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

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Point Forecast Matrices
National Weather Service Morristown TN
443 PM EDT Thu Sep 21 2017

TNZ017-220900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
443 PM EDT Thu Sep 21 2017

Date           09/21/17      Fri 09/22/17            Sat 09/23/17            Sun
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      61          85          60          86          58
Temp          83 76 69 66 64 62 73 82 84 76 69 66 63 61 74 83 85 76 68 64 62 59
Dewpt         63 65 64 62 60 60 65 64 63 64 61 62 60 60 65 63 62 62 60 60 56 57
RH            51 69 84 87 87 93 76 55 49 66 76 87 90 97 74 51 46 62 76 87 81 93
Wind Dir       N NE  E  E  E  E  E NE  N  E NE  E  E NE  E  N NE NE  E  E  E  E
Wind Spd       2  2  0  1  1  1  1  1  3  1  2  2  1  1  2  3  3  3  2  1  2  1
Clouds        SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW SC SC FW FW FW FW FW
PoP 12hr                     10          10           5           5           5
QPF 12hr                      0           0           0           0           0
Rain shwrs     C
Tstms          C
Obvis                     PF                      PF


Date           09/24  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          85      58    84      60    84      60    83      59    79
Temp          81 76   64 59 81 76   66 61 81 76   66 61 80 75   65 60 76 71
Dewpt         57 59   57 57 60 62   61 60 62 62   61 60 61 63   61 60 61 61
PWind Dir         E       E    NE       E    NW       N    NW      NW    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW   FW FW FW FW   SC FW SC FW   FW FW FW FW   FW FW SC SC
PoP 12hr          0       5     5       5    10      10    10      10    20
Rain shwrs                                                             S  S
Tstms                                                                  S  S

$$

TNZ071-220900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
443 PM EDT Thu Sep 21 2017

Date           09/21/17      Fri 09/22/17            Sat 09/23/17            Sun
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      66          86          65          87          63
Temp          84 78 73 70 68 67 76 83 85 79 73 70 68 66 76 84 86 79 72 69 66 64
Dewpt         64 65 66 66 65 65 67 66 65 65 64 64 64 63 66 65 63 65 63 63 61 61
RH            51 64 79 87 90 93 74 57 51 62 73 81 87 90 71 53 46 62 73 81 84 90
Wind Dir      NE NE NE NE NE NE NE  N  N  E SE  E  E SE  N  N NE NE  E  E  E  E
Wind Spd       5  4  3  2  1  2  2  2  4  3  2  2  1  2  2  3  5  3  3  2  1  2
Clouds        FW FW FW CL FW SC SC SC SC SC SC FW FW FW FW SC SC SC SC FW FW FW
PoP 12hr                     10          20           5           5           5
QPF 12hr                      0        0.03           0           0           0
Rain shwrs     S                    S  S
Tstms          S                    S  S


Date           09/24  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      62    86      63    86      63    86      63    82
Temp          83 78   68 63 83 78   68 64 83 78   68 64 83 78   68 64 80 75
Dewpt         62 62   60 59 62 63   62 61 63 63   62 61 63 63   62 61 63 62
PWind Dir        NE      NE     N       E    NW      NE     N      NE    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW SC   FW FW FW FW   SC FW FW FW   FW FW FW FW   FW FW SC SC
PoP 12hr          5       5     5       5     5       5    10      10    20
Rain shwrs                                                             S  S
Tstms                                                                  S  S

$$

TNZ036-220900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
443 PM EDT Thu Sep 21 2017

Date           09/21/17      Fri 09/22/17            Sat 09/23/17            Sun
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      66          87          65          87          64
Temp          85 79 73 71 69 67 77 84 86 79 73 70 68 66 76 84 86 79 72 69 67 65
Dewpt         64 67 67 67 65 65 67 66 66 66 65 65 64 65 66 65 64 66 64 63 62 63
RH            50 67 81 87 87 93 71 55 51 64 76 84 87 97 71 53 48 64 76 81 84 93
Wind Dir      NE NE NE NE NE NE  E  E NE NE NE NE NE  E  E  E NE NE NE NE NE NE
Wind Spd       2  1  0  1  1  1  1  2  2  1  1  1  1  1  2  2  3  2  2  1  1  0
Clouds        SC FW FW CL FW SC SC SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW
PoP 12hr                     10          20           5           5           5
QPF 12hr                      0        0.03           0           0           0
Rain shwrs     S                    S  S
Tstms          S                    S  S
Obvis                                                PF


