Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
1228 AM EDT Wed Apr 25 2018

SCZ050-260900-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1228 AM EDT Wed Apr 25 2018

Date           04/24/18      Wed 04/25/18            Thu 04/26/18            Fri
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                      59          80          58          77          58
Temp                   62 60 61 71 78 79 70 63 60 59 61 72 77 77 70 64 61 59 60
Dewpt                  58 57 57 57 56 57 58 59 57 56 57 57 57 58 59 60 59 58 58
RH                     87 90 87 61 47 47 66 87 90 90 87 59 50 52 68 87 93 96 93
Wind dir               SW  W  W  W  W  W  W  W  W NW  N  E  S  S  S  S  S SW  W
Wind spd                4  4  6  8  9  8  5  3  2  2  2  5  6  6  3  2  3  3  3
Clouds                 SC SC FW FW SC SC SC FW SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                      0          10           0          10          40
QPF 12hr                      0           0           0           0        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  S


Date           04/27  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18  Tue 05/01/18
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    77      56    77      56    78      57    80
Temp          77 67   59 59 76 68   58 59 76 69   58 59 76 69   59 60 77 69
Dewpt         56 58   56 55 51 54   53 51 50 53   53 54 52 54   54 55 54 55
PWind dir        SW       W     W      NW    NE      SE     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20      20    10       5     5       5     5       5     5
Rain shwrs     S  S    S  S

$$
GAZ118-260900-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1228 AM EDT Wed Apr 25 2018

Date           04/24/18      Wed 04/25/18            Thu 04/26/18            Fri
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                      59          80          58          79          58
Temp                   64 61 60 72 77 80 72 64 60 58 60 74 78 78 70 65 61 58 59
Dewpt                  56 56 55 56 55 55 57 57 56 56 56 56 56 57 58 59 58 58 57
RH                     75 84 84 57 47 42 59 78 87 93 87 53 47 48 66 81 90100 93
Wind dir                W  W  W  W  W  W  W  W  W  W NW SE  S  S SE  S SW SW SW
Wind spd                4  5  8 10 10 10  6  3  2  1  2  5  5  6  3  2  2  2  3
Clouds                 SC FW FW FW FW SC SC FW FW SC SC B1 B1 B2 B2 B2 B1 B1 B1
PoP 12hr                      0           5           0          20          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                     S  C  C  S  S  S


Date           04/27  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18  Tue 05/01/18
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      56    78      55    79      56    79      59    80
Temp          77 69   59 58 77 69   59 58 78 71   60 59 78 71   61 61 78 72
Dewpt         55 56   55 53 49 52   51 50 50 54   54 54 51 55   55 57 53 55
PWind dir        SW       W     W      NW    NE       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC   SC SC SC FW   FW FW FW FW   FW FW FW FW   FW FW SC FW
PoP 12hr         20      20    10       5     5       5     5       5     5
Rain shwrs     S  S    S  S

$$
SCZ050-260900-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1228 AM EDT Wed Apr 25 2018

Date           04/24/18      Wed 04/25/18            Thu 04/26/18            Fri
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          79          60          75          60
Temp                   63 61 62 71 77 77 69 64 62 60 62 71 74 74 68 64 62 60 61
Dewpt                  60 59 58 58 57 58 59 60 58 57 57 58 58 59 60 61 60 59 59
RH                     90 93 87 63 50 52 70 87 87 90 84 63 57 59 76 90 93 96 93
Wind dir                W  W  W  W  W SW  W  W  W NW  N  E  S  S  S  S  S SW  W
Wind spd                6  6  8  8 10 11  8  5  3  2  3  5  9 10  4  3  4  4  4
Clouds                 SC SC FW FW SC SC SC FW SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1
PoP 12hr                      0           5           0          10          40
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  S


Date           04/27  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18  Tue 05/01/18
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      59    75      58    75      58    75      60    77
Temp          75 67   61 60 74 67   60 60 75 68   60 60 74 68   61 62 75 68
Dewpt         58 59   58 55 52 56   54 52 51 54   55 54 53 55   55 56 55 56
PWind dir        SW      SW     W      NW    NE      SE     E       E     E
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC   SC SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20      20    10       5     5       5     5       5     5
Rain shwrs     S  S    S  S

$$
SCZ048-260900-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1228 AM EDT Wed Apr 25 2018

