Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
335 AM EDT Tue May 23 2017

SCZ050-232100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
335 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
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                      81          70          82          66          81
Temp          72 73 79 80 78 73 70 70 70 72 80 82 80 76 73 70 66 67 74 80 80 72
Dewpt         70 71 71 72 71 70 69 69 68 69 70 70 70 70 68 66 65 64 61 58 57 56
RH            93 93 77 77 79 90 97 97 93 90 72 67 72 82 84 87 97 90 64 47 45 57
Wind dir       S SW SW SW SW SW SW SW SW SW SW SW  S  S SW SW SW  W  W  W  W  W
Wind spd       8 10 10 12 16 12 10  8  8  8 14 18 17 14 13 14 13 13 17 19 16 11
Clouds        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC
PoP 12hr                    100         100          90          60          20
QPF 12hr                   1.53        0.10        0.65        0.33           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  C  D  D  D  L  C  C  C  L  D  L  C  C  C  S  S  S  S
Tstms          C  C  C  C  D  D  D  L  C  C  C  L  D  L  C  C  C  S  S  S  S
Flash Flood    A  A  A  A  A  A  A


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          59    86      67    92      71    93      73    90
Temp          61 62 85 77   69 71 91 81   73 75 93 83   75 75 90 82
Dewpt         56 57 56 60   62 63 63 66   67 68 67 69   70 70 69 69
PWind dir         W     W      SW    SW      SW    SW      SW    SW
Wind char        GN    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW CL CL CL   FW FW FW FW   FW SC SC SC   SC B1 B1 B1
PoP 12hr          0     0       0     5      10    20      20    30
Rain shwrs                                       S  S    S  S  C  C
Tstms                                            S  S    S  S  C  C

$$
GAZ118-232100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
335 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
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                      83          70          81          64          80
Temp          71 74 80 83 77 73 72 70 70 73 78 81 77 74 71 69 65 65 71 79 79 72
Dewpt         70 70 72 71 71 70 69 69 68 69 71 72 71 69 68 66 65 63 60 57 56 56
RH            97 87 77 67 82 90 90 97 93 87 79 74 82 84 90 90100 93 68 47 45 57
Wind dir      SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W  W  W
Wind spd       5  9  9 11 17 11  9  9  9  9 13 17 16 13 13 13 12 11 14 18 14 10
Clouds        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC FW
PoP 12hr                    100         100          90          50          10
QPF 12hr                   1.88        0.07        0.80        0.18           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  L  D  D  L  L  C  C  C  L  D  C  C  C  C
Tstms          C  C  C  L  D  D  L  L  C  C  C  L  D  C  C  C  C
Flash Flood    A  A  A  A  A  A  A


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          58    88      66    91      70    93      71    90
Temp          61 62 87 77   69 69 90 82   71 73 92 83   74 74 89 81
Dewpt         56 56 58 62   61 63 64 67   67 68 70 70   70 70 72 71
PWind dir         W     W      SW    SW      SW    SW      SW     W
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW CL CL FW   FW FW FW FW   FW SC SC SC   SC SC B1 B1
PoP 12hr          0     0       0     5      10    20      20    30
Rain shwrs                                       S  S    S  S  C  C
Tstms                                            S  S    S  S  C  C

$$
SCZ050-232100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
335 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
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                      81          72          82          68          81
Temp          74 75 79 80 78 75 73 72 72 74 80 82 80 77 74 71 68 69 75 80 80 73
Dewpt         71 71 71 72 71 71 70 70 68 70 71 71 71 70 69 68 67 65 61 58 56 56
RH            90 87 77 77 79 87 90 93 87 87 74 69 74 79 84 90 97 87 62 47 44 55
Wind dir       S SW SW SW SW SW SW SW SW SW SW SW  S  S SW SW SW  W  W SW  W  W
Wind spd      11 13 12 16 18 16 13 12 10 10 16 20 20 19 18 18 16 13 17 20 18 14
Clouds        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC
PoP 12hr                    100         100          90          60          20
QPF 12hr                   1.67        0.11        0.63        0.37           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  C  D  D  D  L  L  C  C  L  D  L  L  C  C  S  S  S  S
Tstms          C  C  C  C  D  D  D  L  L  C  C  L  D  L  L  C  C  S  S  S  S
Flash Flood    A  A  A  A  A  A  A


