Area Forecast Discussion
Issued by NWS Greer, SC

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316
FXUS62 KGSP 131027
AFDGSP

Area Forecast Discussion
National Weather Service Greenville-Spartanburg SC
627 AM EDT Tue Oct 13 2026

.WHAT HAS CHANGED...
Updated the aviation discussion for the 12Z TAF issuance.

&&

.KEY MESSAGES...
1. Dry and seasonally warm through Friday, then a strong cold
front brings much cooler temperatures over the weekend. The risk
of any significant weather is low.

&&

.DISCUSSION...
Key message 1: Dry and seasonally warm through Friday, then a strong
cold front brings much cooler temperatures over the weekend. The
risk of any significant weather is low.

Mid/upper anticyclone will gradually slip east from the northwest
Gulf Coast and become elongated across the Deep South and Southeast
through midweek. Height rises and deep insolation from mostly sunny
skies allow temperatures to climb around ten degrees above normal
each afternoon through Friday. Afternoon highs will be in the mid
to upper 80s across the Piedmont and foothills, while the higher
elevations remain in the 70s.

The aforementioned anticyclone will continue to track eastward in
response to a digging shortwave trough that moves southeast from
central Canada. An attendant cold front approaches the region
Friday as a result. However, very little in moisture return
from the Gulf keeps this boundary starved as it pushes across
the CWA Friday without much fanfare. Northwesterly upslope flow
on the backside of the front should develop a few showers along
the immediate Tennessee Border Friday night and early Saturday
morning. A broad continental area of high pressure is expected to
set up shop over the eastern CONUS over the upcoming weekend. In
response, temperatures drop around 20 degrees for afternoon
highs and overnight lows. Overnight lows are forecast to drop
into the 30s across western North Carolina and upper 30s to low
40s across the Upstate and northeast Georgia. There is some frost
potential over the weekend and will have to evaluate throughout
the week. Temperatures will gradually rebound by early next week.

&&

.AVIATION /12Z TUESDAY THROUGH SATURDAY/...
At KCLT and elsewhere: Expect VFR conditions this period outside of
mountain valley and river fog. Mountain valley fog will dissipate by
mid morning but looks to remain away from KAVL. River valley fog is
near KAND and has briefly floated over the terminal. For now, kept
it VFR with a TEMPO MVFR. Light SW wind develops by afternoon, NNW
at KAVL, along with some high based stratocu. Light and variable to
calm wind develops by evening. Mountain valley fog is expected once
again.

Outlook: Expect VFR conditions. The only exception will be the
potential for mtn valley fog overnight/each morning.

&&

.CLIMATE...
RECORDS FOR 10-13

               MAX TEMPERATURE         MIN TEMPERATURE
  STATION      HIGH        LOW         HIGH        LOW
  -------  ----------  ----------  ----------  ----------
   KAVL      83 1969     44 1907     63 2017     29 1917
                1954
   KCLT      91 1954     50 1977     68 1883     35 1964
   KGSP      87 1954     54 1906     65 2017     29 1988
                                        1954
                                        1926



RECORDS FOR 10-14

               MAX TEMPERATURE         MIN TEMPERATURE
  STATION      HIGH        LOW         HIGH        LOW
  -------  ----------  ----------  ----------  ----------
   KAVL      82 1928     51 1907     64 1954     25 1988
   KCLT      87 2021     56 1922     68 1883     32 2006
                1940                    1881
   KGSP      86 1985     57 1907     67 1954     30 1988
                1928



RECORDS FOR 10-15

               MAX TEMPERATURE         MIN TEMPERATURE
  STATION      HIGH        LOW         HIGH        LOW
  -------  ----------  ----------  ----------  ----------
   KAVL      86 1897     52 2002     60 2017     27 1907
                                        1970
                                        1928
   KCLT      88 1985     53 2009     66 1985     30 2006
   KGSP      86 1985     53 2002     65 1985     31 1907
                1941                    1970



RECORDS FOR 10-16

               MAX TEMPERATURE         MIN TEMPERATURE
  STATION      HIGH        LOW         HIGH        LOW
  -------  ----------  ----------  ----------  ----------
   KAVL      87 1897     49 1954     63 1928     29 1939
   KCLT      87 1925     58 1937     68 1947     35 1939
                                        1925
   KGSP      85 1935     53 1937     67 1925     32 1907
                1911
                1892

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...None.
NC...None.
SC...None.

&&

$$

CAC/RWH