Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
1022 PM EDT Wed Jul 26 2017

SCZ050-270900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1022 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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                      73          89          75          92          76
Temp                77 75 74 76 85 89 87 81 77 76 75 77 87 91 88 82 79 78 76 77
Dewpt               74 73 73 74 74 74 74 74 74 74 74 75 74 74 75 75 75 75 75 75
RH                  90 94 97 94 70 61 65 79 90 94 97 94 65 58 66 79 88 91 97 94
Wind dir             E  E NE  E SE  S  S  S  S  S  S SW SW SW SW  S  S SE  S  W
Wind spd             4  3  3  3  5  9  9  6  5  5  4  5  6  9  9  6  4  3  4  6
Clouds              B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2
PoP 12hr                     30          30          20          40          50
QPF 12hr                   0.03        0.18           0           0        0.37
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  C  C  C  C  S  S     S  C  C  C  C  C  C  C  C  L
Tstms                   S  S  C  C  C  C  S  S     S  C  C  C  C  C  C  C  C  L
Heat index                      93 98 95                95101 98
Max heat                           98    98               101   101


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          87      72    84      72    87      74    87      74    88
Temp          87 80   75 74 83 79   73 74 86 81   75 76 87 80   75 76 88 81
Dewpt         75 74   71 69 70 70   70 70 69 71   71 72 72 72   72 72 73 73
PWind dir         W       N    NE      NE     E       E     E      SW     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B1 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         70      50    30      20    30      30    40      40    40
Rain shwrs     L  L    C  C  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          L  L    C  C  S  S          S  S    S  S  C  C    C  C  C  C

$$
GAZ118-270900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1022 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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          75          93          77
Temp                77 75 75 76 83 89 86 80 78 77 75 77 88 92 91 83 80 80 77 78
Dewpt               74 74 73 74 75 75 75 74 74 74 74 74 74 74 75 75 75 74 74 74
RH                  90 97 94 94 77 64 70 82 88 90 97 90 63 56 60 77 85 82 90 88
Wind dir             E NE NE  E SE SE SE  S  S  S  S SW SW SW SW SW SW SW  W  W
Wind spd             2  2  2  2  5  9  9  6  4  3  3  4  8  8  9  8  6  6  6  8
Clouds              OV B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B2
PoP 12hr                     30          50          30          30          30
QPF 12hr                   0.20        0.41           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S  C  C  C  C  C  C  S        C  C  C  C  C  C  C  C  L
Tstms                S  S  C  C  C  C  C  S  S        C  C  C  C  C  C  C  C  L
Heat index                      90 99 95                97102102 90
Max heat                           99    99               102   103


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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    86      73    88      74    89      74    88
Temp          89 81   76 75 85 80   75 76 88 83   76 76 89 82   76 76 87 81
Dewpt         76 75   72 71 73 72   71 71 72 72   71 71 73 73   72 72 74 73
PWind dir         W      NW     E      NE     E       E     E      SW     E
Wind char        GN      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B2 OV   B2 B1 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2   B1 B2 B2 B2
PoP 12hr         70      40    40      30    50      40    40      30    40
Rain shwrs     L  L    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
Tstms          L  L    C  C  S  S    S  S  S  S    S  S  C  C    C  C  C  C

$$
SCZ050-270900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1022 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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          76          91          77
Temp                80 79 77 78 86 87 87 82 79 78 76 78 86 90 88 83 80 79 77 78
Dewpt               75 74 74 75 75 74 75 75 75 75 75 75 75 75 75 75 76 76 76 75
RH                  85 85 90 91 70 65 68 79 88 91 97 91 70 62 66 77 88 91 97 91
Wind dir             E  E  E  E SE SE  S  S  S  S SW SW SW SW SW SW  W  W  W  W
Wind spd             5  4  4  4  5 10 10  8  8  8  8  8 10 11 12 11  8  5  5  8
Clouds              B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2
PoP 12hr                     40          40          30          40          50
QPF 12hr                   0.04        0.16           0           0        0.34
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  C  C  C  S  S  C  C  C  C  C  C  C  C  C  C  L
Tstms                   S  C  C  C  C  C  S  S  S  S  C  C  C  C  C  C  C  C  L
Heat index                      95 95 96                95101 98 90
Max heat                           96    98               101   101


