Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 140248
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
947 PM EST Wed Dec 13 2017

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

Date           12/13/17      Thu 12/14/17            Fri 12/15/17            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                      38          64          40          62          36
Temp                41 40 39 40 52 62 63 52 48 46 45 43 53 60 60 51 47 43 39 37
Dewpt               29 28 28 30 35 36 37 39 39 39 38 38 40 41 40 40 36 33 33 30
RH                  62 62 64 67 52 38 38 61 71 76 76 82 61 49 47 66 65 67 79 75
Wind dir            SW SW SW  W  W  W  W SW  W  W  W  W  W  W  W  W  W  W NW NW
Wind spd             9 11 10  9 11 11 10  4  2  2  1  2  5  9 10  6  5  5  4  3
Clouds              CL CL CL CL CL CL FW FW SC SC B1 B1 B2 B2 B2 B2 B1 SC SC FW
PoP 12hr                      0           0           0          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          35 33 32 34                                        39 36 34
Min chill              33    32    38                                  39    33


Date           12/16  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
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          56      38    65      52    69      51    65      46    62
Temp          55 44   39 39 64 55   52 54 68 56   51 52 63 57   51 46 61 53
Dewpt         31 34   35 35 47 51   52 52 61 56   51 48 49 48   44 41 38 42
PWind dir         W      NE    SE       S    SW       W     W       W     N
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    FW FW   FW FW SC B1   B2 B2 B2 B1   B1 B1 SC SC   SC FW FW FW
PoP 12hr          0       5    10      40    40      20    20      10     5
Rain shwrs                           C  C  C  C    S  S  S  S

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

Date           12/13/17      Thu 12/14/17            Fri 12/15/17            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                      38          66          41          63          37
Temp                42 41 40 40 53 63 64 54 49 46 45 43 53 61 60 51 48 43 39 37
Dewpt               27 27 30 33 37 37 38 40 40 40 39 39 41 43 42 41 37 33 32 29
RH                  55 57 67 76 54 38 38 59 71 79 79 86 64 51 51 68 65 67 76 72
Wind dir            SW SW SW SW  W  W  W SW  W  W  W  W  W  W  W  W  W NW NW NW
Wind spd             8 10  8  8 10 11 10  4  2  2  2  3  5  9 10  6  5  5  4  4
Clouds              CL CL FW FW CL CL FW FW FW SC B1 B1 B2 B2 B2 B2 B1 B1 SC SC
PoP 12hr                      0           0           0          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          37 35 35 35                                        39 36 33
Min chill              35    33    38                                  39    33


Date           12/16  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
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          57      39    66      55    70      52    66      46    62
Temp          54 45   41 41 65 57   56 57 69 56   56 53 65 58   52 46 61 54
Dewpt         29 34   35 37 47 51   53 55 63 56   55 49 50 48   44 40 41 43
PWind dir        NW      NE    SE       S    SW       W     W       W     N
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    FW FW   FW SC SC B1   B2 B2 B2 B1   B1 B1 B1 SC   SC FW FW FW
PoP 12hr          0       5    10      40    40      20    20      10     5
Rain shwrs                           C  C  C  C    S  S  S  S

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

Date           12/13/17      Thu 12/14/17            Fri 12/15/17            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                      40          63          43          61          38
Temp                43 42 41 43 53 61 62 53 49 47 46 45 53 60 59 51 47 44 41 38
Dewpt               32 31 31 33 36 37 38 39 39 39 39 39 40 41 40 41 38 35 34 31
RH                  65 65 67 67 52 41 41 59 68 74 76 79 61 49 49 68 71 70 76 76
Wind dir            SW SW SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W NW NW NW
Wind spd            12 14 13 12 13 12 11  5  4  3  2  2  6 10 11  8  8  8  5  5
Clouds              CL CL CL CL CL CL FW FW SC SC SC B1 B2 B2 B2 B2 B1 SC SC FW
PoP 12hr                      0           0           0          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          36 34 33 36                                        39 37 34
Min chill              33    33    38                                  38    34


Date           12/16  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
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          56      41    65      54    68      53    64      48    61
Temp          55 47   43 42 64 57   55 55 68 57   54 53 62 56   52 48 60 54
Dewpt         32 35   36 38 48 52   54 54 62 57   54 48 50 49   46 42 39 43
PWind dir         W       E    SE       S    SW       W     W       W     N
Wind char        LT      LT    LT      LT    GN      GN    GN      LT    LT
Avg clouds    FW FW   FW FW SC B1   B2 B2 B2 B1   B1 B1 B1 SC   SC FW CL FW
PoP 12hr          0       0    10      40    40      20    20      10     5
Rain shwrs                           C  C  C  C    S  S  S  S

