708  
FOCA52 TJSJ 212029  
AFMSJU  
 
AREA FORECAST MATRICES  
NATIONAL WEATHER SERVICE SAN JUAN PR  
429 PM AST TUE NOV 21 2017  
 
PRZ001-220815-  
SAN JUAN AND VICINITY-  
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,  
SAN JUAN, TOA ALTA, TOA BAJA, AND TUJILLO ALTO  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 74 75 83 89 90 70 75 76 78 87 89 67 73 78  
TEMP 81 78 76 75 74 81 88 89 82 79 76 75 75 79 86 87 80 77 75 74 73 80  
DEWPT 70 70 70 69 69 71 72 71 72 72 70 69 70 72 75 74 74 76 75 73 73 76  
RH 69 76 82 82 84 72 59 56 72 79 82 82 84 79 70 65 82 97100 97100 88  
WIND DIR E SE SE SE SE SE SE E E SE S S S SE E E E SE SE SE SE E  
WIND SPD 9 6 5 5 5 5 8 9 9 5 4 4 3 3 8 10 10 6 6 6 6 8  
CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 10 20 30 20  
QPF 12HR 0.01 0.01-0.10 0.03 0.04-0.29 0.01-0.07  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC  
HEAT INDEX 84 84 94 94 86 81 82 94 95 84 84  
MAX HEAT 90 87 97 95 84 89 99 96 90 93  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 73 87 73 86 73 86  
TEMP 87 77 74 79 87 77 74 80 87 77 74 79 86 77 74 79 86 77  
DEWPT 74 73 72 73 72 74 73 74 74 73 72 72 71 71 71 72 71 70  
PWIND DIR E SE E SE SE SE E E E  
WIND CHAR GN LT GN LT GN LT GN GN LT  
AVG CLOUDS SC B1 SC B1 B1 FW FW SC SC SC SC B1 B1 B2 B1 B1 B2 B2  
POP 12HR 50 20 20 10 30 30 50 10 30  
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS SC IS SC SC IS IS IS SC  
TSTMS IS IS IS  
 

 
 
PRZ002-220815-  
NORTHEAST-  
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,  
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 62 72 76 77 85 89 66 74 76 73 84 89 64 73 78  
TEMP 79 76 74 73 72 79 84 85 80 77 75 74 74 78 83 84 79 76 75 74 73 78  
DEWPT 70 70 70 70 70 71 72 72 72 72 70 71 71 73 74 74 74 75 74 73 72 74  
RH 74 82 87 90 93 77 67 65 77 85 84 90 90 85 74 72 85 97 97 97 97 88  
WIND DIR E E SE E E SE SE E E E E E E E E E E E E E E E  
WIND SPD 9 8 8 8 8 8 9 9 8 5 5 5 5 8 10 11 11 9 9 9 8 10  
CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC B1 B1 B1 B1 B1  
POP 12HR 20 30 40 50 50  
QPF 12HR 0.02 0.03-0.11 0.05 0.07-0.27 0.07  
RAIN SHWRS IS IS IS IS IS IS IS SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC  
HEAT INDEX 81 81 90 91 84 80 90 91 82 82  
MAX HEAT 88 87 97 94 84 89 102 99 90 93  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 73 84 73 86 73 85 73 85  
TEMP 84 76 74 78 84 76 74 79 86 77 74 79 85 77 74 79 85 77  
DEWPT 74 73 73 73 73 74 73 75 74 73 71 72 71 71 71 70 71 70  
PWIND DIR E E E E SE SE E NE E  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS B1 SC B1 B1 B1 FW SC SC SC SC B1 B1 B1 B2 B1 B1 B1 B1  
POP 12HR 50 40 30 20 40 40 50 30 40  
RAIN SHWRS SC SC SC SC SC IS IS IS IS SC SC SC SC SC SC SC IS SC  
 

 
 
