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

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Point Forecast Matrices
National Weather Service Morristown TN
1011 PM EDT Fri Jul 21 2017

TNZ017-220900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
1011 PM EDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            Mon
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          92          71          88          70
Temp                79 75 71 72 83 90 91 86 79 75 73 73 81 86 87 84 77 74 72 72
Dewpt               69 69 69 70 71 70 70 72 71 71 71 71 72 72 72 71 70 69 69 69
RH                  72 82 93 93 67 52 50 63 77 87 93 93 74 63 61 65 79 84 90 90
Wind Dir             S  S  S  S SW SW SW SW SW SW SW SW SW SW  W  W SW SW SW SW
Wind Spd             1  1  1  2  5  8  8  8  6  6  6  6  9 10 10  9  6  3  2  3
Clouds              SC SC FW SC SC SC SC B1 B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20          30          20          60          50
QPF 12hr                   0.01        0.06        0.17        0.31        0.20
Rain shwrs           S              C  C  S  S  S  S  C  C  L  L  C  C  C  C  C
Tstms                               C  C  S  S  S  S  C  C  L  L  C  C  C  C  C
Obvis                     PF


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          85      67    86      67    86      66    85      67    85
Temp          83 81   71 69 84 81   71 69 84 81   70 68 83 81   71 69 83 81
Dewpt         68 68   66 66 67 67   66 66 66 66   65 66 67 68   67 67 65 68
PWind Dir         W       W     W       E     S       S    SW       W     W
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B1   B1 B1 B2 B1   SC SC B1 B1   SC SC B1 B1   B1 B1 B1 B1
PoP 12hr         40      30    30      20    20      20    20      20    40
Rain shwrs     C  C    C  C  C  C    S  S  S  S    S  S  S  S    S  S  C  C
Tstms          C  C    C  C  C  C    S  S  S  S    S  S  S  S    S  S  C  C

$$

TNZ071-220900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
1011 PM EDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            Mon
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                      74          94          74          89          72
Temp                86 81 76 76 86 92 93 88 81 78 76 76 83 87 88 85 78 76 74 74
Dewpt               71 71 71 72 73 72 72 73 72 72 72 72 73 73 73 73 73 72 71 71
RH                  61 72 85 87 65 52 51 61 74 82 87 87 72 63 61 67 85 87 90 90
Wind Dir             S  S  S  S SW SW  W SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind Spd             1  1  1  2  4  6  8  8  6  6  6  6  9 11 10  9  6  5  5  6
Clouds              SC FW FW SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20          20          20          50          50
QPF 12hr                   0.01        0.03        0.04        0.31        0.19
Rain shwrs                          S  S  S  S        C  C  C  C  C  C  C  C  C
Tstms                               S  S  S  S        C  C  C  C  C  C  C  C  C
Obvis                     PF


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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      71    88      70    87      70    86      71    87
Temp          84 82   74 73 86 84   74 72 85 83   74 72 84 82   74 73 85 83
Dewpt         71 71   72 69 70 69   70 69 69 68   68 69 71 69   69 70 69 69
PWind Dir        SW      SW     W       E    SW      SW    SW      SW    SW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B1 B1 B1 B1   B1 B1 B1 SC   SC SC B1 B1   B1 SC B1 B1
PoP 12hr         50      30    30      20    20      20    20      20    30
Rain shwrs     C  C    C  C  C  C    S  S  S  S    S  S  S  S    S  S  C  C
Tstms          C  C    C  C  C  C    S  S  S  S    S  S  S  S    S  S  C  C

$$

TNZ036-220900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
1011 PM EDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            Mon
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                      75          94          75          89          73
Temp                84 80 77 77 86 92 93 88 81 79 77 77 83 87 88 85 79 77 75 74
Dewpt               74 73 72 73 73 72 72 74 73 73 73 73 72 72 73 73 73 72 72 71
RH                  72 79 85 87 65 52 51 63 77 82 87 87 70 61 61 67 82 85 90 90
Wind Dir            SW  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind Spd             0  0  0  1  4  6  8  8  6  5  4  4  8 10  9  6  5  4  4  4
Clouds              SC FW FW SC SC SC B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B2
PoP 12hr                     20          20          20          50          50
QPF 12hr                   0.01        0.04        0.01        0.29        0.18
Rain shwrs                          S  S  S  S        C  C  C  C  C  C  C  C  C
Tstms                               S  S  S  S        C  C  C  C  C  C  C  C  C


