Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 202006
PFMCHS

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
306 PM EST SAT DEC 20 2014

SCZ050-210900-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N  80.03W ELEV. 45 FT
306 PM EST SAT DEC 20 2014

DATE           12/20/14      SUN 12/21/14            MON 12/22/14            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                      42          55          48          58          50
TEMP          53 47 45 44 43 43 49 54 54 51 50 49 48 48 53 57 57 54 52 52 51 51
DEWPT         49 45 44 44 42 42 43 45 46 47 47 47 47 47 50 52 53 52 52 51 50 50
RH            86 93 96100 96 96 80 71 74 86 89 93 96 96 89 83 86 93100 96 96 96
WIND DIR      NE NE NE NE  N  N NE NE NE NE NE NE NE  N  N  N  N  N  N  N NE NE
WIND SPD       8  6  6  6  6  6  9 10  9  6  6  5  6  8  8  5  6  4  5  5  5  5
CLOUDS        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV OV
POP 12HR                     30          40          80          70          50
QPF 12HR                      0        0.02        0.19        0.13        0.09
SNOW 12HR                 00-00       00-00       00-00
RAIN           S  S  S  S  S  S  S  C  C  C  L  L  L  L  C  C  C  C  C  C  C
RAIN SHWRS                                                                    L
OBVIS                  PF PF PF             PF PF PF PF             PF PF PF PF
WIND CHILL                39 39
MIN CHILL                    38    39


DATE           12/23  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          64      57    66      39    56      38    62      46    63
TEMP          63 61   59 58 65 52   45 40 54 47   42 40 60 54   49 47 61 56
DEWPT         57 59   59 58 54 43   34 32 33 35   35 35 39 43   45 44 45 47
PWIND DIR         E      SE    SW       W     W       W    SW      SW     W
WIND CHAR        LT      GN    BZ      GN    GN      LT    LT      LT    LT
AVG CLOUDS    OV OV   OV OV B2 B1   SC FW FW FW   FW FW FW FW   FW SC SC B1
POP 12HR         80      70    70      10     5       5     5      10    20
RAIN SHWRS     L  D    L  L  L  L                                      S  S

$$
GAZ118-210900-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N  81.20W ELEV. 50 FT
306 PM EST SAT DEC 20 2014

DATE           12/20/14      SUN 12/21/14            MON 12/22/14            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                      46          56          49          60          53
TEMP          56 50 48 47 46 46 51 55 55 53 51 51 50 50 55 59 60 57 55 54 54 54
DEWPT         53 50 48 47 45 45 46 48 49 49 50 49 48 49 52 55 56 55 55 54 53 53
RH            90100100100 96 96 83 77 80 86 96 93 93 96 90 87 87 93100100 96 96
WIND DIR      NE NE NE NE  N  N NE NE NE NE NE NE  N  N  N  N  N NE NE NE NE  E
WIND SPD       5  5  5  5  5  4  6  8  8  4  4  3  4  4  4  4  4  3  4  4  4  3
CLOUDS        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV OV
POP 12HR                     40          50          80          60          60
QPF 12HR                      0        0.09        0.27        0.11        0.21
SNOW 12HR                 00-00       00-00       00-00
RAIN           S  C  C  S  S  C  C  C  C  L  L  D  D  L  C  C  C  C  C  L  L
RAIN SHWRS                                                                    L
OBVIS                  PF PF PF             PF PF PF PF             PF PF PF PF


DATE           12/23  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          66      58    65      40    57      41    62      47    64
TEMP          64 62   60 58 64 52   45 41 55 48   44 42 60 55   50 48 62 56
DEWPT         59 61   60 58 53 42   35 33 34 37   38 37 41 45   48 47 47 46
PWIND DIR         E       S    SW       W     W      SW    SW      SW     W
WIND CHAR        LT      GN    BZ      GN    GN      LT    LT      LT    LT
AVG CLOUDS    OV OV   OV OV B2 B1   SC FW FW FW   FW FW FW FW   FW SC SC B2
POP 12HR         80      70    60      10     0       5     5      10    20
RAIN SHWRS     L  D    L  L  L  L                                      S  S
TSTMS          S  S    S  S

$$
SCZ050-210900-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N  79.94W ELEV. 10 FT
306 PM EST SAT DEC 20 2014

