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

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Point Forecast Matrices
National Weather Service Morristown TN
321 PM EDT Wed Oct 18 2017

TNZ017-190900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
321 PM EDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      40          74          41          76          45
Temp          70 56 48 44 42 41 57 69 72 61 53 49 45 42 58 71 74 64 56 52 49 46
Dewpt         41 43 44 44 42 41 45 44 41 43 43 42 40 40 48 46 45 46 46 47 43 44
RH            35 62 86100100100 64 40 33 51 69 77 82 93 69 41 35 52 69 83 80 93
Wind Dir       W SE SE  E NE  E  N  W  W SW SE  E  E  E NE  N  N  E  E  E  E  E
Wind Spd       2  2  1  1  0  0  1  4  3  2  3  3  3  3  2  2  2  2  3  4  4  4
Clouds        FW CL CL CL FW FW FW CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Obvis                     PF


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          77      49    76      53    73      52    64      42    54
Temp          73 66   56 50 72 67   59 54 70 65   57 52 62 56   47 42 52 46
Dewpt         49 48   48 46 51 53   55 54 59 61   57 52 50 46   42 40 35 34
PWind Dir        SE      SE     S      SE     S      SW     W       W     W
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg Clouds    FW SC   SC SC SC SC   B1 B1 B2 B2   B2 B2 B2 B1   B1 SC B1 B1
PoP 12hr          0       5    10      20    40      50    40      30    40
Rain                                                             C  C  C  C
Rain shwrs                           S  S  C  C    C  C  C  C
Tstms                                      S  S    S  S

$$

TNZ071-190900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
321 PM EDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      44          74          44          76          48
Temp          70 63 54 50 47 45 59 70 73 63 55 51 48 45 60 72 75 65 58 55 52 49
Dewpt         47 46 46 45 43 42 46 45 42 44 44 46 44 43 48 46 46 50 48 50 47 47
RH            44 54 74 83 86 89 62 41 33 50 66 83 86 93 64 39 36 58 69 83 83 93
Wind Dir       N  N  S  S  N  N  N NW NW  E SE  E  E  E  N  N  N  E SE SE  E  E
Wind Spd       2  1  1  0  0  0  1  3  3  2  2  2  2  2  3  3  2  2  1  2  2  2
Clouds        CL CL CL CL FW FW FW CL CL CL CL CL CL CL CL CL CL FW FW FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Obvis                     PF


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          75      51    77      58    74      54    66      44    57
Temp          71 66   57 52 73 70   63 59 72 66   59 54 64 58   49 45 55 50
Dewpt         51 51   50 49 57 57   58 59 62 63   59 54 49 47   43 41 36 35
PWind Dir        NE      SE    SE       S     S      SW     W       W     W
Wind Char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg Clouds    SC SC   SC SC SC SC   SC B2 OV OV   B2 B2 B1 SC   B1 FW SC SC
PoP 12hr          0       5    10      40    50      50    30      20    30
Rain                                                             S  S  C  C
Rain shwrs                           S  C  C  C    C  C  C  C
Tstms                                   S  S  S    S  S

$$

TNZ036-190900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
321 PM EDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      44          74          44          77          47
Temp          70 63 52 49 46 45 59 70 73 63 55 51 48 45 60 72 76 66 58 54 51 48
Dewpt         45 49 49 46 43 41 44 43 42 47 45 45 43 43 48 46 43 53 48 49 46 47
RH            41 60 89 89 89 86 57 38 33 56 69 80 83 93 64 39 31 63 69 83 83 96
Wind Dir       W  N  N  N  N  N  N  N  N SE NE NE  N  N NE NE NE  E  N NE  N  N
Wind Spd       2  1  0  0  0  0  1  2  2  1  1  2  3  2  2  2  1  1  2  2  2  2
Clouds        CL CL CL CL FW FW FW CL CL CL CL CL CL CL CL CL CL FW FW FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          75      51    77      57    72      54    65      43    57
Temp          71 66   57 52 73 69   62 58 70 65   58 54 63 57   48 44 55 50
Dewpt         51 52   50 49 57 58   58 58 62 62   58 54 48 47   42 39 36 36
PWind Dir        SE      SE    SE       S     S       W     W       W    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC   SC SC SC SC   B1 B2 OV OV   B2 B1 B2 B1   B1 FW SC B1
PoP 12hr          0       5    10      40    60      50    30      20    30
Rain                                                             S  S  C  C
Rain shwrs                           C  C  L  L    C  C  C  C
Tstms                                   S  S  S    S  S

