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

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Point Forecast Matrices
National Weather Service Morristown TN
519 PM EDT Thu Oct 19 2017

TNZ017-200900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
519 PM EDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            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                      40          77          45          77          48
Temp             60 52 48 44 41 57 72 75 65 57 53 49 46 61 73 76 66 59 55 52 49
Dewpt            43 43 42 42 41 46 44 43 47 47 46 42 44 50 48 48 49 51 50 47 47
RH               53 71 80 93100 67 37 32 52 69 77 77 93 67 41 37 54 75 83 83 93
Wind Dir          W  S  E  E NE NE  N  N NE  E SE  E SE SE  S  S SE SE SE SE SE
Wind Spd          1  0  0  0  0  1  2  3  2  2  2  2  2  2  3  3  3  3  2  3  2
Clouds           CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW CL CL FW
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Obvis                     PF


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          76      55    73      55    68      42    58      38    58
Temp          72 68   60 56 70 66   59 56 66 58   48 43 56 50   43 39 55 51
Dewpt         51 53   56 56 61 62   59 56 53 50   44 41 38 39   38 38 38 36
PWind Dir        SE      SE    SE      SE    SW       W     W      SW    SW
Wind Char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg Clouds    FW FW   SC B1 B2 B2   OV OV B2 B1   SC B1 SC SC   SC SC SC SC
PoP 12hr          5      20    60      80    50      20    20      10    10
Rain shwrs             S  S  L  L    D  D  C  C    S  S  S  S
Tstms                        S  S    S

$$

TNZ071-200900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
519 PM EDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            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                      45          76          49          76          52
Temp             62 55 51 49 46 57 72 75 66 59 56 53 50 62 72 75 67 61 58 55 53
Dewpt            48 47 47 46 44 48 46 45 50 49 50 48 47 51 49 48 51 49 52 49 50
RH               60 74 86 89 93 72 39 34 56 69 80 83 89 67 44 38 56 65 80 80 89
Wind Dir          N  E  E  E  E NE NE NE  E  E SE SE SE SE SW  N  E SE  S SE  E
Wind Spd          0  0  0  0  0  1  3  3  2  2  2  1  2  1  3  3  3  2  3  2  2
Clouds           CL CL CL CL CL CL FW FW CL CL CL CL FW FW FW FW FW FW FW FW FW
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Obvis                     PF


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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      58    74      57    67      45    57      41    59
Temp          74 70   63 59 72 68   61 57 66 59   50 45 55 51   45 42 56 52
Dewpt         57 58   59 59 63 63   61 57 53 49   45 43 39 40   41 40 40 38
PWind Dir        SE       E     E      SE    SW       W     W       W     W
Wind Char        LT      LT    LT      LT    GN      LT    GN      LT    LT
Avg Clouds    SC SC   SC B1 B2 OV   OV B2 B1 SC   B1 SC SC SC   SC SC SC SC
PoP 12hr         10      30    50      70    50      10    10      10    10
Rain shwrs             C  C  C  C    L  L  C  C
Tstms                        C  C    S

$$

TNZ036-200900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
519 PM EDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            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                      45          77          48          76          52
Temp             62 55 52 49 46 57 73 76 67 59 55 52 49 62 72 75 67 61 58 55 53
Dewpt            50 49 47 46 44 48 46 45 52 50 49 46 47 51 49 47 54 51 51 48 50
RH               65 80 83 89 93 72 38 33 59 72 80 80 93 67 44 37 63 70 77 77 89
Wind Dir          N  N  N NE NE NE NE  N NE NE  S  S SE SE  S  S  E  S  S  E  E
Wind Spd          0  0  0  0  0  1  2  2  1  1  1  1  1  1  3  2  1  1  2  1  1
Clouds           CL CL CL CL CL CL FW FW CL CL FW FW FW FW FW FW FW FW FW FW SC
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Obvis                     PF


