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

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Point Forecast Matrices
National Weather Service Morristown TN
1045 PM EDT Wed Jul 23 2025

TNZ017-240800-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
1045 PM EDT Wed Jul 23 2025

Date           07/23/25      Thu 07/24/25            Fri 07/25/25            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                      64          91          68          92          71
Temp                77 71 67 67 80 87 89 86 76 71 68 71 82 88 91 86 76 73 71 73
Dewpt               64 64 63 64 68 66 66 68 69 68 66 68 72 71 69 71 70 70 70 71
RH                  64 79 87 90 67 50 47 55 79 90 93 90 72 57 49 61 82 90 97 93
Wind Dir            SE  E  E  E SE  E  S SE SE  E SE SE SW  W SW SW SW SW SW SW
Wind Spd             4  2  2  2  2  2  2  2  2  1  1  1  2  3  4  3  2  2  1  1
Clouds              CL CL CL CL FW FW FW CL FW CL FW FW FW FW FW FW FW FW SC SC
PoP 12hr                      0           5           5          20          10
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                  S  S  S  S        S
Tstms                                                       S  S  S  S
Heat index                      83    92 89             87 94 96 91
Max heat                           91    94    84          96    98    88


Date           07/26  Sun 07/27/25  Mon 07/28/25  Tue 07/29/25  Wed 07/30/25
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          91      71    91      71    92      70    92      70    93
Temp          88 85   73 73 87 85   73 73 89 86   72 71 90 87   72 71 90 86
Dewpt         73 72   71 71 74 73   72 72 72 71   70 70 69 69   70 70 69 70
PWind Dir        SW      SW     W      SW    NW       E    NW      NE    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC   SC SC SC SC   SC SC SC SC   FW FW FW FW   FW FW SC SC
PoP 12hr         40      10    40      20    30      20    20      20    30
Rain shwrs     S  C    S     S  C    S        C    S        S    S        C
Tstms          S  C    S     S  C    S        C    S        S    S        C

$$

TNZ071-240800-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
1045 PM EDT Wed Jul 23 2025

Date           07/23/25      Thu 07/24/25            Fri 07/25/25            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                      71          94          73          93          74
Temp                78 76 73 74 85 92 94 89 82 76 74 75 86 92 93 87 80 76 75 76
Dewpt               71 69 67 67 69 67 67 68 71 70 69 70 73 72 72 71 72 72 71 72
RH                  79 79 81 79 59 44 41 50 69 82 84 84 65 52 51 59 77 87 87 87
Wind Dir             S  W NE NE NE NE  E  S  S SW  S  S SW SW SW SW  S  S  S SW
Wind Spd             2  2  2  2  1  2  3  2  2  2  2  2  2  3  5  4  3  2  2  2
Clouds              SC SC SC FW FW FW FW FW SC FW FW FW FW FW SC SC SC FW SC FW
PoP 12hr                     10          10           5          40          10
QPF 12hr                      0           0           0        0.01           0
Rain shwrs                                                  C  C              S
Tstms                                                       C  C
Heat index                      89 96 98 93 86          93100101 93 84
Max heat                           96    98    89         100   101    91


Date           07/26  Sun 07/27/25  Mon 07/28/25  Tue 07/29/25  Wed 07/30/25
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          94      75    94      76    96      75    96      75    97
Temp          92 88   77 77 92 89   78 77 95 91   78 76 94 91   78 77 95 90
Dewpt         73 72   73 73 74 73   74 74 73 71   72 72 71 68   71 71 70 70
PWind Dir        SW      SW     W       S     N      NE    NE      NE     N
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW SC   SC SC SC SC   SC SC FW SC   FW FW FW FW   FW FW FW FW
PoP 12hr         30      10    30      10    30      10    20      20    30
Rain shwrs     S  C             C             C             S    S        C
Tstms          S  C             C             C             S    S        C

$$

TNZ036-240800-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
1045 PM EDT Wed Jul 23 2025

Date           07/23/25      Thu 07/24/25            Fri 07/25/25            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                      71          94          72          93          74
Temp                79 76 73 74 85 92 92 88 80 75 72 74 87 92 91 86 79 76 74 75
Dewpt               73 72 70 69 70 67 68 69 70 70 70 71 74 73 72 72 72 72 72 72
RH                  82 87 90 84 61 44 46 54 72 84 93 90 65 54 54 63 79 87 93 90
Wind Dir            SW  W  W NE  S SE  E  S SW SW SW SW SW SW SW SW SW SW SW SW
Wind Spd             1  1  1  1  1  2  2  2  1  1  1  1  2  2  3  2  2  1  1  1
Clouds              B1 SC SC FW FW FW FW FW FW FW FW FW FW SC SC SC FW FW SC SC
PoP 12hr                     10           5           5          30          20
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                  C  C  S  S        S
Tstms                                                       C  C  S  S
Heat index                      90 96 96 92 83          95101 99 92
Max heat               84          96    98    88         101   101    90


