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

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Point Forecast Matrices
National Weather Service Morristown TN
253 AM EST Sun Feb 19 2017

TNZ017-192100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
253 AM EST Sun Feb 19 2017

Date             Sun 02/19/17            Mon 02/20/17            Tue 02/21/17
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                      63          39          69          46          66
Temp          47 45 51 59 62 55 50 46 43 41 50 62 68 62 56 52 50 47 54 61 65 60
Dewpt         45 44 43 45 45 45 44 41 40 40 42 43 43 43 43 43 42 42 44 47 47 47
RH            93 96 74 60 54 69 80 83 89 96 74 50 40 50 62 71 74 83 69 60 52 62
Wind Dir      SW  W  W  W  W  W  W  E NE NE NE  N  N NE SE SE SE SE  S  S  S SE
Wind Spd       3  3  4  5  5  2  1  1  2  3  4  3  3  4  5  5  3  4  8  8  5  5
Clouds        OV OV OV B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC B1 B1 B1 B1 B2
PoP 12hr                     20           0           0           0          20
QPF 12hr                   0.01           0           0           0        0.01
Drizzle        O  O
Rain shwrs     S  S  S                                                     S  S
Obvis         PF PF


Date          Wed 02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17
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          47    69      49    68      50    69      42    54
Temp          52 48 64 63   55 50 64 62   55 51 65 60   50 43 51 47
Dewpt         46 46 48 47   45 46 49 48   47 47 50 49   46 41 30 29
PWind Dir        SE    SW       S    SW       S     S      SW     W
Wind Char        LT    LT      LT    LT      LT    GN      GN    GN
Avg Clouds    B2 OV B2 B1   B1 B1 B1 B1   B2 B1 B2 B1   B1 B2 B1 B1
PoP 12hr         40    30      20    30      30    40      50    30
Rain shwrs     S  C  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$

TNZ071-192100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
253 AM EST Sun Feb 19 2017

Date             Sun 02/19/17            Mon 02/20/17            Tue 02/21/17
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                      66          42          71          50          68
Temp          48 47 54 61 65 58 53 49 46 44 53 64 70 64 59 56 54 51 57 64 67 62
Dewpt         48 47 46 48 48 48 46 44 43 42 44 46 47 47 47 47 46 46 48 50 50 50
RH           100100 74 62 54 69 77 83 89 93 71 52 44 54 64 72 74 83 72 60 54 65
Wind Dir       S SW  W  N  N  E  E  E  E  E NE NE NE  N SE  S SE SE  S  S SW  S
Wind Spd       1  1  1  2  2  1  2  2  2  2  4  4  3  3  2  3  2  3  4  8  6  3
Clouds        OV OV B2 B1 SC FW FW FW FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     10           0           0           0          20
QPF 12hr                      0           0           0           0        0.01
Drizzle        O
Rain shwrs     S                                                           S  C
Obvis         PF PF


Date          Wed 02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17
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    72      52    72      54    71      45    57
Temp          54 50 67 66   58 53 67 66   59 55 67 63   52 46 54 50
Dewpt         50 50 52 49   48 48 53 51   50 51 52 51   48 42 35 33
PWind Dir         S    SW      SW    SW       S    SW      SW    NW
Wind Char        LT    LT      LT    GN      LT    GN      GN    LT
Avg Clouds    B2 OV B2 B1   B1 B1 B2 B1   B1 B1 B1 B1   B1 B2 B1 B1
PoP 12hr         40    30      20    20      20    30      50    20
Rain shwrs     C  C  C  C    S  S  S  S    S  S  C  C    C  C  S  S

$$

TNZ036-192100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
253 AM EST Sun Feb 19 2017

Date             Sun 02/19/17            Mon 02/20/17            Tue 02/21/17
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          42          71          50          69
Temp          48 47 54 63 66 60 53 49 46 44 53 64 70 64 59 56 54 51 57 65 68 63
Dewpt         47 46 48 48 48 48 46 44 45 42 44 46 47 47 47 47 46 46 48 50 50 50
RH            96 96 80 58 52 64 77 83 96 93 71 52 44 54 64 72 74 83 72 58 52 62
Wind Dir      SW SW NW  N  E SE  E NE NE  N NE  E  E  E  E  S  S  E  S  S SW  S
Wind Spd       1  1  2  2  0  1  1  1  2  2  4  4  3  3  2  2  1  1  3  8  8  4
Clouds        OV OV B2 B1 SC FW FW FW FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     10           0           0           5          20
QPF 12hr                      0           0           0           0        0.01
Rain shwrs                                                                 S  C
Obvis         PF PF


