Point Forecast Matrices
Issued by NWS Charleston, SC

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

SCZ050-262100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
146 PM EDT Wed Jul 26 2017

Date             Wed 07/26/17            Thu 07/27/17            Fri 07/28/17
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                      86          73          89          75          91
Temp                   77 82 79 77 75 74 76 85 89 87 82 77 76 75 77 87 91 90 81
Dewpt                  74 75 74 74 73 73 74 74 74 74 74 74 74 75 75 74 73 74 75
RH                     90 79 85 90 94 97 94 70 61 65 77 90 94100 94 65 56 60 82
Wind dir                E  E  E  E  E NE  E SE  S  S  S  S  S SW SW SW SW SW SW
Wind spd                4  8  5  4  3  3  2  4  5  5  5  5  5  5  5  8  9  8  6
Clouds                 B2 B2 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     70          40          40          20          30
QPF 12hr                   0.17        0.01        0.01           0        0.22
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              L  C  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  C
Tstms                   L  C  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  C
Heat index                                  93 98 95                95100 99
Max heat               94                      98    98               100   101


Date          Sat 07/29/17  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17
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    86      72    84      72    87      74    87
Temp          77 77 86 79   75 74 83 79   73 74 86 81   75 76 87 80
Dewpt         75 75 75 74   72 70 72 72   72 71 73 73   71 72 72 73
PWind dir        SW     W       N     E       E     E      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B2 B2   B2 B1 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2
PoP 12hr         40    70      60    40      30    40      40    40
Rain shwrs     C  C  L  L    L  L  C  C    C  C  C  C    C  C  C  C
Tstms          C  C  L  L    L  L  C  C    C  C  C  C    C  C  C  C

$$
GAZ118-262100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
146 PM EDT Wed Jul 26 2017

Date             Wed 07/26/17            Thu 07/27/17            Fri 07/28/17
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                      85          74          90          75          91
Temp                   81 79 78 77 75 75 76 85 90 86 81 78 77 75 77 87 91 90 83
Dewpt                  74 74 74 74 74 73 74 75 75 75 75 74 74 74 75 74 74 75 76
RH                     79 85 88 90 97 94 94 72 62 70 82 88 90 97 94 65 58 62 80
Wind dir                E  E  E  E NE NE  E SE  S  S  S  S  S SW SW SW SW SW SW
Wind spd                4  6  4  2  2  2  2  4  6  6  6  5  4  4  5  6  8  6  6
Clouds                 B2 OV OV OV B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC
PoP 12hr                     90          40          50          20          40
QPF 12hr                   0.28        0.17        0.25        0.02        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              O  L  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  S
Tstms                   O  L  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  S
Heat index                                  94101 95                95101101 91
Max heat               91                     101    99               101   102


Date          Sat 07/29/17  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17
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          76    88      74    86      73    88      74    89
Temp          79 78 88 81   76 75 85 80   75 76 88 83   76 76 89 82
Dewpt         74 74 75 75   73 72 74 73   72 71 73 73   71 72 74 73
PWind dir        SW     W       W     E       E     E      SE    SW
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1 B2 B2   B2 B2 B2 B1   B1 B1 B2 B2   B2 B2 B2 B2
PoP 12hr         20    70      70    50      30    40      30    40
Rain shwrs     S  S  L  L    L  L  C  C    C  C  C  C    C  C  C  C
Tstms          S  S  L  L    L  L  C  C    C  C  C  C    C  C  C  C

$$
SCZ050-262100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
146 PM EDT Wed Jul 26 2017

Date             Wed 07/26/17            Thu 07/27/17            Fri 07/28/17
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                      86          76          88          75          91
Temp                   78 81 80 79 79 77 78 86 88 87 81 78 77 76 78 86 90 89 82
Dewpt                  75 75 75 75 74 74 75 75 75 75 75 75 75 75 75 74 74 75 75
RH                     91 82 85 88 85 90 91 70 66 68 82 91 94 97 91 68 60 64 79
Wind dir                E  E  E  E  E  E  E SE  S  S  S  S  S SW SW SW SW SW SW
Wind spd                5 10  8  5  4  4  3  4  5  6  6  8  8  8  9 10 11 10 10
Clouds                 B2 B2 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     80          40          50          20          30
QPF 12hr                   0.15        0.05        0.10        0.04        0.25
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              O  C  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  C
Tstms                   O  C  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  C
Heat index                                  95 97 96                94 99 99
Max heat               95                      98    98                99    99


Date          Sat 07/29/17  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17
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          76    85      73    84      74    86      75    87
Temp          78 77 85 79   75 75 83 80   75 76 86 81   76 77 87 81
Dewpt         75 75 75 74   72 71 73 73   73 72 73 73   71 73 73 73
PWind dir        SW     W       N     E       E     E      SE     S
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B2 B2   B2 B2 B1 B1   B1 B2 B2 B2   B2 OV OV B2
PoP 12hr         40    70      60    50      40    40      40    40
Rain shwrs     C  C  L  L    L  L  C  C    C  C  C  C    C  C  C  C
Tstms          C  C  L  L    L  L  C  C    C  C  C  C    C  C  C  C

$$
SCZ048-262100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
146 PM EDT Wed Jul 26 2017

