Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
1033 PM EDT Sun Apr 30 2017

SCZ050-010900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1033 PM EDT Sun Apr 30 2017

Date           04/30/17      Mon 05/01/17            Tue 05/02/17            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          84          62          81          60
Temp                74 73 73 75 81 83 81 75 72 68 63 63 74 80 80 71 64 63 60 63
Dewpt               69 69 68 69 69 69 68 70 69 67 62 56 51 49 50 54 55 56 55 53
RH                  84 87 84 82 67 63 65 84 90 97 97 78 44 34 35 55 73 78 84 70
Wind dir             S  S  S  S  S  S  S  S SW SW  W  W  W  W SW SW SW  W  W NW
Wind spd            10 10 10 11 18 23 21 17 12  9  6  6  8  9  8  5  4  4  3  3
Wind gust                          34 32
Clouds              SC FW B1 B1 B1 SC B1 B2 OV B2 B1 SC FW CL CL CL CL CL CL CL
PoP 12hr                      0          40          60          10           0
QPF 12hr                      0        0.07        0.18           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S  C  L  C  S
Tstms                               S  S  C  L  C  S


Date           05/03  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17  Sun 05/07/17
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      67    82      65    77      58    76      59    78
Temp          82 74   68 69 81 72   66 67 77 69   61 60 75 69   61 62 78 73
Dewpt         51 57   61 65 66 68   66 65 63 60   58 57 55 56   56 56 57 58
PWind dir         E      SE     S       S    SW       W     W       W    NW
Wind char        LT      LT    GN      GN    GN      LT    GN      LT    LT
Avg clouds    CL FW   SC B1 B2 B2   B2 B2 B2 B1   B1 B1 SC SC   SC FW FW SC
PoP 12hr          0      20    60      60    50      30    20      20    10
Rain shwrs             S  S  L  L    L  L  C  C    C  C  S  S    S  S
Tstms                  S  S  L  L    L  L  C  C    S  S  S  S    S  S

$$
GAZ118-010900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1033 PM EDT Sun Apr 30 2017

Date           04/30/17      Mon 05/01/17            Tue 05/02/17            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          84          61          82          59
Temp                75 74 73 74 81 84 82 76 71 66 62 62 72 80 81 72 65 62 59 62
Dewpt               69 69 69 69 69 69 69 69 67 63 59 55 50 48 49 52 53 53 54 53
RH                  82 84 87 84 67 61 65 79 87 90 90 78 46 33 33 49 65 72 83 72
Wind dir             S  S  S  S  S  S  S  S SW  W  W NW  W  W  W SW  W  W NW  N
Wind spd            12 10 10 11 17 18 18 13 10  6  6  6  6  8  5  4  3  3  2  2
Clouds              SC B1 B2 B2 B1 B1 B2 B2 B2 B1 SC FW FW CL CL CL CL CL CL CL
PoP 12hr                      5          50          60           5           0
QPF 12hr                      0        0.10        0.12           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C  C  C  C  C  S
Tstms                            S  C  C  C  C  C  S


Date           05/03  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17  Sun 05/07/17
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      67    84      64    78      56    78      58    80
Temp          84 76   68 69 84 74   66 64 78 70   59 58 77 69   61 60 79 74
Dewpt         50 56   63 66 67 69   65 64 61 58   56 55 54 56   56 55 55 56
PWind dir         E      SE     S      SW    SW       W     W       W    NE
Wind char        LT      LT    GN      GN    GN      LT    GN      LT    LT
Avg clouds    FW FW   SC B1 B2 B2   B2 B2 B1 B1   B1 SC SC SC   SC FW FW SC
PoP 12hr          5      20    60      50    40      30    20      20    10
Rain shwrs             S  S  L  L    C  C  C  C    C  C  S  S    S  S
Tstms                  S  S  L  L    C  C  C  C    S  S  S  S    S  S

$$
SCZ050-010900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1033 PM EDT Sun Apr 30 2017

Date           04/30/17      Mon 05/01/17            Tue 05/02/17            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                      75          81          64          80          63
Temp                75 75 75 75 79 81 79 74 71 68 64 65 74 79 79 71 67 65 63 66
Dewpt               70 69 69 70 70 70 70 71 70 68 63 57 52 50 52 56 57 57 56 54
RH                  84 82 82 84 74 69 74 90 97100 97 75 46 36 39 59 70 75 78 65
Wind dir             S  S  S  S  S  S  S  S SW SW  W  W  W  W SW SW SW  W  W NW
Wind spd            12 12 13 13 19 24 23 19 14 11  9  6  8  9  8  8  6  5  4  4
Clouds              SC FW B1 B1 B1 SC B1 B2 OV B2 B1 SC FW CL CL CL CL CL CL CL
PoP 12hr                      0          30          60          10           0
QPF 12hr                      0        0.05        0.22           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S  C  L  C  C
Tstms                               S  S  C  L  C  C


Date           05/03  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17  Sun 05/07/17
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          81      70    79      67    76      62    75      62    76
Temp          81 74   70 71 79 73   68 68 76 69   64 63 74 69   63 64 76 72
Dewpt         53 59   63 66 67 69   67 66 64 62   58 58 57 58   58 57 57 59
PWind dir         E      SE     S       S    SW       W     W       W    NW
Wind char        LT      LT    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    CL FW   SC B1 B2 B2   B2 B2 B1 B1   B1 B1 SC SC   SC FW FW SC
PoP 12hr          0      20    50      60    50      30    20      20    10
Rain shwrs             S  S  C  C    L  L  C  C    C  C  S  S    S  S
Tstms                  S  S  C  C    L  L  C  C    S  S  S  S    S  S

$$
SCZ048-010900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1033 PM EDT Sun Apr 30 2017

