133  
FOCA52 TJSJ 171749  
AFMSJU  
 
AREA FORECAST MATRICES  
NATIONAL WEATHER SERVICE SAN JUAN PR  
149 PM AST TUE SEP 17 2019  
 
PRZ001-180815-  
SAN JUAN AND VICINITY-  
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,  
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 74 77 83 86 92 94 74 78 83 85 89 92 72 76 82  
TEMP 86 82 80 78 78 86 91 92 86 82 80 79 78 84 88 89 84 80 78 77 76 83  
DEWPT 74 75 74 74 73 74 72 73 74 73 74 73 73 73 73 73 73 72 72 74 74 75  
RH 68 79 82 88 85 68 54 54 68 74 82 82 85 70 61 59 70 77 82 90 94 77  
WIND DIR SE E SE SE SE E SE SE SE SE SE SE SE E SE SE SE SE SE SE S SE  
WIND SPD 12 8 4 5 6 11 13 13 12 6 6 5 8 10 12 13 12 8 6 6 5 10  
CLOUDS SC CL CL CL CL FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 20 30 40 40 20  
QPF 12HR 0.03-0.08 0.19 0.11-0.22 0.11-0.58 0.07-0.15  
RAIN SHWRS SC IS IS SC SC SC SC IS IS SC SC SC SC IS IS IS IS IS  
TSTMS IS IS  
OBVIS H H H H H H  
HEAT INDEX 93 88 82 94 99100 94 88 83 81 91 96 97 90 84 90  
MAX HEAT 105 92 97 103 103 91 95 101 100 90 95  
HIGH SURF Y Y Y Y Y  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 76 89 77 91 77 89 76 89  
TEMP 88 80 77 84 89 81 78 85 91 81 78 84 89 80 77 84 89 80  
DEWPT 75 73 75 75 75 73 73 73 73 74 74 75 74 74 73 74 73 73  
PWIND DIR E N SW SE SE SE SE SE E  
WIND CHAR GN LT LT GN GN LT GN LT GN  
AVG CLOUDS B1 B1 B1 B1 B1 B2 SC B1 B1 B2 B1 B1 SC SC SC SC SC B1  
POP 12HR 50 40 60 50 60 40 30 30 50  
RAIN SHWRS IS SC SC SC NM NM SC SC SC SC SC SC SC SC SC SC SC SC  
TSTMS IS IS IS SC SC IS IS IS IS IS  
 

 
 
PRZ002-180815-  
NORTHEAST-  
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,  
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 77 83 81 89 92 67 76 83 79 86 89 68 77 82  
TEMP 84 81 79 78 77 84 88 89 84 80 79 77 76 82 85 86 82 80 78 77 77 83  
DEWPT 75 75 74 74 74 74 73 74 74 74 74 73 73 74 74 74 73 73 74 74 74 74  
RH 74 82 85 88 90 72 61 61 72 82 85 87 90 77 70 68 74 79 88 90 90 74  
WIND DIR SE E E E E E SE SE SE SE SE E E E E SE SE SE SE E E E  
WIND SPD 11 9 8 9 10 13 14 13 11 8 6 9 9 12 13 13 12 9 8 8 6 10  
WIND GUST 20 19 21 21 24 20 19 19 17  
CLOUDS SC CL CL CL CL SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 20 40 50 50 30  
QPF 12HR 0.05-0.11 0.19-0.28 0.19-0.26 0.13-0.58 0.14  
RAIN SHWRS SC IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS  
TSTMS IS IS  
OBVIS H H H H H H  
HEAT INDEX 91 86 83 80 92 96 99 91 85 81 88 93 94 88 83 89  
MAX HEAT 102 91 96 103 102 92 95 99 98 90 95  
HIGH SURF Y Y Y Y Y  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 77 88 76 88 77 88 76 88  
TEMP 87 80 78 83 88 80 77 83 88 80 78 83 88 80 77 83 88 80  
DEWPT 75 73 74 74 74 71 73 73 73 75 75 75 74 74 73 74 73 73  
PWIND DIR E N S SE E SE SE E E  
WIND CHAR GN LT LT GN GN GN GN LT GN  
AVG CLOUDS SC B1 B1 B1 B1 B1 SC B1 B2 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 40 40 50 60 60 40 30 30 60  
RAIN SHWRS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC NM  
TSTMS IS IS IS IS SC IS IS IS IS  
 

