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

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Point Forecast Matrices
National Weather Service Morristown TN
631 PM EDT Sun Oct 22 2017

TNZ017-230900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
631 PM EDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            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                      57          71          46          62          36
Temp             63 62 60 59 58 64 69 70 62 55 52 49 47 54 60 61 52 46 42 39 37
Dewpt            53 54 55 55 57 61 59 56 54 52 50 47 44 43 43 42 40 38 36 35 35
RH               70 75 84 87 96 90 70 61 75 90 93 93 89 66 53 49 63 73 79 85 92
Wind Dir          E  E NE NE  E SE SE NW SW SW SW SW  S  S  W SW  W  W  W SW SW
Wind Spd          6  5  5  5  6 19 12 12  8 10 10  6  5  4 12  6  8  8  4  3  2
Wind Gust                       29
Clouds           SC B1 B1 B2 B2 OV OV OV B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     30          90          70          20          10
QPF 12hr                   0.01        0.87        0.09        0.02           0
Rain shwrs                 C  L  D  D  C  L  L  S  S  S  S  S  S              S


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
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          51      34    59      38    68      44    63      40    59
Temp          49 45   38 35 56 51   43 39 64 59   50 45 60 54   46 41 56 50
Dewpt         34 35   34 33 36 38   37 36 44 45   45 45 48 46   42 40 41 41
PWind Dir         W       W    SW       S     S       S     S      SW     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1   B1 SC FW FW   FW FW FW FW   FW SC B1 B1   B1 B1 B1 B1
PoP 12hr         20      10     0       5     5      20    40      30    30
Rain shwrs     S  S                                S  S  C  C    C  C  C  C

$$

TNZ071-230900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
631 PM EDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            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                      59          69          48          61          40
Temp             70 66 64 62 59 64 68 68 61 56 53 51 49 54 59 60 53 48 45 43 41
Dewpt            56 58 59 59 59 59 58 55 52 51 50 48 46 45 43 41 39 39 39 39 38
RH               61 75 84 90100 84 70 63 72 83 89 89 89 71 55 49 59 71 79 86 89
Wind Dir         SE  N NE  N  E SE  W SW SW SW SW  S  S SW SW  W  W SW SW  S  W
Wind Spd          4  3  3  3  8  4  5 11 12 10  6  5  3 10  9 10  4  3  3  3  3
Clouds           SC B1 B1 B2 OV OV OV B2 B1 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     60          90          40          20          10
QPF 12hr                   0.07        1.18        0.01        0.02           0
Rain shwrs              S  L  D  D  C  C  C  C        S  S  S  S
Tstms                         C  C


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
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          54      39    63      43    70      46    62      41    60
Temp          52 48   43 40 60 55   48 44 66 61   52 47 60 54   46 42 57 51
Dewpt         35 36   37 37 40 43   42 42 49 50   48 47 48 47   44 41 44 43
PWind Dir         W      SW    SW       S     S       S    SW      NW     S
Wind Char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg Clouds    SC SC   SC FW FW FW   FW CL FW FW   FW B1 B1 B1   B1 B1 B1 B1
PoP 12hr         10      10     0       5    10      30    40      30    30
Rain shwrs                                         C  C  C  C    C  C  C  C

$$

TNZ036-230900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
631 PM EDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            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                      61          69          47          61          40
Temp             70 65 64 63 61 65 68 68 61 55 52 50 48 54 59 60 53 48 45 43 41
Dewpt            58 58 59 59 61 60 58 55 54 51 48 47 46 45 43 41 40 39 39 38 37
RH               66 78 84 87100 84 70 63 78 86 86 89 93 71 55 49 61 71 79 82 85
Wind Dir         SE SE NE  N  E SE  S SW SW  W SW  S SW SW  W  W  W  W  W  W  W
Wind Spd          3  1  3  3  6  6  3 10 11  8  5  5  4  8  8  9  5  3  2  2  3
Clouds           B1 B1 B2 B2 OV OV B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     60         100          40          20           5
QPF 12hr                   0.20        1.48        0.01        0.02           0
Rain shwrs              C  L  D  L  C  S  C  C        S  S  S  S
Tstms                         C


