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

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PFMMRX

Point Forecast Matrices
National Weather Service Morristown TN
144 AM EDT Fri Jul 4 2025

TNZ017-042000-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
144 AM EDT Fri Jul 4 2025

Date             Fri 07/04/25            Sat 07/05/25            Sun 07/06/25
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                      90          65          90          64          89
Temp          64 64 80 85 88 83 73 69 66 69 80 86 88 82 72 68 65 68 79 85 87 82
Dewpt         57 63 66 63 63 66 65 63 62 63 66 64 63 65 61 61 60 61 64 64 63 66
RH            78 97 62 48 43 57 76 81 87 81 62 48 43 56 68 78 84 78 60 50 45 58
Wind Dir      NE  E  E NE NE SE  E  E NE  E SE SE SE SE SE  E  E  E  E  N  N  E
Wind Spd       2  2  3  3  3  3  2  2  2  2  2  3  4  4  3  2  2  2  2  3  4  3
Clouds        FW CL CL FW FW FW FW CL FW FW CL FW FW FW FW FW FW FW FW SC SC SC
PoP 12hr                      5           0           5           0          10
QPF 12hr                      0           0           0           0           0


Date          Mon 07/07/25  Tue 07/08/25  Wed 07/09/25  Thu 07/10/25
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          67    89      68    89      68    86      68    86
Temp          70 71 84 82   71 70 85 81   71 71 82 80   70 70 81 79
Dewpt         65 66 66 66   67 68 69 70   69 69 70 69   68 68 69 69
PWind Dir        SE     W      SW     W      SW     W      SW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC FW FW B1   B1 SC B1 B1   B1 B1 B1 B1   B2 B2 B2 B2
PoP 12hr         10    30      10    40      30    50      50    70
Rain shwrs              C          S  C    C     S  C    C  C  C  L
Tstms                   C          S  C    C     S  C    C  S  S  C

$$

TNZ071-042000-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
144 AM EDT Fri Jul 4 2025

Date             Fri 07/04/25            Sat 07/05/25            Sun 07/06/25
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          69          93          70          93
Temp          70 70 84 91 92 86 78 74 71 72 84 92 92 86 78 73 71 72 83 90 92 85
Dewpt         60 64 67 65 65 66 66 65 65 65 68 66 65 66 66 65 64 65 67 67 66 68
RH            71 81 57 42 41 51 67 74 81 79 59 43 41 51 67 76 79 79 59 47 43 57
Wind Dir      NE NE NE NE NE NE  S NE NE NE NE NE  E  E SE SE SE SE  W NW NW  N
Wind Spd       3  4  4  3  4  4  2  2  2  2  2  2  4  3  2  2  2  2  2  3  4  3
Clouds        FW CL CL FW FW FW SC FW FW FW CL FW FW FW FW FW FW FW FW FW FW SC
PoP 12hr                      5           5           5           0          10
QPF 12hr                      0           0           0           0           0
Heat index          87                      87 95                   86 93 95 88
Max heat               93    95    84          95    95    85          93    96


Date          Mon 07/07/25  Tue 07/08/25  Wed 07/09/25  Thu 07/10/25
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          71    94      72    93      72    91      71    90
Temp          74 73 91 85   75 75 91 84   75 74 88 83   74 72 86 82
Dewpt         66 67 68 68   69 69 70 70   70 70 71 70   70 69 71 70
PWind Dir        SE     W      SW     W      SW    SW      SW    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW B1   SC FW SC B1   B1 SC SC B1   B2 B2 B2 B2
PoP 12hr          5    30      10    40      20    60      50    70
Rain shwrs              C             C    S     S  L    C  C  C  L
Tstms                   C             C    S     S  L    C  S  S  L

$$

TNZ036-042000-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
144 AM EDT Fri Jul 4 2025

Date             Fri 07/04/25            Sat 07/05/25            Sun 07/06/25
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          69          94          69          93
Temp          70 70 84 91 92 85 77 73 70 72 84 92 93 85 77 72 70 72 83 91 91 84
Dewpt         60 64 67 65 65 65 63 65 64 66 68 67 66 67 65 65 64 65 67 67 67 68
RH            71 81 57 42 41 51 62 76 81 81 59 44 41 55 67 79 81 79 59 45 45 59
Wind Dir      NE NE  E  E NE NE  N NE NE NE  S  E  E  E NE NE NE  E SW  W NW  N
Wind Spd       3  3  3  3  3  2  2  2  1  1  1  2  2  2  2  1  1  1  1  2  3  2
Clouds        FW CL CL FW FW FW FW FW FW CL CL FW FW FW FW FW FW FW FW SC FW SC
PoP 12hr                      0           0           5           0          10
QPF 12hr                      0           0           0           0           0
Heat index          87                      87 96 96 88             86 94 94 87
Max heat               93    95    83          96    97    84          94    96


