Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
704 PM EDT Sun Apr 22 2018

SCZ050-230900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
704 PM EDT Sun Apr 22 2018

Date           04/22/18      Mon 04/23/18            Tue 04/24/18            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                      61          70          63          79          60
Temp             67 62 62 62 63 68 69 69 67 68 66 63 65 74 78 77 71 65 62 60 62
Dewpt            55 56 57 58 60 62 63 64 65 64 64 63 64 63 63 62 61 61 60 60 59
RH               65 81 84 87 90 81 81 84 93 87 93100 97 69 60 60 71 87 93100 90
Wind dir          E  E  E  E  E SE SE SE SE SE SE  S  S SW SW  S SW SW SW  W  W
Wind spd         12 10 10 11 14 23 23 20 18 13 12  8  6 10 12 11  6  5  5  4  5
Wind gust                       33 34
Clouds           OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC SC SC SC FW
PoP 12hr                     60         100          90          30          10
QPF 12hr                   0.11        2.01        0.94           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  C  C  L  D  C  L  L  L  L  C  S  S  C  C
Tstms                                     S  S              S  S


Date           04/25  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18
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          78      58    76      56    76      56    74      53    76
Temp          77 69   62 60 75 67   60 58 75 67   60 58 73 65   57 56 74 67
Dewpt         58 59   57 55 55 56   55 54 52 54   52 51 48 51   49 48 50 53
PWind dir         W       W     W       W    SW       W     W      NW     E
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC   SC SC B1 B1   SC FW SC SC   SC SC SC SC   FW FW FW FW
PoP 12hr         10      10    30      20    10      10    10       5     5
Rain shwrs                   C  C    S  S

$$
GAZ118-230900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
704 PM EDT Sun Apr 22 2018

Date           04/22/18      Mon 04/23/18            Tue 04/24/18            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                      63          74          62          79          59
Temp             66 64 63 64 65 70 74 73 70 67 65 62 63 72 78 78 70 65 61 59 60
Dewpt            58 59 60 62 63 65 66 66 66 65 64 62 62 60 59 59 60 59 58 58 57
RH               75 84 90 93 93 84 76 79 87 93 97100 97 66 52 52 71 81 90 96 90
Wind dir          E  E  E  E  E SE SE SE SE SE  S  S SW SW SW SW SW SW  W  W  W
Wind spd         16 12 13 13 13 17 16 16 12 10  6  5  4 10 11 10  5  4  4  4  5
Clouds           OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC SC B1 SC SC SC SC FW
PoP 12hr                     80         100          60          20          10
QPF 12hr                   0.36        1.55        0.16           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  D  D  D  C  C  C  C  C  S  S  S  S  S
Tstms                            S  S  S  S  S


Date           04/25  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18
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          79      58    76      55    77      55    75      53    78
Temp          78 70   62 60 75 67   59 58 75 67   59 57 74 65   57 56 76 68
Dewpt         56 57   57 55 54 55   54 53 52 53   52 51 48 50   50 48 49 53
PWind dir         W       W     W       W     W       W     W      NW    NE
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC   SC SC B1 B1   SC SC SC SC   SC SC SC SC   FW FW FW FW
PoP 12hr          5      10    20      10    10      10    10       5     5
Rain shwrs                   S  S

$$
SCZ050-230900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
704 PM EDT Sun Apr 22 2018

Date           04/22/18      Mon 04/23/18            Tue 04/24/18            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                      63          69          64          76          61
Temp             66 63 63 63 63 68 68 68 67 68 67 64 65 72 76 74 69 65 63 61 63
Dewpt            56 57 58 59 61 62 64 64 65 64 64 64 64 64 64 63 62 62 61 60 60
RH               70 81 84 87 93 81 87 87 93 87 90100 97 76 66 69 78 90 93 97 90
Wind dir          E  E  E  E  E SE SE SE SE SE SE  S  S SW  S  S  S SW  W  W  W
Wind spd         14 14 13 17 19 25 24 21 20 17 14 10  8 11 13 13  9  6  5  5  5
Clouds           OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC SC SC SC FW
PoP 12hr                     60         100          90          30          10
QPF 12hr                   0.10        1.87        1.05        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  S  C  L  D  C  L  L  L  L  C  C  C  C  C
Tstms                                     S  S              S  S


Date           04/25  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18
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          76      60    75      59    75      57    73      55    75
Temp          75 68   63 62 74 68   62 61 74 67   60 59 72 65   58 57 74 68
Dewpt         59 60   58 56 56 57   55 55 53 54   53 52 49 52   50 49 51 54
PWind dir        SW       W     W       W    SW       W     W      NW     E
Wind char        GN      LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   SC SC B1 B1   SC FW SC SC   SC SC SC SC   FW FW FW FW
PoP 12hr         10      10    20      20    10      10    10       5     5
Rain shwrs                   S  S    S  S

$$
SCZ048-230900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
704 PM EDT Sun Apr 22 2018

