Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
539 PM EST Wed Nov 22 2017

SCZ050-230900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
539 PM EST Wed Nov 22 2017

Date           11/22/17      Thu 11/23/17            Fri 11/24/17            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                      48          58          46          62          44
Temp             58 55 53 50 48 54 58 57 51 50 48 47 47 52 60 61 54 52 48 46 45
Dewpt            55 51 45 41 39 42 44 44 44 44 44 43 42 44 46 47 47 47 46 45 44
RH               90 86 74 71 71 64 59 62 77 80 86 86 83 74 60 60 77 83 93 96 96
Wind dir          N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE  N  N  N NW NW
Wind spd          4  5  6  5  5  8  6  8  8  6  6  8  9  8  8  6  5  4  4  3  4
Clouds           B1 B1 B2 B2 B2 OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC
PoP 12hr                      0          30          30          30          30
QPF 12hr                      0           0        0.03           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  C  C  S  C  C  C  C  C  C  C  C  C


Date           11/25  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17  Wed 11/29/17
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      46    62      39    60      43    66      47    68
Temp          66 55   51 46 61 50   44 40 58 48   45 44 65 54   49 47 67 58
Dewpt         48 48   46 43 40 39   36 33 36 39   41 39 47 49   48 47 52 53
PWind dir         W       W     N       N    NE      NE     E       N     W
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW SC
PoP 12hr          5       5     5       5     0       5     0       0    10

$$
GAZ118-230900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
539 PM EST Wed Nov 22 2017

Date           11/22/17      Thu 11/23/17            Fri 11/24/17            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                      50          60          48          63          45
Temp             60 59 56 53 50 53 59 59 54 53 50 50 48 53 61 62 55 53 50 47 45
Dewpt            58 57 51 44 42 45 47 48 47 46 45 44 43 44 45 46 47 47 46 44 44
RH               93 93 83 71 74 74 64 67 77 77 83 80 83 71 56 56 74 80 86 89 96
Wind dir         NE NE NE NE NE NE NE NE NE NE  N  N  N NE NE NE  N  N NW NW  W
Wind spd          3  3  4  5  5  8  8  8  8  8  6  8  8  8  8  6  5  4  4  3  4
Clouds           OV B2 B1 B2 B2 OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC
PoP 12hr                     10          40          50          20          10
QPF 12hr                      0        0.01        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S  C  C  C  C  S  S  S  S  S  S


Date           11/25  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17  Wed 11/29/17
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          70      46    65      41    61      44    68      48    70
Temp          67 57   51 46 63 53   45 41 59 50   46 45 66 57   51 48 70 59
Dewpt         49 48   46 43 41 41   39 36 38 41   42 40 49 50   49 48 53 53
PWind dir         W       W    NW       N    NE      NE     E       N    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   SC FW FW FW   FW FW FW FW   FW FW FW FW   FW FW SC SC
PoP 12hr          5       5     5       5     0       5     0       5    10

$$
SCZ050-230900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
539 PM EST Wed Nov 22 2017

Date           11/22/17      Thu 11/23/17            Fri 11/24/17            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                      50          59          48          63          46
Temp             61 58 55 52 50 55 59 58 53 52 51 49 49 55 62 62 55 53 49 48 46
Dewpt            56 52 47 43 41 44 46 46 46 46 46 45 45 47 50 49 48 49 49 48 46
RH               84 80 74 71 71 66 62 64 77 80 83 86 86 74 65 62 77 86100100100
Wind dir          N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE  N  N NW NW
Wind spd          5  6  9  8  8 10 10 10 10 10 10 11 12 11 10  9  8  6  5  5  6
Clouds           B1 B1 B1 B2 B2 OV OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC
PoP 12hr                      5          40          40          30          30
QPF 12hr                      0           0        0.07        0.02        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C  C  C  C  C  C  C  C  C  C  C  C  C  C


Date           11/25  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17  Wed 11/29/17
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      49    62      42    60      46    65      50    68
Temp          66 57   53 49 61 51   46 42 58 50   47 46 65 55   52 50 67 59
Dewpt         49 49   48 44 41 40   38 36 38 40   44 43 48 50   51 49 53 54
PWind dir         W       W     N       N    NE      NE     E       N    SW
Wind char        GN      LT    LT      GN    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC FW FW FW   FW FW FW FW   FW FW FW FW   FW FW SC SC
PoP 12hr         10       5     5       5     0       5     0       5    10

$$
SCZ048-230900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
539 PM EST Wed Nov 22 2017

