Point Forecast Matrices
Issued by NWS Tiyan, Guam

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FOMY50 PGUM 180550
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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE TIYAN GU
341 PM CHST FRI OCT 18 2024

GUZ001-181800-
GUAM INTERNATIONAL AIRPORT-TIYAN GU
13.48N 144.79E ELEV. 248 FT
341 PM CHST FRI OCT 18 2024

DATE          FRI 10/18/24      SAT 10/19/24            SUN 10/20/24         MON
CHST3HRLY     13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
UTC 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MIN/MAX                      76          87          77          86          77
TEMP             85 83 81 78 76 77 82 87 86 84 81 79 77 78 82 86 85 83 81 79 77
DEWPT            76 76 77 76 76 76 76 77 77 77 76 77 77 77 76 76 77 77 77 77 77
RH               75 80 88 94100 97 82 72 75 80 85 94100 97 82 72 77 82 88 94100
WIND DIR          E  E  E  E  E SE  S  S SW  S  S SW SW SW SW SW SW SW SW SW SW
WIND SPD          5  6  9  9  6  2  4  5  4  3  2  2  3  4  9  6  6  4  4  4  3
CLOUDS           OV B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     60          60          60          60          60
QPF 12HR                   0.33        0.44        0.46        0.47        0.43
RAIN SHWRS        L  C  C  L  L  L  L  L  L  L  L  L  L  C  C  C  C  L  L  L  L
TSTMS             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       95 92 87          90 97 97 93 88          90 96 96 93 88
MAX HEAT         96    94    85    90    97    96    86    90    96    95    87


DATE           10/21/24  TUE 10/22/24  WED 10/23/24  THU 10/24/24  FRI 10/25/24
CHST6HRLY     10 16 22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     00 06 12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MAX/MIN          86      77    85      77    86      77    85      77    86
TEMP          82 85 81   78 82 84 80   77 82 85 81   77 82 85 81   77 82 85
DEWPT         77 78 78   77 78 78 78   77 77 78 78   77 78 78 78   77 78 77
PWIND DIR        SW      SW     S      SW     S      SW    SW      SW    SW
WIND CHAR        GN      GN    GN      GN    GN      GN    BZ      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 OV   OV OV B2 OV   OV B2 B2 OV   OV OV OV
POP 12HR         60      50    60      60    60      60    60      60    60
RAIN SHWRS     L  C  C    C  L  L  L    L  L  L  L    L  L  C  L    L  L  L
TSTMS          S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MPZ001-181800-
ROTA INTERNATIONAL AIRPORT-SINAPALU MP
14.17N 145.23E ELEV. 592 FT
341 PM CHST FRI OCT 18 2024

DATE          FRI 10/18/24      SAT 10/19/24            SUN 10/20/24         MON
CHST3HRLY     13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
UTC 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MIN/MAX                      76          85          76          84          76
TEMP             84 82 80 78 76 77 81 85 84 82 80 78 77 77 81 84 83 82 80 78 76
DEWPT            76 76 77 77 76 76 75 75 75 75 76 76 75 75 75 75 75 75 76 76 76
RH               77 82 91 97100 97 82 72 74 79 88 94 94 94 82 74 77 79 88 94100
WIND DIR          E  E  E  E  E  E SE SE SE SE SE  S  S  S  S SW SW SW SW  W SW
WIND SPD         11 14 12 10  8  8  8  6  6  6  5  5  4  4  6  8  5  4  4  5  5
CLOUDS           OV B2 B2 OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     70          60          60          60          60
QPF 12HR                   0.69        0.40        0.31        0.28        0.31
RAIN SHWRS        L  C  C  L  L  L  L  L  L  L  L  L  L  C  C  C  C  L  L  L  L
TSTMS             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       92 89 85          87 93 92 90 86          87 91 91 88 84
MAX HEAT         93    91          87    93    91    84    87    91    90


DATE           10/21/24  TUE 10/22/24  WED 10/23/24  THU 10/24/24  FRI 10/25/24
CHST6HRLY     10 16 22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     00 06 12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MAX/MIN          84      77    84      76    85      77    84      77    85
TEMP          81 84 80   77 81 83 80   76 81 84 80   77 81 83 80   77 81 84
DEWPT         76 76 77   77 77 76 77   76 77 77 77   77 77 76 77   76 76 76
PWIND DIR        SW       S     S       S     S       S     S      SW    SW
WIND CHAR        LT      GN    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B2 B2 B2   B2 B2 B2 OV   OV OV B2 OV   OV B2 B2 OV   OV OV OV
POP 12HR         60      50    60      60    60      60    60      60    60
RAIN SHWRS     L  C  C    C  L  L  L    L  L  L  L    L  L  C  L    L  L  L
TSTMS          S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MPZ002-181800-
TINIAN-SAN JOSE MP
14.97N 145.63E ELEV. 74 FT
341 PM CHST FRI OCT 18 2024