 
 
PRZ003-180815-  
SOUTHEAST-  
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,  
SALINAS, AND YABUCOA  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 70 77 83 82 89 91 70 77 83 80 86 89 70 76 82  
TEMP 83 80 79 78 77 84 88 89 83 80 79 77 77 82 85 86 82 79 78 77 76 82  
DEWPT 73 74 73 73 73 73 72 73 73 74 73 73 72 73 73 73 71 70 71 73 73 74  
RH 72 82 82 85 87 70 59 59 72 82 82 87 85 74 67 65 69 74 79 87 90 77  
WIND DIR SE E E E E E SE SE SE E E E E E E SE SE E NE E NE E  
WIND SPD 11 9 8 9 9 13 14 13 11 8 8 8 9 11 14 13 12 10 8 9 8 11  
WIND GUST 19 19 25 19  
CLOUDS SC FW FW FW FW FW FW SC SC SC SC SC SC SC SC FW FW FW FW SC SC SC  
POP 12HR 20 30 40 40 30  
QPF 12HR 0.08 0.18-0.28 0.16-0.25 0.06-0.13 0.10  
RAIN SHWRS SC IS IS SC SC SC SC IS IS SC SC IS IS IS IS SC SC IS  
OBVIS H H H H H H  
HEAT INDEX 90 85 81 90 95 97 90 84 80 87 92 94 86 81 88  
MAX HEAT 101 92 95 102 101 90 92 98 97 90 94  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 76 86 75 87 76 86 75 86  
TEMP 86 79 76 82 86 78 76 82 87 79 77 82 86 78 76 81 86 78  
DEWPT 74 71 73 73 73 71 72 73 71 74 74 74 73 73 73 74 72 72  
PWIND DIR E N S SE E E E E E  
WIND CHAR GN LT LT LT GN GN GN LT GN  
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC  
POP 12HR 20 20 30 50 50 20 30 30 30  
RAIN SHWRS IS IS IS IS IS SC SC SC SC SC IS IS IS SC SC SC IS IS  
TSTMS IS IS IS IS  
 

 
 
PRZ004-180815-  
EASTERN INTERIOR-  
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,  
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 70 75 77 82 89 92 70 74 77 80 86 90 70 73 77  
TEMP 82 79 77 76 75 83 88 89 83 79 77 75 74 81 85 86 81 77 76 74 73 80  
DEWPT 72 73 72 72 71 72 71 71 72 72 72 72 71 72 71 72 71 69 70 72 72 73  
RH 72 82 85 87 87 70 57 56 70 79 85 90 90 74 63 63 72 76 82 93 97 79  
WIND DIR SE SE SE E E E SE SE SE SE SE E SE E E SE SE SE SE E E E  
WIND SPD 11 6 5 5 6 12 14 14 12 5 5 5 6 9 12 13 12 6 6 5 5 10  
CLOUDS SC CL CL CL CL FW FW SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC  
POP 12HR 20 30 40 40 30  
QPF 12HR 0.08 0.19 0.12-0.24 0.07-0.49 0.07-0.12  
RAIN SHWRS SC IS IS SC SC SC SC IS IS SC SC IS IS IS IS SC SC IS  
TSTMS IS IS  
OBVIS H H H H H H  
HEAT INDEX 87 81 88 94 95 88 80 86 91 93 84 84  
MAX HEAT 99 85 94 102 101 84 90 98 97 90  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 85 73 86 73 87 73 85 72 85  
TEMP 85 77 74 81 86 77 74 81 87 77 74 80 85 76 73 80 85 76  
DEWPT 73 70 73 73 73 71 71 72 70 73 73 73 72 72 72 72 70 71  
PWIND DIR E N SW SE E SE SE E E  
WIND CHAR GN LT LT LT GN LT GN LT GN  
AVG CLOUDS SC B1 B1 SC SC B1 SC B1 B1 B1 SC SC SC SC SC SC SC SC  
POP 12HR 40 40 50 50 50 30 30 30 40  
RAIN SHWRS IS SC SC SC SC SC SC SC SC SC SC SC SC IS SC SC IS SC  
TSTMS IS IS IS IS IS IS IS IS IS  
 

