Area Forecast Discussion
Issued by NWS Newport/Morehead, NC

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000 FXUS62 KMHX 150721 AFDMHX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEWPORT/MOREHEAD CITY NC 321 AM EDT WED MAY 15 2013 .SYNOPSIS...
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HIGH PRESSURE WILL REMAIN OFFSHORE WITH A WEAK TROF OF LOW PRESSURE SETTING UP OVER THE MIDDLE OF THE STATE TODAY AND THURSDAY. A WEAK BACK DOOR COLD FRONT WILL MOVE INTO NORTH CAROLINA FRIDAY AND STALL ACROSS THE REGION THROUGH SATURDAY. THE FRONT WILL RETREAT TO THE NORTH AS A WARM FRONT SUNDAY. ATLANTIC HIGH PRESSURE WILL BUILD INTO THE AREA MONDAY AND TUESDAY.
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&& .NEAR TERM /THROUGH TODAY/...
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AS OF 315 AM WED...LATEST SFC ANALYSIS SHOWS HIGH PRESSURE SLIDING OFF THE SE COAST AND LOW PRESSURE SYSTEM IN THE GREAT LAKES. UPPER TROUGH CONTINUES TO MOVE OFF THE EAST COAST TODAY...WHILE ASSOCIATED SHORTWAVE CONTINUES TO MOVE THROUGH THE AREA THIS MORNING RESULTING IN SCT-OVC MID CLOUD DECK. AS SHORTWAVE MOVES OFF THE COAST TODAY...EXPECT CLOUDS TO DO THE SAME. SFC HIGH PRESSURE WILL CONTINUE TO MOVE OFFSHORE TODAY AS UPPER RIDGE BUILDS OVER THE AREA. LOW LEVEL THICKNESS VALUES AND SWLY FLOW SUPPORT HIGH TEMPS IN THE MID 70S TO UPPER 80S. GUSTY SWLY WINDS WILL DEVELOP TODAY AS PGRADIENT TIGHTENS BTWN HIGH PRESSURE OFFSHORE AND WEAK TROUGHING INLAND...WITH GUSTS TO AROUND 25MPH.
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&& .SHORT TERM /TONIGHT/...
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AS OF 315 AM WED...EXPECT OVERALL QUIET AND MILD NIGHT WITH CONTINUED SWLY FLOW. OVERNIGHT LOW TEMPS IN THE 60S.
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&& .LONG TERM /THURSDAY THROUGH TUESDAY/... AN UPPER LEVEL RIDGE OVER THE SOUTHEAST WILL BECOME SLIGHTLY COMPRESSED AS A SERIES OF SHORTWAVES MOVE THROUGH IT OVER THE NEXT SEVERAL DAYS. HIGH PRESSURE OFF OF THE COAST AND A TROUGH OF LOW PRESSURE INLAND WILL PRODUCE A SOUTHWEST FLOW OF WARM AIR ACROSS THE CAROLINAS THROUGH LATE WEEK. A WEAK BACK DOOR COLD FRONT WILL SAG SOUTH INTO THE REGION FRIDAY AND REMAIN STALLED THROUGH SATURDAY. THIS BOUNDARY WILL ACT AS A FOCUSING MECHANISM FOR WIDELY SCATTERED TO SCATTERED CONVECTIVE ACTIVITY THROUGH THE WEEKEND. THE FRONT IS FORECAST TO RETREAT TO THE NORTH OF THE AREA AS A WARM FRONT BY MONDAY WITH ATLANTIC HIGH PRESSURE EXTENDING BACK INTO THE REGION FOR EARLY NEXT WEEK. CAN`T RULE OUT A THREAT FOR ISOLATED TO SCATTERED MAINLY DIURNAL CONVECTION MONDAY AND TUESDAY. HIGHS WILL BE IN THE UPPER 80S THURSDAY LOWERING SLIGHTLY BEYOND THAT TO THE LOWER TO MIDDLE 80S (MID/UPPER 70S BEACHES) AND LOWS IN THE LOWER TO MIDDLE 60S. && .AVIATION /07Z WEDNESDAY THROUGH SUNDAY/... SHORT TERM /THROUGH TONIGHT/... AS OF 1245 AM WED...PRED VFR CONDITIONS EXPECTED THROUGH THE PERIOD. AREA OF MID CLOUDS ASSOCIATED WITH UPPER TROUGH MOVING OFF THE COAST WILL LIKELY REMAIN E OF TERMINALS TODAY...THOUGH COULD SEE SCT CLOUDS AROUND 10KFT THROUGH THE PERIOD. GUSTY SW WINDS EXPECTED TO DEVELOP MID MORNING AND CONTINUE INTO EARLY EVENING...WITH GUSTS 20 TO 25KT...WHICH MAY LEAD TO CROSS-WIND IMPACTS AT EWN. LONG TERM /THURSDAY THROUGH SUNDAY/... PREVAILING VFR CONDITIONS EXPECTED THROUGH THURSDAY WITH ONLY ISOLATED CONVECTION EXPECTED. FOR FRIDAY THROUGH THE WEEKEND THE PRESENCE OF A STATIONARY BOUNDARY IS EXPECTED TO PRODUCE SCATTERED CONVECTION WITH SUB VFR CONDITIONS AT TIMES. THERE MAY BE OVERNIGHT RADIATION FOG DEVELOPING EACH NIGHT THIS WEEKEND...ESPECIALLY WHERE RAIN FALLS...AS DEWPOINTS WILL BE HIGH AND WINDS LIGHT. && .MARINE...
