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

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Point Forecast Matrices
National Weather Service Morristown TN
1232 AM EST Sun Dec 7 2025

TNZ017-072100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
1232 AM EST Sun Dec 7 2025

Date             Sun 12/07/25            Mon 12/08/25            Tue 12/09/25
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          35          38          26          44
Temp          29 29 37 48 49 43 41 39 38 36 37 37 37 35 32 30 28 28 34 42 44 38
Dewpt         27 27 33 36 35 35 36 36 36 36 36 35 33 30 29 28 27 26 30 31 30 30
RH            92 92 85 63 58 73 82 89 92100 96 92 85 82 88 92 96 92 85 65 57 73
Wind Dir       E  E  E NW NW  W NW  N  N  N  N  N  N  N  N  E SW SW SW SW SW SW
Wind Spd       1  1  2  2  2  1  1  2  2  4  5  5  4  2  1  0  1  2  4 10  9  4
Clouds        SC SC B2 B2 B1 B2 OV OV OV OV OV OV B2 B2 B2 B1 B1 B1 SC SC SC FW
PoP 12hr                     10          50          60           5           0
QPF 12hr                      0        0.04        0.07           0           0
Rain shwrs                          S  C  L  L  C  C
Sleet                                        L
Snowshwrs                                       C  C
Obvis         PF PF
Wind chill                                                             36
Min chill        27    28          38    32    30    33    30    26    25    34


Date          Wed 12/10/25  Thu 12/11/25  Fri 12/12/25  Sat 12/13/25
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          30    51      34    48      34    41      16    27
Temp          32 32 50 46   40 34 46 45   41 35 39 32   24 17 24 23
Dewpt         29 27 34 35   36 33 38 38   39 35 32 22   15 10 10  8
PWind Dir        SW    SW       W    SW       W     W       W     W
Wind Char        LT    GN      LT    LT      LT    GN      GN    GN
Avg Clouds    SC B1 B1 B1   B1 B2 B2 B2   B2 OV B2 B1   B1 B1 B1 SC
PoP 12hr          0     5      20    30      60    40      30    10
Rain shwrs                   S  S  S  C    L  L  C  C    C
Snowshwrs                                           C    C  S

$$

TNZ071-072100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
1232 AM EST Sun Dec 7 2025

Date             Sun 12/07/25            Mon 12/08/25            Tue 12/09/25
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          39          43          28          49
Temp          31 30 38 48 49 44 44 42 41 40 40 42 42 39 35 33 30 29 37 47 49 43
Dewpt         30 29 35 38 39 39 39 39 40 39 40 38 36 34 32 30 28 28 32 34 33 33
RH            96 96 89 68 68 82 82 89 96 96100 86 79 82 89 89 92 96 82 60 54 67
Wind Dir      NE NE NE  W  W  S SW  N  N  N  N  N  N  N  N NE SW SW SW SW SW SW
Wind Spd       1  1  1  2  2  2  1  2  3  4  6  6  5  4  2  1  1  2  5 12 12  9
Clouds        FW SC SC B2 SC OV OV OV OV OV OV B2 B1 B1 B1 SC SC SC SC SC SC FW
PoP 12hr                      5          40          30           0           0
QPF 12hr                      0        0.04        0.01           0           0
Rain shwrs                          C  S  C  C  S  S
Obvis         PF PF


Date          Wed 12/10/25  Thu 12/11/25  Fri 12/12/25  Sat 12/13/25
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          37    54      38    53      36    44      19    30
Temp          39 38 52 50   42 38 51 50   45 37 42 35   26 19 27 26
Dewpt         33 31 36 38   39 36 41 44   43 37 33 25   18 10 11 10
PWind Dir        SW    SW      SW    SW       W    NW      NW    NW
Wind Char        GN    BZ      LT    LT      LT    GN      LT    LT
Avg Clouds    FW SC B1 B1   B1 B2 B2 B2   OV B2 B2 B1   B1 B1 SC SC
PoP 12hr          0     5      20    40      70    40      20     5
Rain shwrs                      S  C  C    L  C  C  C    S
Snowshwrs                                                S

$$

TNZ036-072100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
1232 AM EST Sun Dec 7 2025

Date             Sun 12/07/25            Mon 12/08/25            Tue 12/09/25
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          38          44          26          47
Temp          30 31 39 48 50 44 41 41 40 39 41 43 43 37 33 31 28 28 36 45 47 42
Dewpt         30 31 36 38 39 39 39 39 40 38 39 37 35 32 31 29 28 27 32 34 34 34
RH           100100 89 68 66 82 92 92100 96 92 79 73 82 92 92100 96 85 65 60 73
Wind Dir      NE  E NE SW  W  W  N  N  N  N  N  N  N  N  N  N SW SW SW SW SW SW
Wind Spd       1  1  1  2  2  1  1  2  2  4  5  5  4  2  2  1  1  1  5 10 10  5
Wind Gust                                                                    16
Clouds        FW B1 B2 B2 B1 B2 OV OV OV OV B2 B2 SC SC SC SC SC SC SC SC SC FW
PoP 12hr                      5          40          20           0           0
QPF 12hr                      0        0.01           0           0           0
Rain shwrs                          C  S  S  S
Obvis         PF PF