Date             Wed 07/26/17            Thu 07/27/17            Fri 07/28/17
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                      85          75          89          75          92
Temp                   79 79 79 78 77 76 77 84 89 87 81 78 75 75 76 87 92 90 81
Dewpt                  74 75 75 75 74 74 74 75 75 75 75 75 74 75 75 74 74 75 76
RH                     85 88 88 91 90 94 90 74 64 68 82 91 97100 97 65 56 62 85
Wind dir                E  E  E  E  E  E  E SE  S  S  S  S  S SW SW SW SW SW SW
Wind spd                3  6  6  4  3  3  2  4  5  6  6  5  5  5  5  6  8  8  6
Clouds                 B2 OV B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC
PoP 12hr                     80          40          50          20          30
QPF 12hr                   0.26        0.07        0.15        0.01        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              L  C  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  C
Tstms                   L  C  C  C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  C
Heat index                                  92 99 96                95102101
Max heat               94                      99    99               102   102


Date          Sat 07/29/17  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17
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    86      73    85      73    87      73    88
Temp          77 77 86 80   75 74 84 80   76 76 87 81   74 76 88 82
Dewpt         75 74 75 75   72 71 72 73   72 72 72 73   71 72 73 73
PWind dir        SW     W      NW     E       E     E       S     S
Wind char        GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B2 B2   B2 B2 B1 B1   B1 B1 B2 B2   B2 B2 B2 B2
PoP 12hr         30    70      70    50      30    40      40    40
Rain shwrs     C  C  L  L    L  L  C  C    C  C  C  C    C  C  C  C
Tstms          C  C  L  L    L  L  C  C    C  C  C  C    C  C  C  C

$$
SCZ043-262100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
146 PM EDT Wed Jul 26 2017

Date             Wed 07/26/17            Thu 07/27/17            Fri 07/28/17
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          72          90          73          92
Temp                   79 81 79 77 74 73 74 84 90 88 81 76 74 73 76 87 92 91 81
Dewpt                  74 73 74 74 72 72 73 74 74 74 74 74 73 73 74 73 73 74 75
RH                     85 77 85 90 93 97 97 72 60 63 79 94 97100 94 63 54 58 82
Wind dir                E  E SE  E NE  E  E SE  S  S  S  S  S  S SW SW SW SW  S
Wind spd                3  5  4  2  2  2  2  4  5  5  5  4  3  3  4  5  6  6  5
Clouds                 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     70          40          40          20          30
QPF 12hr                   0.33           0           0           0        0.15
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              L  C  C  C  S  C  S  C  S  C  S  S  S  S  C  C  C  C  C
Tstms                   L  C  C  C  S  C  S  C  S  C  S  S  S  S  C  C  C  C  C
Heat index                                  91 99 97                94101101
Max heat               98                      99    99               101   101


Date          Sat 07/29/17  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17
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    86      72    85      71    87      71    88
Temp          75 75 86 79   74 73 84 80   73 73 86 79   72 73 88 81
Dewpt         74 74 74 74   71 70 71 72   71 70 72 72   70 71 71 73
PWind dir        SW     W       E    NE      NE     E       E     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B2 B2 B2 B2
PoP 12hr         50    70      50    40      20    40      30    40
Rain shwrs     C  C  L  L    C  C  C  C    S  S  C  C    C  C  C  C
Tstms          C  C  L  L    C  C  C  C    S  S  C  C    C  C  C  C

$$
GAZ099-262100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
146 PM EDT Wed Jul 26 2017

Date             Wed 07/26/17            Thu 07/27/17            Fri 07/28/17
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                      85          72          90          74          91
Temp                   83 80 78 75 74 73 74 83 89 89 83 78 75 74 75 86 91 91 84
Dewpt                  74 75 75 74 73 73 74 74 74 74 74 74 74 74 74 74 74 75 75
RH                     74 85 91 97 97100100 74 61 61 74 88 97100 97 68 58 60 74
Wind dir                E  E  E  E  E  E  E  E  S  S  S  S  S  S SW SW  W SW SW
Wind spd                5  6  4  2  2  2  2  4  5  4  3  3  3  3  4  5  8  6  5
Clouds                 B1 OV OV B2 B1 SC B1 B1 B1 B1 B1 B1 SC SC SC B1 B1 SC SC
PoP 12hr                     70          40          40          20          30
QPF 12hr                   0.31           0        0.03           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  L  C  C  S  S  C  C  C  C  S  S  S  S  C  C  C  C  C
Tstms                   C  L  C  C  S  S  C  C  C  C  S  S  S  S  C  C  C  C  C
Heat index             90                   90 98 98 90             94101102 92
Max heat               93                      98    99               101   102


Date          Sat 07/29/17  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17
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    86      72    85      71    86      71    87
Temp          75 75 86 80   74 73 84 80   73 73 86 81   73 73 86 81
Dewpt         74 74 75 74   72 71 73 73   71 71 72 72   70 71 72 73
PWind dir        SW     W       N     E       E     E      NE    SE
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B2 B2   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1
PoP 12hr         30    70      50    40      20    40      20    30
Rain shwrs     C  C  L  L    C  C  C  C    S  S  C  C    S  S  C  C
Tstms          C  C  L  L    C  C  C  C    S  S  C  C    S  S  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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