Date           04/30/17      Mon 05/01/17            Tue 05/02/17            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                      74          83          62          81          61
Temp                76 75 74 76 80 83 81 76 72 68 64 63 72 80 80 71 66 63 61 65
Dewpt               70 70 70 70 70 69 70 70 68 64 60 55 50 48 49 53 54 55 54 53
RH                  82 84 87 82 72 63 69 82 87 87 87 75 46 33 34 53 65 75 78 65
Wind dir             S  S  S  S  S  S  S  S SW  W  W NW  W  W SW SW SW  W NW NW
Wind spd            10 11 10 11 16 18 17 13 11  8  6  6  6  8  6  4  4  4  3  3
Clouds              SC SC B1 B2 B1 B1 B2 B2 B2 B1 SC SC FW CL CL CL CL CL CL CL
PoP 12hr                      5          40          60          10           0
QPF 12hr                      0        0.09        0.13           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  C  C  C  S
Tstms                               S  C  C  C  C  S


Date           05/03  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17  Sun 05/07/17
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      67    83      65    78      58    77      59    79
Temp          84 75   69 71 82 73   68 66 76 70   62 61 76 70   63 62 78 74
Dewpt         51 57   63 65 66 68   66 64 62 59   57 56 54 56   56 56 55 57
PWind dir         E      SE     S      SW    SW       W     W       W     W
Wind char        LT      LT    GN      GN    GN      LT    GN      LT    LT
Avg clouds    FW FW   SC B1 B2 B2   B2 B2 B1 B1   B1 SC SC SC   SC FW FW SC
PoP 12hr          0      20    60      50    40      30    20      20    10
Rain shwrs             S  S  L  L    C  C  C  C    C  C  S  S    S  S
Tstms                  S  S  L  L    C  C  C  C    S  S  S  S    S  S

$$
SCZ043-010900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1033 PM EDT Sun Apr 30 2017

Date           04/30/17      Mon 05/01/17            Tue 05/02/17            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          59          82          57
Temp                73 72 71 73 80 85 82 75 70 66 60 60 72 80 81 72 63 60 57 60
Dewpt               68 68 69 69 69 68 68 69 66 62 58 54 49 46 47 49 50 51 51 51
RH                  84 87 93 87 69 57 63 82 87 87 93 81 44 30 30 44 62 72 80 72
Wind dir            SE  S  S  S  S  S  S  S SW  W  W  W  W  W  W SW  W  W  W NW
Wind spd             8  8  8  9 14 18 17 11  9  8  5  5  8  9  6  4  3  3  3  2
Clouds              SC SC B1 B2 B1 B1 B2 OV B2 SC FW FW FW CL CL CL CL CL CL CL
PoP 12hr                      5          50          60           5           0
QPF 12hr                      0        0.11        0.13           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C  C  L  C  C  S
Tstms                            S  C  C  L  C  C  S


Date           05/03  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17  Sun 05/07/17
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      63    82      62    76      55    75      56    78
Temp          83 76   65 66 82 72   64 65 76 68   58 57 74 68   59 59 77 72
Dewpt         49 54   61 63 64 67   63 63 60 58   56 55 54 55   55 55 54 57
PWind dir        NE      SE     S      SW    SW      SW     W       W    NW
Wind char        LT      LT    GN      GN    GN      LT    GN      LT    LT
Avg clouds    CL FW   SC B1 B2 B2   B2 B2 B2 B1   B1 B1 SC SC   SC FW FW SC
PoP 12hr          0      20    60      60    50      30    20      20    10
Rain shwrs             S  S  L  L    L  L  C  C    C  C  S  S    S  S
Tstms                  S  S  L  L    L  L  C  C    S  S  S  S    S  S

$$
GAZ099-010900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1033 PM EDT Sun Apr 30 2017

Date           04/30/17      Mon 05/01/17            Tue 05/02/17            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                      70          85          57          83          57
Temp                74 72 71 71 79 84 83 73 69 64 59 59 73 80 83 75 65 61 58 60
Dewpt               69 69 69 70 70 68 67 66 62 56 54 52 49 46 46 47 48 49 50 50
RH                  84 90 93 97 74 59 59 79 78 75 83 78 43 30 27 37 54 65 75 69
Wind dir            SE  S  S  S SW SW SW  W  W  W  W NW NW  W  W  W  W NW NW  N
Wind spd            11  9  9 10 13 16 12 10  8  6  4  4  6  9  6  3  3  3  2  2
Clouds              SC B1 B1 B2 B2 B2 OV B2 B1 FW FW CL CL CL CL CL CL CL CL CL
PoP 12hr                     20          60          50           5           0
QPF 12hr                      0        0.18        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  C  C  C  C  C  S
Sprinkles
Tstms                         S  C  C  C  C  C  S


Date           05/03  Thu 05/04/17  Fri 05/05/17  Sat 05/06/17  Sun 05/07/17
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      64    84      61    76      54    75      56    79
Temp          85 79   66 66 84 77   65 62 75 72   58 55 73 70   59 58 75 72
Dewpt         49 54   61 63 65 67   63 62 59 57   55 54 55 56   54 55 53 56
PWind dir         E      SE     S      SW     W       W     W       W     W
Wind char        LT      LT    GN      GN    GN      LT    GN      LT    LT
Avg clouds    CL FW   B1 B2 B2 OV   B2 B2 B1 B1   B1 SC SC SC   SC FW FW SC
PoP 12hr          5      20    70      50    40      30    20      10    10
Rain shwrs             S  S  L  L    C  C  C  C    C  C  S  S
Tstms                  S  S  L  L    C  C  C  C    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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