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SHORT TERM /THROUGH TONIGHT/... AS OF 315 AM WED...LATEST OBS SHOW S/SW WINDS 10-20KT AND SEAS 2-4FT. PRESSURE GRADIENT WILL TIGHTEN TODAY BTWN HIGH PRESSURE OFFSHORE AND WEAK TROUGHING DEVELOPING INLAND. SWLY WINDS WILL INCREASE TO 15-25KT AND SEAS BUILDING TO 4-7FT PER NWPS/WAVEWATCH. ONLY CHANGE TO ONGOING HEADLINES WAS TO INCLUDE ALBEMARLE SOUND IN SCA...THINK IT WILL SEE FREQ GUSTS TO 25KT. SCA CONTINUE FOR ALL WATERS AND SOUNDS. WINDS WILL BE SLOW TO DIMINISH OVERNIGHT INTO EARLY THU AM...WITH SEAS SLOWLY SUBSIDING. LONG TERM /THURSDAY THROUGH SUNDAY/... SMALL CRAFT ADVISORIES WILL CONTINUE THROUGH THURSDAY NIGHT CENTRAL WATERS. THE PRESSURE GRADIENT WILL REMAIN TIGHT BETWEEN ATLANTIC HIGH PRESSURE AND AN A INLAND TROUGH OF LOW PRESSURE WITH SOUTHWEST FLOW CONTINUING 15 TO 25 KT INTO THURSDAY. A BACK DOOR COLD FRONT WILL SAG SOUTH INTO THE WATERS FRIDAY STALLING THROUGH SUNDAY. THIS FRONT WILL HELP TO PRODUCE A MODERATE SOUTHWEST FLOW 15 TO 20 KT AHEAD OF THE FRONT OVER THE CENTRAL AND SOUTHERN WATERS FRIDAY WITH NORTHEAST FLOW 10-15 KT EXPECTED BEHIND THE FRONT OVER THE NORTHERN WATERS FRIDAY THROUGH SATURDAY AND EVENTUALLY THE CENTRAL WATERS SATURDAY. THE FLOW IS FORECAST TO BECOME SOUTHEASTERLY ALL WATERS SUNDAY AS THE BOUNDARY BEGINS TO LIFT TO THE NORTH AS A WARM FRONT.
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&& .MHX WATCHES/WARNINGS/ADVISORIES...
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NC...NONE. MARINE...SMALL CRAFT ADVISORY FROM 10 AM THIS MORNING TO 8 AM EDT THURSDAY FOR AMZ135-150-156-158. SMALL CRAFT ADVISORY FROM 10 AM THIS MORNING TO 9 PM EDT THIS EVENING FOR AMZ130. SMALL CRAFT ADVISORY FROM 10 AM THIS MORNING TO 5 AM EDT FRIDAY FOR AMZ152-154.
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&& $$ SYNOPSIS...SK/CQD NEAR TERM...CQD SHORT TERM...CQD LONG TERM...BTC/JME AVIATION...CQD/BTC/JME MARINE...CQD/BTC/JME

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