Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
317 AM EDT Thu May 24 2018

SCZ050-242100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
317 AM EDT Thu May 24 2018

Date             Thu 05/24/18            Fri 05/25/18            Sat 05/26/18
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                      87          70          85          71          87
Temp          71 73 84 87 84 78 73 71 70 73 82 85 84 79 75 73 71 74 83 86 84 79
Dewpt         70 71 71 69 69 70 70 70 70 71 71 70 70 70 70 70 70 71 70 70 69 69
RH            97 93 65 55 61 76 90 97100 93 69 61 63 74 84 90 97 90 65 59 61 72
Wind dir      SW  S  S SE SE SE  E  E  E  E SE SE SE  S  S  S  S  S  S  S  S  S
Wind spd       2  3  5  8  9  6  3  2  3  3  8 11 11  9  6  4  3  4  8 12 13  8
Clouds        SC B1 B1 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20          20          30          20          30
QPF 12hr                      0           0        0.10        0.03        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S           S  S  C  C  S  S  S  S  C  C  C  C  C
Tstms                                     S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index             91                      90                      91
Max heat               92    91                90    90                91    90


Date          Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
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          72    83      73    86      73    87      73    88
Temp          73 76 83 79   73 75 86 79   75 75 87 79   75 76 88 81
Dewpt         70 70 72 71   71 72 74 72   72 72 74 73   72 72 74 73
PWind dir        SE    SE       S     S       S     S       S     S
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B2 B2 OV OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         30    70      60    60      40    50      40    50
Rain shwrs     C  C  L  L    L  L  L  L    C  C  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    C  C  S  S    C  C  S  S

$$
GAZ118-242100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
317 AM EDT Thu May 24 2018

Date             Thu 05/24/18            Fri 05/25/18            Sat 05/26/18
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                      86          69          85          70          86
Temp          70 71 82 85 81 75 72 69 69 72 82 85 84 80 75 72 70 72 81 86 83 78
Dewpt         70 71 71 70 70 70 70 69 69 71 71 70 69 70 70 69 69 70 70 69 68 68
RH           100100 69 61 69 84 93100100 97 69 61 61 72 84 90 97 93 69 57 61 71
Wind dir       S  S SE SE SE SE SE SE  E  E SE SE SE SE  S  S  S  S  S SE SE SE
Wind spd       0  1  3  5  8  5  3  3  3  3  8 11 11  9  6  5  4  4  9 12 12  8
Clouds        SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     60          30          30          20          40
QPF 12hr                   0.12           0        0.13        0.01        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  L  C  S  S  S  S  C  C  C  S  S  S  S  C  C  C  C  C
Tstms                   C  C              S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index             90                      90                      90
Max heat               90                      90    90                90


Date          Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
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          71    83      72    86      72    88      73    88
Temp          72 74 83 79   74 74 86 79   73 74 87 81   74 74 87 82
Dewpt         69 70 71 71   71 71 73 72   71 71 73 72   71 71 72 72
PWind dir        SE    SE       S     S       S     S       S     S
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B2 OV OV OV   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B1
PoP 12hr         40    80      50    60      40    60      40    60
Rain shwrs     C  C  D  D    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          S  S  C  C    S  S  C  C    C  C  S  S    C  C  S  S

$$
SCZ050-242100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
317 AM EDT Thu May 24 2018

Date             Thu 05/24/18            Fri 05/25/18            Sat 05/26/18
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                      83          71          84          73          85
Temp          75 75 81 83 82 76 73 72 71 74 81 83 82 78 75 74 73 75 82 84 82 78
Dewpt         71 72 71 71 71 71 72 72 71 72 72 72 71 71 71 71 72 72 71 71 70 70
RH            87 90 72 67 69 85 97100100 93 74 70 69 79 87 90 97 90 69 65 67 76
Wind dir      SW  S  S SE SE SE  E SE  E  E SE SE SE  S  S  S  S  S  S  S  S  S
Wind spd       3  4  6  9 11  8  4  4  4  4  9 12 14 10  8  5  4  4 10 14 16 10
Clouds        SC SC B1 B1 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20          20          30          20          30
QPF 12hr                      0           0        0.08        0.04        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S              S  S  C  S  S  S  S  S  C  C  C  C  C
Tstms                                     S  S  S  S  S  S  S  S  S  S  S  S  S


Date          Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
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          73    83      74    85      74    85      74    86
Temp          74 76 82 79   76 76 85 79   76 76 85 79   75 76 86 81
Dewpt         70 71 72 72   73 73 74 73   74 73 75 73   73 73 74 73
PWind dir        SE    SE       S     S       S     S       S     S
Wind char        LT    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B2 OV OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B1
PoP 12hr         30    70      60    60      40    50      40    50
Rain shwrs     C  C  L  L    L  L  L  L    C  C  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    C  C  S  S    C  C  S  S

$$
SCZ048-242100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
317 AM EDT Thu May 24 2018

