Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 202202
PFMCHS

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
602 PM EDT SUN APR 20 2014

SCZ050-210930-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N  80.03W ELEV. 45 FT
602 PM EDT SUN APR 20 2014

DATE           04/20/14      MON 04/21/14            TUE 04/22/14            WED
EDT 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      49          76          52          83          57
TEMP             62 58 54 50 51 62 72 75 67 60 56 53 56 74 82 81 70 64 61 59 59
DEWPT            53 51 48 45 44 45 48 48 50 51 51 51 53 54 54 55 57 58 58 56 55
RH               72 77 80 83 77 54 42 38 54 72 83 93 90 50 38 41 63 81 90 90 87
WIND DIR          N  N  N  N  N  N  N  N  N  W  W  W  W  W  W SW SW  W  W  N  N
WIND SPD         13 13 12 11 10 12 10  9  3  2  1  2  3  9 12 14 10  8  9  8 11
CLOUDS           B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC B1 B2 B1 SC SC SC
POP 12HR                     10           5           5          20          30
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S  C  C
TSTMS                                                       S  S  S  S
HEAT INDEX                                                    81
MAX HEAT                                                   81    81


DATE           04/23  THU 04/24/14  FRI 04/25/14  SAT 04/26/14  SUN 04/27/14
EDT 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          77      56    79      58    81      61    82      61    85
TEMP          76 67   58 59 78 68   61 62 80 70   64 63 81 71   64 63 84 72
DEWPT         51 51   55 53 54 56   59 60 60 60   61 61 61 61   61 60 60 61
PWIND DIR        NE      NE    SE       S     S      SW    SW       W     W
WIND CHAR        GN      LT    LT      LT    LT      GN    GN      GN    LT
AVG CLOUDS    FW FW   FW FW FW FW   FW FW SC SC   SC SC SC SC   SC FW SC SC
POP 12HR          0       0     5       0    20      10    20      10    10
RAIN SHWRS                                    S             S
TSTMS                                         S             S

$$
GAZ118-210930-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N  81.20W ELEV. 50 FT
602 PM EDT SUN APR 20 2014

DATE           04/20/14      MON 04/21/14            TUE 04/22/14            WED
EDT 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      48          76          51          82          60
TEMP             65 60 57 50 52 63 72 75 68 59 55 52 55 74 81 81 73 67 63 61 62
DEWPT            53 53 52 49 46 45 46 47 50 52 51 51 52 54 55 55 58 59 60 58 58
RH               65 78 83 96 80 52 39 37 52 78 86 96 90 50 41 41 59 75 90 90 87
WIND DIR          N  N  N  N  N  N  N  N  E NW SW  W  W  W  W  W  W  W  W NW  N
WIND SPD          9  8  8  8  8 11  9  8  3  1  1  1  3  9 11 12  6  5  5  4  6
CLOUDS           B2 B2 B2 B1 B1 SC SC FW SC SC SC SC SC SC SC B1 B2 B1 SC SC SC
POP 12HR                      5           0           5          20          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S  S  S
TSTMS                                                       S  S  S  S
HEAT INDEX                                                 81 81
MAX HEAT                                                   81    81


DATE           04/23  THU 04/24/14  FRI 04/25/14  SAT 04/26/14  SUN 04/27/14
EDT 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          79      58    80      61    82      62    83      62    86
TEMP          78 71   61 60 79 72   63 62 81 74   64 64 82 74   65 64 84 75
DEWPT         57 57   58 58 58 60   61 61 60 61   62 61 61 62   62 60 61 62
PWIND DIR        NE       E     E      SE     S      SW    SW       W     W
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC FW   FW FW FW FW   FW SC SC SC   SC SC SC SC   SC FW SC SC
POP 12HR          5       0     5       0    20      10    20      10    10
RAIN SHWRS                                    S             S
TSTMS                                         S             S

$$
SCZ050-210930-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N  79.94W ELEV. 10 FT
602 PM EDT SUN APR 20 2014

DATE           04/20/14      MON 04/21/14            TUE 04/22/14            WED
EDT 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      50          73          55          78          60
TEMP             62 59 55 51 54 62 69 72 68 63 60 57 58 73 78 77 69 67 64 61 60
DEWPT            54 52 49 47 45 46 49 50 51 52 52 52 53 54 55 56 58 59 58 57 55
RH               75 78 80 86 71 56 49 46 54 67 75 83 83 51 45 48 68 75 81 87 84
WIND DIR          N  N  N  N  N  N  N NE  N NW  W  W  W  W SW SW SW  W  W  N  N
WIND SPD         18 19 16 13 12 13 10  5  3  1  2  3  4  8 12 14 10  9  8  9 11
CLOUDS           OV B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC B1 B2 B1 SC SC SC
POP 12HR                     10           5           5          10          30
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                        C  C
TSTMS                                                             S  S


DATE           04/23  THU 04/24/14  FRI 04/25/14  SAT 04/26/14  SUN 04/27/14
EDT 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          73      58    77      60    78      63    79      63    81
TEMP          73 66   60 60 76 68   63 62 78 71   66 64 79 71   66 64 81 72
DEWPT         52 52   56 54 54 57   60 60 61 61   62 61 62 61   61 60 61 61
PWIND DIR        NE       E     E       S     S      SW    SW       W     W
WIND CHAR        GN      LT    GN      LT    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW   FW FW FW FW   FW FW SC SC   SC SC SC SC   SC FW SC SC
POP 12HR          5       0     5       0    10      10    20      10    10
RAIN SHWRS                                    S             S
TSTMS                                         S             S

$$
SCZ048-210930-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N  80.72W ELEV. 37 FT
602 PM EDT SUN APR 20 2014

