Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
1048 PM EST Tue Nov 21 2017

SCZ050-220900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1048 PM EST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      55          70          47          56          44
Temp                   58 57 55 60 69 67 57 53 53 51 50 54 54 54 51 50 46 46 44
Dewpt                  58 57 55 57 57 56 53 49 44 43 43 44 45 45 44 43 42 40 39
RH                    100100100 90 66 68 86 86 71 74 77 69 71 71 77 77 86 79 82
Wind dir                N  W NW  N  N  N  N NE NE NE NE NE NE NE NE NE  N  N NE
Wind spd                1  1  5  5  6  6  5  6  8  8  8  8  6  6  6  5  5  5  5
Clouds                 OV OV B2 B2 B1 B1 B1 B2 B2 B2 OV OV OV B2 B2 B2 B1 B1 SC
PoP 12hr                     70           5          50          50          20
QPF 12hr                   0.07           0        0.09        0.37           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S                       S  C  C  C  C  C  S  S        S
Obvis                      F  F


Date           11/24  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          62      43    66      45    62      36    53      38    59
Temp          60 51   46 44 65 54   49 45 60 50   42 37 51 44   41 39 57 49
Dewpt         42 44   42 41 46 46   46 42 40 38   33 27 28 32   30 31 38 39
PWind dir        NE       N     W       W    NW       N     N       N    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC FW SC   SC FW FW FW   FW FW FW CL   CL CL FW FW
PoP 12hr         20      10    10      10     5       5     5       5     0
Rain shwrs     S  S

$$
GAZ118-220900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1048 PM EST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      55          71          49          58          45
Temp                   59 56 55 62 70 69 59 56 56 53 52 54 55 55 52 50 48 47 45
Dewpt                  59 56 55 56 57 58 57 54 50 48 48 48 49 49 48 46 44 43 42
RH                    100100100 81 63 68 93 93 80 83 86 80 80 80 86 86 86 86 89
Wind dir               NW NW NW  N  N NE NE NE NE NE NE NE NE NE NE  N  N  N  N
Wind spd                0  0  2  5  6  5  4  5  8  8  8  8  8  8  6  6  5  5  5
Clouds                 OV OV B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B1 B1
PoP 12hr                     20          20          60          60          10
QPF 12hr                      0           0        0.24        0.42           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  C  C  C  L  L  C  C              S
Obvis                  F+ F+ F+


Date           11/24  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          63      44    69      45    63      39    56      40    62
Temp          61 53   48 44 67 57   50 45 61 51   44 39 54 47   42 40 60 51
Dewpt         43 44   42 41 47 46   47 42 39 38   34 29 29 32   31 31 40 40
PWind dir        NE       N     W       W    NW      NW     N       N    SE
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1 B1   SC SC FW SC   SC FW FW FW   FW FW CL CL   CL CL FW FW
PoP 12hr         20      10    10      10     5       5     5       5     0
Rain shwrs     S  S

$$
SCZ050-220900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1048 PM EST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      57          69          48          57          46
Temp                   60 57 57 62 68 67 57 54 53 52 51 54 56 55 52 51 48 47 46
Dewpt                  60 57 57 58 58 57 54 50 46 45 46 47 47 47 47 46 44 42 41
RH                    100100100 87 70 70 90 86 77 77 83 77 72 74 83 83 86 83 83
Wind dir                N  W NW  N  N  N NE NE NE NE NE NE NE NE NE NE  N NE NE
Wind spd                2  2  6  6  8  6  6  8 10 10 10 10 10 10 10  9  8  8  9
Clouds                 OV OV B2 B2 B1 B1 B1 B2 B2 B2 OV OV OV OV B2 B2 B2 B1 B1
PoP 12hr                     70           5          50          50          20
QPF 12hr                   0.09           0        0.09        0.49           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S                    S  S  C  C  C  C  C  S  S  S  S  S
Obvis                      F  F


