Area Forecast Discussion
Issued by NWS Portland, ME

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
-- Highlight Changed Discussion --
-- Discussion containing changed information from previous version are highlighted. --
000 FXUS61 KGYX 261110 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 610 AM EST THU FEB 26 2015 .SYNOPSIS... LOW PRESSURE WILL TRACK WELL TO OUR SOUTH LATER TODAY AND TONIGHT. HIGH PRESSURE WILL GRADUALLY BUILD IN FROM THE WEST THROUGH SATURDAY. HIGH PRESSURE WILL CREST OVER THE REGION ON SUNDAY BEFORE SHIFTING OFFSHORE SOUTH OF NEW ENGLAND. WEAK LOW PRESSURE WILL APPROACH FROM THE WEST SUNDAY NIGHT AND WILL CROSS THE AREA ON MONDAY DRAGGING A TRAILING COLD FRONT THROUGH THE REGION. HIGH PRESSURE WILL BUILD IN FROM THE WEST MONDAY NIGHT AND WILL CREST OVER THE AREA ON TUESDAY. LOW PRESSURE WILL MOVE UP THE EAST COAST TUESDAY NIGHT AND WILL LIFT NORTH THROUGH NEW ENGLAND WEDNESDAY. && .NEAR TERM /UNTIL 6 PM THIS EVENING/...
-- Changed Discussion --
605 AM...MINOR ESTF UPDATE TO REFLECT SATELLITE TREND AND INGEST THE CURRENT MESONET INTO 1ST PERIOD GRIDS. PREV DISC... AN ARCTIC COLD FRONT SLIPPED OFFSHORE OVERNIGHT. BEHIND IT...COLD AIR WAS ONCE AGAIN DEEPENING ACROSS THE FORECAST AREA. HIGHS WILL REACH THE TEENS AND LOWER 20S...WHILE THE MOUNTAINS STRUGGLE TO REACH 10 ABOVE. CLOUDS WILL BE ON THE INCREASE...ESPECIALLY OVER SOUTHERN AND CENTRAL SECTIONS AS LOW PRESSURE TRACKS NORTHEAST OFF THE CAROLINA AND MID ATLANTIC COAST. THERE IS A SLIGHT CHANCE THAT THE NORTHERN EDGE OF THE PRECIPITATION SHIELD COULD BRING A FEW FLURRIES TO EXTREME SOUTHERN SECTIONS NEAR THE MASS-NH BORDER LATER TODAY.
-- End Changed Discussion --
&& .SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/... MIDDLE AND HIGH CLOUDS SHOULD EVENTUALLY GIVE WAY TO CLEARING FROM NORTH TO SOUTH AS HIGH PRESSURE BEGINS TO NOSE INTO THE AREA. LOWS WILL RANGE FROM 5 TO 15 BELOW IN THE MOUNTAINS TO A FEW DEGREES EITHER SIDE OF ZERO ELSEWHERE. A MOSTLY SUNNY DAY ON FRIDAY WITH HIGHS SIMILAR TO TODAY AS THE SURFACE HIGH CONTINUES TO BUILD EASTWARD. && .LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/... QUIET STRETCH OF WEATHER ON TAP THROUGH THE WEEKEND AS BROAD TROUGH OVER THE COUNTRY KEEPS THE STORM TRACK SUPPRESSED TO THE SOUTH. HIGH PRESSURE BUILDING IN FROM THE WEST WILL PRODUCE MOSTLY CLEAR SKIES FRIDAY NIGHT AND SATURDAY. CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPS TO ONCE AGAIN PLUMMET WELL BELOW NORMAL FRIDAY NIGHT WITH READINGS OF 10 TO 15 BELOW NORTH AND ZERO TO 10 BELOW SOUTH. HIGHS WILL REMAIN BELOW NORMAL ON SATURDAY WITH MID TEENS TO NEAR 20 NORTH AND IN THE LOWER TO MID 20S SOUTH. HIGH PRESSURE WILL CREST OVER THE AREA SATURDAY NIGHT. WILL SEE A SLIGHTLY WARMER NIGHT WITH LOWS OF 5 TO 10 BELOW NORTH AND 5 BELOW TO 5 ABOVE SOUTH. HIGH PRESSURE WILL SHIFT OFFSHORE SOUTH OF NEW ENGLAND ON SUNDAY. WILL SEE INCREASING HIGH CLOUDS AS A WEAK SYSTEM APPROACHES FROM THE WEST. WEAK MID LEVEL OVER-RUNNING SHIFTING IN FROM THE WEST MAY BRING A FEW SNOW SHOWERS INTO WESTERN ZONES BY SUNSET. SHOULD SEE A SLIGHTLY WARMER DAY DESPITE THE CLOUDS WITH HIGHS IN THE LOWER TO MID 20S NORTH AND MID 20S TO NEAR 30 SOUTH. WEAK LOW PRESSURE PUSHING IN FROM THE WEST WILL BRING LIGHT SNOW TO MUCH OF THE NORTHEAST SUNDAY NIGHT INTO MONDAY. RATHER MODEST QPF WITH THIS SYSTEM AND EXPECT ONLY 1 TO 3 INCHES OF ACCUMULATION THROUGH NOON MONDAY. LOW PRESSURE WILL QUICKLY SHIFT EAST OF THE FORECAST AREA MONDAY MORNING DRAGGING ANOTHER ARCTIC FRONT THROUGH THE REGION. EXPECT CLEARING SKIES DOWNWIND OF THE MOUNTAINS IN THE AFTERNOON HELPED BY A GUSTY NORTHWEST WIND...WHILE CLOUDS AND SNOW SHOWERS PERSIST IN THE NORTH. HIGH TEMPS WILL LIKELY BE REACHED IN THE MORNING BEFORE DROPPING OFF IN THE AFTERNOON. HIGH PRESSURE WILL BUILD IN FROM THE WEST MONDAY NIGHT BRINGING CLEARING SKIES IN THE NORTH ALONG WITH DIMINISHING WINDS. HIGH PRESSURE WILL CREST OVER THE REGION ON TUESDAY PROVIDING MOSTLY SUNNY SKIES AND LIGHT WINDS AND TEMPS RANGING THROUGH THE 20S TO NEAR 30. WILL LIKELY SEE INCREASING HIGH CLOUDS FROM MID AFTERNOON ON AS NEXT SYSTEM APPROACHES FROM THE SOUTHWEST. && .AVIATION /11Z THURSDAY THROUGH MONDAY/... SHORT TERM...VFR EXPECTED. LONG TERM...VFR FRIDAY NIGHT THROUGH SUNDAY. MVFR/IFR CEILINGS/VSBY DEVELOPING SUNDAY NIGHT...IMPROVING TO VFR MONDAY AFTERNOON. && .MARINE... SHORT TERM...WINDS AND SEAS HAVE DROPPED OFF AND THE SMALL CRAFT HAS BEEN CANCELLED. FREEZING SPRAY WILL CONTINUE FOR MUCH OF TODAY AND THE CURRENT FREEZING SPRAY ADVISORY HAS BEEN EXTENDED UNTIL EARLY EVENING. LONG TERM...SCA`S MAY BE NEEDED SUNDAY NIGHT AND MONDAY. && .GYX WATCHES/WARNINGS/ADVISORIES...
-- Changed Discussion --
ME...NONE. NH...NONE. MARINE...FREEZING SPRAY ADVISORY UNTIL 6 PM EST THIS EVENING FOR ANZ150>154.
-- End Changed Discussion --
&& $$ ES

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.