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

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Point Forecast Matrices
National Weather Service Morristown TN
232 PM EST Thu Dec 14 2017

TNZ017-150900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
232 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            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                      25          40          24          50          25
Temp          45 37 33 30 28 26 30 37 39 35 31 29 27 26 33 45 49 40 35 32 29 28
Dewpt         26 24 21 21 20 21 24 22 20 21 20 22 21 22 26 26 25 26 25 25 23 25
RH            47 59 61 69 71 81 78 54 46 56 63 75 78 85 75 47 39 57 66 75 78 88
Wind Dir      NW  W NE  W  W  W  W  W  W  W  W  W SW  W SW SW SW  S  S SE SE SE
Wind Spd       4  2  0  0  1  2  6 10 10  6  4  3  2  1  6  6  6  4  3  3  3  2
Clouds        B2 B1 B1 B1 B1 B1 B2 B1 SC FW FW FW FW FW FW CL FW CL FW SC SC B2
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          50      38    58      42    58      32    49      29    54
Temp          45 45   41 39 54 51   46 43 55 47   39 33 46 41   34 31 49 47
Dewpt         31 33   38 39 49 46   43 43 46 40   34 30 28 27   26 26 33 34
PWind Dir         S      SW    SW      SW     W       W     W      SE     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 OV   B2 B2 B2 B2   B2 B1 B1 B1   B1 SC SC FW   FW FW SC FW
PoP 12hr         40      30    30      20    40      20    10      10    10
Rain           S  C    C  C  C  C    S  S  C  C    S  S
Snow                                                  S

$$

TNZ071-150900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
232 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            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                      27          42          27          52          31
Temp          49 41 36 33 30 28 32 39 41 37 34 31 30 29 36 47 51 43 39 36 34 33
Dewpt         29 28 26 24 24 24 25 23 22 22 22 25 24 25 28 30 29 31 30 29 28 30
RH            46 59 67 69 78 85 75 52 46 54 61 78 78 85 72 51 42 62 70 75 78 89
Wind Dir       W  N  N NW  W  W  W  W  W  W SW  W SW  S SW SW SW SW  S  S SE  E
Wind Spd       8  2  2  2  1  2  5  6  6  5  4  4  3  3  5  6  6  4  3  2  2  2
Clouds        B1 SC SC SC B1 B1 B1 B1 SC FW FW FW FW CL CL CL CL FW FW SC SC B2
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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      42    58      45    59      36    53      33    55
Temp          45 46   44 43 55 53   48 46 56 50   42 37 50 45   38 34 51 48
Dewpt         36 39   43 43 51 49   46 46 49 44   37 34 33 32   31 30 37 38
PWind Dir         S      SW    SW      SW     W       W    NW       E     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 OV   B2 B2 OV B2   B1 B1 B2 B1   B1 SC FW FW   FW FW SC FW
PoP 12hr         60      40    30      30    40      10    10      10    10
Rain           C  L    C  C  C  C    C  C  C  C

$$

TNZ036-150900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
232 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            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                      27          42          27          51          30
Temp          50 41 36 33 31 28 32 39 41 37 34 31 30 28 36 46 50 42 38 35 33 32
Dewpt         29 27 24 23 22 21 23 22 21 21 21 22 22 24 26 27 27 30 29 29 27 29
RH            44 57 61 66 69 75 69 50 44 52 58 69 72 85 67 47 41 62 70 78 78 88
Wind Dir       W  N  N NW NW  W  W  W  W  W  W  W  N SE SW SW SW SW SW SW SW  E
Wind Spd       4  3  2  2  2  2  4  5  6  2  1  1  0  1  6  6  6  4  3  3  1  1
Clouds        B1 B1 SC SC SC B1 B1 SC FW FW FW FW FW CL CL CL CL FW FW SC B1 B2
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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      42    58      45    59      36    52      34    55
Temp          44 46   44 43 55 53   48 46 56 50   42 37 49 45   39 35 51 48
Dewpt         35 39   41 42 50 48   46 45 49 42   35 33 30 30   30 30 35 37
PWind Dir         S      SW    SW      SW     W      NW    NW       E     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 B2 B2 B2   B1 B2 B2 B1   SC SC FW FW   FW FW SC SC
PoP 12hr         60      30    30      30    40      10    10      10    10
Rain           C  L    C  C  C  C    C  C  C  C

