206
FXUS62 KCHS 131806
AFDCHS
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
106 PM EST THU NOV 13 2025
SYNOPSIS
DRY HIGH PRESSURE WILL REMAIN THE PRIMARY FEATURE ACROSS THE
AREA THROUGH THE WEEKEND. A DRY COLD FRONT COULD MOVE THROUGH
THE AREA EARLY NEXT WEEK.
NEAR TERM /THROUGH TONIGHT/
SURFACE HIGH PRESSURE WILL EXTEND ACROSS THE SOUTHEAST TONIGHT.
ALOFT, THE FORECAST AREA WILL BE UNDER NORTHWEST FLOW, IN BETWEEN A
TROUGH CENTERED OFF THE NORTHEAST COAST AND A RIDGE OVER THE
SOUTHERN PLAINS. A BAND OF THIN HIGHER LEVEL CLOUDS WILL PASS
THROUGH LATER THIS EVENING, THEN CLEAR SKIES ARE ANTICIPATED FOR THE
REMAINDER OF THE OVERNIGHT. THIS IN COMBINATION WITH LIGHT/CALM
WINDS WILL PROVIDE FAVORABLE RADIATIONAL COOLING CONDITIONS. LOW
TEMPERATURES ARE FORECAST TO FALL TO THE UPPER 30S TO LOW 40S
INLAND; MID TO UPPER 40S CLOSER TO THE COAST.
SHORT TERM /FRIDAY THROUGH SUNDAY/
FRIDAY AND SATURDAY, A VERY QUIET PATTERN FEATURE SFC HIGH PRESSURE
CENTERED OVER THE REGION WITH DRY NW MID-LEVEL FLOW. THIS PATTERN
SHOULD PROVIDE SEASONAL TEMPERATURES ACROSS THE FORECAST AREA ON
FRIDAY, HIGH TEMPERATURES AROUND 70. LOW TEMPERATURES FRIDAY NIGHT
AROUND 40 INLAND TO THE MID 40S ALONG THE COAST. THE CENTER OF HIGH
PRESSURE SLIDES TO THE SOUTH ON SATURDAY, RESULTING IN SW WINDS
ACROSS THE CWA. TEMPERATURES ARE FORECAST TO WARM INTO THE MID TO
UPPER 70S.
SUNDAY, A DRY COLD FRONT SHOULD SWEEP ACROSS THE SOUTHERN
APPALACHIANS DURING THE AFTERNOON. ONGOING RETURN FLOW SHOULD BRING
MILD THICKNESSES ACROSS THE REGION. THE COMBINATION OF WARM
THICKNESSES PARTLY SUNNY CONDITIONS SHOULD YIELD HIGH TEMPERATURES
IN THE MID TO UPPER 70S, 80 DEGREES POSSIBLE ACROSS SOME LOCATIONS
IN SE GA.
LONG TERM /SUNDAY NIGHT THROUGH WEDNESDAY/
A DRY COLD IS TIMED TO PUSH ACROSS THE REGION SUNDAY NIGHT. LONG
TERM GUIDANCE INDICATES THAT LOW PRESSURE WILL ORGANIZE OVER THE
GREAT PLAINS ON MONDAY, TRACKING RAPIDLY EAST OFF THE COAST OF THE
MID-ATLANTIC COAST BY EARLY WEDNESDAY. TEMPERATURES SHOULD GRADUALLY
WARM THROUGH THE EARLY TO MID WEEK, WARMING BACK TO THE MID TO UPPER
70S BY WEDNESDAY.
AVIATION /18Z THURSDAY THROUGH TUESDAY/
VFR CONDITIONS WILL PREVAIL AT KCHS/KJZI/KSAV TERMINALS THROUGH
18Z FRIDAY.
EXTENDED AVIATION OUTLOOK: VFR.
MARINE
THROUGH TONIGHT: NO MARINE CONCERNS ARE EXPECTED THROUGH TONIGHT.
HIGH PRESSURE CENTERED OVER THE REGION WILL RESULT IN LIGHT WINDS
THROUGH THIS EVENING, THEN BECOMING NORTH AROUND 10 KNOTS BY
DAYBREAK FRIDAY. SEAS WILL BE 1-2 FEET.
FRIDAY THROUGH TUESDAY: SFC HIGH PRESSURE WILL REMAIN CENTERED OVER
THE MARINE ZONES FRIDAY AND FRIDAY NIGHT. WITH LITTLE TO NO PRESSURE
GRADIENT, NORTHEAST WINDS SHOULD RANGE BETWEEN 5 TO 10 KTS. SEAS ARE
FORECAST TO RANGE BETWEEN 1 TO 2 FT. SATURDAY THROUGH SUNDAY, HIGH
PRESSURE WILL SHIFT TO THE SOUTH AS A COLD FRONT APPROACHES FROM THE
NORTH. SOUTHWEST WINDS WILL SURGE INTO THE 15-25 KNOT RANGE ACROSS
THE CHARLESTON COUNTY NEARSHORE, SEAS INCREASING TO 3 TO 5 FT. SMALL
CRAFT ADVISORIES MAY BE NEEDED DURING THE EARLY WEEK, ESPECIALLY FOR
THE CHARLESTON COUNTY NEARSHORE. CONDITIONS IMPROVE MONDAY INTO
TUESDAY AS WINDS WEAKEN.
CHS WATCHES/WARNINGS/ADVISORIES
GA...NONE.
SC...NONE.
MARINE...NONE.
NEAR TERM...ETM
SHORT TERM...NED
LONG TERM...NED
AVIATION...ETM/NED
MARINE...ETM/NED
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