Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
618 PM EST Sun Nov 19 2017

SCZ050-200900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
618 PM EST Sun Nov 19 2017

Date           11/19/17      Mon 11/20/17            Tue 11/21/17            Wed
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                      39          60          45          68          53
Temp             53 48 45 42 39 52 58 59 49 47 46 46 46 61 68 66 58 55 55 55 54
Dewpt            39 39 35 34 31 33 32 32 38 39 41 43 44 51 55 57 57 55 55 55 53
RH               59 71 68 73 73 48 37 36 66 74 83 89 93 70 63 73 96100100100 96
Wind dir         NW  N  N  N  N NE NE  E  E NE NE NE NE  E  E  E NE  N  N  N  N
Wind spd          5  6  4  4  3  9  5  6  4  3  2  3  3  5  5  5  2  2  1  3  4
Clouds           CL CL CL CL CL CL FW FW FW FW SC B1 B2 B2 B2 OV B2 OV B2 B2 B2
PoP 12hr                      0           0           0          40          40
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  C  C  S
Wind chill                39 37
Min chill                    37


Date           11/22  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          66      46    57      44    59      43    64      46    63
Temp          65 56   51 46 56 51   46 44 58 50   45 44 63 52   49 46 63 52
Dewpt         55 52   45 42 45 44   43 41 44 45   42 41 45 46   45 42 45 44
PWind dir         N      NE    NE       N     N       N     W       W    NW
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1   B2 B2 B2 B2   B2 B1 B1 SC   SC FW FW FW   FW FW FW FW
PoP 12hr         20      30    40      30    20      10    10       5     0
Rain shwrs     S  S    C  C  C  C    C  C  S  S

$$
GAZ118-200900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
618 PM EST Sun Nov 19 2017

Date           11/19/17      Mon 11/20/17            Tue 11/21/17            Wed
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                      39          62          48          70          53
Temp             54 49 45 42 39 54 60 61 53 50 50 49 50 61 69 68 60 57 55 55 53
Dewpt            37 37 34 34 35 37 37 38 43 44 45 46 47 53 57 59 58 57 54 54 53
RH               52 63 65 73 85 52 42 42 69 80 83 89 89 75 66 73 93100 96 96100
Wind dir         NW NW  N  N  N NE  E  E  E NE NE NE NE NE  E  E NE  N  N  N  N
Wind spd          6  5  4  3  3  8  8  8  5  4  3  3  3  5  5  5  3  2  1  4  4
Clouds           CL CL CL CL CL CL FW FW SC SC B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B2
PoP 12hr                      0           0           0          40          40
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  C  C  C  C  S
Wind chill                   37
Min chill                    37


Date           11/22  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          68      48    60      45    61      44    66      47    66
Temp          67 57   52 48 59 53   47 45 59 51   46 44 64 53   49 47 65 54
Dewpt         55 54   47 46 47 46   43 41 45 45   42 40 46 46   44 42 46 44
PWind dir         N      NE    NE       N     N      NW     W       W    NW
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1   B2 B2 B2 B2   B1 B1 B1 SC   SC FW FW FW   FW FW FW FW
PoP 12hr         20      40    40      30    20      10    10       5     5
Rain shwrs     S  S    C  C  C  C    C  C  S  S

$$
SCZ050-200900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
618 PM EST Sun Nov 19 2017

Date           11/19/17      Mon 11/20/17            Tue 11/21/17            Wed
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                      45          59          49          69          55
Temp             57 53 49 48 45 52 58 59 52 50 49 49 50 62 68 67 59 58 57 56 56
Dewpt            42 41 38 37 35 34 34 35 40 43 45 48 47 53 56 58 58 58 57 56 55
RH               57 64 66 65 68 50 40 40 63 77 86 96 89 72 65 73 96100100100 96
Wind dir         NW  N  N  N  N NE NE  E  E  E  E NE  E  E  E  E  E NE  N  N  N
Wind spd          9  9  8  8  6 11  8  8  6  5  4  4  4  6  6  6  3  2  2  5  5
Clouds           CL CL CL CL CL CL FW FW FW SC B1 B1 B2 B2 B2 OV B2 OV B2 B2 B2
PoP 12hr                      0           0           0          40          50
QPF 12hr                      0           0           0           0        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  C  C  C  C  S


Date           11/22  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          66      49    58      46    59      46    63      48    63
Temp          65 57   52 49 57 52   48 46 58 51   47 46 62 53   51 49 63 53
Dewpt         56 53   48 45 47 46   45 44 46 46   44 43 46 47   47 44 46 45
PWind dir         N      NE    NE       N     N       N     W       W    NW
Wind char        GN      GN    GN      GN    GN      LT    LT      GN    GN
Avg clouds    B2 B1   B2 B2 B2 B2   B2 B1 B1 SC   SC SC FW FW   FW FW FW FW
PoP 12hr         20      40    50      40    20      10    10       5     5
Rain shwrs     S  S    C  C  C  C    C  C  S  S

$$
SCZ048-200900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
618 PM EST Sun Nov 19 2017

