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

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Point Forecast Matrices
National Weather Service Morristown TN
1027 AM EDT Thu Jul 27 2017

TNZ017-272100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
1027 AM EDT Thu Jul 27 2017

Date             Thu 07/27/17            Fri 07/28/17            Sat 07/29/17
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                      87          69          82          65          78
Temp                79 85 86 83 76 73 71 70 77 81 81 78 71 69 67 66 73 77 77 73
Dewpt               71 70 70 70 69 69 69 68 69 69 70 69 67 66 65 65 63 61 59 58
RH                  77 61 59 65 79 87 93 93 76 67 69 74 87 90 93 97 71 58 54 59
Wind Dir            SW  W SW  S SE SE  S  S SW SW  S SW  W  W  W  W NW NW NW NW
Wind Spd             4  8  5  3  2  2  4  0  4  9  8  6  6  6  6  5  6  9  9  6
Clouds              B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B2 B1 B1 SC SC
PoP 12hr                     50          40          80          60          20
QPF 12hr                   0.27        0.21        0.70        0.08        0.01
Rain shwrs           C  C  C  C  C  C  C  L  L  D  D  L  C  C  S  S  S
Tstms                C  C  C  C  C  C  C  L  L  D  D  S


Date          Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          58    81      59    84      60    85      63    85
Temp          62 61 78 76   64 62 81 77   65 62 82 79   68 65 83 79
Dewpt         57 58 56 59   57 58 59 61   61 61 60 62   63 63 61 64
PWind Dir         N     N       E     N       E     S      SE     S
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC FW FW   FW FW FW SC   FW FW FW SC   FW FW SC SC
PoP 12hr         10     5       5    10       5    10      10    20
Rain shwrs                                                     S  S
Tstms                                                          S  S

$$

TNZ071-272100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
1027 AM EDT Thu Jul 27 2017

Date             Thu 07/27/17            Fri 07/28/17            Sat 07/29/17
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                      89          73          81          68          81
Temp                83 87 88 85 79 77 75 73 77 80 80 78 73 71 69 69 76 80 80 76
Dewpt               68 71 72 72 71 71 71 73 72 72 72 72 71 70 68 67 65 63 61 60
RH                  61 59 59 65 77 82 87100 85 77 77 82 93 97 97 93 69 56 52 58
Wind Dir            SW SW SE SW  S  S  S  S SW SW SW SW  W  W NW  N  N  N  N  N
Wind Spd            10  6  4  2  3  3  4  3  9 16 14 10 10  5  5  9  9  9  9  8
Clouds              B2 B2 B2 B1 B1 B2 B2 B2 OV OV OV OV B2 B1 B1 B1 B1 SC SC FW
PoP 12hr                     50          30          80          60          10
QPF 12hr                   0.08        0.14        0.80        0.09           0
Rain shwrs           S  C  C  C  S  S  C  L  L  D  D  L  C  C  S
Tstms                S  C  C  C  S  S  C  L  L  D  D  S


Date          Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          62    84      63    85      65    87      66    87
Temp          66 64 82 79   68 65 83 79   69 67 85 81   71 68 85 81
Dewpt         60 60 60 60   59 60 62 63   63 64 64 64   66 66 65 67
PWind Dir        NE    NE      NE     N      NE    NE      SE    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW FW   FW FW FW SC   FW FW FW SC   FW FW SC SC
PoP 12hr          5     5       5     5       5    10      10    20
Rain shwrs                                                     S  S
Tstms                                                          S  S

$$

TNZ036-272100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
1027 AM EDT Thu Jul 27 2017

Date             Thu 07/27/17            Fri 07/28/17            Sat 07/29/17
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                      89          72          79          69          82
Temp                83 87 88 85 78 76 74 73 76 78 78 77 73 71 70 70 77 81 81 77
Dewpt               70 71 72 72 71 71 71 71 71 72 71 72 70 69 68 67 65 62 60 59
RH                  65 59 59 65 79 85 90 93 85 82 79 85 90 93 93 90 67 53 49 54
Wind Dir             S SE SE SE  S SW  S  S SW SW SW  W  W NW NW  N  N NE  N  N
Wind Spd             3  6  5  2  2  2  3  0  3  9  8  4  3  2  4  4  4  5  4  3
Clouds              B2 B2 B1 B1 B1 B2 B2 B2 OV OV OV B2 B2 B1 B1 B1 B1 SC SC FW
PoP 12hr                     40          40          80          50          10
QPF 12hr                   0.10        0.19        0.90        0.07           0
Rain shwrs           S  C  C  C  S  C  C  L  L  D  D  C  C  S  S
Tstms                S  C  C  C  S  C  C  L  L  D  D  S


