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

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Point Forecast Matrices
National Weather Service Morristown TN
255 PM EST Mon Feb 20 2017

TNZ017-210900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
255 PM EST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            Thu
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                      44          67          48          64          50
Temp          70 63 56 52 49 44 52 61 66 61 56 53 51 50 55 61 64 61 58 56 54 53
Dewpt         40 42 42 40 40 40 44 44 44 44 45 45 47 47 48 50 50 49 49 49 49 49
RH            33 46 59 63 71 86 74 53 45 53 66 74 86 89 77 67 60 65 72 77 83 86
Wind Dir      SW SE SE SE SE SE  S  S  S SE SE  E  E  E  E SW NE NE  E SE SE  S
Wind Spd       1  1  8  5  5  8 10 10  8  8  8  6  4  3  3  1  2  2  2  3  2  2
Clouds        FW SC FW SC SC SC SC SC B1 B2 OV OV OV OV OV B2 B2 B1 B1 B1 B1 B2
PoP 12hr                      0          10          60          60          10
QPF 12hr                      0           0        0.10        0.14           0
Rain shwrs                                C  L  L  L  L  L  S


Date           02/23  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          68      51    73      47    57      32    55      38    60
Temp          64 63   56 52 68 65   54 48 55 50   39 33 50 50   43 39 55 55
Dewpt         51 51   49 48 52 51   50 46 34 29   27 25 26 29   30 33 40 43
PWind Dir         S      SE     S       S     W       W     W      SE     S
Wind Char        LT      LT    LT      LT    GN      LT    LT      LT    GN
Avg Clouds    B2 B2   B1 SC SC SC   B1 B2 B2 FW   SC SC FW FW   SC SC B2 B2
PoP 12hr         30      10    10      60    30       5     5      10    40
Rain                                                                   C  C
Rain shwrs        C                  L  L  C
Tstms                                C  C

$$

TNZ071-210900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
255 PM EST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            Thu
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                      48          69          52          64          51
Temp          71 64 59 55 52 48 55 64 68 64 59 57 55 52 58 64 64 64 61 58 57 55
Dewpt         46 46 46 45 44 43 47 49 50 51 51 51 50 50 51 53 53 53 52 51 51 52
RH            41 52 62 69 74 83 74 58 52 63 75 80 83 93 77 67 67 67 72 77 80 90
Wind Dir       W  N SE SE SE SE  S  S SE SE  E NE NE NE NE  N SE SE SE SW  S SE
Wind Spd       1  1  3  4  2  2  4 11  6  4  4  3  3  3  3  2  1  1  3  1  2  3
Clouds        SC SC SC B1 SC SC SC SC OV OV OV OV OV B2 B2 B2 B2 SC SC B1 B1 B2
PoP 12hr                      0          20          60          40          10
QPF 12hr                      0        0.01        0.16        0.08           0
Rain shwrs                             S  L  L  L  L  C  C


Date           02/23  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          71      55    74      49    58      36    58      42    62
Temp          68 67   60 56 70 66   56 50 57 52   42 37 53 53   46 43 57 57
Dewpt         54 54   50 51 54 54   52 44 35 31   29 28 31 33   33 37 44 45
PWind Dir        SW       S     S      SW     W      NW     W       S    SW
Wind Char        LT      LT    GN      GN    GN      LT    LT      LT    GN
Avg Clouds    B2 B1   B1 SC B1 SC   B1 B2 B1 FW   FW SC FW FW   FW SC B2 B2
PoP 12hr         30      10    20      60    10       5     5      10    40
Rain                                                                   C  C
Rain shwrs        C             S    L  L
Tstms                           S    C  C

$$

TNZ036-210900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
255 PM EST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            Thu
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                      47          68          52          65          52
Temp          72 65 59 55 52 47 54 63 67 63 59 56 55 52 58 65 65 64 61 58 57 55
Dewpt         45 45 45 45 45 45 47 48 49 51 51 52 50 50 51 53 53 53 52 52 52 53
RH            38 48 60 69 77 93 77 58 52 65 75 86 83 93 77 65 65 67 72 80 83 93
Wind Dir      SE  S SE SE  E  E  S  S SE SE  E NE  E NE NE NE  S SE SE NW SW  S
Wind Spd       2  1  2  2  1  1  3 11  8  5  5  5  4  3  3  1  3  2  2  1  3  2
Clouds        FW FW FW SC SC SC B1 B2 OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B2
PoP 12hr                      0          20          60          40          10
QPF 12hr                      0        0.01        0.15        0.09           0
Rain shwrs                             S  L  L  L  L  C  C