PRZ003-220815-  
SOUTHEAST-  
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,  
SALINAS, AND YABUCOA  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 63 71 75 78 85 88 66 72 75 74 85 91 65 73 80  
TEMP 78 75 73 72 71 78 84 85 79 76 74 73 73 78 83 84 79 76 75 74 73 78  
DEWPT 70 69 70 69 70 71 72 71 72 71 67 69 70 72 74 74 73 73 74 71 70 73  
RH 76 82 90 90 97 79 67 63 79 85 79 87 90 82 74 72 82 90 97 90 90 85  
WIND DIR E NE E E NE E E SE E NE NE NE NE E E E E NE NE NE NE NE  
WIND SPD 9 8 8 8 8 9 10 9 6 6 6 6 6 8 10 12 10 8 9 9 9 10  
CLOUDS FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 10 20 20 20  
QPF 12HR 0.01 0.02 0.03 0.03-0.25 0.01-0.07  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 89 91 81 80 90 91 82 82  
MAX HEAT 87 86 96 93 84 91 103 100 91 94  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 72 85 72 84 73 84 71 85  
TEMP 85 76 73 78 85 76 73 78 84 76 74 78 84 75 72 78 85 76  
DEWPT 74 72 72 73 72 73 72 74 73 71 71 72 71 71 70 70 70 70  
PWIND DIR E E E E SE E E NE NE  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS SC B1 SC B1 SC FW FW SC SC SC SC SC B1 B2 B1 B1 B1 B1  
POP 12HR 40 20 20 10 30 30 40 10 30  
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS SC IS SC SC IS IS IS SC  
 

 
 
PRZ004-220815-  
EASTERN INTERIOR-  
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,  
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 63 70 75 78 84 88 66 72 75 74 82 87 64 70 76  
TEMP 77 74 72 71 70 77 83 84 78 76 72 72 72 76 81 82 76 74 72 71 70 76  
DEWPT 68 68 68 68 68 70 71 70 70 70 66 67 69 70 73 73 72 72 72 69 69 72  
RH 74 82 87 90 93 79 67 63 76 82 81 84 90 82 77 74 87 93100 93 97 87  
WIND DIR E SE SE SE SE SE SE SE E E SE S E E E E E E E E E E  
WIND SPD 8 5 5 5 5 6 9 8 6 4 4 3 4 5 8 10 9 5 5 5 5 8  
CLOUDS SC FW FW FW SC SC SC SC SC FW SC SC SC SC SC B1 B1 SC SC SC SC SC  
POP 12HR 10 10 20 40 20  
QPF 12HR 0.01 0.01-0.10 0.02 0.08-0.27 0.01-0.07  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS IS IS IS IS  
HEAT INDEX 88 89 85 87  
MAX HEAT 86 85 95 92 86 100 96 88  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 82 70 82 70 83 71 83 70 83  
TEMP 82 74 71 76 82 74 71 76 83 74 72 76 83 74 71 76 83 74  
DEWPT 73 71 70 72 70 72 71 73 73 71 70 71 70 70 69 70 70 69  
PWIND DIR E E E E SE SE SE NE E  
WIND CHAR GN LT GN LT GN LT GN LT LT  
AVG CLOUDS SC B1 SC B1 SC FW FW SC SC SC SC B1 B1 B2 B1 B1 B2 B2  
POP 12HR 40 20 20 20 40 40 50 10 30  
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS SC IS SC SC IS IS IS SC  
TSTMS IS  
 

 
 
