: No Operational Impact. NO SIG WX. Friday Night: No Operational Impact. NO SIG WX. Saturday: No Operational Impact. NO SIG WX. Saturday Night: No Operational Impact. NO SIG WX. Sunday: No Operational Impact. NO SIG WX. && .FIRE WEATHER... High pressure will move across the region today with fair but chilly conditions. The high will move off the eastern seaboard tonight through the remainder of the week, allowing dry conditions to persist, with temperatures trending back to above seasonal levels. RH values will bottom out in the 30 to 50 percent range this afternoon, lowest across portions of the eastern Catskills, mid Hudson Valley and Litchfield CO CT. RH values should recover to 90-100 percent tonight, with dew/frost formation likely. A bit more moist for Wednesday afternoon with RH values falling into the 45 to 60 percent range. Light/variable winds this morning will trend into the west southwest at 5-15 mph this afternoon and evening, then decrease to less than 5 mph later tonight. On Wednesday, winds will be from the southwest to west at 5-10 mph. && .HYDROLOGY... No precipitation is expected through at least the end of the week thanks to persistent high pressure, with flows remaining at normal to below normal seasonal levels. For details on specific area rivers and lakes, including observed and forecast river stages and lake elevations, please visit the Advanced Hydrologic Prediction Service /AHPS/ graphs on our website. && .ALY WATCHES/WARNINGS/ADVISORIES... CT...None. NY...None. MA...None. VT...None. && $$ SYNOPSIS...KL/Thompson NEAR TERM...11 SHORT TERM...KL LONG TERM...NAS AVIATION...11/NAS FIRE WEATHER...KL/Thompson HYDROLOGY...KL/Thompson

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