Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
636 AM EDT Thu Jun 22 2017

SCZ050-230145-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
636 AM EDT Thu Jun 22 2017

Date             Thu 06/22/17            Fri 06/23/17            Sat 06/24/17
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                      88          76          90          76          93
Temp             78 84 88 86 82 78 76 76 79 85 90 89 83 79 78 76 79 88 93 90 83
Dewpt            75 75 74 75 74 75 74 74 75 74 74 74 74 74 74 74 75 73 73 74 74
RH               91 74 63 70 77 91 94 94 88 70 60 61 74 85 88 94 88 61 52 60 74
Wind dir          S  S  S  S  S  S  S  S SW  S  S  S  S  S  S SW SW SW SW SW  S
Wind spd          0  3  8  8  6  5  5  6  8  9 10 11 11 11 11 10 10 11 12 11  9
Clouds           B2 B1 B2 B1 SC B1 B2 B2 B2 B1 B1 SC FW SC SC SC SC SC B1 B1 B1
PoP 12hr                     40          10          20           5          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  S                                            C  C  C
Tstms                S  C  S                                            C  C  C
Heat index          92 97 95                93 99 98 90             96102 99 90
Max heat               97    97                99    99               102   102


Date          Sun 06/25/17  Mon 06/26/17  Tue 06/27/17  Wed 06/28/17
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    88      73    86      71    85      68    86
Temp          77 78 88 82   75 76 86 81   73 73 85 79   71 71 85 78
Dewpt         75 74 74 74   72 71 71 72   70 68 68 67   65 64 64 64
PWind dir        SW    SW       S    SW       W    NE      NE    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B2   B2 B2 B2 B2   B1 B1 B1 B1   SC SC SC FW
PoP 12hr         40    50      40    50      40    30      10    10
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C
Tstms          C  C  C  C    C  C  C  C    C  C  C  C

$$
GAZ118-230145-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
636 AM EDT Thu Jun 22 2017

Date             Thu 06/22/17            Fri 06/23/17            Sat 06/24/17
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                      89          76          92          75          94
Temp             79 85 89 87 82 79 77 76 78 86 91 90 85 80 77 75 78 88 93 92 84
Dewpt            75 75 75 74 75 75 74 73 74 74 74 73 74 74 73 73 73 73 72 72 74
RH               88 72 64 65 79 88 90 90 88 68 58 58 70 82 87 94 85 61 51 52 72
Wind dir         SE SE SE SE SE  S  S  S  S  S  S  S  S  S  S SW SW SW SW SW SW
Wind spd          0  5  8  9  8  5  5  5  5  8 10 10 10 10  9  9  9 10 10  9  6
Clouds           B1 B1 B1 B1 B1 B2 B1 SC B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1
PoP 12hr                     40          10          20           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C                    S                       S  S  C
Tstms                S  C  C                    S                       S  S  C
Heat index          94 99 95                94101 98 93             96101100 91
Max heat               99    99               101   102    90         101   102


Date          Sun 06/25/17  Mon 06/26/17  Tue 06/27/17  Wed 06/28/17
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    90      74    87      72    86      69    86
Temp          77 78 90 83   76 76 87 81   74 74 86 79   71 72 86 80
Dewpt         74 74 74 74   73 72 72 72   70 68 68 68   67 66 65 66
PWind dir        SW    SW       S    SW      SW    NE      NE    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B2   B2 B2 B2 B2   B1 B1 B1 B1   SC SC SC SC
PoP 12hr         30    50      40    50      30    30      10    10
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C
Tstms          C  C  C  C    C  C  C  C    C  C  C  C

$$
SCZ050-230145-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
636 AM EDT Thu Jun 22 2017

Date             Thu 06/22/17            Fri 06/23/17            Sat 06/24/17
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                      84          79          88          78          91
Temp             79 83 84 83 82 80 80 79 82 84 88 87 82 80 79 78 80 87 91 89 83
Dewpt            76 76 75 75 75 75 75 75 75 76 75 75 74 74 75 75 75 74 74 74 75
RH               91 80 74 77 79 85 85 88 79 77 66 68 77 82 88 91 85 65 58 61 77
Wind dir         SW  S  S  S  S  S  S SW SW SW  S  S  S  S  S SW SW SW SW SW SW
Wind spd          1  5  9  9  8  8  6  8 10 11 12 12 13 13 13 12 12 13 14 13 11
Clouds           B1 B1 B1 B1 SC B1 B2 B2 B2 B1 B1 SC FW FW SC SC SC SC SC B1 B1
PoP 12hr                     30          10          10           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C                                               S  S  C
Tstms                S  C                                               S  S  C
Heat index          91 92 90                93 97 96                95100 98 90
Max heat               92    92                98    98               101    99


Date          Sun 06/25/17  Mon 06/26/17  Tue 06/27/17  Wed 06/28/17
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    87      74    86      73    84      70    85
Temp          78 79 87 81   76 76 86 81   74 75 84 79   72 73 85 79
Dewpt         75 75 75 74   73 71 72 72   70 68 68 68   66 64 64 64
PWind dir        SW    SW       S    SW       W    NE      NE    NE
Wind char        GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B2   B2 B2 B2 B2   B1 B1 B1 B1   SC SC SC SC
PoP 12hr         40    50      40    50      40    30      10    10
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C
Tstms          C  C  C  C    C  C  C  C    C  C  C  C

$$
SCZ048-230145-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
636 AM EDT Thu Jun 22 2017