DATE           04/20/14      MON 04/21/14            TUE 04/22/14            WED
EDT 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      49          76          53          82          60
TEMP             63 60 57 51 52 63 72 75 69 62 58 54 57 75 81 81 74 69 65 62 61
DEWPT            53 53 50 47 46 46 47 48 52 52 52 51 53 55 56 58 59 60 59 57 57
RH               70 78 77 86 80 54 41 38 55 70 80 90 86 50 42 46 59 73 81 84 87
WIND DIR          N  N  N  N  N  N  N  N  W  W  W  W  W  W  W SW SW SW  W NW  N
WIND SPD         11 12 11 10 10 11  9  6  2  2  1  1  3  9 11 11  8  6  6  4  6
CLOUDS           B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC B1 B2 B1 SC SC SC
POP 12HR                     10           0           5          20          30
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S  C  C
TSTMS                                                       S  S  S  S
HEAT INDEX                                                 81 81
MAX HEAT                                                   81    82


DATE           04/23  THU 04/24/14  FRI 04/25/14  SAT 04/26/14  SUN 04/27/14
EDT 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          78      58    79      60    81      62    82      62    84
TEMP          77 70   61 61 78 71   63 63 80 73   66 63 81 72   65 63 83 74
DEWPT         54 55   57 57 57 59   61 61 61 62   62 61 62 62   62 61 62 63
PWIND DIR        NE      NE     E      SE     S       S    SW       W     W
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC FW   FW FW FW FW   FW SC SC SC   SC SC SC SC   SC FW SC SC
POP 12HR          5       0     5       0    20      10    20      10    10
RAIN SHWRS                                    S             S
TSTMS                                         S             S

$$
SCZ043-210930-
WALTERBORO-INLAND COLLETON SC
32.91N  80.67W ELEV. 98 FT
602 PM EDT SUN APR 20 2014

DATE           04/20/14      MON 04/21/14            TUE 04/22/14            WED
EDT 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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          77          50          83          58
TEMP             61 59 55 47 49 62 72 75 67 58 53 50 54 73 82 81 72 65 61 59 59
DEWPT            51 51 47 44 43 43 45 45 49 51 50 50 52 54 54 56 57 58 57 55 55
RH               70 75 74 89 80 50 38 34 52 77 89100 93 51 38 42 59 78 87 87 87
WIND DIR          N  N  N  N  N  N  N  N NW  W SW SW  W  W  W  W  W  W  W  N  N
WIND SPD          9 10  9  9  9 10  9  6  1  2  1  1  2  8 12 12  9  6  5  5  8
CLOUDS           B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC B1 B2 B1 SC SC SC
POP 12HR                      5           0           5          20          30
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S  C  C
TSTMS                                                       S  S  S  S
HEAT INDEX                                                    81
MAX HEAT                                                   81    81


DATE           04/23  THU 04/24/14  FRI 04/25/14  SAT 04/26/14  SUN 04/27/14
EDT 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          78      55    81      57    82      60    83      60    86
TEMP          77 69   57 58 79 71   60 60 81 73   63 62 82 72   63 62 84 74
DEWPT         52 52   54 53 54 56   59 59 59 60   60 60 61 61   60 59 60 61
PWIND DIR        NE      NE    SE       S     S       S    SW       W     W
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC FW   FW FW FW FW   FW SC SC SC   SC SC SC SC   SC FW SC SC
POP 12HR          0       0     5       0    20      10    20      10    10
RAIN SHWRS                                    S             S
TSTMS                                         S             S

$$
GAZ099-210930-
METTER-CANDLER GA
32.40N  82.06W ELEV. 197 FT
602 PM EDT SUN APR 20 2014

DATE           04/20/14      MON 04/21/14            TUE 04/22/14            WED
EDT 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      47          78          53          83          59
TEMP             65 59 54 49 50 64 73 77 69 60 56 54 56 74 81 83 75 67 63 61 60
DEWPT            54 53 52 49 46 44 42 42 48 50 50 51 52 55 53 53 58 59 60 58 58
RH               68 80 93100 86 48 33 29 47 69 80 90 86 51 38 36 55 75 90 90 93
WIND DIR         NE NE  N  N  N  N  N  N NW  W  W  W  W  W  W  W  W  W  W NW  N
WIND SPD          6  6  5  6  6  8  5  4  1  1  1  2  3  8 10 12  5  5  4  4  3
CLOUDS           B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B1 SC SC SC
POP 12HR                      5           0           5          20          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S  S  S
TSTMS                                                       S  S  S  S


DATE           04/23  THU 04/24/14  FRI 04/25/14  SAT 04/26/14  SUN 04/27/14
EDT 6HRLY     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MAX/MIN          81      55    82      59    83      60    84      60    87
TEMP          78 73   58 57 80 74   61 61 81 75   63 62 81 75   63 62 84 77
DEWPT         56 57   56 56 57 59   59 59 58 60   61 61 59 61   60 58 61 63
PWIND DIR        NE       E    SE       S     S      SW    SW       W     W
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    FW FW   FW FW FW SC   SC SC SC SC   SC SC B1 SC   SC FW SC SC
POP 12HR          5       0     5       0    20      10    20      10    10
RAIN SHWRS                                    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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