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

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Point Forecast Matrices
National Weather Service Morristown TN
635 AM EDT Mon Apr 15 2024

TNZ017-152000-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
635 AM EDT Mon Apr 15 2024

Date             Mon 04/15/24            Tue 04/16/24            Wed 04/17/24
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                      78          58          80          60          77
Temp             56 68 76 78 73 66 63 60 60 70 77 80 75 67 63 62 61 70 74 76 71
Dewpt            48 54 58 58 57 57 58 56 57 60 59 57 55 52 51 51 53 54 53 53 52
RH               74 61 54 50 57 73 84 87 90 71 54 45 50 59 65 67 75 57 48 45 51
Wind Dir          S SW SW  W SW SW SE NE SE SW  S  S  S SE  S SE  S  S SW SW SW
Wind Spd          5  9 10 10  6  5  4  5  3  4  6  6  5  6  5  5  5 10 14 12 13
Wind Gust                                                                    24
Clouds           FW FW FW FW SC B2 B1 B1 B1 OV B2 B2 B1 B1 B2 B2 B2 B2 B2 B1 SC
PoP 12hr                     10          30          10           5          30
QPF 12hr                      0        0.23           0           0           0
Rain shwrs                    S  S                                C  C  C  C  C
Tstms                         S  S                                         S  C
Obvis                                    PF


Date          Thu 04/18/24  Fri 04/19/24  Sat 04/20/24  Sun 04/21/24
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          59    77      52    80      56    73      50    64
Temp          62 59 74 70   57 54 76 72   59 57 69 66   55 50 59 58
Dewpt         56 58 54 50   50 50 54 53   52 52 53 50   47 45 44 40
PWind Dir        SW     W      NE    SW      SW     W      NW     N
Wind Char        GN    GN      LT    LT      LT    GN      GN    GN
Avg Clouds    B1 B2 SC FW   FW SC SC SC   B1 B1 B2 B2   B2 B1 B1 B1
PoP 12hr         40    10       5    40      30    40      30    40
Rain shwrs     C  S                C  C    C  S  C  C    C  C  C  C
Tstms          C  S                        S  S  S  C    C  S     S

$$

TNZ071-152000-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
635 AM EDT Mon Apr 15 2024

Date             Mon 04/15/24            Tue 04/16/24            Wed 04/17/24
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                      82          61          84          65          77
Temp             61 73 80 82 77 69 65 62 62 70 80 84 77 69 67 66 65 70 74 76 73
Dewpt            51 56 60 60 60 60 59 58 56 59 56 52 51 50 52 53 53 54 55 55 56
RH               70 55 51 47 56 73 81 87 81 68 44 33 40 51 59 63 65 57 51 48 55
Wind Dir         SW SW SW SW SW SW SW  S SE SW SW  S  S  S  S  S  S SW SW SW SW
Wind Spd          8 10 10 10  6  5  5  4  3  5  8 10  9  8  9  9 10 17 18 19 18
Clouds           FW FW CL FW SC SC SC B1 B2 OV B2 B1 B1 B1 B2 OV B2 B2 B2 B1 B1
PoP 12hr                      5           5           0          10          40
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                        C  C  C  C  C
Tstms                                                                      S  C


Date          Thu 04/18/24  Fri 04/19/24  Sat 04/20/24  Sun 04/21/24
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          61    81      56    82      59    75      53    66
Temp          65 61 78 75   60 58 78 75   62 59 71 69   57 53 63 60
Dewpt         61 60 56 55   53 53 57 57   55 54 56 54   50 48 47 45
PWind Dir        SW     W       E     W       W     W       N     N
Wind Char        GN    GN      LT    GN      LT    GN      GN    GN
Avg Clouds    B1 B2 SC FW   FW SC SC SC   B1 B1 B2 B2   B1 B2 B2 B1
PoP 12hr         40     5      20    40      30    40      30    30
Rain shwrs     C  S             S  C  C    C  C  C  C    C  C  C  C
Tstms          C  S                   S    S  S  S  C    C  C  S

$$

TNZ036-152000-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
635 AM EDT Mon Apr 15 2024

Date             Mon 04/15/24            Tue 04/16/24            Wed 04/17/24
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                      83          60          83          64          76
Temp             58 73 80 83 78 69 64 61 60 69 79 83 77 69 67 66 64 70 72 75 72
Dewpt            50 56 60 59 59 59 59 58 57 58 56 51 47 47 50 52 53 55 56 56 56
RH               75 55 51 44 52 70 84 90 90 68 45 33 35 45 54 61 67 59 57 52 57
Wind Dir         SW SW SW SW SW SW SW  S NW  S  S  S  S  S  S SW  S SW SW SW SW
Wind Spd          5  8  9  9  6  5  4  2  3  5  9 11 10 10 11 12 13 17 17 20 18
Wind Gust                                                                 31 28
Clouds           FW CL FW FW SC FW SC B2 B2 OV B2 B1 B2 B1 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                      5           5           0          10          50
QPF 12hr                      0           0           0           0        0.01
Rain shwrs                                                        C  C  C  C  C
Tstms                                                                   S  S  C


