Area Forecast Discussion
Issued by NWS Portland, ME

Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
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 211902 AFDGYX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAY ME 302 PM EDT MON APR 21 2014 .SYNOPSIS...
-- Changed Discussion --
LOW PRESSURE APPROACHES FROM THE WEST TUESDAY...CROSSING THE AREA TUESDAY NIGHT AND WEDNESDAY. HIGH PRESSURE BUILDING ACROSS THE REGION WILL BRING FAIR WEATHER MID TO LATE WEEK. ANOTHER AREA OF LOW PRESSURE TRACKING CLOSE TO OUR AREA BRINGS A THREAT OF SHOWERS OVER THE WEEKEND.
-- End Changed Discussion --
&& .NEAR TERM /TONIGHT/...
-- Changed Discussion --
A SHORT WAVE TROUGH AND ATTENDANT SURFACE LOW PRESSURE AREA WILL APPROACH FROM THE WEST LATER TONIGHT. A FRONTAL BOUNDARY AHEAD OF THE LOW CENTER WILL SAG INTO NORTHERN PORTIONS OF THE FORECAST AREA TONIGHT. THIS BOUNDARY WILL BE THE FOCUS FOR SOME LIGHT SHOWER ACTIVITY IN THE MOUNTAINS. OTHERWISE...A FAIR AND RELATIVELY WARM NIGHT IS EXPECTED IN MOST AREAS.
-- End Changed Discussion --
&& .SHORT TERM /TUESDAY AND TUESDAY NIGHT/...
-- Changed Discussion --
MUCH OF THE AREA WILL BE WARM-SECTORED FOR MUCH OF THE DAY TUESDAY. DESPITE CLOUD COVER...TEMPERATURES SHOULD GET PRETTY WARM...WITH READINGS AROUND 70 IN THE FAR SOUTH TO MID 50S IN THE FAR NORTH AND ALONG THE IMMEDIATE COAST. LOW PRESSURE WILL APPROACH LATE IN THE DAY AND THIS SHOULD ALLOW SHOWER ACTIVITY TO SPREAD INTO OUR WESTERN ZONES DURING THE AFTERNOON. WIDESPREAD SHOWERS CONTINUE TO BE EXPECTED TUESDAY NIGHT AS LOW PRESSURE STRENGTHENS AND MOVES OVERHEAD.
-- End Changed Discussion --
&& .LONG TERM /WEDNESDAY THROUGH SUNDAY/...
-- Changed Discussion --
SURFACE LOW PRESSURE MOVES THROUGH THE GULF OF MAINE TOWARD NOVA SCOTIA WEDNESDAY... WITH UPPER LEVEL LOW PRESSURE OVER NEW HAMPSHIRE AND MAINE. EXPECT SHOWERS TO CONTINUE ESPECIALLY FOR EASTERN AREAS THROUGH THE DAY WEDNESDAY. NORTHWEST FLOW WILL BE BRINGING COOLER AIR IN... AND ENHANCING THE PRECIPITATION POTENTIAL IN UPSLOPE AREAS OF THE MOUNTAINS. SURFACE AND UPPER LOW FINALLY MOVE OFF TO THE EAST WEDNESDAY NIGHT... BRINGING PRECIPITATION POTENTIAL TO AN END. COOL NORTHWEST FLOW CONTINUES THURSDAY WITH HIGHS REACHING THE 40S AND 50S. HIGH PRESSURE RIDGES OVER THE AREA THURSDAY NIGHT INTO FRIDAY. MAY SEE GOOD RADIATIONAL COOLING CONDITIONS FRIDAY MORNING IN WESTERN NEW HAMPSHIRE... BUT WINDS MAY STAY UP FOR MUCH OF THE NIGHT ACROSS MAINE... LIMITING OVERALL COOLING THERE. EXPECT A LITTLE WARMER WEATHER FOR FRIDAY WITH THE RIDGE OVERHEAD AND TEMPERATURES REACHING THE 50S TO NEAR 60 DEGREES. BUT ANOTHER TROUGH MOVES IN FOR SATURDAY WITH MORE CHANCES FOR SHOWERS AND A LITTLE COOLER WEATHER FOR THE WEEKEND.
-- End Changed Discussion --
&& .AVIATION /19Z MONDAY THROUGH SATURDAY/...
-- Changed Discussion --
SHORT TERM...VFR CONDITIONS ARE EXPECTED THROUGH TUESDAY. MVFR TO IFR CONDITIONS LOOK TO DEVELOP TUESDAY NIGHT IN SHOWERS. LONG TERM...IFR/MVFR CONDITIONS CONTINUE WEDNESDAY BUT IMPROVE TO VFR WEDNESDAY NIGHT AND THURSDAY. WILL SEE MORE SHOWERS AND MVFR/IFR CONDITIONS BEGINNING SATURDAY.
-- End Changed Discussion --
&& .MARINE...
-- Changed Discussion --
SHORT TERM...A SCA MAY BE REQUIRED FOR TUESDAY AFTERNOON AND NIGHT FOR MARGINAL WIND GUSTS BUT ESPECIALLY SEAS WHICH MAY REACH 5 OR 6 FEET ON THE OCEAN. LONG TERM...COOL NORTHWEST FLOW ON WEDNESDAY NIGHT AND THURSDAY MAY GUST TO 25 OR 30 KT. GALES ARE UNLIKELY BUT A SMALL CRAFT ADVISORY MAY BE NEEDED.
-- End Changed Discussion --
&& .GYX WATCHES/WARNINGS/ADVISORIES... ME...NONE. NH...NONE. MARINE...NONE. && $$ NEAR/SHORT TERM...MLE LONG TERM...CK

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