Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
529 PM EDT Mon Jul 24 2017

SCZ050-250900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
529 PM EDT Mon Jul 24 2017

Date           07/24/17      Tue 07/25/17            Wed 07/26/17            Thu
EDT 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          88          75          86          73
Temp             80 78 77 76 78 84 87 86 82 78 77 75 77 82 85 84 80 77 75 74 76
Dewpt            75 75 75 74 75 75 75 75 75 75 75 75 75 75 75 75 75 74 74 73 74
RH               85 91 94 94 91 74 68 70 79 91 94100 94 79 72 74 85 90 97 97 94
Wind dir          S SW SW SW SW SW SW  S SW SW SW  W  W  E SE SE SE SE SE SE NE
Wind spd          9  6  5  3  6  6  6  8  6  4  2  1  1  3  5  5  4  4  2  2  2
Clouds           B2 B1 B1 SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     40          50          40          70          60
QPF 12hr                   0.11        0.24        0.11        0.42        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S  S  S  C  C  C  C  C  C  C  C  C  L  L  L  L  L  C  C  C
Tstms             C  S  S  S  C  C  C  C  C  C  C  C  C  L  L  L  L  L  C  C  C
Heat index                      92 96 95                   94 92
Max heat         96                96    96                94    94


Date           07/27  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 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    91      76    88      75    88      76    89
Temp          88 83   78 80 91 83   78 77 88 80   76 77 88 82   77 77 89 82
Dewpt         75 75   74 74 73 74   74 74 75 75   74 72 74 74   74 74 74 75
PWind dir        SE      SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B2 B2 B2 B2
PoP 12hr         40      20    40      20    50      40    50      40    30
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
GAZ118-250900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
529 PM EDT Mon Jul 24 2017

Date           07/24/17      Tue 07/25/17            Wed 07/26/17            Thu
EDT 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          89          74          87          73
Temp             82 79 77 75 77 84 88 86 82 78 76 75 76 83 86 85 80 77 75 74 76
Dewpt            75 74 74 73 74 74 75 75 76 76 75 75 75 76 76 75 75 75 74 74 75
RH               79 85 90 94 90 72 66 70 82 94 97100 97 80 72 72 85 94 97100 97
Wind dir          S SW SW SW SW SW SW  S  S SW SW SW SW  S SE SE  S SE SE SW SE
Wind spd          9  5  5  4  6  6  6  6  4  3  1  1  1  3  5  5  4  4  3  3  3
Clouds           B1 B1 SC SC B1 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
PoP 12hr                     50          60          40          60          60
QPF 12hr                   0.27        0.27        0.06        0.30        0.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  C  C  C  C  L  C  C  C  C  C  L  L  L  L  L  C  C  C
Tstms             C  C  S  C  C  C  C  L  C  C  C  C  C  L  L  L  L  L  C  C  C
Heat index                      91 98 95                91 96 94
Max heat        102                98    98                96    95


Date           07/27  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 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      75    93      75    89      75    89      75    89
Temp          88 82   77 77 93 85   78 77 88 81   76 76 89 83   77 77 89 82
Dewpt         75 75   74 74 74 74   74 75 74 75   73 73 74 74   74 74 72 75
PWind dir         S      SW    SW      SW     W      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B2 B1   B1 SC B1 B1   B1 B1 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2
PoP 12hr         50      20    40      20    50      40    50      40    30
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ050-250900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
529 PM EDT Mon Jul 24 2017

Date           07/24/17      Tue 07/25/17            Wed 07/26/17            Thu
EDT 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                      78          87          77          85          75
Temp             81 80 79 78 79 84 87 86 82 80 79 78 79 83 85 84 81 78 77 76 78
Dewpt            76 76 76 75 75 75 76 76 76 76 76 76 76 76 76 75 75 74 74 74 75
RH               85 88 91 91 88 74 70 72 82 88 91 94 91 80 75 74 82 88 90 94 91
Wind dir         SW SW SW SW SW SW SW  S SW SW SW  W  W  E SE SE SE SE  S  S  S
Wind spd         12 10  8  6  9  8  9 10  9  6  3  2  2  3  5  6  5  4  3  4  3
Clouds           B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                     40          40          40          70          60
QPF 12hr                   0.08        0.18        0.13        0.31        0.14
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S  S  C  C  C  C  C  C  C  C  C  C  L  L  L  L  L  C  C  C
Tstms             C  S  S  C  C  C  C  C  C  C  C  C  C  L  L  L  L  L  C  C  C
Heat index                      92 97 95                90 94 91
Max heat         94                98    96                94    92


Date           07/27  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 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      77    91      77    87      76    87      77    87
Temp          87 82   79 80 90 84   80 79 87 81   78 78 87 82   78 78 87 81
Dewpt         75 75   74 74 74 75   75 75 75 75   74 73 74 74   74 74 74 75
PWind dir         S      SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT      LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B1 SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B2   B2 B2 B2 B2
PoP 12hr         50      20    40      20    50      50    50      40    30
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ048-250900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
529 PM EDT Mon Jul 24 2017

Date           07/24/17      Tue 07/25/17            Wed 07/26/17            Thu
EDT 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          88          74          86          73
Temp             82 80 78 76 77 84 87 85 81 78 76 75 76 82 85 83 79 76 75 74 76
Dewpt            75 75 74 74 74 74 74 75 75 75 75 75 76 75 75 75 75 74 74 74 74
RH               79 85 88 94 90 72 65 72 82 91 97100100 79 72 77 88 94 97100 94
Wind dir          S SW SW SW SW SW SW SW SW SW SW  W  W  E SE SE SE SE SE  S SE
Wind spd          9  6  4  4  6  5  6  8  5  4  2  1  1  3  5  5  4  3  3  3  3
Clouds           B1 B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
PoP 12hr                     40          50          40          70          60
QPF 12hr                   0.09        0.23        0.08        0.32        0.13
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S  S  C  C  C  C  C  C  C  C  C  C  L  L  L  L  L  C  C  C
Tstms             C  S  S  C  C  C  C  C  C  C  C  C  C  L  L  L  L  L  C  C  C
Heat index                      91 95 94                   94 90
Max heat         99                95    95                94    94