$$

TNZ099-190900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
321 PM EDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      45          75          45          77          49
Temp          71 62 54 50 48 46 60 71 74 64 56 52 49 46 61 73 76 66 59 56 53 50
Dewpt         42 46 47 45 42 40 45 43 41 47 46 46 45 44 48 48 47 51 48 49 46 47
RH            35 56 77 83 80 79 58 36 30 54 69 80 86 93 62 41 36 58 67 77 77 89
Wind Dir       N  N  S  S  N  N  N  N  N NE NE  N  N  N NE NE  E NE NE NE  E NE
Wind Spd       1  1  1  0  0  0  1  2  2  2  2  3  3  2  2  1  2  2  2  1  1  2
Clouds        CL CL CL CL CL FW FW CL CL CL CL CL CL CL CL FW CL FW FW SC FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Obvis                     PF


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          75      56    77      61    72      55    67      44    60
Temp          71 68   61 57 74 71   65 61 70 66   59 55 65 58   50 45 58 52
Dewpt         51 52   50 53 59 60   62 61 64 61   58 55 48 46   41 38 35 37
PWind Dir        SE      SE    SE      SE    SE      SW    NW      NW    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg Clouds    SC SC   SC B1 B1 B1   B2 OV OV OV   B2 B1 B1 SC   SC FW FW FW
PoP 12hr          0       5    20      50    60      40    20      10    20
Rain                                                                   S  S
Rain shwrs                   S  S    C  C  L  L    C  C  S  S
Tstms                        S  S    S  S  C  C    S  S

$$

NCZ060-190900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
321 PM EDT Wed Oct 18 2017

Date           10/18/17      Thu 10/19/17            Fri 10/20/17            Sat
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                      38          75          41          78          45
Temp          70 53 45 42 40 39 56 70 73 62 54 49 45 42 59 73 76 65 57 53 49 46
Dewpt         42 48 45 41 39 36 44 42 42 47 44 42 40 39 48 46 49 51 47 46 43 44
RH            36 83100 96 96 89 64 36 33 58 69 77 82 89 67 38 39 60 69 77 80 93
Max/Min RH                  100          31          89          37          93
Wind Dir       S SE SE  E  E  E  N NW NW  N  E  E  E  E NE  S  S SE  E  E  E  E
Wind Dir Deg  18 14 13 11  9  9  0 30 30 33  9  7  7  7  4 19 18 13 11 11 11 11
Wind Spd       3  2  1  1  0  0  1  4  3  1  3  3  3  3  0  2  2  3  3  4  5  5
Clouds        FW CL CL CL FW FW FW CL CL CL CL CL CL CL CL CL CL FW FW FW FW SC
Clouds (%)     6  1  4  5  6  7  7  4  4  0  0  0  0  0  5  5  5  7 10 18 11 33
Vsby           0  0  0  0  0  0  0  0
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Obvis                     PF
Haines                                    5                       5
LAL               1     1     1     1     1     1     1     1     1     1     1
Max Mix Hgt                            4300                    4500
AGL Mix Hgt                            2600                    2800
Max Vent Rt                            9100                    3200
T Wind Dir                               NW                      SE
T Wind Spd                                3                       1
ADI                                       8                       3
Max LVORI                                 5                       6
Stability         B     G     G     B     B     G     G     B     B     G     F
Ceiling       20800  NONE 23500  NONE  NONE  NONE  NONE  NONE  NONE  NONE 23500
Sta Pres      28.16 28.18 28.18 28.18 28.15 28.16 28.17 28.17 28.14 28.16 28.19


Date           10/21  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17
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          75      51    75      57    72      52    65      41    56
Temp          71 66   57 52 72 68   61 58 70 64   57 53 63 56   47 42 54 48
Dewpt         49 51   48 50 57 58   59 58 62 63   57 53 49 45   41 36 34 35
PWind Dir        SE      SE    SE      SE    SE      SW    NW      NW    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg Clouds    SC FW   SC SC B1 B1   B1 B2 OV B2   B2 B2 B1 SC   SC FW SC SC
PoP 12hr          0       5    10      30    50      60    20      10    20
Rain                                                                   S  S
Rain shwrs                   S  S    S  C  C  C    L  L  S  S
Tstms                        S  S    S  S  C  C    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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