Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
704 PM EDT Mon Apr 23 2018

SCZ050-240900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
704 PM EDT Mon Apr 23 2018

Date           04/23/18      Tue 04/24/18            Wed 04/25/18            Thu
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          78          59          80          58
Temp             67 66 65 64 65 73 77 77 69 63 62 59 62 71 78 79 71 64 61 59 60
Dewpt            63 63 64 63 64 62 60 59 59 59 59 58 58 57 56 57 57 57 56 55 54
RH               87 90 97 97 97 68 56 54 70 87 90 96 87 61 47 47 61 78 84 87 81
Wind dir         SE SE SE  S  S SW SW SW SW SW SW  W  W  W  W  W  W  W NW NW  N
Wind spd         18 13 11  6  6  9 10  9  6  5  4  4  5  8  9  8  5  3  3  3  3
Clouds           OV OV OV OV B1 SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC B1
PoP 12hr                     80          20           5          10           5
QPF 12hr                   0.74           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  L  L  C  S  S                                            S
Tstms             S  S
High Surf         Y  Y  Y


Date           04/26  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18
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      57    77      56    74      54    76      56    77
Temp          74 68   59 60 76 68   60 58 73 65   58 57 74 67   60 59 76 68
Dewpt         56 57   56 55 53 55   53 52 47 50   49 48 49 51   53 52 52 53
PWind dir         E       S    SW       W     W      NW    NE      SW    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B2   B2 B1 SC SC   SC SC SC FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20      40    10      10    10       5     5       5     5
Rain shwrs     S  S    C  C

$$
GAZ118-240900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
704 PM EDT Mon Apr 23 2018

Date           04/23/18      Tue 04/24/18            Wed 04/25/18            Thu
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          79          58          81          58
Temp             68 67 65 63 63 72 78 78 71 64 61 59 60 71 78 81 71 64 61 58 59
Dewpt            67 65 64 62 61 58 57 57 58 58 57 57 57 56 54 55 56 56 56 56 56
RH               97 93 97 97 93 61 48 48 63 81 87 93 90 59 43 41 59 75 84 93 90
Wind dir         SE  S  S SW SW SW SW  W  W  W  W  W  W  W  W  W  W  W  W NW  N
Wind spd         12 10  6  4  5  9 10  9  5  4  4  5  6  9 10  9  6  5  4  3  3
Clouds           OV B2 B2 B1 SC SC SC SC SC SC SC SC FW FW FW SC SC FW FW SC SC
PoP 12hr                     50          10          10           5           5
QPF 12hr                   0.08           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  C  S                                                  S
Tstms             S  S


Date           04/26  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18
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          77      56    78      55    75      54    77      55    78
Temp          76 67   59 58 76 68   59 57 74 66   58 57 75 67   59 58 76 69
Dewpt         56 57   56 55 53 54   52 51 46 49   48 48 48 52   53 52 50 53
PWind dir        SE       S     W       W     W      NW    NE       E    NE
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    GN
Avg clouds    SC B1   B2 B1 SC SC   SC SC FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20      40    10      10    10       5     5       5     5
Rain shwrs     S  S    C  C

$$
SCZ050-240900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
704 PM EDT Mon Apr 23 2018

Date           04/23/18      Tue 04/24/18            Wed 04/25/18            Thu
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          77          60          79          59
Temp             66 66 65 64 65 72 76 76 69 65 63 61 62 72 78 78 70 65 62 60 61
Dewpt            64 64 64 64 64 62 61 60 60 60 60 59 58 57 57 57 58 58 57 56 55
RH               93 93 97100 97 71 60 58 73 84 90 93 87 59 48 48 66 78 84 87 81
Wind dir         SE SE SE  S  S  S SW SW SW SW  W  W  W  W  W  W  W  W  W NW  N
Wind spd         21 18 16 10  8 10 11 10  9  6  5  5  6  8  9  8  6  4  4  3  4
Clouds           OV OV OV OV B1 SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC B1
PoP 12hr                     80          20          10          10           5
QPF 12hr                   0.78        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  L  L  C  S  S                                            S
Tstms             S  S
High Surf         Y  Y  Y


Date           04/26  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18
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          74      59    76      57    74      56    74      58    75
Temp          73 67   60 60 75 68   61 59 73 66   59 58 73 67   61 60 74 68
Dewpt         57 58   57 56 54 56   54 52 48 51   50 49 50 52   54 53 53 54
PWind dir         E       S    SW       W     W      NW    NE       S     E
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    GN
Avg clouds    B1 B1   B2 B1 SC SC   SC SC SC FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20      40    10      10    10       5     5       5     5
Rain shwrs     S  S    C  C

$$
SCZ048-240900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
704 PM EDT Mon Apr 23 2018