PRZ005-220815-  
NORTH CENTRAL-  
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,  
MANATI, VEGA ALTA, AND VEGA BAJA  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 69 73 75 88 70 74 76 79 86 89 67 71 76  
TEMP 81 78 76 74 73 80 87 88 81 78 74 74 74 78 85 86 79 76 73 72 71 78  
DEWPT 72 69 68 67 67 69 72 72 73 72 70 68 67 69 77 75 74 73 73 72 71 74  
RH 74 74 76 79 81 69 61 59 77 82 87 82 79 74 77 70 85 90100100100 88  
WIND DIR E SE SE SE SE SE E NE NE SE S S S E NE NE E SE SE SE SE E  
WIND SPD 10 8 6 6 6 5 6 10 9 5 5 5 4 3 6 11 9 6 6 6 6 9  
CLOUDS SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 5 10 5 10 10  
QPF 12HR 0 0.01-0.12 0.01 0.03-0.20 0.01  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
HEAT INDEX 85 83 93 95 86 95 95 81 80  
MAX HEAT 91 86 98 96 86 103 98 88  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 70 87 70 87 71 87 71 86  
TEMP 86 75 71 78 86 75 71 78 87 76 72 79 86 76 72 78 86 76  
DEWPT 75 73 71 73 72 73 70 73 74 73 71 71 71 71 70 71 72 70  
PWIND DIR E SE E SE E SE E E E  
WIND CHAR GN LT GN GN GN LT LT GN LT  
AVG CLOUDS SC B1 SC SC B1 FW FW FW SC B1 SC B1 B2 B2 B2 B2 B2 B2  
POP 12HR 50 10 20 10 30 10 50 10 30  
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS IS IS SC SC IS IS SC SC  
TSTMS IS IS IS IS IS IS  
 

 
 
PRZ006-220815-  
CENTRAL INTERIOR-  
INCLUDING THE CITIES OF AIBONITO, BARANQUITAS, CIALES, COAMO,  
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 62 68 74 77 84 89 62 70 74 72 81 89 61 68 75  
TEMP 76 73 70 69 68 76 83 84 77 74 71 70 70 74 80 81 75 72 70 69 68 74  
DEWPT 67 65 65 65 65 67 69 68 69 69 63 65 66 69 72 72 71 69 69 69 67 69  
RH 74 76 84 87 90 74 63 59 76 84 76 84 87 84 77 74 87 90 97100 97 84  
WIND DIR E SE E SE SE SE SE SE SE E E E E E E E E E E E E E  
WIND SPD 6 8 8 8 8 8 8 8 5 5 5 5 5 5 6 9 6 5 6 8 8 9  
CLOUDS SC CL CL CL FW FW FW SC SC FW FW FW FW FW FW B1 B1 FW FW FW FW FW  
POP 12HR 5 10 5 40 10  
QPF 12HR 0 0.01-0.12 0 0.03-0.36 0.01  
RAIN SHWRS IS IS IS IS SC SC IS IS IS IS IS  
TSTMS IS IS  
HEAT INDEX 86 87 83 85  
MAX HEAT 88 85 96 93 86 102 99 87  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 81 68 81 67 81 69 81 68 80  
TEMP 81 72 69 74 81 72 68 74 81 72 70 75 81 72 69 74 80 71  
DEWPT 72 70 68 70 68 70 68 71 71 70 68 69 69 69 67 68 69 68  
PWIND DIR E E SE E SE SE SE E E  
WIND CHAR GN LT GN LT GN LT LT GN LT  
AVG CLOUDS SC B1 SC SC B1 FW FW FW SC B1 SC SC B1 B2 B2 B2 B2 B2  
POP 12HR 50 10 30 20 20 10 50 10 50  
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS IS IS SC SC IS IS SC SC  
TSTMS IS IS IS IS IS IS  
 

 
 
PRZ007-220815-  
PONCE AND VICINITY-  
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,  
PONCE, AND SANTA ISABEL  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 61 70 74 77 86 89 62 70 73 73 86 93 62 71 77  
TEMP 78 75 73 71 70 78 85 86 78 75 73 72 71 78 85 86 79 76 74 72 71 79  
DEWPT 70 67 65 66 67 68 70 70 71 71 66 64 68 70 74 75 74 72 71 72 69 70  
RH 76 76 76 84 90 71 61 59 79 87 79 76 90 76 70 70 85 87 90100 93 74  
WIND DIR SE NE NE NE NE E SE SE SE NE NE NE NE E SE SE E NE NE NE NE E  
WIND SPD 9 8 9 9 9 9 10 9 6 5 6 6 8 8 9 11 6 6 8 9 10 11  
CLOUDS FW CL CL CL FW FW FW SC SC FW FW FW FW FW FW B1 B1 FW FW FW FW FW  
POP 12HR 5 10 5 30 10  
QPF 12HR 0 0.01-0.08 0.01 0.03-0.40 0.01  
RAIN SHWRS IS IS IS IS IS IS IS IS IS SC SC IS IS IS IS IS  
TSTMS IS IS  
HEAT INDEX 80 90 91 80 80 93 95 83 81  
MAX HEAT 88 85 96 93 88 106 102 86 88  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 86 70 84 72 84 70 85  
TEMP 86 76 72 78 86 75 71 77 84 75 73 78 84 74 71 77 85 74  
DEWPT 72 71 70 71 70 72 70 72 70 71 69 70 71 69 68 69 69 69  
PWIND DIR E E SE E SE E SE NE E  
WIND CHAR GN GN GN GN GN GN GN GN LT  
AVG CLOUDS SC B1 SC SC SC FW FW FW SC SC SC SC B1 B1 B1 B1 B2 B2  
POP 12HR 40 10 10 10 20 10 40 10 50  
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS IS IS SC SC IS IS SC SC  
TSTMS IS IS  
 

