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

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Point Forecast Matrices
National Weather Service Morristown TN
259 PM EDT Wed Jul 26 2017

TNZ017-270900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
259 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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          86          70          81          63
Temp          91 86 77 73 71 70 79 84 85 82 76 74 72 71 77 80 80 77 70 67 65 65
Dewpt         65 68 67 67 67 68 70 69 69 71 69 68 68 69 70 71 71 70 68 65 64 62
RH            42 55 71 81 87 93 74 61 59 69 79 82 87 93 79 74 74 79 93 93 97 90
Wind Dir       W SW  S  S  S  S SW SW  W  N SE SE SW SW SW SW  W  W  N  N  N  N
Wind Spd       4  3  1  1  0  2  5  6  4  3  5  3  8  9 10 10 10  6  5  8  5  6
Clouds        FW FW FW SC B1 B2 B2 B2 B2 B2 OV B2 OV OV OV OV OV OV B2 B2 B1 B1
PoP 12hr                      5          60          60          70          60
QPF 12hr                      0        0.31        0.20        0.64        0.19
Rain shwrs                    S  S  C  L  C  C  L  L  L  L  L  L  L  L  C  S
Tstms                         S  S  C  L  C  C  L  L  L  L  L  L  L  C  S


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          78      58    83      60    85      62    85      64    86
Temp          76 73   62 61 80 77   65 63 82 78   67 64 82 79   69 66 84 80
Dewpt         60 58   57 56 57 59   57 59 59 62   61 61 60 63   61 63 60 64
PWind Dir         N      NE    NE       E     W       E     N       E     W
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 FW   FW FW FW FW   FW FW FW FW   FW FW FW SC   FW FW FW SC
PoP 12hr         10       5     5       5    10      10    10      10    10

$$

TNZ071-270900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
259 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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                      73          90          73          82          67
Temp          93 89 81 78 75 75 83 88 89 86 79 77 75 74 78 81 81 78 73 70 69 69
Dewpt         68 71 70 70 70 71 72 71 70 71 71 70 70 71 70 73 71 71 70 68 66 66
RH            44 56 69 76 84 87 70 57 54 61 77 79 84 90 76 77 72 79 90 93 90 90
Wind Dir       S  W SW  S SW SW SW SW SW  S  S  S  W SW  S SW SW NW  N  N  N  N
Wind Spd       2  3  2  1  0  3  6  6  6  4  5  4  6 12 10  8 11  5  9  6  4  6
Clouds        SC FW SC SC SC B1 B1 B1 B1 B2 B2 B2 OV OV OV OV OV OV B2 B1 B1 B1
PoP 12hr                     10          40          40          80          50
QPF 12hr                      0        0.12        0.14        0.59        0.21
Rain                                                  D  D  D  D
Rain shwrs                    S  S  C  C  C  C  C  C              C  C  C  S
Tstms                         S  S  C  C  C  C  C  C  L  L  L  L  C  C  S


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          82      62    85      64    86      66    87      67    88
Temp          80 77   66 65 82 80   69 66 84 80   70 68 85 81   71 69 86 82
Dewpt         63 60   59 59 60 60   61 62 64 65   65 65 63 66   65 66 65 67
PWind Dir         N      NE    NE      NE     N       W     N      NE    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 FW   FW CL FW FW   FW FW FW SC   SC SC FW FW   FW SC SC SC
PoP 12hr          5       5     5       5    10       5    10      10    10

$$

TNZ036-270900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
259 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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                      73          90          73          82          66
Temp          93 89 81 78 75 75 83 88 89 86 79 77 75 74 78 81 81 78 72 70 68 68
Dewpt         70 72 71 71 70 72 73 72 71 70 71 71 71 70 71 73 72 72 69 68 65 64
RH            47 57 72 79 84 90 72 59 56 59 77 82 87 87 79 77 74 82 90 93 90 87
Wind Dir       S SW  W  S SW SW SW SW  W  S  S  W SW SW SW SW  W NW  N  N  N  N
Wind Spd       3  2  1  0  0  2  4  5  4  4  4  4  8 10  6  8  8  5  9  8  6  6
Clouds        SC FW SC FW FW B1 B1 B2 B1 B1 B2 B2 OV OV OV OV OV B2 B1 B1 SC SC
PoP 12hr                     10          50          50          80          40
QPF 12hr                      0        0.09        0.18        0.65        0.18
Rain                                                  D  D  D  D
Rain shwrs                    S  S  C  C  C  C  C  C              C  C  C  S
Tstms                         S  S  C  C  C  C  C  C  L  L  L  L  C  C  S


