Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
314 PM EDT Thu Apr 27 2017

SCZ050-280900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
314 PM EDT Thu Apr 27 2017

Date           04/27/17      Fri 04/28/17            Sat 04/29/17            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                      70          88          72          87          71
Temp          84 78 72 71 70 73 82 87 87 79 74 73 72 74 82 87 85 78 74 72 71 73
Dewpt         66 68 70 71 70 70 70 69 69 70 71 72 71 72 70 70 69 70 70 70 70 70
RH            55 71 93100100 90 67 55 55 74 90 97 97 93 67 57 59 76 87 93 97 90
Wind dir       S  S  S  S SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd      17 11 11  9  5  5  8 11 12 10  8  6  5  5  9 11 13 10  9  6  6  8
Clouds        SC B1 B1 B1 B1 SC SC FW FW FW FW SC SC SC SC SC SC SC SC B1 B1 B2
PoP 12hr                     20          10           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S
Tstms                   S
Heat index                         91 91                   92
Max heat                           91    92                92    92
Coast Flood       Y


Date           04/30  Mon 05/01/17  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17
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          85      71    84      63    80      60    82      65    78
Temp          84 78   73 73 84 75   69 63 79 71   62 63 81 72   66 67 78 75
Dewpt         68 68   69 69 68 69   64 59 54 58   58 59 60 62   64 65 67 66
PWind dir         S       S     S      SW     W      SW    SW       S     S
Wind char        GN      GN    BZ      GN    LT      LT    LT      LT    GN
Avg clouds    B2 B1   B1 B1 B2 B2   B2 B1 SC FW   FW FW SC SC   B1 B2 B2 OV
PoP 12hr         10      10    30      50    10      10    10      30    70
Rain shwrs                   S  C    C  C                        C  C  L  L
Tstms                        S  C    C  C                        S  S  S  S

$$
GAZ118-280900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
314 PM EDT Thu Apr 27 2017

Date           04/27/17      Fri 04/28/17            Sat 04/29/17            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                      69          90          71          88          70
Temp          86 80 74 71 69 71 83 89 89 82 77 73 71 74 83 88 87 81 75 72 70 72
Dewpt         65 67 69 69 68 68 69 66 68 69 71 71 70 71 70 68 69 69 70 69 69 69
RH            50 65 84 93 97 90 63 47 50 65 82 93 97 90 65 52 55 67 84 90 97 90
Wind dir       S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SE SE SE  S  S  S
Wind spd      17 13 10  8  4  3  6 10 11 11  9  8  4  6  9 11 13 12 10  8  8  9
Clouds        SC B1 SC SC SC SC SC FW SC FW SC SC SC SC SC SC SC SC SC B1 B2 B2
PoP 12hr                     10          10           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                         92 93                   92 91
Max heat                           92    93                92    92


Date           04/30  Mon 05/01/17  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17
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          86      70    86      62    81      60    83      65    81
Temp          86 79   72 72 85 76   69 62 80 71   62 62 82 72   66 66 81 76
Dewpt         67 68   69 68 66 67   63 58 54 58   58 59 60 63   65 65 65 65
PWind dir         S       S     S       W     W       S    SE       S    SW
Wind char        GN      GN    BZ      GN    LT      LT    LT      LT    GN
Avg clouds    B1 B1   B1 B1 B2 B2   B2 B1 SC SC   FW FW SC SC   B1 B2 B2 OV
PoP 12hr         10      10    30      50    10      10    20      30    60
Rain shwrs                   C  C    C  C                S  S    C  C  L  L
Tstms                        C  C    C  C                S  S    S  S  S  S

$$
SCZ050-280900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
314 PM EDT Thu Apr 27 2017

Date           04/27/17      Fri 04/28/17            Sat 04/29/17            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                      73          86          73          85          72
Temp          81 77 74 73 73 74 81 85 84 78 75 74 73 75 82 85 83 77 75 73 72 74
Dewpt         69 69 71 72 72 71 71 71 70 71 72 73 72 73 72 71 70 71 71 71 71 71
RH            67 76 90 97 97 90 72 63 63 79 90 97 97 94 72 63 65 82 87 93 97 90
Wind dir       S  S  S  S  S SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd      16 13 13 11  8  6  9 12 13 11 10  9  6  6 10 12 13 11 10  9  8  9
Clouds        SC B1 B1 B1 B1 SC SC FW FW FW FW SC SC SC SC SC SC SC SC B1 B1 B2
PoP 12hr                     20          10          10          10           5
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S
Tstms                   S  S
Heat index                         90                      90
Max heat                           90    91                90    90
Coast Flood       Y


Date           04/30  Mon 05/01/17  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17
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          83      73    81      66    78      64    79      67    78
Temp          83 77   73 74 81 75   70 66 78 71   65 66 79 72   68 69 78 74
Dewpt         69 69   70 70 69 69   66 61 56 59   59 60 62 64   66 66 69 67
PWind dir         S       S     S      SW     W      SW     S       S     S
Wind char        GN      GN    BZ      GN    LT      LT    LT      GN    GN
Avg clouds    B2 B1   B1 B1 B2 B2   B2 B1 SC FW   FW FW SC SC   B1 B2 B2 OV
PoP 12hr         10      10    30      50    10      10    10      30    70
Rain shwrs                   S  C    C  C                        C  C  L  L
Tstms                        S  C    C  C                        S  S  S  S

$$
SCZ048-280900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
314 PM EDT Thu Apr 27 2017

