733 FXUS61 KRLX 280545 AFDRLXAREA FORECAST DISCUSSION National Weather Service Charleston WV 145 AM EDT Sun Sep 28 2025
.SYNOPSIS... Strong high pressure provides dry weather through next week. Tropical system becomes a hurricane off the Florida coast by early Monday, and then turns northeast towards the Atlantic.
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.NEAR TERM /THROUGH TONIGHT/... As of 145 AM Sunday...
Dense fog have developed along the eastern mountains, adjacent foothills and northern West Virginia early tonight. Expect dense fog to spread west to affect most of WV river valleys through Sunday morning. This fog will gradually lift into low stratus before dissipating by mid or late morning.
Water vapor satellite imagery shows a deep upper level trough over southeast CONUS, gradually advancing east. These images show very dry air across the southeast US, and over the OH Valley. In addition, a surface high pressure, over the Great Lakes, builds across the local region today. With the departure of the shortwave that affected the area yesterday, expect dry weather conditions through tonight. The exception will be an isolated shower along the eastern mountains. Forecast surface analysis depicts a dry cold front, stalling just north of the area this evening, before lifting as a warm front north into Monday morning. This front should NOT interrupt the dry conditions expected.
Plenty of sunshine will allow to above normal afternoon temperatures ranging from the mid 80s across the lowlands, into the upper 60s northeast mountains. Lower humidity and radiational cooling effects will allow lows to dip into the mid to lower 50s tonight. These condition under calm flow will allow for dense fog to develop during the overnight hours tonight.
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.SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/... As of 145 AM Sunday...
Expect dry and unseasonably warm weather for the next couple of days as a surface high pressure remains in control. On Monday, temperatures will again be warmer than normal, with highs in the mid 80s across the lowlands ranging into the mid 60s northeast mountains. Monday night looks warm, lacking of radiational cooling due to cloud cover associated with outer bands from Tropical Depression Nine (TD #9). Nighttime temperatures will depend on cloud cover associated with TD #9 which is uncertain. Therefore, confidence on lows for Monday and Tuesday nights may vary from forecast.
The latest projections show TD #9 is expected to strengthen into Tropical Storm Imelda, as it moves north over the Bahamas. Rapid intensification is anticipated, and the system is forecast to become a hurricane by Monday morning while offshore of the Florida coast. By Tuesday, the latest track shows Hurricane Imelda turning east- northeast into the Atlantic Ocean, moving away from the U.S. coast for the remainder of the week. If this new forecast is correct, the local region can expect reduced cloud cover and only a minimal chance of precipitation, ensuring that dry conditions continue.
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.LONG TERM /WEDNESDAY THROUGH SATURDAY/... As of 145 AM Sunday...
Following the departure of Imelda into the Atlantic, a strong but nearly stationary surface high pressure across the NE US, extending west and south into the OH valley, will provide dry weather conditions through the end of the week.
Temperatures throughout the period will generally run near or slightly above normal, with some river valley fog possible each night mid to late in the work week.
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.AVIATION /06Z SUNDAY THROUGH THURSDAY/... As of 124 AM Sunday...
IFR/LIFR conditions under dense fog have developed along the eastern mountains, SW VA, and northern WV at the moment of writing. This is evident in satellite imagery and METARs, showing fog spreading west along the river valleys. Currently, PKB, CKB, EKN and BKW are experiencing IFR/LIFR conditions under dense fog and low stratus. Expect dense fog at CRW shortly after midnight. Expect these conditions to prevail through at least 14-15Z Sunday morning.
Widespread VFR conditions under light northeast flow will prevail once the fog and low status lift or dissipate. IFR/LIFR conditions under dense fog will likely emerge again Sunday night into Monday morning.
Calm winds overnight, will become light and variable with a northeast component on Sunday.
FORECAST CONFIDENCE AND ALTERNATE SCENARIOS THROUGH 06Z MONDAY...
FORECAST CONFIDENCE: Medium.
ALTERNATE SCENARIOS: Timing and intensity of restrictions from fog/stratus tonight into Sunday morning may vary from the 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.
DATE SUN 09/28/25 UTC 1HRLY 03 04 05 06 07 08 09 10 11 12 13 14 EDT 1HRLY 23 00 01 02 03 04 05 06 07 08 09 10 CRW CONSISTENCY H H M M M M M M M H L H HTS CONSISTENCY H H H H M L M M M L H H BKW CONSISTENCY H H L L L L M M M L M H EKN CONSISTENCY L L M M M M M M M M M M PKB CONSISTENCY H H M M H H H H H H M L CKB CONSISTENCY M M M M M M M H H H H L
AFTER 06Z MONDAY... IFR is possible at night with low stratus and/or fog through Tuesday morning.
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.RLX WATCHES/WARNINGS/ADVISORIES... WV...None. OH...None. KY...None. VA...None.
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SYNOPSIS...ARJ NEAR TERM...ARJ SHORT TERM...ARJ LONG TERM...ARJ AVIATION...ARJ
NWS RLX Office Area Forecast Discussion