Date          Thu 04/18/24  Fri 04/19/24  Sat 04/20/24  Sun 04/21/24
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          61    82      56    82      58    76      52    66
Temp          63 61 79 75   60 58 78 74   61 58 72 69   56 52 63 60
Dewpt         60 59 55 53   52 53 56 55   53 52 55 52   49 46 46 42
PWind Dir        SW     W       N    SW      NW     W       N     N
Wind Char        GN    LT      LT    GN      LT    GN      GN    GN
Avg Clouds    B1 B1 SC FW   FW SC SC SC   B1 B1 B2 B2   B2 B2 B2 B1
PoP 12hr         40     5      20    40      30    40      30    30
Rain shwrs     C                S  C  C    C  C  C  C    C  C  C  C
Tstms          C                      S    C  S  S  C    C  C  S

$$

TNZ099-152000-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
635 AM EDT Mon Apr 15 2024

Date             Mon 04/15/24            Tue 04/16/24            Wed 04/17/24
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                      85          61          83          64          77
Temp             58 73 83 85 80 70 65 62 61 70 80 83 78 71 69 66 64 69 74 76 73
Dewpt            52 57 60 59 59 59 56 56 54 56 53 49 50 53 55 54 54 56 58 59 60
RH               80 57 46 41 49 68 73 81 78 61 39 31 37 53 61 65 70 63 57 56 64
Wind Dir          S SW SW SW SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind Spd          4  8  8  9  5  4  3  3  3  6 11 13 10 13 12 10 11 13 13 13 13
Clouds           CL CL CL SC B1 SC B1 B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      0           5           0          20          50
QPF 12hr                      0           0           0           0        0.04
Rain shwrs                                                  S  S  C  C  C  C  C
Tstms                                                                S  S  C  C


Date          Thu 04/18/24  Fri 04/19/24  Sat 04/20/24  Sun 04/21/24
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          62    84      59    84      61    79      56    70
Temp          66 62 81 78   64 61 82 74   64 61 75 73   60 56 67 64
Dewpt         62 61 58 57   55 56 59 58   56 55 56 54   52 49 48 46
PWind Dir        SW     W      NW    SW      NW    NW       N     N
Wind Char        GN    LT      LT    GN      LT    GN      GN    GN
Avg Clouds    B1 B1 SC FW   SC SC SC B1   B1 B1 B2 B1   B2 B2 B1 B1
PoP 12hr         30     5      20    40      20    40      40    30
Rain shwrs     C  S             S  C  C    S  S  C  C    C  C  C  C
Tstms          C  S                S  C    S  S  S  C    C  C  S  S

$$

NCZ060-152000-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
635 AM EDT Mon Apr 15 2024

Date             Mon 04/15/24            Tue 04/16/24            Wed 04/17/24
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                      82          55          82          61          76
Temp             54 70 80 82 76 65 59 56 55 68 78 81 74 66 64 63 61 68 74 72 68
Dewpt            48 56 57 56 56 56 55 53 52 55 51 45 46 49 52 52 53 54 52 54 55
RH               80 61 45 41 50 73 87 90 90 63 39 28 37 54 65 67 75 61 46 53 63
Min/Max RH                   41          90          28          75          46
Wind Dir          N  W  W SW SW  S  N  N SE SE  S  S  S SE SE  S  S  S  S  S  S
Wind Dir Deg      0 27 24 23 22 17  0  0 14 15 18 18 16 15 15 16 16 18 18 18 19
Wind Spd          0  5  6  6  5  2  0  0  3  4  9 10  8  9  8  6  8 12 13 11 11
Clouds           CL FW FW FW SC FW SC B1 B2 OV B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2
Clouds (%)        2  6 13 12 26 23 29 55 78 95 66 67 70 65 80 82 86 83 84 78 78
Vsby             10 10 10 10 10 10 10  7  7 10 10 10
PoP 12hr                      0           0           0          10          40
QPF 12hr                      0           0           0           0        0.01
Rain shwrs                                                        C  C  C  C  C
Tstms                                                                   S  S  C
Haines                        3                       5                       5
LAL               1     1     1     1     1     1     1     1     1     2     3
Max Mix Hgt
AGL Mix Hgt                5200                    5600                    2700
Max Vent Rt               66000                   96500                   42700
T Wind Dir                    W                       S                       S
T Wind Spd                   10                      10                      12
ADI                          57                      84                      37
Max LVORI                     5                       7                       3
Stability         G     B     B     G     F     B     B     D     D     C     C
Ceiling           0  6300  NONE  NONE  NONE  NONE  NONE  NONE  NONE  NONE  NONE
Sta Pres      27.94 27.91 27.92 27.96 27.98 27.95 27.93 27.93 27.94 27.92 27.87


Date          Thu 04/18/24  Fri 04/19/24  Sat 04/20/24  Sun 04/21/24
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          58    81      52    83      55    78      53    70
Temp          61 58 78 74   57 54 79 73   59 56 74 69   56 53 68 60
Dewpt         59 58 54 54   51 50 55 56   54 53 56 53   52 50 49 45
PWind Dir        SW    NW      NE    SW      NE    NW      NW    NW
Wind Char        GN    GN      LT    GN      LT    GN      LT    GN
Avg Clouds    B2 B2 SC FW   SC SC SC SC   B1 B1 B2 B1   B2 B2 B2 B1
PoP 12hr         30     5      10    40      20    40      40    40
Rain shwrs     C  S                S  C    S  S  C  C    C  C  C  C
Tstms          C  S                   S    S     S  C    C  C  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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