Area Forecast Discussion
Issued by NWS Charleston, WV

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000 FXUS61 KRLX 231926 AFDRLX Area Forecast Discussion National Weather Service Charleston WV 326 PM EDT SAT JUL 23 2016 .SYNOPSIS... Hot and humid weather continues through the weekend. Weak disturbance drops south today. Weak front drops through Monday night lingering into Tuesday. && .NEAR TERM /THROUGH SUNDAY/... Weak ripple aloft may kick off an isolated thundershower this afternoon, but expect this to me more miss than hit. Latest guidance keeps most of this activity just north of our CWA. If they do develop, they should come to an end late evening, with just some clouds lingering overnight. Afternoon temperatures expected to top 90 degrees across much of the lowlands today. Combined with dewpoints in the low 70s, heat indices will climb above 100 degrees, so no changes planned to ongoing heat advisory. && .SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY NIGHT/...
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A weak cold front along with an elongating s/w trof will approach later on Monday with convection chances increasing across the area. As this features approach...the upper ridge will flatten as the overall pattern turns more zonal with generally weak flow through the atmosphere. Torrential downpours with the potential for a bit of training will have to be monitored for localized flooding concerns but it would take over 2 inches in an hour to cause issues. With the front meandering thru at least the S zones Tuesday...have kept some higher pops for the afternoon and evening hours on Tuesday. The front finally gets a nudge to the S by Wednesday with mid level drying spreading into the area keeping afternoon shra/tsra chances confined over S WV/SW VA in the better moisture.
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&& .LONG TERM /WEDNESDAY THROUGH SATURDAY/...
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The front finally gets a nudge to the S by Wednesday with mid level drying spreading into the area keeping afternoon shra/tsra chances confined over S WV/SW VA in the better moisture. This front dissolves on Thursday as the next s/w trof and surface low approach with another uptick in shra/tsra coverage during the afternoon and lingering into Friday across the mountains. Temps will gradually ease back closer to normal levels midweek.
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&& .AVIATION /19Z SATURDAY THROUGH THURSDAY/... Cannot rule out an isolated thundershower this afternoon mainly north, but not enough coverage to include in TAFs. Have some dense river valley fog reforming tonight. CONFIDENCE AND ALTERNATE SCENARIOS... FORECAST CONFIDENCE AND ALTERNATE SCENARIOS THROUGH 18Z SUNDAY... FORECAST CONFIDENCE: Medium. ALTERNATE SCENARIOS: Could need an amendment for shower or thunderstorm this afternoon. Fog timing/intensity may vary from forecast. 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 18 19 20 21 22 23 00 01 02 03 04 05 EDT 1HRLY 14 15 16 17 18 19 20 21 22 23 00 01 CRW CONSISTENCY H H H H H H H H H H H H HTS CONSISTENCY H H H H H H H H H H H H BKW CONSISTENCY H H H H H H H H H H H H EKN CONSISTENCY H H H H H H H H H H H H PKB CONSISTENCY H H H H H H H H H H H H CKB CONSISTENCY H H H H H H H H H H H H AFTER 18Z SUNDAY... IFR possible in thunderstorms late Monday. && .RLX WATCHES/WARNINGS/ADVISORIES... WV...Heat Advisory until 8 PM EDT this evening for WVZ005>011- 013>020-024>029. OH...Heat Advisory until 8 PM EDT this evening for OHZ066-067-075- 076-083>087. KY...Heat Advisory until 8 PM EDT this evening for KYZ101>103-105. VA...None. && $$ SYNOPSIS...ARJ/JW/30 NEAR TERM...JW SHORT TERM...30 LONG TERM...30 AVIATION...JW

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