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          87      73    84      74    86      75    87      75    87
Temp          87 81   75 75 83 80   75 76 86 81   76 77 87 81   77 77 87 81
Dewpt         75 74   72 70 71 71   71 70 70 71   72 72 73 72   73 73 73 74
PWind dir        SW       N    NE      NE     E       E     E      SW     E
Wind char        GN      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B1 B1 B1   B1 B2 B2 B2   B2 OV OV B2   B2 B2 B2 B2
PoP 12hr         70      50    30      30    40      40    40      40    40
Rain shwrs     L  L    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
Tstms          L  L    C  C  S  S    S  S  S  S    S  S  C  C    C  C  C  C

$$
SCZ048-270900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1022 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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          75          92          76
Temp                79 77 76 77 84 88 86 81 78 76 75 77 87 92 89 82 79 79 76 78
Dewpt               75 74 74 74 75 75 75 75 74 74 74 75 74 74 75 75 75 75 74 74
RH                  88 90 94 90 74 66 70 82 88 94 97 94 65 56 64 79 88 88 94 88
Wind dir             E  E  E  E SE SE SE  S  S  S SW SW SW SW SW SW  W  W  W  W
Wind spd             4  3  3  3  5  8  8  6  5  4  3  4  6  9  9  9  5  3  5  8
Clouds              B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     30          40          20          30          30
QPF 12hr                   0.04        0.28           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  C  C  C  S  S  S  S  C  C  C  C  C  C  C  C  L
Tstms                   S  C  C  C  C  C  S  S  S  S  C  C  C  C  C  C  C  C  L
Heat index                      92 98 95                95102 99
Max heat                           98    98               102   102


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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      73    85      73    87      73    88      73    87
Temp          88 81   75 74 84 80   76 76 87 81   74 76 88 82   76 76 87 81
Dewpt         75 74   72 70 71 71   71 70 70 71   71 72 72 72   72 72 72 73
PWind dir         W       N    NE      NE     E      NE     E      SW     E
Wind char        GN      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B1 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         70      50    40      30    40      40    40      40    40
Rain shwrs     L  L    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
Tstms          L  L    C  C  S  S    S  S  S  S    S  S  C  C    C  C  C  C

$$
SCZ043-270900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1022 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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                      72          90          73          92          74
Temp                76 74 73 74 84 90 88 81 76 75 73 76 87 92 90 82 77 76 74 76
Dewpt               74 72 72 73 74 74 74 74 74 73 73 73 73 73 74 74 74 73 74 74
RH                  94 93 97 97 72 60 63 79 94 94100 90 63 54 60 77 90 90100 94
Wind dir             E NE  E  E SE  S  S  S  S  S  S SW SW SW SW SW SW SW SW  W
Wind spd             2  2  2  2  4  6  8  5  3  3  2  4  6  9  8  8  5  4  4  5
Clouds              B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2
PoP 12hr                     20          40          20          30          50
QPF 12hr                      0        0.14           0           0        0.31
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  C  C  S           C  C  C  C  C  C  C  C  L
Tstms                         C  C  C  C  S           C  C  C  C  C  C  C  C  L
Heat index                      91 99 97                94101 99
Max heat                           99    99               101   102


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          87      72    85      71    87      71    88      72    89
Temp          87 81   74 73 84 80   73 73 86 79   72 73 88 81   74 74 89 82
Dewpt         74 73   70 68 69 70   69 69 68 70   69 70 71 72   71 71 71 72
PWind dir         W       N    NE      NE    NE      NE    NE      SW     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B2 B2 B2 B2   B2 B2 B2 B1
PoP 12hr         70      40    20      10    30      30    40      40    40
Rain shwrs     L  L    C  C  S  S          C  C    C  C  C  C    C  C  C  C
Tstms          L  L    C  C                S  S    S  S  C  C    C  C  C  C

$$
GAZ099-270900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1022 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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                      72          90          74          92          76
Temp                76 74 73 74 83 89 89 83 78 75 74 76 86 92 92 85 79 77 76 77
Dewpt               74 73 73 74 74 74 74 74 74 74 74 74 74 74 75 75 75 74 74 74
RH                  94 97100100 74 61 61 74 88 97100 94 68 56 58 72 88 90 94 90
Wind dir             E  E  E NE  E  E SE SE  S  S  S SW SW  W  W  W  W  W  W  W
Wind spd             2  2  2  2  4  8  6  3  2  2  3  4  6  9  9  8  6  8  5  4
Clouds              B2 B1 SC B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 SC B1 B1 B2 B2
PoP 12hr                     20          50          30          30          30
QPF 12hr                   0.03        0.11           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S        C  C  C  C  C           C  C  C  C  C  C  C  C  L
Tstms                S        C  C  C  C  S           C  C  C  C  C  C  C  C  L
Heat index                      90 98 98 90             94102103 94
Max heat                           98    99               102   103


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          87      72    85      71    86      71    87      72    89
Temp          87 80   74 73 84 80   73 73 86 81   73 73 86 81   74 74 87 81
Dewpt         76 75   72 70 71 72   70 70 70 71   70 70 71 73   72 71 72 73
PWind dir         W       N     E       E     E      NE     E      SW     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B2 B1 B1
PoP 12hr         70      30    30      10    30      20    30      30    30
Rain shwrs     L  L    C  C  C  C          C  C    S  S  C  C    C  C  C  C
Tstms          L  L    C  C  S  S          S  S    S  S  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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