textproduct: Columbia
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
Aviation discussion updated for 00Z TAF.
KEY MESSAGES
- 1. A typical summer pattern expected this week with increasing moisture and warming temperatures during the mid to late week period.
DISCUSSION
Key Message 1: A typical summer pattern expected this week with increasing moisture and warming temperatures during the mid to late week period.
For the rest of Monday, a few showers will continue across the CSRA but otherwise capping remains strong enough to mitigate most convection. The plume of higher PWAT's shifts east by Tuesday and yields higher rain chances across the entire area. Scattered daytime showers and thunderstorms are then expected each day through the end of the week with a fairly typically summer pattern in place. With the ridge in our vicinity, significant rainfall is unlikely. While PWAT's should climb above 1.75", QPF totals across all guidance is generally only 0.25-0.75" with some isolated higher amounts in areas that see repeated rounds of thunderstorms. The combination of heat and humidity could result in our first days of heat index values at or above 100 degrees on Thursday and Friday, though still below heat product criteria.
AVIATION /00Z TUESDAY THROUGH SATURDAY/
Brief restrictions possible tonight into tomorrow morning.
Showers and storms have diminished this evening with a loss of daytime heating. Mid to high level clouds will stream over the terminals through tonight. With lingering low level moisture, guidance has been indicating the potential for brief restrictions near sunrise, with most likely restrictions being MVFR. For now have included sct015 at all terminals to account for this possibility with the exception of AGS which have included a TEMPO MVFR visibility due to its more fog prone nature. Any low clouds or fog will dissipate shortly after sunrise with scattered cumulus around 6kft and winds out of the SSE.
EXTENDED AVIATION OUTLOOK...Isolated, mainly diurnal, showers and thunderstorms.
CAE WATCHES/WARNINGS/ADVISORIES
SC...None. GA...None.
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