Point Forecast Matrices
Issued by NWS Charleston, SC

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10
000
FOUS52 KCHS 171627
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
1226 PM EDT Thu Aug 17 2017

SCZ050-172100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1226 PM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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                      96          78          94          78          93
Temp                   96 93 85 82 80 79 80 89 93 91 84 80 79 79 79 88 91 89 84
Dewpt                  77 77 77 77 77 77 77 77 76 76 77 77 76 76 76 76 75 76 77
RH                     55 60 77 85 91 94 91 68 58 62 80 91 91 91 91 68 60 66 80
Wind dir               SW  S  S  S SW SW SW SW SW  S  S SW SW SW SW SW SW SW  S
Wind spd                5  8  5  4  4  3  4  6  9 12  8  8  6  3  3  8 10 10  6
Clouds                 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B2 B1 B1
PoP 12hr                     30          20          50          20          50
QPF 12hr                   0.10        0.02        0.22           0        0.37
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S              S  C  C  S  S  S  S  S  S  C  C  C
Tstms                   C  C  S              S  C  C  S  S  S  S  S  S  C  C  C
Heat index            111107 96 90         102106103 94             99102100 94
Max heat              111   111    92         106   106    90         102   103
Heat                    Y  Y


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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          77    93      77    92      76    92      76    92
Temp          80 79 90 84   79 79 90 84   79 79 90 84   80 79 90 84
Dewpt         76 76 76 76   76 75 75 76   75 75 75 75   75 75 75 76
PWind dir        SW     S       S     S       S     S      SW    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   SC SC B1 B1   SC SC B1 B1
PoP 12hr         30    50      20    40      20    30      20    30
Rain shwrs     C  C  C  C    S  S  C  C    S  S  C  C    S  S  C  C
Tstms          C  C  C  C    S  S  C  C    S  S  C  C    S  S  C  C

$$
GAZ118-172100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1226 PM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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                      97          78          95          77          94
Temp                   97 93 86 82 79 78 79 89 93 92 85 81 80 77 78 88 92 90 84
Dewpt                  75 75 76 76 76 74 76 76 74 74 75 75 75 75 75 75 74 75 77
RH                     50 56 72 82 91 88 91 66 54 56 72 82 85 94 91 66 56 62 80
Wind dir                W  S  S  S SW SW  W  W SW SW  S  S SW SW SW SW SW  S  S
Wind spd                5  5  5  4  3  3  3  5  6  9  5  5  4  3  2  6  8  8  6
Clouds                 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC SC B1 B1 B2 B2 B1
PoP 12hr                     30          20          40          20          50
QPF 12hr                   0.07        0.02        0.23           0        0.31
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S              S  C  C  S  S  S  S  S  S  C  C  C
Tstms                   C  C  S              S  C  C  S  S  S  S  S  S  C  C  C
Heat index            110105 96            100103102 94             98102101 94
Max heat              110   108    93         105   105    90         102   102
Heat                    Y  Y


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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          76    94      76    92      75    92      75    92
Temp          79 79 91 85   79 79 91 84   79 79 92 85   80 79 92 85
Dewpt         76 75 75 76   75 75 75 75   75 75 74 75   74 74 75 75
PWind dir         S     S       S     S       S     S      SW    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   B1 SC SC B1   SC SC SC B1
PoP 12hr         30    40      20    40      20    30      20    30
Rain shwrs     C  C  C  C    S  S  C  C    S  S  C  C    S  S  C  C
Tstms          C  C  C  C    S  S  C  C    S  S  C  C    S  S  C  C

$$
SCZ050-172100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1226 PM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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                      94          80          91          80          91
Temp                   94 91 85 82 81 80 81 89 91 90 83 82 81 80 80 87 90 88 84
Dewpt                  78 77 78 78 78 78 78 77 77 77 78 77 77 77 77 76 76 77 77
RH                     60 64 80 88 91 94 91 68 64 66 85 85 88 91 91 70 64 70 80
Wind dir               SW  S  S SW SW SW SW SW SW  S  S SW SW SW SW SW SW  S  S
Wind spd                6 10  9  8  8  6  6  8 11 14 11 11 10  6  6 10 12 13 10
Clouds                 SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     30          20          40          20          50
QPF 12hr                   0.05        0.01        0.16           0        0.31
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S        S     S  C  C  S  S  S  S  S  S  C  C  C
Tstms                   C  C  S        S     S  C  C  S  S  S  S  S  S  C  C  C
Heat index            109104 97 91         101104103 93 90          97101100 94
Max heat              109   109    95         105   105    91         102   102
Heat                    Y  Y


