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

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Point Forecast Matrices
National Weather Service Morristown TN
311 AM EDT Sat Oct 21 2017

TNZ017-212100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
311 AM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      77          46          76          56          72
Temp          47 45 60 72 75 65 57 53 50 47 61 72 75 68 63 61 59 57 64 70 71 65
Dewpt         45 43 49 48 47 49 50 49 47 46 52 52 51 52 55 56 56 57 59 60 60 61
RH            93 93 67 42 37 56 77 86 89 96 72 49 43 57 75 84 90100 84 71 68 87
Wind Dir      SE  E SE  S SE SE SE SE  E SE SE  S  S SE SE SE  E SE SE SE SE SE
Wind Spd       0  0  1  2  2  4  2  3  2  1  3  6  6  4  3  3  4  4  6  8  8  8
Clouds        FW CL FW FW SC SC FW FW FW FW FW FW FW SC SC B1 B1 B2 B2 OV OV OV
PoP 12hr                      0           0           0           5          60
QPF 12hr                      0           0           0           0        0.29
Rain shwrs                                                        L  L  L  L  D
Obvis         PF


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          54    62      37    52      35    60      38    66
Temp          58 54 61 53   43 38 50 46   39 36 57 52   43 39 62 57
Dewpt         56 54 49 43   38 35 34 36   34 33 37 39   37 37 44 45
PWind Dir         S     W       W     W       W    SW       S    SW
Wind Char        LT    GN      LT    GN      LT    LT      LT    LT
Avg Clouds    OV OV B2 B1   SC SC SC B1   SC SC FW FW   FW FW FW FW
PoP 12hr         80    50      30    20      20    10       5    10
Rain shwrs     D  D  C  C    C  C  S  S    S  S

$$

TNZ071-212100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
311 AM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      76          52          77          60          72
Temp          50 48 61 72 75 67 61 58 55 53 64 74 76 71 66 64 62 60 66 70 71 66
Dewpt         50 47 52 50 48 49 50 50 49 49 53 55 56 57 60 60 60 60 63 65 64 63
RH           100 96 72 46 38 52 67 75 80 86 67 51 50 61 81 87 93100 90 84 79 90
Wind Dir       E SE  E SW  N  E SE  S  E  E  E  S  S  S SE  E  E  E  E  E  E  S
Wind Spd       1  0  0  2  3  3  2  3  2  2  3  6  8  5  3  4  3  4  5  6  8  9
Clouds        FW FW FW FW SC FW FW FW FW SC FW SC FW B1 B1 B2 B2 OV OV OV OV OV
PoP 12hr                      0           0           0          10          70
QPF 12hr                      0           0           0           0        0.74
Rain shwrs                                                        L  L  L  L  L
Tstms                                                             C  C  C  C
Obvis         PF


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          55    62      41    55      39    63      43    67
Temp          59 55 61 54   46 42 53 49   43 40 60 55   48 44 64 59
Dewpt         58 54 50 43   40 38 37 37   38 37 41 43   42 42 48 48
PWind Dir        SW     W       W     W      SW    SW      SW    SW
Wind Char        GN    GN      LT    GN      LT    LT      LT    LT
Avg Clouds    OV B2 B2 B1   SC SC SC B1   SC FW FW FW   FW FW FW FW
PoP 12hr         70    50      20    20      10     5       5    10
Rain shwrs     L  L  C  C    S  S  S  S

$$

TNZ036-212100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
311 AM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      77          51          77          61          71
Temp          49 47 61 73 76 67 61 57 54 52 64 73 76 71 67 65 63 61 66 70 70 65
Dewpt         49 47 52 50 48 53 52 50 49 49 52 55 57 59 60 60 59 61 62 65 65 63
RH           100100 72 44 37 61 72 77 83 89 65 53 52 66 78 84 87100 87 84 84 93
Wind Dir       E SE  S SW  S  E  S SW  N  E  E  S  S  S SE  E  E  E  E  E SE  S
Wind Spd       0  0  1  3  2  2  1  2  1  1  2  4  4  3  2  2  1  2  3  4  5  5
Clouds        FW FW FW SC SC FW FW FW FW SC FW SC SC B1 B1 B2 B2 OV OV OV OV OV
PoP 12hr                      0           0           0          20          70
QPF 12hr                      0           0           0        0.02        0.73
Rain shwrs                                            S  S  S  S  L  L  L  L  D
Tstms                                                             C  C  C  C
Obvis         PF