Date           07/27  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 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    92      76    88      75    89      76    88
Temp          88 83   78 79 92 84   79 77 88 81   77 77 89 82   77 77 88 81
Dewpt         74 75   74 74 74 74   75 75 74 75   74 73 74 74   74 74 73 76
PWind dir         S      SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B2 B1   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B2   B2 B2 B2 B2
PoP 12hr         50      20    40      20    50      40    50      40    30
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ043-250900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
529 PM EDT Mon Jul 24 2017

Date           07/24/17      Tue 07/25/17            Wed 07/26/17            Thu
EDT 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          89          73          87          72
Temp             81 77 76 74 77 84 88 86 81 77 75 74 75 83 86 85 80 76 74 73 75
Dewpt            75 74 74 73 74 75 75 75 75 75 74 74 75 75 75 75 75 74 73 72 73
RH               82 90 94 97 90 74 66 70 82 94 97100100 77 70 72 85 94 97 97 94
Wind dir          S  S SW SW SW SW SW SW  S  S SW SE SW  E SE SE SE SE SE  E  E
Wind spd          5  4  3  3  4  4  5  5  4  3  1  0  1  2  4  4  4  3  2  2  2
Clouds           B2 B1 B1 SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1
PoP 12hr                     40          60          50          70          50
QPF 12hr                   0.12        0.32        0.12        0.42        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S  S  S  S  C  C  L  C  C  C  C  C  L  L  L  C  C  C  C  C
Tstms             C  S  S  S  S  C  C  L  C  C  C  C  C  L  L  L  C  C  C  C  C
Heat index                      92 98 95                90 95 94
Max heat         98                98    98                95    94


Date           07/27  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 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      74    93      74    88      74    89      74    88
Temp          88 82   76 77 93 83   77 76 88 80   76 76 89 82   76 76 88 81
Dewpt         74 74   73 74 73 74   74 75 75 75   74 73 73 74   74 73 73 75
PWind dir        SE      SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B2 B2
PoP 12hr         40      20    30      30    50      40    50      40    30
Rain shwrs     C  C    S  S  C  C    C  C  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
GAZ099-250900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
529 PM EDT Mon Jul 24 2017

Date           07/24/17      Tue 07/25/17            Wed 07/26/17            Thu
EDT 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          89          73          89          73
Temp             84 78 76 75 77 84 88 86 81 77 76 74 76 84 88 86 81 77 75 74 76
Dewpt            75 75 74 74 75 75 75 75 75 75 74 74 74 74 75 74 75 74 73 73 74
RH               74 91 94 97 94 74 66 70 82 94 94100 94 72 66 68 82 90 94 97 94
Wind dir         SW  S SW SW SW SW  W SW  S SW SW SW  S  E  E  E SE SE SE  S SE
Wind spd          5  4  3  3  5  5  5  5  3  3  1  1  1  3  4  5  3  4  2  3  2
Clouds           B2 SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1
PoP 12hr                     40          60          40          70          40
QPF 12hr                   0.10        0.35        0.03        0.31        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S  S  S  S  C  C  L  C  C  C  C  C  L  L  L  C  C  C  C  C
Tstms             C  S  S  S  S  C  C  L  C  C  C  C  C  L  L  L  C  C  C  C  C
Heat index       92             92 98 95                91 98 94
Max heat        102                98    98                98    97


Date           07/27  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 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          90      74    92      74    89      74    89      74    89
Temp          89 82   76 76 92 85   75 75 89 81   77 76 88 82   75 75 89 83
Dewpt         74 75   73 74 73 74   74 75 74 74   74 73 73 73   73 73 72 74
PWind dir        SE      SW    SW      SW    SW      SW    SW       S     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B2 B2
PoP 12hr         40      20    30      20    50      40    50      40    30
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$

PRODUCT KEY...

--- Cloud Cover ---
CODE   PERCENTAGE            SKY COVER DAY/NIGHT
 CL    0 TO <=5 percent      Sunny/Clear
 FW    >5 TO <=25 percent    Sunny/Mostly Clear
 SC    >25 TO <=50 percent   Partly Cloudy
 B1    >50 TO <=69 percent   Mostly Cloudy
 B2    >69 TO <=87 percent   Mostly Cloudy
 OV    >87 TO 100 percent    Cloudy

--- Obstructions to Visibility ---    --- Weather Coverage ---
CODE   TYPE                           CODE   QUALIFYING TERM
 F     Fog                             S     Slight
 PF    Patchy Fog                      C     Chance
 F+    Dense Fog                       L     Likely
 PF+   Patchy Dense Fog                O     Occasional
 H     Haze                            D     Definite
 BS    Blowing Snow
 K     Smoke
 BD    Blowing Dust
 AF    Volcanic Ashfall

--- Extended Wind Forecast Character ---
                           12-HR MAX SUSTAINED
CODE   WIND CHARACTER          WIND SPEED
 LT    Light                   < 8 mph
 GN    Gentle                  8-14 mph
 BZ    Breezy                  15-22 mph
 WY    Windy                   23-30 mph
 VW    Very Windy              31-39 mph
 SD    Strong/Damaging         >=40 mph

$$




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