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

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Point Forecast Matrices
National Weather Service Morristown TN
943 PM EDT Sun Aug 20 2017

TNZ017-210900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
943 PM EDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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                      65          89          68          88          68
Temp                71 69 65 69 78 86 88 83 76 73 71 70 79 86 87 82 75 72 70 69
Dewpt               68 66 65 67 68 65 67 68 68 67 66 67 69 66 67 69 69 68 68 68
RH                  90 90100 93 71 50 50 61 76 81 84 90 72 51 52 65 82 87 93 97
Wind Dir             E  E  E SE SW SW SW SE  S  S  S  S SW SW SW SW SW SW SW  W
Wind Spd             2  3  3  2  4  3  3  3  2  2  2  1  5  9  9  5  3  3  3  3
Clouds              SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B2 OV
PoP 12hr                      5          10           0          10          50
QPF 12hr                      0           0           0           0        0.08
Rain shwrs                                                        C  C  C  C  L
Tstms                                                             C  C  C  C  L
Obvis                     PF PF


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          80      61    79      58    80      59    81      62    81
Temp          79 74   65 62 77 73   63 60 78 74   64 61 79 75   66 64 79 75
Dewpt         71 67   63 61 59 58   57 57 59 60   59 59 61 62   60 60 64 62
PWind Dir        NW       N    NE      NE    NE       E     N       E    SE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV B2   B2 B1 B1 SC   SC FW FW FW   FW FW SC SC   SC SC B1 B1
PoP 12hr         60      30     5       5     5       5    10      10    20
Rain shwrs     L  L    C                                               S  S
Tstms          L  L    C                                               S  S

$$

TNZ071-210900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
943 PM EDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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                      69          89          72          90          71
Temp                76 73 70 70 80 87 88 84 78 76 74 73 82 88 89 84 78 75 73 72
Dewpt               67 68 68 68 69 67 67 68 69 69 68 69 71 69 68 69 70 70 70 70
RH                  74 84 93 93 69 52 50 59 74 79 82 87 69 54 50 61 76 84 90 93
Wind Dir             E SE SE SE  S  W  S  S  S  S SW  S SW SW SW SW SW SW SW SW
Wind Spd             2  2  2  2  1  2  2  3  3  3  3  3  6  9  9  8  4  4  3  4
Clouds              SC FW SC FW FW FW FW SC SC SC SC FW SC SC SC B1 B1 B1 B2 B2
PoP 12hr                      0          10           5          10          40
QPF 12hr                      0           0           0           0        0.06
Rain shwrs                                                        C  C  C  C  L
Tstms                                                             C  C  C  C  L
Obvis                     PF PF


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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      65    83      62    83      63    84      66    83
Temp          82 78   69 66 81 77   67 64 81 77   67 65 82 79   70 67 81 78
Dewpt         71 69   66 64 61 59   60 59 61 62   61 61 63 65   63 63 65 65
PWind Dir         W       N    NE      NE    NE      NE    NW      NE     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 B1 SC SC   FW FW SC FW   FW SC SC SC   SC B1 B1 B1
PoP 12hr         60      30     5       5     5       5    10      10    20
Rain shwrs     L  L    C                                               S  S
Tstms          L  L    C                                               S  S

$$

TNZ036-210900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
943 PM EDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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                      70          91          72          90          71
Temp                76 74 71 71 82 89 90 85 79 76 74 73 82 88 89 84 78 75 73 72
Dewpt               69 68 67 69 70 68 65 69 70 70 69 69 71 69 70 71 71 71 70 70
RH                  79 82 87 93 67 50 44 59 74 82 84 87 69 54 54 65 79 87 90 93
Wind Dir             E NE NE  N SE SW  S  S  S SW SW SW SW SW SW SW SW SW  W  W
Wind Spd             1  2  2  2  2  3  4  2  1  1  1  1  4  5  5  4  2  2  2  2
Clouds              FW FW SC FW FW FW FW FW FW SC SC SC FW SC SC B1 B1 B1 B2 B2
PoP 12hr                      0           5           0          20          40
QPF 12hr                      0           0           0        0.02        0.09
Rain shwrs                                                  S  S  C  C  C  C  L
Tstms                                                       S  S  C  C  C  C  L


