000
FXUS62 KGSP 181029
AFDGSP
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
629 AM EDT SUN OCT 18 2026
WHAT HAS CHANGED
NO MAJOR CHANGES TO THE CURRENT FORECAST.
UPDATED THE AVIATION DISCUSSION FOR THE UPCOMING 12Z TAF
ISSUANCE.
KEY MESSAGES
1. TEMPERATURES REMAIN MUCH COOLER ACROSS THE AREA THROUGH THE
WEEKEND, BEFORE WARMING TO NORMAL BY MIDWEEK.
DISCUSSION
KEY MESSAGE 1: TEMPERATURES REMAIN MUCH COOLER ACROSS THE AREA
THROUGH THE WEEKEND, BEFORE WARMING TO NORMAL BY MIDWEEK.
BEHIND A STRONG COLD FRONT, THE SEASON'S FIRST TASTE OF FALL LINGERS
THROUGH THE WEEKEND, WITH FREEZING OVERNIGHT TEMPS THROUGH THIS
MORNING. A FREEZE WARNING AND FROST ADVISORY ARE IN EFFECT UNTIL
9 AM FOR A MAJORITY OF THE NC MOUNTAINS AND A PORTION OF NORTHEAST
GEORGIA.
DRY COLD AIR LINGERS INTO TONIGHT, BUT CONFIDENCE IS LOWER ON
WIDESPREAD FREEZING TEMPERATURES FOR THE MOUNTAINS. DEPENDING ON
WHICH COUNTIES REACH FREEZING BY THIS MORNING WILL DETERMINE ANY
REMAINING COUNTIES THAT MAY NEED A FREEZE WARNING FOR TONIGHT. ZONES
REACHING FREEZING THIS MORNING WILL BE TURNED OFF FOR THE GROWING
SEASON AND NO OTHER FREEZE WARNINGS WOULD BE ISSUED. AS THE AIRMASS
MODIFIES, TEMPS START TO WARM TOWARD NORMAL BY TUESDAY, WITH
OVERNIGHT LOWS REMAINING COOL THROUGH FRIDAY.
GUSTY WINDS START TO DIMINISH TONIGHT AND SHOULD REMAIN LIGHTER
THROUGH THE WEEK. SURFACE HIGH PRESSURE CHURNS OVER THE EASTERN
CONUS AND IS REINFORCED WITH MORE HIGH PRESSURE THROUGHOUT THE WEEK,
KEEPING RAIN CHANCES NEAR ZERO FOR THE NEXT 7 DAYS.
AVIATION /12Z SUNDAY THROUGH THURSDAY/
AT KCLT AND ELSEWHERE: VFR CONDITIONS EXPECTED THRU THE PERIOD,
EXCEPT FOR PATCHY MOUNTAIN VALLEY FOG. LIGHT NE WIND EXPECTED
TO START OUT THE TAFS, THEN GUSTS SHOULD START IN THE 13-15Z
TIME FRAME, THOUGH NOT AS STRONG AS YESTERDAY. GUIDANCE IS IN
DISAGREEMENT ON HOW QUICKLY WINDS WILL SUBSIDE THIS AFTN INTO EARLY
EVENING, BUT EXPECT GUSTS TO DIMINISH BY 00Z AT ALL SITES. LIGHT NE
WINDS AGAIN TONIGHT. VERY DRY AIR FILTERING IN TONIGHT MAY RESULT
IN LITTLE TO NO MOUNTAIN VALLEY FOG.
OUTLOOK: DRY, VFR CONDITIONS EXPECTED FOR MOST OF THE WEEK. MOUNTAIN
VALLEY FOG AND LOW STRATUS WILL BE POSSIBLE EACH MORNING.
GSP WATCHES/WARNINGS/ADVISORIES
GA...FROST ADVISORY UNTIL 9 AM EDT THIS MORNING FOR GAZ010-017.
NC...FROST ADVISORY UNTIL 9 AM EDT THIS MORNING FOR NCZ035-064-065-
501>507-509.
FREEZE WARNING UNTIL 9 AM EDT THIS MORNING FOR NCZ033-048>053-
058-059-062-063.
SC...FROST ADVISORY UNTIL 9 AM EDT THIS MORNING FOR SCZ101>103.
ARK/CP
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