Date             Thu 06/22/17            Fri 06/23/17            Sat 06/24/17
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                      87          76          90          76          92
Temp             80 85 87 85 80 78 77 76 79 85 89 89 82 80 78 76 79 87 92 89 82
Dewpt            75 74 75 75 75 75 75 74 74 74 74 75 74 73 73 73 73 72 72 73 74
RH               85 70 68 72 85 91 94 94 85 70 61 64 77 79 85 90 82 61 52 59 77
Wind dir         SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW SW SW SW  S
Wind spd          0  4  9  9  8  6  5  5  6  9 10 10 10 11 11 10 10 11 11 10  9
Clouds           B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC B1 B1 B1
PoP 12hr                     40          10          20           5          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  S                                            C  C  C
Tstms                S  C  S                                            C  C  C
Heat index          93 96 94                93 98 99                94100 97
Max heat               96    96                98    99               100   100


Date          Sun 06/25/17  Mon 06/26/17  Tue 06/27/17  Wed 06/28/17
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    88      73    86      72    86      69    86
Temp          77 77 88 82   74 76 86 81   74 75 85 80   71 72 86 79
Dewpt         75 74 74 74   73 72 72 72   70 68 68 67   66 64 64 65
PWind dir        SW    SW       S    SW       W     N      NE    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B2   B2 B2 B2 B2   B1 B2 B1 B1   SC SC SC FW
PoP 12hr         40    50      40    50      30    30      10    10
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C
Tstms          C  C  C  C    C  C  C  C    C  C  C  C

$$
SCZ043-230145-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
636 AM EDT Thu Jun 22 2017

Date             Thu 06/22/17            Fri 06/23/17            Sat 06/24/17
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                      87          73          92          74          93
Temp             77 83 87 85 81 76 74 73 77 86 92 90 84 78 76 74 77 87 93 91 83
Dewpt            74 74 73 75 74 74 73 73 74 73 72 73 73 73 73 73 73 72 71 72 73
RH               90 74 63 72 79 94 97100 90 65 52 58 70 85 90 97 87 61 49 54 72
Wind dir          E  S  S  S  S  S  S  S  S  S SW  S  S  S  S SW SW SW SW SW SW
Wind spd          0  3  5  6  6  3  3  3  3  5  8  9  9  9  9  9 10 11 11  9  6
Clouds           B2 B1 B1 B1 B1 B2 B2 B1 B2 B1 B1 SC SC SC SC SC SC SC B1 B1 B1
PoP 12hr                     50          20          20           5          30
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C  S                 S  S              S  S  C  C  C
Tstms                S  C  C  S                 S  S              S  S  C  C  C
Obvis            PF
Heat index          90 94 94                93100 98 90             94100 99
Max heat               94    95               100   101               100   100


Date          Sun 06/25/17  Mon 06/26/17  Tue 06/27/17  Wed 06/28/17
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    88      72    87      70    86      66    87
Temp          76 77 88 82   74 75 87 81   72 72 85 79   68 69 86 77
Dewpt         74 74 72 73   72 71 70 71   70 68 67 65   64 62 63 64
PWind dir        SW     W      SE    SW       W     N      NE    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B2 B2   B2 B2 B2 B2   B1 B1 B1 SC   SC SC SC FW
PoP 12hr         40    50      40    50      30    20      10    10
Rain shwrs     C  C  C  C    C  C  C  C    C  C  S  S
Tstms          C  C  C  C    C  C  C  C    C  C  S  S

$$
GAZ099-230145-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
636 AM EDT Thu Jun 22 2017

Date             Thu 06/22/17            Fri 06/23/17            Sat 06/24/17
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                      89          74          92          75          93
Temp             76 83 89 87 83 77 75 74 76 85 91 91 86 79 77 75 78 86 92 92 86
Dewpt            74 75 75 74 75 75 74 74 74 74 73 73 73 74 74 74 75 74 73 72 73
RH               94 77 64 65 77 94 97100 94 70 56 56 65 85 90 97 91 68 54 52 65
Wind dir          E SE SE SE SE  S  S  S  S  S SW  S  S  S SW SW SW SW  W  W  W
Wind spd          0  4  5  8  5  3  2  2  2  5  8  8  6  6  8  9  9 11 11  9  5
Clouds           B2 B2 B2 B2 B2 SC B1 SC B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1
PoP 12hr                     50          30          20          10          30
QPF 12hr                   0.17           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  S              S  S              S  S  C  C  C
Tstms                   S  C  C  S              S  S              S  S  C  C  C
Obvis             F
Heat index          90 99 95 90             93100100 93             94101100 93
Max heat               99    99               100   101               101   102


Date          Sun 06/25/17  Mon 06/26/17  Tue 06/27/17  Wed 06/28/17
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    90      72    87      69    87      68    86
Temp          76 76 90 85   74 74 86 81   72 71 86 81   70 71 85 80
Dewpt         73 73 71 72   71 70 69 69   68 66 66 66   65 65 65 65
PWind dir         W    NW      NW     W       W    NE      NE    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B1 B1   B2 B2 B2 B1   B1 B1 SC SC   SC SC SC FW
PoP 12hr         30    50      40    40      30    20      10    10
Rain shwrs     C  C  C  C    C  C  C  C    C  C  S  S
Tstms          C  C  C  C    C  C  C  C    C  C  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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