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
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          54      39    63      44    69      46    61      41    59
Temp          52 48   43 40 60 56   49 45 66 60   52 47 59 53   46 42 56 50
Dewpt         35 36   37 36 40 44   44 43 50 51   49 46 47 46   42 40 43 42
PWind Dir         W      SW    SW       S     S       S    SW      NW    SW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC   SC FW FW FW   FW CL FW FW   SC B1 B1 B1   B1 B1 B1 B1
PoP 12hr         10      10     0       5    10      30    40      30    30
Rain shwrs                                         C  C  C  C    C  C  C  C

$$

TNZ099-230900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
631 PM EDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            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                      63          70          48          63          41
Temp             72 68 66 65 63 66 69 69 62 56 53 51 49 55 61 62 55 49 46 44 42
Dewpt            61 62 63 64 63 60 59 55 55 51 48 47 46 44 41 40 39 39 39 38 37
RH               68 81 90 97100 81 70 61 78 83 83 86 89 66 48 44 55 68 76 79 82
Wind Dir         SE SE SE SE SE  W  W  W  W  W  W  S SW  W  W  W NW  W  W NW NW
Wind Spd          5  6 10 11 12  8 12 10  9  5  4  3  3  5  9 10  6  2  2  3  3
Clouds           B2 B2 OV OV OV OV B2 B1 B1 SC SC SC SC SC SC SC SC SC FW FW FW
PoP 12hr                     90         100          20          10           5
QPF 12hr                   0.89        0.86        0.01           0           0
Rain shwrs        S  C  L  D  D  L  C  S  S  S
Tstms                      C  C


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
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          56      41    65      46    70      48    62      43    60
Temp          54 50   45 42 62 58   51 47 67 62   53 49 60 55   48 44 58 51
Dewpt         35 37   37 37 42 45   44 44 51 52   50 47 45 46   44 42 43 43
PWind Dir        NW      SW    SW       S     S       S    SW       E     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg Clouds    FW FW   SC FW CL CL   CL FW FW SC   SC SC B1 B1   B1 B1 SC SC
PoP 12hr          5       5     0       5    10      30    30      30    40
Rain shwrs                                         C  C  C  C    C  C  C  C

$$

NCZ060-230900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
631 PM EDT Sun Oct 22 2017

Date           10/22/17      Mon 10/23/17            Tue 10/24/17            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                      60          70          45          62          37
Temp             65 64 63 62 62 66 69 69 61 54 51 48 46 53 60 61 53 46 43 40 38
Dewpt            60 62 63 62 62 65 61 57 57 53 49 46 44 43 43 42 40 38 37 36 35
RH               84 93100100100 97 76 66 87 96 93 93 93 69 53 49 61 73 79 85 89
Max/Min RH                  100          66          96          49          89
Wind Dir         SE SE SE SE SE SE  W  W  W  W NW NW SE  W  W  W NW NW NW NW NW
Wind Dir Deg     12 12 13 12 13 13 24 25 25 28 30 31 12 24 28 28 30 30 31 31 30
Wind Spd          9 11 13 12 16 13 10 10  6  6  5  3  3  5  8  9  9  6  5  3  5
Clouds           B2 B2 OV OV OV OV OV B2 B1 SC SC SC SC SC SC SC SC SC SC SC FW
Clouds (%)       70 80 90 95 99 98 88 73 65 50 37 33 28 28 27 33 38 38 28 28 25
Vsby              0  0  0  0  0  0  0
PoP 12hr                     80         100          20          10           5
QPF 12hr                   0.30        1.69        0.01           0           0
Rain shwrs           S  L  D  D  L  C  S  S  S
Tstms                         C  C
Haines                                    3                       4
LAL               1     1     3     3     1     1     1     1     1     1     1
Max Mix Hgt                            2700                    5100
AGL Mix Hgt                            1000                    3400
Max Vent Rt                            4600                   46700
T Wind Dir                               SW                       W
T Wind Spd                                4                      13
ADI                                       4                      41
Max LVORI                                 9                       4
Stability         C     D     D     C     C     F     G     B     B     F     F
Ceiling        4000  2400  3200 11700  2400  1700  NONE  NONE  6300  6300  3200
Sta Pres      28.06 27.99 27.84 27.86 27.83 27.85 27.80 27.82 27.84 27.86 27.86


Date           10/25  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
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          54      35    64      41    69      45    63      40    58
Temp          52 47   40 36 60 55   47 42 65 60   51 46 60 54   46 41 55 49
Dewpt         34 36   35 33 40 43   40 39 48 50   46 46 48 47   43 41 42 43
PWind Dir        NW       W    SW       S     S      SE    SE      SE    SE
Wind Char        GN      LT    LT      LT    LT      LT    LT      LT    GN
Avg Clouds    FW SC   SC FW FW CL   CL CL FW FW   FW SC B1 B1   B2 B1 B1 SC
PoP 12hr          5       5     0       5    10      30    30      30    40
Rain shwrs                                         C  C  C  C    C  C  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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