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          54    63      41    55      39    63      43    68
Temp          58 54 62 55   46 42 53 49   43 40 60 55   48 44 65 60
Dewpt         57 54 48 43   39 39 37 38   38 37 42 44   43 43 49 50
PWind Dir        SW     W       W     W      SW    SW      SW    SW
Wind Char        LT    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV B1 B1   SC SC SC B1   SC FW FW FW   FW FW FW FW
PoP 12hr         80    40      20    20      10     5       5    10
Rain shwrs     D  D  C  C    S  S  S  S

$$

TNZ099-212100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
311 AM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      78          55          76          65          70
Temp          51 49 63 74 77 69 64 61 58 56 65 73 75 72 69 68 66 65 67 69 69 64
Dewpt         49 47 52 50 48 52 51 51 51 51 56 58 59 61 61 63 63 64 65 66 64 64
RH            93 93 67 43 36 55 63 70 77 83 73 59 58 68 76 84 90 97 93 90 84100
Wind Dir       E SE SE  S SE SE SE  S SE SE SE  S SE SE SE SE SE SE SE SE SE  S
Wind Spd       0  0  1  5  5  4  3  3  3  3  6 10  9  6  5  4  5  6  8  9 10  8
Clouds        FW FW FW FW FW FW FW FW FW SC SC B1 B1 B2 B2 B2 B2 OV OV OV OV OV
PoP 12hr                      0           0           0          30          80
QPF 12hr                      0           0           0        0.24        1.64
Rain shwrs                                            C  C  C  C  D  D  D  D  L
Tstms                                                             C  C  C  C
Obvis         PF


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          55    64      42    57      41    64      45    68
Temp          59 55 63 56   47 43 55 51   45 42 61 57   50 46 65 61
Dewpt         57 53 46 41   39 38 37 38   37 36 42 44   43 43 49 51
PWind Dir        SW    NW       W     W      SW     S       S     S
Wind Char        LT    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    OV B2 SC SC   SC SC SC SC   SC FW FW FW   FW FW FW SC
PoP 12hr         70    40      10    10      10     5       5    10
Rain shwrs     L  L  C  C

$$

NCZ060-212100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
311 AM EDT Sat Oct 21 2017

Date             Sat 10/21/17            Sun 10/22/17            Mon 10/23/17
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                      77          50          74          61          70
Temp          44 42 59 72 76 67 60 56 54 51 62 71 73 69 66 64 63 61 65 69 69 63
Dewpt         43 41 51 47 46 51 50 49 49 49 56 56 58 58 60 61 61 61 61 63 61 60
RH            96 96 75 41 34 56 69 77 83 93 81 59 59 68 81 90 93100 87 81 76 90
Min/Max RH                   34          93          57         100          76
Wind Dir       S SE SE  S  S SE SE SE SE SE SE  S SE SE SE SE SE SE SE SE SE  S
Wind Dir Deg  19 12 13 16 16 12 12 12 12 12 14 16 15 13 13 14 14 13 13 14 14 16
Wind Spd       1  1  2  5  5  5  4  5  5  4  5  9  8  5  4  6  5  6  9 10  9  9
Clouds        FW FW FW FW FW SC FW FW FW SC SC B1 SC B1 B1 B2 B2 OV OV OV OV OV
Clouds (%)    12 20  9 22 21 26 20 17 12 33 28 52 44 66 66 77 77 98 98 97 97 94
Vsby           0  0  0  0  0  0  0  0
PoP 12hr                      0           0           5          30          80
QPF 12hr                      0           0           0        0.09        1.09
Rain shwrs                                            C  C  C  C  D  D  D  D  L
Tstms                                                             C  C  C  C
Obvis         PF
Haines                        5                       4
LAL               1     1     1     1     1     1     1     1     3     3     3
Max Mix Hgt                4900                    4300
AGL Mix Hgt                3200                    2600
Max Vent Rt               33600                   39500
T Wind Dir                   SE                      SE
T Wind Spd                   10                      14
ADI                          29                      34
Max LVORI                     4                       4
Stability         G     B     B     F     G     C     C     E     D     D     C
Ceiling       23500 23500 23500 23500 23500  4700  4000  3200  3200  3200  3200
Sta Pres      28.16 28.18 28.16 28.18 28.18 28.18 28.11 28.08 28.00 27.88 27.73


Date          Tue 10/24/17  Wed 10/25/17  Thu 10/26/17  Fri 10/27/17
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          52    63      37    54      35    63      38    67
Temp          56 52 61 53   43 38 52 47   40 36 59 54   44 39 63 58
Dewpt         56 52 49 43   38 35 36 36   34 33 40 43   39 38 46 48
PWind Dir        SW     W      NW     W       W    SW       S     S
Wind Char        LT    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV B1 B1   SC SC SC SC   SC FW FW FW   FW FW FW SC
PoP 12hr         60    40      20    20      10     5       5    10
Rain shwrs     L  L  C  C    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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