Point Forecast Matrices
Issued by NWS Charleston, SC

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838
FOUS52 KCHS 161620
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
1219 PM EDT Wed Aug 16 2017

SCZ050-162100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1219 PM EDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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                      95          78          94          78          95
Temp                   95 93 85 81 79 78 80 89 92 91 85 82 80 79 80 89 93 91 85
Dewpt                  76 75 76 78 77 77 78 77 76 77 77 77 77 77 77 75 75 76 76
RH                     54 56 75 91 94 97 94 68 60 64 77 85 91 94 91 64 56 62 75
Wind dir                W SW SW SW SW  W  W SW SW  S  S  S SW SW SW SW SW  S  S
Wind spd                8  9  4  3  3  0  2  3  6  8  6  4  4  4  4  5  8  9  8
Clouds                 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1
PoP 12hr                      5          20          40          20          40
QPF 12hr                      0           0        0.17           0        0.15
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C  S  S  S  S  S  C  C  C  S
Tstms                                     S  S  C  C  S  S  S  S  S  C  C  C  S
Heat index            109105 94            102105105 96 90          99105103 94
Max heat              109   109    92         106   106    94         105   105
Heat                    Y  Y


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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          77    92      77    92      77    92      77    92
Temp          80 79 90 84   80 79 90 84   79 79 90 84   79 79 90 84
Dewpt         77 76 76 76   75 76 75 75   75 76 75 75   75 75 74 74
PWind dir        SW    SW      SW     S       S    SE       S     S
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC B1 B1
PoP 12hr         20    50      30    40      30    40      30    40
Rain shwrs     S  S  C  C    C  C  C  C    C  C  C  C    C  C  C  C
Tstms          S  S  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
GAZ118-162100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1219 PM EDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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                      97          77          95          77          95
Temp                   96 96 86 81 79 77 80 89 94 92 86 82 80 79 80 89 93 92 85
Dewpt                  75 75 75 76 76 75 76 77 75 75 76 76 76 75 75 75 74 74 76
RH                     51 51 70 85 91 94 88 68 54 58 72 82 88 88 85 64 54 56 75
Wind dir                W SW SW SW SW  W  W  W  W SW  S  S SW SW  W  W SW SW  S
Wind spd                8  8  3  0  0  0  2  4  6  6  5  4  3  3  3  5  6  5  5
Clouds                 SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC B1 B1 B2 B2 B1
PoP 12hr                      5           5          40          20          40
QPF 12hr                      0           0        0.20           0        0.21
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  S  S        S  C  C  C  S
Tstms                                        S  C  C  S  S        S  C  C  C  S
Heat index            108108 95            102106103 96             99103102 94
Max heat              108   110    92         106   106    93         105   103
Heat                    Y  Y


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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    92      77    93      77    92      77    93
Temp          79 79 91 84   79 79 91 85   79 79 91 84   79 79 92 85
Dewpt         76 76 76 76   75 75 74 75   75 75 74 74   74 74 73 73
PWind dir        SW    SW      SW     S       S     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC B1 B1
PoP 12hr         20    50      30    30      20    40      20    40
Rain shwrs     S  S  C  C    C  C  C  C    S  S  C  C    S  S  C  C
Tstms          S  S  C  C    C  C  C  C    S  S  C  C    S  S  C  C

$$
SCZ050-162100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1219 PM EDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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                      95          80          92          80          92
Temp                   95 93 86 83 81 80 81 88 91 89 85 82 81 80 81 88 91 90 85
Dewpt                  78 78 77 79 78 77 78 78 78 78 78 78 78 78 78 77 77 77 77
RH                     58 62 75 88 91 91 91 72 66 70 80 88 91 94 91 70 64 66 77
Wind dir                W SW SW SW SW  W  W SW  S  S  S  S SW SW SW SW SW  S  S
Wind spd                8 10  8  8  5  0  3  4  9 10  8  6  6  5  5  6  9 11 10
Clouds                 FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1
PoP 12hr                      5          20          40          20          40
QPF 12hr                      0           0        0.12           0        0.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C  S  S  S  S  S  C  C  C  C
Tstms                                     S  S  C  C  S  S  S  S  S  C  C  C  C
Heat index            112109 97 93         101105103 97 91         100104103 96
Max heat              112   110    95         105   106    95         105   105
Heat                    Y  Y


