Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 150239
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
938 PM EST Thu Dec 14 2017

SCZ050-150900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
938 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            Sun
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                      42          64          37          59          38
Temp                48 46 43 42 55 63 62 53 49 45 40 38 49 57 58 46 45 42 42 38
Dewpt               40 39 38 38 41 40 40 43 42 36 33 32 30 31 34 34 36 35 36 34
RH                  74 76 82 86 59 43 44 69 77 70 76 79 48 37 40 63 70 76 79 85
Wind dir            SW  W  W SW  W  W  W  W  W NW NW  N  W  W SW  S  E NE SE NE
Wind spd             4  3  2  2  5 10 10  6  5  5  4  3  2  2  2  2  1  0  0  1
Clouds              B1 B1 SC SC B1 B1 B2 B2 B1 SC FW FW FW FW CL FW FW FW FW FW
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                        37 36
Min chill                                            34                      38


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          65      52    69      54    68      48    61      43    62
Temp          63 56   52 56 68 55   54 54 67 59   54 48 60 51   46 43 60 48
Dewpt         43 49   52 53 62 55   54 53 56 54   47 44 38 42   35 33 39 42
PWind dir        SE       S    SW      SW     W       W     N      NE     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   B1 B2 OV B2   B2 B1 B1 B1   B1 SC SC FW   FW FW FW SC
PoP 12hr          5      30    50      40    30      30    20       5     5
Rain shwrs             C  C  C  C    C  C  C  C    C  C  S  S

$$
GAZ118-150900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
938 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            Sun
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                      42          65          38          60          39
Temp                48 46 44 42 55 63 63 54 50 45 40 38 47 57 58 47 45 43 42 40
Dewpt               38 38 37 37 42 40 41 42 39 33 31 30 31 32 31 34 36 36 36 35
RH                  68 73 76 82 61 43 44 64 66 62 70 73 53 38 36 60 70 76 79 82
Wind dir            SW SW SW SW SW  W  W  W  W NW NW  N NW NW NE  E  E NE  S NE
Wind spd             4  3  1  2  5 10 10  6  6  5  4  3  4  4  2  0  0  0  0  1
Clouds              SC B1 B1 B1 B1 B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW FW SC
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                        37 36
Min chill                                            34    37                39


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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      54    71      55    70      49    63      45    63
Temp          65 56   54 57 69 58   58 55 69 60   55 49 61 53   47 45 61 50
Dewpt         47 51   53 55 63 58   55 54 57 55   48 44 41 43   37 35 39 43
PWind dir        SE       S    SW      SW     W       W     N      NE     E
Wind char        LT      LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    SC SC   B2 B2 B2 B2   B1 B1 B1 B1   B1 B1 SC SC   FW FW FW FW
PoP 12hr          5      40    50      40    30      30    20       5     5
Rain shwrs             C  C  C  C    C  C  C  C    C  C  S  S

$$
SCZ050-150900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
938 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            Sun
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          63          38          58          39
Temp                51 49 47 46 56 62 62 53 49 45 41 39 49 56 56 47 45 43 43 40
Dewpt               42 41 40 40 43 42 42 43 42 37 34 32 31 33 35 35 36 35 36 36
RH                  71 74 76 79 62 48 48 69 77 73 76 76 50 42 45 63 70 73 76 85
Wind dir            SW  W  W  W  W  W  W  W  W NW NW  N NW  W SW  S  E  N  E NE
Wind spd             5  5  3  3  6 11 11  9  8  6  5  4  3  2  2  2  1  0  0  1
Clouds              B1 SC SC SC B1 B1 OV B2 B1 SC FW FW FW FW CL FW FW FW FW FW
PoP 12hr                      0           5           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                        37 36
Min chill                                            36    38                39


