Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 221912
PFMCHS

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
312 PM EDT WED MAY 22 2013

SCZ050-230900-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N  80.03W ELEV. 45 FT
312 PM EDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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          86          64          86          52
TEMP          82 75 72 70 68 70 80 84 83 78 71 68 65 68 80 85 82 71 62 58 55 58
DEWPT         68 68 68 68 68 68 66 66 66 66 66 65 63 62 59 56 54 49 46 44 40 39
RH            63 79 87 93100 93 62 55 57 67 84 90 93 81 49 37 38 46 56 59 57 49
WIND DIR      SE SE  S  S  S  S SW SW  S  S SW SW  W  W NW NW NW  N  N  N  N  N
WIND SPD       9  8  8  6  4  1  6  9 10  6  6  6  8  9 10 13 14 11 10  9  8 11
CLOUDS        SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW FW FW FW FW
POP 12HR                     20          30          20           5           0
QPF 12HR                      0        0.10           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S        S           C  C  S  S  S
TSTMS          S        S           C  C  S  S  S
HEAT INDEX    85                82 86 85                81
MAX HEAT         87                86    85                84    84


DATE           05/25  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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      56    82      60    84      62    85      63    86
TEMP          77 69   60 61 81 73   63 64 83 74   65 66 84 75   66 68 85 76
DEWPT         38 39   51 53 52 55   57 59 57 59   61 63 60 62   63 64 64 64
PWIND DIR        NE       E    SE       S     S       S     S       S     S
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    FW FW   FW FW SC SC   SC SC SC SC   SC SC B1 SC   SC SC SC SC
POP 12HR          0       5     5      10    10      10    20      10    20
RAIN SHWRS                                               S  S          S  S
TSTMS                                                    S  S          S  S

$$
GAZ118-230900-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N  81.20W ELEV. 50 FT
312 PM EDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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          88          64          87          55
TEMP          85 77 72 70 68 70 79 84 87 79 72 68 66 68 80 86 83 73 64 60 57 60
DEWPT         68 67 67 68 68 68 67 65 64 65 65 64 63 62 59 56 55 51 47 45 43 43
RH            57 71 84 93100 93 67 53 46 62 79 87 90 81 49 36 38 46 54 58 59 53
WIND DIR      SE SE  S  S  S  S  W  W  W SW  W  W  W  W NW NW NW  N  N  N  N  N
WIND SPD       8  8  6  5  3  2  5  8  9  5  4  6  5  9 11 14 16 11 11 10  9 10
CLOUDS        SC SC SC SC SC B1 B1 B1 SC SC SC SC FW SC FW FW FW FW FW CL FW FW
POP 12HR                     20          30          20           0           0
QPF 12HR                      0        0.10           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     C  S                 C  C  S
TSTMS          C  S                 C  C  S
HEAT INDEX    88                   86 88                81
MAX HEAT         88                86    88                85    84


DATE           05/25  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          81      57    83      61    85      64    86      65    86
TEMP          79 70   61 61 82 75   64 64 84 77   66 67 85 78   68 68 85 78
DEWPT         40 44   52 55 52 57   58 60 57 60   62 63 61 63   64 65 65 64
PWIND DIR        NE      SE    SE       S    SE      SE    SE      SE    SE
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    FW FW   FW FW FW FW   FW SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR          0       5     5       5    10      10    20      10    20
RAIN SHWRS                                               S  S          S  S
TSTMS                                                    S  S          S  S

$$
SCZ050-230900-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N  79.94W ELEV. 10 FT
312 PM EDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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                      69          82          66          83          58
TEMP          78 73 71 71 70 71 79 81 80 76 71 69 67 69 78 82 80 72 65 62 60 61
DEWPT         69 69 69 69 69 69 67 66 67 67 67 66 64 62 59 56 55 49 46 44 41 40
RH            74 87 93 93 97 93 67 60 65 74 87 90 90 78 52 41 42 44 50 52 49 46
WIND DIR      SE SE  S  S  S  S SW  S  S  S SW SW  W NW NW NW NW  N  N  N  N  N
WIND SPD      10  8  8  8  6  3  6 10 11  6  8  8  9 10 11 13 13 13 11 10 10 12
CLOUDS        SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW FW FW FW FW
POP 12HR                     20          20          20           5           0
QPF 12HR                      0        0.08           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S  S        S  S  S  S  S
TSTMS                   S  S        S  S  S  S  S
HEAT INDEX                         83 82                   82 80
MAX HEAT                           83    83                82    82


