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

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Point Forecast Matrices
National Weather Service Morristown TN
736 PM EDT Mon Jul 14 2025

TNZ017-150800-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
736 PM EDT Mon Jul 14 2025

Date           07/14/25      Tue 07/15/25            Wed 07/16/25            Thu
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          91          69          90          70
Temp             83 74 72 70 71 82 87 87 83 75 72 70 72 81 86 87 82 74 73 71 72
Dewpt            71 71 70 69 70 73 72 71 72 71 70 69 70 73 73 73 72 72 71 70 71
RH               67 90 93 97 97 74 61 59 70 87 93 97 93 77 65 63 72 93 93 97 97
Wind Dir         NW NE  E  E SE SW  W  S SE  E SE  E SE SW SW SW SW  S  S  S  S
Wind Spd          3  1  1  0  0  1  2  3  2  2  2  1  1  3  5  5  4  2  1  1  2
Clouds           FW FW SC SC SC FW SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC B1
PoP 12hr                     20          60          30          70          40
QPF 12hr                   0.01        0.14        0.03        0.06        0.06
Rain shwrs        S  S              C  L  C  C        C  C  L  L  C  C  S  S  C
Tstms             S  S              C  L  C  S           C  L  L  C  C     S
Heat index       88             87 93 93 88             86 93 94 87
Max heat         91    83          96    97                94    95    84


Date           07/17  Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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          89      70    88      70    87      69    89      70    89
Temp          85 81   73 72 84 80   72 71 83 81   72 72 85 82   72 71 86 82
Dewpt         74 73   71 71 74 72   70 71 73 73   71 71 74 73   71 71 73 73
PWind Dir        SW       S     W      SW     W       S    SW      SW    SW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1   B1 SC B1 B1   B2 B2 B1 B1   SC SC SC SC   B1 B1 B1 SC
PoP 12hr         70      30    70      30    60      30    60      40    50
Rain shwrs     C  L    C  S  C  L    C     C  L    C  S  S  L    C  S  C  C
Tstms          C  L    C     C  L    C     S  C    C     S  C    C     S  C

$$

TNZ071-150800-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
736 PM EDT Mon Jul 14 2025

Date           07/14/25      Tue 07/15/25            Wed 07/16/25            Thu
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          94          74          93          74
Temp             86 79 75 73 75 86 91 93 87 80 77 75 76 85 90 91 85 78 76 74 76
Dewpt            71 72 72 71 71 74 73 71 72 72 72 71 72 75 75 74 73 73 73 71 72
RH               61 79 90 93 87 68 56 49 61 77 85 87 87 72 62 58 67 85 90 90 87
Wind Dir          W NE NE NE NE  W  W  W SW  S  S  S  S SW SW SW SW  S  S  S  S
Wind Spd          3  2  1  1  1  1  2  3  3  2  2  2  2  3  5  6  4  2  2  2  2
Clouds           SC SC SC SC FW FW SC SC SC SC B1 B1 SC SC SC SC B1 B1 SC SC B1
PoP 12hr                     10          40          30          60          40
QPF 12hr                      0        0.01        0.03        0.07        0.03
Rain shwrs                          C  C  C  C        S  S  L  L  C  C  S  S  C
Tstms                               C  C  C  S           S  L  L  C  S  S  S
Heat index       91             94100100 94 84          94101101 92
Max heat         96    88         100   101    90         101   102    87


Date           07/17  Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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          92      74    92      73    92      74    93      74    93
Temp          90 85   77 76 89 83   76 75 89 85   76 75 90 85   77 76 91 86
Dewpt         75 73   72 72 75 73   73 72 75 74   73 72 75 73   73 73 75 73
PWind Dir        SW      SW    SW      SW    SW       S    SW      SW    SW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1   B1 SC B1 B1   B1 SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         60      30    70      30    60      20    50      30    50
Rain shwrs     C  L    C  S  C  L    C     S  L    S     S  C    C  S  S  C
Tstms          C  L    C     S  L    C     S  L    S     S  C    C     S  C

$$

TNZ036-150800-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
736 PM EDT Mon Jul 14 2025

Date           07/14/25      Tue 07/15/25            Wed 07/16/25            Thu
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                      71          93          72          92          73
Temp             84 77 74 72 74 86 90 92 86 79 75 73 75 85 90 90 84 78 75 74 75
Dewpt            73 72 72 70 71 75 74 73 72 72 72 71 73 75 76 74 73 72 72 72 72
RH               70 85 93 93 90 70 60 54 63 79 90 93 94 72 64 60 70 82 90 93 90
Wind Dir          W NE NE NE NE  S SW SW  W  W  S SW SW SW SW SW SW  S SW SW SW
Wind Spd          2  2  1  1  1  1  2  2  2  1  1  1  1  2  4  4  2  2  2  2  2
Clouds           SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC B1 SC SC SC B1
PoP 12hr                     10          40          30          60          30
QPF 12hr                      0           0        0.01        0.05        0.02
Rain shwrs                          C  C  C  C        S  S  L  L  C  C  S  S  C
Tstms                               C  C  C  C           S  L  C  C  S  S  S
Heat index       90             95 99101 92             94102 99 90
Max heat         93    84          99   101    87         102   103    87