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          64    85      71    89      74    91      75    89
Temp          65 67 84 77   72 74 88 80   76 77 91 82   77 77 89 81
Dewpt         57 58 57 61   63 64 64 67   69 69 69 70   71 71 71 71
PWind dir         W     W       W    SW      SW    SW      SW    SW
Wind char        GN    GN      LT    LT      GN    GN      GN    GN
Avg clouds    FW CL CL CL   FW FW FW FW   FW SC SC SC   SC B1 B1 B1
PoP 12hr          5     0       0     5      10    10      20    30
Rain shwrs                                               S  S  C  C
Tstms                                                    S  S  C  C

$$
SCZ048-232100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
335 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
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                      80          70          81          66          80
Temp          72 75 79 79 77 74 70 70 70 73 79 81 78 73 73 71 67 66 72 79 79 72
Dewpt         71 71 71 71 71 71 69 68 68 69 70 71 70 69 68 66 65 63 59 56 55 55
RH            97 87 77 77 82 90 97 93 93 87 74 72 76 87 84 84 93 90 64 45 44 55
Wind dir       S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W  W  W  W
Wind spd       8 10  9 10 14 12 10  9  9  9 12 14 14 13 13 13 12 12 17 21 17 11
Clouds        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC SC
PoP 12hr                    100         100          90          50          10
QPF 12hr                   1.78        0.09        0.70        0.26           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  L  D  D  L  L  C  C  C  L  D  C  C  C  C
Tstms          C  C  C  L  D  D  L  L  C  C  C  L  D  C  C  C  C
Flash Flood    A  A  A  A  A  A  A


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          60    86      67    90      71    92      73    90
Temp          62 64 85 77   69 70 89 80   72 74 92 81   75 74 90 80
Dewpt         56 57 56 61   62 63 63 67   66 68 68 70   70 70 70 70
PWind dir         W     W       W    SW      SW    SW      SW    SW
Wind char        GN    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW CL CL FW   FW FW FW FW   FW SC SC SC   SC B1 B1 B1
PoP 12hr          0     0       0     5      10    20      20    30
Rain shwrs                                       S  S    S  S  C  C
Tstms                                            S  S    S  S  C  C

$$
SCZ043-232100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
335 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
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                      80          68          81          64          79
Temp          69 72 77 80 77 74 71 68 68 71 79 81 78 73 72 68 64 65 71 78 78 71
Dewpt         69 70 71 71 70 70 68 68 67 69 69 69 69 69 67 65 64 63 59 56 56 56
RH           100 93 82 74 79 87 90100 97 93 72 67 74 87 84 90100 93 66 47 47 59
Wind dir       S  S SW SW SW SW SW SW SW SW SW SW SW  S SW SW SW  W  W  W  W  W
Wind spd       5  6  8  9 12  9  6  5  5  6  9 11 10  9  9  9  9 10 14 17 14 10
Clouds        OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC SC
PoP 12hr                    100         100          90          50          20
QPF 12hr                   1.23        0.07        0.65        0.22           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  L  D  D  L  C  C  C  C  L  D  C  C  C  C  S  S  S  S
Tstms          C  C  C  L  D  D  L  C  C  C  C  L  D  C  C  C  C  S  S  S  S
Flash Flood    A  A  A  A  A  A  A


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          57    86      63    91      68    93      71    90
Temp          59 61 84 76   64 67 89 81   70 71 92 84   73 73 90 80
Dewpt         55 56 56 61   60 62 62 66   65 67 66 69   68 69 69 69
PWind dir         W     W      SW    SW      SW    SW      SW     W
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW CL CL CL   FW FW FW FW   FW SC SC SC   B1 B1 B1 B1
PoP 12hr          0     0       0     5      10    20      20    30
Rain shwrs                                       S  S    S  S  C  C
Tstms                                            S  S    S  S  C  C

$$
GAZ099-232100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
335 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
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                      78          68          79          62          78
Temp          70 73 75 77 74 72 68 68 68 70 75 79 75 73 68 66 63 63 70 76 78 72
Dewpt         70 71 72 72 71 71 68 68 68 69 70 70 70 69 67 64 63 61 58 56 56 56
RH           100 93 90 85 90 97100100100 97 84 74 84 87 97 93100 93 66 50 47 57
Wind dir       S SW SW  S SW SW SW SW SW  S  S SW SW SW SW SW  W  W  W  W  W  W
Wind spd       6  8 10 13 16  9  8 10  9 10 12 13 13 12 11 10 10 11 14 17 14 10
Clouds        OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC SC FW
PoP 12hr                    100          80          90          50          10
QPF 12hr                   1.68        0.06        0.80        0.08           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  L  L  D  D  D  L  C  C  C  C  L  D  C  C  C  C
Tstms          L  L  L  D  D  D  L  C  C  C  C  L  D  C  C  C  C
Flash Flood    A  A  A  A  A  A  A


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          57    87      65    92      69    92      70    89
Temp          59 59 84 80   68 68 90 84   70 71 90 86   73 72 88 83
Dewpt         55 57 58 63   61 63 64 68   66 69 70 71   70 70 71 71
PWind dir         W     W      SW     W      SW    SW      SW     W
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW CL CL CL   FW FW FW FW   FW SC SC B1   B1 B1 B1 B1
PoP 12hr          0     0       0     5      10    20      20    30
Rain shwrs                                       S  S    S  S  C  C
Tstms                                            S  S    S  S  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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