Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 130522
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
1221 AM EST Wed Dec 13 2017

SCZ050-140900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1221 AM EST Wed Dec 13 2017

Date           12/12/17      Wed 12/13/17            Thu 12/14/17            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                      31          50          36          62          40
Temp                   41 35 31 41 48 49 40 39 39 37 37 50 60 61 49 45 44 42 42
Dewpt                  28 24 22 20 21 23 27 28 28 30 33 38 39 40 42 41 40 40 39
RH                     59 64 69 42 34 36 59 64 64 75 85 63 46 46 77 86 86 93 89
Wind dir               NW NW NW NW  W SW SW SW SW SW  W  W  W  W  W  W NW NW NW
Wind spd                9  8  5  5  6  8  6  9 11 11 10 11 11  8  5  4  3  3  3
Clouds                 CL CL CL CL CL CL CL CL CL CL CL FW FW FW SC SC SC B1 B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             35 28 25 37       35 33 32 29 30
Min chill              35    25    28    35    32    29    35                38


Date           12/15  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17
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      36    56      41    63      48    67      48    63
Temp          61 52   41 36 54 46   43 42 62 51   49 49 66 59   53 49 59 51
Dewpt         45 40   34 32 33 36   37 37 43 46   48 48 52 52   47 43 42 43
PWind dir         W       W     W      SW    SW       S    SW       W     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B2 B1   SC FW FW FW   FW FW FW SC   SC B1 B1 SC   SC SC FW FW
PoP 12hr         20      10     0       5     5      20    30      10     5
Rain shwrs        S                                S  S  C  C

$$
GAZ118-140900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1221 AM EST Wed Dec 13 2017

Date           12/12/17      Wed 12/13/17            Thu 12/14/17            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                      30          52          37          64          41
Temp                   43 38 31 40 49 51 42 39 38 38 38 50 61 63 51 47 44 43 42
Dewpt                  28 24 20 18 21 24 27 28 28 32 36 40 41 42 42 42 41 41 40
RH                     55 57 63 41 33 34 55 64 67 79 92 68 48 46 71 83 89 93 93
Wind dir               NW NW NW NW  W SW SW SW SW SW SW  W  W  W  W  W NW  W SW
Wind spd               10  9  6  6  5  8  6  9 10  9  9 10 10  8  5  3  2  2  3
Clouds                 CL CL CL CL CL CL CL CL CL FW FW FW FW SC SC SC SC B1 B2
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             37 32 24 35       38 33 31 32 32
Min chill              37    24    27    38    31    30    35                39


Date           12/15  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17
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      35    58      40    64      50    68      48    64
Temp          63 51   40 36 55 48   43 41 62 54   51 51 67 59   53 48 61 53
Dewpt         46 39   34 32 33 36   36 36 44 48   49 47 53 52   48 43 43 43
PWind dir         W       W     W      SW    SW       S    SW       W     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B2 B1   SC FW FW FW   FW FW SC SC   SC B1 B1 SC   SC SC SC FW
PoP 12hr         20      10     0       5     5      20    20      10     5
Rain shwrs        S                                S  S  S  S

$$
SCZ050-140900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1221 AM EST Wed Dec 13 2017

Date           12/12/17      Wed 12/13/17            Thu 12/14/17            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                      33          50          39          61          44
Temp                   43 39 33 41 48 49 42 41 41 40 40 51 59 60 51 48 46 45 44
Dewpt                  29 25 23 22 22 24 28 31 31 33 35 39 40 42 43 43 42 42 42
RH                     57 57 66 46 35 37 57 67 67 76 82 63 49 51 74 83 86 89 93
Wind dir               NW NW NW NW  W SW SW SW SW  W  W  W  W  W  W  W NW NW NW
Wind spd               13 11  8  6  6  9 10 12 14 14 11 11 11  9  6  5  4  3  4
Clouds                 CL CL CL CL CL CL CL CL CL CL CL FW FW FW SC SC SC B1 B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             36 32 26 36       36 34 33 32 33
Min chill              35    26    27    36    33    31    37


Date           12/15  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17
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          60      38    56      44    63      49    66      50    63
Temp          60 52   43 38 54 48   46 45 62 54   51 50 66 59   54 50 60 52
Dewpt         46 41   35 33 34 37   38 38 44 48   49 49 53 54   49 44 44 44
PWind dir         W      NW     W      SW    SW      SW    SW       W     W
Wind char        GN      GN    LT      LT    LT      LT    GN      GN    LT
Avg clouds    B2 B1   SC FW FW FW   FW FW FW SC   SC B1 B1 SC   SC SC FW FW
PoP 12hr         20      20     0       5     5      20    30      10     5
Rain shwrs        S    S  S                        S  S  C  C

$$
SCZ048-140900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1221 AM EST Wed Dec 13 2017

