Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
142 AM EDT Fri Oct 20 2017

SCZ050-210900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
142 AM EDT Fri Oct 20 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      57          80          58          82          63
Temp                   61 59 58 72 78 78 68 64 62 60 59 75 81 80 70 66 65 64 65
Dewpt                  58 56 55 57 55 56 58 58 57 56 55 57 60 61 62 62 62 63 63
RH                     90 90 90 59 45 47 70 81 84 87 87 54 49 52 76 87 90 97 93
Wind dir                N  N  N NE NE  E SE  E  E NE NE NE  E  E  E  E NE NE NE
Wind spd                1  1  2  5  4  4  3  3  2  2  3  4  5  5  5  4  4  4  4
Clouds                 CL CL CL CL CL CL CL CL CL FW FW SC SC SC SC SC SC B1 B1
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         S


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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      68    80      66    78      58    70      51    67
Temp          81 72   69 69 80 72   69 67 77 70   62 58 69 61   54 51 67 58
Dewpt         68 69   68 68 71 70   68 66 64 60   54 52 47 46   44 42 46 44
PWind dir         E      SE    SE       S    SW       W    NW      NW    NW
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B1 B2 B2   B2 B2 B1 SC   SC SC SC SC   FW FW SC SC
PoP 12hr         30      30    50      50    50      20    20       5    10
Rain shwrs     C  C    C  C  C  C    C  C  C  C    S  S  S  S
Tstms          S  S    S  S  C  C    S  S  S  S

$$
GAZ118-210900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
142 AM EDT Fri Oct 20 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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                      57          81          60          83          67
Temp                   61 59 58 72 79 79 70 66 64 62 61 77 82 81 72 68 68 67 68
Dewpt                  58 56 56 58 58 58 60 60 60 59 59 60 62 63 64 64 64 64 64
RH                     90 90 93 61 49 49 71 81 87 90 93 56 51 54 76 87 87 90 87
Wind dir                N  N  N NE  E  E  E  E  E NE NE NE  E  E  E  E  E  E NE
Wind spd                1  1  2  5  6  6  4  3  4  3  5  8  9  8  6  5  4  4  5
Clouds                 CL CL CL CL CL CL CL CL FW FW SC SC SC SC SC SC SC B1 B1
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         S
Obvis                  PF PF PF


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          83      71    81      67    78      57    71      51    70
Temp          83 73   71 71 81 74   70 67 77 69   61 57 70 62   55 51 69 61
Dewpt         68 70   70 69 72 71   68 65 63 60   54 49 46 47   43 43 46 45
PWind dir         E      SE    SE       S     W       W    NW      NW    NW
Wind char        LT      LT    LT      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1   B1 B2 B2 B2   B2 B2 B1 SC   SC SC SC FW   FW FW SC SC
PoP 12hr         40      40    50      50    50      20    10       5    10
Rain shwrs     C  C    C  C  C  C    C  C  C  C    S  S
Tstms          S  S    S  S  C  C    S  S  S  S

$$
SCZ050-210900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
142 AM EDT Fri Oct 20 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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          80          61          80          67
Temp                   65 63 63 73 79 78 70 66 64 63 62 75 80 79 71 69 68 67 67
Dewpt                  60 58 57 58 57 58 59 59 59 58 57 59 61 62 63 63 63 64 65
RH                     84 84 81 59 47 50 68 78 84 84 84 58 52 56 76 81 84 90 93
Wind dir                N  N  N NE NE  E  E  E  E NE NE  E  E  E  E  E  E  E  E
Wind spd                3  3  4  8  5  5  4  4  4  3  5  6  8  8  8  6  5  5  6
Clouds                 CL CL CL CL CL CL CL CL CL FW FW SC SC SC SC SC SC B1 B1
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         S