 
 
PRZ005-180815-  
NORTH CENTRAL-  
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,  
MANATI, VEGA ALTA, AND VEGA BAJA  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 72 77 83 86 92 95 71 77 83 85 89 92 71 76 82  
TEMP 85 81 79 78 77 85 90 92 85 81 79 78 77 84 88 89 83 80 78 77 76 83  
DEWPT 75 73 73 72 72 73 73 72 74 73 72 72 72 73 72 72 72 70 71 71 73 74  
RH 72 77 82 82 85 67 58 52 70 77 79 82 85 70 59 57 70 72 79 82 90 74  
WIND DIR SE SE SE SE SE E E SE SE SE SE SE SE SE E N N SE SE SE SE E  
WIND SPD 10 6 5 5 6 10 12 12 11 6 5 5 6 6 9 8 9 8 8 8 6 11  
WIND GUST 21 20 21 20  
CLOUDS SC CL CL CL CL FW FW SC SC FW FW FW FW SC SC SC SC FW FW SC SC SC  
POP 12HR 10 20 30 40 20  
QPF 12HR 0.02 0.18 0.07-0.13 0.10-0.48 0.07  
RAIN SHWRS IS IS IS SC SC IS IS IS IS SC SC SC SC IS IS IS IS IS  
TSTMS IS IS IS  
OBVIS H H H H H H  
HEAT INDEX 94 86 81 92 98 99 93 85 80 90 95 96 89 82 90  
MAX HEAT 106 92 97 105 103 91 95 101 100 88 95  
HIGH SURF Y Y Y Y Y  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 75 88 76 90 76 88 76 88  
TEMP 88 79 76 83 88 80 77 84 90 81 77 83 88 79 77 83 88 79  
DEWPT 75 74 74 75 75 73 71 73 74 73 73 74 74 73 72 73 73 73  
PWIND DIR E NE SW SE SE SE E SE E  
WIND CHAR GN LT LT GN GN LT GN LT GN  
AVG CLOUDS SC SC SC SC SC B1 SC SC SC B1 SC SC SC SC SC SC SC SC  
POP 12HR 30 20 60 10 60 20 30 20 30  
RAIN SHWRS IS SC IS IS NM NM IS IS NM NM IS IS SC SC IS IS SC SC  
TSTMS IS IS SC SC IS IS IS IS IS  
 

 
 
