Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 191430
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Point Forecast Matrices
National Weather Service Charleston SC
1029 AM EDT Sat Aug 19 2017

SCZ050-192100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1029 AM EDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      94          77          92          77          90
Temp                88 94 91 85 81 80 78 79 87 91 90 84 81 79 78 79 86 89 87 83
Dewpt               75 75 76 78 76 76 76 76 76 76 75 76 77 76 76 76 76 76 76 76
RH                  66 54 62 80 85 88 94 91 70 62 62 77 88 91 94 91 72 66 70 80
Wind dir            SW SW SW  S  S SW SW SW SW SE SE  S  S  S  S  E  E SE SE SE
Wind spd             5  8  8  6  4  3  2  0  4  5  8  6  4  2  0  1  4  5  8  5
Clouds              FW B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     30          20          20          20          30
QPF 12hr                   0.10           0        0.04        0.05        0.11
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  S           S  S  S  S  S  S  S  S  S  S  C  C  S
Tstms                   S  C  S           S  S  S  S  S  S  S  S  S  S  C  C  S
Heat index          98106103 97             98103101 93             96100 98 91
Max heat              106   106    92         103   103    92         100   100


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          77    91      76    92      76    90      74    87
Temp          79 78 89 83   78 78 90 83   78 77 88 82   76 76 86 80
Dewpt         75 76 76 76   75 75 76 76   76 76 76 76   74 73 74 73
PWind dir        SE    SE      SW    SW      SW    SW      NW    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC B1 B1   SC SC SC B1   B1 B1 B1 B1   B2 B2 B2 B2
PoP 12hr         20    30      20    30      30    50      50    50
Rain shwrs     S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
GAZ118-192100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1029 AM EDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      95          76          93          77          91
Temp                88 95 92 85 81 79 78 79 88 92 90 85 81 80 78 79 86 89 88 83
Dewpt               75 73 74 75 75 75 74 75 76 74 74 76 76 76 75 75 75 75 74 75
RH                  66 49 56 72 82 88 88 88 68 56 60 75 85 88 91 88 70 64 63 77
Wind dir            SW SW  S  S  S  S  S SW  S SE SE SE SE  S SE SE  E SE SE SE
Wind spd             4  6  6  5  2  2  1  0  3  6  9  8  4  3  1  1  4  6  6  6
Clouds              FW B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2
PoP 12hr                     40          20          20          10          30
QPF 12hr                   0.09           0        0.08           0        0.13
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  S           S  S  S  S              S  S  C  C  S
Tstms                   S  C  S           S  S  S  S              S  S  C  C  S
Heat index          98105102 94             99102 99 94             95 99 97 90
Max heat              105   105    90         102   102    91          99    99


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          76    92      76    92      76    91      75    89
Temp          78 78 90 83   78 78 91 84   78 78 90 83   78 77 87 81
Dewpt         75 75 75 75   75 74 75 75   75 74 75 76   74 74 75 74
PWind dir        SE    SE      SW    SW      SW    SW      NW    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   SC SC SC B1   B1 SC B1 B1   B1 B1 B2 B2
PoP 12hr         20    30      20    40      30    50      40    50
Rain shwrs     S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ050-192100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1029 AM EDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      92          80          91          79          89
Temp                87 92 90 85 82 81 80 81 87 90 89 85 82 81 80 80 85 88 87 83
Dewpt               78 77 77 78 77 77 76 76 77 76 76 77 77 77 76 77 77 76 76 76
RH                  75 62 66 80 85 88 88 85 72 64 66 77 85 88 88 91 77 68 70 80
Wind dir            SW SW  S  S  S SW SW SW SW SE SE  S  S  S  S SE SE SE SE SE
Wind spd             8 10 11  9  8  6  3  2  4  6  9  8  6  4  2  1  5  6  9  5
Clouds              FW B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     20          20          20          20          30
QPF 12hr                      0           0        0.04        0.07        0.11
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S              S  S  S  S  S  S  S  S  S  S  C  C  S
Tstms                   S  S              S  S  S  S  S  S  S  S  S  S  C  C  S
Heat index         100106103 96 90          99102100 95 90          95 99 98 91
Max heat              106   106    93         102   102    92          99    99


