573
FNUS71 KCAR 181616
FWSCAR
SPOT FORECAST FOR UMAINE OAK STAND RX...MAINE FOREST SERVICE
NATIONAL WEATHER SERVICE CARIBOU ME
1216 PM EDT MON MAY 18 2026
FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT NWS CARIBOU AT 207-492-0166 WITH ANY FURTHER QUESTIONS.
DISCUSSION
12PM UPDATE: NO SIGNIFICANT CHANGES.
THIS AFTERNOON EXPECT RHS TO DIP INTO THE UPPER 20S TO LOW 30S
WITH LIGHT AND VARIABLE WINDS. BY 12PM, WINDS START TO INCREASE
OUT OF THE SOUTHWEST BECOMING SOUTH AT AROUND 10 MPH BY 5PM.
WINDS MAY GUST UP TO 20 MPH FROM THE SOUTH. CLOUD COVER CONTINUES
TO INCREASE THROUGHOUT THE AFTERNOON, WITH SOME DECREASING CLOUD
COVER AROUND 5PM. RHS RECOVER OVER NIGHT AS WINDS ALSO DECREASE.
WEATHER COVERAGE ABBREVIATIONS... SCH=SLIGHT CHANCE, ISO=ISOLATED,
CHC=CHANCE, SCT=SCATTERED, LKY=LIKELY, NUM=NUMEROUS,
DEF=DEFINITE, WID=WIDESPREAD, OCL=OCCASIONAL, PDS=PERIODS,
ARS=AREAS, PTY=PATCHY
WEATHER TYPE ABBREVIATIONS... DYT=DRY THUNDERSTORMS, TSM=THUNDERSTORMS,
SN=SNOW, RN=RAIN, SW=SNOW SHOWERS, RW=RAIN SHOWERS,
DZL=DRIZZLE, FZR=FREEZING RAIN, FZD=FREEZING DRIZZLE, SLT=SLEET,
FZF=FREEZING FOG, IFG=ICE FOG, HAZ=HAZE, BSN=BLOWING SNOW,
SMK=SMOKE, FST=FROST, FZS=FREEZING SPRAY, RS=RAIN/SNOW,
DZF=DRIZZLE/FOG, SNF=SNOW/FOG, RNF=RAIN/FOG,
ZRS=FREEZING RAIN/SNOW
OTHER ABBREVIATIONS... NA=NOT AVAILABLE, M=MISSING
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
CWR.................10 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........30 PERCENT.
WIND CHILL..........64.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH UP TO 5 MPH LATE IN
THE AFTERNOON.
WIND SHIFT..........
MIXING HEIGHT.......3200 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 14 MPH.
SMOKE DISPERSAL.....FAIR (19000 KNOT-FT).
LVORI...............2.
ADI.................21 TO 30 INCREASING TO 34 TO 42 LATE IN THE
AFTERNOON, THEN DECREASING TO 25 LATE IN THE
AFTERNOON.
PCPN AMOUNT.........0.00 INCHES.
TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80 78 86 76 71 65
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 10
TEMP............64 66 66 66 67 64
RH..............30 32 34 36 36 40
WIND CHILL (F)..64 66 66 66 67 64
EYE LVL WND DIR.S SW SW S S S
EYE LVL WND SPD.1 2 3 4 4 5
EYE LVL WND GST.3 4 5 7 10 10
MIX HGT (KFT)...3.2 3.0 2.7 2.1 1.7 1.6
TRANSP WIND DIR.SW SW SW S S S
TRANSP WIND SPD.7 9 10 13 14 14
LVORI...........2 2 1 1 1 2
ADI.............21 30 42 38 34 25
VRATE KT-FT/1K..19 24 24 24 21 20
VENTRATE CAT....PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........83 PERCENT.
WIND CHILL..........48.
EYE LEVEL WINDS.....SOUTH WINDS UP TO 5 MPH IN THE EVENING BECOMING
LIGHT.
