092  
FNUS71 KGYX 311946  
FWSGYX  
 
SPOT FORECAST FOR RUMFORD POWER HAZARDOUS CHEMICAL TRANSFER PART...OXFORD COUNTY EMA  
NATIONAL WEATHER SERVICE GRAY ME  
346 PM EDT WED MAY 31 2023  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 EDT ON JUNE 01.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (207) 688-3224, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
GOOD AFTERNOON. HIGH PRESSURE WILL BRING MOSTLY SUNNY AND LIGHT WINDS  
DURING THE DAY ON THURSDAY WITH A VERY LOW CHANCE OF A SHOWER AFTER  
1 PM. IT WILL ALSO BE VERY WARM WITH HIGH TEMPERATURES QUICKLY  
CLIMBING INTO THE 80S BY LATE MORNING AND APPROACHING 90 DEGREES  
IN THE AFTERNOON.  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT). ISOLATED SHOWERS IN  
THE AFTERNOON.  
CHANCE OF PCPN......20 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........30 PERCENT.  
MAX APPARENT TEMP...86.  
SURFACE WINDS (MPH).NORTHWEST WINDS AROUND 5 MPH IN THE MORNING AND  
EARLY AFTERNOON BECOMING LIGHT.  
MIXING HEIGHT.......7900 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 6 TO 10 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........5 5 5 5 5 26 26 26 26 26 26  
WEATHER COV..... ISO ISO ISO ISO ISO  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........NO NO NO NO NO NO NO NO NO NO NO  
CHC OF PCPN (%).0 0 0 0 5 10 15 20 20 20 20  
LAL.............1 1 1 1 1 1 1 1 1 1 1  
TEMP............62 71 76 80 84 85 87 88 87 86 85  
RH..............75 59 50 44 40 36 32 30 32 34 36  
APARNT TMP (F)..62 71 76 80 83 84 85 86 85 84 84  
SURFACE WND DIR.NW W NW NW NW NW NW NW NW N N  
SURFACE WND SPD.5 5 5 5 5 5 5 5 3 2 2  
SURFACE WND GST.8 9 9 9 9 9 9 9 8 7 6  
MIX HGT (KFT)...0.5 0.9 1.6 2.4 4.6 7.8 7.9 5.9 7.6 6.7 3.4  
TRANSP WIND DIR.NW NW NW N N N N N N N N  
TRANSP WIND SPD.9 9 9 9 9 10 8 8 8 8 6  
   
THURSDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). SLIGHT CHANCE OF  
SHOWERS IN THE LATE EVENING AND OVERNIGHT.  
CHANCE OF PCPN......20 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........84 PERCENT. 16  
MAX APPARENT TEMP...82.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH  
EARLY IN THE EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 9 MPH.  
STABILITY CLASS.....MISSING.  
RAINFALL AMOUNT.....0.00 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
INVERSION SETUP.....  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........32 32 32 32 32 32 28 28 28 28 28 28  
WEATHER COV..... SCH SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW RW  
TSTM COV........NO NO NO NO NO NO NO NO NO NO NO NO  
CHC OF PCPN (%).10 10 10 20 20 20 20 20 20 10 10 10  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............83 80 80 76 73 71 69 68 66 65 64 63  
RH..............40 45 47 54 57 61 66 68 73 73 75 75  
APARNT TMP (F)..82 80 81 76 73 71 69 68 66 65 64 63  
SURFACE WND DIR.N NW W W W NW NW NW NW NW NW NW  
SURFACE WND SPD.3 3 5 5 5 5 5 3 3 3 3 3  
SURFACE WND GST.7 9 10 10 9 9 8 7 7 6 6 7  
MIX HGT (KFT)...1.2 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.W W W W NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.5 5 6 7 8 8 8 8 8 8 9 9  
 
 
FORECASTER...COMBS  
REQUESTED BY...ALLYSON HILL  
TYPE OF REQUEST...HAZMAT  
.TAG 2314311.0/GYX  
.DELDT 05/31/23  
.FORMATTERVERSION 2.0.0  
.EMAIL EMA@OXFORDCOUNTY.ORG  
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