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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      58    73      56    67      44    58      40    58
Temp          74 70   63 59 71 67   60 56 65 58   50 45 56 51   44 41 55 51
Dewpt         58 59   59 58 63 63   60 56 52 49   43 42 38 40   40 38 40 38
PWind Dir        SE       E    SE       S     W       W     W       W     W
Wind Char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg Clouds    SC SC   SC B1 B2 OV   OV B2 B1 SC   B1 SC SC SC   B1 SC SC SC
PoP 12hr         10      40    50      70    40      10    10      10    10
Rain shwrs             C  C  C  C    L  L  C  C
Tstms                        C  C    S

$$

TNZ099-200900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
519 PM EDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            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                      46          77          51          76          56
Temp             63 56 53 50 47 60 73 76 68 61 57 55 52 63 73 75 68 63 61 59 57
Dewpt            48 48 46 45 43 48 46 44 50 49 49 48 48 50 52 52 53 51 52 53 54
RH               58 74 77 83 86 64 38 32 52 65 75 77 86 62 48 45 59 65 72 80 90
Wind Dir          N  N  N NE NE NE  N  N NE  E SE  E SE SE  S SE SE SE SE SE SE
Wind Spd          0  0  0  0  0  1  1  2  2  1  1  1  1  3  6  5  3  4  2  3  2
Clouds           CL CL CL CL CL CL FW FW CL CL FW FW FW FW FW FW FW FW FW FW B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Obvis                     PF


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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          76      63    72      57    67      45    59      42    60
Temp          73 71   66 63 71 66   61 57 66 59   50 46 57 53   46 43 57 53
Dewpt         60 61   61 63 64 63   60 56 51 47   43 41 38 38   38 37 39 38
PWind Dir        SE      SE    SE       S     W      NW    NW       W     W
Wind Char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg Clouds    B1 B1   B1 B2 OV OV   OV B2 B1 SC   SC FW FW SC   SC SC FW SC
PoP 12hr         20      40    60      60    30      10    10      10    10
Rain           S  S
Rain shwrs             C  C  L  L    L  L  C  C
Tstms                        L  L    S

$$

NCZ060-200900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
519 PM EDT Thu Oct 19 2017

Date           10/19/17      Fri 10/20/17            Sat 10/21/17            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                      39          77          45          76          51
Temp             61 52 48 44 41 58 72 75 65 57 53 49 46 60 72 75 67 60 57 54 52
Dewpt            48 46 42 40 39 48 45 45 50 48 46 43 44 50 49 50 52 52 50 50 50
RH               62 80 80 86 92 69 38 34 58 72 77 80 93 69 44 41 59 75 77 86 93
Max/Min RH                   94          33          93          40          93
Wind Dir         NW NW  N  E  E  N SW SE SE SE  E  E SE SE  S  S SE SE SE SE SE
Wind Dir Deg     31 31  0  9  9  0 21 13 15 13 11 11 13 14 16 17 13 12 13 13 13
Wind Spd          1  0  0  0  0  1  2  4  2  2  2  2  2  3  4  4  3  4  3  4  3
Clouds           CL CL CL CL CL CL FW FW CL CL CL CL CL CL FW FW FW FW FW FW SC
Clouds (%)        0  0  0  4  5  5  7  7  2  2  4  4  5  5 11 11 10 10 15 15 38
Vsby              0  0  0  0  0  0  0
PoP 12hr                      0           0           0           0           5
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                            4500                    4400
AGL Mix Hgt                            2800                    2700
Max Vent Rt                            9600                   24900
T Wind Dir                                S                      SE
T Wind Spd                                3                       9
ADI                                       8                      22
Max LVORI                                 6                       5
Stability         B     G     G     B     B     G     G     B     B     G     G
Ceiling        NONE  NONE  NONE  NONE  NONE  NONE 23500 23500 23500 23500 23500
Sta Pres      28.15 28.17 28.17 28.16 28.13 28.16 28.18 28.19 28.18 28.20 28.17


Date           10/22  Mon 10/23/17  Tue 10/24/17  Wed 10/25/17  Thu 10/26/17
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      59    71      54    68      42    58      37    59
Temp          72 69   63 59 69 65   58 55 66 58   48 43 56 50   42 38 56 51
Dewpt         57 59   59 59 63 63   58 55 52 48   41 41 39 40   39 38 38 38
PWind Dir        SE      SE    SE      SE     W      NW     W       W     W
Wind Char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg Clouds    SC B1   B1 B2 OV OV   OV OV B1 SC   SC FW SC B1   SC SC SC SC
PoP 12hr         10      40    50      70    40      10    10      10    10
Rain shwrs             C  C  C  C    L  L  C  C
Tstms                        C  C    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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