Point Forecast Matrices
Issued by NWS Charleston, SC

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8
000
FOUS52 KCHS 170528
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
1227 AM EST Sun Dec 17 2017

SCZ050-180900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1227 AM EST Sun Dec 17 2017

Date           12/16/17      Sun 12/17/17            Mon 12/18/17            Tue
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          65          51          67          56
Temp                   33 31 31 50 62 64 58 55 54 53 52 59 65 66 61 59 58 57 57
Dewpt                  33 31 31 36 40 41 45 48 50 51 51 54 58 58 59 58 57 57 57
RH                    100100100 58 44 43 62 77 86 93 96 83 78 75 93 96 96100100
Wind dir               NW  N  N NE  S SW SW  S  S SW SW SW SW SW SW SW SW SW SW
Wind spd                0  0  0  1  4  2  0  0  0  1  0  3  5  5  5  5  5  4  4
Clouds                 FW SC SC SC SC SC B1 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2
PoP 12hr                      0           0          20          50          30
QPF 12hr                      0           0           0        0.12        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  C  C  S  S
Obvis                  PF PF PF


Date           12/19  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17
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          70      58    67      49    65      50    69      53    67
Temp          69 64   61 58 66 59   51 49 64 55   51 51 68 60   56 54 67 59
Dewpt         58 59   57 53 51 50   47 47 52 53   51 51 60 59   56 54 58 55
PWind dir         W       W     N      SW    NE      NE     W      SW    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B1   B1 SC SC SC   B1 B1 B1 B1   B1 B1 B1 B2
PoP 12hr         20      50    50      40    20      10    20      30    30
Rain shwrs        S    C  C  C  C    C  C  S  S          S  S    C  C  C  C

$$
GAZ118-180900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1227 AM EST Sun Dec 17 2017

Date           12/16/17      Sun 12/17/17            Mon 12/18/17            Tue
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          67          54          71          58
Temp                   35 34 34 51 64 65 60 57 56 55 55 62 69 70 64 62 61 60 59
Dewpt                  33 33 34 36 39 44 49 50 52 54 54 57 61 61 61 61 60 59 59
RH                     92 96100 56 40 46 67 77 86 96 96 84 76 73 90 97 97 96100
Wind dir                N NE NE  E SE  S SE SE  S  S  S SW SW SW SW SW SW SW  W
Wind spd                0  0  0  3  5  2  0  0  0  0  0  3  5  4  4  4  4  4  3
Clouds                 FW SC SC SC SC B1 B1 B1 B1 OV OV OV OV OV OV B2 B2 B2 B2
PoP 12hr                      0           0          10          50          20
QPF 12hr                      0           0           0        0.09           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  S  S
Obvis                     PF PF


Date           12/19  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17
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          72      60    70      52    68      52    71      54    68
Temp          71 66   64 60 70 63   56 52 66 58   55 53 70 61   58 55 68 60
Dewpt         60 60   59 56 56 53   50 50 55 56   55 53 62 60   57 55 60 57
PWind dir         W       W     E      SW     N      NE    NW       W    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B1   B1 B1 SC B1   B1 B1 B1 B1   B1 B1 B1 B2
PoP 12hr         10      40    40      40    20      10    20      20    30
Rain shwrs             C  C  C  C    C  C  S  S          S  S    S  S  C  C

$$
SCZ050-180900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1227 AM EST Sun Dec 17 2017

Date           12/16/17      Sun 12/17/17            Mon 12/18/17            Tue
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                      35          62          54          63          57
Temp                   40 35 36 51 60 61 58 56 55 55 54 58 62 63 60 59 58 57 57
Dewpt                  37 35 35 40 44 45 49 50 52 52 52 55 58 59 59 58 58 57 57
RH                     89100 96 66 55 56 72 80 90 90 93 90 87 87 96 96100100100
Wind dir               NW  N  N NE SE SW SW  S SW SW SW SW SW SW SW SW SW SW  W
Wind spd                0  0  0  2  3  3  1  1  1  2  1  4  6  6  8  8  6  6  5
Clouds                 FW FW SC SC SC SC B1 B1 B2 B2 OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           0          20          50          30
QPF 12hr                      0           0           0        0.10        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  C  C  S  S
Obvis                  PF PF PF


Date           12/19  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17
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      59    67      51    65      53    69      55    67
Temp          66 62   61 59 66 59   53 51 64 57   54 53 68 60   56 55 67 60
Dewpt         59 59   59 55 52 51   49 49 53 55   54 53 61 59   56 55 59 56
PWind dir         W       W     N      SW    NE       N     W      SW     N
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B2   B2 B2 B2 B1   B1 SC SC SC   B1 B1 B1 B1   B1 B1 B1 B2
PoP 12hr         10      50    50      40    20      10    20      30    30
Rain shwrs             C  C  C  C    C  C  S  S          S  S    C  C  C  C

$$
SCZ048-180900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1227 AM EST Sun Dec 17 2017

