Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
951 PM EDT Thu Apr 18 2024

SCZ050-191700-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
951 PM EDT Thu Apr 18 2024

Date           04/18/24      Fri 04/19/24            Sat 04/20/24            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                      65          88          66          89          64
Temp                69 67 66 67 84 87 86 77 71 69 67 69 84 89 84 76 70 67 64 64
Dewpt               64 63 63 63 65 64 64 65 66 66 65 66 67 66 67 67 67 66 64 63
RH                  84 87 90 87 53 46 48 67 84 90 93 90 57 47 57 74 90 97100 97
Wind dir            SW SW SW SW  W SW  S  S  S SW SW  W  W  W SW SW NE NE NE NE
Wind spd             4  3  3  2  5  8  9  8  5  5  4  4  5  8  8  5  5  4  5  5
Clouds              FW FW FW FW FW B1 FW SC SC SC SC SC FW SC SC B2 B1 B1 B2 B2
PoP 12hr                      0          20          10          40          40
QPF 12hr                      0           0           0        0.05        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S                    C  C  C  C  C  C  C
Tstms                               S  S                    C  C  C  C
Heat index                                                 92
Max heat                                                   92    90


Date           04/21  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24
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          74      55    67      52    75      56    83      60    79
Temp          74 66   59 56 66 62   54 54 73 65   58 59 81 73   64 61 78 70
Dewpt         62 60   57 53 53 52   51 50 51 53   55 57 56 60   59 55 54 55
PWind dir        NE       N     N       N     E       S    SW       E     E
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B2   OV B2 B2 B1   SC FW FW FW   FW FW FW FW   FW SC SC FW
PoP 12hr         70      80    20       5     5       5    10      10    10
Rain shwrs     C  L    D  C  S
Tstms             C    S

$$
GAZ118-191700-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
951 PM EDT Thu Apr 18 2024

Date           04/18/24      Fri 04/19/24            Sat 04/20/24            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                      65          90          67          90          66
Temp                72 70 66 66 80 88 90 80 72 70 68 69 84 90 87 79 72 70 67 67
Dewpt               63 62 62 62 65 62 63 64 65 64 64 65 66 65 65 66 67 66 65 64
RH                  73 76 87 87 60 42 41 58 79 81 87 87 55 44 48 64 84 87 93 90
Wind dir             S SW SW SW  W SW SW  S  S SW  W  W  W  W  W SW SW  W NW  N
Wind spd             3  3  2  2  5  6  8  6  5  4  4  4  5  8  8  4  3  3  4  4
Clouds              FW FW FW FW FW FW FW FW SC SC FW FW FW SC B1 B1 B1 B1 B1 B2
PoP 12hr                      5          10          10          40          30
QPF 12hr                      0           0           0        0.07        0.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C        S
Tstms                                                       C  C  C  C
Heat index                            91                   92
Max heat                                 91                92    91


Date           04/21  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24
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      57    69      53    75      57    83      61    82
Temp          79 70   62 57 68 65   55 54 73 67   59 59 81 74   65 62 81 72
Dewpt         63 60   58 54 53 52   51 51 51 53   55 56 55 58   58 57 55 56
PWind dir        NE       N     N      NE     E       S    SW      SW     E
Wind char        GN      LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2   B2 B2 B2 B2   SC FW FW FW   FW FW FW FW   FW FW SC SC
PoP 12hr         60      70    20       5     5       5    10       5    10
Rain shwrs     S  L    L  C  S
Tstms             C    S

$$
SCZ050-191700-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
951 PM EDT Thu Apr 18 2024

Date           04/18/24      Fri 04/19/24            Sat 04/20/24            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          85          67          86          65
Temp                71 70 68 70 82 84 83 74 70 68 67 68 82 86 81 74 70 67 65 65
Dewpt               65 65 65 64 66 65 66 66 67 66 66 67 68 67 68 68 68 67 65 64
RH                  81 84 90 81 58 53 57 76 90 93 97 97 63 53 65 82 93100100 97
Wind dir            SW SW SW SW SW  S  S  S  S SW SW  W  W SW SW SW NE NE NE NE
Wind spd             5  3  4  2  6 10 12  9  9  8  6  6  8  9 10  8  8  5  8  8
Clouds              FW FW FW FW FW B1 FW SC SC SC SC SC FW SC SC B2 B1 B1 B2 B2
PoP 12hr                      0          20          10          30          40
QPF 12hr                      0           0           0        0.04        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S                    C  C  C  C  C  C  C
Tstms                                  S                    C  C  C  C  S  S


Date           04/21  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24
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          74      57    67      54    72      59    80      62    77
Temp          74 66   59 57 66 62   56 55 72 64   59 61 80 71   65 62 76 68
Dewpt         63 61   58 55 53 53   52 51 52 55   57 58 58 61   61 57 56 57
PWind dir        NE       N     N       N     E       S    SW      NW    NE
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B2 B2   OV OV B2 B1   SC FW FW FW   FW FW FW FW   FW SC SC SC
PoP 12hr         60      80    20       5     5       5    10      10    10
Rain shwrs     C  L    D  C  S
Tstms             C    S

$$
SCZ048-191700-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
951 PM EDT Thu Apr 18 2024

