Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
313 AM EDT Sun Apr 30 2017

SCZ050-302100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
313 AM EDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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          71          85          63          82
Temp          73 74 82 85 85 79 75 73 71 73 82 84 83 77 73 68 64 64 75 81 81 71
Dewpt         71 72 71 70 69 69 69 69 69 68 68 68 68 68 67 66 62 57 53 50 51 55
RH            93 93 69 61 59 72 82 87 93 84 63 59 61 74 81 93 93 78 46 34 35 57
Wind dir       S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW  W  W  W  W SW SW
Wind spd       4  6 16 19 19 16 10 10  9 12 19 24 21 17 12 10  6  6  6  9  9  4
Wind gust                                      34 32
Clouds        B1 B2 B1 SC SC SC SC SC B1 B1 B1 B1 B1 OV OV B2 SC SC FW CL CL CL
PoP 12hr                     10          10          30          80          10
QPF 12hr                      0           0           0        0.23           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  S  S  D  D  C  C
Tstms                                        S  S  S  S  S
Heat index             90
Max heat               90


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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          61    84      67    82      65    77      58    76
Temp          63 64 84 75   68 69 81 72   66 67 77 69   61 60 75 69
Dewpt         58 53 54 59   61 65 66 68   66 65 63 60   58 57 55 56
PWind dir        SW     E      SE     S       S    SW       W     W
Wind char        LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    CL FW FW SC   SC B1 B2 B2   B2 B2 B2 B1   B1 B1 SC SC
PoP 12hr          0     0      20    60      60    50      30    20
Rain shwrs                   S  S  L  L    L  L  C  C    C  C  S  S
Tstms                        S  S  L  L    L  L  C  C    S  S  S  S

$$
GAZ118-302100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
313 AM EDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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          71          85          62          83
Temp          73 73 81 85 85 79 75 73 71 73 82 85 84 78 72 68 63 63 73 81 82 73
Dewpt         71 72 71 69 69 69 70 69 69 69 68 68 68 67 65 62 60 56 52 48 48 52
RH            93 97 72 59 59 72 84 87 93 87 63 57 59 69 79 81 90 78 48 32 31 48
Wind dir      SE SE  S SE SE SE SE  S  S  S  S  S  S SW SW  W  W NW  W  W SW  S
Wind spd       5  8 16 19 23 20 11 10 10 13 19 20 18 13 10  8  6  6  6  8  8  3
Wind gust                 34                   31
Clouds        B2 B1 B1 B1 SC SC SC B1 B2 B1 B1 B1 B2 OV B2 B1 SC SC FW CL CL CL
PoP 12hr                     10          10          50          80           5
QPF 12hr                      0           0        0.09        0.14           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C  D  D  S  S
Tstms                                     S  S  C  C  S  S


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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          60    86      67    84      64    78      56    78
Temp          63 64 85 76   68 69 84 74   66 64 78 70   59 58 77 69
Dewpt         57 56 55 60   63 66 67 69   65 64 61 58   56 55 54 56
PWind dir        SW     S      SE     S      SW    SW       W     W
Wind char        LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    CL FW FW SC   SC B1 B2 B2   B2 B2 B1 B1   B1 SC SC SC
PoP 12hr          0     5      20    60      50    40      30    20
Rain shwrs                   S  S  L  L    C  C  C  C    C  C  S  S
Tstms                        S  S  L  L    C  C  C  C    S  S  S  S

$$
SCZ050-302100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
313 AM EDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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                      84          72          83          65          81
Temp          74 75 81 83 82 78 75 74 73 74 80 83 81 76 73 69 65 66 75 80 80 72
Dewpt         72 72 72 71 70 70 70 69 70 70 69 69 68 68 68 67 63 58 53 50 51 56
RH            93 90 74 67 67 76 84 84 90 87 69 63 65 76 84 93 93 75 46 35 36 57
Wind dir       S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW  W NW  W  W SW SW
Wind spd       8  9 17 18 19 17 12 13 12 13 20 24 23 18 14 11  9  6  6  9 11  5
Clouds        B1 B2 B1 SC SC SC SC SC B1 B1 B1 B1 B1 OV OV B2 B1 SC FW FW CL CL
PoP 12hr                      5          10          20          80          10
QPF 12hr                      0           0           0        0.25           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  D  D  C  C
Tstms                                           S  S  S  S


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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    81      70    79      67    76      62    75
Temp          66 66 81 74   70 71 79 73   68 68 76 69   64 63 74 69
Dewpt         59 55 56 60   63 66 67 69   67 66 64 62   58 58 57 58
PWind dir         W     E      SE     S       S    SW       W     W
Wind char        LT    LT      GN    GN      GN    BZ      GN    GN
Avg clouds    CL FW FW FW   SC B1 B2 B2   B2 B2 B1 B1   B1 B1 SC SC
PoP 12hr          0     0      20    50      60    50      30    20
Rain shwrs                   S  S  C  C    L  L  C  C    C  C  S  S
Tstms                        S  S  C  C    L  L  C  C    S  S  S  S