Date           12/16/17      Sun 12/17/17            Mon 12/18/17            Tue
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          65          52          67          57
Temp                   35 34 36 51 62 64 58 56 55 54 53 59 65 66 62 60 59 58 58
Dewpt                  34 33 34 38 39 44 48 49 52 53 53 56 59 60 60 59 58 58 58
RH                     96 96 92 61 43 48 69 77 90 96100 90 81 81 93 96 96100100
Wind dir               NW  N NE  E SE  S  S SE  S SW SW SW SW SW SW SW SW SW  W
Wind spd                0  0  0  2  4  2  0  0  0  1  0  3  4  4  4  4  5  4  3
Clouds                 FW FW FW SC SC SC B1 SC B2 OV OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           0          20          50          20
QPF 12hr                      0           0           0        0.11           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C  C  C  S  S
Obvis                  PF PF PF


Date           12/19  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17
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          71      58    68      51    66      51    69      53    67
Temp          69 64   62 58 68 60   54 51 64 56   53 51 68 60   56 54 67 59
Dewpt         59 60   58 54 54 52   48 48 52 55   53 51 60 59   56 54 58 55
PWind dir         W       W    NE      SW     N      NE    NW      SW    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B1   B1 SC SC B1   B1 B1 B1 B1   B1 B1 B2 B2
PoP 12hr         20      40    50      40    20      10    20      30    30
Rain shwrs        S    C  C  C  C    C  C  S  S          S  S    C  C  C  C

$$
SCZ043-180900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1227 AM EST Sun Dec 17 2017

Date           12/16/17      Sun 12/17/17            Mon 12/18/17            Tue
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          65          50          66          55
Temp                   31 32 33 49 62 64 57 55 53 52 51 58 64 65 61 59 58 57 56
Dewpt                  31 31 30 34 36 38 42 45 49 50 50 53 57 59 59 57 57 56 56
RH                    100 96 89 56 38 38 57 69 86 93 96 83 78 81 93 93 96 96100
Wind dir                W NE NE  E  S SW  E  S  S SW SW SW SW SW SW SW SW SW SW
Wind spd                0  0  0  2  4  1  0  0  0  0  0  3  4  4  4  4  4  4  3
Clouds                 FW FW SC SC SC B1 B1 B1 B2 B2 OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           0          20          60          30
QPF 12hr                      0           0           0        0.16        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                         S  C  C  L  L  C  C  S  S
Obvis                     PF PF


Date           12/19  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17
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          71      57    67      48    65      48    69      52    67
Temp          69 64   60 57 67 60   52 49 63 55   50 49 68 60   55 53 66 59
Dewpt         58 58   56 53 52 50   46 46 51 53   50 49 59 58   55 53 57 55
PWind dir         W       W    NE      SW    NE      NE    NW       W    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B1   B1 SC SC SC   B1 B1 B1 B1   B1 B1 B2 B2
PoP 12hr         20      50    50      40    20      10    30      30    30
Rain shwrs        S    C  C  C  C    C  C  S  S          C  C    C  C  C  C

$$
GAZ099-180900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1227 AM EST Sun Dec 17 2017

Date           12/16/17      Sun 12/17/17            Mon 12/18/17            Tue
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          65          54          69          57
Temp                   35 37 36 50 62 64 59 57 56 55 55 61 67 68 63 61 60 59 58
Dewpt                  33 32 32 34 38 43 48 50 52 54 53 57 61 62 62 60 59 58 58
RH                     92 82 85 54 41 46 67 77 86 96 93 87 81 81 97 97 96 96100
Wind dir                E  E  E SE  S SW SE SE  S  S  S SW SW SW SW SW SW  W  W
Wind spd                0  0  0  3  6  3  0  0  0  0  0  2  4  4  3  3  3  3  2
Clouds                 FW SC SC SC SC B1 B2 B1 OV OV OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           5          20          60          20
QPF 12hr                      0           0           0        0.19           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  L  L  S  S


Date           12/19  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17
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          72      59    70      51    67      52    70      54    67
Temp          71 65   64 59 69 61   55 51 64 58   54 53 68 60   58 56 67 59
Dewpt         60 61   59 56 56 54   50 48 54 55   54 53 61 59   56 55 58 56
PWind dir         W       W    SW      SW    NE       E    NW       W    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2   B2 B2 B2 B1   B1 SC SC B1   B1 B1 B1 B1   B1 B2 B2 B2
PoP 12hr         20      50    50      40    20      10    30      30    30
Rain shwrs        S    C  C  C  C    C  C  S  S          C  C    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

$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.