Point Forecast Matrices
Issued by NWS Charleston, SC

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000
FOUS52 KCHS 210420
PFMCHS

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
1219 AM EDT TUE APR 21 2015

SCZ050-220900-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N  80.03W ELEV. 45 FT
1219 AM EDT TUE APR 21 2015

DATE           04/20/15      TUE 04/21/15            WED 04/22/15            THU
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                      62          79          53          79          61
TEMP                   65 64 62 71 77 77 68 61 58 55 56 71 78 78 71 65 63 62 63
DEWPT                  61 60 56 51 48 47 47 47 47 47 47 47 47 49 53 57 59 60 59
RH                     87 87 81 49 36 35 47 60 67 74 72 42 33 36 53 75 87 93 87
WIND DIR               SW  W NW  W  W  W  W  W  W  W  W  W SW SW SW SW SW  W  W
WIND SPD                9  6  6  8  8  8  6  5  4  3  2  4  8  9  9  8  6  6  6
CLOUDS                 SC SC SC FW CL CL CL FW SC SC FW FW FW FW FW SC SC B1 B1
POP 12HR                     20           0           0           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S
TSTMS                   S


DATE           04/23  FRI 04/24/15  SAT 04/25/15  SUN 04/26/15  MON 04/27/15
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      58    76      59    74      57    73      56    73
TEMP          78 67   62 60 75 69   62 61 73 67   60 59 72 66   59 58 72 66
DEWPT         57 58   57 54 54 56   56 57 59 59   57 55 54 54   52 50 53 55
PWIND DIR         W       W     E       S    SW       W    NW       N     N
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 SC   SC SC SC B1   B1 B2 B2 B2   B2 B1 SC SC   SC SC SC B1
POP 12HR         10      10    10      20    50      40    10      10    10
RAIN SHWRS                           S  S  C  C    C  C
TSTMS                                      S  S    S  S

$$
GAZ118-220900-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N  81.20W ELEV. 50 FT
1219 AM EDT TUE APR 21 2015

DATE           04/20/15      TUE 04/21/15            WED 04/22/15            THU
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                      61          79          54          81          62
TEMP                   65 64 61 70 76 78 70 63 59 56 56 71 79 80 72 66 64 62 64
DEWPT                  62 60 53 49 46 46 48 49 49 49 50 50 50 53 56 58 60 60 59
RH                     90 87 75 47 34 32 45 60 69 77 80 47 36 39 57 75 87 93 84
WIND DIR               SW  W NW NW NW  W  W  W  W  W NW  W SW  S  S  S SW SW  W
WIND SPD                8  6  8  9  9  8  5  4  2  1  1  3  5  6  8  6  5  4  4
CLOUDS                 SC SC SC FW FW CL CL FW SC SC SC FW FW FW SC SC SC B1 B1
POP 12HR                     20           0           0           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S
TSTMS                   S


DATE           04/23  FRI 04/24/15  SAT 04/25/15  SUN 04/26/15  MON 04/27/15
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      60    79      61    79      60    78      59    78
TEMP          80 70   64 62 78 71   64 63 78 71   64 62 77 70   63 61 77 70
DEWPT         58 60   58 56 57 58   59 59 62 62   59 57 56 56   54 52 54 57
PWIND DIR         W       W     W       S    SW       W    NW       N    NW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 SC   SC SC B1 B1   B1 B2 B2 B2   B2 B1 SC SC   SC SC B1 B1
POP 12HR         10      10    10      20    50      40    10      10    20
RAIN SHWRS                           S  S  C  C    C  C                S  S
TSTMS                                      S  S    S  S                S  S

$$
SCZ050-220900-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N  79.94W ELEV. 10 FT
1219 AM EDT TUE APR 21 2015

DATE           04/20/15      TUE 04/21/15            WED 04/22/15            THU
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                      64          78          56          76          62
TEMP                   67 65 64 72 77 76 69 64 61 57 57 70 75 76 70 66 64 63 64
DEWPT                  62 63 55 52 49 48 48 49 49 48 48 48 49 51 55 58 61 61 60
RH                     84 93 73 49 37 37 47 58 65 72 72 45 40 42 59 75 90 93 87
WIND DIR               SW  W NW  W  W  W  W  W  W  W  W  W SW SW SW SW SW  W  W
WIND SPD               11  9  9  9  8  8  8  6  4  3  3  4  8 10 11 10  8  6  6
CLOUDS                 SC SC SC FW CL CL CL FW SC SC FW FW FW FW FW SC SC B1 B1
POP 12HR                     20           0           0           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S
TSTMS                   S


DATE           04/23  FRI 04/24/15  SAT 04/25/15  SUN 04/26/15  MON 04/27/15
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          77      59    73      60    71      58    69      58    69
TEMP          77 65   62 61 72 67   62 61 70 65   60 59 68 64   60 59 68 64
DEWPT         57 59   58 54 54 56   57 57 59 60   57 56 54 54   53 51 53 56
PWIND DIR         W       W     E      SW    SW       W    NW       N     N
WIND CHAR        LT      LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    B1 SC   SC SC SC B1   B1 B2 B2 B2   B2 B1 SC SC   SC SC SC B1
POP 12HR         10      10    10      20    40      40    10      10    10
RAIN SHWRS                           S  S  C  C    C  C
TSTMS                                      S  S    S  S

$$
SCZ048-220900-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N  80.72W ELEV. 37 FT
1219 AM EDT TUE APR 21 2015

