Point Forecast Matrices
Issued by NWS Charleston, SC

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000
FOUS52 KCHS 181458
PFMCHS

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
957 AM EST THU DEC 18 2014

SCZ050-182100-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N  80.03W ELEV. 45 FT
957 AM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
EST 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      63          39          63          45          54
TEMP                52 60 62 50 46 43 41 39 52 62 61 50 47 47 46 45 49 54 54 49
DEWPT               40 40 39 41 40 39 37 37 37 37 39 40 40 40 40 42 46 49 49 48
RH                  63 47 43 71 79 86 85 92 56 39 44 68 76 76 79 89 89 83 83 96
WIND DIR             N NE  E  E NW  N  N  N  N  N NE NE NE NE NE NE NE NE NE  N
WIND SPD             4  3  2  0  0  0  0  3  4  5  5  4  4  5  6  9  8  8  8  8
CLOUDS              SC SC SC SC FW FW FW SC SC SC SC B1 B2 OV OV OV OV OV OV OV
POP 12HR                      0           0           5          50         100
QPF 12HR                      0           0           0        0.02        0.29
SNOW 12HR                 00-00       00-00       00-00
RAIN                                                  S  S  C  C  D  D  D  D  C
WIND CHILL                               37
MIN CHILL                                37


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
EST 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          44    57      45    59      46    63      51    59
TEMP          46 44 55 50   48 46 59 52   49 46 61 53   55 52 59 50
DEWPT         46 44 49 49   48 46 51 50   47 46 53 53   55 52 44 38
PWIND DIR        NE    NE      NE     N       N    SE       S     W
WIND CHAR        GN    GN      LT    LT      LT    LT      GN    BZ
AVG CLOUDS    OV OV B2 B2   B2 OV OV B2   B2 B2 B2 B2   OV B2 SC FW
POP 12HR         50    20      40    30      30    40      50    10
RAIN           C  C  S  S    C  C  C  C    C  C  C  C    C  C

$$
GAZ118-182100-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N  81.20W ELEV. 50 FT
957 AM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
EST 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      66          40          65          48          57
TEMP                50 61 64 52 47 45 42 41 54 64 64 53 49 50 49 49 52 57 57 51
DEWPT               39 39 38 41 42 40 38 38 39 40 42 45 46 46 46 47 50 53 53 51
RH                  66 44 38 66 83 82 86 89 57 41 45 74 89 86 89 93 93 86 86100
WIND DIR            NW  W  W SW  W  W  W NW  N NE NE  E NE NE NE NE NE NE NE  N
WIND SPD             3  3  4  0  0  0  0  3  2  3  3  3  3  3  4  5  6  6  6  6
CLOUDS              SC SC SC SC FW FW FW SC SC SC B1 B2 OV OV OV OV OV OV OV OV
POP 12HR                      0           0          10          60          90
QPF 12HR                      0           0           0        0.03        0.18
SNOW 12HR                 00-00       00-00       00-00
RAIN                                                  S  S  L  L  D  D  D  D  C
WIND CHILL                               39
MIN CHILL                                39


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
EST 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          47    58      45    60      47    65      49    59
TEMP          49 47 57 50   48 46 60 52   49 47 63 54   55 50 58 49
DEWPT         48 46 51 50   48 46 52 52   48 47 54 54   52 49 42 39
PWIND DIR         N    NE       N     N       N    SE       S     W
WIND CHAR        LT    LT      LT    LT      LT    LT      GN    BZ
AVG CLOUDS    OV OV OV B2   B2 OV OV B2   B2 B2 B2 B2   OV B2 SC FW
POP 12HR         40    20      40    30      30    40      50    10
RAIN           C  C  S  S    C  C  C  C    C  C  C  C    C  C

$$
SCZ050-182100-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N  79.94W ELEV. 10 FT
957 AM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
EST 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      62          42          61          47          56
TEMP                52 60 61 53 50 47 45 43 53 60 60 52 50 50 49 48 52 55 55 51
DEWPT               41 41 41 42 41 40 38 38 38 38 40 41 42 42 43 44 47 51 51 50
RH                  66 49 48 66 71 76 76 82 57 44 47 66 74 74 80 86 83 86 86 96
WIND DIR             N NE  E  E  N  N  N  N  N NE NE NE NE NE NE NE NE NE NE NE
WIND SPD             5  3  3  2  2  2  3  4  5  5  5  6  6  6  9 10 10  9 10 10
CLOUDS              SC SC SC SC FW FW FW SC SC SC SC B1 B2 OV OV OV OV OV OV OV
POP 12HR                      0           0           5          50          90
QPF 12HR                      0           0           0        0.01        0.30
SNOW 12HR                 00-00       00-00       00-00
RAIN                                                  S  S  C  C  D  D  D  D  C