Date          Mon 07/07/25  Tue 07/08/25  Wed 07/09/25  Thu 07/10/25
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          70    93      71    92      71    91      70    89
Temp          73 73 92 84   74 74 90 82   74 73 89 82   73 72 86 81
Dewpt         67 67 68 69   70 70 71 70   70 70 72 70   69 69 72 70
PWind Dir        NW    SW      NW     W      NW     W       W    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW SC B1   SC SC B1 B2   SC SC SC B1   B1 B1 B2 B2
PoP 12hr          5    30      10    40      20    60      50    70
Rain shwrs              C             C    S     S  L    C  C  C  L
Tstms                   C             C    S     S  L    C     S  L

$$

TNZ099-042000-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
144 AM EDT Fri Jul 4 2025

Date             Fri 07/04/25            Sat 07/05/25            Sun 07/06/25
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                      95          72          94          72          94
Temp          72 73 84 92 92 85 78 75 74 74 85 92 91 85 79 75 73 74 84 91 92 84
Dewpt         65 65 69 69 68 69 70 69 68 69 70 69 68 68 68 68 66 67 68 69 67 69
RH            79 76 61 47 46 59 76 82 82 84 61 47 47 57 69 79 79 79 59 49 44 61
Wind Dir       N  N NE  E  E NE  N  N  N NE SE  E  E NE  E SE SE  S  S  W NW  N
Wind Spd       3  3  2  3  3  2  1  1  1  1  2  3  3  2  1  1  1  1  2  3  4  3
Clouds        FW FW FW CL FW FW FW FW SC FW CL FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                     10           5           5           0          10
QPF 12hr                      0           0           0           0           0
Heat index          88 97 96 89             90 97 95 88             87 96 96 88
Max heat               97    98    86          97    97    86          96    97


Date          Mon 07/07/25  Tue 07/08/25  Wed 07/09/25  Thu 07/10/25
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          71    94      73    95      73    92      72    90
Temp          75 74 92 85   76 75 92 83   75 75 89 83   75 74 88 81
Dewpt         69 68 69 70   71 71 71 72   72 72 73 72   71 71 73 71
PWind Dir         W     W      NW     W      NW     W      SW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW SC   SC FW SC B1   SC SC SC B1   B1 B1 B1 B1
PoP 12hr          5    20      10    40      20    60      40    70
Rain shwrs              S             C    S     S  L    C  C  C  L
Tstms                   S             C    S     S  L    C     S  L

$$

NCZ060-042000-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
144 AM EDT Fri Jul 4 2025

Date             Fri 07/04/25            Sat 07/05/25            Sun 07/06/25
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                      90          64          90          63          90
Temp          65 65 81 87 86 77 71 68 65 67 80 87 86 79 71 67 64 66 79 86 86 79
Dewpt         57 62 68 66 67 67 65 63 61 63 66 64 64 65 63 62 60 61 66 65 65 66
RH            75 90 65 50 53 71 81 84 87 87 62 46 48 62 76 84 87 84 64 50 50 64
Min/Max RH                   50          90          45          87          48
Wind Dir      SE  E SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E NW NW NW  N
Wind Dir Deg  12 11 12 13  9  8 10 11 10 11 11  8  8  9 11 11 10 10 32 31 32 34
Wind Spd       1  1  2  3  3  2  1  2  2  2  2  3  3  2  2  1  1  1  2  3  4  2
Clouds        SC FW CL SC SC SC FW CL FW CL CL FW FW SC FW FW FW FW FW SC FW SC
Clouds (%)    29 19  5 32 31 34 23  4 10  5  5 17 16 32 18 10 17 14  9 28 23 28
Vsby          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
PoP 12hr                     20           5          10           5          20
QPF 12hr                   0.11           0           0           0           0
Rain shwrs              S  S                                            S  S
Tstms                   S  S                                            S  S
Heat index          84    89
Max heat               89    91                88    89                88    89
ChanceThunder                20           5          10           5          20
Max Mix Hgt
AGL Mix Hgt                6000                    7200                    7200
Max Vent Rt               32300                   38200                   43300
T Wind Dir                    E                       E                       N
T Wind Spd                    5                       5                       4
ADI
Max LVORI
Stability        MM    MM    MM    MM    MM    MM    MM    MM    MM    MM    MM
Ceiling          MM    MM    MM    MM    MM    MM    MM    MM    MM    MM    MM
Sta Pres         MM    MM    MM    MM    MM    MM    MM    MM    MM    MM    MM


Date          Mon 07/07/25  Tue 07/08/25  Wed 07/09/25  Thu 07/10/25
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    91      66    91      66    89      66    87
Temp          68 68 87 79   69 69 88 78   69 69 86 77   68 68 83 77
Dewpt         63 65 65 65   65 66 68 67   67 67 69 68   67 67 70 68
PWind Dir        NE     W      NW    NW      NW     W       W     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW SC   B1 FW SC B1   B1 B1 B1 B1   B2 B2 B2 B2
PoP 12hr         10    30      10    50      20    70      50    80
Rain shwrs              C             C    S     S  L    C  C  C  D
Tstms                   C             C    S     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

$$