Area Forecast Discussion
Issued by NWS Sterling, VA

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000 FXUS61 KLWX 131833 AFDLWX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 233 PM EDT SAT SEP 13 2014 .SYNOPSIS...
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AN AREA OF UPPER LEVEL LOW PRESSURE IS PASSING TO THE NORTH OF THE AREA THIS AFTERNOON. HIGH PRESSURE WILL BUILD INTO THE MID-ATLANTIC TONIGHT THROUGH MONDAY. A WEAK DISTURBANCE PASSES THROUGH THE AREA MONDAY NIGHT. HIGH PRESSURE BUILDS IN THROUGH MIDWEEK.
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&& .NEAR TERM /TONIGHT/...
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RGNL RDR SHOWS PCPN HAS NOW PUSHED E OF THE BLUE RDG...AND WL BE EXITING THE BAY ARND 21Z. IT WL TAKE SVRL MORE HRS B4 THE CLDS BEGIN TO BRK UP. ONLY A FEW SPOTS HV MADE IT ABV 70 DEGS TDA. HIGH PRES WL BE PUSHING INTO THE AREA QUICKLY TNGT...ALLOWING SKIES TO CLR. AS MENTIONED ERLR THERE WERE TEMPS IN THE U20S IN THE UPR MIDWEST THIS MRNG. WHILE IT WON`T BE EVEN CLOSE TO THAT COLD IN THE MID ATLC OVRNGT IT IS A GOOD INDICATION OF THE AIR MASS. SUN MRNG LOWS XPCTD TO DROP TO A40 IN THE HIGHLANDS... PERHAPS EVEN U30S. THE CITIES AND ALONG THE BAY WL ONLY DROP INTO U50S...BUT MUCH OF THE CENTER OF THE FA SHOULD DROP TO THE U40S/A50. W/ DRIER AIR MOVG IN FEEL FOG THREAT WL BE LIMITED.
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&& .SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/...
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IT`S LOOKING LK A BEAUTIFUL DAY SUNDAY AS HIGH PRES BLDS OVR THE RGN. M SUNNY SKIES W/ HIGHS IN THE M70S. NO PROBS WX WISE FORESEEN SUN NGT/MON. ANOTHER COOLER NGT SUN NGT W/ LOWS GETTING INTO THE 40S W OF I-95. SHORT WV IN THE UPR FLOW MON NGT WL BRING AN INCRS IN CLD CVR. MON NGT`S TEMPS SHOULD REBOUND ABT 10 DEGS.
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&& .LONG TERM /TUESDAY THROUGH FRIDAY/...
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A COLD FRONT WILL MOVE OFFSHORE TUESDAY. THERE MAY BE A FEW RAIN SHOWERS TUESDAY MORNING BEFORE GRADUALLY CLEARING SKIES AS HIGH PRESSURE BUILDS IN FROM THE OHIO VALLEY. HIGH PRESSURE WILL REMAIN IN CONTROL FROM TUESDAY AFTERNOON THROUGH THURSDAY MORNING...KEEPING CONDITIONS DRY AND SLIGHTLY COOLER THAN AVERAGE. A PIECE OF ENERGY WILL TRY TO PUSH ACROSS THE REGION THURSDAY AFTERNOON INTO THURSDAY NIGHT BUT BECAUSE OF THE LACK OF MOISTURE...WE HAVE POPS GENERALLY LESS THAN 10 PERCENT. HIGH PRESSURE WILL REINFORCE ITSELF SOUTHEASTWARD FROM THE GREAT LAKES REGION LATE THURSDAY NIGHT THROUGH SATURDAY...KEEPING DRY CONDITIONS IN THE REGION.
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&& .AVIATION /18Z SATURDAY THROUGH THURSDAY/...
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CIGS/VSBYS SHOULD BE RECOVERING FM THE PD OF MVFR XPRNCD LATE THIS MRNG/ERLY THIS AFTN...ALTHO IT WON`T BE UNTIL LATER THIS EVE THAT SKIES REALLY CLR OUT. NO PROBS FORESEEN SUN OR MON. VFR CONDITIONS TUESDAY THROUGH WEDNESDAY.
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&& .MARINE...
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GRADIENT INCREASES THIS EVENING AS HIGH PRESSURE BUILDS IN FM THE NORTH AND WEST. SCA IS IN EFFECT. WINDS DIMINISH QUICKLY SUNDAY AFTERNOON AND CONTINUE TO BE LIGHT SUNDAY NIGHT WITH HIGH PRESSURE BUILDING OVER THE WATERS. NO MARINE HAZARDS TUESDAY THROUGH WEDNESDAY.
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&& .TIDES/COASTAL FLOODING...
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WATER LVLS CAME IN BLO MINOR FLD VALUES THIS MRNG AT ANNA/BALT. EVE SHIFT WL KEEP EYES ON THE NEXT HIGH TIDE TNGT. THE TIDE HAS NOT AFFECTED THE UPPER POTOMAC YET. CAUTION STAGE IS A MORE LIKELY SCENARIO. SOUTHERN AND NORTHERN STREAM DISTURBANCES WILL AFFECT THE REGION TODAY. WINDS WILL TURN NW IN ITS WAKE TONIGHT...RESULTING IN A BLOWOUT TIDE. LOCATIONS THAT WILL RECEIVE THE PM TIDE PRIOR TO WIND SHIFT MAY BE SUSCEPTIBLE TO MINOR FLOODING. ANNAPOLIS IS THE BIGGEST CONCERN. THINK THE WIND SHIFT WILL REACH BALTIMORE AND DC FIRST. WILL BE ADDING WORDING TO THE HWO.
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&& .LWX WATCHES/WARNINGS/ADVISORIES... DC...NONE. MD...NONE. VA...NONE. WV...NONE. MARINE...SMALL CRAFT ADVISORY FROM 10 PM THIS EVENING TO 6 AM EDT SUNDAY FOR ANZ531-532-538>540-542. SMALL CRAFT ADVISORY FROM 10 PM THIS EVENING TO 10 AM EDT SUNDAY FOR ANZ533-534-537-541-543. && $$ PRODUCTS...WOODY!/KLW

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