Date             Thu 05/24/18            Fri 05/25/18            Sat 05/26/18
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                      86          70          85          71          86
Temp          71 74 84 86 84 78 74 71 71 75 81 84 83 79 75 74 71 74 81 85 83 78
Dewpt         70 71 71 72 72 71 71 71 70 71 71 71 70 71 71 70 70 71 70 70 69 70
RH            97 90 65 63 67 79 90100 97 87 72 65 65 77 87 87 97 90 69 61 63 76
Wind dir       S  S  S SE SE SE SE  E  E  E SE SE SE  S  S  S  S  S  S  S  S  S
Wind spd       1  3  4  5  5  5  4  3  3  4  8 10 10  8  6  5  3  3  8 12 12  8
Clouds        SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     30          20          40          20          30
QPF 12hr                   0.03           0        0.10        0.01        0.11
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C  S        S  S  C  C  C  S  S  S  S  C  C  C  C  C
Tstms                   C  C              S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index             92 90                                           90
Max heat               92    92                                        90    90


Date          Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
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          72    83      72    86      72    87      73    88
Temp          73 77 82 78   76 76 85 78   74 75 86 78   75 75 87 81
Dewpt         70 70 72 71   72 72 73 72   72 72 74 72   72 72 73 73
PWind dir        SE    SE       S     S       S     S       S     S
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    B2 B2 OV OV   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         40    80      50    60      40    60      40    50
Rain shwrs     C  C  D  D    C  C  L  L    C  C  L  L    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    C  C  S  S    C  C  S  S

$$
SCZ043-242100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
317 AM EDT Thu May 24 2018

Date             Thu 05/24/18            Fri 05/25/18            Sat 05/26/18
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                      87          67          85          68          86
Temp          69 70 82 86 83 77 70 68 67 71 81 85 84 78 73 70 68 71 80 85 85 78
Dewpt         69 70 71 71 70 69 70 68 67 70 70 70 69 70 69 69 68 70 69 68 67 68
RH           100100 69 61 65 76100100100 97 69 61 61 76 87 97100 97 69 57 55 71
Wind dir       S  S SE SE SE SE SE  E NE  E SE SE SE  S  S  S  S  S  S  S  S  S
Wind spd       0  1  3  4  4  3  2  0  0  3  6  8  9  6  4  3  2  2  5 10 11  6
Clouds        B1 B1 B1 B2 OV B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     40          30          40          20          30
QPF 12hr                   0.14           0        0.22        0.02        0.12
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C  C  S  S  S  S  C  C  C  S  S  S  S  C  C  C  C  C
Tstms                   C  C              S  S  S  S  S  S  S  S  S  S  S  S  S
Heat index             91                      90
Max heat               91    91                90    90


Date          Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
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    83      70    86      70    86      71    88
Temp          70 72 83 77   72 73 86 79   72 73 86 79   72 74 88 81
Dewpt         68 69 70 71   70 70 73 72   70 71 74 72   70 71 73 72
PWind dir        SE    SE      SE     S       S     S       S     S
Wind char        LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    B2 B2 OV OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         30    70      50    70      40    60      40    60
Rain shwrs     C  C  L  L    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          S  S  C  C    S  S  C  C    C  C  S  S    C  C  S  S

$$
GAZ099-242100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
317 AM EDT Thu May 24 2018

Date             Thu 05/24/18            Fri 05/25/18            Sat 05/26/18
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                      84          68          84          68          85
Temp          70 71 80 84 80 75 70 68 68 69 78 84 83 79 73 70 69 70 79 85 84 79
Dewpt         70 71 71 70 70 71 70 68 68 69 71 70 70 70 69 68 69 69 70 69 68 68
RH           100100 74 63 72 87100100100100 79 63 65 74 87 93100 97 74 59 59 69
Wind dir       S  S  S SE SE SE SE SE  E  E SE SE SE SE SE  S  S  S  S SE SE SE
Wind spd       0  2  4  5  5  4  2  2  2  4  8  8  9  6  4  4  3  3  6 10 10  5
Clouds        B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     70          50          60          20          40
QPF 12hr                   0.53        0.10        0.75        0.04        0.14
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S     C  C  L  C  C  C  S  C  C  L  L  S  S  S  S  C  C  C  C  C
Tstms                C  C  C  S           S  S  S  S  S  S  S  S  S  S  S  S  S


Date          Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
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    82      69    84      69    85      70    88
Temp          70 71 82 79   71 71 84 80   71 71 85 81   72 72 87 82
Dewpt         68 69 71 71   70 71 73 71   70 71 73 73   70 71 72 72
PWind dir         E     E      SE     S       S     S       S     S
Wind char        LT    GN      LT    GN      LT    GN      LT    LT
Avg clouds    B2 OV OV OV   OV B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         40    80      50    70      40    60      40    60
Rain shwrs     C  C  D  D    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          S  S  C  C    S  S  C  C    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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