Area Forecast Discussion
Issued by NWS Charleston, WV

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684 FXUS61 KRLX 171405 AFDRLX Area Forecast Discussion National Weather Service Charleston WV 1003 AM EDT Sun Sep 17 2017 .SYNOPSIS... Weak high pressure through the weekend and most of next week, providing warm afternoons and cool nights. && .NEAR TERM /UNTIL 8 PM THIS EVENING/... As of 1000 AM Sunday... Just some minor tweaks to the package this morning to fine tune some details. As of 630 AM Sunday... No changes necessary. As of 300 AM Sunday... Areas of fog developed overnight. Expect fog to burn off around 13Z. High pressure provides a relaxed pressure gradient, plenty of sunshine and calm flow through Monday. Abundant low level moisture combined with the diurnal heating could allow a mountain shower or thunderstorm this afternoon. && .SHORT TERM /8 PM THIS EVENING THROUGH TUESDAY NIGHT/... As of 230 AM Sunday... Weak high pressure at the surface will provide fairly seasonable weather for mid September. Afternoon highs will be a few degrees above normal. Diurnally driven showers, and maybe a rumble of thunder, will be possible across the mountainous counties on Monday. A weak upper level shortwave trough will bring the potential for some thundershowers in the middle Ohio River Valley on Tuesday. High temperatures will be about 4 degrees above normal && .LONG TERM /WEDNESDAY THROUGH SATURDAY/... As of 230 AM Sunday... Weak high pressure will linger through much of the week. Aloft, several weak impulses will be drifting through Wednesday and Thursday with the potential for some showers or storms. High temperatures will continue to run a few degrees above normal, with near to just above normal lows. && .AVIATION /14Z SUNDAY THROUGH THURSDAY/... As of 630 AM Sunday... Areas of LIFR dense fog will burn off by 13-14Z. Mostly clear skies, calm flow and abundant low level moisture will allow for a shower or thunderstorms along the northeast mountains this afternoon. Otherwise, high pressure and a relaxed flow will prevail through the period. Another dense fog event will be possible tonight into Monday morning. FORECAST CONFIDENCE AND ALTERNATE SCENARIOS THROUGH 12Z MONDAY... FORECAST CONFIDENCE: High. ALTERNATE SCENARIOS: None. EXPERIMENTAL TABLE OF FLIGHT CATEGORY OBJECTIVELY SHOWS CONSISTENCY OF WFO FORECAST TO AVAILABLE MODEL INFORMATION: H = HIGH: TAF CONSISTENT WITH ALL MODELS OR ALL BUT ONE MODEL. M = MEDIUM: TAF HAS VARYING LEVEL OF CONSISTENCY WITH MODELS. L = LOW: TAF INCONSISTENT WITH ALL MODELS OR ALL BUT ONE MODEL. UTC 1HRLY 12 13 14 15 16 17 18 19 20 21 22 23 EDT 1HRLY 08 09 10 11 12 13 14 15 16 17 18 19 CRW CONSISTENCY L M L M M H H H H H H M HTS CONSISTENCY M M L L L L L H H H H M BKW CONSISTENCY H H H H H H H H H H H M EKN CONSISTENCY L L M H H H H H H H H M PKB CONSISTENCY L L L L L L H H H H H M CKB CONSISTENCY L L L H H H H H H H H M AFTER 12Z MONDAY... No widespread IFR conditions at this time. && .RLX WATCHES/WARNINGS/ADVISORIES... WV...None. OH...None. KY...None. VA...None. && $$ SYNOPSIS...ARJ/MZ NEAR TERM...ARJ/RPY SHORT TERM...MZ LONG TERM...MZ AVIATION...ARJ is the U.S. government's official web portal to all federal, state and local government web resources and services.