Point Forecast Matrices
Issued by NWS Charleston, SC

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000
FOUS52 KCHS 181957
PFMCHS

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
256 PM EST THU DEC 18 2014

SCZ050-190900-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N  80.03W ELEV. 45 FT
256 PM EST THU DEC 18 2014

DATE           12/18/14      FRI 12/19/14            SAT 12/20/14            SUN
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                      39          63          45          52          43
TEMP          61 51 47 44 42 40 53 62 62 50 48 48 46 45 49 52 52 48 47 45 44 43
DEWPT         41 41 41 40 40 38 38 38 39 40 39 38 37 38 42 44 44 45 44 42 40 38
RH            48 68 79 86 93 92 57 41 43 68 71 68 71 76 77 74 74 89 89 89 86 82
WIND DIR       W  N  N  N  N  N NE NE  E NE NE NE NE NE NE  N NE  N  N  N  N  N
WIND SPD       3  2  0  0  2  4  4  3  4  2  3  3  4  6  6  6  8  6  5  6  6  6
CLOUDS        FW SC SC SC SC FW FW SC B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 B1 B1
POP 12HR                      0           0          70         100          30
QPF 12HR                      0           0        0.04        0.21           0
SNOW 12HR                 00-00       00-00       00-00
RAIN                                            C  C  D  D  D  D  C  C  S  S  S
WIND CHILL                   37                                              39
MIN CHILL                    37                                              39


DATE           12/21  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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      46    61      46    63      51    59      38    55
TEMP          55 50   48 47 60 53   50 46 61 52   56 53 59 51   42 39 54 44
DEWPT         40 43   48 46 51 50   47 46 53 52   55 52 44 38   33 31 32 33
PWIND DIR        NE      NE    SW       N    SE       S     W       W     W
WIND CHAR        LT      LT    LT      LT    LT      GN    BZ      GN    GN
AVG CLOUDS    B1 B1   B2 OV OV OV   B2 B2 B1 B2   OV B2 SC FW   FW FW FW FW
POP 12HR         20      50    50      30    40      50    10       5     5
RAIN           S  S    C  C  C  C    C  C  C  C    C  C

$$
GAZ118-190900-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N  81.20W ELEV. 50 FT
256 PM EST THU DEC 18 2014

DATE           12/18/14      FRI 12/19/14            SAT 12/20/14            SUN
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          65          47          55          46
TEMP          62 53 48 45 42 40 53 63 64 52 49 49 48 48 52 55 55 51 49 48 47 46
DEWPT         38 40 40 40 38 37 40 41 42 46 46 46 45 45 48 50 50 49 46 45 43 42
RH            41 61 74 82 86 89 61 44 45 80 89 89 89 89 86 83 83 93 89 89 86 86
WIND DIR       W  W  N  W NW  N  N NE  E  E NE NE NE NE NE  N NE NE NE  N  N  N
WIND SPD       4  2  0  0  2  3  4  3  3  2  3  3  3  4  6  6  6  6  4  4  4  4
CLOUDS        FW FW SC SC SC FW SC SC B1 B2 OV OV OV OV OV OV OV B2 B2 B2 B2 B2
POP 12HR                      0           0          70          90          20
QPF 12HR                      0           0        0.06        0.10           0
SNOW 12HR                 00-00       00-00       00-00
RAIN                                            C  L  D  D  L  L  S  S  S  S  C
WIND CHILL                   38
MIN CHILL                    38


DATE           12/21  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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          59      47    63      47    65      49    59      38    56
TEMP          58 51   50 48 62 54   50 47 64 53   54 50 58 50   41 39 54 46
DEWPT         44 46   48 46 52 52   48 47 54 53   52 49 42 39   35 33 34 35
PWIND DIR        NE       E    SE       N    SE       S     W       W     W
WIND CHAR        LT      LT    LT      LT    LT      GN    BZ      GN    GN
AVG CLOUDS    B2 B2   B2 OV OV B2   B2 B2 B2 B2   OV B2 SC FW   FW FW FW FW
POP 12HR         20      50    40      30    40      50    10       5     5
RAIN           C  C    C  C  C  C    C  C  C  C    C  C

$$
SCZ050-190900-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N  79.94W ELEV. 10 FT
256 PM EST THU DEC 18 2014

