Greenville, North Carolina 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

777
FXUS62 KMHX 230006
AFDMHX

Area Forecast Discussion
National Weather Service Newport/Morehead City NC
806 PM EDT Sat Aug 22 2026

.WHAT HAS CHANGED...
Updated aviation discussion section for 00Z TAF issuance

&&

.KEY MESSAGES...
1) Localized severe threat for coastal areas Sun afternoon.
Drier inland and northern areas.

2) A thunderstorm risk, some potentially severe, for Mon
afternoon for coastal areas again.

3) Perhaps some drier weather for Tue, but then more unsettled
pattern may return for mid to late week with sct afternoon
showers/storms.

&&

.DISCUSSION...
KEY MESSAGE 1...Another mid-level shortwave will lift
northeastward through the SE and Mid Atlantic on Sunday. With a
seabreeze pinned east of Hwy 17, these two features will act in
tandem to produce sct thunderstorms Sun afternoon into the
evening. Some of these storms may be strong to marginally svr,
as 2,600+ J/KG of CAPE and 25-30+ kt of shear will be in place.
Have inc pops near the coast to 40-60%, while interior zones are
in the 10-20% range. Best chance of svr storms will be east of
Hwy 17 stretching from around Richlands to New Bern to Engelhard.
With recent heavy rains, a localized flood threat may
materialize, as PW`s are still in the 90th or higher percentile
range.

KEY MESSAGE 2...Similar setup for Mon, as area is on east side
of broad level troughing with yet more shortwave energy swinging
through and front hung up near the coast interacting with
afternoon seabreeze. EFI for CAPE/Shear is around the 80th
percentile, suggesting a severe risk if storms can develop and
organize. Best chances again for eastern zones.


KEY MESSAGE 3...An anomalously strong upper level trough is
forecast to translate east and finally move offshore by Tue but
then dampen with return of sswrly flow and moisture off the GOM.
This will bring more unsettled wx back to ENC in the form of
showers and storms with pops back into the 40-60% range,
peaking in the afternoon to early evening. Temps will be back to
slightly above climo, esp for the overnight periods as
warm/humid airmass will be in place.

&&

.AVIATION /00Z SUNDAY THROUGH THURSDAY/...
Forecast confidence is low to moderate with respect to IFR/LIFR
fg or low stratus tonight. Consistent calm winds may be hard to
come by tonight, so fog threat is a slight bit lower, reflected
in the most recent TAFs. Still, low stratus remains possible for
all terminals, with the best chance west of hwy 17 (PGV, ISO,
OAJ).

Any fog or low stratus will dissipate in the morning,
leading to VFR conditions again. Some showers and storms
possible in the afternoon, esp OAJ and EWN and have added
prob30s to TAFs to handle this.

Outlook (Sun night through Thu): Mainly VFR, though patchy
fog/low stratus may develop each night. More unsettled weather
returns for Wed into late week, with tempo reductions in cigs
and vsby.

&&

.MARINE...
Ocnl tsra will ride up over the Gulf Stream tonight, producing
locally strong winds and frequent lightning. Otherwise, swrly
winds remain in the 5-15 kt range with seas of 2-4 ft through
Sunday.

Outlook (Sun night through Thu): Cont wrly to swrly winds
expected through next week, but speeds will cont in the 5-15 kt
range through next week with seas no higher than 2-3 ft.

&&

.MHX WATCHES/WARNINGS/ADVISORIES...
NC...None.
MARINE...None.

&&

$$

DISCUSSION...TL
AVIATION...TL/RJ
MARINE...TL