Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
101 PM EDT Sat Oct 21 2017

SCZ050-212100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
101 PM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      82          64          82          66          81
Temp                   81 80 69 66 65 65 65 78 82 80 71 69 68 66 68 77 80 74 72
Dewpt                  60 62 63 63 63 63 62 67 67 67 67 66 66 65 65 67 70 70 69
RH                     49 54 81 90 93 93 90 69 61 65 87 90 93 97 90 71 72 87 90
Wind dir                E  E  E  E NE NE NE  E  E  E  E  E  E  E  E  E  E  E SE
Wind spd                8  8  5  4  4  4  5  8 10 12  9  6  5  5  5 10 11 12 11
Clouds                 FW SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 OV OV
PoP 12hr                      0           5          20          20          60
QPF 12hr                      0           0           0           0        0.25
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  S  S  S  S  S  S  L  L  L  L  L
Tstms                                                             S  S  S  S  C


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          67    78      54    69      47    68      50    74
Temp          71 67 78 68   62 55 69 58   52 49 67 58   53 52 73 63
Dewpt         67 66 65 61   52 47 44 44   42 41 43 46   46 46 53 56
PWind dir        SE    SW       W     W       W    NW       W    SW
Wind char        GN    GN      LT    GN      LT    LT      LT    LT
Avg clouds    OV OV B1 SC   SC SC SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr         70    50       5     5       5     5       5    10
Rain shwrs     L  L  C  S
Tstms          C  C

$$
GAZ118-212100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
101 PM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      83          66          82          68          81
Temp                   82 81 72 69 67 66 67 78 82 80 71 70 70 69 69 78 81 76 74
Dewpt                  62 64 64 65 64 64 63 68 69 69 68 68 69 68 69 69 71 72 71
RH                     51 56 76 87 90 93 87 71 65 69 90 93 97 97100 74 72 87 90
Wind dir                E  E  E  E NE NE NE  E  E  E  E  E  E  E  E  E SE SE SE
Wind spd                9  8  5  4  3  4  5  6  9 11  9  6  5  5  5  8 10  9 11
Clouds                 SC SC SC SC SC B1 B1 B2 B2 B2 B1 B2 B2 B2 OV OV OV OV OV
PoP 12hr                      0          10          40          40          70
QPF 12hr                      0           0           0           0        0.35
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  C  C  C  C  C  C  C  L  L  L  L  D
Tstms                                                             S  S  S  S  C


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          66    78      53    69      47    69      50    74
Temp          72 66 78 69   61 53 69 58   53 48 69 60   54 52 74 65
Dewpt         68 65 64 58   49 44 43 43   41 40 43 46   46 46 52 56
PWind dir        SE    SW       W     W       W     W      SW     S
Wind char        GN    GN      LT    GN      LT    LT      LT    LT
Avg clouds    OV B2 B1 SC   SC SC SC FW   FW FW FW FW   FW FW FW SC
PoP 12hr         80    40       5     5       5     5       5    10
Rain shwrs     D  D  C
Tstms          C  C

$$
SCZ050-212100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
101 PM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      79          68          81          69          79
Temp                   79 78 71 69 68 68 68 78 81 78 72 70 70 69 69 77 79 76 73
Dewpt                  61 62 64 64 64 64 64 68 68 68 68 67 67 66 67 68 70 71 70
RH                     54 58 79 84 87 87 87 71 65 71 87 90 90 90 93 74 74 85 90
Wind dir                E  E  E  E NE NE NE  E  E  E  E  E  E  E  E  E  E SE SE
Wind spd               11 11 10  9  8  8  8 11 12 12 11  9  8  8  8 12 13 12 13
Clouds                 FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 OV OV
PoP 12hr                      0          10          30          30          60
QPF 12hr                      0           0           0           0        0.23
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  S  S  C  C  C  C  L  L  L  L  D
Tstms                                                             S  S  S  S  C