 
 
PRZ008-220815-  
NORTHWEST-  
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,  
AND QUEBRADILLAS  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 69 72 75 87 73 78 81 87 65 70 77  
TEMP 80 77 75 73 72 79 86 87 80 77 73 73 73 75 80 81 76 73 72 71 70 75  
DEWPT 73 71 66 65 65 68 71 73 74 73 70 67 65 69 75 75 73 71 70 70 69 69  
RH 79 82 74 76 79 69 61 63 82 87 90 81 76 82 85 82 90 93 93 97 97 82  
WIND DIR E SE SE SE SE E E NE NE E SE SE SE E NE NE NE E SE SE E E  
WIND SPD 10 8 9 8 8 6 6 8 6 5 5 6 5 4 8 11 5 4 6 8 8 9  
CLOUDS B1 CL CL CL FW FW FW B1 B1 SC FW FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 5 40 5 10 10  
QPF 12HR 0 0.05-0.17 0 0.03-0.13 0.01  
RAIN SHWRS SC SC SC IS IS IS IS IS IS IS IS  
HEAT INDEX 83 80 91 94 84 83 85  
MAX HEAT 90 85 97 94 86 101 97 86 87  
FLASH FLOOD A A A A A A A A  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 81 69 81 67 85 70 86 72 84  
TEMP 81 73 70 75 81 72 68 76 85 75 71 78 86 76 73 78 84 76  
DEWPT 74 72 69 72 72 71 68 73 73 73 71 70 72 71 70 70 72 71  
PWIND DIR E SE E SE E SE NE E E  
WIND CHAR GN LT GN LT LT LT LT GN GN  
AVG CLOUDS SC B2 SC B1 B1 SC FW FW FW B1 B1 B1 B2 B2 B2 B2 B2 B2  
POP 12HR 50 10 40 10 30 10 50 10 30  
RAIN SHWRS SC SC IS IS SC SC IS IS IS IS IS IS SC SC IS IS SC SC  
TSTMS IS IS IS IS IS IS IS  
 

 
 
PRZ009-220815-  
WESTERN INTERIOR-  
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,  
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 62 68 74 78 86 90 64 70 73 74 81 89 63 68 74  
TEMP 77 73 71 69 68 77 84 85 78 75 71 70 70 74 80 81 75 72 70 69 68 74  
DEWPT 71 67 62 62 63 65 68 69 71 71 68 63 65 67 73 73 71 70 69 68 67 68  
RH 82 81 73 78 84 67 59 59 79 87 90 78 84 79 79 77 87 93 97 97 97 82  
WIND DIR SE SE SE E E E SE SE E SE SE SE SE E NE NE E SE E E E E  
WIND SPD 6 6 8 9 8 6 6 6 4 3 5 5 6 5 6 9 4 3 6 8 8 10  
CLOUDS SC CL CL CL FW FW FW B1 B1 FW CL CL CL FW FW B1 B1 FW FW FW FW FW  
POP 12HR 5 40 5 50 10  
QPF 12HR 0 0.01-0.16 0 0.05-0.40 0.01  
RAIN SHWRS SC SC SC IS SC SC IS IS IS IS IS  
TSTMS IS IS  
HEAT INDEX 87 90 84 86  
MAX HEAT 90 85 97 95 84 103 100 85  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 81 68 81 66 81 69 83 68 81  
TEMP 81 72 69 74 81 71 67 73 81 73 70 76 82 72 69 74 81 72  
DEWPT 72 71 68 70 69 70 67 71 70 71 68 68 71 69 67 68 70 69  
PWIND DIR E E SE E SE SE SE E E  
WIND CHAR GN LT GN GN GN LT LT GN LT  
AVG CLOUDS SC B1 SC SC B1 SC FW FW FW B1 SC B1 B2 B2 B2 B2 B2 B2  
POP 12HR 50 10 30 10 30 10 50 10 50  
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS IS IS SC SC IS IS SC SC  
TSTMS IS IS IS IS IS IS IS IS IS  
 

