Point Forecast Matrices
Issued by NWS Charleston, SC

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000
FOUS52 KCHS 210104
PFMCHS

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
904 PM EDT WED AUG 20 2014

SCZ050-210930-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N  80.03W ELEV. 45 FT
904 PM EDT WED AUG 20 2014

DATE           08/20/14      THU 08/21/14            FRI 08/22/14            SAT
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                      75          98          77          98          77
TEMP                83 78 77 78 91 97 96 86 80 78 77 79 91 97 96 86 80 79 77 79
DEWPT               73 75 77 76 74 74 74 75 75 75 75 76 75 73 73 75 75 75 74 75
RH                  72 91100 94 58 48 49 70 85 91 94 91 60 46 48 70 85 88 90 88
WIND DIR             S  S SW  W  W SW  S  S  S SW SW  W  W  W SW  S SW SW  W NW
WIND SPD             3  1  0  0  4  5  6  5  5  4  4  3  5  6  6  6  6  5  4  3
CLOUDS              SC FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      0          20          10          20          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                             S                    S  S  S  S  S  S  S
TSTMS                                  S                    S  S  S  S  S  S  S
HEAT INDEX          89         101109107 95 85         102107106 95 85
MAX HEAT               91         109   109    90         107   109    90
HEAT                                Y  Y


DATE           08/23  SUN 08/24/14  MON 08/25/14  TUE 08/26/14  WED 08/27/14
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          94      75    90      73    88      72    89      71    89
TEMP          94 84   77 77 90 79   75 75 88 80   74 74 89 79   74 74 89 79
DEWPT         74 75   75 75 74 74   72 73 72 72   71 71 70 71   71 72 70 72
PWIND DIR        NW       E     E      NE     E      NE     E       E     E
WIND CHAR        LT      LT    LT      LT    GN      LT    GN      LT    LT
AVG CLOUDS    SC B1   B1 SC B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         20      20    40      20    20      10    20      10    10
RAIN SHWRS     S  S    S  S  C  C    S  S  S  S          S  S
TSTMS          S  S    S  S  C  C    S  S  S  S          S  S

$$
GAZ118-210930-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N  81.20W ELEV. 50 FT
904 PM EDT WED AUG 20 2014

DATE           08/20/14      THU 08/21/14            FRI 08/22/14            SAT
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                      75          99          75         100          77
TEMP                83 78 77 77 92 98 98 88 81 78 76 78 91 99 98 88 82 80 77 78
DEWPT               74 74 74 74 74 74 74 75 75 75 75 75 75 73 73 75 76 75 74 74
RH                  74 88 90 90 56 47 47 66 82 91 97 91 60 44 45 66 82 85 90 88
WIND DIR            SW SW  W  W  W  W  S SE  S SW SW SW  W  W SW  S  S SW  W  W
WIND SPD             1  0  0  0  3  3  3  4  4  3  3  3  5  4  2  5  5  3  3  4
CLOUDS              B1 SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     10          20          10          20          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                             S                    S  S  S  S  S  S  S
TSTMS                                  S                    S  S  S  S  S  S  S
HEAT INDEX          90         102110110 98 87         102110109 98 89 85
MAX HEAT               93         110   111    94         110   110    94
HEAT                                Y  Y


DATE           08/23  SUN 08/24/14  MON 08/25/14  TUE 08/26/14  WED 08/27/14
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          95      76    93      75    90      74    90      73    89
TEMP          95 85   79 78 93 83   77 76 89 82   76 75 90 82   75 75 89 81
DEWPT         72 76   76 76 74 76   74 75 74 74   72 73 71 73   72 72 72 73
PWIND DIR         W      NW    NE       E     E       E     E       E     E
WIND CHAR        LT      LT    LT      LT    GN      LT    GN      LT    LT
AVG CLOUDS    SC SC   B1 SC B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         20      20    40      30    30      20    20      10    10
RAIN SHWRS     S  S    S  S  C  C    C  C  C  C    S  S  S  S
TSTMS          S  S    S  S  C  C    C  C  C  C    S  S  S  S

$$
SCZ050-210930-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N  79.94W ELEV. 10 FT
904 PM EDT WED AUG 20 2014

DATE           08/20/14      THU 08/21/14            FRI 08/22/14            SAT
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                      79          95          79          96          78
TEMP                84 81 81 80 90 94 93 86 82 81 79 81 90 95 94 86 83 81 79 79
DEWPT               77 77 78 76 75 75 75 76 76 76 76 76 76 74 75 77 77 76 75 75
RH                  80 88 91 88 62 54 56 72 82 85 91 85 64 51 54 75 82 85 88 88
WIND DIR            SW SW SW  W SW SW  S  S  S SW SW  W  W SW SW SW SW SW  W  W
WIND SPD             9  6  3  2  4  6  9  6  6  6  5  5  5  6 10  9  9  8  5  4
CLOUDS              SC FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      0          20          10          20          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                             S                    S  S  S  S  S  S  S
TSTMS                                  S                    S  S  S  S  S  S  S
HEAT INDEX          94 88 89 86101106105 96 89 87    87102106106 97 92 87
MAX HEAT               94    89   106   107    94    87   106   106    94    86
HEAT                                Y  Y


DATE           08/23  SUN 08/24/14  MON 08/25/14  TUE 08/26/14  WED 08/27/14
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          91      78    89      76    87      75    88      74    86
TEMP          91 84   80 79 88 81   78 77 87 81   77 76 87 81   76 75 86 80
DEWPT         74 76   75 76 74 74   73 73 72 72   71 72 70 71   72 72 71 72
PWIND DIR         W       N     E       E     E       E     E       E     E
WIND CHAR        LT      LT    GN      GN    GN      GN    GN      LT    LT
AVG CLOUDS    SC B1   SC SC B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         20      20    40      20    20      10    20      10    10
RAIN SHWRS     S  S    S  S  C  C    S  S  S  S          S  S
TSTMS          S  S    S  S  C  C    S  S  S  S          S  S

$$
SCZ048-210930-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N  80.72W ELEV. 37 FT
904 PM EDT WED AUG 20 2014