Date          Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          62    84      63    86      66    87      66    88
Temp          66 64 82 79   68 66 83 80   70 68 85 81   71 68 86 82
Dewpt         59 59 59 60   59 60 62 64   63 64 63 65   66 66 65 67
PWind Dir         N    NE      NE     W       N    NW       S     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW FW   FW FW FW SC   FW FW FW SC   FW FW SC SC
PoP 12hr          5     5       5     5       5    10      10    20
Rain shwrs                                                     S  S
Tstms                                                          S  S

$$

TNZ099-272100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
1027 AM EDT Thu Jul 27 2017

Date             Thu 07/27/17            Fri 07/28/17            Sat 07/29/17
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                      93          75          83          71          85
Temp                85 91 92 89 82 79 77 76 80 82 82 80 76 74 72 73 79 83 84 80
Dewpt               71 71 73 73 72 72 72 72 71 72 73 73 71 69 68 67 66 64 62 61
RH                  63 52 54 59 72 79 85 87 74 72 74 79 85 84 87 81 64 53 48 52
Wind Dir            SW  W  W  W SW SW  S  S  S SW SW  W NW  N NW  N  N  N  N  N
Wind Spd             4  6  6  4  2  2  3  2  6 11 11  8  9  8  8  9 10 12 12 12
Clouds              B1 B1 SC B1 B1 B1 B1 B2 B2 OV OV OV B2 B1 B1 B1 SC SC SC FW
PoP 12hr                     40          30          80          60          10
QPF 12hr                   0.01        0.09        0.55        0.13           0
Rain shwrs              C  C  S        C  L  L  D  D  L  C  S  S
Tstms                   C  C  S        C  L  L  D  D  S


Date          Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          65    86      65    87      67    88      68    89
Temp          69 67 84 81   70 67 85 81   71 69 86 82   72 70 87 83
Dewpt         62 61 62 62   62 62 63 63   65 66 63 65   67 67 65 67
PWind Dir         N    NE      NE    NE      NE    SE      NE     S
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW FW   FW FW FW SC   FW FW FW SC   SC FW SC SC
PoP 12hr          5     5       5    10       5    10      10    20
Rain shwrs                                                     S  S
Tstms                                                          S  S

$$

NCZ060-272100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
1027 AM EDT Thu Jul 27 2017

Date             Thu 07/27/17            Fri 07/28/17            Sat 07/29/17
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                      87          70          80          69          81
Temp                79 85 86 83 76 74 72 71 76 79 79 77 73 71 70 70 76 80 80 76
Dewpt               73 73 70 70 70 70 70 70 72 74 76 74 71 69 68 68 67 66 64 63
RH                  82 67 59 65 82 87 93 97 87 85 91 90 93 93 93 93 74 62 58 64
Min/Max RH                   59          97          85          93          58
Wind Dir            NW  W SW  S  E SE SE NE  S  W  W  W NE  N NE  E NE  N  N  N
Wind Dir Deg        29 24 20 19 11 12 12  6 19 26 24 25  5  2  6  7  4  1  1  1
Wind Spd             2  6  5  3  3  3  4  1  1  6  5  4  3  2  3  3  5  9  9  6
Clouds              B2 B1 B1 B1 B1 B1 B1 B2 B2 OV OV OV B2 B2 B1 B1 B1 SC SC FW
Clouds (%)          77 69 67 58 58 64 64 76 86 96 97 98 85 72 68 65 60 47 35  9
Vsby                 9 10 10  9  5  4
PoP 12hr                     40          20          80          60          10
QPF 12hr                   0.06        0.05        0.54        0.15           0
Rain shwrs           S  C  C  S  S     S  L  L  D  D  L  C  C  C
Tstms                S  C  C  S  S     S  L  L  D  D  S
Haines                        4                       3
LAL                     3     3     2     4     5     5     2     1     1     1
Max Mix Hgt                6400                    4800
AGL Mix Hgt                4700                    3100
Max Vent Rt               43100                   78800
T Wind Dir                    W                       W
T Wind Spd                    9                      25
ADI                          37                      69
Max LVORI                     4                       4
Stability               B     B     F     F     D     D     F     F     B     B
Ceiling              5500  5500  4700  4700  7200  2400   300  1000  NONE  NONE
Sta Pres            27.97 27.91 27.89 27.86 27.87 27.76 27.73 27.75 27.78 27.80


Date          Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          59    83      62    84      62    84      62    86
Temp          64 62 80 78   67 64 82 78   67 64 82 78   67 64 83 79
Dewpt         59 60 60 64   60 60 62 66   62 62 64 67   64 64 65 68
PWind Dir        NE     N       E     N       E    SE       E     S
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW FW   FW FW FW SC   FW FW FW SC   SC FW SC SC
PoP 12hr          5     5       5    10       5    10      10    20
Rain shwrs                                                     S  S
Tstms                                                          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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