Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
1253 PM EDT Tue Jul 25 2017

SCZ050-252100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1253 PM EDT Tue Jul 25 2017

Date             Tue 07/25/17            Wed 07/26/17            Thu 07/27/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          75          87          74          88
Temp                   90 87 82 77 76 75 77 85 87 84 81 77 75 74 76 84 87 86 82
Dewpt                  75 75 75 75 75 74 75 75 75 75 75 74 74 74 74 75 75 75 74
RH                     62 68 79 94 97 97 94 72 68 74 82 90 97100 94 74 68 70 77
Wind dir               NW SW SW SW  W NW NE  E  E SE SE  E  E  E  E SE  S  S  S
Wind spd                6  8  5  3  2  1  1  4  5  5  4  3  2  2  2  4  5  6  6
Clouds                 SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B2 B2 B1 B1 SC
PoP 12hr                     30          40          60          40          50
QPF 12hr                      0           0        0.35        0.10        0.19
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  C  S  C  C  C  L  L  C  C  C  C  C  C  C  C  S
Tstms                   S  C  C  C  S  C  C  C  L  L  C  C  C  C  C  C  C  C  S
Heat index            101 96                94 96 92                92 96 95
Max heat              101   101                96    94                96    98


Date          Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    91      76    87      74    85      74    88
Temp          76 78 91 85   79 77 87 81   76 76 85 80   75 76 88 81
Dewpt         74 74 74 74   75 74 75 75   73 72 74 73   73 72 72 73
PWind dir        SW    SW      SW    SW      SE     E      NE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         20    30      40    60      60    50      40    50
Rain shwrs     S  S  C  C    C  C  L  L    L  L  C  C    C  C  C  C
Tstms          S  S  C  C    C  C  L  L    L  L  C  C    C  C  C  C

$$
GAZ118-252100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1253 PM EDT Tue Jul 25 2017

Date             Tue 07/25/17            Wed 07/26/17            Thu 07/27/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      89          74          87          74          89
Temp                   88 85 82 77 75 74 76 84 87 84 79 77 75 74 76 84 89 87 83
Dewpt                  75 76 75 74 74 74 75 76 76 75 75 74 74 74 75 75 75 75 74
RH                     66 75 79 90 97100 97 77 70 74 88 90 97100 97 74 64 68 74
Wind dir                W SW  W  W  W  W  N  E SE SE SE  E  E  E  E  E  E SE  S
Wind spd                6  4  2  0  0  0  1  3  4  4  4  3  2  2  2  2  3  4  5
Clouds                 SC OV B2 B2 B2 B2 B2 B2 OV B2 B2 B1 B1 B1 B2 B2 B2 B1 SC
PoP 12hr                     70          50          60          50          50
QPF 12hr                   0.42        0.03        0.56        0.10        0.35
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  L  C  C  S  C  C  C  L  L  C  C  C  C  C  C  C  C  S
Tstms                   C  L  C  C  S  C  C  C  L  L  C  C  C  C  C  C  C  C  S
Heat index             98 94                93 98 92                92 99 96 90
Max heat               99    98                98    95                99    99


Date          Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    93      77    88      75    86      75    89
Temp          77 77 92 85   80 79 88 81   76 76 86 80   76 77 89 82
Dewpt         74 74 74 74   74 75 75 75   73 73 74 74   73 72 72 73
PWind dir        SW    SW      SW     W      SW     S       E     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         20    40      30    60      60    50      50    50
Rain shwrs     S  S  C  C    C  C  L  L    L  L  C  C    C  C  C  C
Tstms          S  S  C  C    C  C  L  L    L  L  C  C    C  C  C  C

$$
SCZ050-252100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1253 PM EDT Tue Jul 25 2017

Date             Tue 07/25/17            Wed 07/26/17            Thu 07/27/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      87          78          86          76          86
Temp                   87 85 82 79 79 78 79 84 85 83 80 78 77 76 77 83 86 85 81
Dewpt                  76 77 75 75 75 75 75 76 76 75 75 75 74 75 75 75 75 75 74
RH                     70 77 79 88 88 91 88 77 75 77 85 91 90 97 94 77 70 72 79
Wind dir               SW  S SW SW  W  W NE  E SE SE SE SE SE SE SE SE  S  S  S
Wind spd                6 10  8  4  2  1  1  4  6  6  5  4  3  2  3  4  6  8  8
Clouds                 SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 SC
PoP 12hr                     30          40          60          50          50
QPF 12hr                      0           0        0.31        0.12        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  C  S  C  C  C  L  L  C  C  C  C  C  C  C  C  S
Tstms                   S  C  C  C  S  C  C  C  L  L  C  C  C  C  C  C  C  C  S
Heat index             96 96                93 94 90                90 95 94
Max heat               96    98                94    94                95    95


Date          Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    90      77    86      76    84      76    87
Temp          77 78 90 84   79 78 86 82   77 77 84 80   77 78 87 81
Dewpt         74 75 75 75   75 74 75 75   73 72 74 74   73 72 73 73
PWind dir        SW    SW      SW    SW       S     E       S    SW
Wind char        LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         20    30      40    60      60    50      40    50
Rain shwrs     S  S  C  C    C  C  L  L    L  L  C  C    C  C  C  C
Tstms          S  S  C  C    C  C  L  L    L  L  C  C    C  C  C  C

$$
SCZ048-252100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1253 PM EDT Tue Jul 25 2017

