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 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
000
FOUS52 KCHS 210418
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
1217 AM EDT Fri Jul 21 2017

SCZ050-220900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1217 AM EDT Fri Jul 21 2017

Date           07/20/17      Fri 07/21/17            Sat 07/22/17            Sun
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                      76          93          76          94          78
Temp                   77 76 79 90 93 92 86 81 78 77 79 89 94 92 86 82 80 79 81
Dewpt                  74 73 73 74 73 73 74 75 75 75 75 74 73 73 75 76 75 75 75
RH                     90 90 82 60 52 54 68 82 91 94 88 61 51 54 70 82 85 88 82
Wind dir               SW SW SW SW  S  S  S  S SW SW SW SW  S  S  S  S SW SW SW
Wind spd                3  3  2  4  6  9  9  5  3  4  4  5  8  9  9  8  5  4  6
Clouds                 SC SC FW FW SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW
PoP 12hr                      0          20          10          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S              S  S  S  S              C
Tstms                                  S              S  S  S  S              C
Heat index                      99102101 94             98103101 95
Max heat                          102   101    91         103   103    92


Date           07/23  Mon 07/24/17  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17
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          93      77    92      77    90      75    88      75    89
Temp          92 85   79 80 91 85   79 79 89 83   77 77 87 82   77 78 88 82
Dewpt         74 75   75 75 75 75   75 75 75 75   74 74 75 74   74 74 73 73
PWind dir        SW      SW    SW      SW    SW      SW     S      NE    NE
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC SC   SC SC B1 B2   B1 B1 B1 B2   B2 B1 B1 B1
PoP 12hr         30      20    30      20    40      40    40      40    40
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
GAZ118-220900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1217 AM EDT Fri Jul 21 2017

Date           07/20/17      Fri 07/21/17            Sat 07/22/17            Sun
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          94          76          94          77
Temp                   75 75 78 90 93 92 85 81 77 76 78 89 94 92 86 82 80 78 80
Dewpt                  73 73 74 74 72 72 73 74 74 73 73 74 72 72 74 74 74 73 74
RH                     94 94 88 60 51 52 67 79 90 90 85 61 49 52 68 77 82 85 82
Wind dir                S SW SW SW  S  S  S  S SW SW SW  W  S  S  S  S SW SW  W
Wind spd                1  0  0  3  5  8  8  5  3  3  4  4  6  6  8  5  5  4  6
Clouds                 FW FW FW FW SC SC FW FW FW FW SC SC SC SC SC FW FW FW FW
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  S              C
Tstms                                  S              S  S  S  S              C
Heat index                      99101100 92             98102100 94
Max heat                          102   102    90         102   102    91


Date           07/23  Mon 07/24/17  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17
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          93      76    93      76    92      75    89      74    90
Temp          92 85   79 79 92 85   79 79 91 84   78 78 88 82   76 77 89 83
Dewpt         73 74   74 74 74 74   74 74 75 74   74 73 74 74   74 73 72 72
PWind dir        SW      SW    SW      SW    SW      SW    SW       E    NE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC B1   B1 SC B1 B1   B2 B2 B1 B2   B2 B1 B1 B1
PoP 12hr         30      20    30      20    40      30    50      20    40
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    S  S  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    S  S  C  C

$$
SCZ050-220900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1217 AM EDT Fri Jul 21 2017

Date           07/20/17      Fri 07/21/17            Sat 07/22/17            Sun
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                      78          92          78          92          79
Temp                   78 78 80 90 92 90 84 81 79 78 80 88 92 90 86 83 81 80 81
Dewpt                  76 75 75 75 74 74 75 76 76 76 76 75 75 75 76 76 76 76 76
RH                     94 91 85 62 56 60 74 85 91 94 88 66 58 62 72 80 85 88 85
Wind dir               SW SW SW SW  S  S  S SW SW SW SW SW  S  S  S SW SW SW SW
Wind spd                6  5  3  5  9 11 10  8  5  5  5  5  9 11 11 10  9  6  8
Clouds                 SC SC FW FW SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW
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  S              S
Tstms                                  S              S  S  S  S              S
Heat index                      99102 99 92             98102101 96 91
Max heat                          102   102    90         102   102    93


Date           07/23  Mon 07/24/17  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17
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          92      78    91      78    89      77    88      76    88
Temp          91 85   80 80 90 85   80 80 88 83   79 79 87 82   78 78 87 82
Dewpt         75 76   76 75 75 76   76 75 76 76   75 74 75 74   74 74 74 75
PWind dir        SW      SW    SW      SW    SW      SW     S      NE    NE
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC SC   SC B1 B1 B1   B1 B2 B1 B2   B2 B1 B1 B1
PoP 12hr         20      20    30      20    30      40    40      40    40
Rain shwrs     S  S    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          S  S    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ048-220900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1217 AM EDT Fri Jul 21 2017

