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

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Point Forecast Matrices
National Weather Service Morristown TN
241 AM EDT Mon Aug 21 2017

TNZ017-212100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
241 AM EDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      89          66          88          69          80
Temp          65 67 78 85 88 82 75 71 69 68 78 86 87 82 76 73 71 70 75 79 79 74
Dewpt         65 65 68 65 64 69 66 66 65 66 69 67 67 69 68 68 68 69 70 70 70 67
RH           100 93 71 51 45 65 74 84 87 93 74 53 52 65 76 84 90 97 84 74 74 79
Wind Dir       E  E SW SW SW  S SE SE SE  S SW SW SW SW SW SW SW  S SW SW  W  N
Wind Spd       3  2  3  2  1  6  2  3  3  3  6  8 10  6  4  5  6  3  6  5  4  3
Clouds        SC SC FW SC SC SC FW FW SC SC SC SC SC SC B1 B1 OV OV B2 B2 B2 B2
PoP 12hr                     10           5          20          50          60
QPF 12hr                      0           0        0.01        0.06        0.21
Rain shwrs                                         S  C  C  C  C  L  L  L  L  S
Tstms                                              S  C  C  C  C  L  L  L  L  S
Obvis         PF PF                   PF


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    79      58    82      60    81      62    80
Temp          65 62 77 73   63 60 79 76   65 62 79 75   66 63 78 74
Dewpt         62 59 58 59   58 58 60 62   60 60 62 62   61 61 62 62
PWind Dir         N    NE      NE     E       E    NE       E     S
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 SC SC SC   SC FW FW SC   SC SC SC B1   SC SC SC B1
PoP 12hr         20     5       5    10      10    10       5    20
Rain shwrs     S                                               S  S
Tstms          S                                               S  S

$$

TNZ071-212100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
241 AM EDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      91          72          90          72          84
Temp          70 71 81 87 90 85 79 76 74 73 82 88 89 85 79 76 74 73 79 83 83 78
Dewpt         68 68 69 66 64 68 67 68 67 69 71 69 68 69 70 70 70 70 71 71 71 68
RH            93 90 67 50 42 57 67 76 79 87 69 54 50 59 74 82 87 90 77 67 67 71
Wind Dir      SE SE  W NW SE SE SE  S  S  S SW SW SW SW  S SW  W  W SW  W NW  N
Wind Spd       2  2  1  0  0  3  3  3  3  4  5  8  9  6  6  8  8  8  5  4  6  4
Clouds        SC FW CL FW FW SC FW SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2
PoP 12hr                     10           5          20          40          60
QPF 12hr                      0           0        0.01        0.02        0.26
Rain shwrs                                         S  C  C  C  C  L  L  L  L  C
Tstms                                              S  C  C  C  C  L  L  L  L  S
Obvis         PF PF                   PF


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    82      62    84      64    83      66    82
Temp          69 66 80 76   66 64 82 78   68 66 81 78   70 67 80 77
Dewpt         65 61 62 60   59 60 63 63   63 63 65 64   63 63 64 64
PWind Dir        NE    NE      NE     N      NE    NE       E     S
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 SC SC FW   FW FW SC SC   SC SC SC B1   B1 B1 SC B1
PoP 12hr         30     5       5     5      10    10      10    20
Rain shwrs     C                                               S  S
Tstms          S                                               S  S

$$

TNZ036-212100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
241 AM EDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      90          72          90          73          83
Temp          71 72 81 87 89 85 79 76 74 73 82 88 89 85 79 77 75 74 79 82 82 77
Dewpt         67 69 70 67 64 69 67 68 67 69 71 70 69 71 71 70 70 70 70 71 70 68
RH            87 90 69 52 44 59 67 76 79 87 69 55 52 63 77 79 84 87 74 69 67 74
Wind Dir      NE NE  S  S  S  S SE  S  E  S SW SW SW SW  S SW  W SW  W  W NW  N
Wind Spd       2  1  1  2  3  2  2  2  1  1  5  8  9  3  5  6  8  5  4  3  5  2
Clouds        SC FW CL FW FW FW FW FW FW SC SC SC SC SC B1 B1 B2 B2 B2 OV B2 B1
PoP 12hr                      5           5          20          50          70
QPF 12hr                      0           0        0.04        0.02        0.30
Rain shwrs                                      S  S  C  C  C  C  L  L  L  L  S
Tstms                                           S  S  C  C  C  C  L  L  L  L  S


