Point Forecast Matrices
Issued by NWS Charleston, SC

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937
FOUS52 KCHS 210527
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
126 AM EDT Sat Oct 21 2017

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

Date           10/20/17      Sat 10/21/17            Sun 10/22/17            Mon
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                      56          81          64          81          64
Temp                   60 58 58 72 79 79 72 69 67 65 63 74 80 79 72 69 67 66 65
Dewpt                  56 55 55 59 60 61 63 64 63 63 61 67 67 67 66 66 65 64 64
RH                     87 90 90 64 52 54 73 84 87 93 93 79 65 67 81 90 93 93 97
Wind dir                E  S  N NE  E  E  E  E NE NE NE  E  E SE  E  E  E  E  E
Wind spd                2  0  1  6  8  9  5  4  4  2  5 10 11 10  9  5  4  5  5
Clouds                 CL FW FW FW FW FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2
PoP 12hr                      0           0           5          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  S  S  S  S  S  S  C
Obvis                     PF


Date           10/23  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          81      66    78      56    71      49    67      49    72
Temp          79 73   69 67 78 69   64 56 70 60   53 50 65 56   52 50 71 61
Dewpt         68 69   67 66 65 62   56 50 47 47   45 43 44 46   46 45 50 54
PWind dir         E       S    SW       W    NW      NW    NW       W    SW
Wind char        GN      GN    GN      LT    GN      LT    LT      LT    LT
Avg clouds    B2 B2   OV B2 B1 B1   SC SC SC SC   FW FW SC SC   FW FW FW FW
PoP 12hr         50      70    50      10    10      10    10       5    10
Rain shwrs     C  C    L  L  C  C
Tstms                  C  C  C

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

Date           10/20/17      Sat 10/21/17            Sun 10/22/17            Mon
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                      58          82          66          81          66
Temp                   62 60 59 73 80 80 74 70 69 67 65 75 80 80 73 70 69 67 67
Dewpt                  59 57 57 61 63 63 64 65 64 64 63 68 69 69 68 68 68 67 67
RH                     90 90 93 66 56 56 71 84 84 90 93 79 69 69 84 93 97100100
Wind dir                E  S  N NE  E  E  E  E NE NE NE  E  E  E  E  E  E  E  E
Wind spd                4  0  1  6  9  9  5  4  3  1  3  9  9  9  8  5  4  4  4
Clouds                 CL FW SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2
PoP 12hr                      0           0          10          50          20
QPF 12hr                      0           0           0        0.16           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  S  S  S  S  C
Tstms                                                                         S
Obvis                     PF


Date           10/23  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          81      66    78      55    71      48    69      49    74
Temp          80 73   68 66 77 69   61 55 70 59   52 49 67 57   52 50 73 63
Dewpt         71 70   67 65 64 60   53 48 44 45   43 41 44 46   45 44 50 54
PWind dir         E       S    SW       W    NW      NW    NW       W    SW
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B2 OV   OV B2 B1 B1   SC SC SC FW   FW FW FW SC   FW FW FW FW
PoP 12hr         60      70    40      10    10       5     5       5    10
Rain shwrs     C  L    L  L  C  C
Tstms          S  S    C  C  C

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

Date           10/20/17      Sat 10/21/17            Sun 10/22/17            Mon
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          79          68          78          69
Temp                   64 62 61 72 78 78 73 71 70 69 68 74 77 77 72 71 70 69 69
Dewpt                  58 57 57 60 61 63 64 65 64 64 64 68 68 67 67 67 66 66 66
RH                     81 84 87 66 56 60 73 81 81 84 87 82 74 71 84 87 87 90 90
Wind dir                E NE NE NE  E  E  E  E NE NE NE  E  E  E  E  E  E  E  E
Wind spd                3  0  4  8 10 11 10  9  6  4  9 12 13 12 11  8  6  8  8
Clouds                 CL FW FW FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2
PoP 12hr                      0           0          10          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  S  S  S  S  S  S  C


Date           10/23  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          78      68    78      58    71      52    67      52    72
Temp          77 72   69 68 77 70   64 58 70 61   55 52 66 57   54 53 71 62
Dewpt         68 69   68 67 65 62   57 51 47 48   46 44 45 46   47 46 50 54
PWind dir         E       S    SW       W    NW      NW    NW       W    SW
Wind char        GN      GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    B2 B2   OV B2 B2 B1   SC SC SC SC   SC FW SC SC   FW FW FW FW
PoP 12hr         50      70    50      20    10      10    10       5    10
Rain shwrs     C  C    L  L  C  C    S
Tstms                  C  C  C

