Forecast Discussion for Advection Fog and Visibility Issues in Greenville-Spartanburg Area

Feb 05, 2026

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This area forecast discussion outlines the potential for Brief MVFR fog conditions affecting KAND/KCLT around sunrise Friday due to northwesterly flow aloft. Despite some forecast hydrolapse, crossover temperatures are significantly below the expected lows. Consequently, the possibility of MVFR fog is acknowledged but not included in the forecast. Variability in VFR ceilings is possible but deemed unlikely. Current weather advisories show none for GA, NC, or SC. The forecast covers the period from tonight through Saturday.

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Forecast Discussion for Advection Fog and Visibility Issues in Greenville-Spartanburg Area

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Forecasting Visibility

Advection Fog
Radiation Fog

000 FXUS62 KGSP 131857 AFDGSP AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 253 PM EDT THU APR 13 2006 .SHORT TERM /TONIGHT THROUGH SATURDAY/... NORTHWESTERLY FLOW ALOFT WILL REMAIN OVER THE AREA THRU FRIDAY. …. THERE IS THE POSSIBILITY THAT KAND/KCLT COULD HAVE A BRIEF PERIOD OF MVFR FOG AROUND SUNRISE FRI GIVEN THE FORECAST HYDROLAPSE. HOWEVER CROSSOVER TEMPS ARE WELL BELOW FORECAST LOW TEMPS...THEREFORE WILL LEAVE OUT FOR NOW. CANNOT RULE OUT SOME VFR CEILINGS FROM TIME TO TIME...BUT CHANCE NOT HIGH ENOUGH TO INCLUDE AT THIS TIME. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && $$ SHORT TERM...RWH/CSH LONG TERM...CSH AVIATION...RWH