PRZ006-180815-  
CENTRAL INTERIOR-  
INCLUDING THE CITIES OF AIBONITO, BARANQUITAS, CIALES, COAMO,  
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 66 73 78 77 87 92 67 73 77 77 86 90 65 72 76  
TEMP 81 77 75 74 73 81 86 87 81 77 75 74 73 80 85 86 80 76 74 73 72 79  
DEWPT 71 70 71 70 69 70 69 68 70 70 70 70 69 70 69 69 69 66 67 69 70 71  
RH 72 79 87 87 87 69 57 53 69 79 84 87 87 72 59 57 69 71 79 87 93 77  
WIND DIR SE SE E E E E SE SE SE SE SE E E E SE SE SE SE SE E E E  
WIND SPD 11 6 6 6 6 11 14 13 12 6 5 6 6 8 11 12 11 8 8 8 6 11  
CLOUDS SC CL CL CL CL FW FW SC SC SC SC FW FW SC SC FW FW FW FW SC SC SC  
POP 12HR 10 20 30 40 20  
QPF 12HR 0.01-0.08 0.18 0.08-0.17 0.05-0.38 0.07  
RAIN SHWRS IS IS IS SC SC IS IS IS IS SC SC IS IS IS IS IS IS IS  
TSTMS IS  
OBVIS H H H H H H  
HEAT INDEX 84 85 91 91 85 83 89 90 82 81  
MAX HEAT 101 86 93 100 99 84 90 98 97 90  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 84 71 84 71 87 72 84 71 84  
TEMP 84 75 72 79 84 75 72 80 87 76 73 79 84 75 72 79 84 75  
DEWPT 70 70 71 71 72 70 69 70 70 71 71 71 70 70 70 70 69 70  
PWIND DIR E N SW SE E SE SE E E  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS SC SC SC SC SC B1 SC SC B1 B1 SC SC SC SC SC SC SC SC  
POP 12HR 30 20 50 20 60 20 20 20 30  
RAIN SHWRS IS IS IS IS IS IS IS IS IS NM IS IS IS IS IS IS IS IS  
TSTMS IS IS SC SC IS IS IS IS  
 

 
 
PRZ007-180815-  
PONCE AND VICINITY-  
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,  
PONCE, AND SANTA ISABEL  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 66 76 83 78 87 90 67 76 83 76 86 89 65 74 82  
TEMP 83 80 78 77 76 83 86 87 82 79 77 76 76 82 85 86 81 77 76 75 74 81  
DEWPT 73 72 72 71 71 73 72 71 72 72 72 72 71 72 72 72 71 69 68 70 71 72  
RH 72 77 82 82 85 72 63 59 72 79 85 87 85 72 65 63 72 76 76 84 90 74  
WIND DIR SE E E E E E SE SE SE E S NE E NE E SE SE E NE NE NE E  
WIND SPD 11 9 9 9 9 12 17 16 12 8 6 6 8 8 13 14 13 11 10 9 10 12  
CLOUDS SC CL CL CL CL FW FW SC SC FW FW SC SC SC SC FW FW FW FW SC SC SC  
POP 12HR 20 20 20 40 20  
QPF 12HR 0.02-0.08 0.18 0.09-0.19 0.04-0.11 0.07  
RAIN SHWRS SC IS IS SC SC IS IS IS IS IS IS IS IS IS IS IS IS IS  
TSTMS IS  
OBVIS H H H H H H  
HEAT INDEX 89 83 80 88 93 94 88 82 86 91 93 85 86  
MAX HEAT 101 92 94 99 97 90 91 98 97 88 92  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 74 86 71 88 74 86 74 86  
TEMP 86 78 75 81 86 76 72 81 88 78 75 81 86 78 75 81 86 78  
DEWPT 71 72 71 71 73 73 71 72 71 73 73 73 72 72 71 70 72 72  
PWIND DIR E N S E E E E NE E  
WIND CHAR GN LT LT LT GN LT GN LT GN  
AVG CLOUDS SC SC SC SC FW SC SC SC SC B1 SC SC FW SC FW SC SC SC  
POP 12HR 10 10 20 20 40 10 10 10 20  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS  
TSTMS IS IS  
 

 
 
