Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
702 PM EST Wed Feb 21 2018

SCZ050-220900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
702 PM EST Wed Feb 21 2018

Date           02/21/18      Thu 02/22/18            Fri 02/23/18            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          82          59          81          61
Temp                67 66 64 64 74 81 80 69 64 63 61 60 73 79 78 69 64 62 62 62
Dewpt               64 63 62 61 62 62 62 62 61 60 60 59 62 62 61 61 61 61 61 60
RH                  90 90 93 90 66 53 54 78 90 90 97 96 68 56 56 76 90 97 97 93
Wind dir             S  S  N  S  S  S  S  S SE SE  E  E SE  S  S  S  S  S  S  S
Wind spd             5  4  0  3  5  8  8  4  2  2  1  2  4  9  9  5  3  3  3  4
Clouds              B1 SC B2 B2 B1 SC SC FW FW SC SC B1 B1 B1 B1 SC SC B1 B1 B1
PoP 12hr                      5           5          10          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                               S  S  S
Obvis               PF  F F+ F+                F+ F+ F+                 F  F  F


Date           02/24  Sun 02/25/18  Mon 02/26/18  Tue 02/27/18  Wed 02/28/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          81      62    81      60    72      55    70      51    66
Temp          79 70   63 64 80 70   64 60 71 67   58 55 69 60   55 51 66 58
Dewpt         62 62   61 61 62 62   62 58 56 56   53 51 50 52   49 45 47 45
PWind dir         S       S    SW      SW     N      NE    NE      NE    NE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 FW   SC SC B1 B1   B2 B2 B2 OV   B2 B1 SC SC   SC SC SC SC
PoP 12hr         10       5    20      30    50      40    10      10    10
Rain shwrs                   S  S    C  C  C  C    C  C

$$
GAZ118-220900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
702 PM EST Wed Feb 21 2018

Date           02/21/18      Thu 02/22/18            Fri 02/23/18            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          59          81          60
Temp                68 65 63 64 74 81 81 70 66 63 60 61 74 80 80 70 65 62 61 61
Dewpt               64 63 62 61 63 62 62 62 61 60 60 59 63 62 62 62 62 61 61 60
RH                  87 93 97 90 69 53 53 76 84 90100 93 69 54 54 76 90 97100 97
Wind dir            SE SE  N SE SE SE SE SE  E  E  E  E  E SE SE SE SE  S  S  S
Wind spd             5  4  0  3  4  8  8  5  3  2  2  2  5  8  9  5  4  3  3  4
Clouds              B1 B1 B2 B2 B1 SC SC FW SC SC B1 B1 B2 B1 B1 SC SC B1 B1 B1
PoP 12hr                      5           5           5          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                               S  S  S
Obvis               PF PF F+ F+                F+ F+ F+                 F  F  F


Date           02/24  Sun 02/25/18  Mon 02/26/18  Tue 02/27/18  Wed 02/28/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          82      62    83      61    75      56    71      53    66
Temp          81 71   64 63 82 73   65 61 74 69   59 56 70 62   56 53 65 60
Dewpt         63 62   61 61 62 63   62 58 58 57   55 53 52 53   50 49 50 51
PWind dir         S       S    SW       W    NE       N    NE      NE    NE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC B1   B2 B2 B2 B2   B2 B2 B1 B1   B1 B1 B1 B1
PoP 12hr         10       5    20      30    50      50    10      10    10
Rain shwrs                   S  S    C  C  C  C    C  C

$$
SCZ050-220900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
702 PM EST Wed Feb 21 2018

Date           02/21/18      Thu 02/22/18            Fri 02/23/18            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          77          59          78          61
Temp                65 64 63 63 71 76 75 67 63 62 60 60 71 75 75 67 63 62 62 62
Dewpt               63 63 62 61 63 62 62 62 62 61 60 60 63 62 62 62 62 62 61 61
RH                  93 97 97 93 76 62 64 84 97 97100100 76 64 64 84 97100 97 97
Wind dir            SE  S  S  S  S  S  S SE SE SE  E  E SE SE  S  S  S  S  S  S
Wind spd             6  6  4  3  5  8  8  4  2  2  1  2  5  9  9  5  4  4  4  4
Clouds              B1 B1 B2 B2 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 B1
PoP 12hr                      5           5          10          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                               S  S  S
Obvis               PF  F F+ F+                F+ F+ F+                 F  F  F


Date           02/24  Sun 02/25/18  Mon 02/26/18  Tue 02/27/18  Wed 02/28/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          77      62    78      60    71      55    69      52    66
Temp          75 67   63 63 77 69   64 60 71 65   58 55 68 60   55 53 65 59
Dewpt         63 62   62 61 63 62   62 58 57 57   54 52 51 52   50 47 48 47
PWind dir         S       S    SW      SW     N       N    NE      NE    NE
Wind char        GN      GN    GN      LT    LT      LT    GN      LT    GN
Avg clouds    B1 FW   SC SC SC B1   B2 B2 B2 OV   B2 B1 SC SC   SC SC SC SC
PoP 12hr         10       5    10      30    50      40    10      10    10
Rain shwrs                           C  C  C  C    C  C

$$
SCZ048-220900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
702 PM EST Wed Feb 21 2018

