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

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Point Forecast Matrices
National Weather Service Morristown TN
341 AM EST Tue Feb 21 2017

TNZ017-212100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
341 AM EST Tue Feb 21 2017

Date             Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      68          48          63          49          70
Temp          45 43 53 62 67 62 57 54 51 49 54 60 62 59 55 53 51 50 57 65 69 63
Dewpt         37 36 44 45 46 45 46 47 48 48 49 53 52 52 50 49 49 48 53 52 53 51
RH            73 76 71 54 47 54 67 77 89 96 83 78 70 78 83 86 93 93 86 63 57 65
Wind Dir       E SE SE  S  S SE SE  E  E  E  E SW NE NE  E SE SE  S  S  S  S  S
Wind Spd       1  4  5  8  6  5  4  4  3  3  3  1  2  2  2  3  2  2  3  4  4  3
Clouds        B1 B1 B1 B1 B1 B2 OV OV OV OV OV B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B1
PoP 12hr                      5          70          80          10          30
QPF 12hr                      0        0.14        0.39           0        0.02
Rain shwrs                    C  C  L  L  D  D  C  S                    C  C
Tstms                                                                   S  S


Date          Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          49    73      48    55      29    49      32    55
Temp          55 50 67 65   55 48 53 47   36 30 44 44   37 33 50 51
Dewpt         49 49 52 52   53 48 35 28   25 22 23 24   26 27 32 36
PWind Dir         S     S       S     W      NW     W       W    SW
Wind Char        LT    LT      LT    GN      GN    LT      LT    LT
Avg Clouds    B1 B1 SC FW   SC B2 B2 B1   B1 SC SC SC   B1 B1 B1 B1
PoP 12hr         10    10      60    40      10     5      20    20
Rain shwrs                   C  L  C  C                     S     S
Snowshwrs                                                   S
Tstms                        C  C

$$

TNZ071-212100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
341 AM EST Tue Feb 21 2017

Date             Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      69          53          65          52          71
Temp          45 43 53 63 68 64 60 57 56 54 58 62 64 61 58 56 54 53 59 67 70 65
Dewpt         42 43 47 50 51 52 52 53 52 51 53 56 55 55 53 51 51 49 55 55 55 54
RH            89100 80 62 54 65 75 86 86 90 83 81 73 81 83 83 90 86 87 65 59 68
Wind Dir       N SE SE  S SE SE  E  E  E NE NE  N SE SE SE SW  S SE SW SW SW  S
Wind Spd       2  3  3  8  5  3  3  2  2  3  3  2  1  1  3  1  2  3  6  8  6  4
Clouds        B1 B2 B1 B1 B2 OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1
PoP 12hr                     30          70          60          10          30
QPF 12hr                   0.03        0.17        0.13           0        0.01
Rain shwrs                 C  C  L  L  L  L  L  C  S                    C  C
Tstms                                                                   S  S


Date          Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          53    75      50    55      33    53      37    59
Temp          58 54 70 67   57 50 54 48   39 34 48 48   41 38 54 55
Dewpt         51 52 56 54   54 45 33 29   25 24 27 27   30 30 38 38
PWind Dir         S     S      SW     W       W    SW       S    SW
Wind Char        LT    GN      GN    GN      LT    LT      LT    LT
Avg Clouds    B1 SC SC SC   B1 B2 B1 B1   SC SC FW FW   B1 B1 B2 B2
PoP 12hr         10    20      70    30       5     5      10    20
Rain shwrs              S    L  L  C  S                           S
Tstms                   S    L  C

$$

TNZ036-212100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
341 AM EST Tue Feb 21 2017

Date             Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      70          53          66          53          70
Temp          47 45 55 64 69 65 60 58 56 54 58 63 65 62 59 57 55 54 59 66 69 64
Dewpt         44 44 47 50 51 52 52 53 52 51 53 55 55 54 53 51 52 50 54 55 55 53
RH            89 96 74 60 53 63 75 83 86 90 83 75 70 75 80 80 90 86 83 68 61 67
Wind Dir       E  E SE  S  S  S  E NE NE NE NE NE  S SE SE NW SW  S SW SW SW  S
Wind Spd       0  1  2  8  6  3  2  3  2  3  3  1  3  2  2  1  3  2  5  9  8  3
Clouds        B1 B1 B1 B1 OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1
PoP 12hr                     30          70          60          10          30
QPF 12hr                   0.03        0.17        0.14           0        0.01
Rain shwrs              S  C  C  L  L  L  L  L  C  S                    C  C
Tstms                                                                   S  S


