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

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Point Forecast Matrices
National Weather Service Morristown TN
309 PM EST Fri Feb 24 2017

TNZ017-250900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
309 PM EST Fri Feb 24 2017

Date           02/24/17      Sat 02/25/17            Sun 02/26/17            Mon
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                      50          55          26          49          31
Temp          75 66 58 54 52 55 53 52 49 46 39 34 31 27 35 44 48 43 39 36 34 33
Dewpt         50 50 52 50 50 47 43 35 28 21 23 20 20 18 20 16 15 16 20 24 23 24
RH            41 56 80 86 93 74 69 52 44 37 52 56 63 68 54 32 26 33 46 61 64 69
Wind Dir       S  S  S  S  S  W  W  W  W  W  W  W  W  W  W  W SW  S SE SE SE SE
Wind Spd      11  9 10  9 12  9 13 14 14 12 10  8  6  5  5  4  5  3  2  2  3  2
Clouds        SC SC SC B1 OV OV B2 B1 SC B1 B1 SC SC FW FW FW SC SC SC B1 B2 B2
PoP 12hr                     80          60           5           0           5
QPF 12hr                   0.09        0.10           0           0           0
Rain shwrs              C  D  L  C  C  C                                      S
Tstms                   C  D


Date           02/27  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17  Fri 03/03/17
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          58      43    68      51    63      35    52      32    53
Temp          52 53   47 45 62 63   56 52 61 55   43 36 49 46   38 33 49 46
Dewpt         30 34   40 44 54 52   51 51 54 43   35 30 26 27   25 24 23 22
PWind Dir         S       S    SW      SW    SW       W     W       W     W
Wind Char        LT      LT    GN      LT    GN      GN    GN      LT    GN
Avg Clouds    B2 B2   B2 B2 B2 B2   B1 B1 OV OV   B2 B1 SC FW   FW FW SC SC
PoP 12hr         20      50    40      50    70      40    10      10    10
Rain shwrs     S  S    C  C  C  C    C  C  L  L    C  C
Tstms                        C  C    C  C  L  L

$$

TNZ071-250900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
309 PM EST Fri Feb 24 2017

Date           02/24/17      Sat 02/25/17            Sun 02/26/17            Mon
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                      50          53          29          53          35
Temp          76 72 64 60 56 53 51 51 51 46 40 36 33 30 38 47 52 47 43 40 38 36
Dewpt         53 52 54 53 53 46 40 33 28 23 23 22 22 20 21 20 17 21 19 25 26 27
RH            45 49 70 78 90 77 66 50 41 40 50 56 63 66 50 34 25 35 38 55 62 69
Wind Dir       S  S  S  S SW  W  W  W  W  W  W NW NW SW NE SW SW NW  S SE SE  E
Wind Spd      12  9 10 11  9 12 13 16 11  9  5  4  3  3  3  2  3  3  3  2  3  2
Clouds        SC SC B1 B2 OV B2 B1 SC SC SC SC SC SC FW FW FW FW SC FW SC B1 B2
PoP 12hr                     80          40           0           0           5
QPF 12hr                   0.38        0.01           0           0           0
Rain shwrs        S  C  L  D  C  S                                            C
Tstms             S  C  L  D


Date           02/27  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17  Fri 03/03/17
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          59      48    69      57    65      39    55      35    57
Temp          53 55   51 49 64 66   60 57 64 58   46 40 52 49   41 36 53 50
Dewpt         36 39   44 49 57 55   57 56 56 45   37 31 30 29   28 27 29 25
PWind Dir         S      SW    SW      SW    SW      NW    NW       W     W
Wind Char        LT      LT    GN      GN    BZ      GN    LT      LT    GN
Avg Clouds    B2 B2   B2 B2 B2 B1   B1 B2 OV OV   B1 B1 SC FW   FW FW FW FW
PoP 12hr         30      60    50      70    70      40    10      10    10
Rain shwrs     C  C    L  L  C  C    L  L  L  L    C  C
Tstms                        C  C    L  L  L  L

$$

TNZ036-250900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
309 PM EST Fri Feb 24 2017

Date           02/24/17      Sat 02/25/17            Sun 02/26/17            Mon
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                      49          52          27          53          34
Temp          75 72 66 60 57 52 48 50 48 45 38 34 31 29 37 47 52 47 42 39 37 36
Dewpt         53 51 54 52 51 44 37 31 24 21 22 21 21 20 21 19 16 20 21 25 26 28
RH            46 48 65 75 80 74 65 48 39 38 52 58 66 69 52 32 24 34 43 57 64 72
Wind Dir       S  S  S SW SW  W  W  W  W  W  W NW NW  W  E  S  S SE  S SE  E NE
Wind Spd      13  9 10 11  9 11 12 13 11  6  3  3  2  2  2  2  3  2  2  1  2  2
Clouds        SC B1 B1 OV OV B2 B1 SC SC B1 SC SC FW CL FW FW FW SC SC B1 B1 B2
PoP 12hr                     80          30           0           0           5
QPF 12hr                   0.60        0.01           0           0           0
Rain shwrs        C  L  D  D  C  S                                            C
Tstms             C  L  D  D