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

Date           10/20/17      Sat 10/21/17            Sun 10/22/17            Mon
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                      58          81          65          80          65
Temp                   62 60 59 73 79 79 73 69 68 66 63 74 79 79 72 69 68 66 66
Dewpt                  58 57 57 60 61 62 64 64 64 64 63 68 69 69 68 68 67 66 66
RH                     87 90 93 64 54 56 73 84 87 93100 82 72 72 87 97 97100100
Wind dir                E  S  N NE  E  E  E NE NE NE NE  E  E  E  E  E  E  E  E
Wind spd                3  0  1  6  8  9  5  5  4  2  4  9 10  9  9  5  4  5  5
Clouds                 CL FW FW FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2
PoP 12hr                      0           0          10          40          20
QPF 12hr                      0           0           0        0.16           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  S  S  S  S  C
Tstms                                                                         S
Obvis                     PF


Date           10/23  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          80      66    78      55    71      49    68      50    72
Temp          79 73   68 67 77 69   63 56 69 60   53 50 67 57   52 51 71 62
Dewpt         69 70   67 65 63 60   54 48 44 45   44 42 43 45   46 45 49 53
PWind dir         E       S    SW       W    NW      NW    NW       W    SW
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B2 B2   OV B2 B1 B1   SC SC SC SC   FW FW SC SC   FW FW FW FW
PoP 12hr         60      70    50      10    10      10     5       5    10
Rain shwrs     C  L    L  L  C  C
Tstms          S  S    C  C  C

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

Date           10/20/17      Sat 10/21/17            Sun 10/22/17            Mon
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                      52          82          60          81          62
Temp                   57 54 54 71 80 80 70 66 64 62 60 73 79 79 71 67 65 64 63
Dewpt                  54 52 52 58 58 59 61 61 61 60 59 66 67 67 66 66 65 63 63
RH                     90 93 93 63 47 49 73 84 90 93 96 79 67 67 84 97100 97100
Wind dir                E  S  S NE  E  E  E NE NE NE NE  E  E SE  E  E  E NE NE
Wind spd                2  0  0  5  6  6  3  3  2  0  2  8  8  8  6  4  2  4  3
Clouds                 CL FW FW FW FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2
PoP 12hr                      0           0           5          30          10
QPF 12hr                      0           0           0        0.06           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C              C
Obvis                     PF PF


Date           10/23  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          80      64    77      53    70      46    67      46    72
Temp          79 72   67 65 77 67   62 53 68 58   51 47 65 54   50 47 69 59
Dewpt         68 68   66 64 63 60   53 48 44 45   43 41 41 43   44 43 48 51
PWind dir         E       S    SW       W    NW      NW     W       W    SW
Wind char        GN      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B2 OV   OV B2 B1 B1   SC SC SC SC   FW FW FW SC   FW FW FW FW
PoP 12hr         50      70    50      10    10       5     5       5    10
Rain shwrs     C  C    L  L  C  C
Tstms                  C  C  C

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

Date           10/20/17      Sat 10/21/17            Sun 10/22/17            Mon
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                      54          82          62          81          66
Temp                   59 56 56 72 80 80 71 67 65 64 62 74 80 79 73 70 69 67 67
Dewpt                  56 54 54 59 58 59 62 62 62 61 60 66 67 68 68 68 67 66 66
RH                     90 93 93 64 47 49 73 84 90 90 93 76 65 69 84 93 93 97 97
Wind dir                E  S  S  E  E  E  E  E  E NE NE  E  E  E  E  E  E  E  E
Wind spd                3  0  0  6  8  8  3  3  2  0  2  9 10  8  6  5  3  5  4
Clouds                 FW FW FW SC SC SC SC SC SC B1 B1 B2 B2 B1 B1 B2 B2 OV OV
PoP 12hr                      0           0           5          50          20
QPF 12hr                      0           0           0        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  S  S  S  S  C
Tstms                                                                         S
Obvis                     PF PF


Date           10/23  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          80      63    76      53    69      46    68      46    74
Temp          79 71   66 64 75 66   60 53 68 55   50 47 65 55   50 47 72 61
Dewpt         70 69   65 63 60 57   51 46 42 43   42 41 42 45   44 43 49 53
PWind dir         E       S     W       W    NW      NW     W      SW    SW
Wind char        GN      LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    OV OV   OV B2 B1 SC   SC FW SC FW   FW FW FW FW   FW FW FW FW
PoP 12hr         70      70    20      10     5       5     5       5     5
Rain shwrs     C  L    L  L  S  S
Tstms          S  S    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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