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

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Point Forecast Matrices
National Weather Service Morristown TN
717 PM EST Thu Dec 4 2025

TNZ017-050900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
717 PM EST Thu Dec 4 2025

Date           12/04/25      Fri 12/05/25            Sat 12/06/25            Sun
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      34          42          36          46          31
Temp                35 34 35 35 38 40 42 41 38 38 38 37 40 44 46 41 36 34 33 31
Dewpt               30 34 34 35 37 40 39 39 38 38 37 37 40 39 37 36 34 33 31 31
RH                  82100 96100 96100 89 92100100 96100100 82 71 82 92 96 92100
Wind Dir            NE  E  E  E  E SW SW SW SW SW SW SW SW  W  W SW SW  E  E  E
Wind Spd             3  2  2  1  2  2  2  1  1  1  1  2  4  6  5  2  1  1  1  1
Clouds              OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 B1
PoP 12hr                     90          50           5           5           5
QPF 12hr                   0.35        0.02           0           0           0
Rain shwrs           D  D  D  C
Sleet                D
Snowshwrs               D
Winter Weath         Y  Y  Y


Date           12/07  Mon 12/08/25  Tue 12/09/25  Wed 12/10/25  Thu 12/11/25
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          48      30    39      23    45      29    49      33    42
Temp          45 43   36 30 36 32   25 25 43 39   31 29 47 43   39 34 40 35
Dewpt         38 37   34 29 28 24   22 22 30 30   28 27 34 32   35 34 32 27
PWind Dir        NW       N     N       E    SW      SW    SW      SW     W
Wind Char        LT      LT    LT      LT    GN      LT    GN      GN    GN
Avg Clouds    B1 B1   B2 B2 B2 SC   SC B1 B1 SC   SC SC B1 B1   B1 B2 B2 B1
PoP 12hr         20      40    20      10     5      10    10      50    30
Frzg rain                 C  S
Rain shwrs        S    C  C  S                                   C  C  C  S
Snowshwrs                                                           S

$$

TNZ071-050900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
717 PM EST Thu Dec 4 2025

Date           12/04/25      Fri 12/05/25            Sat 12/06/25            Sun
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      36          45          37          49          34
Temp                38 37 37 37 39 42 44 43 41 40 39 39 43 47 49 44 40 37 35 34
Dewpt               34 36 36 36 39 41 41 41 40 40 39 39 41 41 40 39 37 35 34 33
RH                  85 96 96 96100 96 89 93 96100100100 93 79 71 82 89 92 96 96
Wind Dir             N NE  N  N NE  N SW SW SW SW SW SW SW  W  W SW SE  E  E  E
Wind Spd             2  2  1  0  1  2  2  1  1  2  2  2  3  5  3  2  1  1  1  2
Clouds              OV OV OV OV OV OV OV B2 OV OV OV OV OV B2 B1 SC SC SC B2 B2
PoP 12hr                     90          40           5          10           5
QPF 12hr                   0.37        0.01           0           0           0
Rain shwrs           D  D  L  C                                               S


Date           12/07  Mon 12/08/25  Tue 12/09/25  Wed 12/10/25  Thu 12/11/25
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          49      35    44      28    50      34    54      36    46
Temp          46 45   40 35 42 38   31 29 48 44   36 34 52 49   44 37 44 39
Dewpt         40 40   38 33 32 29   27 27 33 32   31 31 35 36   39 36 32 30
PWind Dir         N       N    NE      NE    SW      SW    SW      SW     W
Wind Char        LT      LT    LT      LT    GN      LT    GN      GN    GN
Avg Clouds    B2 B2   B2 OV B2 SC   SC B1 SC FW   FW SC B1 B1   B1 B2 B2 B1
PoP 12hr         20      40    20       5     5       5    10      50    30
Rain shwrs     S  S    C  C  S                                   C  C  C  S

$$

TNZ036-050900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
717 PM EST Thu Dec 4 2025

Date           12/04/25      Fri 12/05/25            Sat 12/06/25            Sun
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      34          45          36          49          34
Temp                36 35 35 36 39 43 44 42 39 39 38 37 42 47 49 43 37 35 34 34
Dewpt               33 34 35 36 39 41 40 40 39 38 38 37 40 40 39 38 36 35 34 34
RH                  89 96100100100 93 86 93100 96100100 93 76 68 82 96100100100
Wind Dir            NE NE NE SE  E  S SW SW SW SW SW SW SW SW SW  W  N NE NE NE
Wind Spd             2  1  1  1  1  2  2  1  1  1  2  2  2  3  2  1  1  1  1  1
Clouds              OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC B2 B2
PoP 12hr                     90          30           5           5           5
QPF 12hr                   0.36        0.01           0           0           0
Rain shwrs           D  D  C  C                                               S
Winter Weath         Y  Y  Y


