Point Forecast Matrices
Issued by NWS Charleston, SC

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

SCZ050-220900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
308 PM EDT Sat Oct 21 2017

Date           10/21/17      Sun 10/22/17            Mon 10/23/17            Tue
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                      64          81          69          80          63
Temp          80 69 66 65 65 65 77 81 78 71 69 70 69 71 78 80 76 72 70 68 66 63
Dewpt         62 63 63 62 62 64 68 68 69 69 69 69 68 69 71 71 71 71 70 68 66 63
RH            54 81 90 90 90 97 74 65 74 93100 97 97 93 79 74 85 97100100100100
Wind dir       E  E  E NE NE NE  E  E  E  E SE SE SE SE SE  S  S  S  S SW SW  W
Wind spd       8  5  4  4  4  5  8 10 11  8  6  6  8  8 11 12 11 10 10  9  8  6
Clouds        SC SC SC SC SC SC SC B1 SC B1 B1 B2 B2 B2 B2 B2 OV OV OV B2 B2 B1
PoP 12hr                      5          30          30          70          80
QPF 12hr                      0           0           0        0.49        0.71
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  S  S  C  C  C  C  L  L  D  D  D  D  C
Tstms                                                 C  C  C  C  C  C  C  C


Date           10/24  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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          76      50    67      46    69      50    75      58    77
Temp          75 65   58 51 65 55   49 47 68 56   53 52 74 63   60 59 76 66
Dewpt         64 57   49 43 42 43   42 41 45 48   47 47 53 55   57 57 63 62
PWind dir         W      NW     W       W     W      SW     S      SE    SE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   FW FW FW FW   FW CL CL FW   FW CL FW FW   SC SC B1 B1
PoP 12hr         30       5     5       0     0       0     5      10    20
Rain shwrs     C                                                       S  S

$$
GAZ118-220900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
308 PM EDT Sat Oct 21 2017

Date           10/21/17      Sun 10/22/17            Mon 10/23/17            Tue
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                      66          82          70          80          62
Temp          81 72 69 67 66 67 79 82 80 73 70 71 71 72 78 80 77 73 73 70 66 62
Dewpt         64 65 65 64 64 66 69 70 71 70 70 70 71 71 72 73 72 71 70 67 66 62
RH            56 79 87 90 93 97 72 67 74 90100 97100 97 82 79 85 93 90 90100100
Wind dir       E  E  E NE NE NE  E  E SE  E  E SE SE SE SE  S  S  S  S SW SW  W
Wind spd       8  5  4  3  4  5  9 10 11  8  6  8  8  8 10 11  9 10 10  6  8  6
Clouds        SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 B1 B1
PoP 12hr                     10          30          50          70          80
QPF 12hr                      0           0        0.07        0.36        0.28
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  S  C  S  S  C  C  L  L  C  L  D  D  L  L  S
Tstms                                                 C  C  C  C  C  C  S  S


Date           10/24  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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          76      50    68      46    70      50    76      58    77
Temp          75 65   57 50 66 56   49 47 68 59   53 51 75 65   61 59 77 66
Dewpt         63 54   46 42 42 42   42 40 45 47   46 45 53 56   57 58 64 62
PWind dir         W      NW     W       W     W      SW     S      SE    SE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   FW FW FW FW   CL CL CL FW   FW FW FW SC   SC SC B1 SC
PoP 12hr         20       0     0       0     0       5     5      10    20
Rain shwrs     S                                                       S  S

$$
SCZ050-220900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
308 PM EDT Sat Oct 21 2017

Date           10/21/17      Sun 10/22/17            Mon 10/23/17            Tue
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                      68          80          71          79          66
Temp          78 71 69 68 68 69 78 80 78 72 71 71 71 72 78 79 76 73 72 70 69 66
Dewpt         62 64 64 63 63 66 69 68 70 70 70 70 69 70 72 71 72 71 71 69 68 66
RH            58 79 84 84 84 90 74 67 76 93 97 97 93 93 82 77 87 93 97 97 97100
Wind dir       E  E  E NE NE  E  E  E  E  E SE SE SE SE SE  S  S  S  S SW SW  W
Wind spd      11 10  9  8  8  8 11 12 12 10  9 10 10 11 14 14 13 13 13 13 10  9
Clouds        SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 OV OV OV OV B2 B2
PoP 12hr                      5          30          30          70          80
QPF 12hr                      0           0           0        0.49        0.69
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  S  S  C  C  C  C  L  L  D  D  D  D  C
Tstms                                                 C  C  C  C  C  C  C  C


Date           10/24  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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          76      53    67      49    68      54    75      62    76
Temp          75 67   60 53 65 57   52 50 67 58   56 55 74 65   63 63 76 67
Dewpt         64 58   50 45 42 44   44 42 44 48   48 47 53 57   59 59 63 63
PWind dir         W      NW     W       W     W      SW     S      SE     S
Wind char        GN      GN    GN      GN    LT      LT    LT      LT    GN
Avg clouds    B1 SC   FW FW FW FW   FW CL CL FW   FW CL FW FW   SC SC B1 B1
PoP 12hr         40       5     5       0     0       0     5      10    20
Rain shwrs     C                                                       S  S

$$
SCZ048-220900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
308 PM EDT Sat Oct 21 2017