DATE           08/20/14      THU 08/21/14            FRI 08/22/14            SAT
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                      77          99          77          99          78
TEMP                83 80 79 79 91 97 97 88 82 79 78 80 92 98 96 88 84 82 79 80
DEWPT               74 75 77 75 75 75 75 76 76 76 76 76 75 74 74 76 77 75 74 75
RH                  74 85 94 88 60 50 50 68 82 91 94 88 58 47 49 68 80 79 85 85
WIND DIR             S  S SW  W  W SW  S SE  S SW SW SW  W  W SW  S SW SW  W  W
WIND SPD             2  1  0  0  3  4  4  4  4  4  4  3  4  5  3  5  5  4  4  4
CLOUDS              SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      0          20          10          20          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                             S                    S  S  S  S  S  S  S
TSTMS                                  S                    S  S  S  S  S  S  S
HEAT INDEX          90 85      102110110 99 89       86103110107 99 94 89    85
MAX HEAT               93         110   111    94    86   110   110    97    87
HEAT                                Y  Y


DATE           08/23  SUN 08/24/14  MON 08/25/14  TUE 08/26/14  WED 08/27/14
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          94      77    91      75    89      74    89      73    89
TEMP          94 85   80 79 90 82   77 76 88 82   76 75 89 82   76 75 88 81
DEWPT         73 75   76 76 75 76   74 75 74 74   72 72 71 72   72 72 72 72
PWIND DIR         W       N     E       E     E      NE     E       E     E
WIND CHAR        LT      LT    LT      LT    GN      LT    GN      LT    LT
AVG CLOUDS    SC SC   SC SC B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         20      20    40      20    30      10    20      10    10
RAIN SHWRS     S  S    S  S  C  C    S  S  C  C          S  S
TSTMS          S  S    S  S  C  C    S  S  C  C          S  S

$$
SCZ043-210930-
WALTERBORO-INLAND COLLETON SC
32.91N  80.67W ELEV. 98 FT
904 PM EDT WED AUG 20 2014

DATE           08/20/14      THU 08/21/14            FRI 08/22/14            SAT
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                      73          99          75          99          75
TEMP                80 76 75 76 91 98 98 88 80 77 75 78 92 98 98 87 81 78 76 78
DEWPT               73 74 75 74 74 73 72 73 74 74 74 74 75 72 70 72 73 73 72 73
RH                  79 94100 94 58 45 43 61 82 90 97 88 58 43 41 61 77 85 87 85
WIND DIR             S  S SW  W  W  W  W SE  S SW SW SW  W  W  W SW SW SW  W NW
WIND SPD             1  0  0  0  3  4  3  2  3  3  3  2  4  6  5  2  2  2  2  2
CLOUDS              B1 SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      0          20          10          20          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                             S                    S  S  S  S  S  S  S
TSTMS                                  S                    S  S  S  S  S  S  S
HEAT INDEX          84         101109107 96 84         103107105 94 86
MAX HEAT               88         109   110    92         107   108    92
HEAT                                Y  Y


DATE           08/23  SUN 08/24/14  MON 08/25/14  TUE 08/26/14  WED 08/27/14
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          96      73    92      72    89      71    90      70    90
TEMP          96 85   77 75 91 80   74 74 89 80   73 73 90 81   73 72 89 80
DEWPT         73 74   74 74 74 75   73 73 72 72   70 71 70 71   70 71 70 71
PWIND DIR        NW      NE    NE       E     E      NE     E       E     E
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC B1   SC B1 B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         20      20    40      20    30      10    20      10    10
RAIN SHWRS     S  S    S  S  C  C    S  S  C  C          S  S
TSTMS          S  S    S  S  C  C    S  S  C  C          S  S

$$
GAZ099-210930-
METTER-CANDLER GA
32.40N  82.06W ELEV. 197 FT
904 PM EDT WED AUG 20 2014

DATE           08/20/14      THU 08/21/14            FRI 08/22/14            SAT
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                      75         100          75         101          76
TEMP                80 77 76 77 91 98100 89 82 78 76 77 91 99100 90 82 79 77 78
DEWPT               72 72 72 73 74 71 70 73 74 74 74 75 75 71 69 72 73 73 72 74
RH                  77 85 87 87 58 42 38 59 77 88 94 94 60 41 37 56 74 82 85 88
WIND DIR             W SW  W  W NW NW NW  N  W SW SW  W  W NW NW  W  W  W  W  W
WIND SPD             1  0  0  0  3  4  4  1  1  3  2  2  4  5  5  2  2  2  3  3
CLOUDS              B2 SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      5          20          10          20          10
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          84         101106108 97 88         102108107 97 87
MAX HEAT               87         106   108    94         108   108    94
HEAT                                Y  Y


DATE           08/23  SUN 08/24/14  MON 08/25/14  TUE 08/26/14  WED 08/27/14
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          98      75    95      74    92      73    93      72    91
TEMP          97 87   78 77 95 85   76 75 90 83   76 75 92 84   73 73 91 82
DEWPT         70 73   74 74 73 75   73 74 73 73   72 72 70 71   70 71 68 71
PWIND DIR        NW      NW    NE       E     E       E     E       E     E
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC B1   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
POP 12HR         20      20    40      20    30      10    20      10    10
RAIN SHWRS     S  S    S  S  C  C    S  S  C  C          S  S
TSTMS          S  S    S  S  C  C    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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