Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
1242 AM EDT Mon Sep 25 2017

SCZ050-251945-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1242 AM EDT Mon Sep 25 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      69          85          69          86          71
Temp                   72 70 70 78 84 84 76 72 71 70 70 79 85 85 77 75 74 73 72
Dewpt                  68 67 66 66 68 68 69 69 68 67 67 69 70 71 71 71 70 69 69
RH                     87 90 87 67 59 59 79 90 90 90 90 72 61 63 82 87 87 87 90
Wind dir                N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N NW NW NW
Wind spd                5  6  8 10 10  9  6  5  4  8  6  8 10  8  5  6  4  6  6
Clouds                 SC SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                      0           5           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                                                 90 90
Max heat                                                   90    91
High Surf               Y  Y  Y  Y  Y  Y


Date           09/27  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          90      71    89      70    86      68    80      65    79
Temp          90 79   74 72 88 79   74 71 84 76   71 69 79 72   67 66 78 71
Dewpt         69 70   69 68 69 70   68 65 65 67   65 64 63 63   62 61 63 63
PWind dir        NW      NW    NW      NW    NE      NE    NE      NE    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC   SC SC FW FW   FW FW SC SC   SC SC B1 B1   B1 B1 B1 SC
PoP 12hr          5       5    10       5    20      20    30      20    20
Rain shwrs                                 S  S    S  S  C  C    S  S  S  S
Tstms                                      S  S    S  S  C  C    S  S  S  S

$$
GAZ118-251945-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1242 AM EDT Mon Sep 25 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      68          87          69          89          71
Temp                   72 70 69 79 85 86 78 74 72 70 70 81 87 88 80 75 74 72 72
Dewpt                  69 68 66 65 65 66 68 67 66 66 65 68 68 68 70 69 68 68 68
RH                     90 93 90 62 51 51 71 79 81 87 84 65 53 52 72 82 82 87 87
Wind dir                N  N  N  N  N  N NE  N NW NW  N  N  N  N NW NW NW NW NW
Wind spd                3  3  4  9  9  8  4  3  2  4  4  8  8  6  4  4  2  4  4
Clouds                 SC SC SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC SC SC
PoP 12hr                      0           5           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                                                 91 92
Max heat                                                   91    93


Date           09/27  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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      71    92      71    88      69    82      66    81
Temp          90 81   75 72 91 81   74 71 88 78   72 70 81 75   70 67 79 73
Dewpt         68 69   67 66 67 69   69 66 67 69   68 65 64 64   64 62 62 62
PWind dir        NW       W    NW       W     E      NE    NE      NE    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC   FW FW FW FW   FW FW FW SC   SC B1 B1 B1   B1 B1 SC SC
PoP 12hr          5       5    10      10    20      20    30      20    20
Rain shwrs                                 S  S    S  S  C  C    S  S  S  S
Tstms                                      S  S    S  S  C  C    S  S  S  S

$$
SCZ050-251945-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1242 AM EDT Mon Sep 25 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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          83          71          85          73
Temp                   75 73 73 79 83 83 76 74 73 71 72 79 84 84 77 76 75 74 73
Dewpt                  70 68 67 67 68 69 70 69 70 68 69 70 71 71 72 71 71 70 70
RH                     84 84 81 67 61 63 82 84 90 90 90 74 65 65 85 85 87 87 90
Wind dir                N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N NW NW NW
Wind spd                9  9 10 11 11 10  8  8  8  9  9 10 10  9  8  8  6  9  9
Clouds                 B1 B1 SC B1 SC SC SC SC SC B1 SC B1 SC SC SC SC SC SC SC
PoP 12hr                      0           5           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Surf               Y  Y  Y  Y  Y  Y


Date           09/27  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          88      73    88      72    84      70    79      67    78
Temp          88 79   75 74 87 79   75 72 83 76   72 71 79 73   69 68 78 71
Dewpt         70 71   70 69 70 71   70 67 66 68   67 65 64 64   63 62 64 64
PWind dir        NW      NW    NW      NW    NE       E    NE      NE    NE
Wind char        GN      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC SC   SC SC FW FW   FW FW SC SC   SC SC B1 B1   B1 B1 B1 SC
PoP 12hr          5       5    10       5    20      30    30      20    20
Rain shwrs                                 S  S    C  C  C  C    S  S  S  S
Tstms                                      S  S    C  C  C  C    S  S  S  S