$$

TNZ099-150900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
232 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            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                      29          44          28          53          35
Temp          54 45 40 36 33 30 34 41 43 39 35 33 31 30 37 48 52 46 42 40 38 37
Dewpt         29 30 28 26 24 24 24 22 22 24 24 24 24 24 26 27 28 31 30 30 29 30
RH            38 55 62 67 69 78 66 46 43 54 64 69 75 78 64 44 39 55 62 67 70 75
Wind Dir       W NW  N  N  N NW NW NW NW NW NW  N  N  N  S SW  S  S  S  S SE SE
Wind Spd       8  3  3  2  2  3  6  6  8  4  3  1  0  1  2  3  4  4  3  2  2  1
Clouds        FW FW FW SC SC B1 B1 B1 SC FW CL CL CL FW CL CL CL FW SC B2 B2 B2
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Rain                                                                          S


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          50      45    60      47    60      39    55      36    56
Temp          47 48   46 46 57 55   50 48 57 51   44 40 52 47   41 37 52 50
Dewpt         35 41   42 46 50 50   48 48 50 45   38 34 32 33   32 32 37 39
PWind Dir        SE       S     S      SW     W       N     N      NE     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 OV   B2 OV B2 B2   B2 B1 B2 B1   SC SC FW FW   FW FW FW SC
PoP 12hr         60      50    40      30    40      10    10      10    20
Rain           C  L    C  C  C  C    C  C  C  C                        S  S

$$

NCZ060-150900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
232 PM EST Thu Dec 14 2017

Date           12/14/17      Fri 12/15/17            Sat 12/16/17            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                      26          42          25          55          28
Temp          50 41 36 33 30 27 32 39 41 37 33 30 28 27 36 49 53 44 39 35 32 31
Dewpt         29 28 25 24 23 23 25 23 22 24 23 22 22 22 26 26 25 28 26 27 26 28
RH            44 59 64 69 75 85 75 52 46 59 66 72 78 81 67 40 33 53 59 72 78 88
Max/Min RH                   85          46          81          33          88
Wind Dir       N NW  N  N  N NW NW NW NW NW  N SE SE NE  W  W SW SE  E  E  E SE
Wind Dir Deg   2 31 33  0 34 30 29 29 29 29  2 13 14  6 27 26 20 13 10 10 10 15
Wind Spd       3  2  2  1  1  2  4  8  8  2  1  1  1  0  1  3  2  2  3  3  3  1
Clouds        FW FW FW SC SC SC SC B1 SC FW FW CL CL CL CL CL CL FW FW B1 B1 B2
Clouds (%)    10 13 18 31 44 42 49 55 46 21  9  1  1  2  1  1  1 12 21 61 59 78
Vsby           0  0  0  0  0  0  0  0
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Frzg rain                                                                     S
Haines                                    4                       4
LAL               1     1     1     1     1     1     1     1     1     1     1
Max Mix Hgt                            4400                    4100
AGL Mix Hgt                            2700                    2500
Max Vent Rt                           34700                    8500
T Wind Dir                               NW                      SW
T Wind Spd                               12                       3
ADI                                      30                       7
Max LVORI                                 4                       4
Stability         B     G     G     C     B     G     G     B     B     F     F
Ceiling        NONE 13800  NONE 20800 23500  NONE  NONE  NONE 23500 14800  8000
Sta Pres      27.85 27.88 27.89 27.94 28.01 28.06 28.07 28.09 28.10 28.12 28.10


Date           12/17  Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          54      43    61      44    61      36    54      33    55
Temp          49 49   46 44 57 54   48 45 58 51   43 37 50 45   38 34 51 48
Dewpt         31 39   41 43 52 51   46 45 49 44   35 31 30 31   28 29 35 39
PWind Dir         S      SE    SW      SW     W      NW    NW       E    SE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 OV   B2 OV OV B2   B2 B2 B2 B1   B1 SC FW FW   SC FW FW SC
PoP 12hr         50      50    50      30    40      20    10      10    20
Frzg rain      S
Rain           C  C    C  C  C  C    C  C  C  C    S  S                S  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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