074  
FXUS61 KCAR 261317  
AFDCAR  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE CARIBOU ME  
917 AM EDT SAT MAY 26 2018  
   
SYNOPSIS
 
 
A COLD FRONT WILL PUSH OFF THE DOWNEAST COAST THIS AFTERNOON.  
HIGH PRESSURE WILL BUILD INTO THE REGION TONIGHT AND WILL BEGIN  
TO MOVE INTO THE MARITIMES ON SUNDAY. A COLD FRONT WILL CROSS  
THE REGION MONDAY NIGHT.  
 

 
   
NEAR TERM /THROUGH TONIGHT/
 
 
9:15 AM UPDATE. RAISED TEMPS AND DEW POINTS ACROSS THE AREA A  
COUPLE DEGREES THROUGH MID MORNING. ALSO, DECREASED CLOUDS A BIT  
ACROSS THE FAR NORTH WHERE CLEARING IS BEGINNING TO PUSH IN.  
OTHERWISE, NO MAJOR CHANGES THIS HOUR.  
 
A COLD FRONT ACROSS NORTHERN MAINE EARLY THIS MORNING WILL PUSH  
SOUTH TO THE DOWNEAST COAST THIS AFTERNOON, AND WILL MOVE  
OFFSHORE TONIGHT. A WEAK WAVE WILL TRACK ALONG THE FRONT AND  
ACROSS PARTS OF THE DOWNEAST REGION TODAY. HIGH PRESSURE OVER  
HUDSON BAY WILL BUILD INTO NORTHERN QUEBEC TODAY AND INTO  
WESTERN LABRADOR TONIGHT. THE RIDGE WILL EXTEND SOUTH INTO MAINE  
TONIGHT.  
 
ISOLATED SHOWERS IN FAR NORTHERN MAINE WILL WIND DOWN EARLY THIS  
MORNING. SHOWERS WILL FALL IN SPOTS DOWNEAST THIS MORNING AND  
INTO AT LEAST THE FIRST HALF OF THE AFTERNOON WITH DRIER AIR TO  
FILTER IN LATE IN THE DAY. THE LAST SEVERAL RUNS OF THE HRRR AND  
RAP INDICATE MORE WIDESPREAD SHOWERS FROM AROUND DOVER-FOXCROFT  
AND BANGOR AND INTO MUCH OF HANCOCK COUNTY LATER THIS MORNING  
INTO THE AFTERNOON. HAVE INCREASED THE POPS AND COVERAGE A BIT  
TODAY, AND IT IS POSSIBLE THAT THE POPS MIGHT NEED TO BE  
INCREASED EVEN FURTHER ONCE WE GET A BETTER HANDLE ON JUST WHERE  
THE SHOWERS WILL FALL. CLOUDS WILL GIVE WAY TO BREAKS OF SUN  
THIS AFTERNOON AS IT TURNS LESS HUMID. ACROSS THE NORTH, EARLY  
CLOUDS AND ISOLATED SHOWERS AND PATCHY FOG WILL GIVE WAY A  
MOSTLY SUNNY DAY WITH LOW HUMIDITY AND A NORTH WIND OF 10 TO 15  
MPH WITH A FEW GUSTS TO 20 TO 25 MPH. HIGHS WILL RANGE FROM THE  
MID 60S NORTH TO THE LOW 70S IN THE GREATER BANGOR AREA. CLEAR  
AND COOL TONIGHT WITH SOME FROST ACROSS THE COLDER NORTHWEST  
VALLEYS. HAVE ADDED IN SOME PATCHY FROST. IT IS IFFY AS TO  
WHETHER THERE WILL BE ANY FROST IN EASTERN AROOSTOOK COUNTY AND  
WILL HOLD OFF ON ANY FROST HEADLINES FOR NOW AS PATCHY FROST IS  
ONLY IN THE GRIDS FOR AN HOUR, AND ONLY IN SOME OF THE LOWER  
SPOTS, BUT THIS IS SOMETHING THAT WILL NEED TO BE MONITORED.  
THERE MAY ALSO BE A BIT OF FOG IN THE RIVER VALLEYS FOR AN HOUR  
OR TWO AROUND SUNRISE.  
 

