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Area Forecast Discussion
Issued by NWS Newport/Morehead, NC
Issued by NWS Newport/Morehead, NC
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725 FXUS62 KMHX 061934 AFDMHX Area Forecast Discussion National Weather Service Newport/Morehead City NC 334 PM EDT Sat Jul 6 2024 .SYNOPSIS... High pressure ridging centered in the Atlantic continues to extend west towards the Eastern Seaboard into next week. A cold front will approach ENC from the west tonight and on Sunday before stalling and eventually dissipating across the Piedmont Sunday evening into Monday. Increased chances of precip will remain possible through Sunday before the front dissipates. More diurnally driven shower and thunderstorm activity is then forecast from early in the week to about midweek before the next front approaches and interacts with moisture from the remnants of Beryl bringing increased precipitation chances. && .NEAR TERM /THROUGH TONIGHT/... As of 330 PM Sat... Scattered shower and thunderstorm activity has developed along the seabreeze this afternoon from areas around Hwy 17 and west. Biggest threat with this ongoing activity has been heavy rain, though a wind gust in excess of 40-50 mph can`t be completely ruled out either. Otherwise fairly widespread cloud cover persists across our inland zones and the Crystal Coast this afternoon as a mix of thunderstorms and diurnal Cu have overspread the region with the OBX seeing partly cloudy skies today. As a result while heat indices have gotten to 100-110 across the area, don`t expect them to get much higher today. As we go through the rest of the afternoon scattered shower and thunderstorm activity will continue into sunset generally along and west of Hwy 17. With PWAT`S generally remaining at or above 2 inches and SBCAPEs sitting around 2500-4000 J/kg this afternoon the threat for isolated flash flooding and strong wind gusts around 40-50 mph will be possible within any storm that develops. Greatest flooding risk will be across locations where storms remain stationary or training storms develop. As we get into tonight the threat for scattered shower and thunderstorm activity decreases inland but may begin to increase along our coastal waters and the OBX. In addition to this guidance is suggesting that low stratus will quickly filter into the area from the west overnight as well. We remain warm and muggy tonight once again with lows getting down into the mid to upper 70s. && .SHORT TERM /SUNDAY/... As of 330 PM Sat... Almost another rinse and repeat forecast for tomorrow, though temps will be a bit lower. Weakening cold front is forecast to begin to dissipate over the Piedmont while seabreeze sets up in the afternoon once again. Much like on Sat shower and thunderstorm activity is forecast to develop along the seabreeze and out ahead of the aforementioned front. With PWAT`s remaining around 2+ inches and with 500-1500 J/kg of SBCAPE around the area showers and thunderstorms are forecast with any activity that develops bringing a threat for localized flash flooding and gusty winds. Otherwise temps are slightly cooler on Sun getting into the upper 80s to near 90. && .LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/... As of 240 AM Sat...Typical summertime pattern expected through early next week, shifting to a wetter pattern mid to late week. Temps will remain near climo. A cold front will stall or dissipate west of the area, while weak upper low offshore drifts towards the SE coast through early next week. This boundary will likely do little, except to possibly aid in shower/tstm development. Seabreeze, inland troughing, and waves rotating through the upper trough to the WNW will keep mostly diurnally driven showers and storms in the forecast Sunday into early next week. Did increase pops a bit Sunday afternoon, especially north of the Pamlico Rvr where high res guidance shows better convective coverage, near area of better instability. Expect convective chances to be near or slightly above climo Monday and Tuesday, with better chances for more widespread coverage mid to late next week. Another front will approach late next week, possibly stalling near or over the area as weak waves develop along it which may interact with moisture from the remnants of Beryl. Still too much uncertainty this far out, so will continue to cap pops at chance through the period. At this time it looks like the lack of shear should limit overall svr threat. However, periods of moderate to heavy rain will be possible, especially later in the period with PWATs potentially creeping towards 2.5". Temps look to be near climo, with highs in the mid 80s to low 90s each day and overnight lows in the 70s. && .AVIATION /19Z SATURDAY THROUGH THURSDAY/... SHORT TERM /through 18Z Sat/... As of 130 PM Sat... Shower and thunderstorm activity has begun to develop along the seabreeze aided by strong SBCAPE and deep moisture over ENC. As a result have included either tempo TS or TSRA across all terminals until about 22-23z today. MVFR ceilings/vis will be possible within any storm and gusts up to 35 kts will be possible within the strongest thunderstorms today. Outside of tstm activity expecting primarily VFR conditions with ceilings remaining around 3.5-5 kft this afternoon. As we get into tonight MVFR to IFR ceilings are possible tonight as moisture left over from afternoon shower and tstm activity will aid in the development of low stratus. Currently have PGV/ISO going down to MVFR by 03Z and then IFR by 07z while areas closer to the coast get down to MVFR ceilings by 06Z. Then have cloud cover lifting through the morning on Sun with everywhere seeing VFR ceilings by about midday. Otherwise continued S`rly winds with occasional gusts to about 15 kts will be possible this afternoon before winds ease tonight. LONG TERM /Sat afternoon through Thursday/... As of 240 AM Sat...Sct shower/tstm chances expected through the next several days, peaking during max heating each afternoon and evening, which could bring periods of sub-VFR to the terminals. Patchy fog and/or stratus will be possible each night, with increased chances for areas that receive rain. && .MARINE... SHORT TERM /through Sunday/... As of 330 AM Sat... Winds have not gotten as high as previously expected thanks to widespread clouds and thunderstorm activity across the Coastal Plain capping temps for the most part which has allowed the thermal gradient to remain rather weak. Will keep ongoing SCA`s up for another few hours just in case gusts come up but won`t be surprised if SCA`s are expired at 7PM. Otherwise 10-20 kt S`rly winds with gusts up around 20-25 kts and 2-4 ft seas persist across our waters this afternoon. As we get into tonight winds ease slightly but remain S`rly persisting at 10-15 kts through Sun afternoon. Seas will lower slightly as well tonight down to 2 to 3 ft. The one caveat to this otherwise pleasant boating conditions will be the constant threat for isolated to widely scattered shower and thunderstorm activity which could lead to locally enhanced winds and seas. LONG TERM /Sunday night through THursday/... As of 240 AM Sat...Overall pleasant boating conditions expected through the period. Typical summertime pattern sets up with high pressure offshore and weak boundary and sfc trough inland. S-SW winds 5-15 kt Sun through Wed with seas 2-3 ft, occasionally up to 4 ft across the outer waters. && .CLIMATE... Record High temps for 07/06 (Saturday) LOCATION TEMP/YEAR New Bern 98/1969 (KEWN ASOS) Cape Hatteras 95/1969 (KHSE ASOS) Greenville 100/2010 (COOP - Not KPGV AWOS) Morehead City 97/1990 (COOP - Not KMRH ASOS) Kinston 105/1900 (COOP - Not KISO AWOS) Jacksonville 99/1977 (NCA ASOS) && .MHX WATCHES/WARNINGS/ADVISORIES... NC...Excessive Heat Warning until 8 PM EDT this evening for NCZ029- 044-045-079-080-090-091. Heat Advisory until 8 PM EDT this evening for NCZ046-047-081- 092-094-193-194-198. Beach Hazards Statement until 8 PM EDT this evening for NCZ195- 196-199-204-205. MARINE...Small Craft Advisory until 10 PM EDT this evening for AMZ135- 150-231. && $$ SYNOPSIS...MHX NEAR TERM...RCF SHORT TERM...RCF LONG TERM...CQD AVIATION...CQD/RCF MARINE...CQD/RCF CLIMATE...MHX