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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      71    80      68    77      60    70      53    67
Temp          80 73   71 71 80 73   71 68 77 70   63 60 69 62   56 54 67 60
Dewpt         69 69   69 69 71 70   69 67 64 60   55 52 48 47   46 44 46 45
PWind dir         E      SE    SE       S    SW       W    NW      NW    NW
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1   B1 B1 B2 B2   B2 B2 B1 B1   SC SC SC SC   FW FW SC SC
PoP 12hr         40      30    50      50    50      20    20       5    10
Rain shwrs     C  C    C  C  C  C    C  C  C  C    S  S  S  S
Tstms          S  S    S  S  C  C    S  S  S  S

$$
SCZ048-210900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
142 AM EDT Fri Oct 20 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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          60          82          65
Temp                   62 60 59 73 79 79 70 66 64 62 61 76 81 80 70 68 67 66 67
Dewpt                  58 57 56 58 56 57 59 60 59 58 57 59 61 62 63 63 63 64 65
RH                     87 90 90 59 45 47 68 81 84 87 87 56 51 54 78 84 87 93 93
Wind dir                N  N  N NE  E  E SE  E  E NE NE NE  E  E  E  E  E NE NE
Wind spd                2  2  2  6  5  5  4  3  3  3  4  6  8  6  5  5  4  4  5
Clouds                 CL CL CL CL CL CL CL CL FW FW FW SC SC SC SC SC SC B1 B2
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         S


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          82      69    80      67    78      57    70      51    68
Temp          81 71   71 71 80 73   70 67 77 70   62 58 70 62   55 52 68 60
Dewpt         68 70   69 69 70 70   67 66 62 59   53 50 44 45   43 43 44 43
PWind dir         E      SE    SE       S    SW       W    NW      NW    NW
Wind char        LT      LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1   B1 B2 B2 B2   B2 B2 B1 SC   SC SC SC SC   FW FW SC SC
PoP 12hr         40      40    50      50    50      20    10       5    10
Rain shwrs     C  C    C  C  C  C    C  C  C  C    S  S
Tstms          S  S    S  S  C  C    S  S  S  S

$$
SCZ043-210900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
142 AM EDT Fri Oct 20 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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          81          53          83          60
Temp                   57 54 54 71 79 78 66 61 58 55 54 74 82 82 70 65 63 62 62
Dewpt                  54 52 52 55 53 53 55 55 54 53 53 56 59 60 61 61 61 61 62
RH                     90 93 93 57 41 42 68 81 86 93 96 53 46 47 73 87 93 97100
Wind dir                N  N  N NE NE  E  E SE  E NE  N NE  E  E  E  E NE NE NE
Wind spd                0  0  1  4  3  3  2  2  2  1  3  4  4  4  4  3  3  3  3
Clouds                 CL CL CL CL CL CL CL CL FW FW FW SC SC SC SC SC SC B1 B1
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         S


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          82      67    80      65    77      54    70      48    69
Temp          82 70   67 67 80 71   67 65 77 68   59 55 69 59   52 48 69 58
Dewpt         67 69   67 67 70 69   66 65 62 59   52 48 44 45   42 41 43 42
PWind dir         E       E    SE       S    SW       W    NW      NW    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   B1 B2 B2 B2   B2 B2 B1 SC   SC SC SC SC   FW FW SC SC
PoP 12hr         30      30    50      50    50      20    10       5    10
Rain shwrs     C  C    C  C  C  C    C  C  C  C    S  S
Tstms          S  S    S  S  C  C    S  S  S  S

$$
GAZ099-210900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
142 AM EDT Fri Oct 20 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            Sun
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          55          83          63
Temp                   57 54 54 71 80 79 68 62 60 57 56 73 81 82 70 65 64 63 64
Dewpt                  53 51 51 55 53 53 56 56 57 55 54 57 60 61 61 62 62 62 62
RH                     86 90 90 57 39 41 65 81 90 93 93 57 49 49 73 90 93 97 93
Wind dir                N  N  N NE  E  E  E  E  E NE NE  E  E  E  E  E  E  E NE
Wind spd                1  1  2  5  5  5  3  4  2  3  4  5  8  6  5  4  4  4  5
Clouds                 CL CL CL CL CL CL CL CL FW FW FW SC SC SC SC SC SC SC B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
Tstms                                                                         S


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          84      69    82      63    76      55    70      48    68
Temp          83 73   70 70 81 74   67 63 75 65   60 55 69 59   53 48 68 57
Dewpt         65 67   69 69 71 70   66 62 61 58   52 48 44 45   41 41 44 45
PWind dir         E       E    SE       S     W       W    NW      NW    NW
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    B1 B1   B2 B2 B2 B2   B2 B2 B1 SC   SC FW FW FW   FW FW SC SC
PoP 12hr         30      40    50      50    30      20    10       5     5
Rain shwrs     C  C    C  C  C  C    C  C  C  C    S  S
Tstms          S  S    S  S  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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