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          82      62    85      64    87      66    87      67    89
Temp          80 77   66 65 82 80   69 67 84 81   71 68 85 81   71 69 87 83
Dewpt         62 60   58 59 60 60   60 61 63 65   66 65 64 66   66 66 65 67
PWind Dir         N      NE    NE      NE    NW       W     W      NE     W
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC FW   FW CL FW FW   FW FW FW SC   SC SC FW SC   FW FW SC SC
PoP 12hr          5       5     5       5    10       5    20      10    10
Rain shwrs                                               S  S
Tstms                                                    S  S

$$

TNZ099-270900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
259 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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          91          74          86          71
Temp          93 89 82 78 76 76 84 89 90 87 80 78 76 75 81 85 85 82 77 74 73 73
Dewpt         72 74 73 73 72 73 74 72 71 72 72 72 72 72 72 73 73 73 71 70 68 68
RH            51 61 74 85 87 90 72 57 54 61 77 82 87 90 74 67 67 74 82 87 84 84
Wind Dir      NW  W SW SE SE  S SW SW SW  S  S  S NW  S SW  S  S  W  N  N  N  N
Wind Spd       3  2  1  0  0  2  3  4  5  3  3  4  9  3  5  9  6  4  5  8  6  6
Clouds        B1 SC SC FW SC B1 SC B1 B1 SC SC B1 B2 B2 B2 OV OV OV B2 B1 SC SC
PoP 12hr                     10          30          20          70          40
QPF 12hr                      0        0.03        0.08        0.46        0.24
Rain shwrs     S              S  S  C  C  S  S  S  S  L  L  L  L  C  C  C  S
Tstms          S              S  S  C  C  S  S  S  S  L  L  L  L  C  C  S


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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      65    87      66    87      68    89      69    89
Temp          83 80   69 67 85 82   71 68 85 81   72 70 87 83   73 71 87 83
Dewpt         63 61   61 61 63 61   64 63 64 65   66 66 64 66   67 67 64 68
PWind Dir         N      NE    NE      NE     E      SE    NE      NE     E
Wind Char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC FW   FW FW FW FW   FW FW FW SC   SC SC FW SC   SC SC SC SC
PoP 12hr          5       5     5       5    20       5    20      10    10
Rain shwrs                                 S  S          S  S
Tstms                                      S  S          S  S

$$

NCZ060-270900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
259 PM EDT Wed Jul 26 2017

Date           07/26/17      Thu 07/27/17            Fri 07/28/17            Sat
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                      67          86          71          81          66
Temp          91 87 77 73 70 69 78 84 85 82 77 74 73 72 77 80 80 77 72 69 68 68
Dewpt         68 70 69 69 69 69 72 72 71 73 71 70 69 70 72 72 72 72 70 68 66 67
RH            47 57 76 87 97100 82 67 63 74 82 87 87 93 85 77 77 85 93 97 93 97
Max/Min RH                  100          63          93          77          97
Wind Dir      SW SE SE  E  E SE  S  W SW  W SE  S SW  W NE  S SW  W NW  N  N  N
Wind Dir Deg  21 15 12 11  9 12 19 24 23 26 13 17 23 27  3 19 22 27 31  0  0  0
Wind Spd       3  3  2  1  1  2  3  4  4  2  2  4  2  6  3  5  9  4  5  9  6  6
Clouds        SC SC B1 SC SC B1 SC B1 B1 B1 B1 B1 B2 B2 OV OV OV OV B2 B2 SC SC
Clouds (%)    42 36 55 33 40 61 46 59 61 55 62 66 80 82 90 96 97 98 85 72 47 38
Vsby          10 10  5  5  3  2 10 10
PoP 12hr                     20          40          30          70          50
QPF 12hr                   0.02        0.10        0.05        0.41        0.24
Rain shwrs     S  S  S  S  S  S  S  C  C  S  S  C  C  L  L  L  L  C  C  C  C
Tstms          S  S  S  S  S  S  S  C  C  S  S  C  C  L  L  L  L  C  C  S
Haines                                    4                       3
LAL               2     2     2     3     3     3     4     4     4     3     2
Max Mix Hgt                            6800                    1900
AGL Mix Hgt                            5100                     200
Max Vent Rt                           35300                    3900
T Wind Dir                                W                       W
T Wind Spd                                6                      18
ADI                                      31                       3
Max LVORI                                 4                       6
Stability         A     G     F     B     B     F     D     D     D     E     F
Ceiling        6300  5500  5500  5500  5500 11700  4700  4000  4700  1700  1000
Sta Pres      27.99 28.02 28.00 27.97 27.90 27.88 27.85 27.84 27.79 27.74 27.75


Date           07/29  Sun 07/30/17  Mon 07/31/17  Tue 08/01/17  Wed 08/02/17
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          83      61    85      62    84      63    85      63    87
Temp          81 78   66 64 82 79   67 64 82 78   68 65 83 79   68 65 84 80
Dewpt         63 64   60 59 62 64   61 61 64 67   63 63 64 68   64 64 65 70
PWind Dir         N      NE     N       E    NE       E     N       E     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC FW   FW FW FW FW   FW FW SC SC   SC SC FW SC   SC SC SC SC
PoP 12hr         10       5     5       5    20      10    20      10    20
Rain shwrs                                 S  S          S  S          S  S
Tstms                                      S  S          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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