Date           02/23  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          70      53    74      47    56      35    58      41    61
Temp          67 65   58 54 69 65   55 48 55 50   41 36 53 53   46 42 56 56
Dewpt         55 53   52 51 54 53   51 42 33 29   29 28 29 32   33 37 44 44
PWind Dir        SW       S     S      SW     W      NW    SE       S    SW
Wind Char        LT      LT    GN      GN    GN      LT    LT      LT    GN
Avg Clouds    B2 B1   B1 SC B1 SC   B2 B2 B1 FW   FW SC FW FW   SC SC B2 B2
PoP 12hr         30      10    20      60    10       5     5      10    40
Rain                                                                   C  C
Rain shwrs        C             S    L  L
Tstms                           S    C  C

$$

TNZ099-210900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
255 PM EST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            Thu
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                      51          66          54          68          53
Temp          73 67 61 57 55 51 56 62 65 62 59 57 56 54 60 67 68 66 62 59 58 56
Dewpt         48 47 49 48 47 47 49 49 54 55 55 54 53 52 54 55 55 54 53 53 53 54
RH            41 49 65 72 74 86 77 62 68 78 87 90 90 93 81 65 63 65 72 80 83 93
Wind Dir       S SE SE SE SE SE SE SE SE SE SE SE SE  N NE NE  E NE SE SW SE  S
Wind Spd       4  3  5  5  5  5  9 12 11  5  5  5  4  2  2  2  2  2  2  2  1  3
Clouds        SC SC SC SC B1 B1 B2 OV OV OV OV OV OV B2 B2 B1 B1 SC SC B1 B1 B2
PoP 12hr                      0          50          60          30          10
QPF 12hr                      0        0.03        0.22        0.03           0
Rain shwrs                          S  C  L  L  L  L  C  C


Date           02/23  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          73      57    74      49    59      38    60      44    63
Temp          70 69   62 58 70 66   56 50 57 53   44 39 55 55   48 45 59 58
Dewpt         56 54   53 55 55 55   54 44 32 32   32 31 30 34   38 41 46 47
PWind Dir         S       S     S      SW    NW       N    SE       S     S
Wind Char        LT      LT    GN      LT    GN      LT    LT      LT    GN
Avg Clouds    B2 B1   SC B1 B1 B1   B2 B2 SC FW   FW FW FW FW   FW SC B2 B2
PoP 12hr         20      10    20      60    10       5     5      10    40
Rain                                                                   C  C
Rain shwrs        S             S    L  L
Tstms                           S    C  C

$$

NCZ060-210900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
255 PM EST Mon Feb 20 2017

Date           02/20/17      Tue 02/21/17            Wed 02/22/17            Thu
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                      47          65          51          68          51
Temp          72 65 58 54 51 47 53 61 64 61 57 55 53 51 57 64 67 63 58 56 54 52
Dewpt         45 46 46 45 44 44 47 49 50 50 50 51 50 50 52 53 52 51 50 49 49 50
RH            38 50 64 71 77 89 80 65 60 67 77 86 89 96 83 67 59 65 75 77 83 93
Max/Min RH                   89          60          96          59          93
Wind Dir       S  S SE SE SE SE SE SE SE SE SE SE SE  E  E  S  S SE SE SE SE  E
Wind Dir Deg  18 16 14 14 13 13 14 14 13 12 13 12 12 10 11 16 18 15 13 14 13 11
Wind Spd       3  5  6  8  8  9 12 12 10 10 11  6  5  4  3  3  3  1  4  4  3  3
Clouds        SC SC SC SC SC B1 B2 B2 OV OV OV OV OV B2 B2 B2 B2 SC SC B1 B1 B2
Clouds (%)    30 30 27 40 34 56 73 73 98 99100 99100 84 84 74 74 50 50 61 61 73
Vsby          10 10 10 10  6 10 10 10
PoP 12hr                      0          30          60          50          10
QPF 12hr                      0        0.01        0.28        0.04           0
Rain shwrs                             C  L  L  L  L  C  C  S
Haines                                    3                       3
LAL               1     1     1     1     1     1     1     1     1     1     1
Max Mix Hgt                            5000                    2700
AGL Mix Hgt                            3300                    1000
Max Vent Rt                           79400                    5900
T Wind Dir                               SE                      NW
T Wind Spd                               24                       5
ADI                                      69                       5
Max LVORI                                 4                       7
Stability         B     F     E     C     D     D     D     B     B     F     F
Ceiling       23500 23500 20800  4700  3200  3200  3200  3200  7200  3200  4700
Sta Pres      28.06 28.05 28.03 28.01 27.96 27.91 27.87 27.87 27.84 27.83 27.81


Date           02/23  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          69      53    72      46    56      33    60      40    61
Temp          66 65   58 54 68 64   53 47 54 49   40 35 54 54   46 41 56 56
Dewpt         52 52   52 52 53 54   52 45 33 29   29 28 26 30   33 37 45 46
PWind Dir         S      SE     S      SW    NW      NW    SW      SE     S
Wind Char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg Clouds    B2 B1   B1 B1 B1 SC   B1 B2 B1 FW   FW FW FW FW   FW B1 B2 B2
PoP 12hr         20      10    20      60    10       5     5      10    40
Rain                                                                   C  C
Rain shwrs        S             S    L  L
Tstms                           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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