textproduct: Charleston
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
All sections have been updated.
KEY MESSAGES
- 1) Gradual increase in rain chances early this week.
DISCUSSION
KEY MESSAGE 1: Gradual increase in rain chances early this week.
Rain chances will gradually increase this week as troughing approaches from the west and deeper moisture spreads across the Southeast via southerly flow. Mostly dry conditions will persist Monday due to lingering influence of the ridge aloft, with only a slight uptick in POPs. Rain chances then increase Tuesday as the greatest influence from forcing and moisture overlap the area ahead of a weakening cold front. However, guidance continues to suggest the front will dissipate before reaching the region, keeping precip coverage limited.
Through the remainder of the week, expect a typical summer-like pattern with activity driven by weak forcing and diurnal heating. This will support isolated to scattered showers and thunderstorms each afternoon, triggering mainly along the sea breeze. The threat for severe or hazardous weather is low at this time.
AVIATION /18Z SUNDAY THROUGH FRIDAY/
18Z TAF Discussion: The majority of cloud cover will consist of a few cumulus this afternoon and cirrus streaming overhead through the night. Winds will increase as a sea breeze pushes inland later this afternoon into the evening. Otherwise, VFR conditions will prevail at KCHS/KJZI/KSAV through 18Z Monday.
Extended Aviation Outlook: An isolated shower or thunderstorm could result in brief flight restrictions Tuesday through the rest of the week.
MARINE
Today and Tonight: South/southwest winds will prevail along the western periphery of an Atlantic high. Seas will range between 2-3 ft.
Monday through Friday: Conditions will remain below Small Craft Advisory criteria through the period. High pressure will dominate over the marine waters Monday, with a weak cold front possibly approaching on Tuesday. High pressure will return through the remainder of the period. Winds will generally be out of the south, with a typical summertime pattern of a surge in gusts along the coast with the afternoon sea breeze.
CHS WATCHES/WARNINGS/ADVISORIES
GA...None. SC...None. MARINE...None.
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