$$
SCZ048-251945-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1242 AM EDT Mon Sep 25 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      71          85          69          87          71
Temp                   74 72 71 79 84 84 77 74 71 70 70 80 86 86 78 75 74 73 72
Dewpt                  70 68 67 66 65 66 68 68 68 67 67 69 69 69 70 70 69 69 68
RH                     87 87 87 64 53 55 74 82 90 90 90 69 57 57 76 84 84 87 87
Wind dir                N  N  N  N  N  N  N  N  N  N  N  N  N  N  N NW NW NW NW
Wind spd                4  5  6 10 10  8  5  4  4  6  6  8  8  8  4  5  4  5  6
Clouds                 SC SC SC SC SC B1 SC SC FW SC SC SC SC SC SC SC SC SC SC
PoP 12hr                      0           5           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                                                 90 90
Max heat                                                   90    91
High Surf               Y  Y  Y  Y  Y  Y


Date           09/27  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          90      71    90      71    87      69    80      66    79
Temp          90 80   74 73 89 81   75 72 86 78   72 70 80 74   69 67 78 72
Dewpt         68 69   68 67 68 69   69 66 66 68   67 65 63 64   63 62 62 63
PWind dir        NW      NW    NW      NW     E      NE    NE      NE    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC   FW FW FW FW   FW FW SC SC   SC B1 B1 B1   B1 B1 SC SC
PoP 12hr          5       5    10       5    20      20    30      20    20
Rain shwrs                                 S  S    S  S  C  C    S  S  S  S
Tstms                                      S  S    S  S  C  C    S  S  S  S

$$
SCZ043-251945-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1242 AM EDT Mon Sep 25 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      67          86          68          87          70
Temp                   70 69 68 77 84 85 77 72 69 69 69 79 84 87 79 74 73 71 71
Dewpt                  67 66 65 65 66 67 67 67 67 66 66 68 69 69 69 70 68 68 68
RH                     90 90 90 67 55 55 71 84 93 90 90 69 61 55 72 87 84 90 90
Wind dir                N  N  N  N  N  N  N  N  N  N  N  N  N  N  N  N NW NW NW
Wind spd                1  2  3  9  9  8  4  4  3  5  4  8  8  6  4  4  3  4  4
Clouds                 SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC
PoP 12hr                      0           5           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                                                    91
Max heat                                                         91


Date           09/27  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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          91      69    91      68    87      66    80      62    79
Temp          90 80   73 70 89 80   72 69 86 76   70 67 79 71   65 63 78 70
Dewpt         68 68   67 66 66 68   67 63 64 66   64 62 60 61   60 59 60 61
PWind dir        NW      NW    NW       N    NE      NE    NE      NE    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC   FW FW FW FW   FW FW SC SC   SC SC B1 B1   SC B1 B1 SC
PoP 12hr          5       5    10       5    20      20    30      20    10
Rain shwrs                                 S  S    S  S  C  C    S  S
Tstms                                      S  S    S  S  C  C    S  S

$$
GAZ099-251945-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1242 AM EDT Mon Sep 25 2017

Date           09/24/17      Mon 09/25/17            Tue 09/26/17            Wed
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                      68          88          67          89          69
Temp                   70 69 69 80 86 87 79 73 70 68 68 80 87 88 80 75 72 71 71
Dewpt                  68 68 67 65 63 64 66 66 65 65 65 67 67 67 69 68 68 67 67
RH                     93 97 93 60 46 46 64 79 84 90 90 65 52 50 69 79 87 87 87
Wind dir                N  N  N NE  N  N  N  N  N  N  N  N  N  N  N NW NW NW  N
Wind spd                0  0  1  9  9  8  4  2  1  3  3  8  8  6  2  3  1  3  3
Clouds                 SC SC SC FW FW SC FW FW FW FW FW FW SC SC FW SC SC FW SC
PoP 12hr                      0           5           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                                                 90 91
Max heat                                                   90    92


Date           09/27  Thu 09/28/17  Fri 09/29/17  Sat 09/30/17  Sun 10/01/17
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      70    92      69    89      67    82      63    80
Temp          90 81   73 71 91 81   72 70 88 77   71 67 80 72   66 64 78 71
Dewpt         67 67   66 65 66 67   67 64 64 67   66 63 60 62   61 59 58 58
PWind dir        NW      NW     N      NW    NE      NE    NE      NE    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC   FW FW FW FW   FW FW FW SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5       5    10      10    20      20    30      20     5
Rain shwrs                                 S  S    S  S  C  C    S  S
Tstms                                      S  S    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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