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

Date           12/13/17      Thu 12/14/17            Fri 12/15/17            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                      38          64          41          61          37
Temp                43 41 40 41 53 61 62 52 49 47 46 45 53 60 60 51 48 44 40 37
Dewpt               29 28 30 33 37 37 38 39 39 39 39 39 40 41 41 40 37 33 32 29
RH                  57 59 67 73 54 41 41 61 68 74 76 79 61 49 49 66 65 65 73 72
Wind dir            SW SW SW  W  W  W  W SW  W  W  W  W  W  W  W  W  W  W NW NW
Wind spd            10 12 11 11 11 11 10  4  3  3  2  2  5  9 10  6  5  6  5  4
Clouds              CL CL CL CL CL FW FW SC SC SC B1 B1 B2 B2 B2 B2 B1 SC SC FW
PoP 12hr                      0           0           0          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          37 34 33 34                                           36 33
Min chill              34    32    38                                        33


Date           12/16  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
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          56      39    65      53    69      51    65      45    62
Temp          53 43   40 41 63 55   54 56 68 55   55 52 62 58   51 46 61 54
Dewpt         30 34   35 36 46 51   53 53 61 55   54 48 50 48   44 40 41 43
PWind dir        NW      NE    SE       S    SW       W     W       W     N
Wind char        LT      LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    FW FW   FW FW SC B1   B2 B2 B2 B1   B1 B1 B1 SC   SC FW FW FW
PoP 12hr          0       5    10      40    40      20    20      10     5
Rain shwrs                           C  C  C  C    S  S  S  S

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

Date           12/13/17      Thu 12/14/17            Fri 12/15/17            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                      34          63          39          60          34
Temp                38 37 36 38 52 61 63 52 48 45 44 43 50 58 58 48 44 41 37 35
Dewpt               26 25 26 30 34 36 37 39 39 38 38 37 39 39 38 38 35 32 32 28
RH                  62 61 67 73 50 39 38 61 71 76 79 79 66 49 47 68 70 70 82 75
Wind dir            SW SW SW SW  W  W  W SW SW  W  W  W  W  W  W  W  W  W NW NW
Wind spd             6 10  9  8 10 10  9  4  2  2  1  2  5  9  9  5  4  4  3  3
Clouds              CL CL CL CL CL CL FW FW SC SC B1 B1 B2 B2 B2 B1 B1 SC SC FW
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          33 30 29 32                                        38 34 32
Min chill              30    28    36                                  38    31


Date           12/16  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
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          56      35    64      50    68      50    64      44    61
Temp          53 42   37 37 62 53   51 52 66 54   50 51 62 57   49 44 60 51
Dewpt         30 33   33 33 44 49   50 51 60 54   50 47 48 48   43 39 39 41
PWind dir        NW       E    SE       S    SW       W     W       W     N
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW   FW FW SC B1   B2 B2 B2 B1   B1 B1 SC SC   SC FW FW FW
PoP 12hr          0       5    10      40    40      20    20      10     5
Rain shwrs                           C  C  C  C    S  S  S  S

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

Date           12/13/17      Thu 12/14/17            Fri 12/15/17            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                      37          62          40          59          34
Temp                41 40 39 39 51 60 62 51 47 44 43 41 51 57 58 48 45 41 37 34
Dewpt               26 27 30 33 37 38 39 40 40 39 38 38 39 41 41 39 35 31 30 29
RH                  55 59 70 79 59 44 43 66 76 82 82 89 63 55 53 71 68 67 75 82
Wind dir            SW SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W NW NW NW
Wind spd             8 10  8  6  9 10  9  3  2  2  1  2  5  9 10  5  4  5  4  3
Clouds              CL CL CL CL FW FW FW SC SC SC B1 B2 B2 B2 B2 B2 B1 SC SC FW
PoP 12hr                      0           0           0          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill          36 33 33 34                                        37 33 31
Min chill              33    32    37                                  37    31


Date           12/16  Sun 12/17/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17
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          56      38    64      54    69      51    65      45    62
Temp          52 44   40 38 61 55   55 57 68 54   56 53 62 55   51 45 60 52
Dewpt         31 34   34 34 44 49   53 55 63 54   55 48 48 47   42 38 39 41
PWind dir        NW       E    SE       S    SW       W     W      NW     N
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW   FW SC SC B1   B2 B2 B2 B1   B1 B1 SC SC   SC FW FW CL
PoP 12hr          0       5    10      40    40      20    20      10     5
Rain shwrs                           C  C  C  C    S  S  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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