Date           04/22/18      Mon 04/23/18            Tue 04/24/18            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                      62          71          63          78          60
Temp             66 63 63 63 65 69 71 70 67 67 66 63 64 72 77 77 70 65 62 60 61
Dewpt            58 58 59 61 62 64 66 66 66 65 64 63 64 62 61 61 61 61 60 59 59
RH               75 84 87 93 90 84 84 87 97 93 93100100 71 58 58 73 87 93 96 93
Wind dir          E  E  E  E  E SE SE SE SE SE SE  S SW SW SW SW SW SW  W  W  W
Wind spd         13 11 10 12 13 17 17 16 13 10  8  6  4 10 10  9  4  4  5  4  5
Clouds           OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW
PoP 12hr                     70         100          70          20          10
QPF 12hr                   0.25        2.06        0.35           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  C  L  D  D  C  C  C  C  C  S  S  S  S  S
Tstms                               S  S  S  S


Date           04/25  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18
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          78      58    76      56    76      56    75      53    76
Temp          77 68   62 60 75 67   60 58 75 67   60 58 74 65   57 56 74 68
Dewpt         58 59   57 55 55 56   54 54 53 54   52 51 48 51   50 47 50 54
PWind dir         W       W     W       W     W       W     W      NW    NE
Wind char        LT      LT    LT      LT    LT      GN    GN      LT    GN
Avg clouds    SC SC   SC SC B1 B1   SC FW SC SC   SC SC SC SC   FW FW FW FW
PoP 12hr         10      10    30      20    10      10    10       5     5
Rain shwrs                   C  C    S  S

$$
SCZ043-230900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
704 PM EDT Sun Apr 22 2018

Date           04/22/18      Mon 04/23/18            Tue 04/24/18            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                      60          70          61          79          57
Temp             66 61 60 60 62 67 70 68 65 65 64 61 63 72 78 78 70 63 60 58 59
Dewpt            55 55 56 58 60 62 64 65 64 64 64 61 63 61 60 59 59 59 58 58 57
RH               68 81 87 93 93 84 81 90 97 97100100100 68 54 52 68 87 93100 93
Wind dir          E  E  E  E  E SE SE SE SE SE SE  S  S SW SW SW SW SW  W  W  W
Wind spd         10  8  9  9 11 17 16 14 12 10  8  5  4  9  9  8  4  3  3  3  3
Clouds           OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 SC SC SC SC FW
PoP 12hr                     70         100          80          20          10
QPF 12hr                   0.20        2.22        0.47           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  L  D  D  C  C  C  L  C  C  S  S  S  S
Tstms                               S  S  S  S


Date           04/25  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18
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          79      56    75      53    77      53    75      50    78
Temp          78 69   60 58 74 65   57 56 75 66   58 56 73 64   55 53 76 67
Dewpt         56 57   55 54 53 55   53 53 50 52   50 50 46 48   48 46 48 51
PWind dir         W       W     W       W     W       W     W      NW     N
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    SC SC   SC SC B1 B1   SC FW SC SC   SC SC SC SC   FW FW FW FW
PoP 12hr         10      10    30      20    10      10    10       5     5
Rain shwrs                   C  C    S  S

$$
GAZ099-230900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
704 PM EDT Sun Apr 22 2018

Date           04/22/18      Mon 04/23/18            Tue 04/24/18            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                      62          75          59          78          57
Temp             67 63 63 63 63 68 74 74 70 65 63 60 60 70 76 78 72 64 61 58 59
Dewpt            57 58 60 61 63 65 66 66 66 65 63 60 59 58 58 58 58 58 58 58 57
RH               70 84 90 93100 90 76 76 87100100100 96 66 54 50 61 81 90100 93
Wind dir         SE  E  E SE SE SE SE SE SE SE  S SW SW  W  W  W  W  W  W  W  W
Wind spd         12 12 13 13 12 11 11 10 10  9  4  4  3  8  9  8  4  3  4  3  4
Clouds           OV OV OV OV OV OV OV B2 B2 B1 B1 B1 SC SC B1 B1 B1 SC SC SC FW
PoP 12hr                    100         100          60          20          10
QPF 12hr                   0.48        0.77        0.17           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  L  D  D  D  C  C  C  C  C     S  S  S  S
Tstms                            S  S  S  S  S


Date           04/25  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18  Sun 04/29/18
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          78      57    74      54    76      52    74      51    78
Temp          76 72   61 59 73 65   58 57 74 65   57 55 72 64   55 54 76 67
Dewpt         55 56   56 55 53 55   53 52 51 53   50 50 48 49   48 47 47 51
PWind dir         W       W     W       W     W       W     W      NW     N
Wind char        GN      LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    SC SC   SC B1 B1 B1   FW FW SC SC   SC SC SC FW   FW FW FW FW
PoP 12hr          5      20    30      10    10      10    10       5     5
Rain shwrs             S  S  C  C

$$

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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