DATE           12/18/14      FRI 12/19/14            SAT 12/20/14            SUN
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                      43          62          48          53          45
TEMP          59 52 50 47 45 43 53 60 61 53 51 51 49 48 51 53 53 50 49 47 46 45
DEWPT         42 42 42 42 41 40 39 39 40 41 41 40 39 41 44 45 46 45 44 43 41 40
RH            53 69 74 83 86 89 59 46 46 64 68 66 68 77 77 74 77 83 83 86 83 82
WIND DIR       W NW  N  N  N  N  N NE  E NE NE NE NE NE NE NE NE  N  N  N  N  N
WIND SPD       3  1  2  2  4  5  5  4  5  3  5  5  6  9  9  9  9  9  8  8  9  9
CLOUDS        FW SC SC SC SC FW SC SC B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 B1 B1
POP 12HR                      0           0          70          90          30
QPF 12HR                      0           0        0.04        0.22           0
SNOW 12HR                 00-00       00-00       00-00
RAIN                                            C  C  D  D  D  D  C  C  C  C  S
WIND CHILL                   39
MIN CHILL                    39


DATE           12/21  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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      50    61      49    63      53    60      41    55
TEMP          55 52   52 52 60 56   53 49 60 55   58 54 60 54   44 41 54 47
DEWPT         42 44   51 49 51 51   48 49 54 55   56 53 45 40   35 33 34 35
PWIND DIR        NE       E     W       N    SE       S     W       W     W
WIND CHAR        GN      LT    LT      LT    LT      GN    BZ      BZ    GN
AVG CLOUDS    B1 B1   B2 OV OV OV   B2 B2 B1 B2   B2 B2 SC FW   FW FW FW FW
POP 12HR         20      50    50      30    40      50    10       5     5
RAIN           S  S    C  C  C  C    C  C  C  C    C  C

$$
SCZ048-190900-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N  80.72W ELEV. 37 FT
256 PM EST THU DEC 18 2014

DATE           12/18/14      FRI 12/19/14            SAT 12/20/14            SUN
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                      41          64          46          53          44
TEMP          60 54 51 48 44 42 53 62 62 51 50 50 48 47 51 53 53 49 48 46 45 44
DEWPT         41 43 42 41 40 39 42 43 44 46 45 43 41 42 45 47 48 46 45 44 42 41
RH            49 66 71 77 86 89 66 50 52 83 83 77 77 83 80 80 83 89 89 93 89 89
WIND DIR       W  W  S  W NW  N  N NE  E  E NE NE NE NE NE  N  N  N  N  N  N  N
WIND SPD       3  1  0  0  2  3  4  3  4  2  3  3  4  4  6  6  6  6  4  5  6  6
CLOUDS        FW SC SC SC SC SC SC SC B1 B2 OV OV OV OV OV OV OV B2 B2 B2 B2 B2
POP 12HR                      0           0          70          90          20
QPF 12HR                      0           0        0.06        0.14           0
SNOW 12HR                 00-00       00-00       00-00
RAIN                                         S  C  L  D  D  D  D  S  S  S  S  S


DATE           12/21  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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      47    61      47    63      50    59      39    55
TEMP          56 51   51 50 61 55   51 47 62 54   57 51 59 51   42 40 53 47
DEWPT         42 44   49 46 52 52   48 47 53 54   54 50 43 39   35 33 33 33
PWIND DIR        NE      NE    SW       N    SE       S     W       W     W
WIND CHAR        LT      LT    LT      LT    LT      GN    BZ      GN    GN
AVG CLOUDS    B2 B2   B2 OV OV OV   B2 B2 B2 B2   OV B2 SC FW   FW FW FW FW
POP 12HR         20      50    50      30    40      50    10       5     5
RAIN           S  S    C  C  C  C    C  C  C  C    C  C