DATE          FRI 10/18/24      SAT 10/19/24            SUN 10/20/24         MON
CHST3HRLY     13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
UTC 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MIN/MAX                      77          85          78          85          78
TEMP             84 82 81 79 78 78 82 85 85 83 81 79 78 79 82 84 84 83 81 79 78
DEWPT            78 77 77 77 77 78 78 78 77 77 77 77 77 77 77 77 76 77 77 77 77
RH               82 85 88 94 97100 88 80 77 82 88 94 97 94 85 80 77 82 88 94 97
WIND DIR          E  E  E  E  E  E  E SE  E  E  E SE SE  E  E SE SE SW SW SW SW
WIND SPD         18 17 13 13 11 14 18 13 11 12 10  9  8  9 10  6  2  4  4  4  3
CLOUDS           OV B2 B2 OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     70          60          60          60          60
QPF 12HR                   0.63        0.61        0.35        0.33        0.41
RAIN SHWRS        L  C  C  L  L  L  L  L  L  L  L  L  L  C  C  C  C  L  L  L  L
TSTMS             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       94 91 88          91 96 95 92 88 84       90 94 93 91 88 84
MAX HEAT         95    93    87    91    96    94    87    90    94    93    87


DATE           10/21/24  TUE 10/22/24  WED 10/23/24  THU 10/24/24  FRI 10/25/24
CHST6HRLY     10 16 22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     00 06 12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MAX/MIN          85      79    85      79    85      78    85      78    85
TEMP          82 84 82   79 82 84 81   79 83 85 82   79 82 84 81   79 83 85
DEWPT         78 77 77   78 79 78 78   78 79 79 78   77 78 78 77   76 77 78
PWIND DIR        SW       S     S       S    SE       S     S       S     S
WIND CHAR        LT      GN    GN      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 OV   OV OV B2 OV   OV B2 B2 OV   OV OV B2
POP 12HR         60      50    60      60    60      60    60      60    60
RAIN SHWRS     L  C  C    C  L  L  L    L  L  L  L    L  L  C  L    L  L  L
TSTMS          S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MPZ003-181800-
SAIPAN INTERNATIONAL AIRPORT-OBYAN MP
15.11N 145.72E ELEV. 215 FT
341 PM CHST FRI OCT 18 2024

DATE          FRI 10/18/24      SAT 10/19/24            SUN 10/20/24         MON
CHST3HRLY     13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
UTC 3HRLY     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18

MIN/MAX                      78          87          78          86          78
TEMP             85 84 81 79 78 79 83 86 86 84 82 80 78 79 83 86 85 84 81 79 78
DEWPT            78 78 78 78 78 78 78 78 77 77 78 78 77 78 78 77 77 77 78 78 78
RH               80 82 91 97100 97 85 77 75 80 88 94 97 97 85 75 77 80 91 97100
WIND DIR          E  E  E  E  E  E  E SE  E  E  E SE SE  E  E  E  E  S SW SW SW
WIND SPD         19 18 14 13 12 18 18 13 12 12 10 10  8 10 10  6  4  2  3  3  2
CLOUDS           OV B2 B2 OV OV B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 OV OV OV OV
POP 12HR                     70          60          60          60          60
QPF 12HR                   0.63        0.61        0.37        0.35        0.46
RAIN SHWRS        L  C  C  L  L  L  L  L  L  L  L  L  L  C  C  C  C  L  L  L  L
TSTMS             S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       97 94 90 85       93 99 97 94 90 85       92 97 95 93 89 84
MAX HEAT         98    96    89    93    99    96    89    92    97    95    88


DATE           10/21/24  TUE 10/22/24  WED 10/23/24  THU 10/24/24  FRI 10/25/24
CHST6HRLY     10 16 22   04 10 16 22   04 10 16 22   04 10 16 22   04 10 16
UTC 6HRLY     00 06 12   18 00 06 12   18 00 06 12   18 00 06 12   18 00 06

MAX/MIN          86      78    86      78    87      78    86      78    87
TEMP          83 85 82   79 83 85 82   79 83 86 82   79 83 85 82   79 83 86
DEWPT         78 78 78   78 79 79 78   79 79 79 78   78 78 78 78   77 78 78
PWIND DIR        SW       S     S       S    SE      SE     S       S     S
WIND CHAR        LT      GN    GN      BZ    BZ      GN    BZ      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 OV   OV OV B2 OV   OV B2 B2 OV   OV OV B2
POP 12HR         60      50    60      60    60      60    60      60    60
RAIN SHWRS     L  C  C    C  L  L  L    L  L  L  L    L  L  C  L    L  L  L
TSTMS          S  S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$