434
FNCA72 TJSJ 110825
FWSSJU
SPOT FORECAST FOR UPR JUANA DIAZ RX...PUERTO RICO FIRE DEPT.
NATIONAL WEATHER SERVICE SAN JUAN PR
425 AM AST FRI JAN 11 2019
FORECAST IS BASED ON IGNITION TIME OF 0900 AST ON JANUARY 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
QUESTIONS OR CONCERNS ABOUT THIS FORECAST, CONTACT (787) 253-4501.
DISCUSSION
ALTHOUGH KBDI VALUES ACROSS THE SOUTH COASTAL PLAINS
ARE ABOVE 600; LIGHT WINDS AND YESTERDAY'S WETTING RAINS WILL MAINTAIN
THE FIRE DANGER LOW TODAY. RH VALUES ACROSS THESE AREAS ARE EXPECTED
TO RANGE IN THE UPPER 50S TO LOW 60S WITH 10-HOUR FUEL MOISTURE VALUES
NEAR 12 PERCENT.
LATEST KBDI VALUES: CABO ROJO 643, GUANICA 679 AND CAMP SANTIAGO 705.
MOISTURE ADVECTION TO CONTINUE, PARTICULARLY WITH THE ONSET OF THE SEA
BREEZE, THEREFORE ISOLATED PASSING SHOWERS WILL REMAIN POSSIBLE TODAY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
CHANCE OF PCPN......10 PERCENT.
LAL.................NO TSTMS.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........UPPER 50S.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE
SOUTHEAST 6 TO 9 MPH IN THE LATE MORNING AND
AFTERNOON.
MIXING HEIGHT.......400-2200 FT AGL INCREASING TO 3800-5500 FT AGL
IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 2 TO 6 MPH.
DISPERSION..........4.
TIME (AST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........53 53 53 53 53 53 35 35 35 35 35 35
WEATHER COV.....ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............65 68 71 75 80 83 85 85 83 80 77 75
RH..............95 92 88 82 75 68 62 58 58 61 66 73
20 FT WIND DIR..N NE NE NE E SE SE SE S SE SE SE
20 FT WIND SPD..5 5 4 5 6 6 6 7 8 7 6 6
20 FT WIND GUST.6 6 5 6 7 7 8 10 8 7
MIX HGT (KFT)...0.4 0.4 0.9 2.2 3.8 5.0 5.5 5.4 5.1 4.9 4.4 3.8
TRANSP WIND DIR.NE NE NE E SE SE SE SE SE SE SE SE
TRANSP WIND SPD.2 3 3 5 5 6 6 6 6 5 5 3
DISPERSION......2 3 6 6 6 6 6 6 6 6 6 6
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
LAL.................NO TSTMS.
MIN TEMPERATURE.....AROUND 67.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......1400-2700 FT AGL DECREASING TO 300-600 FT AGL
EARLY IN THE EVENING.
TRANSPORT WINDS.....NORTHEAST 2 TO 6 MPH.
DISPERSION..........3.
TIME (AST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........10 10 10 10 10 10 3 3 3 3 3 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............74 73 72 71 70 70 69 69 68 68 67 67
RH..............80 88 93 97 99 99 99 98 98 99 100 100
20 FT WIND DIR..E NE NE NE NE N N N N N NE NE
20 FT WIND SPD..6 5 5 5 6 6 6 6 6 7 7 7
20 FT WIND GUST. 6 6 6 7 7 7 8 8 8
MIX HGT (KFT)...2.7 1.4 0.5 0.3 0.4 0.6 0.6 0.6 0.6 0.5 0.5 0.5
TRANSP WIND DIR.SE E E E NE NE NE NE NE NE NE NE
TRANSP WIND SPD.2 2 2 2 3 3 3 5 5 5 6 6
DISPERSION......1 1 1 1 2 2 2 3 3 3 4 4
SATURDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CHANCE OF PCPN......10 PERCENT.
LAL.................NO TSTMS.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......EAST WINDS 7 TO 10 MPH.
MIXING HEIGHT.......400-1900 FT AGL INCREASING TO 4600-6200 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 12 MPH.
DISPERSION..........6.
TIME (AST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........1 1 1 1 1 1 31 31 31 31 31 31
WEATHER COV..... ISO ISO ISO ISO ISO ISO
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 10 10 10 10 10 10
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............67 70 73 77 80 82 84 85 85 83 80 77
RH..............99 97 92 84 74 65 56 50 48 50 57 65
20 FT WIND DIR..NE NE NE E E SE E E E E E E
20 FT WIND SPD..7 6 6 7 7 8 8 9 9 10 10 10
20 FT WIND GUST.8 7 7 8 8 10 10 10 10 11 11 11
MIX HGT (KFT)...0.4 0.4 0.8 1.9 3.3 4.5 5.4 6.0 6.2 6.0 5.5 4.6
TRANSP WIND DIR.NE NE NE NE E E E E E E E E
TRANSP WIND SPD.6 6 6 8 10 12 12 12 10 10 10 10
DISPERSION......5 5 6 6 6 6 6 6 6 6 6 6
FORECASTER...SANCHEZ/MARTINEZ
REQUESTED BY...JOS M. MARTNEZ
TYPE OF REQUEST...PRESCRIBED
.TAG 1900190.0/SJU
.DELDT 01/11/19
.EMAIL FIREJUMBO76@HOTMAIL.COM
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