Point Forecast Matrices
Issued by NWS Charleston, SC

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000
FOUS52 KCHS 181702
PFMCHS

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
102 PM EDT THU SEP 18 2014

SCZ050-182100-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N  80.03W ELEV. 45 FT
102 PM EDT THU SEP 18 2014

DATE             THU 09/18/14            FRI 09/19/14            SAT 09/20/14
EDT 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      87          68          82          66          81
TEMP                   86 85 77 73 70 68 69 79 82 80 74 70 68 67 68 77 81 79 73
DEWPT                  70 70 70 67 67 67 67 66 66 66 66 66 66 66 66 66 66 67 67
RH                     59 61 79 81 90 97 93 64 58 62 76 87 93 97 93 69 60 67 81
WIND DIR               NE NE NE NE NE NE NE  E  E  E  E NE NE NE NE NE NE NE NE
WIND SPD                2  3  3  2  3  5  6  9 11 11  9  6  6  8  9 11 12 12  8
CLOUDS                 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     30          30          30          30          40
QPF 12HR                      0           0        0.14        0.16        0.30
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              C  C  C  S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  S
TSTMS                   C  C  C  S  S  S  S  C  C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX             91 90                   84 82                   83
MAX HEAT               91    91                84    84                83    83


DATE          SUN 09/21/14  MON 09/22/14  TUE 09/23/14  WED 09/24/14
EDT 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          66    83      67    85      65    81      64    80
TEMP          68 67 82 74   68 68 84 74   67 66 80 72   66 65 79 71
DEWPT         66 66 66 66   67 67 66 66   67 66 66 66   65 63 62 62
PWIND DIR         N    NW      SW     W      NW    NE      NE    NE
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    GN
AVG CLOUDS    B1 B1 SC SC   SC SC SC SC   SC SC SC SC   SC B1 B1 SC
POP 12HR         20    20      10    20      20    20      10    20
RAIN SHWRS     S  S  S  S          S  S    S  S  S  S          S  S
TSTMS          S  S  S  S          S  S    S  S  S  S          S  S

$$
GAZ118-182100-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N  81.20W ELEV. 50 FT
102 PM EDT THU SEP 18 2014

DATE             THU 09/18/14            FRI 09/19/14            SAT 09/20/14
EDT 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      87          68          83          67          82
TEMP                   86 85 76 72 71 69 69 78 83 81 75 71 69 68 68 77 82 81 75
DEWPT                  71 71 70 69 69 69 69 68 68 68 68 68 67 67 66 66 67 68 68
RH                     61 63 82 90 93100100 71 61 65 79 90 93 97 93 69 61 65 79
WIND DIR                N  N NE NE NE NE NE NE  E  E  E NE NE NE NE NE NE NE NE
WIND SPD                2  2  2  1  2  3  3  8 10 11  9  8  6  8  9 10 11 10  9
CLOUDS                 B1 B1 B1 SC B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     20          20          40          30          40
QPF 12HR                      0           0        0.14        0.09        0.27
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  S  S  S  S  S     S  C  C  C  C  C  C  C  C  C  C
TSTMS                   S  S  S  S  S  S     S  C  C  S  S  S  S  S  S  S  S
HEAT INDEX             91 90                   86 84                   85 84
MAX HEAT               91    91                86    86                85    85


DATE          SUN 09/21/14  MON 09/22/14  TUE 09/23/14  WED 09/24/14
EDT 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          66    83      67    86      65    82      65    81
TEMP          69 67 83 75   69 68 85 76   69 66 81 74   67 66 80 74
DEWPT         67 66 68 69   69 68 67 69   69 66 67 68   66 64 64 65
PWIND DIR        NE    NE      SW     W      NW    NE      NE    NE
WIND CHAR        LT    LT      LT    LT      LT    GN      LT    GN
AVG CLOUDS    B1 B1 B1 SC   SC SC SC SC   SC SC SC B1   SC B1 B1 B1
POP 12HR         10    20      10    20      20    30      10    20
RAIN SHWRS           S  S          S  S    S  S  C  C          S  S
TSTMS                S  S          S  S    S  S  C  C          S  S

$$
SCZ050-182100-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N  79.94W ELEV. 10 FT
102 PM EDT THU SEP 18 2014