Date           04/27/17      Fri 04/28/17            Sat 04/29/17            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                      70          88          72          87          71
Temp          84 78 74 72 70 75 83 87 86 79 76 73 72 74 83 87 85 79 75 73 71 74
Dewpt         67 68 70 70 69 70 69 68 68 70 71 72 71 71 70 69 69 70 70 70 70 70
RH            57 71 87 93 97 84 63 53 55 74 85 97 97 90 65 55 59 74 84 90 97 87
Wind dir       S  S  S SW SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd      12 10 10  8  5  3  6  9 10  9  8  6  5  6  9 11 11  9  9  8  8  8
Clouds        SC B1 B1 SC SC SC SC FW FW FW FW SC SC SC SC SC SC SC SC B1 B2 B2
PoP 12hr                     10          10           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index                         91                      91
Max heat                           91    92                91    91
Coast Flood       Y


Date           04/30  Mon 05/01/17  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17
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          85      72    85      63    81      61    82      67    79
Temp          84 78   74 74 84 76   71 64 78 71   64 64 82 73   68 69 79 75
Dewpt         67 68   69 69 67 67   64 59 52 56   58 59 59 63   65 66 66 66
PWind dir         S       S     S       W     W       S     S       S     S
Wind char        GN      GN    BZ      GN    LT      LT    LT      LT    GN
Avg clouds    B2 B1   B1 B1 B2 B2   B2 B1 SC FW   FW FW SC SC   B1 B2 OV OV
PoP 12hr         10      10    30      50    10      10    10      30    60
Rain shwrs                   S  C    C  C                        C  C  L  L
Tstms                        S  C    C  C                        S  S  S  S

$$
SCZ043-280900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
314 PM EDT Thu Apr 27 2017

Date           04/27/17      Fri 04/28/17            Sat 04/29/17            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                      68          90          69          89          68
Temp          85 78 72 70 68 71 81 88 89 81 74 71 69 72 82 88 88 80 73 69 68 71
Dewpt         64 65 67 68 68 68 69 66 66 68 70 70 69 70 69 67 67 68 69 69 68 69
RH            50 64 84 93100 90 67 48 47 65 87 97100 93 65 50 50 67 87100100 93
Wind dir       S  S  S  S SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd      11  9  8  5  3  3  6  9  9  8  6  5  4  5  8  9 11  9  6  5  5  6
Clouds        SC B1 B1 B1 B1 SC SC FW FW FW FW SC SC SC SC SC FW SC SC B1 B1 B2
PoP 12hr                     20          10           5          10           5
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S
Tstms                S
Heat index                         90 92                   91 91
Max heat                           90    93                91    92


Date           04/30  Mon 05/01/17  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17
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          87      69    86      60    81      57    84      63    78
Temp          86 79   71 72 85 74   67 61 79 70   59 60 83 73   64 65 78 73
Dewpt         65 67   68 68 64 66   61 58 52 55   56 57 57 61   63 64 64 64
PWind dir         S       S     S       W     W      SW     S       S     S
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B1   B1 B1 B2 B2   B2 B1 SC FW   FW FW SC SC   B1 B2 OV OV
PoP 12hr         10      10    40      50    10       5    10      30    60
Rain shwrs                   C  C    C  C                        C  C  L  L
Tstms                        C  C    C  C                        S  S  S  S

$$
GAZ099-280900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
314 PM EDT Thu Apr 27 2017

Date           04/27/17      Fri 04/28/17            Sat 04/29/17            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                      67          92          70          92          69
Temp          88 81 73 69 67 68 80 89 92 85 76 72 70 72 83 90 92 86 75 72 69 71
Dewpt         63 64 66 67 67 68 70 64 63 66 68 69 68 69 69 66 64 67 67 68 67 69
RH            43 56 79 93100100 72 44 38 53 76 90 93 90 63 45 40 53 76 87 93 93
Wind dir      SW SW SW SW SW  S  S  S  S  S SE  S SE  S  S  S SE SE SE SE SE  S
Wind spd      14  9  9  4  3  3  6  8  8  4  6  4  4  4  8  9 10 12 10  6  6  8
Clouds        B1 B1 B1 SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 B2 B2 B2
PoP 12hr                     30          10           5          10           5
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  S                                                        S
Tstms             C  S                                                        S
Heat index                         90 93                   93 94
Max heat                           90    93                93    94


Date           04/30  Mon 05/01/17  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17
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      68    86      59    81      58    84      62    79
Temp          88 84   69 70 86 78   66 60 78 73   61 60 82 76   64 64 79 77
Dewpt         63 64   66 67 63 66   60 58 51 55   56 57 57 61   63 63 64 63
PWind dir         S       S    SW       W     W       S     S       S    SW
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 SC   SC B1 B2 B2   B1 SC SC FW   FW FW SC SC   B1 B2 OV OV
PoP 12hr         20      20    50      50    10      10    20      30    60
Rain shwrs     S  S    S  S  C  C    C  C                S  S    C  C  L  L
Tstms          S  S    S  S  C  C    C  C                S  S    S  S  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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