Date           12/07  Mon 12/08/25  Tue 12/09/25  Wed 12/10/25  Thu 12/11/25
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          47      33    43      27    49      32    52      34    46
Temp          45 43   38 33 42 36   28 28 46 42   34 34 50 47   42 35 44 37
Dewpt         40 40   37 32 30 28   25 26 34 33   31 32 36 37   38 34 32 30
PWind Dir         N       N    NE       N    SW      SW    SW      SW     W
Wind Char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg Clouds    B2 B1   B2 B2 B1 FW   SC B1 SC FW   FW B1 B1 B1   B1 B2 B2 B1
PoP 12hr         20      40    10       5     5       5    10      50    20
Rain shwrs     S  S    C  C                                      C  C  S  S

$$

TNZ099-050900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
717 PM EST Thu Dec 4 2025

Date           12/04/25      Fri 12/05/25            Sat 12/06/25            Sun
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      38          49          39          51          36
Temp                40 39 39 39 42 46 48 46 43 42 40 40 44 49 51 45 40 38 37 36
Dewpt               38 39 38 39 41 42 42 43 43 41 40 40 42 41 40 41 39 38 37 36
RH                  92100 96100 96 86 80 89100 96100100 93 74 66 86 96100100100
Wind Dir             N NE  N  N NE  N SE  S  S SW SW SW SW  W  W  S  N NE NE  E
Wind Spd             2  1  1  1  1  2  2  1  1  1  1  1  1  2  2  1  0  1  1  1
Clouds              OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC B1 B2
PoP 12hr                    100          20           5          10          10
QPF 12hr                   0.27        0.01           0           0           0
Rain shwrs           D  D  C  S                                               S


Date           12/07  Mon 12/08/25  Tue 12/09/25  Wed 12/10/25  Thu 12/11/25
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          52      38    48      30    52      34    57      36    50
Temp          49 48   42 38 45 41   32 30 50 44   36 34 54 51   44 37 48 42
Dewpt         42 43   41 37 33 32   30 29 33 34   34 33 37 39   42 37 33 33
PWind Dir        SE       N     N      NE    SW       S    SW      SW    NW
Wind Char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg Clouds    B2 B2   B2 B2 B1 FW   FW SC SC FW   FW SC SC SC   B1 B1 B1 SC
PoP 12hr         20      30    10       0     0       0     5      40    20
Rain shwrs     S  S    C  C                                      C  C  S  S

$$

NCZ060-050900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
717 PM EST Thu Dec 4 2025

Date           12/04/25      Fri 12/05/25            Sat 12/06/25            Sun
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      36          48          37          49          31
Temp                39 38 38 38 41 46 46 43 41 40 39 39 41 47 48 43 37 35 33 31
Dewpt               36 38 38 38 41 42 42 42 41 40 39 39 41 40 38 38 36 34 32 31
RH                  89100100100100 86 86 96100100100100100 76 68 82 96 96 96100
Max/Min RH                  100          80         100          68         100
Wind Dir             N SE SE  E  E NE  W SW  N  N  N  N SW  W  W  N  N  N  N  E
Wind Dir Deg         0 12 14 11 11  5 27 20  0  0  0  0 23 26 27  0  0  0  0 11
Wind Spd             0  1  1  1  1  2  2  1  0  0  0  0  1  2  2  0  0  0  0  1
Clouds              OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC B1 B1
Clouds (%)          97 95 98 98 95 95 95 93 94 94 99 99 97 91 74 59 36 34 53 59
Vsby                 5  3  3  7  7  7  7  7  7  7  7  7
PoP 12hr                    100          40          20          20          10
QPF 12hr                   0.31        0.01           0           0           0
Frzg rain                                                                     S
Rain shwrs           D  D  L  C           S  S              S  S
ChanceThunder                 0           0           0           0           0
Max Mix Hgt
AGL Mix Hgt                            1600                    2400
Max Vent Rt                            6000                   18700
T Wind Dir                               SW                       W
T Wind Spd                                3                       6
ADI                                       6                      19
Max LVORI                                10                      10
Stability               D     D     D     B     D     D     B     B     G     F
Ceiling              NONE  NONE  NONE  NONE  NONE  NONE  NONE  NONE  NONE  NONE
Sta Pres            27.92 27.90 27.85 27.83 27.78 27.80 27.79 27.79 27.81 27.81


Date           12/07  Mon 12/08/25  Tue 12/09/25  Wed 12/10/25  Thu 12/11/25
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          52      34    46      29    49      28    53      32    46
Temp          50 46   39 34 43 38   32 29 47 39   32 29 51 47   40 33 44 37
Dewpt         40 40   38 34 35 31   30 27 31 30   29 28 34 34   38 33 32 29
PWind Dir         S      NW    NW      SE     S       S     S      SW    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1   B2 B2 B2 SC   SC B1 B1 FW   FW SC B1 SC   B1 B2 B2 B1
PoP 12hr         30      40    20      10     5       0     5      40    30
Frzg rain      S
Rain shwrs     S  C    C  C  S                                   C  C  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

$$