Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN

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Point Forecast Matrices
National Weather Service Morristown TN
343 PM EDT Tue Apr 25 2017

TNZ017-260900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
343 PM EDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
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                      54          83          55          80          57
Temp          70 67 62 58 56 55 70 78 82 76 68 62 59 56 69 76 79 74 67 63 60 58
Dewpt         52 52 52 52 52 51 52 53 53 54 57 55 54 55 57 57 57 58 57 56 56 57
RH            53 59 70 80 86 86 53 42 37 46 68 78 83 96 66 52 47 57 70 78 87 96
Wind Dir       W SW  S SE SE SE  S  S  S SE SE SE SE  S  S SW SW SW  W  W  W  S
Wind Spd       3  3  3  2  3  2  2  8  8  3  4  3  2  3  9 12  9  8  3  1  1  1
Clouds        B2 B1 SC SC SC FW FW FW FW CL CL CL FW SC SC B1 B2 B2 B1 B1 SC SC
PoP 12hr                      0           0           5          50          20
QPF 12hr                      0           0           0        0.15        0.05
Rain shwrs                                            S  C  C  C  S  S
Tstms                                                 S  C  C  C  S  S
Obvis                     PF


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
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          83      60    86      62    83      61    76      48    71
Temp          79 77   66 61 82 80   68 63 80 78   66 63 74 70   54 51 68 66
Dewpt         54 57   59 61 60 62   61 61 61 62   61 59 56 53   46 47 42 46
PWind Dir         S       S     S      SE     S       S    SW       W    SW
Wind Char        LT      LT    GN      LT    GN      GN    GN      LT    LT
Avg Clouds    SC B1   B2 B1 B1 B1   SC B1 B1 B1   B2 B2 OV B1   SC SC SC FW
PoP 12hr         20      40    10      10    20      70    60      10    10
Rain shwrs        S    C  S                S  S    L  L  L  C
Tstms             S    C  S                S  S    L  L  C  C

$$

TNZ071-260900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
343 PM EDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
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                      56          84          62          78          59
Temp          75 72 65 61 59 57 71 80 83 79 72 68 65 63 71 75 77 73 68 64 61 60
Dewpt         55 55 55 55 55 54 55 56 56 56 58 58 57 58 59 60 59 59 58 58 57 57
RH            50 55 70 81 87 90 57 44 40 45 61 70 75 84 66 60 54 62 70 81 87 90
Wind Dir       W  S  S  S  S SE  S SW SW  S  S  S SW  S SW SW SW SW SW  S  S SE
Wind Spd       2  3  3  2  3  2  2  8  8  5  8  6  6  9 10 13 11  6  3  1  2  2
Clouds        B1 SC FW FW FW FW FW CL CL FW FW FW SC B2 OV B2 B2 B1 SC SC SC SC
PoP 12hr                      0           0          10          60          20
QPF 12hr                      0           0           0        0.27        0.01
Rain shwrs                                            C  C  L  C  S
Tstms                                                 C  C  C  C  S
Obvis                     PF


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
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      64    86      65    84      63    74      49    74
Temp          80 79   69 65 82 81   70 66 81 79   68 64 73 68   55 52 71 69
Dewpt         60 61   62 62 62 62   62 63 63 63   62 59 54 50   46 46 44 49
PWind Dir         S       S     S       S     S      SW    SW      SW    SW
Wind Char        LT      LT    GN      LT    GN      GN    GN      LT    LT
Avg Clouds    SC B1   B1 B1 SC SC   SC SC SC B1   OV OV B2 B1   SC SC FW FW
PoP 12hr         20      30    10      10    30      70    40      10    10
Rain shwrs        S    C                   C  C    L  L  C  S
Tstms             S    C                   C  C    L  L  C  S

$$

TNZ036-260900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
343 PM EDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
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                      56          84          62          77          57
Temp          77 73 66 62 59 57 71 80 83 79 72 68 65 63 70 75 76 72 66 62 60 58
Dewpt         55 55 55 55 55 54 55 56 56 57 59 58 58 58 58 60 58 58 58 57 56 57
RH            47 53 68 78 87 90 57 44 40 47 64 70 78 84 66 60 54 61 75 84 87 96
Wind Dir      SW  S  S  S  W  N  S  S  S SW  S  S  S  S SW SW SW SW SW  N SE SE
Wind Spd       2  3  3  2  1  1  2  8  9  3  4  4  5  6  5  9  9  3  0  0  1  1
Clouds        B1 SC FW FW FW FW FW CL CL CL FW FW SC OV OV B2 B2 B1 SC SC SC SC
PoP 12hr                      0           0          20          60          20
QPF 12hr                      0           0        0.01        0.27        0.01
Rain shwrs                                         S  C  L  L  C  S
Tstms                                              S  C  C  C  C  S
Obvis                     PF