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          82      64    82      61    83      63    84      66    83
Temp          81 77   68 65 80 76   66 63 81 77   67 65 82 79   70 67 81 78
Dewpt         71 68   64 63 59 60   58 57 61 62   62 61 64 66   64 63 64 66
PWind Dir        NW       N    NE      NE    NE      NE     S      NE     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 SC SC SC   FW FW FW FW   FW SC SC SC   SC B1 B1 B1
PoP 12hr         70      30     5       5     5       5    10      10    20
Rain shwrs     L  L    C                                               S  S
Tstms          L  L    C                                               S  S

$$

TNZ099-210900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
943 PM EDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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                      72          92          74          91          74
Temp                79 76 73 73 83 90 91 87 81 78 76 75 84 89 90 86 80 78 76 75
Dewpt               70 70 69 69 69 68 68 68 70 70 70 70 72 68 69 70 70 71 71 71
RH                  74 82 87 87 63 49 47 53 69 76 82 84 67 50 50 59 72 79 85 87
Wind Dir             N NE  N  N SE  S  S SE  S  S  S  S  S SW SW SW SW SW NW  W
Wind Spd             1  2  2  2  2  3  3  3  2  2  2  2  4  5  6  5  2  2  2  2
Clouds              FW FW FW FW FW FW SC SC FW FW FW FW SC SC SC B1 B1 SC B1 B1
PoP 12hr                      0          10           0          20          30
QPF 12hr                      0           0           0        0.02        0.05
Rain shwrs                                                  S  S  C  C  C  C  L
Tstms                                                       S  S  C  C  C  C  L
Obvis                     PF PF


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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      68    85      63    86      66    86      68    85
Temp          85 81   72 69 83 79   68 65 83 80   70 68 84 81   72 69 83 79
Dewpt         71 69   68 66 63 61   61 60 64 64   65 64 65 65   65 64 65 65
PWind Dir        NW       N     N       N    NE      NE    SE      SE     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B2   B2 B1 SC SC   FW SC SC SC   SC SC SC B1   SC B1 B1 B1
PoP 12hr         60      30     5       5    10       5    20      10    30
Rain shwrs     L  L    C                                 S  S          C  C
Tstms          L  L    C                                 S  S          C  C

$$

NCZ060-210900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
943 PM EDT Sun Aug 20 2017

Date           08/20/17      Mon 08/21/17            Tue 08/22/17            Wed
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          89          68          89          67
Temp                71 66 64 64 78 85 88 83 76 73 71 70 80 87 88 83 75 72 70 68
Dewpt               68 66 64 64 70 68 69 69 69 68 67 68 71 69 69 70 69 69 67 68
RH                  90100100100 76 57 54 63 79 84 87 93 74 55 54 65 82 90 90100
Max/Min RH                  100          54          93          54         100
Wind Dir            NE  E  E  E  S  S  S  S SE SE SE SE SW SW SW SW  S  S  W  W
Wind Dir Deg         6  9  8  8 17 17 18 16 14 13 12 13 21 23 23 22 19 19 24 26
Wind Spd             2  3  3  3  3  3  3  2  1  2  1  1  2  3  4  3  1  1  1  1
Clouds              FW FW FW FW FW SC SC SC SC SC FW SC SC SC B1 B1 B1 SC B1 B1
Clouds (%)          23  7 18 15  7 27 44 48 47 28 22 36 33 34 56 54 62 41 59 62
Vsby                 7  5  3  2 10 10
PoP 12hr                      0          10          10          30          30
QPF 12hr                      0           0           0        0.05        0.04
Rain shwrs                                                  C  C  C  C  C  C  L
Tstms                                                       C  C  C  C  C  C  L
Obvis                     PF PF
Haines                                    4                       4
LAL                     1     1     1     1     1     1     3     3     3     4
Max Mix Hgt                            7200                    6600
AGL Mix Hgt                            5500                    4900
Max Vent Rt                           25200                   39400
T Wind Dir                                S                      SW
T Wind Spd                                4                       8
ADI                                      22                      34
Max LVORI                                 5                       4
Stability               G     G     A     A     G     G     A     B     G     F
Ceiling              8000  7200  6300  6300  6300  6300  6300  NONE  6300  5500
Sta Pres            28.09 28.14 28.13 28.10 28.10 28.08 28.03 27.97 27.95 27.92


Date           08/23  Thu 08/24/17  Fri 08/25/17  Sat 08/26/17  Sun 08/27/17
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          84      65    83      62    82      62    83      64    81
Temp          82 78   69 66 81 77   67 64 80 76   66 64 81 77   68 65 79 75
Dewpt         70 70   66 66 65 65   61 62 63 67   63 61 64 66   62 62 64 65
PWind Dir         W       N     N      NE     E       E    SE      SE    SE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B2   B2 B2 B1 SC   SC SC SC SC   SC SC SC B1   SC B1 B1 B1
PoP 12hr         60      30    20      10    20      10    20      20    30
Rain shwrs     L  L    C     S  S          S  S          S  S    S  S  C  C
Tstms          L  L    C     S  S          S  S          S  S    S  S  C  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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