DATE             THU 09/18/14            FRI 09/19/14            SAT 09/20/14
EDT 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      84          70          80          69          79
TEMP                   83 83 78 75 73 71 71 78 80 79 75 73 71 69 70 77 79 79 74
DEWPT                  70 71 70 68 68 68 67 67 67 67 67 67 67 67 67 67 68 68 68
RH                     65 67 76 79 84 90 87 69 65 67 76 81 87 93 90 71 69 69 82
WIND DIR               NE NE NE NE  E NE NE  E  E  E  E  E NE NE NE NE NE NE NE
WIND SPD                4  4  5  3  5  8 10 11 13 16 11 10 10 10 11 12 14 16 11
CLOUDS                 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     30          30          40          40          40
QPF 12HR                      0           0        0.16        0.23        0.34
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  C  C  S  C  C  S  C  C  C  C  C  C  C  C  C  C  C  S
TSTMS                   S  C  C  S  C  C  S  C  C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX             87 88                   82
MAX HEAT               87    88                82    82


DATE          SUN 09/21/14  MON 09/22/14  TUE 09/23/14  WED 09/24/14
EDT 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          67    81      69    83      68    79      69    79
TEMP          70 68 81 76   71 71 82 76   71 69 79 74   70 69 78 74
DEWPT         68 68 68 68   68 68 68 68   69 68 67 66   66 65 64 63
PWIND DIR        NE    NE      SW    SW      NW    NE      NE    NE
WIND CHAR        GN    LT      LT    LT      LT    GN      GN    GN
AVG CLOUDS    B1 B1 B1 SC   SC SC SC SC   SC SC SC SC   SC B1 B1 SC
POP 12HR         20    20      10    20      20    30      20    20
RAIN SHWRS     S  S  S  S          S  S    S  S  C  C    S  S  S  S
TSTMS          S  S  S  S          S  S    S  S  C  C    S  S  S  S

$$
SCZ048-182100-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N  80.72W ELEV. 37 FT
102 PM EDT THU SEP 18 2014

DATE             THU 09/18/14            FRI 09/19/14            SAT 09/20/14
EDT 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      86          69          82          67          81
TEMP                   85 84 77 74 71 70 69 79 82 80 75 72 70 68 69 77 81 80 75
DEWPT                  70 71 70 69 69 68 68 68 67 68 68 67 67 67 67 68 68 68 68
RH                     61 65 79 84 93 93 97 69 61 67 79 84 90 97 93 74 65 67 79
WIND DIR               NE NE NE NE NE NE NE  E  E  E  E NE NE NE NE NE NE NE NE
WIND SPD                2  3  3  2  2  3  5  9 11 12 10  9  8  8  9 11 12 10  9
CLOUDS                 B1 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     30          30          40          30          40
QPF 12HR                      0           0        0.13        0.10        0.30
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              C  C  C  S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  S
TSTMS                   C  C  C  S  S  S  S  C  C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX             90 89                   85 83                   84 83
MAX HEAT               90    90                85    85                84    84


DATE          SUN 09/21/14  MON 09/22/14  TUE 09/23/14  WED 09/24/14
EDT 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          66    82      67    85      66    81      65    80
TEMP          70 67 82 75   70 69 84 76   69 67 80 74   68 67 79 74
DEWPT         67 66 68 69   69 68 68 69   69 67 67 67   66 65 64 63
PWIND DIR        NE    NE      SW     W      NW    NE      NE    NE
WIND CHAR        GN    LT      LT    LT      LT    GN      LT    GN
AVG CLOUDS    B1 B1 B1 SC   SC SC SC SC   SC SC SC SC   SC B1 B1 B1
POP 12HR         20    20      10    20      20    20      10    20
RAIN SHWRS     S  S  S  S          S  S    S  S  S  S          S  S
TSTMS          S  S  S  S          S  S    S  S  S  S          S  S

