Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
628 AM EST Wed Nov 22 2017

SCZ050-222100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
628 AM EST Wed Nov 22 2017

Date             Wed 11/22/17            Thu 11/23/17            Fri 11/24/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      70          48          57          45          61
Temp             56 64 69 68 58 54 52 50 48 52 57 56 50 49 48 47 45 52 59 60 53
Dewpt            56 58 57 55 52 48 43 42 39 42 44 44 44 44 42 42 39 43 44 47 47
RH              100 81 66 63 80 80 71 74 71 69 62 64 80 83 80 83 79 71 57 62 80
Wind dir         NW  N  N  N  N NE NE NE NE NE NE NE NE NE  N  N NE NE NE NE NE
Wind spd          5  6  8  8  6  6  9  8  8  8  8  6  6  6  5  6  6  8  8  6  5
Clouds           OV B2 B1 SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr                      5          20          30          30          30
QPF 12hr                      0           0        0.09        0.05           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  S  C  C  C  C  C  S  S  C  C  C  C  S
Obvis             F PF


Date          Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          47    66      46    62      39    60      43    66
Temp          50 47 64 55   51 46 61 50   44 40 58 48   45 44 65 54
Dewpt         46 44 48 48   46 43 40 39   36 33 36 39   41 39 47 49
PWind dir         N    NW       W     N       N    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 SC SC   SC FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20    10       5     5       5     0       5     0
Rain shwrs     S  S

$$
GAZ118-222100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
628 AM EST Wed Nov 22 2017

Date             Wed 11/22/17            Thu 11/23/17            Fri 11/24/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      72          50          59          47          62
Temp             56 65 71 70 60 56 54 52 50 54 57 58 52 52 49 48 47 51 60 61 55
Dewpt            56 58 57 57 56 53 48 45 42 45 47 47 47 46 44 44 42 44 46 48 47
RH              100 78 61 63 87 90 80 77 74 71 69 67 83 80 83 86 83 77 60 62 74
Wind dir         NW  N  N NE NE NE NE NE NE NE NE NE NE NE  N  N  N NE NE NE NE
Wind spd          3  6  6  5  4  5  8  8  8  8  8  8  8  8  5  8  6  8  6  6  4
Clouds           OV B2 B1 B1 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B1 B2 B1 B2 B1
PoP 12hr                     10          20          40          40          20
QPF 12hr                      0           0        0.18        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  S  C  C  C  C  C  S  S  S  S  S  S  S
Obvis            F+ PF
Dense Fog         Y


Date          Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          48    69      46    65      41    61      44    68
Temp          52 48 66 57   51 46 63 53   45 41 59 50   46 45 66 57
Dewpt         47 44 49 48   46 43 41 41   39 36 38 41   42 40 49 50
PWind dir         N    NW       W    NW       N    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC SC SC   SC FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20    10       5     5       5     0       5     0
Rain shwrs     S  S

$$
SCZ050-222100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
628 AM EST Wed Nov 22 2017

Date             Wed 11/22/17            Thu 11/23/17            Fri 11/24/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      69          49          58          48          61
Temp             58 64 68 67 58 54 53 51 50 54 58 56 52 50 50 49 48 54 60 60 54
Dewpt            58 59 58 56 53 50 45 44 42 45 46 46 46 46 45 45 42 45 47 49 48
RH              100 84 70 68 83 86 74 77 74 71 64 69 80 86 83 86 80 71 62 67 80
Wind dir         NW  N  N  N  N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
Wind spd          6  8  9  8  8  9 11 11 10 10 10 10 10 10  9 10 10 11  9 10  8
Clouds           OV B2 B1 SC B1 B1 B1 B2 OV B2 OV OV B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr                      5          20          40          30          30
QPF 12hr                      0           0        0.12        0.09        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  S  C  C  C  C  C  C  C  C  C  C  C  C
Obvis             F PF


Date          Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          50    66      49    62      42    60      46    65
Temp          51 50 64 56   52 49 61 51   46 42 58 50   47 46 65 55
Dewpt         50 47 49 49   48 44 41 40   38 36 38 40   44 43 48 50
PWind dir         N    NW       W     N       N    NE      NE     E
Wind char        LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    B1 B1 SC SC   SC FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         30    10       5     5       5     0       5     0
Rain shwrs     C  C

$$
SCZ048-222100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
628 AM EST Wed Nov 22 2017