Date           10/21/17      Sun 10/22/17            Mon 10/23/17            Tue
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                      65          81          70          80          62
Temp          79 71 68 67 66 66 78 81 78 72 71 71 71 71 77 80 76 72 71 70 66 62
Dewpt         62 64 64 63 63 64 68 68 69 70 70 69 69 69 71 71 70 70 70 67 66 62
RH            56 79 87 87 90 93 71 65 74 93 97 93 93 93 82 74 82 93 97 90100100
Wind dir       E  E NE NE NE NE  E  E  E  E  E SE SE SE SE  S  S  S  S SW SW  W
Wind spd       8  5  4  4  4  5  9 11 10  9  8  8  8  8 10 12 10 10 10  8  9  6
Clouds        SC SC B1 B1 SC SC B1 B2 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV B2 B1 B1
PoP 12hr                     10          30          30          70          80
QPF 12hr                      0           0           0        0.39        0.47
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C  C  S  S  C  C  L  L  C  L  D  D  L  L  C
Tstms                                                 C  C  C  C  C  C  S  S


Date           10/24  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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          76      50    68      46    70      51    75      59    77
Temp          74 66   58 50 67 56   50 47 68 58   53 52 74 64   61 60 76 65
Dewpt         62 54   46 42 41 42   42 40 43 46   46 46 51 55   57 57 61 62
PWind dir         W      NW     W       W     W      SW    SE      SE     S
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 FW   FW FW FW FW   FW CL CL FW   FW CL FW FW   SC SC B1 SC
PoP 12hr         30       5     0       0     0       5     5      10    20
Rain shwrs     C                                                       S  S

$$
SCZ043-220900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
308 PM EDT Sat Oct 21 2017

Date           10/21/17      Sun 10/22/17            Mon 10/23/17            Tue
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                      60          82          67          80          60
Temp          81 68 64 62 61 62 76 82 80 70 69 69 68 68 77 80 76 72 70 66 62 60
Dewpt         59 61 61 61 61 62 66 67 67 69 68 67 67 68 70 70 70 69 68 66 62 60
RH            47 78 90 97100100 71 61 65 97 97 93 97100 79 72 82 90 93100100100
Wind dir       E  E  E NE NE NE  E  E SE  E  E  E  E SE SE  S SE  S  S SW SW SW
Wind spd       5  3  2  2  2  4  6  8  8  6  4  4  5  5  9 10  9  8  9  6  8  5
Clouds        FW SC SC SC SC SC SC B2 B2 B1 B1 B2 B2 OV B2 OV OV OV OV B2 B1 B1
PoP 12hr                      5          30          30          70          80
QPF 12hr                      0           0           0        0.42        0.56
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  S  S  C  C  L  L  L  L  D  D  L  L  C
Tstms                                                 C  C  C  C  C  C  S  S


Date           10/24  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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          75      47    67      43    69      47    75      54    76
Temp          73 63   55 47 65 54   47 44 66 55   49 48 73 61   57 55 75 65
Dewpt         61 54   45 41 40 42   40 39 43 46   45 44 50 53   54 55 61 60
PWind dir         W      NW     W       W     W       S     S      NE     S
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW   FW FW FW FW   FW CL CL FW   FW CL FW FW   SC SC B1 SC
PoP 12hr         30       0     0       0     0       0     5      10    20
Rain shwrs     C                                                       S  S

$$
GAZ099-220900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
308 PM EDT Sat Oct 21 2017

Date           10/21/17      Sun 10/22/17            Mon 10/23/17            Tue
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                      62          82          69          80          60
Temp          82 70 66 64 63 63 76 81 81 72 69 69 70 73 76 80 78 73 72 69 63 60
Dewpt         60 62 62 62 61 63 67 68 69 70 69 69 70 70 72 71 70 71 68 65 63 60
RH            47 76 87 93 93100 74 65 67 93100100100 90 87 74 76 93 87 87100100
Wind dir       E  E  E  E NE  E  E  E  E  E  E SE SE SE SE  S  S  S SW  W SW  W
Wind spd       5  3  2  2  2  6  9 10 10  8  6  6  6  8 10 13 11 10  8  6  8  6
Clouds        SC B1 SC SC B1 B2 B1 SC B1 B1 B1 B2 OV OV OV OV OV OV B2 B2 B1 B1
PoP 12hr                     10          20          40          80          70
QPF 12hr                      0           0           0        0.45        0.23
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  S  S  C  C  L  L  L  D  L  L  L  L  S
Tstms                                                 C  C  C  C  C  C  S  S


Date           10/24  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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          75      47    67      44    70      47    76      55    76
Temp          74 62   54 48 65 55   48 45 67 57   52 48 74 63   59 56 76 64
Dewpt         58 52   44 42 41 43   41 40 43 48   44 44 48 53   54 56 61 60
PWind dir         W      NW     W       W     W       S     S      SE    SE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW   FW FW FW FW   CL CL CL FW   CL CL FW FW   SC SC B1 SC
PoP 12hr         20       0     0       0     0       0     5      10    20
Rain shwrs     S                                                       S  S

$$

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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