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          68    77      56    69      50    68      54    73
Temp          72 68 77 69   61 56 68 59   53 51 67 59   56 55 73 65
Dewpt         68 67 65 61   54 47 44 44   44 42 43 46   47 47 53 56
PWind dir        SE    SW       W     W      NW    NW       W    SW
Wind char        GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    OV OV B2 B1   SC SC SC SC   FW FW FW FW   FW FW FW SC
PoP 12hr         80    50      10     5       5     5       5    10
Rain shwrs     D  D  C  S
Tstms          C  C

$$
SCZ048-212100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
101 PM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      80          65          81          67          80
Temp                   80 79 71 68 67 66 67 77 81 78 71 70 69 67 69 77 80 76 72
Dewpt                  60 62 64 64 64 64 63 68 69 69 68 68 68 67 68 69 70 71 71
RH                     51 56 79 87 90 93 87 74 67 74 90 93 97100 97 76 72 85 97
Wind dir                E  E  E NE NE NE NE  E  E  E  E  E  E  E  E  E SE  E SE
Wind spd                8  8  5  4  4  4  4  8  9  9  8  6  5  5  5  9 10  9 10
Clouds                 SC SC SC SC SC B1 B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 OV OV OV
PoP 12hr                      0          10          30          30          70
QPF 12hr                      0           0           0           0        0.29
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  C  C  C  C  L  L  L  L  D
Tstms                                                             S  S  S  S  C


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          66    77      53    69      48    68      51    74
Temp          72 66 77 69   62 54 69 58   54 49 67 59   55 53 73 64
Dewpt         68 65 63 59   50 45 42 42   42 40 42 45   45 45 51 55
PWind dir        SE    SW       W     W      NW     W       W    SW
Wind char        GN    GN      LT    GN      LT    LT      LT    LT
Avg clouds    OV B2 B2 B1   SC SC SC SC   FW FW FW FW   FW FW FW SC
PoP 12hr         80    40       5     5       5     5       5    10
Rain shwrs     D  D  C  S
Tstms          C  C

$$
SCZ043-212100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
101 PM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      82          60          83          64          80
Temp                   81 81 68 64 62 61 62 77 83 81 70 68 66 64 66 74 80 72 70
Dewpt                  57 59 61 61 61 61 60 66 67 67 67 66 66 64 65 67 69 69 69
RH                     44 47 78 90 97100 93 69 59 63 90 93100100 97 79 69 90 97
Wind dir                E  E  E  E NE NE NE  E  E SE  E  E  E NE NE  E  E NE SE
Wind spd                6  5  3  2  2  2  3  5  8  8  5  4  3  3  4  9  9  8  8
Clouds                 FW FW SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 OV OV OV OV
PoP 12hr                      0           5          20          20          70
QPF 12hr                      0           0           0           0        0.26
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  S  S  S  S  S  S  L  L  L  L  D
Tstms                                                             S  S  S  S  C


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          64    76      51    68      44    67      47    74
Temp          70 64 76 66   59 52 68 54   51 45 67 56   52 49 73 62
Dewpt         66 64 63 58   48 44 42 42   39 39 41 44   43 43 50 53
PWind dir        SE    SW       W     W       W     W       W    SW
Wind char        GN    GN      LT    GN      LT    LT      LT    LT
Avg clouds    OV B2 B1 SC   SC SC SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr         80    40       5     5       5     5       5     5
Rain shwrs     D  D  C  S
Tstms          C  C

$$
GAZ099-212100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
101 PM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      83          62          82          68          80
Temp                   81 82 70 66 64 63 63 76 81 80 70 69 69 69 68 70 80 78 74
Dewpt                  59 60 62 62 62 61 61 67 68 68 68 68 68 67 68 69 71 72 70
RH                     47 47 76 87 93 93 93 74 65 67 93 97 97 93100 97 74 82 87
Wind dir                E  E  E  E  E NE NE  E  E  E  E  E  E NE NE NE  E  E SE
Wind spd                8  5  3  2  2  2  3  6  8  8  4  4  4  4  4  8 10 10  9
Clouds                 SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV
PoP 12hr                      0           5          30          30          70
QPF 12hr                      0           0           0           0        0.36
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  C  C  C  C  L  L  L  L  D
Tstms                                                             S  S  S  S  C


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          64    75      51    67      45    69      47    75
Temp          70 64 75 66   58 51 67 55   50 46 68 58   52 49 74 63
Dewpt         66 64 60 55   47 43 41 41   40 40 41 45   43 43 49 54
PWind dir        SE     W      NW     W      NW     W      SW    SW
Wind char        GN    GN      LT    GN      LT    LT      LT    LT
Avg clouds    OV B2 B1 SC   SC SC SC FW   FW FW FW FW   FW FW FW SC
PoP 12hr         80    20       5     5       5     0       0     5
Rain shwrs     D  D  S
Tstms          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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