Area Forecast Discussion
Issued by NWS Newport/Morehead, NC

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816 FXUS62 KMHX 110807 AFDMHX Area Forecast Discussion National Weather Service Newport/Morehead City NC 407 AM EDT Tue Jun 11 2024 .SYNOPSIS...
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A mid level disturbance will move across the region today bringing scattered showers and storms. High pressure will ridge into the area Wednesday and Thursday while an area of low pressure meanders off the Southeast coast. The high pulls offshore Friday with a cold front pushing across the area Saturday. High pressure builds in early next week.
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&& .NEAR TERM /TODAY/...
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As of 330 AM Tuesday...Clear skies and calm winds has brought good radiational cooling conditions this morning and seeing patchy shallow fog across portions of the FA, mainly south of Highway 70 at this point. However, could see patchy fog across much of ENC coastal plain during the pre dawn hours but it will burn off quickly after sunrise. An upper trough remains across the Eastern CONUS with a stalled front around 80-100 mi offshore and a trough of low pressure across the central piedmont. An embedded shortwave will move through the flow aloft around mid day which will aid in triggering isolated to scattered showers and storms this afternoon. The main focus for storms will be along the sea breeze as it migrates inland through the afternoon with greatest chances across the Albemarle/Pamlico peninsula. Step low level lapse rates will allow for SBCAPE around 1000-1500 J/kg while 0-6km bulk shear will around 40-50 kt that could help develop a few stronger storms early to mid afternoon. However, once the upper trough axis pushes through increasing subsidence aloft will reduce CAPE through the rest of the afternoon. Temps will be seasonable with highs in the mid 80s and it will feel comfortable with dewpoints dropping into the mid to upper 50s away from the coast.
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&& .SHORT TERM /TONIGHT/...
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As of 345 AM Tuesday...The upper trough will push farther offshore tonight while sfc high pressure builds into the area. An isolated shower may linger into the early evening hours but otherwise expect dry conditions overnight. Clear skies and calm winds could allow for patchy fog development however ensemble guidance is showing chances less than 20 percent. Lows will be in the low to mid 60s inland and upper 60s to around 70 coast.
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&& .LONG TERM /WEDNESDAY THROUGH MONDAY/...
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As of 3 AM Tuesday... Key Points: - Dry Wednesday-Thursday night as high pressure dominates. - Low pressure scales NE`ward off SE coast Friday-Saturday - Minor heat risk concerns Saturday - Cold front moves through in the weekend - Dry start to next week Wednesday and Thursday... The upper trough axis pushes offshore Wednesday with sfc high pressure building in and NW downslope mid level flow bringing drier conditions across the region. Chances for fog Wed night and Thur night with generally clear skies and calm winds. Highs in the upper 80s to lower 90s inland, low to mid 80s for beaches. Thursday will be a few degrees warmer than Wednesday. Further to our south, a plume of tropical moisture originating in the Gulf of Mexico will traverse across the FL peninsula Tuesday into Tuesday night along a shortwave. Wednesday into Thursday the shortwave is expected to move NE`ward off the SC/GA/FL coast, where it becomes a bit better organized and a sfc low develops in between two areas of strong ridging. Friday through Sunday... Complicated setup in store, with a weak low meandering off the southeast coast and a cold front sweeping through the region. Friday the sfc low to our south moves NE`ward, likely along the gulf stream. Most models are showing the sfc low far enough offshore for minimal impacts. However, the most recent (6/11 00Z) GFS run has the low closer to the Crystal Coast and OBX Friday, resulting in higher precip chances for the coast and more hazardous marine conditions for our nearshore coastal waters. Saturday, temps will reach the mid 90s inland, which combined with Tds in the mid 70s will result in minor heat risk concerns. Current forecasted ApparentT is near 100 degrees for inland areas south of hwy 264. A mostly dry cold front (capped PoPs below 30%) sweeps through the region Saturday and gives the sfc low to our east a ride off into the Atlantic. Behind the cold front ridging sets in Sunday, with a quick hitting back door cold front moving in from the north allowing Tds to briefly drop to the 60s. Monday through Tuesday... Strong ridging brings clear skies and temps getting progressively warmer through early next week.
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&& .AVIATION /07Z TUESDAY THROUGH SATURDAY/...
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SHORT TERM /through Tonight/... As of 3 AM Tuesday...Clear skies and calm winds have allowed for patchy shallow fog to develop across southern rtes early this morning, mainly across Onslow and Duplin Counties. Vsbys have been cycling between LIFR and MVFR at several sites due to the shallow nature of the fog. Patchy fog will be possible at most of the terminals inland from the coast during the predawn hours with ensemble guidance showing probs around 30-50 percent. The fog will burn off quickly after sunrise with pred VFR expected through the rest of the TAF period. However, isolated to scattered showers and thunderstorms are expected this afternoon bringing occasional sub-VFR conditions. Highest chances for storms will be across northern rtes. LONG TERM /Wednesday through Saturday/... As of 3 AM Tuesday...High pressure dominating Wednesday- Thursday will bring a period of calm winds and clear/mostly clear skies overnight Wednesday night- Thursday night. This increases the potential for sub-VFR conditions due to fog, particularly during the early morning hours.
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&& .MARINE...
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SHORT TERM /Through Tonight/... As of 4 AM Tuesday...A cold front remains stalled around 80-100 mi offshore while a trough of low pressure remains across the central piedmont. Good boating conditions are expected through the short term with variable winds generally less than 15 kt with seas around 2-3 ft. LONG TERM /Wednesday through Saturday/... As of 3 AM Tuesday...Long term starts off benign, with waves 2-3 ft and easterly winds generally gusting below 15 kts through Thursday. Friday through the weekend we have a lot of uncertainty, as the forecast highly depends on how the sfc low developing off the SE coast over the next 24 hours progresses. Potential for SCA gusts and elevated seas exists Friday through Sunday if the sfc low approaches closer to our nearshore waters or strengthens substantially, but confidence remains too low at this point. Early next week pleasant boating conditions return, with waves 2-3 ft and E/SE winds less than 15 kts as high pressure dominates.
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&& .MHX WATCHES/WARNINGS/ADVISORIES... NC...None. MARINE...None. && $$ SYNOPSIS...MHX NEAR TERM...SK SHORT TERM...SK LONG TERM...RJ AVIATION...SK/RJ MARINE...SK/RJ