$$
SCZ048-302100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
313 AM EDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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          73          85          63          82
Temp          74 74 81 84 84 79 76 75 73 76 83 84 83 77 73 70 65 64 72 80 81 72
Dewpt         72 73 71 70 69 69 70 70 70 70 69 69 68 67 66 64 61 57 52 49 49 53
RH            93 97 72 63 61 72 82 84 90 82 63 61 61 71 79 81 87 78 49 34 33 51
Wind dir       S SE  S  S  S  S  S  S  S  S  S  S  S  S SW  W  W NW  W  W SW SW
Wind spd       4  5 11 12 14 12  9  8  9 11 18 20 18 13 11  9  8  6  6  8  9  4
Clouds        B2 B1 B1 B1 SC SC SC SC B1 B1 B1 B2 B2 OV B2 B1 SC SC FW CL CL CL
PoP 12hr                     10          10          40          80          10
QPF 12hr                      0           0           0        0.17           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  S  C  D  D  S  S
Tstms                                        S  S  C  S  S


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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          62    85      67    83      65    78      58    77
Temp          64 66 84 75   69 71 82 73   68 66 76 70   62 61 76 70
Dewpt         58 55 53 59   63 65 66 68   66 64 62 59   57 56 54 56
PWind dir        SW     S      SE     S      SW    SW       W     W
Wind char        LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    CL FW FW SC   SC B1 B2 B2   B2 B2 B1 B1   B1 SC SC SC
PoP 12hr          0     0      20    60      50    40      30    20
Rain shwrs                   S  S  L  L    C  C  C  C    C  C  S  S
Tstms                        S  S  L  L    C  C  C  C    S  S  S  S

$$
SCZ043-302100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
313 AM EDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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          70          85          60          83
Temp          72 72 82 86 85 79 75 72 71 73 81 85 83 75 71 67 62 61 73 81 83 73
Dewpt         70 72 70 66 67 67 67 68 69 68 68 67 67 66 64 62 59 56 51 47 47 51
RH            93100 67 51 55 67 76 87 93 84 65 55 59 74 79 84 90 84 46 30 28 46
Wind dir      SE SE  S  S  S  S  S  S  S  S  S  S  S  S SW  W  W  W  W  W  W SW
Wind spd       2  4 11 13 14 11  9  8  6 10 16 19 18 13 10  9  6  5  6  9  9  3
Clouds        B2 B2 B1 SC SC SC SC B1 B1 B2 B1 B2 B2 OV B2 SC SC FW FW CL CL CL
PoP 12hr                     10          20          60          80           5
QPF 12hr                      0           0        0.09        0.14           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C  D  D  S  S
Tstms                                     S  S  C  C  S  S


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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          58    85      63    82      62    76      55    75
Temp          61 61 85 77   65 66 82 72   64 65 76 68   58 57 74 68
Dewpt         53 52 51 56   61 63 64 67   63 63 60 58   56 55 54 55
PWind dir        SW     E      SE     S      SW    SW      SW     W
Wind char        LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    CL FW FW SC   SC B1 B2 B2   B2 B2 B2 B1   B1 B1 SC SC
PoP 12hr          0     0      20    60      60    50      30    20
Rain shwrs                   S  S  L  L    L  L  C  C    C  C  S  S
Tstms                        S  S  L  L    L  L  C  C    S  S  S  S

$$
GAZ099-302100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
313 AM EDT Sun Apr 30 2017

Date             Sun 04/30/17            Mon 05/01/17            Tue 05/02/17
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          68          84          58          84
Temp          71 71 82 87 86 79 74 71 69 71 79 84 83 79 69 65 60 60 75 81 84 76
Dewpt         69 70 70 66 66 67 68 68 69 69 68 66 66 64 62 59 57 55 51 47 46 50
RH            93 97 67 50 51 67 82 90100 93 69 55 57 60 78 81 90 84 43 30 27 40
Wind dir      SE  S  S  S  S SE SE  S  S  S  S SW SW  W  W  W  W NW NW  W  W  W
Wind spd       5  5 12 10 11 11 11  9  8 10 17 18 16 11  8  6  4  4  6  9  8  2
Clouds        B2 B2 B1 B1 B1 SC SC B1 B2 B2 B2 B2 OV B2 SC SC FW FW FW CL CL CL
PoP 12hr                     10          20          70          30           5
QPF 12hr                      0           0        0.17           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  S  C  C  L  C  C
Tstms                                  S  S  C  C  L  S  S


Date          Wed 05/03/17  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17
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          58    88      64    84      61    76      54    75
Temp          62 61 86 80   65 66 84 77   65 62 75 72   58 55 73 70
Dewpt         49 55 52 57   61 63 65 67   63 62 59 57   55 54 55 56
PWind dir        SW    SE      SE     S      SW     W       W     W
Wind char        LT    LT      LT    GN      GN    GN      LT    GN
Avg clouds    CL FW FW SC   B1 B2 B2 OV   B2 B2 B1 B1   B1 SC SC SC
PoP 12hr          0     5      20    70      50    40      30    20
Rain shwrs                   S  S  L  L    C  C  C  C    C  C  S  S
Tstms                        S  S  L  L    C  C  C  C    S  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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