Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 201513
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Point Forecast Matrices
National Weather Service Charleston SC
1112 AM EDT Wed Sep 20 2017

SCZ050-202100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1112 AM EDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      90          72          90          71          87
Temp                   90 87 78 75 74 72 73 85 90 88 79 76 73 72 72 82 87 84 77
Dewpt                  69 70 71 72 71 71 71 71 69 70 71 71 71 71 70 70 69 72 72
RH                     50 57 79 90 90 97 93 63 50 55 77 85 93 97 93 67 55 67 85
Wind dir               SW SW SW SW SW SW  W NW SE SE  S  S  S  E  N NE  E  E  E
Wind spd                4  4  4  3  3  2  2  3  3  6  4  3  2  1  2  4  6  6  6
Clouds                 SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     10          10          30          20          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  S  S        C  C  C  C
Tstms                                        S  C  C  S  S        S  S  S  S
Heat index             95 92                90 95 93                   91 90
Max heat               95    95                96    95                91    91


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          69    85      67    84      67    85      68    87
Temp          71 70 85 76   69 68 84 75   70 68 85 76   71 69 86 77
Dewpt         69 68 67 67   67 66 66 68   67 66 67 69   68 66 67 68
PWind dir         E     E      NE    NE       N     N      NW    NW
Wind char        LT    GN      LT    LT      LT    GN      LT    LT
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         10    20       5     5      10    10      10     5
Rain shwrs           S  S

$$
GAZ118-202100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1112 AM EDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      91          72          90          71          87
Temp                   90 89 81 77 74 72 72 84 90 88 80 76 74 72 72 83 87 85 77
Dewpt                  68 69 71 71 71 70 70 71 68 69 71 71 71 71 70 70 68 70 72
RH                     49 52 72 82 90 93 93 65 49 54 74 85 90 97 93 65 53 61 85
Wind dir               SW SW SW  S  S SW  W NW  E SE SE SE SE  E NE NE  E  E  E
Wind spd                4  3  3  3  2  2  2  2  4  6  5  3  2  1  2  5  8  8  6
Clouds                 SC SC B1 B1 SC SC SC SC B1 SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     10          10          30          20          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  S  S        C  C  C  C
Tstms                                        S  C  C  S  S        S  S  S  S
Heat index             94 94                   94 92                   91 90
Max heat               94    95                94    94                91    91


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          70    85      67    85      67    87      69    88
Temp          72 70 85 76   69 68 85 77   71 68 86 77   71 69 87 78
Dewpt         70 69 68 68   67 66 65 67   67 65 66 68   66 65 65 66
PWind dir         E     E      NE    NE       N     N      NW    NW
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr         10    20       5     5      10    10       5     5
Rain shwrs           S  S

$$
SCZ050-202100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1112 AM EDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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          74          89          73          85
Temp                   88 86 79 76 75 74 75 84 88 86 79 77 75 74 74 82 85 83 77
Dewpt                  70 71 72 73 72 72 71 72 70 71 71 72 72 72 71 70 70 72 72
RH                     55 61 79 90 90 93 87 67 55 61 77 85 90 93 90 67 61 70 85
Wind dir                S  S SW SW SW SW  W NW SE  S  S  S SE  E  N NE  E  E  E
Wind spd                6  6  5  5  4  4  3  3  5  9  6  4  2  3  4  5  9 10  9
Clouds                 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                      5          10          20          10          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  S  S              C  C  C  C
Tstms                                        S  S  S              S  S  S  S
Heat index             93 91                90 93 91                   90
Max heat               93    93                93    94                90    90