PRZ008-180815-  
NORTHWEST-  
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,  
AND QUEBRADILLAS  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 72 76 83 85 90 92 71 75 83 86 71 74 82  
TEMP 84 80 78 77 76 84 89 90 84 80 78 76 75 82 85 86 81 78 76 75 74 82  
DEWPT 75 74 71 71 71 72 71 71 73 73 72 71 71 71 70 71 70 68 69 69 70 72  
RH 74 82 79 82 85 67 56 54 70 79 82 85 87 69 61 61 69 71 79 82 87 72  
WIND DIR SE SE SE E E E SE SE SE SE SE S SE SE SE E NE SE SE SE E E  
WIND SPD 9 6 6 6 8 10 11 11 10 5 4 4 4 5 8 6 5 5 6 8 9 10  
CLOUDS SC CL CL CL CL FW FW SC SC FW FW FW FW SC SC SC SC FW FW SC SC SC  
POP 12HR 10 20 20 60 20  
QPF 12HR 0.01 0.18 0.08 0.35-0.54 0.07  
RAIN SHWRS SC IS IS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS  
TSTMS IS IS IS  
OBVIS H H H H H H  
HEAT INDEX 92 84 90 95 97 90 82 86 90 92 85 87  
MAX HEAT 105 93 92 100 100 90 90 95 94 88 91  
HIGH SURF Y Y Y Y Y  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 73 87 74 89 75 87 75 87  
TEMP 87 77 74 81 87 78 75 83 89 79 76 82 87 78 75 82 87 78  
DEWPT 74 74 73 74 74 73 70 72 73 72 72 73 73 73 71 72 74 73  
PWIND DIR E NE SW SE SE SE E SE E  
WIND CHAR GN LT LT LT GN LT LT LT GN  
AVG CLOUDS SC B1 SC SC SC B1 SC SC SC B1 SC SC SC B1 FW FW SC B1  
POP 12HR 50 10 60 10 60 10 50 10 60  
RAIN SHWRS IS IS IS IS NM NM IS IS NM NM IS IS SC SC IS IS IS IS  
TSTMS IS IS SC SC IS IS IS IS IS IS  
 

 
 
PRZ009-180815-  
WESTERN INTERIOR-  
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,  
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 68 73 78 79 88 92 68 72 78 78 85 89 66 71 76  
TEMP 81 77 75 74 73 82 87 88 81 77 75 73 73 80 84 85 79 76 74 72 71 80  
DEWPT 72 70 70 69 69 70 69 67 70 70 70 69 69 70 69 69 68 66 66 67 69 70  
RH 74 79 84 84 87 67 55 50 69 79 84 87 87 72 61 59 69 71 76 84 93 72  
WIND DIR SE SE SE E E E SE SE SE SE SE E SE SE SE E E E SE E E SE  
WIND SPD 10 8 6 6 8 11 14 13 11 5 4 5 6 6 10 11 10 9 9 9 10 12  
CLOUDS B1 CL CL CL CL FW FW SC SC FW FW FW FW SC SC SC SC FW FW SC SC SC  
POP 12HR 10 20 20 60 20  
QPF 12HR 0.01 0.18 0.07-0.16 0.04-0.53 0.07  
RAIN SHWRS SC IS IS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS  
TSTMS IS IS IS  
OBVIS H H H H H H  
HEAT INDEX 85 86 91 92 85 83 88 89 82 83  
MAX HEAT 101 86 93 99 98 84 90 96 94 91  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 71 84 71 87 72 85 71 85  
TEMP 86 75 72 78 84 75 72 80 87 77 73 80 85 76 72 79 85 76  
DEWPT 70 72 70 71 72 71 69 70 70 70 71 71 69 71 69 69 70 71  
PWIND DIR E NE S SE SE SE SE E E  
WIND CHAR GN LT LT LT GN LT LT LT LT  
AVG CLOUDS SC B1 SC SC SC B1 SC SC SC B1 SC SC SC SC FW FW SC SC  
POP 12HR 40 10 60 10 60 10 40 10 40  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
TSTMS IS IS SC SC IS IS IS IS IS  
 

 
 