Date             Tue 07/25/17            Wed 07/26/17            Thu 07/27/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      88          74          86          74          88
Temp                   88 85 80 76 75 75 76 84 86 83 80 77 76 74 76 84 88 86 81
Dewpt                  75 76 75 75 75 74 75 75 75 75 75 74 74 74 75 75 75 75 74
RH                     66 75 85 97100 97 97 74 70 77 85 90 94100 97 74 66 70 79
Wind dir               SW  S SW SW  W  N  N  E SE SE SE SE  E  E  E SE SE  S  S
Wind spd                4  6  3  0  0  0  1  3  4  5  4  3  2  2  2  3  5  5  6
Clouds                 SC B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B1 B1 SC
PoP 12hr                     50          40          60          50          50
QPF 12hr                   0.24        0.01        0.42        0.11        0.24
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  C  C  S  C  C  C  L  L  C  C  C  C  C  C  C  C  S
Tstms                   C  C  C  C  S  C  C  C  L  L  C  C  C  C  C  C  C  C  S
Heat index             98 94                92 95 90                92 98 95
Max heat               98    98                95    94                98    98


Date          Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    92      76    87      74    86      74    89
Temp          75 77 92 84   78 78 87 81   75 76 86 81   77 77 89 81
Dewpt         74 74 74 75   74 75 74 75   73 72 74 74   73 72 72 73
PWind dir         S    SW      SW    SW      SW     E       E    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 OV
PoP 12hr         20    30      30    60      60    50      50    50
Rain shwrs     S  S  C  C    C  C  L  L    L  L  C  C    C  C  C  C
Tstms          S  S  C  C    C  C  L  L    L  L  C  C    C  C  C  C

$$
SCZ043-252100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1253 PM EDT Tue Jul 25 2017

Date             Tue 07/25/17            Wed 07/26/17            Thu 07/27/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          73          87          73          89
Temp                   90 88 80 77 73 73 76 84 87 85 80 76 74 73 75 84 88 88 82
Dewpt                  74 75 75 74 73 73 75 75 75 75 75 74 73 73 73 74 74 74 74
RH                     60 66 85 90100100 97 74 68 72 85 94 97100 94 72 63 63 77
Wind dir               SW NW SW  S SW NE  N NE  E SE SE  E  E  E  E  E SE SE  S
Wind spd                2  5  3  0  0  0  0  3  4  4  3  3  2  2  2  3  4  4  4
Clouds                 SC B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC
PoP 12hr                     40          40          60          40          40
QPF 12hr                   0.23           0        0.39        0.05        0.21
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  C  C  C  C  C  L  L  C  C  S  S  C  C  C  C
Tstms                   S  C  C  C  C  C  C  C  L  L  C  C  S  S  C  C  C  C
Heat index             99 98                92 96 94                91 97 97
Max heat               99    99                96    95                97    98


Date          Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          73    93      74    87      73    86      72    87
Temp          74 76 92 84   76 75 87 80   75 75 86 79   74 74 87 81
Dewpt         73 74 73 74   74 74 74 75   73 72 73 73   72 71 71 73
PWind dir         S    SW      SW    SW       S    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B1 B1 B2 B2   B1 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         10    30      40    60      50    40      40    50
Rain shwrs           C  C    C  C  L  L    C  C  C  C    C  C  C  C
Tstms                C  C    C  C  L  L    C  C  C  C    C  C  C  C

$$
GAZ099-252100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1253 PM EDT Tue Jul 25 2017

Date             Tue 07/25/17            Wed 07/26/17            Thu 07/27/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      89          73          89          72          90
Temp                   89 85 80 76 73 73 75 84 89 87 81 76 74 72 73 82 88 90 84
Dewpt                  75 75 76 75 73 73 75 74 75 74 75 74 73 72 73 74 74 74 73
RH                     64 72 88 97100100100 72 64 65 82 94 97100100 77 63 60 70
Wind dir                W  W  W SW SW  E  E  E  E  E  E  E  E  E NE  E  E SE  S
Wind spd                2  4  1  0  0  0  0  3  5  5  4  3  2  2  2  2  2  2  3
Clouds                 B1 B2 B2 OV B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC
PoP 12hr                     60          50          60          30          30
QPF 12hr                   0.37        0.01        0.44        0.02        0.27
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  L  C  C  S  S  C  C  L  L  C  C  S  S  C  C  C  C
Tstms                   C  L  C  C  S  S  C  C  L  L  C  C  S  S  C  C  C  C
Heat index             99 94                91 99 95                   97 99 90
Max heat               99    98                99    98                97    99


Date          Fri 07/28/17  Sat 07/29/17  Sun 07/30/17  Mon 07/31/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          74    92      75    88      74    86      73    87
Temp          76 76 92 86   76 76 87 81   75 75 86 81   75 74 87 80
Dewpt         73 74 74 74   74 75 74 74   73 72 73 74   72 71 72 72
PWind dir        SW    SW      SW    SW       S     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         10    30      40    60      50    50      40    50
Rain shwrs           C  C    C  C  L  L    C  C  C  C    C  C  C  C
Tstms                C  C    C  C  L  L    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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