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          71    84      69    84      70    85      71    86
Temp          73 72 84 76   71 70 83 75   71 70 84 76   72 71 85 77
Dewpt         70 69 68 68   68 67 67 68   68 67 68 69   69 67 68 69
PWind dir         E     E      NE    NE      NE     N      NW    NW
Wind char        GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         10    20       5    10      10    10      10     5
Rain shwrs           S  S

$$
SCZ048-202100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1112 AM EDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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          72          90          71          86
Temp                   89 87 80 77 74 72 73 85 90 88 79 76 74 72 73 82 86 84 77
Dewpt                  69 69 72 72 71 71 71 71 69 70 71 71 71 71 71 70 69 71 72
RH                     52 55 77 85 90 97 93 63 50 55 77 85 90 97 93 67 57 65 85
Wind dir               SW SW SW SW SW SW  W NW SE SE  S SE SE  E  N NE  E  E  E
Wind spd                4  4  4  4  3  3  2  3  3  6  5  3  2  1  3  5  6  6  6
Clouds                 SC SC B1 B1 SC SC SC SC SC B1 SC SC SC SC SC SC B1 SC SC
PoP 12hr                     10          10          20          20          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  S  S  S  S        C  C  C  C
Tstms                                        S  S  S  S  S        S  S  S  S
Heat index             94 91                90 95 93                   90
Max heat               94    94                95    95                90    91


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          69    85      67    84      67    86      68    87
Temp          72 70 84 75   70 68 83 76   70 69 85 76   71 70 86 77
Dewpt         69 68 67 68   67 66 64 67   67 65 65 68   67 66 65 67
PWind dir         E     E      NE    NE       N     N      NW    NW
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr         10    20       5     5       5    10      10     5
Rain shwrs           S  S

$$
SCZ043-202100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1112 AM EDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      91          69          91          70          87
Temp                   89 89 79 74 72 70 71 84 91 89 79 75 72 71 71 82 86 86 77
Dewpt                  68 68 70 70 70 69 70 72 68 68 71 71 70 70 70 70 68 70 71
RH                     50 50 74 87 93 97 97 67 47 50 77 87 93 97 97 67 55 59 82
Wind dir                W  W SW SW SW SW  W  N NE  E SE SE SE  E  N NE  E  E  E
Wind spd                4  4  4  2  0  1  1  2  2  3  4  3  2  1  2  4  5  5  3
Clouds                 SC SC B1 SC SC SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     10          10          30          30          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  C  C        C  C  C  C
Tstms                                        S  C  C  S  S        S  S  S  S
Heat index             93 93                90 95 93                      91
Max heat               93    94                95    94                      91


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          67    86      65    85      65    86      66    88
Temp          70 69 85 76   67 66 84 75   69 66 85 76   69 68 87 78
Dewpt         68 67 65 66   65 64 63 66   65 64 65 67   65 64 65 66
PWind dir         E    NE      NE    NE       N     N       N    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   SC FW SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr         10    20       5     5       5    10       5     5
Rain shwrs           S  S

$$
GAZ099-202100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1112 AM EDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      91          70          90          70          87
Temp                   90 90 81 75 73 72 71 83 90 89 81 76 73 71 71 82 87 85 77
Dewpt                  68 68 71 71 70 69 70 71 68 68 69 70 69 68 69 70 69 69 70
RH                     49 49 72 87 90 90 97 67 49 50 67 82 87 90 93 67 55 59 79
Wind dir                W SW SW  S  S  S SW  N  E  E  E SE  S  E NE NE  E  E  E
Wind spd                4  4  3  2  0  2  2  2  3  3  2  2  2  1  2  4  5  6  5
Clouds                 SC SC B1 SC SC SC SC SC B1 B1 B1 SC SC SC SC SC B1 B1 SC
PoP 12hr                     10          10          30          30          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  C  C        C  C  C  C
Tstms                                        S  C  C  S  S        S  S  S  S
Heat index             94 94                   94 93                   91
Max heat               94    95                94    94                91    91


Date          Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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          68    86      65    86      66    88      67    89
Temp          70 69 85 76   69 66 85 77   69 67 87 79   71 68 88 78
Dewpt         68 68 66 68   66 65 64 66   65 64 64 66   65 64 64 65
PWind dir         E     E      NE    NE      NE     N      NW    NW
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   SC FW SC SC   FW FW SC SC   SC SC SC FW
PoP 12hr         10    20       5     5       5     5       5     5
Rain shwrs           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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