PRZ010-180815-  
MAYAGUEZ AND VICINITY-  
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,  
MOCA, RINCON, AND SAN GERMAN  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 71 78 83 83 88 90 73 77 83 80 86 87 69 75 82  
TEMP 84 81 80 79 78 84 87 88 83 81 79 78 77 82 85 86 81 78 77 76 75 83  
DEWPT 74 74 73 72 71 72 73 72 73 73 73 72 72 72 72 72 70 69 68 69 70 72  
RH 72 79 79 79 79 67 63 59 72 77 82 82 85 72 65 63 69 74 74 79 84 70  
WIND DIR SE E E E E E SE SE SE SE S E E SE E SE E E E E E E  
WIND SPD 10 8 6 8 8 10 13 13 11 6 5 5 4 8 10 9 10 8 9 9 10 11  
WIND GUST 20 19 24 21 25 24 19 20 19 29 21 20 26 24 24 21 21 21  
CLOUDS B1 CL CL CL CL FW FW SC SC FW FW SC SC FW FW SC SC SC SC SC SC SC  
POP 12HR 10 20 20 60 30  
QPF 12HR 0.02 0.18 0.08-0.29 0.09-0.54 0.07-0.30  
RAIN SHWRS NM IS IS SC SC IS IS IS IS IS IS SC SC IS IS SC SC IS  
TSTMS IS IS IS  
OBVIS H H H H H H  
HEAT INDEX 92 87 82 80 90 94 95 90 85 81 87 90 92 85 88  
MAX HEAT 101 94 93 99 97 91 92 95 93 89 93  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 75 87 75 88 77 87 77 87  
TEMP 88 79 76 82 87 79 76 83 88 81 78 83 87 80 77 82 87 80  
DEWPT 73 74 73 74 74 74 71 73 73 73 73 74 72 74 72 71 73 73  
PWIND DIR E NE SE SE SE SE E E E  
WIND CHAR GN LT LT LT GN LT GN LT LT  
AVG CLOUDS SC B1 SC SC SC SC SC SC SC B1 SC SC SC SC FW FW SC SC  
POP 12HR 60 10 50 10 60 10 40 10 50  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
TSTMS SC SC SC SC IS IS IS IS IS IS  
 

 
 
PRZ011-180815-  
SOUTHWEST-  
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 79 87 77 79 83 86 75 76 82  
TEMP 85 83 81 80 79 84 86 87 84 82 80 79 79 83 85 86 82 79 78 77 76 83  
DEWPT 75 75 74 74 73 74 75 74 74 74 74 74 74 74 74 73 73 71 70 72 73 74  
RH 72 77 79 82 82 72 70 65 72 77 82 85 85 74 70 65 74 77 76 85 90 74  
WIND DIR SE E E E E E SE SE SE SE E NE E E E E E E E E E E  
WIND SPD 13 10 9 9 11 14 18 17 12 8 8 6 8 9 14 13 13 12 13 11 12 14  
WIND GUST 24 24 25 24  
CLOUDS SC CL CL CL CL FW FW SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 20 20 30 40 30  
QPF 12HR 0.03 0.18 0.14-0.28 0.10-0.45 0.11  
RAIN SHWRS SC IS IS SC SC IS IS SC SC IS IS IS IS SC SC IS IS IS  
TSTMS IS IS IS  
OBVIS H H H H H H  
HEAT INDEX 94 89 87 84 82 92 95 96 91 87 85 81 81 90 93 93 87 90  
MAX HEAT 102 92 94 99 97 90 92 95 94 88 92  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 89 76 88 76 89 80 88 79 88  
TEMP 89 80 77 83 88 80 77 84 89 83 80 85 88 82 79 84 88 82  
DEWPT 73 75 73 73 75 75 72 74 73 74 75 75 74 75 73 72 74 74  
PWIND DIR E N SE E E E SE E E  
WIND CHAR GN LT LT LT GN GN BZ GN GN  
AVG CLOUDS SC SC SC SC FW SC SC SC SC SC SC SC FW SC FW FW SC SC  
POP 12HR 20 10 20 20 40 10 10 10 20  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS  
TSTMS IS IS IS  
 

 
 