DATE           12/20/14      SUN 12/21/14            MON 12/22/14            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                      45          55          50          56          52
TEMP          54 49 47 46 46 45 50 54 54 52 51 51 50 50 53 56 56 54 53 53 52 52
DEWPT         50 46 45 44 44 44 45 47 48 48 49 49 49 49 52 54 54 53 53 52 51 51
RH            86 89 93 93 93 96 83 77 80 86 93 93 96 96 96 93 93 96100 96 96 96
WIND DIR      NE NE NE NE  N  N NE NE NE NE NE NE NE  N  N  N  N  N  N NE NE NE
WIND SPD      10 10  9  9  9 11 13 14 12 11  9  9  9 10 10  8  6  5  6  8  8  8
CLOUDS        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV
POP 12HR                     30          40          80          70          50
QPF 12HR                      0        0.04        0.21        0.14        0.10
SNOW 12HR                 00-00       00-00       00-00
RAIN           S  C  S  S  S  S  S  C  C  C  L  L  D  L  C  C  C  C  C  C  C
RAIN SHWRS                                                                    L
OBVIS                  PF PF PF             PF PF PF PF             PF PF PF PF
WIND CHILL                   39
MIN CHILL                    39


DATE           12/23  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          61      59    66      42    56      41    62      49    63
TEMP          60 60   59 60 65 54   46 42 54 48   44 43 60 55   51 50 62 56
DEWPT         58 60   59 59 55 44   36 33 34 36   37 37 41 44   46 46 47 48
PWIND DIR         E      SE    SW       W     W       W    SW      SW     W
WIND CHAR        GN      GN    BZ      BZ    GN      LT    LT      LT    GN
AVG CLOUDS    OV OV   OV OV B2 B1   SC FW FW FW   FW FW FW FW   FW SC SC B1
POP 12HR         80      70    70      10     5       5     5      10    20
RAIN SHWRS     L  D    L  L  L  L                                      S  S
TSTMS          S  S

$$
SCZ048-210900-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N  80.72W ELEV. 37 FT
306 PM EST SAT DEC 20 2014

DATE           12/20/14      SUN 12/21/14            MON 12/22/14            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                      44          55          49          59          52
TEMP          55 49 47 46 45 45 50 54 54 52 51 50 50 50 54 58 58 55 54 53 52 52
DEWPT         52 49 46 45 44 44 45 47 48 48 49 48 48 48 51 54 54 54 54 52 51 51
RH            90100 96 96 96 96 83 77 80 86 93 93 93 93 90 86 86 96100 96 96 96
WIND DIR      NE NE NE NE  N  N NE NE  N NE NE NE  N  N  N  N  N  N NE NE NE  E
WIND SPD       5  6  8  6  6  5  9  9  8  4  5  4  5  5  5  4  5  3  4  5  5  4
CLOUDS        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV OV
POP 12HR                     30          50          80          60          50
QPF 12HR                      0        0.05        0.23        0.12        0.13
SNOW 12HR                 00-00       00-00       00-00
RAIN           S  C  C  S  S  S  C  C  C  C  L  L  D  L  C  C  C  C  C  C  C
RAIN SHWRS                                                                    D
OBVIS                  PF PF PF             PF PF PF PF             PF PF PF PF


DATE           12/23  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          65      58    65      40    56      41    62      48    63
TEMP          63 61   59 58 64 53   45 41 54 48   44 42 60 55   50 48 61 56
DEWPT         58 60   59 58 54 42   35 33 34 37   38 37 41 45   47 46 47 46
PWIND DIR         E      SE    SW       W     W      SW    SW      SW     W
WIND CHAR        LT      GN    BZ      GN    GN      LT    LT      LT    LT
AVG CLOUDS    OV OV   OV OV B2 B1   SC FW FW FW   FW FW FW FW   FW SC SC B1
POP 12HR         80      70    60      10     5       5     5      10    20
RAIN SHWRS     D  D    L  L  L  L                                      S  S
TSTMS          S  S    S  S

