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

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Point Forecast Matrices
National Weather Service Morristown TN
342 AM EST Sat Dec 16 2017

TNZ017-162100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
342 AM EST Sat Dec 16 2017

Date             Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      48          26          45          37          57
Temp          28 25 32 44 47 36 32 30 28 27 33 41 45 42 40 39 38 38 44 53 56 51
Dewpt         22 21 23 24 23 25 25 25 23 25 30 30 32 36 37 38 38 38 43 47 45 46
RH            78 84 69 45 38 64 75 81 81 92 89 65 60 79 89 96100100 96 80 66 83
Wind Dir      SW SW SW SW SW SW  S  S SE  E NW  W  S SE  S SW SW SW SW SW SW  W
Wind Spd       1  3  3  6  5  2  0  0  1  2  1  1  1  4  4  4  4  4  5  6  6  4
Clouds        SC SC FW FW FW FW CL FW SC B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1 B2
PoP 12hr                      0           0          40          30          10
QPF 12hr                      0           0        0.02        0.06           0
Rain shwrs                                      C  C  C  C  S  S              S


Date          Tue 12/19/17  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          42    60      38    52      37    57      36    56
Temp          46 43 56 51   44 39 49 46   41 38 53 48   41 37 52 47
Dewpt         43 42 47 46   41 37 38 38   35 36 40 38   37 37 45 42
PWind Dir        SW    SW       W     N      SE    SW       S    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B1 B1 B2   B2 B1 SC SC   B1 B1 SC SC   SC B1 B1 B2
PoP 12hr         20    40      40    30      40    10      20    30
Rain shwrs     S  S  C  C    C  C  C  C    C  C             S  C  C

$$

TNZ071-162100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
342 AM EST Sat Dec 16 2017

Date             Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      50          30          46          41          59
Temp          27 28 36 45 50 43 38 34 31 31 36 43 46 44 43 42 42 42 47 55 58 53
Dewpt         22 22 24 25 26 27 28 28 27 29 31 34 37 39 41 42 42 42 46 49 50 49
RH            81 78 61 45 39 53 67 78 85 92 82 70 71 82 93100100100 96 80 75 86
Wind Dir       S SW SW SW SW SW  W NW NE  E  E  W  S  W  S SW SW SW SW SW SW SW
Wind Spd       1  2  4  6  5  3  1  1  1  2  1  0  3  3  2  2  3  2  4 10  9  5
Clouds        FW FW CL CL CL FW FW SC B1 B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                      0           0          60          40          10
QPF 12hr                      0           0        0.07        0.04           0
Rain shwrs                                   C  L  L  C  C  S  S              S


Date          Tue 12/19/17  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          45    60      42    54      41    59      42    57
Temp          49 46 57 53   47 43 52 49   44 42 55 52   46 43 54 50
Dewpt         46 45 51 49   45 42 42 43   41 39 45 44   42 42 50 45
PWind Dir        SW    SW      NW    NE      NE    SW      SW    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1 B2 OV   B2 B1 B1 B1   B1 B1 SC SC   SC B1 B2 B2
PoP 12hr         20    60      40    30      40    10      20    50
Rain shwrs     S  S  L  L    C  C  C  C    C  S             S  C  C

$$

TNZ036-162100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
342 AM EST Sat Dec 16 2017

Date             Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      50          31          45          41          59
Temp          26 27 35 46 50 44 39 34 32 32 36 42 45 43 43 42 42 42 47 55 58 53
Dewpt         22 22 24 24 24 28 29 28 27 29 31 33 38 39 39 40 40 42 44 49 50 49
RH            85 81 64 42 36 53 67 78 81 88 82 70 76 86 86 93 93100 89 80 75 86
Wind Dir      SW SW SW SW SW SW  S NE NE NE  N  S  S NW  S  W  W SW SW SW SW SW
Wind Spd       3  1  2  5  5  1  0  0  1  1  1  1  2  4  3  2  2  1  3  6  8  3
Clouds        FW FW CL CL CL FW FW SC B1 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                      0           0          70          30          10
QPF 12hr                      0           0        0.09        0.03           0
Rain shwrs                                   C  L  L  C  S  S  S