DATE           04/20/15      TUE 04/21/15            WED 04/22/15            THU
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                      62          79          55          79          63
TEMP                   65 64 62 71 76 78 69 63 60 56 57 70 77 79 70 65 64 63 65
DEWPT                  62 60 54 49 46 46 47 48 48 48 49 49 50 52 55 58 60 60 59
RH                     90 87 75 46 34 32 45 58 64 74 75 47 39 39 59 78 87 90 81
WIND DIR               SW  W NW NW NW  W  W  W  W  W NW  W SW SW  S SW SW  W  W
WIND SPD                8  8  9  9 10  9  6  5  3  2  2  3  5  6  6  6  5  5  4
CLOUDS                 SC SC SC FW FW CL FW FW SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR                     20           0           0           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S
TSTMS                   S


DATE           04/23  FRI 04/24/15  SAT 04/25/15  SUN 04/26/15  MON 04/27/15
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      60    76      61    75      59    74      59    74
TEMP          79 68   64 62 75 69   64 63 74 68   62 61 73 67   62 61 73 67
DEWPT         57 59   58 55 55 58   58 58 60 61   58 56 55 55   53 51 53 56
PWIND DIR         W       W     W       S    SW       W    NW       N    NW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 SC   SC SC SC B1   B1 B2 B2 B2   B2 B1 SC SC   SC SC SC B1
POP 12HR         10      10    10      20    50      40    10      10    10
RAIN SHWRS                           S  S  C  C    C  C
TSTMS                                      S  S    S  S

$$
SCZ043-220900-
WALTERBORO-INLAND COLLETON SC
32.91N  80.67W ELEV. 98 FT
1219 AM EDT TUE APR 21 2015

DATE           04/20/15      TUE 04/21/15            WED 04/22/15            THU
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                      60          78          53          81          60
TEMP                   65 62 61 70 76 78 68 61 57 54 55 70 79 80 72 65 63 61 62
DEWPT                  62 58 53 49 46 45 46 46 46 47 47 46 46 49 52 55 57 58 58
RH                     90 87 75 47 34 31 45 58 67 77 74 42 31 34 49 70 81 90 87
WIND DIR               SW  W NW  W  W  W  W  W  W  W  W  W  W SW  S SW SW  W  W
WIND SPD                9  6  6  8  8  6  5  4  3  1  1  4  8  6  5  5  5  4  4
CLOUDS                 SC SC SC FW CL CL CL FW SC SC SC FW FW FW FW SC SC B1 B1
POP 12HR                     20           0           0           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS              S
TSTMS                   S


DATE           04/23  FRI 04/24/15  SAT 04/25/15  SUN 04/26/15  MON 04/27/15
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          78      57    77      58    74      56    74      55    74
TEMP          77 68   61 59 76 69   62 60 73 66   59 58 73 66   59 57 73 66
DEWPT         56 57   55 53 54 56   56 57 58 59   56 54 54 54   52 50 52 55
PWIND DIR         W      NW    NW      SW    SW       W    NW       N     N
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 SC   SC SC SC B1   B1 B2 B2 B2   B2 B1 SC SC   SC SC SC B1
POP 12HR         10      10    10      20    50      40    10      10    10
RAIN SHWRS                           S  S  C  C    C  C
TSTMS                                      S  S    S  S

$$
GAZ099-220900-
METTER-CANDLER GA
32.40N  82.06W ELEV. 197 FT
1219 AM EDT TUE APR 21 2015

DATE           04/20/15      TUE 04/21/15            WED 04/22/15            THU
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                      58          76          53          81          60
TEMP                   65 58 58 67 74 76 69 61 57 54 55 69 78 81 74 65 62 61 62
DEWPT                  62 55 51 49 45 46 48 48 47 48 49 49 49 51 54 55 55 57 58
RH                     90 90 77 52 35 34 47 62 69 80 80 49 36 35 50 70 78 87 87
WIND DIR               SW NW NW NW NW NW  W  W  W  W SW SW  W SW SW SW SW SW  W
WIND SPD                8  8  8  9  9  8  4  3  1  1  1  4  8  6  4  4  3  2  2
CLOUDS                 SC SC SC FW CL CL FW FW SC SC SC SC FW FW SC SC SC B1 B1
POP 12HR                     20           0           0           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE           04/23  FRI 04/24/15  SAT 04/25/15  SUN 04/26/15  MON 04/27/15
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      59    79      60    77      59    76      57    76
TEMP          78 72   63 61 78 71   64 62 76 69   62 61 75 68   61 59 75 67
DEWPT         57 58   57 55 55 58   58 60 61 61   58 57 56 56   54 51 54 57
PWIND DIR        NW      NW    NW      SW    SW       W    NW       N     N
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 SC   SC B1 B1 B1   B2 B2 B2 B2   B2 B1 SC SC   SC SC B1 B1
POP 12HR         10      10    10      20    50      40    10      10    20
RAIN SHWRS                           S  S  C  C    C  C                S  S
TSTMS                                      S  S    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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