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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          79    90      79    89      79    89      79    90
Temp          81 80 89 84   80 80 88 84   80 80 88 83   80 80 89 84
Dewpt         77 77 77 76   76 76 76 76   76 76 75 75   75 75 74 75
PWind dir        SW    SW      SW     S       S    SE       S     S
Wind char        GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC B1 B1
PoP 12hr         30    40      40    40      30    40      30    40
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
Tstms          C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
SCZ048-162100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1219 PM EDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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                      96          77          95          78          94
Temp                   96 94 86 80 79 77 80 89 93 92 86 83 81 79 80 89 93 91 85
Dewpt                  76 75 76 78 77 77 76 77 77 77 78 77 77 76 76 76 75 76 76
RH                     53 54 72 94 94100 88 68 60 62 77 82 88 91 88 66 56 62 75
Wind dir                W SW SW SW SW  W  W  W SW  S  S  S SW SW  W  W SW SW  S
Wind spd                6  6  5  3  1  0  2  4  6  6  5  4  4  3  4  5  6  6  6
Clouds                 SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B1
PoP 12hr                      5          10          40          20          40
QPF 12hr                      0           0        0.19           0        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  S  S  S  S  S  C  C  C  S
Tstms                                        S  C  C  S  S  S  S  S  C  C  C  S
Heat index            110106 96            102107106 98 92         100105103 94
Max heat              110   108    91         107   107    94         105   105
Heat                    Y  Y


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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          77    92      77    93      77    92      77    92
Temp          80 79 90 84   80 79 91 85   80 79 90 84   79 79 91 84
Dewpt         77 76 76 76   75 75 75 75   76 76 74 75   75 75 74 74
PWind dir        SW    SW      SW     S       S     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC B1 B1
PoP 12hr         20    50      30    40      20    40      30    40
Rain shwrs     S  S  C  C    C  C  C  C    S  S  C  C    C  C  C  C
Tstms          S  S  C  C    C  C  C  C    S  S  C  C    C  C  C  C

$$
SCZ043-162100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1219 PM EDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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                      96          76          95          77          95
Temp                   95 95 85 80 78 76 79 89 94 92 86 82 80 78 79 89 94 92 85
Dewpt                  75 74 74 76 75 75 76 77 75 76 77 77 76 76 76 75 74 74 75
RH                     53 51 70 88 91 97 91 68 54 60 75 85 88 94 91 64 53 56 72
Wind dir                W  W SW SW SW SW  W  W  W  S  S  S  S SW SW  W  W SW SW
Wind spd                6  6  2  0  0  0  1  3  5  5  4  3  3  2  3  4  6  6  4
Clouds                 SC SC B1 B1 SC SC SC B1 B1 B1 B1 B1 SC SC B1 SC B1 B2 B1
PoP 12hr                      0          10          40          20          40
QPF 12hr                      0           0        0.20           0        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  S  S        S  C  C  C  S
Tstms                                        S  C  C  S  S        S  C  C  C  S
Heat index            107106 93            102106105 97 90          99105102 94
Max heat              107   107               106   106    94         105   105


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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    92      76    93      75    92      75    93
Temp          79 78 91 84   78 78 92 84   78 78 91 83   78 78 92 84
Dewpt         76 76 75 76   74 75 74 74   75 75 73 74   74 74 73 74
PWind dir        SW    SW       S     S       S    SE       S    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC B1 B1
PoP 12hr         20    50      30    40      20    40      30    40
Rain shwrs     S  S  C  C    C  C  C  C    S  S  C  C    C  C  C  C
Tstms          S  S  C  C    C  C  C  C    S  S  C  C    C  C  C  C

$$
GAZ099-162100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1219 PM EDT Wed Aug 16 2017

Date             Wed 08/16/17            Thu 08/17/17            Fri 08/18/17
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                      95          76          95          76          95
Temp                   95 95 87 81 79 77 79 89 94 92 85 81 79 78 79 89 94 92 85
Dewpt                  75 74 75 75 76 75 75 76 75 75 76 76 76 75 75 75 74 74 76
RH                     53 51 68 82 91 94 88 66 54 58 75 85 91 91 88 64 53 56 75
Wind dir                W  W SW SW  W  W  W  W  W SW SW SW SW  W  W  W  W SW SW
Wind spd                5  5  3  0  0  0  1  4  5  6  3  3  2  2  3  5  5  5  3
Clouds                 SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC B2 B2 B1
PoP 12hr                      5           5          30          20          40
QPF 12hr                      0           0        0.13           0        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  S  S           C  C  C  S
Tstms                                        S  C  C  S  S           C  C  C  S
Heat index            107106 96            100106103 94             99105102 94
Max heat              107   106    92         106   106    91         105   105


Date          Sat 08/19/17  Sun 08/20/17  Mon 08/21/17  Tue 08/22/17
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      76    93      75    93      75    92
Temp          78 78 92 84   78 78 92 84   78 78 92 84   78 78 91 84
Dewpt         75 75 75 76   75 75 74 75   74 75 73 74   74 74 73 74
PWind dir        SW    SW      SW    SW       S    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   B1 SC SC B1   B1 SC B1 B1
PoP 12hr         20    50      30    40      20    40      20    40
Rain shwrs     S  S  C  C    C  C  C  C    S  S  C  C    S  S  C  C
Tstms          S  S  C  C    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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