$$
SCZ043-182100-
WALTERBORO-INLAND COLLETON SC
32.91N  80.67W ELEV. 98 FT
102 PM EDT THU SEP 18 2014

DATE             THU 09/18/14            FRI 09/19/14            SAT 09/20/14
EDT 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      87          65          82          64          81
TEMP                   85 85 76 69 68 66 66 77 82 80 73 69 66 65 66 75 81 80 73
DEWPT                  69 67 69 67 67 66 66 66 66 66 66 65 65 64 64 64 65 66 66
RH                     59 55 79 93 97100100 69 58 62 79 87 97 97 93 69 58 62 79
WIND DIR               NE NE NE NE NE NE NE NE  E  E  E NE NE NE NE NE NE NE NE
WIND SPD                2  3  3  2  2  3  4  8  9 10  6  5  5  6  8 10 11 10  5
CLOUDS                 B1 B1 B1 SC B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     30          20          30          20          20
QPF 12HR                      0           0        0.09           0        0.20
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  C  S     S  S     S  C  S  S  S  S  S  S  S  S  S
TSTMS                   S  C  S     S  S     S  C  S  S  S  S  S  S  S  S  S
HEAT INDEX             89 88                   84 82                   83 82
MAX HEAT               89    90                84    84                83    83


DATE          SUN 09/21/14  MON 09/22/14  TUE 09/23/14  WED 09/24/14
EDT 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          64    83      65    86      63    81      61    80
TEMP          67 65 82 74   67 67 85 75   66 64 81 71   63 63 79 71
DEWPT         66 64 66 67   67 66 66 67   66 64 65 64   63 60 61 61
PWIND DIR        NE    NE      SW     W      NE    NE      NE    NE
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 SC SC SC   SC SC SC SC   SC SC SC SC   SC B1 SC SC
POP 12HR         10    10      10    20      10    20      10    10
RAIN SHWRS                         S  S          S  S
TSTMS                              S  S          S  S

$$
GAZ099-182100-
METTER-CANDLER GA
32.40N  82.06W ELEV. 197 FT
102 PM EDT THU SEP 18 2014

DATE             THU 09/18/14            FRI 09/19/14            SAT 09/20/14
EDT 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      87          67          85          66          83
TEMP                   85 86 78 72 69 68 68 79 84 83 76 71 68 67 67 76 82 82 75
DEWPT                  71 67 68 68 68 68 67 67 67 67 68 67 65 65 65 64 64 66 67
RH                     63 53 71 87 97100 97 67 57 59 76 87 90 93 93 66 55 58 76
WIND DIR               NE NE NE NE  E NE NE NE  E  E  E NE NE NE NE NE NE NE NE
WIND SPD                4  4  5  3  3  2  4  6  8 10  8  5  5  6  9 10 11 10  6
CLOUDS                 B2 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1
POP 12HR                     10          10          30          20          20
QPF 12HR                      0           0        0.09           0        0.06
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                          S        S  C  S  S  S  S  S  S  S  S  S
TSTMS                               S        S  C  S  S  S  S  S  S  S  S  S
HEAT INDEX             90 89                   87 86                   83 84
MAX HEAT               90    91                87    88                83    85


DATE          SUN 09/21/14  MON 09/22/14  TUE 09/23/14  WED 09/24/14
EDT 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          65    85      66    87      64    82      63    82
TEMP          67 66 83 76   68 67 85 76   67 65 81 73   66 64 80 74
DEWPT         65 65 66 68   67 67 66 68   67 65 64 66   65 62 61 63
PWIND DIR        NE    NE      SW     W       N    NE      NE    NE
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         10    10      10    20      10    20      10    10
RAIN SHWRS                         S  S          S  S
TSTMS                              S  S          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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