Date           07/20/17      Fri 07/21/17            Sat 07/22/17            Sun
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                      76          93          77          94          78
Temp                   76 76 79 89 93 91 85 80 79 77 80 90 93 92 86 82 80 79 81
Dewpt                  74 73 73 74 73 74 74 75 75 74 75 74 73 74 75 75 75 74 74
RH                     94 90 82 61 52 58 70 85 88 90 85 60 52 56 70 79 85 85 79
Wind dir                S SW SW SW  S  S  S  S SW SW SW  W  S  S  S  S SW SW SW
Wind spd                4  3  1  4  5  8  6  4  4  3  4  4  6  9  6  6  5  4  6
Clouds                 SC SC FW SC SC SC SC SC FW FW SC FW SC SC SC FW FW FW FW
PoP 12hr                      0          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  S              C
Tstms                                  S              S  S  S  S              C
Heat index                      98102101 93             99102102 95
Max heat                          102   103    90         102   102    92


Date           07/23  Mon 07/24/17  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17
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          93      77    92      77    91      75    88      74    89
Temp          92 85   79 80 91 85   79 80 90 83   77 77 87 81   76 77 88 82
Dewpt         74 75   74 74 74 75   75 74 74 74   74 74 74 74   74 73 73 73
PWind dir        SW      SW    SW      SW    SW      SW    SW       E    NE
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC B1   SC SC B1 B1   B1 B1 B1 B2   B1 B1 B1 B1
PoP 12hr         30      20    30      20    40      30    50      30    40
Rain shwrs     C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          C  C    S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ043-220900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1217 AM EDT Fri Jul 21 2017

Date           07/20/17      Fri 07/21/17            Sat 07/22/17            Sun
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                      72          95          75          95          77
Temp                   73 72 76 89 95 93 87 80 77 75 78 90 94 93 86 82 80 78 80
Dewpt                  72 72 72 73 71 71 74 73 73 73 73 73 71 72 73 74 74 73 73
RH                     97100 87 59 46 49 65 79 87 94 85 58 47 51 65 77 82 85 79
Wind dir                S SW SW SW  S  S  S  S SW SW SW SW SW  S  S  S SW SW SW
Wind spd                0  0  0  3  4  6  6  4  2  2  3  5  5  6  5  5  4  4  5
Clouds                 FW FW FW FW SC SC SC FW FW FW FW FW SC SC SC FW FW FW FW
PoP 12hr                      0          20          10          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S
Tstms                                                                         S
Heat index                      97103100 95             98101101 93
Max heat                          103   103    91         102   103    91


Date           07/23  Mon 07/24/17  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17
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      76    93      75    92      74    88      73    89
Temp          93 85   79 79 92 84   78 78 91 83   77 77 87 81   75 76 88 81
Dewpt         73 74   73 74 73 74   74 74 74 74   74 73 73 74   73 72 71 70
PWind dir        SW      SW    SW      SW    SW      SW     N       E    NE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC B1   SC SC B1 B2   B1 B1 B1 B2   B1 B1 B1 B1
PoP 12hr         20      20    30      20    40      30    40      20    40
Rain shwrs     S  S    S  S  C  C    S  S  C  C    C  C  C  C    S  S  C  C
Tstms          S  S    S  S  C  C    S  S  C  C    C  C  C  C    S  S  C  C

$$
GAZ099-220900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1217 AM EDT Fri Jul 21 2017

Date           07/20/17      Fri 07/21/17            Sat 07/22/17            Sun
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                      74          95          75          95          75
Temp                   75 74 76 89 94 94 87 80 76 75 77 89 94 94 85 80 78 76 78
Dewpt                  73 72 73 74 72 72 74 74 74 73 74 74 71 71 73 73 73 73 74
RH                     94 93 90 61 49 49 65 82 94 94 90 61 47 47 67 79 85 90 88
Wind dir                S  S SW SW  S  S  S  S SW SW SW  W SW SW SW SW SW SW SW
Wind spd                0  0  0  3  4  5  4  3  2  3  3  5  6  6  4  4  4  4  5
Clouds                 SC FW FW FW SC SC SC SC FW FW FW FW SC SC SC FW FW FW FW
PoP 12hr                      5          20          10          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S                                      S
Tstms                               S  S                                      S
Heat index                      98102102 95             98101101 92
Max heat                          102   104    93         101   103


Date           07/23  Mon 07/24/17  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17
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          93      76    93      76    92      73    89      73    91
Temp          92 85   79 79 92 85   79 79 91 83   76 76 88 81   75 76 90 83
Dewpt         72 74   74 74 74 74   74 74 74 74   74 74 74 74   73 73 72 72
PWind dir        SW      SW    SW      SW    SW      SW    NW       E    NE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC B1   B1 SC B1 B2   B1 B1 B1 B2   B1 SC SC SC
PoP 12hr         20      20    30      20    40      30    50      20    30
Rain shwrs     S  S    S  S  C  C    S  S  C  C    C  C  C  C    S  S  C  C
Tstms          S  S    S  S  C  C    S  S  C  C    C  C  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.