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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          79    90      79    89      78    90      78    90
Temp          80 80 88 84   80 80 88 83   80 80 89 84   80 80 89 84
Dewpt         77 76 77 77   76 76 75 76   76 76 75 76   76 75 76 76
PWind dir        SW     S       S     S       S     S      SW    SW
Wind char        GN    LT      LT    LT      LT    LT      GN    GN
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC B1   SC SC B1 B1
PoP 12hr         40    40      20    30      20    30      20    30
Rain shwrs     C  C  C  C    S  S  C  C    S  S  C  C    S  S  C  C
Tstms          C  C  C  C    S  S  C  C    S  S  C  C    S  S  C  C

$$
SCZ048-172100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1226 PM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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                      95          78          94          78          93
Temp                   95 92 85 81 80 79 80 88 92 90 84 81 80 79 79 87 91 89 84
Dewpt                  77 76 77 77 77 76 76 76 76 77 77 77 76 75 76 76 75 76 77
RH                     56 60 77 88 91 91 88 68 60 66 80 88 88 88 91 70 60 66 80
Wind dir               SW  S  S  S SW SW  W  W SW SW  S  S SW SW SW SW SW  S  S
Wind spd                5  6  5  4  4  4  3  5  8 10  6  6  6  2  2  6  9  9  6
Clouds                 B1 B1 B1 SC B1 B1 SC SC B1 B1 B1 SC SC SC B1 B1 B1 B1 B1
PoP 12hr                     30          20          50          20          50
QPF 12hr                   0.05        0.02        0.22           0        0.33
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S              S  C  C  S  S  S  S  S  S  C  C  C
Tstms                   C  C  S              S  C  C  S  S  S  S  S  S  C  C  C
Heat index            110105 96             99105103 94             98102100 94
Max heat              110   110    92         105   105    90         102   102
Heat                    Y  Y


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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          77    93      77    92      76    91      75    91
Temp          80 79 91 85   80 79 90 84   79 79 91 84   79 79 91 84
Dewpt         76 76 76 76   76 76 75 75   75 75 74 75   75 74 75 75
PWind dir        SW     S       S     S       S     S      SW    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 B1 B1 B1   B1 SC SC B1   SC SC SC B1
PoP 12hr         30    40      20    40      20    30      20    30
Rain shwrs     C  C  C  C    S  S  C  C    S  S  C  C    S  S  C  C
Tstms          C  C  C  C    S  S  C  C    S  S  C  C    S  S  C  C

$$
SCZ043-172100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1226 PM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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                      96          76          95          76          94
Temp                   96 93 85 81 79 77 79 88 93 92 85 80 79 77 78 87 91 90 84
Dewpt                  75 75 77 76 76 75 76 76 73 74 76 76 76 74 74 75 73 74 76
RH                     51 56 77 85 91 94 91 68 52 56 75 88 91 90 88 68 56 60 77
Wind dir                W SW  S  S  S SW SW SW SW SW  S  S SW SW SW SW SW SW  S
Wind spd                4  4  4  4  3  2  3  5  6  9  5  4  4  1  1  5  8  6  3
Clouds                 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC SC B1 B1 B2 B2 B1
PoP 12hr                     30          20          30          20          50
QPF 12hr                   0.09        0.01        0.15           0        0.34
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S              S  S  C  S  S  S  S  S  S  C  C  C
Tstms                   C  C  S              S  S  C  S  S  S  S  S  S  C  C  C
Heat index            108105 96             99102102 94             96100 99 93
Max heat              109   108    92         102   103    91         100   102
Heat                    Y  Y


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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          75    93      75    92      75    92      74    92
Temp          78 78 92 84   78 78 91 83   78 78 92 84   78 78 92 84
Dewpt         75 75 74 75   75 75 74 75   75 74 73 74   74 74 73 75
PWind dir        SW     S       S     S       S     S      SW    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B2   B1 SC B1 B1   B1 SC B1 B1   B1 SC SC B1
PoP 12hr         30    50      20    40      20    40      20    40
Rain shwrs     C  C  C  C    S  S  C  C    S  S  C  C    S  S  C  C
Tstms          C  C  C  C    S  S  C  C    S  S  C  C    S  S  C  C

$$
GAZ099-172100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1226 PM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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                      96          77          95          75          94
Temp                   96 93 87 82 80 78 78 88 93 92 86 80 78 77 77 86 91 91 84
Dewpt                  75 75 76 76 76 75 75 76 74 73 75 75 75 75 75 75 74 73 75
RH                     51 56 70 82 88 91 91 68 54 54 70 85 91 94 94 70 58 56 74
Wind dir                W  W SW SW  W  W  W  W  W SW SW SW SW SW  W  W  W  W SW
Wind spd                4  5  3  3  3  2  2  5  6  8  4  4  3  1  1  5  6  6  2
Clouds                 SC SC B1 SC SC SC SC SC B1 B1 B1 SC SC SC B1 B1 B2 B1 B1
PoP 12hr                     30          20          30          20          50
QPF 12hr                   0.04           0        0.13           0        0.18
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  S                 S  C  S  S  S  S  S  S  C  C  S
Tstms                   C  C  S                 S  C  S  S  S  S  S  S  C  C  S
Heat index            108105 98             99103101 95             95101100 92
Max heat              108   108    94         103   103    91         101   101
Heat                    Y  Y


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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          74    94      74    93      74    93      75    93
Temp          78 78 92 84   78 78 92 84   78 78 91 84   79 78 92 84
Dewpt         75 75 74 76   75 75 74 75   74 74 73 75   74 74 73 75
PWind dir         S     S       S    SE       S     S       S     W
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B1 SC B1 B1   B1 SC B1 B1   SC SC SC B1
PoP 12hr         20    40      20    40      20    40      20    40
Rain shwrs     S  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C
Tstms          S  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C

$$

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

$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.