Date           12/12/17      Wed 12/13/17            Thu 12/14/17            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                      32          50          37          61          40
Temp                   43 37 33 40 48 50 40 39 39 38 38 49 58 60 49 46 43 42 41
Dewpt                  28 24 22 19 19 23 27 28 28 31 34 38 39 40 42 41 40 40 40
RH                     55 59 63 42 31 34 59 64 64 76 85 66 49 47 77 83 89 93 96
Wind dir               NW NW NW NW  W SW SW SW SW SW  W  W  W  W  W  W NW  W  W
Wind spd               12 10  8  6  5  8  8 10 11 11  9 10 10  8  5  3  3  3  3
Clouds                 CL CL CL CL CL CL CL CL CL FW FW FW FW SC SC SC SC B1 B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             36 30 26 35       35 32 32 31 32                      39
Min chill              36    25    27    35    32    30    35                38


Date           12/15  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17
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          61      36    57      41    64      49    68      48    64
Temp          60 52   42 36 54 47   43 42 62 52   50 50 67 59   53 49 60 52
Dewpt         44 39   34 33 33 36   37 37 43 48   48 48 53 52   48 43 43 43
PWind dir         W       W     W      SW    SW       S    SW       W     W
Wind char        LT      GN    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B2 B1   SC FW FW FW   FW FW FW SC   SC B1 B1 SC   SC SC FW FW
PoP 12hr         20      10     0       5     5      20    30      10     5
Rain shwrs        S                                S  S  C  C

$$
SCZ043-140900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1221 AM EST Wed Dec 13 2017

Date           12/12/17      Wed 12/13/17            Thu 12/14/17            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                      29          50          35          60          38
Temp                   41 35 29 39 47 49 41 38 38 36 36 48 57 59 47 43 41 40 39
Dewpt                  25 23 21 18 19 21 25 26 26 29 32 37 38 39 41 40 38 38 37
RH                     52 61 72 42 32 33 52 62 62 75 85 65 49 47 79 89 89 92 92
Wind dir               NW NW NW NW  W SW SW SW SW SW SW  W  W  W  W  W NW NW NW
Wind spd                9  6  4  5  5  6  6  9 10 10  8  9  9  6  4  3  2  2  2
Clouds                 CL CL CL CL CL CL CL CL CL CL CL FW FW FW SC SC SC B1 B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             35 29 24 35       36 32 31 29 30
Min chill              35    24    26    36    31    28    33                38


Date           12/15  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17
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          58      33    56      37    63      46    67      46    64
Temp          57 49   39 34 53 44   41 38 60 50   47 47 66 57   52 47 59 50
Dewpt         42 37   32 31 32 35   35 34 41 44   47 46 50 50   46 42 41 42
PWind dir         W       W     W      SW    SW       S    SW       W     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B2 B1   SC FW FW FW   FW FW SC SC   SC B1 B1 SC   SC SC FW FW
PoP 12hr         20      10     0       5     5      20    20       5     5
Rain shwrs        S                                S  S  S  S

$$
GAZ099-140900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1221 AM EST Wed Dec 13 2017

Date           12/12/17      Wed 12/13/17            Thu 12/14/17            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                      31          52          37          61          40
Temp                   41 36 32 39 49 51 42 40 40 38 38 49 57 60 49 45 42 41 40
Dewpt                  27 23 20 19 22 24 27 28 29 33 35 40 41 41 43 41 40 40 40
RH                     57 59 61 44 34 34 55 62 64 82 89 71 55 49 80 86 93 96100
Wind dir               NW NW NW NW  W SW SW SW SW SW  W  W  W  W  W  W  W  W NW
Wind spd               10  9  6  8  6  9  6 10 10  8  6  8  8  5  3  2  2  2  3
Clouds                 CL CL CL CL CL CL CL CL CL FW FW FW FW SC SC SC B1 B1 B2
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             35 29 26 33       38 33 33 32 33                      38
Min chill              35    26    28    38    33    31    36                38


Date           12/15  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17
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          58      33    56      37    63      48    67      47    65
Temp          57 48   38 33 53 44   40 38 60 52   48 49 65 57   51 47 60 51
Dewpt         44 37   32 31 32 36   34 34 43 47   48 47 51 49   46 42 41 42
PWind dir         W       W     W      SW    SW       S    SW       W     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B2 B1   SC FW FW FW   FW FW SC SC   SC B1 SC SC   SC SC FW CL
PoP 12hr         20      10     0       5    10      30    20       5     5
Rain shwrs        S                                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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