Date           07/26  Sun 07/27/25  Mon 07/28/25  Tue 07/29/25  Wed 07/30/25
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      74    94      75    96      74    96      75    97
Temp          91 87   76 76 93 87   77 76 95 89   77 76 94 90   77 76 95 89
Dewpt         74 72   73 73 75 73   74 74 73 72   72 73 72 70   72 72 71 71
PWind Dir        SW      SW     W      NW     N       N     N       N     N
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC   SC SC SC SC   SC SC SC SC   FW FW FW FW   FW FW FW SC
PoP 12hr         40      10    40      10    30      10    20      10    30
Rain shwrs     S  C             C             C             S             C
Tstms          S  C             C             C             S             C

$$

TNZ099-240800-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
1045 PM EDT Wed Jul 23 2025

Date           07/23/25      Thu 07/24/25            Fri 07/25/25            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                      72          94          74          93          74
Temp                81 77 74 74 84 91 93 88 79 76 74 75 85 92 90 85 79 76 74 76
Dewpt               72 71 69 68 71 70 69 70 72 72 72 73 75 73 74 72 74 73 73 73
RH                  74 82 84 82 65 50 46 55 79 87 93 94 72 54 60 65 85 90 97 90
Wind Dir             E  E  E  E SE SE SE SE  S  S  S  S  S  S  S  S  S SW  S SW
Wind Spd             2  1  1  1  3  4  5  3  2  2  1  2  3  5  5  3  2  1  1  1
Clouds              SC FW FW CL FW FW FW FW FW FW FW FW SC FW SC SC FW FW FW FW
PoP 12hr                     20          10           5          40          10
QPF 12hr                      0           0           0        0.04           0
Rain shwrs           S                                      C  C
Tstms                                                       C  C
Heat index          85          89 97 98 93             94101 99 91
Max heat               87          97    98    88         101   102    89


Date           07/26  Sun 07/27/25  Mon 07/28/25  Tue 07/29/25  Wed 07/30/25
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          94      75    95      76    97      76    98      76    98
Temp          92 88   77 77 93 89   78 77 95 91   80 77 96 91   79 77 96 91
Dewpt         74 73   74 74 74 73   74 75 74 73   74 74 72 71   73 73 72 72
PWind Dir        SW      SW     W      NW     N       N     N       N    NE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW SC   FW FW FW SC   FW FW FW SC   FW FW FW FW   FW FW FW SC
PoP 12hr         30       5    30       5    30       5    30      10    30
Rain shwrs        C             C             C             C             C
Tstms             C             C             C             C             C

$$

NCZ060-240800-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
1045 PM EDT Wed Jul 23 2025

Date           07/23/25      Thu 07/24/25            Fri 07/25/25            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                      64          91          67          90          68
Temp                76 70 67 67 81 88 89 81 73 69 67 69 82 88 86 79 73 70 68 70
Dewpt               70 67 63 63 70 70 68 70 69 68 67 69 73 71 71 71 70 69 68 69
RH                  82 90 87 87 69 55 50 69 87 97100100 74 57 61 77 90 97100 97
Max/Min RH                   89          50         100          56         100
Wind Dir            SE SE  E  E SE SE SE SE SE SE SE SE  S SW SW  S  N  N  N  N
Wind Dir Deg        12 12 11 11 12 13 14 13 13 12 12 12 18 21 21 18  0  0  0  0
Wind Spd             2  2  2  2  2  4  4  2  1  1  1  1  2  3  3  2  0  0  0  0
Clouds              SC CL FW FW FW FW FW FW FW FW SC SC FW SC B1 SC FW FW SC SC
Clouds (%)          42  4 11 10 11 21 21 20 12 18 34 43 22 47 58 46 25 24 31 38
Vsby                10 10 10 10 10 10 10 10 10  9  7 10
PoP 12hr                     10          10          20          60          20
QPF 12hr                      0           0           0        0.07        0.01
Rain shwrs                                S  S        S  S  L  L  S  S        S
Tstms                                     S              S  L  C  S
Heat index                      85 93 93 85             87 94 91
Max heat                           93    95                94    95
ChanceThunder                10          10          20          60          20
Max Mix Hgt
AGL Mix Hgt                            5200                    4800
Max Vent Rt                           36400                   38000
T Wind Dir                               SE                      SW
T Wind Spd                                8                       6
ADI                                      36                      38
Max LVORI                                 6                      10
Stability               G     G     B     A     G     G     B     A     G     G
Ceiling              NONE  NONE  NONE  NONE  NONE  NONE 15900  NONE  NONE  NONE
Sta Pres            28.05 28.08 28.04 28.02 28.02 28.04 28.00 27.98 28.00 28.03


Date           07/26  Sun 07/27/25  Mon 07/28/25  Tue 07/29/25  Wed 07/30/25
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          91      69    93      70    94      68    94      68    94
Temp          88 84   71 71 90 84   72 71 93 82   72 69 93 83   72 70 93 83
Dewpt         72 71   70 70 72 71   71 71 71 71   69 69 69 69   68 68 69 69
PWind Dir         W       W    NW      NW    NW       N     N      NE     W
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC   SC SC SC SC   SC FW FW SC   SC SC FW SC   FW FW FW SC
PoP 12hr         40      10    40      10    40      20    30      20    40
Rain shwrs     S  C             C             C    S        C    S        C
Tstms          S  C             C             C    S        C    S        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

$$