Date           07/17  Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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          92      72    90      73    91      72    92      73    93
Temp          90 84   75 75 89 82   74 75 89 83   75 75 90 85   75 75 91 84
Dewpt         76 73   73 73 76 73   72 72 76 74   73 73 75 73   73 73 76 74
PWind Dir        SW      SW    SW      SW    SW      SW    SW       W    SW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC B1   SC SC SC SC
PoP 12hr         60      30    70      30    60      20    60      30    50
Rain shwrs     C  L    C  S  C  L    C     S  L    S     S  L    C     S  C
Tstms          C  L    C     C  L    C     S  L    S     S  L    C     S  C

$$

TNZ099-150800-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
736 PM EDT Mon Jul 14 2025

Date           07/14/25      Tue 07/15/25            Wed 07/16/25            Thu
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          96          75          94          75
Temp             87 79 77 75 75 86 93 94 88 81 77 75 76 86 91 92 85 80 77 76 76
Dewpt            73 74 73 73 73 76 74 73 74 74 74 73 74 75 76 75 74 75 74 73 74
RH               63 85 87 94 94 72 54 51 63 79 90 94 94 70 62 58 70 85 90 90 94
Wind Dir          N NW NW  N  N SE  W  W  W SW  S  S  S  S  S  S  S  S  S  S  S
Wind Spd          3  1  1  1  1  1  2  3  2  1  1  1  2  3  4  5  3  2  2  2  2
Clouds           SC SC FW SC FW FW FW FW SC SC SC SC SC SC SC SC B1 SC SC SC SC
PoP 12hr                      5          30          20          60          30
QPF 12hr                      0        0.03        0.02        0.05        0.01
Rain shwrs                          C  C  S  S        S  S  L  L  C  C  S  S  C
Tstms                               C  C  S  S           S  L  L  C  S  S  S  S
Heat index       94             96103103 97 86          95103103 93 85
Max heat         97    90         103   105    94         103   105    90


Date           07/17  Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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          93      75    92      74    93      74    93      74    94
Temp          91 85   77 76 89 83   76 75 90 84   76 75 90 84   77 76 92 86
Dewpt         76 74   74 74 76 74   74 74 76 74   74 74 76 75   74 74 76 75
PWind Dir         S       S     S      SW    SW      SW     W      SW     W
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC B1   B1 SC SC B1   B1 B1 SC SC   SC FW SC B1   SC SC SC SC
PoP 12hr         70      30    70      20    70      20    60      20    60
Rain shwrs     C  L    C     S  L    S     S  L    S     S  L    S     S  L
Tstms          C  L    C     S  L    S     S  L    S     S  L    S     S  C

$$

NCZ060-150800-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
736 PM EDT Mon Jul 14 2025

Date           07/14/25      Tue 07/15/25            Wed 07/16/25            Thu
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          92          69          89          69
Temp             82 73 69 68 69 83 88 87 79 72 71 69 70 80 85 84 78 72 70 69 70
Dewpt            70 70 68 68 68 73 71 71 72 70 70 69 70 74 73 73 72 71 70 69 70
RH               67 90 97100 97 72 57 59 79 93 97100100 82 67 70 82 97100100100
Max/Min RH                  100          57         100          67         100
Wind Dir         NW  N  N  N  N SE  W  S  E  E SE  E SE  S  S  S SE SE SE SE SE
Wind Dir Deg     30  0  0  0  0 15 24 18  7 11 12 11 12 17 18 18 15 12 13 14 15
Wind Spd          2  0  0  0  0  1  2  2  2  1  1  1  1  2  4  3  2  1  1  1  1
Clouds           SC FW FW SC SC CL SC SC B1 B1 B1 B2 B1 SC B1 B1 B1 B1 SC B1 B1
Clouds (%)       29  8 15 47 33  3 34 43 56 58 58 70 60 43 56 55 57 55 42 62 68
Vsby             10 10 10  7  8 10 10 10 10 10  7  7 10
PoP 12hr                     10          60          40          70          50
QPF 12hr                      0        0.05        0.13        0.23        0.14
Rain shwrs                          C  C  C  C  S  S  C  C  L  L  C  C  S  S  C
Tstms                               C  C  C  C  S        C  L  L  C  S  S  S  S
Heat index       86             89 94 93                85 92 90
Max heat         88                94    94                92    92
ChanceThunder                10          60          40          70          40
Max Mix Hgt
AGL Mix Hgt                            5900                    4600
Max Vent Rt                           23400                   32000
T Wind Dir                                S                       S
T Wind Spd                                3                       6
ADI                                      23                      32
Max LVORI                                 9                       9
Stability         A     G     G     A     B     F     F     B     B     G     F
Ceiling        NONE  NONE  NONE  NONE  NONE  NONE  NONE  NONE  NONE  NONE  NONE
Sta Pres      27.95 27.97 28.00 27.96 27.93 27.97 27.96 27.96 27.94 27.96 27.99


Date           07/17  Fri 07/18/25  Sat 07/19/25  Sun 07/20/25  Mon 07/21/25
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          88      68    89      68    90      68    90      68    91
Temp          84 78   70 70 85 78   71 70 86 79   70 70 87 79   71 70 87 80
Dewpt         74 72   70 69 73 72   70 69 73 72   70 70 73 73   71 70 73 72
PWind Dir         S      SE    SW       S     W       S     W       S    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1   B1 B1 B1 B1   B2 B1 SC SC   SC SC SC SC   SC B1 SC SC
PoP 12hr         80      40    70      30    70      30    70      30    60
Rain shwrs     C  D    C     C  L    C     S  L    C     S  L    C     S  L
Tstms          C  L    C     S  L    C     S  L    C     S  L    C     S  L

This is an experimental product for planning and review purposes only, and is
not to be substituted for an official fire weather spot forecast

$$