 
 
PRZ010-220815-  
MAYAGUEZ AND VICINITY-  
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,  
MOCA, RINCON, AND SAN GERMAN  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 64 73 79 81 88 90 66 73 80 77 85 90 66 72 78  
TEMP 80 77 75 74 73 80 87 88 81 78 74 74 73 78 84 85 79 76 74 73 72 78  
DEWPT 73 72 67 66 65 67 70 71 73 73 71 68 67 70 75 76 74 73 72 71 70 70  
RH 79 85 76 76 76 65 57 57 77 85 90 82 81 76 74 75 85 90 93 93 93 76  
WIND DIR S E E E E E SE N N E E E E E NE W E E E E E E  
WIND SPD 5 5 9 8 8 6 5 6 4 4 5 5 6 6 5 8 4 4 5 8 8 9  
CLOUDS SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW B1 B1 FW FW FW FW FW  
POP 12HR 5 30 20 40 10  
QPF 12HR 0 0.01-0.17 0.01 0.03-0.38 0.01  
RAIN SHWRS SC IS IS IS SC SC IS SC SC IS IS IS IS IS  
TSTMS IS IS  
HEAT INDEX 84 82 92 94 85 92 94 82 80  
MAX HEAT 91 84 86 97 96 86 88 105 102 87 89  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 71 85 70 84 72 86 73 85  
TEMP 85 76 72 78 85 74 71 77 84 76 73 79 86 77 74 79 85 77  
DEWPT 74 73 71 72 71 73 71 73 71 73 72 71 73 71 70 70 72 71  
PWIND DIR E E SE E SE E E NE E  
WIND CHAR GN LT GN GN GN LT LT GN GN  
AVG CLOUDS SC B1 SC SC B1 SC FW FW FW SC B1 B1 B2 B2 B2 B2 B2 B2  
POP 12HR 50 10 40 10 20 10 40 10 40  
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS IS IS SC SC IS IS SC SC  
TSTMS IS IS IS IS IS IS  
 

 
 
PRZ011-220815-  
SOUTHWEST-  
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 73 89 72 81 88 91 67 72 77  
TEMP 80 77 75 74 73 80 87 88 80 77 73 73 72 79 86 87 80 77 74 73 72 79  
DEWPT 72 71 68 67 67 69 72 72 72 73 70 68 67 70 76 77 75 75 73 72 71 71  
RH 77 82 79 79 81 69 61 59 77 87 90 84 84 74 72 72 85 94 97 97 97 77  
WIND DIR SE E E E E E SE SE E NE E NE NE NE SE W E NE NE E E E  
WIND SPD 11 9 9 10 9 9 11 11 6 5 5 6 6 5 8 9 5 6 8 9 8 9  
CLOUDS FW CL CL CL FW FW FW SC SC SC FW FW FW FW FW B1 B1 FW FW FW FW FW  
POP 12HR 5 10 5 30 10  
QPF 12HR 0 0.01 0.01 0.03-0.34 0.01  
RAIN SHWRS IS IS IS IS IS IS IS IS IS SC SC IS IS IS IS IS  
TSTMS IS IS  
HEAT INDEX 84 83 94 95 84 80 96 99 84 81  
MAX HEAT 90 85 98 94 86 106 102 86 88  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 71 88 70 86 72 88 74 88  
TEMP 87 76 72 79 87 75 71 77 86 76 73 80 88 78 75 81 88 78  
DEWPT 74 73 71 73 72 73 71 73 72 73 71 72 73 71 70 70 70 71  
PWIND DIR E E SE E SE E E NE E  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC SC SC SC SC FW FW FW SC B1 B1 B1 B2 B1 B1 B2 B1  
POP 12HR 20 10 10 10 10 10 30 10 50  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS SC IS IS SC SC  
TSTMS IS IS  
 