$$
SCZ043-190900-
WALTERBORO-INLAND COLLETON SC
32.91N  80.67W ELEV. 98 FT
256 PM EST THU DEC 18 2014

DATE           12/18/14      FRI 12/19/14            SAT 12/20/14            SUN
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          63          43          51          40
TEMP          61 51 46 43 40 38 52 62 62 49 45 45 44 43 46 51 51 46 44 42 41 40
DEWPT         39 40 40 39 38 36 39 39 40 41 39 38 36 37 40 42 44 44 43 42 41 39
RH            44 66 79 86 92 92 61 43 44 74 79 76 73 79 79 71 77 93 96100100 96
WIND DIR       W NW  S NE NW  N NE NE NE NE NE NE NE NE NE NE NE NE  N  N  N  N
WIND SPD       3  1  0  0  1  2  3  3  3  2  3  3  3  4  5  4  5  5  3  4  4  4
CLOUDS        FW SC SC SC SC FW SC SC B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2
POP 12HR                      0           0          80         100          30
QPF 12HR                      0           0        0.04        0.18           0
SNOW 12HR                 00-00       00-00       00-00
RAIN                                         S  C  L  D  D  D  D  C  C  S  S  S
WIND CHILL                                                             39 38 37
MIN CHILL                    37    39                                  39    37


DATE           12/21  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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      44    60      44    63      49    58      37    54
TEMP          54 48   46 45 59 52   48 44 61 51   56 51 58 50   40 37 53 44
DEWPT         39 41   45 43 49 49   45 44 51 51   54 49 41 37   32 31 32 33
PWIND DIR        NE      NE    NW       N    SE       S    SW       W     W
WIND CHAR        LT      LT    LT      LT    LT      GN    BZ      GN    GN
AVG CLOUDS    B1 B1   B2 OV OV OV   B2 B1 B1 B2   OV B2 SC FW   FW FW FW FW
POP 12HR         20      50    50      30    30      50    10       5     5
RAIN           S  S    C  C  C  C    C  C  C  C    C  C

$$
GAZ099-190900-
METTER-CANDLER GA
32.40N  82.06W ELEV. 197 FT
256 PM EST THU DEC 18 2014

DATE           12/18/14      FRI 12/19/14            SAT 12/20/14            SUN
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                      39          64          45          54          44
TEMP          62 50 46 44 42 40 51 61 63 50 47 48 46 46 48 54 54 49 47 46 45 44
DEWPT         38 39 39 37 37 36 37 39 40 43 43 43 43 44 46 47 49 48 46 44 43 42
RH            41 66 76 76 82 85 59 44 43 77 86 83 89 93 93 77 83 96 96 93 93 93
WIND DIR       W  W  N  W  N  N  N  N NW  N NE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD       3  2  0  0  1  2  4  1  3  2  3  2  3  3  5  4  4  4  2  3  4  4
CLOUDS        FW FW SC SC SC SC SC SC B1 B2 OV OV OV OV OV OV OV B2 B2 B2 B2 B2
POP 12HR                      0           0          80          90          20
QPF 12HR                      0           0        0.09        0.11           0
SNOW 12HR                 00-00       00-00       00-00
RAIN                                         S  C  L  D  D  L  L  S  S  S  S  S


DATE           12/21  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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          55      45    60      45    63      47    55      37    54
TEMP          54 50   47 46 58 51   47 45 62 52   51 48 54 46   40 37 52 43
DEWPT         45 45   45 44 48 49   45 45 53 52   51 47 39 37   33 31 34 36
PWIND DIR        NE      NE    NE      NE    SE       S     W       W     W
WIND CHAR        LT      LT    LT      LT    LT      GN    BZ      GN    GN
AVG CLOUDS    B2 B2   B2 OV OV B2   B2 B2 B2 B2   OV B2 SC SC   FW FW FW FW
POP 12HR         20      50    40      30    30      50    10       5     5
RAIN           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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