Date           02/27  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17  Fri 03/03/17
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          59      46    69      54    65      38    56      35    57
Temp          53 55   50 47 64 65   58 55 63 57   46 39 53 50   41 36 53 50
Dewpt         35 38   44 47 56 54   56 55 53 42   36 31 28 29   27 27 28 24
PWind Dir         S      SW    SW      SW    SW      NW     W       W     W
Wind Char        LT      LT    GN      LT    GN      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 B2 B2 B1   B1 OV OV B2   B1 B1 SC FW   FW FW SC FW
PoP 12hr         30      60    40      70    70      30     5      10     5
Rain shwrs     C  C    L  L  C  C    L  L  L  L    C  C
Tstms                        C  C    L  L  L  L

$$

TNZ099-250900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
309 PM EST Fri Feb 24 2017

Date           02/24/17      Sat 02/25/17            Sun 02/26/17            Mon
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                      50          56          31          57          39
Temp          76 74 66 61 56 53 49 55 54 49 42 38 35 33 41 51 56 51 47 44 42 40
Dewpt         55 53 56 55 51 43 36 29 25 21 26 25 25 24 23 19 17 22 27 29 30 32
RH            48 48 70 81 83 69 61 37 32 33 53 59 66 69 48 28 21 32 45 55 62 73
Wind Dir       S  S  S SW SW NW  W NW NW NW NW  N  N  N NE NE  S  S  S  S SE SE
Wind Spd      14  9  9  9 10 10 11 12 12 10  6  4  3  4  5  2  4  4  3  3  4  3
Clouds        SC SC B1 B2 OV SC SC FW FW FW FW FW FW CL CL FW FW FW FW B1 B1 B2
PoP 12hr                     70          20           0           0           5
QPF 12hr                   0.28        0.01           0           0           0
Rain shwrs        C  L  L  C  S                                               C
Tstms             C  L  L  S


Date           02/27  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17  Fri 03/03/17
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          57      50    71      58    66      40    58      37    59
Temp          53 55   52 51 66 67   62 58 65 59   47 41 55 52   43 38 55 52
Dewpt         36 44   48 51 58 58   60 58 56 44   38 33 29 30   29 29 29 30
PWind Dir         S       S     S       S     W      NW    NW      NW    NW
Wind Char        LT      LT    LT      GN    GN      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 B2 B2 B1   B2 OV OV B2   B1 SC SC FW   FW FW FW SC
PoP 12hr         50      60    50      60    60      30     5      10     5
Rain shwrs     C  C    L  L  C  C    L  L  L  L    C  C
Tstms                        C  C    L  L  L  L

$$

NCZ060-250900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
309 PM EST Fri Feb 24 2017

Date           02/24/17      Sat 02/25/17            Sun 02/26/17            Mon
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                      52          56          26          56          34
Temp          73 68 60 58 56 52 55 56 52 47 40 35 31 28 37 49 55 49 44 40 38 35
Dewpt         54 53 54 54 53 49 42 31 28 22 23 22 22 20 20 15 14 19 22 25 25 28
RH            51 59 81 86 90 89 61 38 39 37 50 59 69 71 50 25 19 30 41 55 59 75
Max/Min RH                   93          37          71          19          75
Wind Dir       S  S  S  S  S  W NW NW NW NW NW  N  N  N  N  W  W  S SE SE SE SE
Wind Dir Deg  17 17 17 18 19 26 29 29 29 30 31 33 33 33  1 28 24 17 15 13 13 13
Wind Spd      12 10 10  9 10  8 10 13 13 10  5  5  4  4  3  3  4  3  3  3  4  4
Clouds        SC SC B1 B2 OV B2 B1 FW FW FW FW CL FW CL CL FW FW FW FW SC B1 B2
Clouds (%)    46 40 67 83 89 73 53 11 15 20  8  3  8  1  2 10  7 20 16 48 61 76
Vsby          10 10 10  6  4  6 10 10
PoP 12hr                     70          40           0           0           5
QPF 12hr                   0.13        0.01           0           0           0
Rain shwrs           S  L  L  C  S                                            C
Tstms                S  L  L
Haines                                    3                       5
LAL               1     4     4     1     1     1     1     1     1     1     1
Max Mix Hgt                            6500                    3300
AGL Mix Hgt                            4800                    1700
Max Vent Rt                          104700                    9500
T Wind Dir                                W                      NW
T Wind Spd                               21                       5
ADI                                      91                       8
Max LVORI                                 4                       3
Stability         B     D     E     C     B     F     G     B     B     G     F
Ceiling        4700  3200  8000  NONE  4700  NONE  NONE 20800 15900 12700 12700
Sta Pres      27.72 27.69 27.72 27.78 27.86 27.97 28.01 28.05 28.04 28.08 28.05


Date           02/27  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17  Fri 03/03/17
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          55      46    67      54    65      35    55      33    56
Temp          50 52   49 47 62 63   58 55 63 57   43 36 51 49   39 34 52 49
Dewpt         31 40   46 47 55 56   57 55 54 44   36 30 26 27   27 26 27 26
PWind Dir        SE      SE     S       S    SW      NW    NW      NW    NW
Wind Char        LT      LT    LT      LT    GN      GN    LT      LT    GN
Avg Clouds    B2 B2   B2 B2 B2 B2   B2 OV OV B2   B2 B1 SC FW   FW FW SC FW
PoP 12hr         50      70    60      60    60      40     5      10    10
Rain shwrs     C  C    L  L  L  L    L  L  L  L    C  C
Tstms                        C  C    L  L  L  L

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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