Date           09/24  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      63    86      63    86      64    85      63    81
Temp          83 78   68 64 83 78   68 64 83 78   69 65 82 77   68 64 79 74
Dewpt         62 63   61 60 63 64   62 63 64 65   62 62 64 65   63 62 63 61
PWind Dir        NE      NE     W      NE    NW      NE     W       N    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW SC   FW FW FW SC   SC FW FW FW   FW FW FW SC   FW FW SC B1
PoP 12hr          5       5     5      10     5       5    10      10    20
Rain shwrs                                                             S  S
Tstms                                                                  S  S

$$

TNZ099-220900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
443 PM EDT Thu Sep 21 2017

Date           09/21/17      Fri 09/22/17            Sat 09/23/17            Sun
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      68          88          66          87          65
Temp          88 82 76 73 71 69 78 85 87 80 74 71 69 67 77 84 86 79 73 70 68 66
Dewpt         65 67 67 67 66 66 68 67 66 68 67 66 66 65 67 66 64 66 66 66 64 63
RH            47 61 74 81 84 90 71 55 50 67 79 84 90 93 71 55 48 64 79 87 87 90
Wind Dir      NE  N  N NW  W  N NE  E NE NE  E SE NE NE  E  E NE NE  E  E NE  E
Wind Spd       6  1  3  1  0  0  2  2  3  3  1  1  1  2  2  3  4  3  2  1  1  1
Clouds        SC SC SC CL FW SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC FW FW FW
PoP 12hr                     10          20           5          10           5
QPF 12hr                      0        0.03           0           0           0
Rain shwrs     S                    S  S
Tstms          S                    S  S
Obvis                                             PF


Date           09/24  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      64    86      65    87      66    86      65    84
Temp          83 78   69 65 83 79   70 66 84 80   71 67 83 79   70 66 82 77
Dewpt         63 64   63 61 63 63   63 63 64 65   64 63 63 65   64 62 63 63
PWind Dir         E       W    NE       N     N       N     N       N    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW SC   FW FW FW FW   SC SC FW FW   FW FW FW FW   FW FW SC SC
PoP 12hr          5       5    10       5     5       5    10      10    20
Rain shwrs                                                             S  S
Tstms                                                                  S  S

$$

NCZ060-220900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
443 PM EDT Thu Sep 21 2017

Date           09/21/17      Fri 09/22/17            Sat 09/23/17            Sun
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      62          87          60          85          57
Temp          87 79 71 68 65 63 75 84 86 78 70 66 64 61 73 82 84 75 67 63 61 58
Dewpt         63 67 65 62 61 62 67 67 66 67 63 64 61 61 67 63 64 65 62 60 56 57
RH            45 67 81 81 87 97 76 57 51 69 78 93 90100 81 53 51 71 84 90 84 96
Max/Min RH                   96          52          99          50          95
Wind Dir      NW  W  E SE  E  E SE SW NW NE  E  E  E  E  E  N  N SE SE  E  E  E
Wind Dir Deg  29 26  9 12 11  9 14 23 29  3 10 11 10  9 11 34  0 12 12 11  8  8
Wind Spd       2  1  0  1  1  1  1  2  3  1  2  2  2  2  1  3  3  2  2  2  2  1
Clouds        SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW FW FW
Clouds (%)    41 39 39 27 39 36 36 69 69 56 56 31 31 29 29 49 49 25 25  9  9 13
Vsby           0  0  0  0  0  0  0  0
PoP 12hr                     20          30          10          20           5
QPF 12hr                   0.01        0.03           0        0.01           0
Rain shwrs     C  S                 C  C                    S  S
Tstms          C  S                 C  C                    S  S
Obvis                     PF                      PF  F
Haines                                    3                       4
LAL               3     2     1     3     3     1     1     2     2     1     1
Max Mix Hgt                            7500                    8000
AGL Mix Hgt                            5800                    6300
Max Vent Rt                            6700                   21900
T Wind Dir                                E                      NE
T Wind Spd                                1                       3
ADI                                       6                      19
Max LVORI                                 7                       5
Stability         B     G     G     B     B     G     G     B     B     G     G
Ceiling        7200 15900 20800  5500  6300  7200 20800  7200  7200 20800 18200
Sta Pres      27.96 27.99 28.01 28.00 27.98 28.00 28.02 28.01 27.98 28.00 28.01


Date           09/24  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          83      58    84      59    83      59    84      58    82
Temp          80 74   64 59 81 75   65 60 80 75   65 60 81 75   64 59 79 73
Dewpt         61 63   58 57 62 64   60 59 63 64   59 59 62 65   60 59 62 64
PWind Dir         E      SE     N       E     N       N     N       N    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW SC   SC FW FW FW   SC FW FW FW   FW FW FW FW   FW FW SC FW
PoP 12hr          5       5     5       5     5       5    10      10    20
Rain shwrs                                                             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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