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

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Point Forecast Matrices
National Weather Service Morristown TN
200 PM EDT Thu May 23 2024

TNZ017-240800-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
200 PM EDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            Sun
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                      61          79          62          82          62
Temp          74 71 67 64 62 63 73 78 79 75 68 64 62 64 72 79 82 78 69 65 63 65
Dewpt         64 64 64 63 62 63 66 64 63 63 64 63 62 63 66 65 64 65 65 63 62 64
RH            71 79 90 97100100 79 62 58 66 87 97100 97 81 62 55 64 87 93 97 97
Wind Dir       S SW SE  S SE SW  W  W SW SW  S  S  S SW SW  W  W SW  S  S SE  E
Wind Spd       4  5  4  3  2  3  2  4  4  3  2  2  2  2  5  9  8  3  2  1  1  1
Clouds        B2 B2 SC B1 B2 B1 B1 B2 B1 B2 B1 B1 B2 B1 B1 B1 B1 SC SC SC B1 B1
PoP 12hr                     60          50          50          50          20
QPF 12hr                   0.03        0.06        0.05        0.07        0.04
Rain shwrs     C  L  C  S           S  C  C  C  C  C  C  C  C  C  S  S  S  S  C
Tstms          C  L  C  S           S  C  C  C  C  C  S  C  C  C  S  S  S  S  C
Obvis                     PF


Date           05/26  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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          84      64    80      56    74      54    73      53    MM
Temp          80 79   69 65 78 74   61 59 72 69   57 57 70 68   56 56 MM MM
Dewpt         66 66   64 65 66 63   58 58 56 55   54 54 54 54   53 54 MM MM
PWind Dir        SW       S    SW       W     W       W     W       W     W
Wind Char        LT      LT    GN      LT    GN      LT    GN      LT    LT
Avg Clouds    B1 B1   B1 B2 B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC MM
PoP 12hr         60      50    70      40    30      20    30      10    MM
Rain shwrs     C  L    C  C  L  L    C  C  C  C    S     S  C
Tstms          C  C    C  C  C  C    C  S          S        C

$$

TNZ071-240800-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
200 PM EDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            Sun
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                      65          81          65          86          66
Temp          78 73 70 67 66 66 75 80 80 77 70 67 65 67 76 83 86 80 73 68 66 68
Dewpt         65 65 66 65 64 65 68 67 67 66 67 66 64 65 69 68 67 67 68 67 65 67
RH            64 76 87 93 93 97 79 65 65 69 90 97 97 93 79 61 53 65 84 97 97 97
Wind Dir       W  E NE SW  W  E NW  W SW SW  S SW  S SW SW SW  W SW  S  S SE  S
Wind Spd       6  4  4  2  2  1  3  4  4  4  3  3  3  3  5  8  8  3  2  2  2  2
Clouds        OV B1 B1 SC SC B1 B1 B1 B2 B1 B1 B1 B1 B1 SC SC B1 SC SC B1 B1 B2
PoP 12hr                     50          70          60          50          30
QPF 12hr                   0.08        0.05        0.12        0.12        0.01
Rain shwrs     C  C  C        S  S  L  L  C  C  L  L  C  C  C  C  S  S  C  C  L
Tstms          C  C  C        S  S  L  L  C  C  C  C  C  C  C  C  S  S  S  C  C
Obvis                  PF PF  F
Heat index                                                 86 89
Max heat                           82    83                86    89


Date           05/26  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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          86      68    82      60    77      57    77      57    MM
Temp          83 82   72 68 79 77   64 62 75 72   60 59 74 73   60 59 MM MM
Dewpt         70 68   66 67 69 65   61 60 59 58   56 56 56 57   56 56 MM MM
PWind Dir        SW      SW    SW      SW     W       W     W       W     W
Wind Char        LT      GN    GN      LT    GN      LT    LT      LT    LT
Avg Clouds    B1 B1   B1 B2 B1 SC   SC SC SC SC   FW SC SC FW   FW FW FW MM
PoP 12hr         60      70    70      40    30      10    20      10    MM
Rain shwrs     L  L    C  L  L  L    C  C  C  S          S  S
Tstms          C  L    C  C  C  C    C  S                S  S

$$

TNZ036-240800-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
200 PM EDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            Sun
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          81          64          86          65
Temp          74 71 68 66 64 66 74 80 81 75 69 66 65 66 75 83 86 80 71 67 65 67
Dewpt         68 66 65 64 63 65 68 67 66 65 66 65 64 66 69 68 68 67 67 67 65 67
RH            82 84 90 93 97 97 82 65 60 71 90 97 97100 82 61 55 65 87100100100
Wind Dir       W SE SE NW  N NE SE  S SW SW  S SW SW SW SW SW SW SW  W  S SE  S
Wind Spd       4  3  3  1  2  1  2  3  4  3  2  2  2  2  3  5  5  2  1  1  1  2
Clouds        OV B1 SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 SC B1 SC SC SC B2 B2
PoP 12hr                     50          70          60          50          30
QPF 12hr                   0.12        0.05        0.06        0.07        0.01
Rain shwrs     C  C  C        S  S  L  L  C  C  L  L  C  C  C  C  S  S  C  C  L
Tstms          C  C  C        S  S  L  L  C  C  C  C  C  C  C  C  S  S  S  C  C
Obvis                  PF PF  F
Heat index                                                 86 89
Max heat                           82    83                86    89
Svr Tstorm     A


