Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 171954
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
253 PM EST Wed Jan 17 2018

SCZ050-180900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
253 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            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                      23          47          26          56          33
Temp          42 39 33 29 27 23 34 43 45 36 32 30 29 28 42 53 55 43 40 37 36 35
Dewpt         34 31 25 19 15 12 11 12 14 17 18 18 18 18 20 21 24 26 26 25 24 24
RH            73 73 72 66 60 62 38 28 28 45 56 60 63 66 41 28 30 51 57 61 61 64
Wind dir      NW NW NW NW NW NW NW NW NW  W  W  W  W SW  W SW SW SW SW SW  W  W
Wind spd       9 11 12 11  9  8  9 10  8  4  3  3  2  3  5  8  6  4  3  3  3  3
Clouds        OV B2 B1 FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           S
Wind chill    36 32 24 19 18 14 27 37    32 29 26    24 38          38 34 33 32
Min chill        32    19    14    17    32    26    23    26          34    31
Wind Chill                 Y  Y


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      37    65      49    68      45    61      44    61
Temp          58 47   41 38 63 53   50 50 67 58   51 45 59 51   46 44 60 52
Dewpt         27 31   32 31 37 40   43 45 56 56   51 43 38 40   41 42 41 45
PWind dir        SW       W    SW      SE     S      SW     W      NW     W
Wind char        LT      LT    LT      LT    GN      GN    LT      LT    LT
Avg clouds    CL FW   FW FW FW FW   FW SC B1 B2   B2 B1 SC FW   FW SC SC SC
PoP 12hr          0       0     5      10    30      30     5       5     5
Rain shwrs                                 C  C    C  C

$$
GAZ118-180900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
253 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            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                      23          48          27          57          32
Temp          41 36 31 27 26 23 33 43 47 37 32 30 28 28 42 53 56 44 39 37 35 33
Dewpt         27 20 16 16 14 12 10 10 14 16 17 17 17 17 19 19 22 24 24 23 22 23
RH            57 52 53 63 60 62 38 25 26 42 53 58 63 63 39 26 26 45 54 56 59 66
Wind dir      NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W  W  W SW SW SW  W  W
Wind spd      11 11 10  8  6  6  8  9  6  4  3  3  2  3  6  8  6  3  2  3  2  2
Clouds        SC FW FW FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill    34 28 22 19 18 15 26 38    33 29 26    24 38             34
Min chill        28    19    15    16    33    26    23    26          34    32
Wind Chill                 Y  Y


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      37    66      50    70      45    61      44    62
Temp          58 48   40 38 63 55   50 51 69 59   52 45 59 51   46 44 60 55
Dewpt         26 31   32 31 38 40   44 47 56 55   47 42 38 40   40 42 42 45
PWind dir        SW      SW     E       E     S       W    NW      NW     W
Wind char        LT      LT    LT      LT    GN      GN    LT      LT    LT
Avg clouds    FW FW   FW FW FW FW   SC SC B2 B2   B2 B1 SC FW   FW SC SC SC
PoP 12hr          0       0     5      10    30      30     5       5    10
Rain shwrs                                 C  C    C  C

$$
SCZ050-180900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
253 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            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                      26          46          29          56          36
Temp          44 40 35 31 29 26 34 41 44 38 34 32 31 31 43 52 54 44 41 39 37 37
Dewpt         36 31 27 22 18 14 13 13 14 16 18 18 18 18 20 22 25 28 27 26 23 23
RH            73 70 72 69 63 60 41 31 29 40 51 56 58 58 39 31 32 53 57 59 56 56
Wind dir      NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W SW SW SW  W  W  W  W
Wind spd      11 14 14 14 12 11 11 11  9  6  5  5  4  4  8  9  9  4  3  4  3  4
Clouds        OV B1 B1 FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           S
Wind chill    38 32 25 20 19 15 25 34 39 33 29 26 26 26 38          39 36 34 34
Min chill        32    19    15    17    32    26    24    28          36    32
Wind Chill                 Y  Y


