679  
FNCA72 TJSJ 241248 AAA  
FWSSJU  
 
SPOT FORECAST FOR TENCH RESCUE TRAINING...UPDATED  
NATIONAL WEATHER SERVICE SAN JUAN PR  
848 AM AST WED APR 24 2024  
 
FORECAST IS BASED ON FORECAST START TIME OF 0900 AST ON APRIL 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS  
WITH THIS FORECAST AT  
PHONE: 787-253-4586.  
   
DISCUSSION
 
ALTHOUGH SUNNY TO PARTLY CLOUDY SKIES ARE EXPECTED  
TO PREVAIL THROUGH THE MID-MORNING HOURS, ANOTHER ACTIVE AFTERNOON  
IS EXPECTED DURING THE AFTERNOON HOURS. SHOWERS AND ISOLATED  
THUNDERSTORMS COULD DEVELOP AS EARLY AS NOON TODAY AROUND THE  
GUAYNABO AREA, AND SHOULD LAST THROUGH THE LATE AFTERNOON HOURS.  
LIGHTNING, GUSTY WINDS AND MINOR FLOODING IS POSSIBLE WITH THIS  
ACTIVITY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT) THEN BECOMING MOSTLY  
CLOUDY (70-80 PERCENT). SCATTERED SHOWERS EARLY  
IN THE AFTERNOON. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. NUMEROUS SHOWERS LATE IN THE  
AFTERNOON.  
CHANCE OF PCPN......60 PERCENT.  
LAL.................1 UNTIL 1200, THEN 2.  
MAX TEMPERATURE.....AROUND 88.  
MIN HUMIDITY........69 PERCENT.  
HEAT INDEX..........100.  
SURFACE WINDS (MPH).EAST WINDS 6 TO 10 MPH.  
WIND (20 FT)........EAST WINDS 6 TO 9 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 10 MPH.  
WAVE HEIGHT.........LESS THAN 1 FOOT.  
WAVE PERIOD.........0 SECONDS.  
 
TIME (AST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........13 13 13 70 70 70 80 80 80  
WEATHER COV..... SCT SCT SCT NUM NUM NUM  
WEATHER TYPE.... RW RW RW RW RW RW  
TSTM COV........ ISO ISO ISO ISO ISO ISO  
CHC OF PCPN (%).0 0 0 50 50 50 60 60 60  
LAL.............1 1 1 2 2 2 2 2 2  
TEMP............84 86 87 87 88 88 88 87 84  
RH..............75 73 71 70 69 69 70 71 75  
HEAT INDEX (F)..92 95 97 99 100 100 99 97 93  
20 FT WIND DIR..SE SE E E E E E E E  
20 FT WIND SPD..6 8 9 9 10 10 10 10 9  
20 FT WIND GUST.7 9 10 10 12 12 12 12 10  
SURFACE WND DIR.SE SE E E E E E E E  
SURFACE WND SPD.6 8 9 9 10 10 10 10 9  
SURFACE WND GST.7 9 10 10 12 12 12 12 10  
MIX HGT (KFT)...2.5 3.6 4.4 4.5 4.3 3.9 3.5 2.9 2.3  
TRANSP WIND DIR.E E E E SE SE SE E E  
TRANSP WIND SPD.8 8 9 9 10 10 10 10 10  
WAVE PERIOD (S).0 0 0 0 0 0 0 0 0  
WAVE HEIGHT (FT)0 0 0 0 0 0 0 0 0  
 

 
FORECASTER...D. SANCHEZ  
REQUESTED BY...JOSE M. MARTINEZ  
TYPE OF REQUEST...OTHER  
.TAG 2412207.0/SJU  
.DELDT 04/24/24  
.FORMATTERVERSION 2.0.0  
.EMAIL JOSEMARTIN@DSP.PR.GOV  
 
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