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
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      65    86      66    84      61    75      50    73
Temp          80 79   70 66 83 81   71 67 81 79   66 63 73 69   56 53 70 68
Dewpt         59 62   62 63 63 63   62 63 62 62   61 57 51 50   46 47 44 49
PWind Dir         S       S     S       S     S      SW    SW      SW    SW
Wind Char        LT      LT    LT      LT    GN      GN    GN      LT    LT
Avg Clouds    SC B2   B2 B1 SC SC   SC SC SC B1   OV OV B2 SC   SC SC FW FW
PoP 12hr         30      40    10      10    30      70    40      10    10
Rain shwrs        C    C  S                C  C    L  L  C
Tstms             C    C  S                C  C    L  L  C

$$

TNZ099-260900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
343 PM EDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
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          86          62          78          59
Temp          78 73 67 63 61 59 73 82 85 80 73 68 65 63 71 75 77 73 68 64 61 60
Dewpt         57 57 57 56 55 55 57 58 58 57 59 59 58 59 61 60 59 59 59 58 59 60
RH            48 57 70 78 81 87 57 44 40 45 62 73 78 87 71 60 54 62 73 81 93100
Wind Dir       W SW  S  S  S SE  S  S  S  S  S  S  S  S  S  S SW SW SW  S SE SE
Wind Spd       3  3  3  2  2  1  3  8 10  9  6  8  9  8  8  9 10  5  2  1  1  2
Clouds        B1 SC FW FW FW FW FW CL CL CL FW B1 B2 OV OV B1 B1 SC FW SC SC SC
PoP 12hr                      0           0          30          70          20
QPF 12hr                      0           0        0.01        0.22        0.01
Rain shwrs                                      S  C  C  L  C  C  S
Tstms                                           S  C  C  C  C  C  S
Obvis                     PF


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
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          85      65    87      66    83      60    73      49    76
Temp          81 80   70 66 83 82   71 67 80 78   65 62 71 67   55 52 73 71
Dewpt         63 63   63 62 63 64   64 63 64 64   61 56 50 48   46 47 45 52
PWind Dir         S       S     S       S     S      SW     W      NW     W
Wind Char        LT      LT    GN      LT    GN      GN    GN      LT    LT
Avg Clouds    SC B2   B1 B1 B1 B1   B1 SC B1 B2   OV OV B1 SC   SC FW FW FW
PoP 12hr         40      30    10      10    50      70    30      10    10
Rain shwrs        C    C  S                C  C    L  L  C
Tstms             C    C  S                C  C    L  L  C

$$

NCZ060-260900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
343 PM EDT Tue Apr 25 2017

Date           04/25/17      Wed 04/26/17            Thu 04/27/17            Fri
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                      54          82          57          77          55
Temp          75 71 64 60 57 55 69 78 81 76 68 64 60 58 68 74 76 72 65 61 58 56
Dewpt         55 55 54 53 52 52 54 55 55 56 57 56 56 56 59 60 60 59 58 57 56 56
RH            50 57 70 78 83 90 59 45 41 50 68 75 87 93 73 62 58 64 78 87 93100
Max/Min RH                   90          41          93          58         100
Wind Dir      NW NW SW SE  E  E  S  S  S  S  S  S  S SE SW SW SW  W  S SE  E SE
Wind Dir Deg  29 29 21 13 11  7 18 18 17 17 17 16 18 14 20 20 21 24 18 13 11 12
Wind Spd       6  4  3  3  3  3  4  8  9  5  4  5  4  5  6  6  6  3  2  2  2  1
Clouds        B1 SC FW FW FW FW FW CL CL CL FW SC SC B2 OV B2 B2 B1 B1 SC SC SC
Clouds (%)    55 27 19 22 17 13 13  2  2  3 10 36 42 85 88 77 83 59 51 36 27 49
Vsby          10 10 10  3  2  3 10 10
PoP 12hr                      0           0          20          60          20
QPF 12hr                      0           0        0.01        0.32        0.01
Rain shwrs                                         S  C  C  L  C  S  S
Tstms                                              S  C  C  C  C  S  S
Obvis                     PF
Haines                                    4                       2
LAL               1     1     1     1     1     1     3     3     3     2     1
Max Mix Hgt                            5400                    5400
AGL Mix Hgt                            3700                    3800
Max Vent Rt                           59800                   69200
T Wind Dir                                S                       S
T Wind Spd                               16                      18
ADI                                      52                      60
Max LVORI                                 4                       4
Stability         A     G     G     B     B     F     D     B     B     G     G
Ceiling       23500 23500  NONE  NONE  NONE  NONE  3200  3200  NONE  NONE  NONE
Sta Pres      27.68 27.71 27.74 27.72 27.70 27.73 27.70 27.74 27.77 27.86 27.90


Date           04/28  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17  Tue 05/02/17
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          83      60    84      62    80      59    72      46    75
Temp          79 77   66 61 80 79   68 63 77 75   64 61 70 66   52 49 72 69
Dewpt         61 61   62 61 62 63   62 61 62 63   61 57 52 49   45 45 42 48
PWind Dir         S      SE     S      SE     S       S     W      NW     W
Wind Char        LT      LT    GN      LT    GN      GN    GN      LT    LT
Avg Clouds    SC B1   B1 SC SC SC   B1 B1 B1 B2   OV OV OV B1   SC SC FW FW
PoP 12hr         30      20    20      10    30      70    50      10    10
Rain shwrs        C    S     S  S          C  C    L  L  C  S
Tstms             C    S     S  S          C  C    L  L  C  S

This is an experimental product for planning and review purposes only, and is
not to be substituted for an official fire weather spot forecast

$$



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