Date          Wed 02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17
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          50    72      51    70      51    70      43    57
Temp          55 51 67 65   57 52 66 64   56 52 66 61   51 44 54 50
Dewpt         50 50 52 48   49 48 52 51   51 50 53 50   47 41 33 31
PWind Dir         S    SW      SW    SW      SW    SW      SW    NW
Wind Char        LT    LT      LT    LT      LT    GN      GN    LT
Avg Clouds    B2 OV B2 B1   B1 B1 B2 B1   B1 B1 B2 B1   B1 B1 B1 B1
PoP 12hr         40    20      20    20      20    40      50    20
Rain shwrs     C  C  S  S    S  S  S  S    S  S  C  C    C  C  S  S

$$

TNZ099-192100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
253 AM EST Sun Feb 19 2017

Date             Sun 02/19/17            Mon 02/20/17            Tue 02/21/17
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          45          72          52          70
Temp          49 48 55 64 68 61 56 52 49 47 55 66 71 66 61 58 55 53 59 66 69 64
Dewpt         47 46 49 50 50 51 50 47 47 45 47 49 49 49 49 49 48 48 50 52 52 52
RH            93 93 80 60 52 70 80 83 93 93 74 54 46 54 65 72 77 83 72 61 55 65
Wind Dir       N  W NW  N  N NE NE  N  N  N NE NE  E  S SE SE SE SE  S  S  S SE
Wind Spd       2  1  2  4  4  2  1  2  2  2  3  2  4  3  3  3  2  3  6  8  8  5
Clouds        OV OV B2 SC SC SC FW FW FW FW FW FW FW SC SC B1 B1 B1 B1 B2 B2 B2
PoP 12hr                      5           0           0           5          20
QPF 12hr                      0           0           0           0        0.01
Rain shwrs                                                                 S  C
Obvis         PF PF


Date          Wed 02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17
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      53    73      55    72      45    58
Temp          57 53 68 67   59 54 68 67   60 56 68 63   53 46 55 52
Dewpt         52 52 53 52   52 50 53 53   52 53 54 53   49 44 35 35
PWind Dir         S     S       S     S       S     S       W     N
Wind Char        LT    LT      LT    LT      LT    GN      GN    LT
Avg Clouds    B2 B2 B2 B1   B1 B1 B1 B1   B1 B1 B2 B1   B1 B1 B1 B1
PoP 12hr         40    30      20    20      20    40      40    10
Rain shwrs     C  C  C  C    S  S  S  S    S  S  C  C    C  C
Tstms                                            S  S

$$

NCZ060-192100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
253 AM EST Sun Feb 19 2017

Date             Sun 02/19/17            Mon 02/20/17            Tue 02/21/17
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                      66          36          69          49          66
Temp          45 44 52 61 64 56 49 44 41 38 49 61 68 63 58 55 52 50 55 62 65 61
Dewpt         45 44 50 48 48 48 44 42 39 38 43 45 46 46 46 46 45 45 46 47 47 47
RH           100100 93 62 56 74 83 93 92100 80 56 45 54 64 72 77 83 72 58 52 60
Min/Max RH                   54         100          45          83          52
Wind Dir       N NW NW  N NW NW NE  E  E  E  E  S  S  S SE SE SE SE SE  S  S SE
Wind Dir Deg   2 29 31 33 32 32  3  7  9  7 10 19 19 18 13 13 13 13 15 16 17 14
Wind Spd       1  2  4  6  6  3  2  2  2  4  4  3  3  4  5  4  4  5  5  9  6  6
Clouds        OV OV B2 B1 SC FW CL CL CL SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B2
Clouds (%)    94 92 81 57 35  9  5  5  5 26 26 26 26 39 39 55 55 59 59 68 68 81
Vsby           1  0  1 10 10 10  6  1
PoP 12hr                     10           0           0           5          20
QPF 12hr                      0           0           0           0        0.01
Rain shwrs                                                                 S  C
Obvis         PF PF
Haines                        3                       5
LAL               1     1     1     1     1     1     1     1     1     1     1
Max Mix Hgt                4000                    4200
AGL Mix Hgt                2300                    2500
Max Vent Rt               31600                   14500
T Wind Dir                   NW                       S
T Wind Spd                   13                       5
ADI                          28                      13
Max LVORI                     4                       5
Stability         D     C     B     G     G     B     B     F     E     C     C
Ceiling        1700  3200  NONE  NONE 23500 23500 23500 20800 18200 14800  4000
Sta Pres      27.92 27.98 28.01 28.05 28.07 28.10 28.11 28.10 28.10 28.08 28.03


Date          Wed 02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17
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    69      49    70      49    68      42    55
Temp          54 50 64 63   55 50 65 63   55 50 64 60   49 43 52 48
Dewpt         48 48 50 49   47 46 51 51   49 50 51 50   47 42 31 30
PWind Dir        SE    SW       S     S       S     S      SW    NW
Wind Char        LT    LT      LT    LT      LT    LT      GN    LT
Avg Clouds    B2 OV B2 B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B2 B1 B1
PoP 12hr         40    30      20    20      20    30      40    20
Rain shwrs     C  C  C  C    S  S  S  S    S  S  C  C    C  C  S  S
Tstms                                            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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