PRZ012-180815-  
CULEBRA-  
INCLUDING THE CITY OF CULEBRA  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 82 88 80 87 81  
TEMP 86 84 83 82 82 86 87 88 85 82 81 81 80 84 87 87 85 83 81 81 81 85  
DEWPT 76 75 77 75 75 74 74 75 76 76 76 76 75 75 75 75 74 75 75 76 75 75  
RH 72 74 82 79 79 68 65 66 75 82 85 85 85 74 68 68 70 77 82 85 82 72  
WIND DIR SE SE E E E E E SE SE SE E SE E E E SE E SE E E E E  
WIND SPD 14 14 16 17 17 18 17 14 13 14 13 13 16 16 16 14 13 14 13 13 13 12  
CLOUDS FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 20 40 50 50 30  
QPF 12HR 0.08 0.20-0.28 0.26 0.16 0.15  
RAIN SHWRS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC IS IS SC SC SC SC IS  
OBVIS H H H H H H H  
HEAT INDEX 96 92 91 89 88 93 96 97 93 90 88 86 82 93 96 97 93 90 87 85 85 93  
MAX HEAT 102 94 96 101 99 91 94 100 99 91 96  
HIGH SURF Y Y Y Y Y  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 82 88 82 88 82 88 80 88  
TEMP 88 83 82 85 88 84 82 85 88 83 82 86 88 83 81 85 88 83  
DEWPT 74 76 76 74 75 75 74 75 76 77 76 76 76 75 75 75 75 74  
PWIND DIR E N S SE E E E E E  
WIND CHAR GN LT GN GN GN BZ BZ GN BZ  
AVG CLOUDS SC B1 B1 B1 B1 SC SC B1 B2 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 40 60 60 60 60 40 30 30 60  
RAIN SHWRS SC SC SC SC SC SC SC NM NM SC SC SC SC IS IS SC SC NM  
TSTMS IS IS SC SC SC IS IS IS IS  
 

 
 
PRZ013-180815-  
VIEQUES-  
INCLUDING THE CITY OF VIEQUES  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 81 89 80 87 80  
TEMP 86 84 82 81 81 86 88 89 85 82 81 80 80 84 86 87 84 82 81 80 80 85  
DEWPT 76 75 76 75 75 74 74 75 75 75 76 75 75 75 75 74 74 74 75 75 75 74  
RH 72 74 82 82 82 68 63 64 72 79 85 85 85 74 70 65 72 77 82 85 85 70  
WIND DIR E E E E E E SE SE SE SE E E E E E SE E SE E E E E  
WIND SPD 13 14 13 14 14 16 16 13 12 12 11 12 16 16 16 14 12 13 12 12 11 11  
CLOUDS FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 20 40 50 50 30  
QPF 12HR 0.08 0.28 0.26 0.14-0.41 0.15  
RAIN SHWRS IS IS IS SC SC SC SC SC SC SC SC IS IS SC SC SC SC IS  
TSTMS IS IS  
OBVIS H H H H H H H  
HEAT INDEX 97 91 90 88 88 94 97 99 94 90 87 85 82 92 95 96 92 89 87 85 85 93  
MAX HEAT 102 94 96 102 100 91 94 99 98 91 96  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 81 89 80 89 81 89 80 89  
TEMP 88 83 81 86 89 83 80 85 89 83 81 86 89 83 81 85 89 83  
DEWPT 74 75 76 74 75 74 74 74 75 77 76 75 75 75 75 75 74 73  
PWIND DIR E NW S SE E E E E E  
WIND CHAR GN LT LT GN GN BZ GN GN GN  
AVG CLOUDS SC SC B1 B1 SC SC SC B1 B2 B1 B1 B1 SC SC SC SC SC SC  
POP 12HR 40 50 50 60 60 40 30 30 60  
RAIN SHWRS IS SC SC SC SC SC SC NM NM SC SC SC SC SC SC SC SC NM  
TSTMS IS IS IS IS IS IS IS  
 

 
 