Date          Tue 12/19/17  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          45    60      43    54      41    59      42    56
Temp          49 46 57 53   47 44 52 49   44 42 55 52   46 43 53 49
Dewpt         46 44 50 48   44 41 39 41   39 38 44 44   41 42 49 45
PWind Dir        SW    SW      NW    NE       N    SW      SW    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1 B2 OV   B2 B1 B1 B1   B1 B1 SC SC   SC B1 B2 B2
PoP 12hr         20    40      40    30      40    10      20    30
Rain shwrs        S  C  C    C  C  C  C    C  S             S  C  C

$$

TNZ099-162100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
342 AM EST Sat Dec 16 2017

Date             Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      51          33          48          43          61
Temp          26 26 34 45 51 43 37 35 34 34 38 45 48 46 45 44 44 44 49 57 60 55
Dewpt         21 22 25 26 26 29 30 29 29 29 30 33 37 40 41 42 42 43 45 49 50 50
RH            81 85 69 47 37 57 75 78 82 82 73 62 65 79 86 93 93 96 86 75 69 83
Wind Dir       W SW SW  S  S  S  S  S NE SE SE  S SE  S  E  S  N SE  S  S SW SW
Wind Spd       1  1  2  4  4  2  0  0  1  1  2  2  4  3  2  2  0  1  1  3  4  2
Clouds        CL FW CL CL FW FW FW B1 B1 B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 B2
PoP 12hr                      0           5          70          50          20
QPF 12hr                      0           0        0.11        0.05        0.04
Rain shwrs                                C  C  L  L  C  C  C  C  S  S        C


Date          Tue 12/19/17  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          46    61      45    56      43    60      45    58
Temp          50 47 58 54   49 46 54 51   46 44 57 54   49 46 55 51
Dewpt         46 46 53 51   46 44 42 46   41 41 45 45   45 45 50 46
PWind Dir        SW    SW       N    NE      NW     S       S    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B1 B2 OV   B2 B2 B1 B1   B1 B1 SC SC   SC B1 B2 OV
PoP 12hr         30    60      50    40      30     5      20    40
Rain shwrs     C  C  L  L    C  C  C  C    C  S             S  C  C

$$

NCZ060-162100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
342 AM EST Sat Dec 16 2017

Date             Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      53          29          53          41          62
Temp          18 18 30 47 52 39 33 31 30 30 38 48 52 48 46 44 43 42 49 58 61 54
Dewpt         18 18 25 26 26 29 29 27 27 26 30 29 33 38 41 42 41 41 47 51 50 49
RH           100100 81 43 36 67 85 85 88 85 73 47 48 68 83 93 93 96 93 77 67 83
Min/Max RH                   35          96          46          96          67
Wind Dir       S NW  S  W  W  E  E  E  E SE SE SE SE SE  S SE  E  E  W SW SW  W
Wind Dir Deg  16 29 19 24 24 10  7  8 11 12 13 14 13 15 18 12 11  9 26 22 23 24
Wind Spd       2  0  1  3  4  1  1  1  1  3  4  5  5  8  3  3  2  1  1  3  4  2
Clouds        CL FW CL CL CL FW FW SC B1 B1 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1 B1
Clouds (%)     1  9  1  1  3  6 14 34 52 66 72 95 98 87 82 80 74 80 72 69 61 67
Vsby           0  0  0  0  0  0  0  0
PoP 12hr                      0           0          60          50          30
QPF 12hr                      0           0        0.05        0.06        0.07
Rain shwrs                                   C  L  L  C  C  C  C  C  C  S  S  C
Haines                        4                       3
LAL               1     1     1     1     1     1     1     1     1     1     1
Max Mix Hgt                4200                    2600
AGL Mix Hgt                2500                     900
Max Vent Rt               11700                    5200
T Wind Dir                    W                      SE
T Wind Spd                    4                       5
ADI                          10                       5
Max LVORI                     8                       5
Stability         G     B     B     G     F     D     C     D     D     B     B
Ceiling        NONE  NONE 23500 14800  8000  5500  3200  2400  2400 20800 20800
Sta Pres      28.07 28.09 28.11 28.13 28.09 28.14 28.10 28.08 28.09 28.06 28.05


Date          Tue 12/19/17  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          43    63      42    56      41    59      41    57
Temp          48 44 59 54   47 43 53 50   45 42 55 52   46 42 54 50
Dewpt         43 43 52 50   44 41 44 46   43 40 43 42   40 41 49 47
PWind Dir         W     W      NW    NE       W     S      SE     S
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1 B2 OV   OV B2 B1 B1   B1 B1 SC SC   SC B1 B2 OV
PoP 12hr         30    70      50    50      50     0      20    50
Rain shwrs     C  C  L  L    C  C  C  C    C  C             S  C  C

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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