Date             Wed 11/22/17            Thu 11/23/17            Fri 11/24/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      71          49          59          46          61
Temp             55 64 70 69 59 55 53 51 49 52 57 57 51 51 49 47 47 51 60 60 55
Dewpt            55 57 57 56 54 50 45 44 41 43 45 46 45 45 43 43 41 42 44 46 46
RH              100 78 63 63 83 83 74 77 74 71 64 67 80 80 80 86 79 71 55 60 72
Wind dir         NW  N  N  N NE NE NE NE NE NE NE NE NE NE  N  N NE NE NE NE NE
Wind spd          5  6  8  6  5  8 10  9  9  9  8  8  9  8  6  8  8  8  8  8  5
Clouds           OV B2 B1 B1 B1 B1 B1 B2 OV B2 B2 OV B2 B2 B2 B2 B1 B2 B1 B2 B1
PoP 12hr                     10          20          30          30          20
QPF 12hr                      0           0        0.14        0.05           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  S  C  C  C  C  C  S  S  S  S  S  S  S
Obvis             F PF


Date          Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          47    67      46    63      40    60      44    66
Temp          51 48 65 56   51 47 62 51   45 41 58 49   45 45 64 55
Dewpt         45 44 47 48   45 43 39 39   36 33 35 39   40 40 47 49
PWind dir         N    NW       W     N       N    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC SC SC   SC FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20    10       5     5       5     0       5     0
Rain shwrs     S  S

$$
SCZ043-222100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
628 AM EST Wed Nov 22 2017

Date             Wed 11/22/17            Thu 11/23/17            Fri 11/24/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      70          46          57          42          61
Temp             54 63 69 67 57 52 50 48 46 52 57 57 48 48 46 44 43 51 59 60 52
Dewpt            54 57 55 53 50 46 41 39 37 39 41 41 41 41 40 40 37 39 40 43 43
RH              100 81 61 61 77 80 71 71 71 61 55 55 77 77 79 86 79 63 49 53 71
Wind dir         NW  N  N  N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
Wind spd          4  5  6  6  5  6  8  6  6  6  6  5  5  4  4  5  5  6  5  5  4
Clouds           OV B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC B1 B1
PoP 12hr                      5          20          20          20          20
QPF 12hr                      0           0        0.03           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  S  S  S  S  S  S  S  S  S  S  S
Obvis             F PF
Wind chill                                                       39
Min chill                                                        38


Date          Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          44    67      43    63      36    60      39    66
Temp          49 44 65 55   49 44 62 50   42 37 57 47   42 41 65 53
Dewpt         43 41 46 47   44 41 37 37   35 31 34 37   38 36 45 47
PWind dir         N    NW       W     N      NE    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC SC SC   SC FW FW FW   FW FW CL FW   FW FW FW FW
PoP 12hr         20    10       5     5       5     0       5     0
Rain shwrs     S  S

$$
GAZ099-222100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
628 AM EST Wed Nov 22 2017

Date             Wed 11/22/17            Thu 11/23/17            Fri 11/24/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      70          49          58          45          62
Temp             53 62 69 68 58 55 53 51 51 50 56 57 50 50 50 47 45 51 60 61 54
Dewpt            53 57 56 56 54 51 46 44 39 41 42 44 44 44 41 42 38 41 42 45 45
RH              100 84 63 65 86 86 77 77 63 71 59 62 80 80 71 83 76 68 51 56 71
Wind dir          N  N  N  N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
Wind spd          3  5  6  5  4  5  8  9  8  8  6  6  5  5  4  5  5  8  6  6  3
Clouds           OV B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
PoP 12hr                      5          20          20          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  S  S  S  S
Obvis            F+ PF
Dense Fog         Y


Date          Sat 11/25/17  Sun 11/26/17  Mon 11/27/17  Tue 11/28/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          45    68      44    64      38    61      41    67
Temp          52 46 65 56   50 44 62 50   43 39 58 48   44 42 64 54
Dewpt         43 42 47 47   45 42 39 38   38 34 35 38   39 37 46 48
PWind dir         N     W      NW    NW       N    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC SC SC   SC FW FW FW   FW FW CL CL   FW FW FW FW
PoP 12hr         20    10       5     5       0     0       5     0
Rain shwrs     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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