Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
310 AM EDT Sat Apr 21 2018

SCZ050-212215-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
310 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
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                      72          52          72          59          70
Temp          48 50 66 70 71 62 56 53 52 56 69 71 69 63 60 60 59 61 65 69 69 66
Dewpt         43 45 45 46 47 48 49 50 50 50 52 53 53 54 55 56 56 58 60 61 62 61
RH            83 83 47 42 42 60 77 89 93 80 55 53 57 72 84 87 90 90 84 76 78 84
Wind dir      NE NE  E  E  E  E  E NE NE NE  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd       3  5 12 13 13 10  5  5  5  6 11 12 12 11 10 11 11 13 18 20 19 19
Wind gust                                                              31 29
Clouds        CL CL FW FW FW FW FW SC SC SC B2 B2 OV OV OV OV OV OV OV OV OV OV
PoP 12hr                      0           5          20          60         100
QPF 12hr                      0           0           0        0.10        2.34
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  L  L  D  D  D  D  D


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
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    75      60    77      58    76      57    76
Temp          64 64 74 68   63 62 76 69   62 60 75 68   61 59 75 67
Dewpt         63 63 63 62   61 59 59 58   56 54 52 54   54 54 53 55
PWind dir        SE     S      SW     W       W     W       W    SW
Wind char        GN    GN      LT    LT      LT    GN      LT    LT
Avg clouds    OV OV B2 B1   B1 SC B1 SC   SC B1 SC SC   FW SC SC SC
PoP 12hr         80    50      30    20      10    20      10    10
Rain shwrs     D  D  C  C    C  C  S  S          S  S

$$
GAZ118-212215-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
310 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
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                      71          56          73          61          73
Temp          52 52 67 71 71 65 60 58 56 58 70 72 70 65 62 61 61 63 69 72 72 68
Dewpt         46 48 49 50 51 52 53 53 53 55 55 56 57 57 58 59 59 60 63 63 64 63
RH            80 86 52 47 49 63 78 83 90 90 59 57 63 75 87 93 93 90 81 73 76 84
Wind dir      NE NE  E  E  E  E  E NE NE NE  E  E  E  E  E  E  E  E  E  E SE SE
Wind spd       3  4 13 14 14 12  6  6  6  6 11 13 14 13 11 11 12 14 13 17 16 14
Clouds        FW FW SC B1 B1 B1 B1 B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                      0          10          30          80         100
QPF 12hr                      0           0           0        0.91        2.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  S  C  C  C  D  D  D  D  D  D  L


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
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    77      59    79      57    76      56    77
Temp          64 64 76 69   62 61 78 69   61 59 75 67   60 59 76 67
Dewpt         63 62 61 61   59 58 58 57   55 53 51 54   53 54 53 54
PWind dir        SE    SW       W     W       W     W       W    SW
Wind char        GN    GN      LT    LT      LT    GN      LT    LT
Avg clouds    OV B2 B2 B1   SC SC SC SC   SC SC SC SC   FW FW SC SC
PoP 12hr         60    40      20    10      10    20      10    10
Rain shwrs     L  L  C  C    S  S                S  S

$$
SCZ050-212215-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
310 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
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                      68          58          68          60          68
Temp          56 55 64 67 67 62 59 58 58 59 68 68 67 63 61 61 60 62 65 67 68 66
Dewpt         44 47 47 48 49 49 51 51 52 53 54 54 55 55 56 57 57 59 61 61 63 62
RH            64 74 54 50 52 62 75 77 80 80 61 61 65 75 84 87 90 90 87 81 84 87
Wind dir      NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd       9 10 14 16 16 13  9  9  9 10 13 13 13 14 13 13 14 16 21 24 24 23
Clouds        CL CL FW FW FW FW FW SC SC B1 B2 B2 OV OV OV OV OV OV OV OV OV OV
PoP 12hr                      0           5          20          60         100
QPF 12hr                      0           0           0        0.11        2.26
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  L  L  D  D  D  D  D