$$
SCZ043-210900-
WALTERBORO-INLAND COLLETON SC
32.91N  80.67W ELEV. 98 FT
306 PM EST SAT DEC 20 2014

DATE           12/20/14      SUN 12/21/14            MON 12/22/14            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                      40          53          45          56          48
TEMP          52 46 43 43 42 41 47 52 53 49 48 47 46 46 50 55 55 52 51 50 49 49
DEWPT         50 45 43 43 42 40 41 43 45 45 45 44 44 44 48 51 52 51 51 49 49 49
RH            93 96100100100 96 79 71 74 86 89 89 93 93 93 86 90 96100 96100100
WIND DIR      NE NE NE NE NE  N NE NE NE NE NE NE NE  N  N  N  N  N  N NE NE NE
WIND SPD       6  5  5  4  4  3  6  6  6  3  4  3  5  6  6  5  5  2  2  2  2  2
CLOUDS        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 OV OV OV
POP 12HR                     20          40          70          60          50
QPF 12HR                      0        0.03        0.18        0.09        0.09
SNOW 12HR                 00-00       00-00       00-00
RAIN           S  S  S  S        S  S  C  C  L  L  L  L  C  C  C  C  C  C  C
RAIN SHWRS                                                                    D
OBVIS                  PF PF PF             PF PF PF PF             PF PF PF PF
WIND CHILL          39    39 39
MIN CHILL              39    38    39


DATE           12/23  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          63      56    65      37    56      36    62      44    62
TEMP          62 59   57 56 64 51   43 38 54 46   40 38 59 52   47 45 60 54
DEWPT         56 58   57 56 52 40   33 31 32 34   35 34 38 43   44 43 43 44
PWIND DIR         E      SE    SW       W     W      SW    SW      SW     W
WIND CHAR        LT      GN    GN      GN    GN      LT    LT      LT    LT
AVG CLOUDS    OV OV   OV OV B2 B1   SC FW FW FW   FW FW FW FW   FW SC SC B1
POP 12HR         80      80    60      10     5       5     5      10    20
RAIN SHWRS     D  D    D  D  L  L                                      S  S
TSTMS                  S  S

$$
GAZ099-210900-
METTER-CANDLER GA
32.40N  82.06W ELEV. 197 FT
306 PM EST SAT DEC 20 2014

DATE           12/20/14      SUN 12/21/14            MON 12/22/14            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                      44          54          46          58          51
TEMP          55 50 47 46 45 45 49 53 53 50 48 48 47 47 52 57 57 54 53 52 52 52
DEWPT         50 48 47 46 44 44 46 48 49 48 48 47 46 46 50 53 54 53 53 52 51 51
RH            83 93100100 96 96 89 83 86 93100 96 96 96 93 86 90 96100100 96 96
WIND DIR      NE NE NE NE NE NE NE NE NE NE  E NE NE NE  N  N NE NE NE NE  E  E
WIND SPD       4  4  5  5  5  3  5  6  6  3  3  2  3  4  4  4  4  2  2  2  2  2
CLOUDS        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV OV OV
POP 12HR                     30          50          80          50          60
QPF 12HR                      0        0.10        0.25        0.07        0.24
SNOW 12HR                 00-00       00-00       00-00
RAIN           S  C  S  S  S  S  C  C  C  L  L  D  L  C  C  C  C  C  C  L  L
RAIN SHWRS                                                                    D
OBVIS                  PF PF PF             PF PF PF PF             PF PF PF PF


DATE           12/23  WED 12/24/14  THU 12/25/14  FRI 12/26/14  SAT 12/27/14
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          64      56    63      37    56      37    62      44    62
TEMP          63 60   58 56 62 50   42 38 54 46   41 39 60 53   48 45 60 53
DEWPT         57 59   58 56 47 39   32 30 34 35   34 34 41 45   45 44 43 42
PWIND DIR         E       S    SW       W     W      SW    SW      SW     W
WIND CHAR        LT      GN    BZ      GN    GN      LT    LT      LT    LT
AVG CLOUDS    OV OV   OV OV B2 SC   SC FW FW FW   FW FW FW FW   SC SC SC B2
POP 12HR         80      80    50       5     0       5     5      10    20
RAIN SHWRS     D  D    D  D  C  C                                      S  S
TSTMS                  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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