Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 211618
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
1217 PM EDT Thu Sep 21 2017

SCZ050-212100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1217 PM EDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      92          71          87          69          86
Temp                   92 89 80 76 73 72 73 84 87 86 78 74 72 70 70 81 86 84 76
Dewpt                  70 70 72 72 71 70 71 72 70 70 71 71 69 70 69 70 68 68 69
RH                     49 54 77 87 93 93 93 67 57 59 79 90 90100 97 69 55 59 79
Wind dir               SE  S  S  S  S NE  N NE  E  E  E  E NE NE NE NE  E  E  E
Wind spd                3  6  4  3  1  1  2  5  6  6  4  3  3  3  5  6  8  8  5
Clouds                 SC SC SC SC SC SC SC SC B1 B1 SC SC SC FW FW SC SC SC SC
PoP 12hr                     20          20          20          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S  S           S  S  S
Tstms                   S  S  S  S           S  S  S
Heat index             98 94                90 92 91
Max heat               98    98                93    92


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          68    86      68    86      68    87      69    88
Temp          69 68 86 77   71 69 86 76   71 70 86 76   70 70 88 78
Dewpt         68 67 67 69   67 66 67 69   68 67 68 69   68 67 67 68
PWind dir        NE    NE       N     N       N     N      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   SC FW FW SC   SC SC SC SC   FW FW FW FW
PoP 12hr          5    10      10    10      10    10       5     5

$$
GAZ118-212100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1217 PM EDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      92          71          87          70          86
Temp                   92 90 81 77 74 72 72 84 87 85 77 74 71 71 71 81 86 85 77
Dewpt                  69 69 71 71 71 70 70 71 69 69 70 71 70 70 69 70 68 67 69
RH                     47 50 72 82 90 93 93 65 55 59 79 90 97 97 93 69 55 55 76
Wind dir                E SE SE SE SE NE  N NE  E  E  E  E NE NE NE NE  E  E  E
Wind spd                4  6  5  3  0  0  3  5  8  8  5  4  3  4  6  8 10 10  6
Clouds                 SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          10          20          10          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
Heat index             97 95                   91
Max heat               97    97                91    91


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          67    87      67    88      68    88      68    90
Temp          70 68 86 77   71 69 87 78   71 69 87 79   72 70 89 79
Dewpt         68 67 66 68   68 66 66 68   67 66 66 67   67 65 66 67
PWind dir        NE    NE       N     N       N    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC FW   FW FW FW FW
PoP 12hr          5     5      10    10      10     5       5     5

$$
SCZ050-212100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1217 PM EDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      89          73          86          71          85
Temp                   89 86 79 76 75 73 74 83 86 84 78 75 72 72 72 81 85 83 77
Dewpt                  71 73 73 73 73 71 72 72 71 71 72 72 70 71 70 70 69 69 69
RH                     56 65 82 90 94 93 93 70 61 65 82 90 93 97 93 69 59 63 76
Wind dir               SE  S  S  S SE NE  N NE  E  E  E  E  E NE NE NE  E  E  E
Wind spd                6 10  5  4  1  3  4  5 10 10  8  6  5  5  6  9 10 10  8
Clouds                 SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC
PoP 12hr                     20          10          20          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S                 S  S  S
Tstms                   S  S                 S  S  S
Heat index             95 93                   91
Max heat               95    95                91    91


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          69    85      70    85      71    86      71    88
Temp          71 70 84 77   72 71 85 77   72 71 86 77   72 72 87 78
Dewpt         69 68 68 69   68 67 68 69   70 68 69 70   69 68 68 69
PWind dir        NE    NE       N     N       N     N      NW    NW
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC SC   SC FW SC SC   SC SC SC SC   SC FW FW FW
PoP 12hr          5    10      10    10      10    10       5     5

$$
SCZ048-212100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1217 PM EDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      91          71          87          69          86
Temp                   91 89 81 76 75 72 73 83 87 84 77 74 73 70 71 80 85 84 76
Dewpt                  70 70 73 72 72 71 71 71 70 70 72 72 70 70 69 70 68 68 69
RH                     50 54 77 87 90 97 93 67 57 63 85 93 90100 93 72 57 59 79
Wind dir               SE SE SE SE SE NE  N NE  E  E  E  E NE NE NE NE  E  E  E
Wind spd                3  6  5  3  1  1  2  5  6  6  5  3  3  3  5  8 10  9  5
Clouds                 SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          10          20          10          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
Heat index             97 94                   92
Max heat               97    97                92    92


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          67    86      67    87      68    87      69    89
Temp          69 69 85 76   70 69 86 77   71 70 86 77   71 70 88 78
Dewpt         68 67 65 68   67 66 66 68   68 66 66 68   67 66 65 68
PWind dir        NE    NE       N     N       N     N      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   SC FW SC SC   SC SC SC FW   FW FW FW FW
PoP 12hr          5     5      10    10      10     5       5     5

$$
SCZ043-212100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1217 PM EDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      93          70          88          67          87
Temp                   92 91 80 75 73 71 71 83 87 87 77 73 70 68 69 81 86 86 76
Dewpt                  69 69 72 71 70 69 70 71 69 69 71 70 68 68 67 70 66 66 67
RH                     47 49 77 87 90 93 97 67 55 55 82 90 93100 93 69 51 51 74
Wind dir               NE  E SE SE SE NE NE NE  E  E  E  E NE NE NE NE NE  E  E
Wind spd                2  3  4  2  0  0  2  4  5  5  3  2  1  2  3  5  6  6  3
Clouds                 SC SC B1 SC SC SC SC SC B1 B2 SC SC SC FW FW SC SC SC SC
PoP 12hr                     20          20          40          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S  S           S  C  C
Tstms                   S  S  S  S           S  C  C
Obvis                                 PF PF
Heat index             97 96                   91 91
Max heat               97    98                92    92


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          65    86      65    87      66    88      67    90
Temp          67 66 85 76   68 67 86 76   69 68 87 77   70 68 89 78
Dewpt         67 66 65 67   66 64 65 67   66 65 66 67   66 65 65 66
PWind dir        NE    NE       N     N       N     N      NW     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW SC   FW FW FW SC   SC SC SC FW   FW FW FW FW
PoP 12hr          5     5      10    10      10    10       5     5

$$
GAZ099-212100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1217 PM EDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      92          70          87          68          87
Temp                   91 90 80 76 74 71 71 82 87 86 77 73 70 69 69 80 86 85 77
Dewpt                  69 69 71 71 70 69 70 71 69 69 71 71 69 68 68 70 68 67 68
RH                     49 50 74 85 87 93 97 69 55 57 82 93 97 97 97 72 55 55 74
Wind dir                E  E  E SE SE SE NE  E  E  E  E  E  E NE NE NE NE  E  E
Wind spd                3  4  3  2  0  0  1  4  5  6  4  3  2  2  4  6  8  9  4
Clouds                 SC SC B1 SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC
PoP 12hr                     20          20          30          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S              S  S  C              S  S  S  S
Tstms                   S  S  S              S  S  C
Obvis                                 PF PF
Heat index             96 95                   91 90
Max heat               96    97                91    91                      90


Date          Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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          65    86      66    87      67    89      67    91
Temp          68 66 86 77   69 67 86 78   70 68 87 78   70 68 89 78
Dewpt         67 66 65 67   66 65 65 67   66 65 65 67   66 65 65 66
PWind dir        NE    NE      NE     N       N    NW      NW     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC FW   FW FW FW FW
PoP 12hr          5     5       5     5       5     5       5     5

$$

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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