 
 
PRZ012-220815-  
CULEBRA-  
INCLUDING THE CITY OF CULEBRA  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 75 86 76 84 71 77 78  
TEMP 80 78 77 76 75 80 85 86 81 79 77 77 77 80 83 84 81 79 78 77 77 81  
DEWPT 72 72 73 73 73 73 73 73 74 74 76 75 74 75 74 74 77 76 76 75 75 76  
RH 77 82 87 90 94 79 67 65 79 85 97 94 90 85 74 72 88 91 94 94 94 85  
WIND DIR E E E E E E E E E E E E E E E E E E E E E E  
WIND SPD 11 12 13 13 12 12 10 9 8 9 12 11 11 12 12 13 14 14 14 13 13 14  
CLOUDS FW SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC SC B1 B1 B1 B1 B1  
POP 12HR 20 30 50 50 50  
QPF 12HR 0.02 0.08 0.06 0.18 0.07  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC SC SC SC SC IS IS SC SC SC SC SC  
HEAT INDEX 84 83 92 93 87 81 83 90 92 87 83 86  
MAX HEAT 87 86 95 94 87 94 94 88 90  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 76 85 76 84 76 85 79 86  
TEMP 85 79 76 80 85 78 76 80 84 79 77 80 85 81 79 82 86 80  
DEWPT 75 75 75 75 75 76 75 75 75 75 74 73 73 73 72 71 71 72  
PWIND DIR E E E E SE E E E E  
WIND CHAR BZ BZ GN GN GN GN GN BZ GN  
AVG CLOUDS SC SC B2 B1 SC SC SC SC SC SC B1 B1 B2 B2 B1 B1 B1 SC  
POP 12HR 50 40 30 10 10 10 40 30 30  
RAIN SHWRS SC SC SC SC SC IS IS IS IS IS IS IS SC SC SC SC SC SC  
 

 
 
PRZ013-220815-  
VIEQUES-  
INCLUDING THE CITY OF VIEQUES  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 85 75 78 83 90 71 75 79  
TEMP 80 77 76 75 74 79 84 85 81 78 76 76 76 78 82 83 79 77 76 75 75 79  
DEWPT 72 72 72 72 72 73 73 73 73 74 73 73 73 74 73 74 76 75 74 74 74 75  
RH 77 85 87 90 93 82 70 67 77 88 90 90 90 88 74 74 91 94 94 97 97 88  
WIND DIR E E E E E E E E E E E E E E E E E E E NE E E  
WIND SPD 10 11 12 12 11 11 10 9 8 9 10 10 11 11 12 13 13 14 13 13 12 14  
CLOUDS FW SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC SC B1 B1 B1 B1 B1  
POP 12HR 20 30 50 50 50  
QPF 12HR 0.02 0.04 0.06 0.07-0.19 0.07  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC SC SC SC SC IS IS SC SC SC SC SC  
HEAT INDEX 83 81 91 93 85 86 88 81 81  
MAX HEAT 87 84 94 93 84 89 98 97 88 93  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 83 74 83 75 86 75 87 78 86  
TEMP 83 77 75 78 83 77 75 80 86 78 76 81 87 81 79 82 86 80  
DEWPT 74 74 74 74 75 75 74 75 75 74 73 73 73 73 72 71 71 71  
PWIND DIR E E E E SE E E E E  
WIND CHAR BZ BZ BZ GN GN GN GN BZ GN  
AVG CLOUDS SC SC B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 B1 B1 B1 B1  
POP 12HR 50 40 30 20 30 30 40 10 50  
RAIN SHWRS SC SC SC SC SC IS IS IS IS SC SC SC SC SC IS IS IS SC  
 