Date           11/22/17      Thu 11/23/17            Fri 11/24/17            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                      49          59          48          62          44
Temp             61 60 56 51 49 53 58 58 54 52 50 50 48 52 60 62 55 52 50 46 45
Dewpt            57 57 49 41 40 43 45 46 46 45 45 43 42 43 44 45 46 46 46 45 44
RH               87 90 77 68 71 69 62 64 74 77 83 77 80 71 55 54 72 80 86 96 96
Wind dir         NE NE NE NE NE NE NE NE NE NE NE NE  N NE NE NE  N  N NW NW NW
Wind spd          4  4  6  8  6  9  8  9  9  8  8  9  9  9  8  8  6  5  4  4  4
Clouds           B1 B1 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC
PoP 12hr                     10          40          40          20          20
QPF 12hr                      0           0        0.05           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C  C  C  C  S  S  S  S  S  S  S  S  S  S


Date           11/25  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17  Wed 11/29/17
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          69      46    63      40    60      44    66      48    69
Temp          67 55   51 47 62 51   45 41 58 49   45 45 64 55   51 49 67 59
Dewpt         47 48   45 43 39 39   36 33 35 39   40 40 47 49   47 47 50 52
PWind dir         W       W     N       N    NE      NE     E       N    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW SC
PoP 12hr          5       5     5       5     0       5     0       5    10

$$
SCZ043-230900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
539 PM EST Wed Nov 22 2017

Date           11/22/17      Thu 11/23/17            Fri 11/24/17            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                      46          59          44          61          42
Temp             60 56 52 49 46 53 58 58 50 49 47 46 44 50 58 61 51 50 46 44 42
Dewpt            55 49 43 38 36 39 41 42 41 41 41 40 39 39 40 41 43 43 43 41 41
RH               84 77 71 66 68 59 53 55 71 74 79 79 82 66 51 48 74 77 89 89 96
Wind dir          N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE  N  N NW NW  W
Wind spd          4  4  5  6  5  6  6  6  5  4  4  5  6  6  5  5  5  4  3  3  3
Clouds           B1 B1 B2 B2 B2 OV OV OV OV B2 B2 B2 B1 B1 B1 SC SC B1 SC SC SC
PoP 12hr                      0          20          20          20          10
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  S  S


Date           11/25  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17  Wed 11/29/17
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          69      43    63      36    60      39    66      44    68
Temp          66 54   49 44 62 50   42 37 57 47   42 41 65 53   48 45 67 58
Dewpt         46 47   44 41 37 37   35 31 34 37   38 36 45 47   45 44 50 51
PWind dir         W       W     N      NE    NE      NE     E      NE    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   SC FW FW FW   FW FW CL FW   FW FW FW FW   FW FW FW SC
PoP 12hr          5       5     5       5     0       5     0       5    10

$$
GAZ099-230900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
539 PM EST Wed Nov 22 2017

Date           11/22/17      Thu 11/23/17            Fri 11/24/17            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                      50          59          46          62          44
Temp             60 57 55 53 50 52 58 58 52 52 50 48 46 52 60 61 52 51 49 47 45
Dewpt            57 53 48 43 39 41 43 44 45 44 43 41 39 40 41 43 45 44 43 42 41
RH               90 86 77 69 66 66 57 59 77 74 77 77 76 63 49 51 77 77 80 83 86
Wind dir          N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE  N  N NW NW  W
Wind spd          4  4  4  5  5  8  8  8  6  5  5  6  8  8  6  5  5  4  2  2  3
Clouds           OV OV B2 OV OV OV OV OV B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC FW
PoP 12hr                      5          20          20          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  S  S  S  S


Date           11/25  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17  Wed 11/29/17
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          69      44    64      38    61      41    67      45    69
Temp          66 56   50 44 62 50   43 39 58 48   44 42 64 54   49 46 68 58
Dewpt         47 47   45 42 39 38   38 34 35 38   39 37 46 48   46 45 50 52
PWind dir         W      NW    NW       N    NE      NE     E      SE     E
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   SC FW FW FW   FW FW CL CL   FW FW FW FW   FW FW FW SC
PoP 12hr          5       5     5       0     0       5     0       5    10

$$

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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