Date          Wed 12/10/25  Thu 12/11/25  Fri 12/12/25  Sat 12/13/25
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          37    53      35    51      35    43      17    30
Temp          37 37 51 48   40 36 49 48   43 36 41 32   25 17 27 24
Dewpt         34 33 38 38   38 36 41 43   42 36 31 23   15  8 10  9
PWind Dir        SW    SW       W    SW       W    NW      NW    NW
Wind Char        LT    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC B1 B1   B1 B2 B2 B2   OV B2 B2 B1   B1 B1 SC SC
PoP 12hr          0     5      20    40      70    30      20     5
Rain shwrs                   S  S  C  C    L  C  C  S    S
Snowshwrs                                                S

$$

TNZ099-072100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
1232 AM EST Sun Dec 7 2025

Date             Sun 12/07/25            Mon 12/08/25            Tue 12/09/25
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                      52          41          48          29          51
Temp          33 33 40 48 50 47 44 44 42 41 44 47 47 41 37 34 31 30 39 49 51 44
Dewpt         32 33 38 40 41 43 43 44 42 41 41 38 36 35 34 33 31 30 34 35 35 35
RH            96100 92 74 71 86 96100100100 89 71 65 79 89 96100100 82 58 54 70
Wind Dir       N  S  S  S  S  S NW NW  N  N  N  N  N  N  N  N  N  S  S  S  S  S
Wind Spd       0  1  2  4  2  2  1  2  2  4  6  9  9  5  2  1  1  1  4  9  9  5
Clouds        FW SC B1 B1 B1 OV OV OV OV B2 B1 B1 B1 SC SC SC FW SC SC FW FW FW
PoP 12hr                      5          40           5           0           0
QPF 12hr                      0           0           0           0           0
Rain shwrs                       S  C
Obvis         PF PF


Date          Wed 12/10/25  Thu 12/11/25  Fri 12/12/25  Sat 12/13/25
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          37    57      38    57      39    48      19    35
Temp          37 37 55 51   42 39 54 53   49 40 46 36   26 19 32 29
Dewpt         36 35 39 41   42 38 44 49   48 40 32 26   18 11 10 11
PWind Dir         S    SW      SW     S       W    NW      NW    NW
Wind Char        LT    GN      LT    LT      LT    GN      LT    GN
Avg Clouds    FW SC SC B1   B1 B1 B1 B2   B2 B2 B1 SC   SC SC FW FW
PoP 12hr          0     0      20    40      60    30      10     5
Rain shwrs                      S  C  C    L  C  C  S

$$

NCZ060-072100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
1232 AM EST Sun Dec 7 2025

Date             Sun 12/07/25            Mon 12/08/25            Tue 12/09/25
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                      55          37          44          26          49
Temp          28 29 39 53 53 44 41 41 39 38 40 43 43 38 33 30 28 28 36 46 48 40
Dewpt         28 28 35 38 40 40 40 40 39 38 40 38 36 34 32 30 28 28 32 32 30 32
RH           100 96 85 57 61 86 96 96100100100 82 76 85 96100100100 85 58 49 73
Min/Max RH                   57         100          76         100          48
Wind Dir       N SE SE  S SW  W  N  N NW NW NW NW NW NW  N  N  N  S  S SW SW  S
Wind Dir Deg   0 12 14 18 22 27  0  0 30 30 31 31 31 32 33  0  0 16 18 20 20 18
Wind Spd       0  1  2  3  2  1  0  0  1  2  4  5  5  2  1  0  0  1  2  5  5  2
Clouds        FW FW FW FW SC B2 OV OV OV B2 B2 B2 B1 SC SC SC B1 B2 B1 SC FW FW
Clouds (%)    10 10 14 21 36 81 97 96 98 72 80 75 67 49 45 43 61 73 57 28 24 17
Vsby           6  6 10 10 10 10 10  7  7  7  7  7
PoP 12hr                      5          50          30          10           0
QPF 12hr                      0        0.02        0.01           0           0
Rain shwrs                          C  C  C  C  S  S
Obvis         PF PF
ChanceThunder                 0           0           5           0           0
Max Mix Hgt
AGL Mix Hgt                2700                    2600                    3100
Max Vent Rt               18600                   22300                   25500
T Wind Dir                    S                      NW                      SW
T Wind Spd                    6                       8                       8
ADI                          19                      23                      25
Max LVORI                     9                       8                      10
Stability         G     B     B     D     D     C     B     F     F     B     B
Ceiling        NONE  NONE  NONE  NONE  NONE  NONE  NONE  NONE 23500  NONE  NONE
Sta Pres      27.82 27.79 27.81 27.83 27.87 27.94 28.00 28.01 28.02 27.97 27.94


Date          Wed 12/10/25  Thu 12/11/25  Fri 12/12/25  Sat 12/13/25
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          29    53      34    55      36    46      15    32
Temp          31 30 51 46   40 35 52 49   47 37 43 34   23 15 31 22
Dewpt         30 29 34 37   37 34 41 44   45 37 34 26   17  8  8  7
PWind Dir         S    SW       W     S      SW    NW      NW    NW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW SC SC B1   B1 B1 B2 B2   B2 OV B2 B1   B1 SC SC FW
PoP 12hr          0     5      20    40      70    30      20     5
Rain shwrs                      S  S  C    L  L  C  C    S
Snowshwrs                                                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

$$