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    90      78    90      78    89      76    87
Temp          80 80 89 84   80 80 89 83   79 79 88 82   78 77 86 80
Dewpt         76 76 76 76   76 76 76 77   76 76 76 76   75 74 74 74
PWind dir        SE    SE      SW    SW      SW    SW      NW    NE
Wind char        LT    LT      LT    LT      GN    LT      LT    GN
Avg clouds    B1 SC B1 B1   SC SC SC B1   B1 B1 B1 B1   B2 B2 B2 B2
PoP 12hr         20    30      20    30      30    50      50    50
Rain shwrs     S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ048-192100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1029 AM EDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      94          77          93          77          90
Temp                88 94 91 85 82 80 79 79 88 92 90 85 81 80 78 79 86 89 87 83
Dewpt               76 75 76 77 76 76 75 76 76 75 75 76 76 76 76 76 76 75 75 75
RH                  68 54 62 77 82 88 88 91 68 58 62 75 85 88 94 91 72 64 68 77
Wind dir            SW SW SW  S  S SW SW SW  S SE SE SE  S  S SE SE  E SE SE SE
Wind spd             5  6  6  5  3  3  1  0  3  5  8  6  4  3  1  1  5  6  8  5
Clouds              FW B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1
PoP 12hr                     30          20          20          20          30
QPF 12hr                   0.08           0        0.05        0.05        0.11
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  S           S  S  S  S  S  S  S  S  S  S  C  C  S
Tstms                   S  C  S           S  S  S  S  S  S  S  S  S  S  C  C  S
Heat index          99106103 96             99103101 94             96 99 96 90
Max heat              106   106    94         103   103    91          99    99


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          76    91      76    91      76    90      74    87
Temp          78 78 90 83   78 78 90 83   78 78 89 82   77 76 86 80
Dewpt         75 75 75 75   75 75 75 75   75 75 75 76   74 74 74 73
PWind dir        SE    SE      SW    SW      SW    SW      NW    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC B1 B1   SC SC SC B1   B1 B1 B1 B1   B1 B1 B2 B2
PoP 12hr         20    30      20    30      30    50      40    50
Rain shwrs     S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ043-192100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1029 AM EDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      95          75          94          75          91
Temp                86 95 92 85 80 78 77 78 88 93 91 84 80 78 77 77 86 89 88 82
Dewpt               73 73 73 75 75 75 74 75 75 73 74 75 75 75 74 75 75 74 74 75
RH                  65 49 54 72 85 91 90 91 66 52 58 74 85 91 90 94 70 61 63 79
Wind dir            SW  W SW  S  S SW SW SW  S SE SE SE SE  S  E  E  E SE SE SE
Wind spd             4  5  5  4  2  1  0  0  2  4  5  5  3  2  0  1  4  4  5  4
Clouds              FW SC B1 SC SC SC SC SC SC B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1
PoP 12hr                     30          20          20          10          30
QPF 12hr                   0.10           0        0.01           0        0.11
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  S              S  S  S              S  S  C  C  S
Tstms                   S  C  S              S  S  S              S  S  C  C  S
Heat index          93105101 94             98102101 92             95 98 97
Max heat              105   104    90         102   102                98    98


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          74    92      74    92      75    91      73    87
Temp          77 77 91 83   77 77 91 83   77 77 89 82   76 75 86 79
Dewpt         74 74 75 75   74 74 74 75   74 74 75 75   73 72 72 72
PWind dir        SE    SE       S    SW      SW    SW       N    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC B1 B1   SC SC SC B1   B1 B1 B1 B2   B2 B1 B1 B2
PoP 12hr         20    30      20    40      30    50      40    50
Rain shwrs     S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$
GAZ099-192100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1029 AM EDT Sat Aug 19 2017

Date             Sat 08/19/17            Sun 08/20/17            Mon 08/21/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      96          74          95          76          92
Temp                87 95 92 85 80 78 76 78 89 94 92 85 81 79 77 78 87 91 89 83
Dewpt               72 69 68 70 71 71 71 73 74 71 72 74 74 75 74 75 76 74 74 75
RH                  61 43 46 61 74 79 85 85 61 47 52 70 79 88 90 91 70 58 61 77
Wind dir             W  W NW NW  S SW SE SE SE  E SE SE SE  S SE SE  E SE  E SE
Wind spd             3  4  4  1  1  0  0  0  2  4  5  6  4  2  1  1  4  5  8  4
Clouds              FW SC SC SC SC FW FW FW SC SC SC B1 B1 B1 B1 B1 B1 B1 B2 B2
PoP 12hr                     10          10          20          10          30
QPF 12hr                      0           0           0           0        0.12
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S              S  S  C  C  S
Tstms                                           S  S              S  S  C  C  S
Heat index          94101 96 90             98101100 93             98101 98 90
Max heat              101   100               101   101    90         101   101


Date          Tue 08/22/17  Wed 08/23/17  Thu 08/24/17  Fri 08/25/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          75    93      76    94      76    93      74    89
Temp          78 78 92 84   78 78 93 85   78 78 91 83   77 76 88 81
Dewpt         75 75 74 75   75 75 74 75   75 75 74 75   74 74 73 73
PWind dir        SE    SE       S    SW      SW    SW      NE    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC B1 B1   SC SC SC B1   B1 SC B1 B1   B1 B1 B1 B2
PoP 12hr         20    30      20    40      20    50      40    40
Rain shwrs     S  S  C  C    S  S  C  C    S  S  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    S  S  C  C    C  C  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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