Point Forecast Matrices
Issued by NWS Charleston, SC

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649
FOUS52 KCHS 220039
PFMCHS

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
738 PM EST SAT JAN 21 2017

SCZ050-220900-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N  80.03W ELEV. 45 FT
738 PM EST SAT JAN 21 2017

DATE           01/21/17      SUN 01/22/17            MON 01/23/17            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                      61          74          53          65          45
TEMP                62 62 62 62 68 73 72 67 64 62 57 53 58 63 64 57 54 49 47 46
DEWPT               61 61 60 61 63 65 66 61 57 54 50 48 47 48 47 46 44 42 41 40
RH                  97 97 93 97 84 76 81 81 78 75 77 83 67 58 54 67 69 77 79 79
WIND DIR            SW SW SW  S SW SW  S  S SW SW SW SW SW  W  W  W  W  W  W  W
WIND SPD             9  8  8 10 14 16 14 16 14 12 11 11 14 17 18 14 14 14 13 11
CLOUDS              OV B2 OV OV OV OV OV OV B1 SC SC B1 B1 B2 B1 SC SC FW FW FW
POP 12HR                     80          90          90          20           5
QPF 12HR                   0.66        0.94        0.21           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              C  L  D  D  L  D  D  L  C  C        S  S
TSTMS                      C  D  D  L  D  D


DATE           01/24  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          64      46    72      53    67      43    56      35    52
TEMP          62 53   48 47 70 58   55 54 67 59   47 43 54 48   40 35 50 45
DEWPT         43 45   45 44 49 52   54 50 49 45   42 38 35 34   31 30 29 33
PWIND DIR         W       W    SW      SW     W       W     W       W     W
WIND CHAR        GN      LT    LT      GN    GN      LT    GN      GN    GN
AVG CLOUDS    CL CL   CL FW FW FW   SC B1 B2 B1   B1 B1 SC SC   SC FW CL CL
POP 12HR          0       0     5      10    30      20    10      10     5
RAIN SHWRS                                 C  C    S  S

$$
GAZ118-220900-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N  81.20W ELEV. 50 FT
738 PM EST SAT JAN 21 2017

DATE           01/21/17      SUN 01/22/17            MON 01/23/17            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                      62          77          52          65          44
TEMP                64 64 63 62 70 76 75 68 63 59 56 52 58 65 64 58 54 50 46 44
DEWPT               61 61 61 62 65 67 65 61 56 51 48 46 47 48 47 45 43 41 39 38
RH                  90 90 93100 84 74 71 78 78 75 74 80 67 54 54 62 66 71 76 79
WIND DIR             S  S  S  S  S  S  S  S SW SW SW SW  W  W  W  W  W  W  W  W
WIND SPD             8  6  8 11 14 14 17 17 14 12 11 12 17 21 24 18 16 16 14 13
WIND GUST                                                  32 34
CLOUDS              OV OV OV OV OV OV OV B2 B1 SC SC B1 B1 B1 B1 B1 SC FW FW FW
POP 12HR                     60          90          70          10           5
QPF 12HR                   0.63        0.92        0.03           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              C  L  C  L  D  D  L  L  C  C
TSTMS                   C  C  C  L  D  D  L
WIND CHILL                                                                   37
MIN CHILL                                                                    37


DATE           01/24  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          65      45    72      53    69      42    58      35    54
TEMP          61 52   48 46 69 60   56 54 69 59   47 42 56 47   40 35 52 46
DEWPT         43 44   44 42 51 54   54 50 50 46   42 37 35 34   32 30 32 33
PWIND DIR         W       W    SW      SW     W      NW    NW       W     W
WIND CHAR        GN      LT    LT      GN    GN      GN    GN      GN    GN
AVG CLOUDS    CL CL   CL FW FW FW   SC B1 B2 B2   B1 B1 SC SC   SC FW FW FW
POP 12HR          0       0     5      10    30      20     5      10     5
RAIN SHWRS                                 C  C    S  S

$$
SCZ050-220900-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N  79.94W ELEV. 10 FT
738 PM EST SAT JAN 21 2017

DATE           01/21/17      SUN 01/22/17            MON 01/23/17            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                      61          72          55          64          46
TEMP                61 61 61 62 67 71 71 66 64 62 58 55 58 63 63 57 54 50 48 47
DEWPT               61 61 61 61 63 65 66 62 58 54 51 48 48 48 47 47 45 43 42 41
RH                 100100100 97 87 81 84 87 81 75 77 77 69 58 56 69 71 77 80 79
WIND DIR            SW SW SW  S SW SW  S  S SW SW SW SW SW  W  W  W  W  W  W  W
WIND SPD            11 11 10 11 16 17 17 18 17 13 13 13 16 18 19 17 17 17 14 13
CLOUDS              OV B2 OV OV OV OV OV OV B1 SC SC SC B1 B2 B1 SC SC FW FW FW
POP 12HR                     70          90          90          20           5
QPF 12HR                   0.57        0.90        0.22           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS           S  C  C  D  L  L  D  D  L  C  C        S  S
TSTMS                      C  D  L  L  D  D


DATE           01/24  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          64      48    70      54    67      44    56      37    52
TEMP          62 54   50 49 68 57   56 55 66 59   48 44 54 48   41 37 50 44
DEWPT         43 45   46 45 50 52   54 52 50 46   43 39 36 34   32 31 31 33
PWIND DIR         W       W    SW      SW     W       W     W       W     W
WIND CHAR        GN      LT    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    CL CL   CL FW FW FW   SC B1 B2 B1   B1 B1 B1 SC   SC FW CL FW
POP 12HR          0       0     5      10    30      20    10      10     5
RAIN SHWRS                                 C  C    S  S

$$
SCZ048-220900-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N  80.72W ELEV. 37 FT
738 PM EST SAT JAN 21 2017