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      39    64      50    67      46    60      46    59
Temp          57 48   43 41 62 54   51 51 66 57   51 46 58 52   48 46 58 52
Dewpt         27 33   33 32 39 41   45 47 56 56   51 44 38 40   42 44 42 46
PWind dir        SW       W     S      SE     S      SW    NW      NW    NW
Wind char        LT      LT    LT      LT    GN      GN    LT      LT    LT
Avg clouds    CL FW   FW FW FW FW   FW SC B1 B2   B2 B1 SC FW   FW SC SC SC
PoP 12hr          0       0     5      10    20      30    10       5    10
Rain shwrs                                 S  S    C  C

$$
SCZ048-180900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
253 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            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                      24          48          28          57          33
Temp          40 38 33 29 27 24 34 43 45 37 31 31 30 29 42 53 56 44 39 37 36 34
Dewpt         30 25 22 17 15 12 10 11 13 15 17 17 17 18 19 21 23 25 24 23 22 23
RH            67 59 63 60 60 60 36 27 27 40 56 56 58 63 39 28 27 47 54 56 56 64
Wind dir      NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W SW SW SW SW SW  W  W
Wind spd      11 11 12 11  9  8  9  9  8  4  3  4  3  3  6  8  6  3  2  3  2  2
Clouds        B1 SC SC CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill    33 31 24 19 18 15 27 38    33 28 26 26 25 38             34
Min chill        31    19    15    19    33    26    24    27          34    33
Wind Chill                 Y  Y


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      38    65      49    68      44    61      44    61
Temp          57 47   41 39 62 53   49 50 67 58   52 45 58 50   47 44 60 54
Dewpt         26 32   32 31 38 40   44 46 56 55   48 42 38 40   41 43 41 46
PWind dir        SW      SW     E      SE    SE       W    NW      NW    NW
Wind char        LT      LT    LT      LT    GN      GN    LT      LT    LT
Avg clouds    FW FW   FW FW FW FW   SC SC B2 B2   B2 B1 SC FW   FW SC SC SC
PoP 12hr          0       0     5      10    30      30     5       5    10
Rain shwrs                                 C  C    C  C

$$
SCZ043-180900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
253 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            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                      22          47          26          57          31
Temp          40 37 32 27 26 22 34 44 46 36 31 29 28 27 41 53 56 44 38 35 33 32
Dewpt         31 28 23 17 14 12 11 10 14 15 17 16 17 17 18 19 23 24 24 24 23 23
RH            70 70 69 65 60 65 38 24 27 42 56 58 63 65 39 26 27 45 57 64 66 69
Wind dir      NW NW NW NW NW NW NW NW NW  W  W SW SW SW SW SW SW SW SW SW SW SW
Wind spd       8  9 10  8  6  5  8  8  6  3  2  3  2  3  5  6  6  3  2  3  2  2
Clouds        B2 B1 SC CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           S
Wind chill    35 30 24 19 18 15 27 39    33    25    23 37             32
Min chill        30    19    15    17    33    25    22    26          32    31


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      35    67      48    69      42    61      42    62
Temp          57 48   39 36 63 54   50 49 68 57   50 42 58 49   44 42 60 52
Dewpt         26 30   32 31 37 39   41 43 55 54   48 41 38 39   40 41 39 43
PWind dir        SW      SW    SW      SE     S      SW     W      NW     W
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    CL FW   FW FW FW FW   SC SC B2 B2   B2 B1 SC FW   FW SC SC SC
PoP 12hr          0       0     5      10    30      30     5       5     5
Rain shwrs                                 C  C    C  C

$$
GAZ099-180900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
253 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            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                      22          48          26          56          31
Temp          37 32 29 26 24 22 32 41 46 36 33 30 28 27 41 51 55 43 38 35 33 32
Dewpt         18 15 13 14 13 10  9 10 14 15 18 18 18 17 17 19 22 24 24 23 22 23
RH            46 49 51 60 62 59 37 27 27 42 53 60 66 65 37 28 27 47 57 61 63 69
Wind dir      NW NW NW NW NW NW NW NW  W  W  W  W  W  W  W  W  W  W SW SW SW  W
Wind spd      14 12 11  9  6  6  5  6  5  4  3  3  3  3  6  8  8  3  2  3  2  3
Clouds        FW CL FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill    28 23 19 17 16 14 26 36    32 30 26 24 23 36             32    29
Min chill        23    16    14    16    32    26    22    25          32    29


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      38    67      48    70      43    61      43    61
Temp          57 48   42 38 63 56   50 49 68 60   49 43 58 51   46 43 59 53
Dewpt         27 31   32 31 38 40   42 44 55 55   45 40 37 39   39 40 39 44
PWind dir        SW      SW    SE      SE     S       W    NW      NW    NW
Wind char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    FW FW   FW FW FW FW   SC SC B2 OV   B2 B1 SC FW   FW SC SC SC
PoP 12hr          0       0     5      10    40      30     5       5    10
Rain shwrs                                 C  C    C  C

$$

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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