Date          Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          52    74      48    55      32    53      36    59
Temp          57 53 69 66   55 48 53 48   38 33 48 48   41 37 54 55
Dewpt         52 52 55 53   55 44 31 27   25 24 26 27   30 29 36 38
PWind Dir         S    SW      SW     W      NW     W      SW    SW
Wind Char        LT    GN      GN    GN      LT    LT      LT    LT
Avg Clouds    B1 B1 B1 SC   B1 B2 SC B1   SC SC FW FW   B1 B1 B2 B2
PoP 12hr         10    20      60    20       5     5      20    30
Rain shwrs              S    L  L  S  S                  S  S  S  C
Tstms                   S    L  C

$$

TNZ099-212100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
341 AM EST Tue Feb 21 2017

Date             Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      67          55          68          54          72
Temp          50 48 55 63 66 63 60 58 57 56 60 65 67 64 60 58 56 55 61 68 71 67
Dewpt         47 48 49 51 55 56 56 56 55 55 56 56 57 56 56 54 54 53 56 56 57 55
RH            89100 80 65 68 78 87 93 93 96 87 73 70 75 87 86 93 93 84 65 61 65
Wind Dir       N SE SE SE SE SE SE SE  E  N NE NE  E NE SE SW SE  S  S  S  S  S
Wind Spd       2  4  8 11  9  5  3  2  2  2  2  2  2  2  2  2  1  3  5  6  8  5
Clouds        B2 B2 B1 OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1
PoP 12hr                     70          70          50          10          20
QPF 12hr                   0.08        0.19        0.07           0        0.01
Rain shwrs              L  L  L  L  L  L  C  C  C  S                    S  S
Tstms                                                                   S  S


Date          Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          55    74      50    57      34    56      38    62
Temp          60 56 70 66   57 50 55 50   40 35 51 50   43 39 56 58
Dewpt         55 54 56 56   56 45 30 28   28 27 25 28   33 33 37 39
PWind Dir         S     S      SW    NW      NW    NW      SW     S
Wind Char        LT    GN      GN    GN      LT    LT      LT    LT
Avg Clouds    B1 B1 B1 SC   SC B1 SC B1   SC FW FW FW   SC B1 B1 B2
PoP 12hr         10    20      60    20       5     5      10    20
Rain shwrs              S    L  L  S                              S
Tstms                   S    L  C

$$

NCZ060-212100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
341 AM EST Tue Feb 21 2017

Date             Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      65          50          67          51          70
Temp          43 41 50 59 64 60 57 54 53 51 56 63 66 62 58 55 54 52 58 66 69 64
Dewpt         43 41 46 49 50 52 52 53 52 51 53 56 56 55 54 51 52 51 55 54 54 54
RH           100100 86 69 60 75 83 96 96100 90 78 70 78 86 86 93 96 90 65 59 70
Min/Max RH                   60         100          70          96          59
Wind Dir       E SE SE SE SE SE SE SE SE  E  E  S  S SE SE SE SE  E  S  S  S SE
Wind Dir Deg   9 13 14 15 14 12 12 12 12 10 11 16 18 15 13 14 13 11 17 18 18 15
Wind Spd       2  8  9 11  9  6  6  6  4  4  3  3  3  1  4  4  3  3  4  8  9  4
Clouds        B1 B1 B1 B2 B2 OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1
Clouds (%)    59 62 67 77 85 99100100100 84 84 79 79 55 55 61 61 73 73 68 68 59
Vsby          10 10 10 10 10  4  4  2
PoP 12hr                     70          80          70          10          30
QPF 12hr                   0.04        0.28        0.08           0        0.01
Rain shwrs              C  L  L  L  D  D  L  L  C  S                    C  C
Tstms                                                                   S  S
Haines                        4                       3
LAL               1     1     1     1     1     1     1     1     1     2     2
Max Mix Hgt                5200                    2700
AGL Mix Hgt                3500                    1000
Max Vent Rt               73100                    7100
T Wind Dir                   SE                      SE
T Wind Spd                   20                       6
ADI                          64                       6
Max LVORI                     4                       9
Stability         E     C     D     D     D     B     B     F     F     C     B
Ceiling       23500 20800  3200  2400  2400  2400  8900  3200  4000  4000  4000
Sta Pres      28.00 27.97 27.93 27.88 27.86 27.87 27.84 27.85 27.84 27.82 27.79


Date          Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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          52    73      48    54      30    53      34    60
Temp          57 53 68 65   55 48 53 46   37 31 48 47   39 36 54 54
Dewpt         53 53 55 55   54 47 32 27   25 25 23 26   30 30 36 36
PWind Dir        SE     S       S    NW      NW    NW       W     W
Wind Char        LT    LT      LT    GN      LT    LT      LT    LT
Avg Clouds    B1 B1 B1 SC   B1 B2 B1 SC   SC FW FW FW   SC SC B1 B1
PoP 12hr         10    20      60    20       5     5       5    20
Rain shwrs              S    L  L  S  S                           S
Tstms                   S    L  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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