 
   
SHORT TERM /SUNDAY THROUGH MONDAY/
 
 
FAIR WEATHER IS EXPECTED SUNDAY AS HIGH PRESSURE BUILDS ACROSS  
THE AREA. THE HIGH WILL SLIDE EAST OF THE CANADIAN MARITIMES  
SUNDAY NIGHT. THE HIGH WILL CONTINUE TO MOVE EAST ON MONDAY AS A  
COLD FRONT APPROACHES FROM THE WEST. THERE WILL BE THE CHANCE  
FOR SHOWERS ACROSS NORTHERN AND WESTERN AREAS MONDAY AFTERNOON  
IN ADVANCE OF THE APPROACHING FRONT. HIGHS ON SUNDAY WILL BE IN  
THE MID TO UPPER 60S AND IN THE LOW TO MID 60S ON MONDAY.  
 

 
   
LONG TERM /MONDAY NIGHT THROUGH FRIDAY/
 
 
THE COLD FRONT WILL CROSS THE REGION MONDAY NIGHT WITH THE  
CHANCE FOR SHOWERS. TUESDAY WILL BE A DRY DAY WITH MAINLY SUNNY  
SKY CONDITIONS AND SEASONABLE TEMPERATURES. CONTINUED FAIR AND  
SEASONABLE WEATHER IS EXPECTED TUESDAY NIGHT AND WEDNESDAY.  
THURSDAY IS STILL SHAPING UP AS A VERY WARM DAY AS H925 MB  
TEMPERATURES APPROACH 23 TO 24C WITH HIGH TEMPERATURES  
POTENTIALLY CLIMBING WELL INTO THE 80S. THE RIDGE MOVES OFFSHORE  
FRIDAY ALLOWING A SOUTHERLY FLOW TO TRANSPORT MOISTURE BACK  
INTO THE REGION BY LATE WEEK.  
 

 
   
AVIATION /13Z SATURDAY THROUGH WEDNESDAY/
 
 
NEAR TERM: VFR TODAY AT THE NORTHERN TERMINALS. BRIEF MVFR  
CONDITIONS ARE POSSIBLE LATE THIS MORNING INTO MID AFTERNOON AT  
KBGR AND KBHB IN CLOUDS AND SHOWERS. OTHERWISE, VFR EXPECTED  
TODAY AND TONIGHT. PATCHY LATE NIGHT RIVER VALLEY FOG POSSIBLE  
JUST PRIOR TO SUNRISE SUNDAY MORNING, WHICH MAY LOCALLY CAUSE  
IFR CONDITIONS, BUT THEY ARE NOT EXPECTED TO BE WIDESPREAD.  
 
SHORT TERM: GENERALLY VFR THROUGH THE PERIOD. THE EXCEPTION WILL  
BE MONDAY NIGHT WHEN A COLD MAY BRING MVFR/IFR CONDITIONS TO THE  
REGION.  
 

 
   
MARINE
 
 
NEAR TERM: THE WIND AND SEAS WILL REMAIN BELOW SMALL CRAFT ADVISORY  
LEVELS THROUGH TONIGHT.  
 
SHORT TERM: WINDS/SEAS REMAIN BELOW SCA LEVELS THROUGH MUCH OF  
THE PERIOD.  
 

 
   
CAR WATCHES/WARNINGS/ADVISORIES
 
 
ME...NONE.  
MARINE...NONE.  
 

 
 

 
 
NEAR TERM...CB/MCB  
SHORT TERM...DUDA  
LONG TERM...DUDA  
AVIATION...CB/DUDA  
MARINE...CB/DUDA  
 
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