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    82      61    83      64    83      66    83
Temp          68 65 80 76   66 63 81 77   68 66 81 78   70 67 81 78
Dewpt         64 60 60 60   58 58 62 64   63 62 65 65   63 64 64 65
PWind Dir        NE    NE      NE    NE      NE    NE       E     S
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 SC SC FW   FW FW FW SC   SC SC SC B1   B1 SC SC B1
PoP 12hr         20     0       5     5      10    10       5    20
Rain shwrs     S                                               S  S
Tstms          S                                               S  S

$$

TNZ099-212100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
241 AM EDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      93          73          93          74          87
Temp          73 74 84 90 92 87 80 77 75 75 84 91 92 87 81 78 76 75 81 86 86 81
Dewpt         69 69 71 67 65 68 69 69 69 71 72 68 68 70 70 71 71 71 71 70 69 69
RH            87 84 65 47 41 53 69 76 82 87 67 47 46 57 69 79 85 87 72 59 57 67
Wind Dir       N  N SE SE  S SE  E SE SE  S  S SW SW  S  S SW SW NW NW NW  N  N
Wind Spd       2  1  2  3  3  3  2  1  1  2  4  5  5  5  3  5  5  4  2  3  5  4
Clouds        FW FW FW FW SC FW FW FW FW SC FW SC SC SC SC B1 B1 B1 SC B2 B2 B2
PoP 12hr                     10           5          20          30          60
QPF 12hr                      0           0        0.04        0.02        0.30
Rain shwrs                                      S  S  C  C  C  C  L  L  L  L  C
Tstms                                           S  S  C  C  C  C  L  L  L  L  S
Obvis         PF PF                   PF


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          68    85      65    86      67    86      68    85
Temp          72 69 83 79   69 67 84 80   71 69 84 81   72 69 83 80
Dewpt         67 65 62 61   60 60 65 64   66 65 64 65   66 64 64 64
PWind Dir         N     N      NE     E      NE    SE       E    SE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B1 SC SC   FW FW SC SC   SC SC SC B1   B1 SC B1 B1
PoP 12hr         30     5       5    10       5    20       5    20
Rain shwrs     C  S                              S  S          S  S
Tstms          S                                 S  S          S  S

$$

NCZ060-212100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
241 AM EDT Mon Aug 21 2017

Date             Mon 08/21/17            Tue 08/22/17            Wed 08/23/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      91          64          89          68          84
Temp          64 64 78 86 90 83 74 70 67 66 78 86 88 83 76 73 71 69 77 82 83 78
Dewpt         64 64 69 65 65 68 67 67 67 66 72 69 68 70 68 68 67 68 70 69 69 70
RH           100100 74 50 44 61 79 90100100 82 57 52 65 76 84 87 97 79 65 63 76
Min/Max RH                   44         100          52          97          63
Wind Dir       E  E  E  S  S SE SE SE SE  E SW SW SW SW  S  S  S  W NW  W NW NW
Wind Dir Deg   8  7 11 16 18 14 13 13 12 11 20 22 22 20 17 19 18 26 30 28 30 32
Wind Spd       3  3  1  2  4  2  3  3  3  3  4  5  5  4  2  3  4  8  5  5  8  2
Clouds        FW FW CL SC SC SC FW FW SC SC SC SC SC SC SC SC SC B1 SC B2 B2 B2
Clouds (%)    18  9  1 33 36 28 24 18 28 30 36 38 49 26 44 35 50 54 43 80 71 77
Vsby           7  7 10 10 10 10  6  5
PoP 12hr                     10           5          30          30          60
QPF 12hr                      0           0        0.08        0.02        0.21
Rain shwrs                                S  S  C  C  C  C  C  C  L  L  L  L  C
Tstms                                     S  S  S  C  C  C  C  C  L  L  L  L  S
Obvis         PF PF                   PF
Haines                        4                       4
LAL               1     1     1     1     2     2     3     3     4     4     4
Max Mix Hgt                7000                    6800
AGL Mix Hgt                5300                    5100
Max Vent Rt               18400                   41400
T Wind Dir                    S                      SW
T Wind Spd                    3                       8
ADI                          16                      36
Max LVORI                     5                       4
Stability         G     A     A     G     G     B     A     G     E     C     B
Ceiling        NONE  7200  6300  6300  8900  5500  6300  NONE  5500  5500  9800
Sta Pres      28.14 28.11 28.09 28.08 28.08 28.03 27.97 27.95 27.92 27.90 27.85


Date          Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          64    83      62    83      62    83      63    81
Temp          68 66 81 77   67 64 81 77   67 64 81 77   67 64 79 75
Dewpt         65 64 65 65   63 63 64 67   64 61 65 66   63 61 63 64
PWind Dir         N     N      NE    SE       E    SE      SE    SE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2 B1 SC   SC SC SC SC   SC SC SC B1   B1 B1 B1 B1
PoP 12hr         40    20      10    10      10    20      20    20
Rain shwrs     C  C  S  S                        S  S    S  S  S  S
Tstms          S                                 S  S    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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