Date           04/23/18      Tue 04/24/18            Wed 04/25/18            Thu
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                      63          78          59          80          58
Temp             68 67 65 64 64 71 77 77 69 64 61 59 61 71 78 80 71 65 61 58 60
Dewpt            66 64 64 63 63 60 58 58 58 58 58 58 57 56 55 56 57 57 56 55 55
RH               93 90 97 97 97 68 52 52 68 81 90 96 87 59 45 44 61 75 84 90 84
Wind dir         SE SE  S  S SW SW SW SW SW SW  W  W  W  W  W  W  W  W  W NW  N
Wind spd         17 12  9  6  6 10 10  8  5  4  5  5  6  9 10  8  5  4  4  3  3
Clouds           OV OV B2 B2 B1 SC SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC
PoP 12hr                     70          10           5           5           5
QPF 12hr                   0.26           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  C  C  S                                                  S
Tstms             S  S


Date           04/26  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18
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      57    76      56    75      55    76      57    77
Temp          74 67   59 58 75 67   60 58 74 66   59 58 75 68   61 59 76 68
Dewpt         56 58   56 55 53 55   53 52 47 50   49 48 49 52   53 53 52 54
PWind dir        SE       S     W       W     W      NW    NE       E    NE
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    GN
Avg clouds    B1 B1   B2 B1 SC SC   SC SC FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20      40    10      10    10       5     5       5     5
Rain shwrs     S  S    C  C

$$
SCZ043-240900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
704 PM EDT Mon Apr 23 2018

Date           04/23/18      Tue 04/24/18            Wed 04/25/18            Thu
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          78          57          80          57
Temp             66 65 64 63 63 71 78 78 69 63 60 57 60 71 78 80 71 62 60 57 59
Dewpt            64 63 63 61 63 60 58 57 57 57 57 57 57 56 55 55 56 56 55 54 53
RH               93 93 97 93100 68 50 48 66 81 90100 90 59 45 42 59 81 84 90 80
Wind dir          E SE SE  S  S SW SW SW SW SW SW  W  W  W  W  W  W  W NW  N  N
Wind spd         11 11  6  4  5  9 10  8  5  4  4  4  5  8  9  8  4  3  3  3  4
Clouds           OV OV B2 B2 B1 SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC B1
PoP 12hr                     70          10          10          10           5
QPF 12hr                   0.31           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  L  C  C                                                  S
Tstms             S  S


Date           04/26  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18
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      54    77      53    75      52    77      53    79
Temp          75 68   57 56 75 66   58 56 73 65   56 55 75 66   58 56 77 68
Dewpt         55 56   54 54 51 53   51 51 45 48   47 47 47 50   52 51 50 51
PWind dir        SE       E     W       W     W      NW    NE       E    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B2   B2 B1 SC SC   SC SC FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20      40    10      10    10       5     5       5     5
Rain shwrs     S  S    C  C

$$
GAZ099-240900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
704 PM EDT Mon Apr 23 2018

Date           04/23/18      Tue 04/24/18            Wed 04/25/18            Thu
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          77          57          79          56
Temp             71 66 64 61 61 71 76 76 70 63 60 58 58 70 77 79 72 63 59 57 58
Dewpt            67 63 63 60 59 57 56 56 56 56 56 57 56 55 54 55 55 55 54 55 55
RH               87 90 97 97 93 61 50 50 61 78 87 96 93 59 45 44 55 75 83 93 90
Wind dir         SE SE  S SW SW SW  W  W  W  W  W  W  W  W  W  W  W  W  W NW  N
Wind spd          9  9  6  4  5  9 11 10  6  5  5  5  6  9 11  9  6  5  4  3  3
Clouds           B2 B2 B1 SC SC SC SC SC SC SC SC SC FW SC SC SC FW SC SC SC SC
PoP 12hr                     50          10          10           5           5
QPF 12hr                   0.07           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S  S                                                  C
Tstms             S  S


Date           04/26  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18
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      55    77      53    74      52    77      54    79
Temp          75 69   59 56 75 66   58 56 73 64   56 55 75 67   58 57 77 69
Dewpt         54 56   55 54 52 53   51 50 46 49   47 47 47 50   52 50 49 50
PWind dir        NW       W     W       W    NW       N    NE       E    NE
Wind char        LT      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    B1 B2   B2 B1 SC SC   SC SC FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         30      40    10      10    10       5     5       5     5
Rain shwrs     C  C    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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