Date           05/26  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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          86      67    82      58    78      57    78      56    MM
Temp          82 81   70 68 79 75   62 60 76 72   59 59 75 72   58 58 MM MM
Dewpt         70 67   66 67 69 64   59 58 58 57   55 55 56 56   55 55 MM MM
PWind Dir         S      SW    SW       W     W       W     W      NW    NW
Wind Char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B1   B1 B2 B2 SC   SC SC SC FW   FW FW FW FW   FW FW FW MM
PoP 12hr         60      70    70      40    20      10    20      10    MM
Rain shwrs     L  L    C  L  L  L    C  C  S  S             S
Tstms          C  L    C  C  C  C    C  S                   S

$$

TNZ099-240800-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
200 PM EDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            Sun
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          83          67          88          69
Temp          81 77 73 70 68 69 77 82 83 79 73 69 67 69 78 85 87 83 75 71 69 71
Dewpt         68 67 66 66 65 66 68 67 67 66 68 67 67 67 70 69 68 68 69 69 68 69
RH            65 71 79 87 90 90 74 61 59 64 84 93100 93 76 59 53 61 82 93 97 93
Wind Dir      SW  W NE  E NE  E  S SW SW  S  S  S  S SW SW SW  W SW  S  S  S  S
Wind Spd       8  2  3  2  1  1  2  5  6  3  2  2  2  2  3  5  6  2  1  1  1  2
Clouds        B2 B1 B1 B1 B2 B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 B1
PoP 12hr                     40          70          50          40          30
QPF 12hr                   0.03        0.21        0.04        0.01        0.03
Rain shwrs     C  S  S     S  C  C  L  L  C  C  C  C  C  C  C  C  S  S  C  C  C
Tstms          C  S  S        S  S  L  L  C  S  C  C     S  C  C  S  S  S  C  C
Heat index                         85 86                   89 91 86
Max heat         84                85    86                89    91    83


Date           05/26  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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      69    86      61    80      59    81      59    MM
Temp          86 85   74 70 83 80   66 63 78 76   62 62 79 76   62 61 MM MM
Dewpt         67 68   68 69 69 65   61 60 57 57   56 57 55 57   57 57 MM MM
PWind Dir         S       S    SW       W    NW      NW    NW      NW     N
Wind Char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 SC   B1 B2 B1 SC   SC FW FW FW   FW FW FW FW   FW FW FW MM
PoP 12hr         50      70    60      40    20      10    10       5    MM
Rain shwrs     C  C    C  L  C  L    C  S  S  S
Tstms          C  C    C  C  C  C    C  S

$$

NCZ060-240800-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
200 PM EDT Thu May 23 2024

Date           05/23/24      Fri 05/24/24            Sat 05/25/24            Sun
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                      62          80          62          85          62
Temp          75 71 68 64 63 63 74 76 80 75 68 64 62 64 75 83 85 79 70 65 63 64
Dewpt         66 65 63 63 62 63 67 67 66 66 64 63 62 64 68 68 65 66 66 65 63 64
RH            74 81 84 97 97100 79 74 62 74 87 97100100 79 61 51 64 87100100100
Max/Min RH                  100          62         100          51         100
Wind Dir      SW  W  E SE NE  E SW SW SW SW SE  N  N  S  W  W  W  W  N  N  N SE
Wind Dir Deg  22 24 11 14  6 11 21 23 22 20 15  0  0 19 26 26 26 25  0  0  0 14
Wind Spd       6  4  1  1  1  1  2  4  4  2  1  0  0  1  2  5  5  2  0  0  0  1
Clouds        B1 SC B1 SC B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1 B2
Clouds (%)    64 41 61 35 55 61 64 78 66 56 53 61 65 64 50 45 49 42 42 37 66 70
Vsby          10 10  7  5  2  3  6 10 10 10  6
PoP 12hr                     40          60          50          50          30
QPF 12hr                   0.05        0.53        0.07        0.04           0
Rain shwrs     S  C  C  S  S  C  C  L  L  C  C  C  C  C  C  C  C  S  S  C  C  C
Tstms          S  C  C  S     S  S  L  L  C  S  C  C     C  C  C  S  S  S  S  C
Obvis                   F  F
Heat index                                                 86
Max heat                                 82                86    88
Haines                                    4                       4
LAL               3     3     3     4     4     3     3     3     3    MM    MM
Max Mix Hgt
AGL Mix Hgt                            3200                    5300
Max Vent Rt                           26600                   54600
T Wind Dir                               SW                       W
T Wind Spd                                6                       8
ADI                                      23                      47
Max LVORI                                10                      10
Stability         A     G     F     B     B     F     F     B     A    MM    MM
Ceiling        NONE  NONE  NONE  NONE  NONE  NONE  NONE  8000 11700    MM    MM
Sta Pres      27.86 27.85 27.84 27.86 27.79 27.78 27.80 27.77 27.81    MM    MM


Date           05/26  Mon 05/27/24  Tue 05/28/24  Wed 05/29/24  Thu 05/30/24
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          86      64    82      56    77      54    76      53    MM
Temp          83 80   68 64 79 75   61 58 75 71   57 56 74 70   56 55 MM MM
Dewpt         65 65   66 64 68 64   60 58 56 56   54 54 52 54   53 54 MM MM
PWind Dir         S       S    SW      NW    NW      NW    NW      NW     N
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 SC   SC B2 B2 SC   SC SC FW FW   FW SC FW FW   FW FW FW MM
PoP 12hr         60      60    70      50    20      10    10       5    MM
Rain shwrs     C  L    C  L  L  L    C  C  S  S
Tstms          C  C    C  C  C  L    C  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

$$