WIND SHIFT..........
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 14 MPH.
SMOKE DISPERSAL.....FAIR (18600 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2400 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............4.
ADI.................25 DECREASING TO 3 TO 10.
PCPN AMOUNT.........0.00 INCHES.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........51 29 28 19 24 15 24 47 42 42 43 41
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............62 60 57 55 54 52 51 50 50 49 50 50
RH..............39 44 49 53 55 61 66 71 74 80 80 83
WIND CHILL (F)..62 60 57 55 54 52 51 49 49 48 49 50
EYE LVL WND DIR.S S S S S S S S S S S S
EYE LVL WND SPD.5 5 4 4 4 3 3 2 2 2 2 1
EYE LVL WND GST.10 10 10 8 7 5 5 4 4 4 4 3
MIX HGT (KFT)...1.6 0.8 0.6 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.14 13 12 10 9 9 8 7 7 7 8 8
LVORI...........2 2 2 3 3 3 3 3 4 5 5 5
ADI.............25 10 10 5 5 5 4 4 4 4 4 3
VRATE KT-FT/1K..19 9 6 4 4 4 3 3 2 2 3 3
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT) THEN BECOMING
PARTLY SUNNY (65-75 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE MORNING, THEN RAIN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE LATE
MORNING AND EARLY AFTERNOON, THEN INCREASING TO
60 PERCENT EARLY IN THE AFTERNOON DECREASING TO
50 PERCENT LATE IN THE AFTERNOON DECREASING TO
40 PERCENT.
CHANCE OF THUNDER...32 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........42 PERCENT.
WIND CHILL..........52.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST UP TO 6 MPH WITH
GUSTS TO AROUND 12 MPH LATE IN THE MORNING,
THEN SHIFTING TO THE UP TO 5 MPH LATE IN THE
AFTERNOON.
WIND SHIFT..........
MIXING HEIGHT.......4800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 16 MPH SHIFTING TO THE WEST 13
TO 22 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (2300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (90600 KNOT-FT) IN THE
AFTERNOON.
LVORI...............5 EARLY IN THE MORNING.
ADI.................3 TO 8 EARLY IN THE MORNING.
PCPN AMOUNT.........0.15 INCHES.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........46 33 14 25 35 48 38 52 73 71 68 63
WEATHER COV..... SCH SCH SCH SCH SCH LKY LKY CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW
TSTM COV........ CHC CHC CHC SCH
CWR.............0 0 10 20 20 20 20 20 60 60 50 40
CHC OF THDR (%).0 0 0 0 0 10 10 10 30 30 30 20
TEMP............52 58 63 69 75 81 85 87 88 89 86 84
RH..............80 72 65 59 54 47 43 42 42 42 48 53
WIND CHILL (F)..52 58 63 69 75 81 85 87 88 90 87 86
EYE LVL WND DIR.S SW SW SW SW SW SW SW SW W W W
EYE LVL WND SPD.1 1 1 1 2 4 4 5 6 6 5 4
EYE LVL WND GST.3 3 3 3 4 7 10 10 12 12 10 10
MIX HGT (KFT)...0.4 0.5 1.0 1.2 1.4 2.2 3.3 4.8 4.8 4.1 2.8 1.8
TRANSP WIND DIR.SW SW SW SW SW SW SW W W W W W
TRANSP WIND SPD.7 7 10 10 10 12 16 21 22 18 17 13
LVORI...........5 4 M M M M M M M M M M
ADI.............3 8 M M M M M M M M M M
VRATE KT-FT/1K..2 3 9 11 13 22 47 87 91 65 42 20
VENTRATE CAT....PR PR PR PR PR PR FR GD GD GD FR PR
FORECASTER...JMM
REQUESTED BY...W. HATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 2613870.2/CAR
.DELDT 05/18/26
.FORMATTERVERSION 2.0.0
.EMAIL WESLEY.HATCH@MAINE.GOV
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