DATE           01/21/17      SUN 01/22/17            MON 01/23/17            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                      61          73          53          64          45
TEMP                62 63 62 62 68 73 72 66 63 60 56 53 58 64 63 58 54 51 48 45
DEWPT               60 60 60 61 64 65 64 60 56 52 48 46 47 48 47 45 43 41 39 39
RH                  93 90 93 97 87 76 76 81 78 75 74 77 67 56 56 62 66 68 71 79
WIND DIR             S SW  S  S  S  S  S  S SW SW SW SW  W  W  W  W  W  W  W  W
WIND SPD             8  8  8 10 12 13 14 16 14 12 11 12 16 18 20 17 16 16 13 12
WIND GUST                                                     31
CLOUDS              OV B2 OV OV OV OV OV B2 B1 SC SC B1 B2 B2 B2 B1 SC FW FW FW
POP 12HR                     70          90          80          20           5
QPF 12HR                   0.71        0.94        0.13           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              C  L  D  D  L  D  D  L  C  C        S  S
TSTMS                      C  D  D  L  D  D
WIND CHILL                                                                   39
MIN CHILL                                                                    39


DATE           01/24  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          64      46    71      53    67      42    57      35    52
TEMP          61 51   49 47 69 57   55 54 66 59   47 42 55 47   41 36 50 45
DEWPT         43 45   45 43 50 53   54 50 49 45   42 37 35 34   31 30 30 31
PWIND DIR         W       W    SW      SW     W       W     W       W     W
WIND CHAR        GN      LT    LT      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW CL   CL FW FW FW   SC B1 B2 B2   B1 B1 SC SC   SC FW FW FW
POP 12HR          0       0     5      10    30      20     5      10     5
RAIN SHWRS                                 C  C    S  S

$$
SCZ043-220900-
WALTERBORO-INLAND COLLETON SC
32.91N  80.67W ELEV. 98 FT
738 PM EST SAT JAN 21 2017

DATE           01/21/17      SUN 01/22/17            MON 01/23/17            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                      61          75          52          63          45
TEMP                62 61 61 61 68 74 74 67 64 60 56 52 57 63 63 57 53 50 47 45
DEWPT               61 60 61 61 64 65 65 61 56 52 48 46 47 47 47 45 43 42 40 40
RH                  97 97100100 87 74 74 81 75 75 74 80 69 56 56 64 69 74 76 82
WIND DIR             S SW  S  S  S  S  S  S SW SW SW SW SW  W  W  W  W  W  W  W
WIND SPD             6  5  5  8 11 11 11 13 12 10 10 11 13 16 18 14 13 13 12 11
CLOUDS              B2 OV OV OV OV OV OV OV B1 SC SC B1 B2 B2 B1 B1 SC FW FW FW
POP 12HR                     80          90          90          20           5
QPF 12HR                   0.66        0.93        0.14           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              C  L  D  D  L  D  D  L  C  C  S  S  S  S
TSTMS                      C  D  D  L  D  D
WIND CHILL                                                                   39
MIN CHILL                                                                    39


DATE           01/24  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          64      45    72      52    66      41    56      34    51
TEMP          61 53   48 46 69 58   54 53 66 58   46 41 55 47   39 34 49 44
DEWPT         42 44   44 43 49 52   54 50 48 44   41 37 34 33   30 29 29 32
PWIND DIR         W       W    SW      SW     W       W     W       W     W
WIND CHAR        GN      LT    LT      LT    GN      LT    GN      LT    GN
AVG CLOUDS    FW CL   CL FW FW FW   SC B1 B2 B1   B1 B1 SC SC   FW FW FW FW
POP 12HR          0       0     5      20    30      20    10       5     5
RAIN SHWRS                           S  S  C  C    S  S

$$
GAZ099-220900-
METTER-CANDLER GA
32.40N  82.06W ELEV. 197 FT
738 PM EST SAT JAN 21 2017

DATE           01/21/17      SUN 01/22/17            MON 01/23/17            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                      61          75          51          62          43
TEMP                65 64 62 62 69 74 73 66 58 55 53 51 56 61 61 58 52 49 45 43
DEWPT               62 62 62 62 66 66 63 59 54 50 48 47 48 48 46 44 43 41 40 40
RH                  90 93100100 90 76 71 78 86 83 83 86 74 62 58 59 71 74 82 89
WIND DIR            SW  S  S  S SW SW  S SW SW SW SW SW  W  W  W  W  W  W  W  W
WIND SPD             8  8  9 11 13 13 13 14 12 11 11 14 18 24 24 19 17 17 14 12
WIND GUST                                                  34 34
CLOUDS              B2 OV OV OV OV OV B2 B1 SC SC B1 B2 OV B2 B2 B1 SC FW FW FW
POP 12HR                     70          90          70          20           5
QPF 12HR                   0.65        0.89        0.05           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              C  L  L  L  D  D  L  L  C  C  S  S
TSTMS                   C  C  L  L  D  D  L
WIND CHILL                                                                38 36
MIN CHILL                                                                    36


DATE           01/24  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          63      45    73      52    66      40    56      34    52
TEMP          59 52   47 45 69 63   56 53 65 58   45 40 54 46   39 34 51 46
DEWPT         42 43   43 43 52 54   53 50 48 44   40 37 34 33   30 31 33 34
PWIND DIR         W       W    SW      SW     W      NW    NW       W     W
WIND CHAR        GN      LT    LT      LT    GN      LT    GN      GN    GN
AVG CLOUDS    CL CL   CL FW FW SC   B1 B2 B2 B2   B1 B1 SC SC   FW FW FW FW
POP 12HR          0       0     5      20    30      20     5       5     5
RAIN SHWRS                           S  S  C  C    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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