Date           11/19/17      Mon 11/20/17            Tue 11/21/17            Wed
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                      40          61          48          68          53
Temp             55 49 45 42 40 52 59 60 51 49 49 49 49 61 67 67 57 56 55 54 54
Dewpt            40 36 36 36 34 33 33 35 41 42 43 44 46 51 55 57 57 56 54 54 52
RH               57 61 70 79 79 48 37 39 68 77 80 83 89 70 65 70100100 96100 93
Wind dir         NW NW  N  N NE NE  E  E  E NE NE NE NE NE  E  E NE  N  N  N  N
Wind spd          8  5  4  5  4  9  8  6  5  4  3  4  3  5  5  5  2  2  1  4  4
Clouds           CL CL CL CL CL CL FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      0           0           0          40          40
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  C  C  C  C  S
Wind chill                38 37
Min chill                    36


Date           11/22  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          67      48    59      44    60      43    65      47    64
Temp          66 57   52 48 57 52   46 45 58 50   47 45 63 52   51 47 63 53
Dewpt         54 52   45 45 45 45   42 41 43 44   41 41 44 46   44 43 44 43
PWind dir         N      NE    NE       N     N       N     W       W    NW
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1   B2 B2 B2 B2   B1 B1 B1 SC   SC FW FW FW   FW FW FW FW
PoP 12hr         20      40    50      30    20      10    10       5     5
Rain shwrs     S  S    C  C  C  C    C  C  S  S

$$
SCZ043-200900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
618 PM EST Sun Nov 19 2017

Date           11/19/17      Mon 11/20/17            Tue 11/21/17            Wed
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                      36          61          42          67          50
Temp             53 47 43 39 36 51 58 60 48 45 44 43 43 58 65 65 55 54 53 52 51
Dewpt            37 35 34 33 33 32 30 31 35 35 37 39 40 47 52 55 55 53 52 52 50
RH               54 63 70 79 89 48 34 33 60 68 76 86 89 67 63 70100 96 96100 96
Wind dir         NW  N  N  N  N NE  E  E  E NE NE NE NE NE  E  E NE  N  N  N  N
Wind spd          4  3  2  1  1  6  5  4  3  2  2  3  3  4  4  4  2  2  1  3  4
Clouds           CL CL CL CL CL CL FW FW SC FW B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      0           0           0          30          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  S  S  S
Frost                      Y  Y


Date           11/22  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          66      44    57      41    60      40    65      44    64
Temp          65 55   49 44 56 50   44 41 58 49   44 41 63 51   48 44 63 51
Dewpt         53 50   43 41 42 43   40 38 41 42   39 39 43 44   43 41 44 42
PWind dir         N      NE    NE       N     N       N     W       W    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1   B1 B2 B2 B2   B1 B1 SC SC   SC FW FW FW   FW FW FW FW
PoP 12hr         20      30    40      30    20      10    10       5     5
Rain shwrs     S  S    C  C  C  C    C  C  S  S

$$
GAZ099-200900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
618 PM EST Sun Nov 19 2017

Date           11/19/17      Mon 11/20/17            Tue 11/21/17            Wed
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                      36          63          45          67          50
Temp             52 46 41 39 36 50 59 62 50 47 46 45 45 57 64 66 58 56 54 52 50
Dewpt            33 34 33 32 32 35 33 34 38 39 40 40 43 49 53 56 56 54 52 51 50
RH               48 63 73 76 85 56 37 35 63 74 79 82 93 75 67 70 93 93 93 96100
Wind dir         NW NW  N  N  N NE  E  E  E  E  E NE NE NE  E  E NE NE  N  N  N
Wind spd          2  2  2  2  1  8  6  5  4  4  3  4  4  6  5  4  2  3  1  4  4
Clouds           CL CL CL CL CL CL FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      0           0           0          30          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  S  S  S
Frost                      Y  Y


Date           11/22  Thu 11/23/17  Fri 11/24/17  Sat 11/25/17  Sun 11/26/17
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          67      46    60      43    61      42    66      46    65
Temp          65 56   51 46 59 51   47 43 58 49   46 43 64 53   50 46 63 51
Dewpt         53 52   46 43 45 45   41 39 42 43   40 40 44 46   44 41 44 43
PWind dir         N      NE    NE       N     N       N     W       W    NW
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1   B2 B2 B2 B1   B1 B1 SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr         20      30    40      30    20      10    10       5     5
Rain shwrs     S  S    C  C  C  C    C  C  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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