Date           04/24/18      Wed 04/25/18            Thu 04/26/18            Fri
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          80          58          78          58
Temp                   66 63 61 72 78 79 71 65 61 59 61 72 77 76 68 64 62 59 60
Dewpt                  57 56 56 57 56 57 58 58 57 57 57 57 57 58 59 60 59 58 58
RH                     73 78 84 59 47 47 63 78 87 93 87 59 50 54 73 87 90 96 93
Wind dir                W  W  W  W  W  W  W  W  W NW  N  E  S  S  S  S SW SW  W
Wind spd                5  5  8 10 10  9  6  4  3  2  2  5  6  6  3  2  3  3  3
Clouds                 SC FW FW FW SC SC SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B1 B1
PoP 12hr                      0           5           0          20          30
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                     S  C  C  C  C  S


Date           04/27  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18  Tue 05/01/18
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          77      57    77      57    77      57    78      59    79
Temp          76 69   60 58 75 68   59 59 76 69   60 60 76 70   60 61 78 69
Dewpt         56 58   56 54 51 54   52 51 51 54   54 54 53 55   55 56 54 56
PWind dir        SW       W     W      NW    NE       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC   SC SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20      20    10       5     5       5     5       5     5
Rain shwrs     S  S    S  S

$$
SCZ043-260900-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1228 AM EDT Wed Apr 25 2018

Date           04/24/18      Wed 04/25/18            Thu 04/26/18            Fri
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                      57          79          56          78          55
Temp                   60 57 59 70 77 79 70 62 59 56 59 71 77 78 69 62 59 56 57
Dewpt                  56 55 56 56 55 55 56 57 56 55 55 56 56 56 57 58 57 56 56
RH                     87 93 90 61 47 44 61 84 90 96 87 59 48 47 66 87 93100 96
Wind dir                W  W  W  W  W  W  W  W  W NW  N  E SW  S  S  S  S SW  W
Wind spd                4  4  6  9  9  8  4  3  2  2  2  4  5  4  2  2  2  2  2
Clouds                 SC FW FW SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                      5          10           0          20          40
QPF 12hr                      0           0           0           0        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                     S  C  C  C  C  S


Date           04/27  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18  Tue 05/01/18
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          77      54    77      53    78      53    80      55    80
Temp          76 68   57 56 75 68   56 56 77 69   56 56 78 70   57 58 78 70
Dewpt         54 56   54 53 49 52   50 49 49 51   51 52 50 52   53 55 52 53
PWind dir        SW       W     W      NW    NE       E     E       E     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20      20    10       5     5       5     5       5     5
Rain shwrs     S  S    S  S

$$
GAZ099-260900-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1228 AM EDT Wed Apr 25 2018

Date           04/24/18      Wed 04/25/18            Thu 04/26/18            Fri
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                      56          78          56          78          56
Temp                   60 57 58 69 75 78 72 63 59 57 58 72 78 77 69 63 60 57 57
Dewpt                  56 56 56 56 55 55 56 56 56 55 55 56 55 55 57 58 57 57 56
RH                     87 96 93 63 50 45 57 78 90 93 90 57 45 47 66 84 90100 96
Wind dir                W  W  W  W  W  W  W  W  W NW  N  N  W SW  W  W SW SW  W
Wind spd                4  5  8 10 11 10  6  4  3  2  2  3  6  6  3  2  2  2  3
Clouds                 FW FW FW FW SC SC SC FW FW SC B1 B1 B2 B2 B2 B2 B1 B1 B1
PoP 12hr                      5           5           0          20          40
QPF 12hr                      0           0           0        0.02        0.14
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                     S  C  C  C  C  S


Date           04/27  Sat 04/28/18  Sun 04/29/18  Mon 04/30/18  Tue 05/01/18
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          77      54    77      54    79      55    81      57    82
Temp          76 70   58 55 74 70   57 56 78 72   58 57 79 73   60 60 79 74
Dewpt         54 55   54 52 48 50   50 49 48 52   53 52 49 52   54 56 53 52
PWind dir         W       W    NW      NW    NE       E     E      SE     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC   SC SC SC FW   FW FW FW FW   FW FW FW FW   FW FW SC SC
PoP 12hr         20      20    10       5     5       5     5       5     5
Rain shwrs     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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