VIZ001-180815-  
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-  
INCLUDING THE CITIES OF ANNA'S RETREAT, CHARLOTTE AMALIE,  
CHARLOTTE AMALIE EAST, CHARLOTTE AMALIE WEST, AND CRUZ BAY  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 76 80 83 89 75 79 83 85 89 91 74 79 82  
TEMP 85 82 81 80 80 85 88 89 85 82 81 80 79 85 88 89 84 82 81 80 79 84  
DEWPT 74 75 75 74 74 73 73 74 75 75 75 75 74 74 74 73 74 75 74 74 73 74  
RH 70 79 82 82 82 67 61 61 72 79 82 85 85 70 63 59 72 79 79 82 82 72  
WIND DIR SE E E E E E SE SE SE SE E E E E E SE SE SE E E E E  
WIND SPD 14 16 16 14 17 16 16 14 13 13 13 13 16 14 16 14 12 12 12 13 14 11  
CLOUDS FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 20 40 50 50 30  
QPF 12HR 0.07 0.28 0.26 0.15 0.15  
RAIN SHWRS IS IS IS SC SC SC SC SC SC SC SC IS IS SC SC SC SC IS  
OBVIS H H H H H H H  
HEAT INDEX 93 89 87 84 84 93 96 98 93 88 86 83 82 92 97 97 92 88 85 83 81 92  
MAX HEAT 103 94 98 102 100 91 98 103 101 91 98  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 78 86 79 88 80 88 78 88  
TEMP 88 81 79 83 86 81 79 84 88 82 80 85 88 81 79 84 88 81  
DEWPT 73 75 74 73 74 75 72 75 75 75 75 75 75 74 74 74 74 73  
PWIND DIR E NW S SE E E E E E  
WIND CHAR GN LT GN GN BZ BZ BZ BZ BZ  
AVG CLOUDS SC B1 B1 B1 B2 SC SC B1 B2 B1 B1 SC SC SC FW SC SC SC  
POP 12HR 40 60 60 60 60 40 20 30 60  
RAIN SHWRS IS SC SC NM NM SC SC NM NM SC SC SC IS IS IS IS IS NM  
TSTMS IS IS SC SC SC IS IS IS IS  
 

 
 
VIZ002-180815-  
ST CROIX-  
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,  
FREDERIKSTED SOUTHEAST, AND GROVE PLACE  
149 PM AST TUE SEP 17 2019  
 
DATE 09/17/19 WED 09/18/19 THU 09/19/19 FRI  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 76 78 83 89 76 78 83 89 75 77 82  
TEMP 84 81 80 79 78 84 88 89 84 81 80 79 78 84 88 89 84 81 79 78 77 83  
DEWPT 74 74 74 74 73 73 74 74 75 75 74 74 74 74 73 75 74 75 75 74 74 76  
RH 72 79 82 85 85 70 63 61 74 82 82 85 88 72 61 64 72 82 88 88 90 80  
WIND DIR E E E E E E SE SE SE SE E E E E E SE SE E E E E E  
WIND SPD 14 14 14 14 16 16 14 14 13 11 12 12 16 16 17 14 13 12 11 10 11 10  
CLOUDS FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 20 30 50 50 20  
QPF 12HR 0.08 0.28 0.25 0.13 0.10  
RAIN SHWRS IS IS IS SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS  
OBVIS H H H H H H H  
HEAT INDEX 91 86 82 91 97 99 92 87 83 80 92 96 99 91 87 81 91  
MAX HEAT 100 90 93 101 99 90 94 102 100 91 94  
 
DATE 09/20 SAT 09/21/19 SUN 09/22/19 MON 09/23/19 TUE 09/24/19  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 76 87 79 90 78 89 76 89  
TEMP 88 80 77 82 87 81 79 85 90 82 79 84 89 80 77 84 89 80  
DEWPT 74 76 74 74 74 75 73 73 76 75 75 75 75 75 74 74 73 72  
PWIND DIR E W S E E E E E E  
WIND CHAR GN LT GN GN BZ BZ BZ GN GN  
AVG CLOUDS SC SC B1 B1 SC SC SC B1 B1 B1 SC SC SC SC FW SC SC B1  
POP 12HR 40 40 40 50 50 30 20 30 60  
RAIN SHWRS IS SC SC SC SC SC SC SC SC SC SC SC IS IS IS SC SC NM  
TSTMS IS IS IS IS IS IS IS IS IS IS  
 

 
 
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