 
 
VIZ001-220815-  
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  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 79 86 73 77 80 83 70 75 80  
TEMP 80 78 77 76 75 80 85 86 82 80 77 77 77 78 82 83 79 77 76 76 75 80  
DEWPT 71 72 72 72 72 73 73 73 74 74 74 73 73 74 74 75 75 75 73 73 74 75  
RH 74 82 85 87 90 79 67 65 77 82 90 87 87 88 77 77 88 94 90 90 97 85  
WIND DIR E E E E E E E E E E E E E E E E E E E E E E  
WIND SPD 11 12 13 13 12 11 10 9 9 9 11 11 12 12 12 14 14 16 14 13 13 14  
CLOUDS FW SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC SC B1 B1 B1 B1 B1  
POP 12HR 20 30 50 50 50  
QPF 12HR 0.02 0.06 0.06 0.07-0.17 0.07  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC SC SC SC SC IS IS SC SC SC SC SC  
HEAT INDEX 83 83 91 93 87 82 80 88 91 82 83  
MAX HEAT 88 84 86 95 94 88 89 98 96 89 93  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 74 84 74 85 75 86 78 85  
TEMP 85 77 75 79 84 77 75 79 85 78 76 80 86 80 78 81 85 79  
DEWPT 73 74 73 74 74 74 74 74 75 74 73 73 73 72 71 71 70 71  
PWIND DIR E E E E SE E E E E  
WIND CHAR GN BZ BZ GN GN GN GN BZ GN  
AVG CLOUDS B1 SC B2 B1 SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC  
POP 12HR 50 40 30 10 10 10 20 30 40  
RAIN SHWRS SC SC SC SC SC IS IS IS IS IS IS IS IS IS SC SC IS SC  
 

 
 
VIZ002-220815-  
ST CROIX-  
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,  
FREDERIKSTED SOUTHEAST, AND GROVE PLACE  
429 PM AST TUE NOV 21 2017  
 
DATE 11/21/17 WED 11/22/17 THU 11/23/17 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 86 74 78 84 90 71 76 81  
TEMP 81 78 76 75 74 80 85 86 80 78 76 76 75 79 83 84 80 79 77 77 76 81  
DEWPT 72 72 72 72 72 73 73 73 73 74 73 74 74 74 75 76 75 74 73 75 75 74  
RH 74 82 87 90 93 79 67 65 79 88 90 94 97 85 77 77 85 85 87 94 97 79  
WIND DIR E E E E E E E E E E E E E E E E E NE E E E E  
WIND SPD 11 12 13 12 12 11 11 10 10 9 11 11 12 13 13 14 13 13 13 12 12 16  
CLOUDS FW SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC SC B1 B1 B1 B1 B1  
POP 12HR 20 30 50 50 50  
QPF 12HR 0.02 0.04 0.06 0.07-0.17 0.07  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC SC SC SC SC IS IS SC SC SC SC SC  
HEAT INDEX 86 83 92 93 84 82 90 92 85 81 86  
MAX HEAT 90 86 95 93 90 92 102 101 91 95  
 
DATE 11/24 SAT 11/25/17 SUN 11/26/17 MON 11/27/17 TUE 11/28/17  
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 75 85 75 88 76 89 79 86  
TEMP 86 79 76 80 85 78 76 81 88 79 77 82 89 82 80 82 86 80  
DEWPT 74 74 75 74 75 75 75 75 75 73 72 74 74 73 72 71 71 72  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ BZ GN GN GN BZ GN  
AVG CLOUDS B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC B1 B1 B1 B1  
POP 12HR 50 40 30 10 30 30 10 20 40  
RAIN SHWRS SC SC SC SC SC IS IS IS IS SC SC SC IS IS IS IS SC SC  
 

 
 
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