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
EST 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          47    57      49    59      49    63      53    60
TEMP          48 47 56 52   51 49 59 54   51 49 61 55   58 53 60 53
DEWPT         48 47 50 51   51 49 51 51   48 49 54 55   56 53 45 40
PWIND DIR        NE    NE      NE     N       N    SE       S     W
WIND CHAR        GN    GN      LT    LT      LT    LT      GN    BZ
AVG CLOUDS    OV OV B2 B2   B2 OV OV B2   B2 B2 B2 B2   B2 B2 SC FW
POP 12HR         50    20      40    30      30    40      50    10
RAIN           C  C  S  S    C  C  C  C    C  C  C  C    C  C

$$
SCZ048-182100-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N  80.72W ELEV. 37 FT
957 AM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
EST 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      63          41          63          47          56
TEMP                50 59 61 52 49 47 44 42 53 62 62 52 50 51 49 49 52 55 55 50
DEWPT               41 40 40 44 43 40 39 38 39 40 43 45 45 45 44 45 48 52 52 50
RH                  71 49 46 74 80 76 82 86 59 44 50 77 83 80 83 86 86 90 90100
WIND DIR             N NW SE  W  W  W NW  N  N NE NE NE NE NE NE NE NE NE NE  N
WIND SPD             3  2  2  0  0  0  0  3  3  4  4  4  3  4  5  8  8  6  6  6
CLOUDS              SC SC SC SC FW FW FW SC SC SC B1 B2 OV OV OV OV OV OV OV OV
POP 12HR                      0           0          10          60          90
QPF 12HR                      0           0           0        0.04        0.24
SNOW 12HR                 00-00       00-00       00-00
RAIN                                                  S  S  L  L  D  D  D  D  C


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
EST 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          46    57      46    59      47    63      50    59
TEMP          47 46 55 50   49 46 59 53   50 48 62 55   56 51 58 51
DEWPT         47 46 50 50   49 46 52 52   48 48 53 55   54 50 43 39
PWIND DIR         N    NE       N     N       N    SE       S     W
WIND CHAR        LT    GN      LT    LT      LT    LT      GN    BZ
AVG CLOUDS    OV OV B2 B2   B2 OV OV B2   B2 B2 B2 B2   OV B2 SC FW
POP 12HR         40    20      40    30      30    40      50    10
RAIN           C  C  S  S    C  C  C  C    C  C  C  C    C  C

$$
SCZ043-182100-
WALTERBORO-INLAND COLLETON SC
32.91N  80.67W ELEV. 98 FT
957 AM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
EST 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      63          36          63          43          52
TEMP                50 60 61 50 44 41 38 37 50 61 62 48 45 44 44 43 46 51 52 46
DEWPT               39 39 38 40 39 38 36 35 36 37 39 40 40 40 40 41 44 47 47 46
RH                  66 46 42 68 82 89 92 92 58 41 43 74 82 86 86 93 93 86 83100
WIND DIR             N  N  N  N NW NE  N  N  N NE NE NE NE NE NE NE NE NE NE  N
WIND SPD             3  2  1  0  0  0  0  2  3  3  4  4  3  3  4  5  5  5  5  4
CLOUDS              SC SC SC SC FW FW FW SC SC SC SC B2 OV OV OV OV OV OV OV OV
POP 12HR                      0           0          10          60         100
QPF 12HR                      0           0           0        0.03        0.27
SNOW 12HR                 00-00       00-00       00-00
RAIN                                                  S  S  L  L  D  D  D  D  C
WIND CHILL                                                       39
MIN CHILL                                36                      39


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
EST 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          41    55      43    58      44    63      49    58
TEMP          43 41 53 48   45 43 57 50   46 44 61 52   54 49 58 49
DEWPT         43 41 47 47   45 43 49 49   45 44 51 52   54 49 41 37
PWIND DIR        NE    NE      NE     N       N    SE       S    SW
WIND CHAR        LT    LT      LT    LT      LT    LT      GN    BZ
AVG CLOUDS    OV OV B2 B2   B2 OV OV B2   B2 B2 B2 B2   OV B2 SC FW
POP 12HR         40    20      40    30      30    30      50    10
RAIN           C  C  S  S    C  C  C  C    C  C  C  C    C  C

$$
GAZ099-182100-
METTER-CANDLER GA
32.40N  82.06W ELEV. 197 FT
957 AM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
EST 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      63          39          65          46          54
TEMP                48 59 62 48 45 44 41 39 51 61 64 51 48 48 47 46 49 53 54 48
DEWPT               38 37 35 39 40 38 37 37 38 39 42 45 45 45 45 46 49 52 52 48
RH                  68 44 36 71 82 79 85 92 61 44 45 80 89 89 93100100 96 93100
WIND DIR             N NW  W  W  W  W NW  N  N NE NE NE NE  E  E  E NE NE NE NE
WIND SPD             3  2  4  0  0  0  0  2  2  2  2  1  2  2  3  4  5  5  5  4
CLOUDS              SC SC SC SC FW FW SC SC SC SC B1 B2 OV OV OV OV OV OV OV OV
POP 12HR                      0           0          10          60          90
QPF 12HR                      0           0           0        0.04        0.25
SNOW 12HR                 00-00       00-00       00-00
RAIN                                                  S  S  L  L  D  D  D  D  C


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
EST 6HRLY     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          43    54      44    58      45    63      47    55
TEMP          46 44 53 48   45 44 56 49   46 45 61 53   52 48 53 45
DEWPT         45 44 48 48   45 44 48 49   45 45 53 53   52 47 39 37
PWIND DIR        NE    NE      NE     N      NE    SE       S     W
WIND CHAR        LT    LT      LT    LT      LT    LT      GN    BZ
AVG CLOUDS    OV OV OV B2   B2 OV B2 B2   B2 B2 B2 B2   OV B2 SC SC
POP 12HR         30    20      40    30      30    30      50    10
RAIN           C  C  S  S    C  C  C  C    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

$$



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