DATE           05/25  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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      59    80      63    81      65    81      66    81
TEMP          73 67   61 63 79 73   66 66 81 74   67 68 81 75   68 69 81 75
DEWPT         38 40   52 54 53 56   58 59 58 60   62 63 61 63   64 65 65 64
PWIND DIR        NE       E    SE       S     S       S     S       S     S
WIND CHAR        GN      LT    LT      LT    GN      LT    GN      LT    LT
AVG CLOUDS    FW FW   FW FW SC SC   SC SC B1 SC   SC SC SC SC   SC SC SC SC
POP 12HR          0       5     5      10    10      10    20      10    20
RAIN SHWRS                                               S  S          S  S
TSTMS                                                    S  S          S  S

$$
SCZ048-230900-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N  80.72W ELEV. 37 FT
312 PM EDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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                      68          86          65          87          55
TEMP          81 75 72 71 69 71 80 83 85 79 72 69 66 69 80 85 83 72 64 60 57 60
DEWPT         68 68 68 68 68 68 68 67 67 67 66 65 63 62 59 56 55 50 45 44 41 41
RH            65 79 87 90 97 90 67 59 55 67 81 87 90 78 49 37 38 46 50 55 55 49
WIND DIR      SE SE  S  S  S  S  W SW SW  S  S  W  W  W NW NW NW  N  N  N  N  N
WIND SPD       8  8  6  5  3  1  4  6  9  5  5  6  6  9 11 14 16 12 11 10  9 11
CLOUDS        SC SC SC SC SC B1 B2 B1 SC SC SC SC SC SC FW FW FW FW FW FW FW FW
POP 12HR                     20          30          20           5           0
QPF 12HR                      0        0.09           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     S  S                 C  C  S
TSTMS          S  S                 C  C  S
HEAT INDEX    84                83 86 88                81
MAX HEAT         85                86    88                84    84


DATE           05/25  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          80      58    82      62    84      64    85      65    85
TEMP          79 70   62 63 81 74   65 66 82 76   67 68 84 77   69 69 84 77
DEWPT         39 41   52 54 53 57   58 60 58 61   62 63 62 64   64 65 65 65
PWIND DIR        NE       E    SE       S     S       S    SE      SE    SE
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    FW FW   FW FW SC SC   SC SC SC SC   SC SC B1 SC   SC SC SC SC
POP 12HR          0       5     5       5    10      10    20      10    20
RAIN SHWRS                                               S  S          S  S
TSTMS                                                    S  S          S  S

$$
SCZ043-230900-
WALTERBORO-INLAND COLLETON SC
32.91N  80.67W ELEV. 98 FT
312 PM EDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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                      66          86          63          86          50
TEMP          84 77 72 69 67 69 79 85 85 78 71 67 65 67 80 85 82 70 60 56 52 56
DEWPT         67 67 67 67 67 67 67 66 65 64 63 62 61 61 58 56 53 48 45 43 40 40
RH            57 71 84 93100 93 67 53 51 62 76 84 87 81 47 37 37 45 58 62 63 55
WIND DIR      SE SE  S  S  S  S  W SW SW SW SW  W  W NW NW NW NW  N  N  N  N  N
WIND SPD       5  8  6  5  3  1  5  8  9  5  5  6  8  8 11 14 16 11  9  8  8 10
CLOUDS        B1 SC SC SC SC B1 B2 B1 SC SC SC SC SC SC FW FW FW FW FW FW FW FW
POP 12HR                     20          30          20           5           0
QPF 12HR                      0        0.10           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     C  S                 C  C  S  S
TSTMS          C  S                 C  C  S  S
HEAT INDEX    87                   87 87                81
MAX HEAT         88                87    87                84    84


DATE           05/25  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          81      53    83      58    86      61    86      62    87
TEMP          79 68   57 58 82 74   61 62 84 77   64 65 86 77   64 66 86 78
DEWPT         39 41   51 52 52 56   56 58 57 59   61 62 60 62   63 64 64 63
PWIND DIR         N       E    SE       S     S       S     S       S    SE
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    FW FW   FW FW SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR          0       5     5      10    10      10    20      10    20
RAIN SHWRS                                               S  S          S  S
TSTMS                                                    S  S          S  S

$$
GAZ099-230900-
METTER-CANDLER GA
32.40N  82.06W ELEV. 197 FT
312 PM EDT WED MAY 22 2013

DATE           05/22/13      THU 05/23/13            FRI 05/24/13            SAT
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                      66          89          63          88          51
TEMP          86 80 73 69 66 70 82 86 89 79 71 67 65 68 81 87 84 71 62 57 54 58
DEWPT         66 66 66 67 66 67 67 65 63 64 65 64 63 63 59 55 53 49 46 45 43 43
RH            51 62 79 93100 90 61 50 42 60 81 90 93 84 47 34 34 46 56 64 66 57
WIND DIR      SE SE  S  S  S SW  W  W  W  W  W NW NW NW NW NW NW  N  N  N  N NE
WIND SPD       6  6  4  3  2  2  5 10 11  6  5  5  6 10 14 16 18 11 11 10  9 10
CLOUDS        B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC FW FW FW FW FW FW FW FW CL CL FW
POP 12HR                     20          20          10           0           0
QPF 12HR                      0        0.06           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS     C  S           S
TSTMS          C  S           S
HEAT INDEX    88 82             85 88 90                81
MAX HEAT         89                88    90                85    84


DATE           05/25  SUN 05/26/13  MON 05/27/13  TUE 05/28/13  WED 05/29/13
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          84      56    86      59    88      63    89      64    88
TEMP          82 71   60 59 84 77   62 62 85 80   66 66 87 81   67 67 86 81
DEWPT         39 45   50 52 49 54   56 58 55 58   60 61 58 61   62 63 63 62
PWIND DIR        NE      SE    SE       S     S      SE    SE      SE    SE
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    FW FW   FW FW FW SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR          0       5     5       5    10      10    20      10    20
RAIN SHWRS                                               S  S          S  S
TSTMS                                                    S  S          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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