Date           11/24  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          62      47    66      47    61      39    52      41    59
Temp          61 53   48 47 65 55   51 48 60 50   43 39 51 46   43 42 58 50
Dewpt         44 45   45 44 47 47   48 44 41 39   35 29 29 33   33 34 39 39
PWind dir        NE       N     W       W    NW       N     N       N    SE
Wind char        GN      LT    LT      GN    GN      GN    GN      LT    LT
Avg clouds    B1 SC   SC SC FW SC   SC FW FW FW   FW FW FW CL   CL CL FW FW
PoP 12hr         20      10    10      10     5       5     5       5     0
Rain shwrs     S  S

$$
SCZ048-220900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1048 PM EST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      54          71          48          58          45
Temp                   58 55 55 61 70 68 59 56 55 52 51 53 54 54 53 51 50 48 45
Dewpt                  58 55 55 56 57 57 56 51 47 46 46 47 47 47 46 45 43 42 41
RH                    100100100 84 63 68 90 83 74 80 83 80 77 77 77 80 77 80 86
Wind dir               NW NW NW  N  N NE NE NE NE NE NE NE NE NE NE  N  N  N NE
Wind spd                1  1  4  6  6  5  5  6  9  9  9  9  8  8  8  6  6  6  6
Clouds                 OV OV B2 B2 B1 B1 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B1 B1
PoP 12hr                     40          10          50          60          20
QPF 12hr                      0           0        0.19        0.42           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  S  C  L  L  C  C  S  S        S
Obvis                  PF F+ F+


Date           11/24  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          62      43    67      45    62      37    54      39    61
Temp          60 51   48 45 66 56   50 46 61 51   44 38 52 46   42 40 58 49
Dewpt         42 44   41 41 45 46   45 42 38 37   33 29 28 31   29 31 36 39
PWind dir        NE       N     W       W    NW       N     N       N    SE
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    B1 SC   SC SC FW SC   SC FW FW FW   FW FW FW CL   CL CL FW FW
PoP 12hr         20      10    10      10     5       5     5       5     0
Rain shwrs     S  S

$$
SCZ043-220900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1048 PM EST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      53          70          46          56          41
Temp                   57 55 53 60 69 68 57 54 54 51 49 50 55 54 50 49 45 44 41
Dewpt                  57 55 53 56 55 55 52 47 43 40 40 41 43 42 41 40 39 38 37
RH                    100100100 87 61 63 83 77 66 66 71 71 64 64 71 71 79 79 85
Wind dir                N NW NW  N  N  N NE NE NE NE NE NE NE NE NE NE NE NE NE
Wind spd                1  1  4  5  6  6  5  6  6  6  6  6  6  5  4  4  4  4  4
Clouds                 OV OV B2 B1 B1 B1 B1 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B1 SC
PoP 12hr                     20           5          40          40          10
QPF 12hr                      0           0        0.10        0.21           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  C  C  C  C  C
Obvis                  PF  F  F
Wind chill                                                                   38
Min chill                                                                    38


Date           11/24  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          62      40    67      42    62      34    54      34    60
Temp          59 49   44 41 65 54   47 42 61 49   41 35 52 44   38 36 58 48
Dewpt         39 40   39 39 44 44   43 40 38 37   30 25 26 30   28 27 35 37
PWind dir        NE       N     W       W    NW       N     N       N    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC FW FW SC   SC FW FW FW   FW FW CL CL   CL CL FW FW
PoP 12hr         10      10    10      10     5       5     5       5     0

$$
GAZ099-220900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1048 PM EST Tue Nov 21 2017

Date           11/21/17      Wed 11/22/17            Thu 11/23/17            Fri
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                      52          70          48          58          44
Temp                   56 53 53 60 68 68 57 57 57 54 52 52 53 53 49 48 47 46 44
Dewpt                  56 53 53 55 56 56 55 52 49 46 45 43 43 44 44 43 41 40 39
RH                    100100100 84 65 65 93 83 75 74 77 71 69 71 83 83 79 79 82
Wind dir                N  N  N  N  N NE NE NE NE NE NE NE NE NE NE NE NE NE NE
Wind spd                1  0  3  5  6  5  4  5  6  8  8  8  6  5  4  4  3  4  4
Clouds                 OV OV B2 B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B1 B1 SC SC
PoP 12hr                     10          20          40          40           5
QPF 12hr                      0           0        0.15        0.15           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  S  C  C  C  C  C
Obvis                  F+ F+ F+


Date           11/24  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
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          63      42    68      43    62      36    56      37    60
Temp          60 51   46 42 66 56   49 44 61 49   42 37 53 45   40 38 58 49
Dewpt         41 42   40 40 45 45   45 41 37 36   32 27 29 31   30 30 35 38
PWind dir        NE       N     W       W    NW       N     N      NE    SE
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    SC SC   SC FW FW SC   SC FW FW FW   FW FW CL CL   CL FW FW FW
PoP 12hr         10       5    10      10     5       5     5       5     0

$$

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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