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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      71    88      70    87      70    86      70    86
Temp          85 82   74 73 86 84   74 72 85 83   74 72 84 82   74 72 84 82
Dewpt         70 71   72 69 70 71   70 69 68 69   68 69 70 70   69 70 69 70
PWind Dir        SW       W     N      NW    SW       W    SW       W     W
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B1 B1 B1 B1   SC B1 SC SC   SC SC B1 B1   B1 SC B1 B1
PoP 12hr         50      30    40      10    20      20    20      20    40
Rain shwrs     C  C    C  C  C  C          S  S    S  S  S  S    S  S  C  C
Tstms          C  C    C  C  C  C          S  S    S  S  S  S    S  S  C  C

$$

TNZ099-220900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
1011 PM EDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            Mon
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                      76          95          75          90          73
Temp                85 81 78 78 87 93 94 89 82 79 77 77 84 88 89 86 79 77 75 75
Dewpt               72 72 72 74 73 71 71 73 73 73 73 73 73 73 73 73 73 73 73 72
RH                  65 74 82 88 63 49 47 59 74 82 87 87 70 61 59 65 82 87 94 90
Wind Dir            SE  S  S SE  W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind Spd             0  0  0  0  3  5  5  8  5  4  3  4  6  9  9  8  5  3  2  3
Clouds              SC FW FW SC SC SC SC B1 B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20          20          20          50          50
QPF 12hr                   0.01        0.04        0.01        0.28        0.11
Rain shwrs                          S  S  S  S        C  C  C  C  C  C  C  C  L
Tstms                               S  S  S  S        C  C  C  C  C  C  C  C  L
Obvis                     PF


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          87      72    88      71    88      71    88      72    88
Temp          85 83   75 74 86 84   75 73 86 84   75 73 86 84   76 74 86 84
Dewpt         72 73   72 71 70 70   71 70 69 69   69 70 70 70   72 71 72 71
PWind Dir        SW      NW     N       N    NW       W     W       W     W
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 B2 B2 B1   B1 B1 SC SC   SC SC B1 B1   SC SC B1 B1
PoP 12hr         60      30    40      30    30      20    20      20    40
Rain shwrs     L  L    C  C  C  C    C  C  C  C    S  S  S  S    S  S  C  C
Tstms          L  L    C  C  C  C    C  C  C  C    S  S  S  S    S  S  C  C

$$

NCZ060-220900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
1011 PM EDT Fri Jul 21 2017

Date           07/21/17      Sat 07/22/17            Sun 07/23/17            Mon
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                      68          92          71          86          69
Temp                75 73 71 71 83 90 91 85 78 75 73 73 80 84 85 82 75 73 71 71
Dewpt               74 71 69 70 71 70 70 74 72 71 71 71 72 73 73 73 72 70 69 69
RH                  97 93 93 97 67 52 50 70 82 87 93 93 77 70 67 74 90 90 93 93
Max/Min RH                  100          50          97          67          97
Wind Dir            SE  E  E  E  W SW  W  S SW SW SW SW SW SW SW SW SW SW  W  W
Wind Dir Deg        13  9  9  8 25 22 24 19 20 21 21 20 20 21 21 22 22 23 24 26
Wind Spd             0  1  0  1  3  5  6  3  2  2  2  2  3  5  6  6  4  2  2  2
Clouds              SC FW FW SC SC B1 B1 B1 B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
Clouds (%)          26 21 21 43 43 54 56 64 64 42 42 62 62 78 78 78 78 74 74 82
Vsby                 7  5  3  2 10 10
PoP 12hr                     20          40          30          50          50
QPF 12hr                   0.01        0.17        0.04        0.36        0.14
Rain shwrs                    S  S  C  C  C  C        C  C  C  C  C  C  C  C  L
Tstms                         S  S  C  C  C  C        C  C  C  C  C  C  C  C  L
Obvis                     PF
Haines                                    4                       4
LAL                     2     2     3     3     3     3     3     3     3     4
Max Mix Hgt                            5700                    5600
AGL Mix Hgt                            4000                    3900
Max Vent Rt                           32200                   35800
T Wind Dir                               SW                       W
T Wind Spd                                8                       9
ADI                                      28                      31
Max LVORI                                 4                       4
Stability               G     G     B     B     G     F     B     B     F     D
Ceiling              6300  6300  6300  6300  5500  4700  5500  5500 13800 11700
Sta Pres            27.97 27.97 27.95 27.92 27.93 27.92 27.92 27.89 27.91 27.93


Date           07/24  Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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      68    85      67    86      67    85      67    86
Temp          82 80   72 70 83 80   71 69 84 81   71 69 83 81   71 69 84 82
Dewpt         72 73   69 69 71 71   68 68 70 70   66 67 70 71   68 68 71 71
PWind Dir         W      NW    NW       E    NE      SE     W       W    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 B2 B2 B1   B1 B1 B1 B1   B1 SC B1 B1   B1 SC B1 B1
PoP 12hr         60      40    40      30    30      20    20      20    30
Rain shwrs     L  L    C  C  C  C    C  C  C  C    S  S  S  S    S  S  C  C
Tstms          L  L    C  C  C  C    C  C  C  C    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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