Date           02/21/18      Thu 02/22/18            Fri 02/23/18            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          80          59          81          61
Temp                67 65 63 64 73 79 79 68 63 62 60 61 73 79 78 68 64 63 62 62
Dewpt               64 63 62 61 62 63 63 63 62 61 60 60 63 63 63 63 62 61 61 61
RH                  90 93 97 90 68 58 58 84 97 97100 97 71 58 60 84 93 93 97 97
Wind dir            SE SE  N SE SE SE SE SE SE SE  E  E  E SE SE SE SE  S  S  S
Wind spd             5  4  0  3  4  6  6  4  2  2  1  2  4  8  8  4  3  4  3  4
Clouds              B1 B1 B2 B2 B2 SC SC SC SC SC SC SC B1 B1 B1 SC SC SC B1 B1
PoP 12hr                      5           5           5          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                               S  S  S
Obvis               PF  F F+ F+                F+ F+ F+                 F  F  F


Date           02/24  Sun 02/25/18  Mon 02/26/18  Tue 02/27/18  Wed 02/28/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          81      62    81      60    73      55    70      52    67
Temp          79 68   63 63 80 70   64 60 71 67   58 55 69 60   55 52 67 59
Dewpt         64 63   61 61 62 63   61 58 58 56   54 52 51 52   50 48 49 49
PWind dir         S       S    SW       W     N       N    NE      NE    NE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC B1   B2 B2 B2 B2   B2 B2 B1 SC   SC SC B1 B1
PoP 12hr         10       5    20      30    50      50    10      10    10
Rain shwrs                   S  S    C  C  C  C    C  C

$$
SCZ043-220900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
702 PM EST Wed Feb 21 2018

Date           02/21/18      Thu 02/22/18            Fri 02/23/18            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          83          59          82          60
Temp                69 66 64 64 74 81 82 71 64 62 60 60 73 80 80 70 64 62 61 61
Dewpt               64 63 62 61 62 61 61 61 60 60 60 58 61 61 61 61 61 61 61 60
RH                  84 90 93 90 66 51 49 71 87 93100 93 66 52 52 73 90 97100 97
Wind dir             S  S  N SE  S  S  S  S SE SE  E  E SE  S  S  S  S  S  S  S
Wind spd             4  2  0  2  4  5  6  4  2  2  1  1  4  8  8  4  3  3  2  3
Clouds              B1 B1 B2 B2 B2 SC SC FW FW SC SC B1 B1 B1 B1 SC SC B1 B1 B1
PoP 12hr                      5           5           5          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                               S  S  S
Obvis               PF PF F+ F+                F+ F+ F+                 F  F  F


Date           02/24  Sun 02/25/18  Mon 02/26/18  Tue 02/27/18  Wed 02/28/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          83      61    83      59    72      52    71      49    68
Temp          81 72   64 63 82 72   64 60 69 67   56 53 68 60   53 49 66 59
Dewpt         61 61   60 61 61 62   61 57 56 56   53 50 49 51   48 45 46 45
PWind dir         S       S    SW       W     N      NE    NE      NE    NE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   SC SC B1 B2   B2 B2 B2 OV   B2 B1 SC SC   SC SC SC SC
PoP 12hr         20       5    20      30    50      40    10      10    10
Rain shwrs     S  S          S  S    C  C  C  C    C  C

$$
GAZ099-220900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
702 PM EST Wed Feb 21 2018

Date           02/21/18      Thu 02/22/18            Fri 02/23/18            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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          83          58          82          61
Temp                70 67 65 65 72 80 83 73 66 63 61 60 73 80 82 72 66 63 62 61
Dewpt               65 65 64 63 64 62 61 61 61 61 61 59 62 61 60 62 62 62 62 61
RH                  84 93 97 93 76 54 47 66 84 93100 96 68 52 47 71 87 97100100
Wind dir            SE SE  N  S  S  S SE SE SE SE SE  E SE SE SE SE SE  S  S  S
Wind spd             6  3  0  3  4  6  6  4  4  3  2  3  4  8  8  4  3  4  3  4
Clouds              SC B1 B2 OV B2 B1 SC FW SC SC B1 B1 B1 B1 B2 B1 B1 B1 B1 B1
PoP 12hr                      5           5           5          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                               S  S  S
Obvis                  PF PFPF+                F+ F+ F+                 F  F  F


Date           02/24  Sun 02/25/18  Mon 02/26/18  Tue 02/27/18  Wed 02/28/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          84      62    83      60    74      54    71      51    67
Temp          81 75   65 63 81 74   65 61 71 69   58 54 69 64   55 51 64 61
Dewpt         62 60   61 61 61 63   60 56 57 56   53 51 50 50   49 46 48 50
PWind dir         S       S    SW      NW     N       N    NE      NE    NE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC B1 B2   B2 B2 B2 OV   B2 B1 B1 SC   B1 B1 B1 B1
PoP 12hr         10      10    20      40    50      30    10      10    10
Rain shwrs                   S  S    C  C  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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