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
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          63    73      61    76      59    75      58    75
Temp          64 64 72 68   63 63 75 69   62 61 74 68   61 60 74 67
Dewpt         63 63 63 62   61 60 60 59   57 55 53 55   54 55 54 56
PWind dir        SE     S      SW     W       W     W       W    SW
Wind char        BZ    GN      LT    GN      LT    GN      LT    GN
Avg clouds    OV OV B2 B1   B1 SC B1 SC   SC SC SC SC   FW SC SC SC
PoP 12hr         80    50      30    20      10    20      10    10
Rain shwrs     D  D  C  C    C  C  S  S          S  S

$$
SCZ048-212215-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
310 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
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                      72          55          71          61          71
Temp          53 54 67 71 71 63 58 56 55 58 68 71 69 64 62 61 61 62 68 70 70 67
Dewpt         45 48 48 49 50 50 51 52 52 53 54 55 56 57 57 57 58 59 62 63 64 63
RH            74 80 50 46 47 62 77 86 90 83 61 57 63 78 84 87 90 90 81 78 81 87
Wind dir      NE NE  E  E  E  E  E NE NE  E  E  E  E  E  E  E  E  E  E  E  E SE
Wind spd       4  5 12 13 13 10  6  5  6  8 11 11 13 13 11 11 12 14 18 18 18 17
Clouds        CL FW FW SC SC SC SC SC B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV
PoP 12hr                      0          10          20          80         100
QPF 12hr                      0           0           0        0.56        2.71
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  D  D  D  D  D  D  L


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
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    75      59    77      57    76      57    76
Temp          63 63 74 68   62 61 76 68   61 59 75 68   61 59 75 67
Dewpt         63 63 62 62   60 58 58 58   56 54 52 55   54 54 53 55
PWind dir        SE     S       W     W       W     W       W    SW
Wind char        GN    LT      LT    LT      LT    GN      LT    LT
Avg clouds    OV OV B2 B1   SC SC SC SC   SC SC SC SC   FW SC SC SC
PoP 12hr         70    40      20    20      10    20      10    10
Rain shwrs     L  L  C  C    S  S  S  S          S  S

$$
SCZ043-212215-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
310 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
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                      73          49          72          57          70
Temp          41 45 65 72 72 63 55 51 50 53 68 72 69 63 59 58 57 59 65 69 69 66
Dewpt         41 43 44 44 45 46 47 48 48 50 51 52 53 53 54 55 56 57 60 61 62 61
RH           100 93 46 37 38 54 74 89 93 89 54 49 57 70 83 90 96 93 84 76 78 84
Wind dir      NE NE  E  E  E SE  E NE NE NE  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd       0  1 10 10 10  8  3  3  4  5  9 10 11 10  9  9  9 11 16 16 16 14
Clouds        CL CL FW FW FW FW FW SC SC B1 B2 B2 OV OV OV OV OV OV OV OV OV OV
PoP 12hr                      0           5          20          70         100
QPF 12hr                      0           0           0        0.31        2.11
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                         S  C  C  L  L  D  D  D  D  D


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
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    75      57    78      55    76      54    77
Temp          62 62 74 67   60 60 77 68   59 58 75 66   58 57 75 66
Dewpt         61 61 61 61   59 57 57 57   54 52 50 53   52 54 50 53
PWind dir         E     S       W     W       W     W       W    SW
Wind char        GN    LT      LT    LT      LT    GN      LT    LT
Avg clouds    OV OV B2 B1   B1 B1 B1 SC   SC B1 SC SC   FW SC SC SC
PoP 12hr         80    50      30    20      10    20      10    20
Rain shwrs     D  D  C  C    C  C  S  S          S  S          S  S

$$
GAZ099-212215-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
310 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
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                      74          56          72          60          72
Temp          45 46 63 71 74 67 59 57 56 57 67 71 70 65 61 62 60 62 66 71 71 67
Dewpt         42 44 46 46 47 50 51 51 52 53 54 55 56 57 58 58 59 60 63 63 64 63
RH            89 93 54 41 38 54 75 80 86 86 63 57 61 75 90 87 96 93 90 76 79 87
Wind dir      NE NE  E  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E SE  E SE  E
Wind spd       0  0 11 10 10  8  6  5  5  8 11 12 14 14 12 12 12 13 16 14 13 11
Clouds        CL FW SC SC B1 B1 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                      0          10          40          90         100
QPF 12hr                      0           0        0.04        0.79        1.30
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C  L  L  D  D  D  D  D  D  L
Tstms                                                             S  S  S  S


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
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    75      58    77      55    75      55    76
Temp          62 62 74 68   61 60 76 67   59 57 74 66   59 58 75 66
Dewpt         62 61 60 60   58 57 56 56   54 53 50 54   53 54 52 53
PWind dir        SE    SW      NW     W       W     W       W     W
Wind char        GN    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B2 B2 B2 B1   B1 B1 B1 SC   SC B1 SC SC   FW SC SC SC
PoP 12hr         60    40      20    10      10    20      10    20
Rain shwrs     L  L  C  C    S  S                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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