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          64      54    68      56    67      50    61      45    62
Temp          62 57   54 57 68 57   56 56 66 59   55 50 60 53   48 46 60 51
Dewpt         45 50   53 55 62 57   55 54 56 54   49 46 39 43   36 35 39 44
PWind dir        SE       S    SW      SW     W       W     N      NE     E
Wind char        LT      LT    GN      GN    GN      GN    LT      LT    LT
Avg clouds    FW SC   B1 B2 OV B2   B2 B1 B1 B1   B1 SC SC SC   FW FW FW SC
PoP 12hr          5      30    40      40    20      30    20       5     5
Rain shwrs             C  C  C  C    C  C  S  S    C  C  S  S

$$
SCZ048-150900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
938 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            Sun
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                      42          64          38          59          39
Temp                50 48 46 45 55 62 62 52 48 45 41 38 48 56 58 46 45 42 42 39
Dewpt               40 40 39 39 42 41 41 41 40 33 30 29 31 31 33 34 35 35 35 34
RH                  68 74 76 79 61 46 46 66 74 62 65 70 51 38 39 63 68 76 76 82
Wind dir            SW  W  W  W  W  W  W  W  W NW NW  N NW NW  W  S SE NE  S NE
Wind spd             5  4  2  2  5 10 10  6  8  5  5  4  4  3  2  1  0  0  0  1
Clouds              SC SC SC B1 B1 B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                        37 34
Min chill                                            34    37                39


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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      53    69      53    68      48    62      43    62
Temp          64 56   53 57 67 56   57 55 67 59   54 48 60 53   47 44 60 49
Dewpt         45 50   53 55 62 56   54 53 56 54   47 44 41 43   36 35 39 43
PWind dir        SE       S    SW      SW     W       W     N      NE     E
Wind char        LT      LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    FW SC   B1 B2 B2 B2   B2 B1 B1 B1   B1 B1 SC SC   FW FW FW FW
PoP 12hr          5      40    50      40    30      30    20       5     5
Rain shwrs             C  C  C  C    C  C  C  C    C  C  S  S

$$
SCZ043-150900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
938 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            Sun
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          35          58          36
Temp                46 44 42 40 52 60 60 51 47 43 38 35 47 54 57 44 43 40 40 36
Dewpt               38 38 37 37 40 40 40 41 38 31 29 29 29 29 31 32 33 32 33 32
RH                  73 79 82 89 63 47 47 68 71 62 70 78 49 38 37 62 67 73 76 85
Wind dir            SW SW SW SW SW  W  W  W  W NW NW  N NW  W  W SW SW  S  S SE
Wind spd             3  2  1  1  4  9 10  5  5  4  3  2  3  3  2  1  0  0  0  0
Clouds              B1 B1 SC B1 B1 B1 B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                        36
Min chill                                            32    36                36


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          64      51    68      53    68      47    61      40    61
Temp          62 53   51 56 67 54   53 53 67 60   53 47 59 50   44 41 59 47
Dewpt         40 46   51 52 62 54   52 52 55 54   46 43 39 41   34 32 37 41
PWind dir         S       S    SW      SW     W       W     N      NE     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC   B1 B2 OV B2   B2 B1 B1 B1   B1 B1 SC FW   FW FW FW FW
PoP 12hr          5      40    50      40    30      20    10       5     5
Rain shwrs             C  C  C  C    C  C  C  C    S  S

$$
GAZ099-150900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
938 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            Sun
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                      42          60          35          57          37
Temp                47 45 43 42 53 59 59 49 45 42 38 35 45 53 56 44 43 41 40 37
Dewpt               39 39 38 38 41 42 39 39 32 31 29 27 29 31 30 33 33 33 33 33
RH                  74 79 82 86 64 53 47 68 60 65 70 72 53 43 37 65 67 73 76 85
Wind dir            SW  W  W  W  W  W  W  W NW NW NW NW NW NW  W SW SW  S  S SE
Wind spd             3  2  1  1  5  9 10  6  6  5  3  3  3  4  3  1  0  0  0  2
Clouds              B1 B1 B1 B1 B2 B2 B2 B2 B1 SC FW FW FW FW FW FW FW SC SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                     38 36 32
Min chill                                      38    32    36                37


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          65      55    70      55    69      48    62      43    63
Temp          62 56   55 60 69 55   56 56 68 61   55 48 59 52   47 43 60 49
Dewpt         42 48   54 55 63 55   56 54 56 54   47 43 39 41   37 33 39 42
PWind dir        SE       S    SW      SW     W       W     N       E     E
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    SC B1   B2 OV OV B2   B1 B1 B1 B1   B1 B1 SC FW   FW FW FW FW
PoP 12hr         10      40    50      40    30      20    10       5     5
Rain shwrs             C  C  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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