Date           04/18/24      Fri 04/19/24            Sat 04/20/24            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                      65          88          67          89          64
Temp                72 70 67 67 79 87 85 76 71 70 67 69 82 88 84 76 70 68 66 65
Dewpt               65 64 64 62 66 64 66 67 66 66 65 66 67 66 68 68 68 67 65 65
RH                  79 81 90 84 64 46 53 74 84 87 93 90 61 48 59 76 93 97 97100
Wind dir             S SW SW SW  W SW  S  S  S SW  W  W  W  W SW SW SW NW NE NE
Wind spd             3  3  2  1  5  5  9  6  5  4  4  4  5  6  8  4  4  3  4  5
Clouds              FW FW FW FW FW SC FW FW SC SC FW FW FW SC SC B1 B1 B1 B1 B2
PoP 12hr                      0          20          10          40          40
QPF 12hr                      0           0           0        0.05        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S                    C  C  C  C  S  S  C
Tstms                                  S                    C  C  C  C
Heat index                                                 90
Max heat                                                   90    91


Date           04/21  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24
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      56    68      53    75      58    83      61    80
Temp          76 67   61 57 66 63   55 55 73 65   59 60 81 73   64 62 78 70
Dewpt         64 61   58 55 54 53   51 51 52 55   57 58 57 61   59 57 56 57
PWind dir        NE       N     N       N     E       S    SW       W     E
Wind char        GN      GN    GN      LT    LT      LT    GN      LT    GN
Avg clouds    B2 B2   OV B2 B2 B2   SC FW FW FW   FW FW FW FW   FW SC SC FW
PoP 12hr         60      70    20       5     5       5    10       5    10
Rain shwrs     C  L    L  C  S
Tstms             C    S

$$
SCZ043-191700-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
951 PM EDT Thu Apr 18 2024

Date           04/18/24      Fri 04/19/24            Sat 04/20/24            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                      61          89          64          89          60
Temp                69 66 63 64 81 87 88 77 70 67 65 67 82 88 87 75 68 64 62 61
Dewpt               62 61 62 61 65 63 62 66 66 66 65 66 67 65 64 66 66 64 62 61
RH                  78 84 97 90 58 45 42 69 87 97100 97 61 47 46 74 93100100100
Wind dir             N  N  N  N  W SW SW  S  S SW SW  W NW  W  W NW NE NE NE NE
Wind spd             0  0  0  0  4  5  6  4  4  3  3  3  5  6  6  4  4  3  4  5
Clouds              FW FW FW FW SC SC FW SC SC SC SC SC FW SC SC B1 B1 B1 B2 B2
PoP 12hr                      0          30          20          50          40
QPF 12hr                      0        0.03           0        0.03        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  S                 C  C  C  C  C  C  C
Tstms                               S  C  S                 C  C  C  C
Heat index                                                 90
Max heat                                                   90    90


Date           04/21  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24
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          73      52    66      48    76      53    83      56    79
Temp          73 64   56 53 65 61   51 51 73 65   55 56 80 73   62 58 78 70
Dewpt         60 57   55 53 51 51   49 49 49 53   54 56 55 58   56 54 53 54
PWind dir        NE       N     N      NE     E       S    SW       E     E
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B2   OV B2 B2 B1   SC FW FW FW   FW FW FW FW   FW SC SC FW
PoP 12hr         70      70    20       5     5       5    10      10    10
Rain shwrs     C  L    L  C  S
Tstms             C

$$
GAZ099-191700-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
951 PM EDT Thu Apr 18 2024

Date           04/18/24      Fri 04/19/24            Sat 04/20/24            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                      62          90          67          89          64
Temp                71 67 64 65 80 88 90 81 74 71 68 69 82 88 87 78 71 68 65 65
Dewpt               61 60 62 62 65 62 60 63 64 64 64 65 66 63 61 64 65 63 61 61
RH                  71 78 93 90 60 42 37 54 71 79 87 87 58 43 42 62 81 84 87 87
Wind dir             N  N  N  N  W  W  W  W SW  W  W  W  W  W  W  W NW  W  N NE
Wind spd             0  0  0  0  5  8  9  4  3  4  3  4  5  8  8  4  4  3  4  4
Clouds              FW FW FW SC FW FW FW FW SC SC FW FW FW SC B1 B1 B1 B1 B1 B2
PoP 12hr                     10          10          10          50          30
QPF 12hr                      0           0           0        0.02        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  S  S  C
Tstms                                                       C  C  S  S
Heat index                            90
Max heat                                 90


Date           04/21  Mon 04/22/24  Tue 04/23/24  Wed 04/24/24  Thu 04/25/24
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      54    69      50    77      55    84      59    83
Temp          78 66   58 55 68 64   53 52 74 69   57 57 81 75   63 60 81 72
Dewpt         59 56   55 52 50 49   49 49 48 51   53 55 53 55   56 54 52 53
PWind dir        NE       N     N      NE     E       S     W       N    NE
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B2   B2 B2 B2 B1   SC FW FW FW   FW FW FW FW   FW FW SC FW
PoP 12hr         70      70    10       5     5       5    10      10    10
Rain shwrs     C  L    L  C
Tstms             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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