textproduct: Greenville-Spartanburg

This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.

WHAT HAS CHANGED

Updated 18Z Aviation Discussion.

KEY MESSAGES

1. Dry conditions with a warming trend through Saturday. Shower and thunderstorm chances return early next week.

DISCUSSION

Key message 1: Dry conditions with a warming trend through Saturday. Shower and thunderstorm chances return early next week.

Deep layer ridging over the southeastern CONUS will be in full control of the sensible weather through Saturday as very warm air aloft sets up shop, leading to plentiful sunshine. Max temperatures are expected to be near normal this afternoon and nudging up a few ticks Friday and Saturday with widespread mid to upper 80s outside the mountains and major mountain valleys, with even a few spots flirting with the 90 degree mark along and east of I-77. Dewpoints are on the lower end making conditions feel pleasant for early June.

Temperatures remain in the mid to upper 80s through the weekend and into Monday, while the ridging that will be in place gradually breaks down in response to the ridge pushing back west. Guidance has hinted at the early stages of an Omega Blocking pattern developing late this weekend and the early part of next week. There is also good consensus on a backdoor front moving across the CWFA with a trough settling over the the northeastern CONUS. With the frontal interaction, an increase in clouds and PoPs will allow temperatures to trend a little cooler by the end of the forecast period.

AVIATION /18Z THURSDAY THROUGH TUESDAY/

At KCLT and elsewhere: VFR conditions will prevail through the forecast period. SKC are expected through at least Friday morning outside of the mountain tops. Mountain valley fog/low stratus is expected, but confidence is low as to whether or not that reaches KAVL, so didn't place a mention in the 18Z TAF update. Winds are mostly light and variable, which will remain this way through daybreak Friday. Light southwest winds will develop by Friday afternoon.

Outlook: Expect dry, VFR conditions to continue into the weekend. The potential for morning mountain valley fog/low stratus will gradually increase each day.

GSP WATCHES/WARNINGS/ADVISORIES

GA...None. NC...None. SC...None.

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