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

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Point Forecast Matrices
National Weather Service Morristown TN
1032 AM EST Fri Feb 23 2018

TNZ017-232100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
1032 AM EST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      77          54          71          56          65
Temp                   73 76 70 60 58 55 55 60 67 70 66 63 60 59 57 59 63 64 59
Dewpt                  63 61 61 60 58 55 55 57 58 58 57 57 57 57 56 53 50 48 47
RH                     71 60 73100100100100 90 73 66 73 81 90 93 96 80 62 56 64
Wind Dir                S SW SW  S  S  S  S SW SW SW  S  S  S  S  S SW  W  W SW
Wind Spd                9  8  4  5  3  4  5  9 11 10  9 10 11 12 13 12 10  8  5
Clouds                 B1 B1 SC SC B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV B1 B1 B1
PoP 12hr                     20          30          30          60          90
QPF 12hr                   0.01        0.07        0.23        0.10        0.33
Rain shwrs                 S  S  S  C  C  C  C  C  C  C  C  L  L  D  D  C  C  C
Tstms                                                    S  S  S


Date          Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          46    60      34    62      44    60      48    61
Temp          51 47 57 52   41 36 56 56   49 45 56 57   51 49 59 55
Dewpt         47 46 40 36   31 30 34 36   37 39 47 49   50 49 50 44
PWind Dir         W     W      NE     S       S     S       S     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    GN
Avg Clouds    B1 B2 B1 SC   FW FW FW FW   SC B1 B2 OV   OV OV OV B2
PoP 12hr         30    30       5    10      20    70      60    60
Rain shwrs     C  C  C  C                     S  L  L    L  L  L  L

$$

TNZ071-232100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
1032 AM EST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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          73          58          67
Temp                   74 77 72 64 61 59 58 63 69 72 68 65 62 61 59 61 65 66 61
Dewpt                  61 61 61 59 60 59 58 60 60 60 60 60 60 60 58 55 51 49 48
RH                     64 58 68 84 97100100 90 73 66 76 84 93 97 96 81 60 54 62
Wind Dir               SW SW  S  S  S  S  S  S SW  S  S  S  S SW SW  W NW  W  W
Wind Spd                9  6  5  5  4  4  5 10 12 12 11 12 13 14 14 12 10  8  6
Clouds                 B1 B1 SC SC B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV B1 B1 B1
PoP 12hr                     10          30          40          70          90
QPF 12hr                      0        0.14        0.21        0.27        0.38
Rain shwrs                    S  S  C  C  C  C  C  C  C  C  L  L  D  D  C  C  C
Tstms                                           S  S  S  S  S  S


Date          Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          48    62      39    64      47    61      51    62
Temp          53 49 59 55   45 41 58 59   52 48 58 58   54 52 60 56
Dewpt         48 48 42 38   36 35 41 42   43 45 50 53   54 51 51 48
PWind Dir         W     N      NE     W       S     S      SW     W
Wind Char        LT    LT      LT    LT      LT    LT      GN    GN
Avg Clouds    B1 B2 B1 SC   FW FW FW FW   SC B2 OV OV   OV OV OV B2
PoP 12hr         30    40       5     5      60    70      60    60
Rain shwrs     C  C  C  C                  S  L  L  L    L  L  L  L

$$

TNZ036-232100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
1032 AM EST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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          73          58          66
Temp                   74 77 72 65 62 60 58 63 69 72 68 65 62 61 58 61 64 65 60
Dewpt                  65 65 64 63 62 60 58 60 60 60 60 60 60 59 57 53 48 46 45
RH                     74 67 76 93100100100 90 73 66 76 84 93 93 96 75 56 50 58
Wind Dir               SW SW  S  S  S  S  S  S SW  S  S  S  S  S SW  W NW  W  W
Wind Spd                8  8  5  5  3  4  5 10 12 11 10 11 13 14 13 11  8  5  4
Clouds                 B2 B1 SC SC B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B1 B1 B1
PoP 12hr                     20          30          40          70          90
QPF 12hr                   0.01        0.24        0.26        0.38        0.28
Rain shwrs              S  S  S  S  C  C  C  C  C  C  C  C  L  L  D  D  C  C  C
Tstms                   S  S                    S  S  S  S  S  S


Date          Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          48    63      39    63      48    61      51    61
Temp          53 49 60 55   46 40 57 58   52 49 58 58   54 52 59 55
Dewpt         45 46 42 38   35 35 41 44   44 46 51 53   54 51 49 47
PWind Dir         W     N      NE     S       S     S      SW    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    GN
Avg Clouds    B1 B2 B1 SC   FW FW FW FW   B1 B2 OV OV   OV OV OV B2
PoP 12hr         30    30      10     5      60    70      60    50
Rain shwrs     C  C  C  C                  S  L  L  L    L  L  C  C

$$

TNZ099-232100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
1032 AM EST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      79          60          75          60          67
Temp                   75 78 73 65 62 61 60 65 71 74 70 67 64 63 60 63 65 66 61
Dewpt                  60 59 60 60 60 60 60 61 61 61 61 61 61 60 58 55 52 50 49
RH                     60 52 64 84 93 97100 87 71 64 73 81 90 90 93 75 63 56 65
Wind Dir                S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  W  N  W SW
Wind Spd                8  8  6  5  5  6  6  9 11 11 10 11 12 12 12 10  8  5  4
Clouds                 B1 B1 SC B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B1 B1 B2
PoP 12hr                     10          50          40          70          90
QPF 12hr                      0        0.13        0.10        0.38        0.42
Rain shwrs                    C  C  C  C  C  C  C  C  C  C  L  L  D  L  C  C  C
Tstms                         S  S              S  S  S  S  S  S


Date          Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          49    64      41    65      50    62      53    63
Temp          54 50 61 57   47 42 59 60   54 51 59 59   56 54 61 57
Dewpt         49 47 43 40   37 37 42 42   46 48 50 55   56 54 49 46
PWind Dir         W     N       N    SE       S     S      SW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    GN
Avg Clouds    B2 B2 B1 SC   FW FW FW FW   B1 OV OV OV   OV OV OV B2
PoP 12hr         40    40       5     5      70    70      60    60
Rain shwrs     C  C  C  C                  C  L  L  L    L  L  L  L

$$

NCZ060-232100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
1032 AM EST Fri Feb 23 2018

Date             Fri 02/23/18            Sat 02/24/18            Sun 02/25/18
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      76          56          71          59          65
Temp                   72 75 70 58 57 57 58 62 68 70 67 64 62 61 59 61 64 64 60
Dewpt                  60 57 60 58 57 57 57 58 59 59 59 59 59 59 58 55 52 50 49
RH                     66 54 71100100100 96 87 73 68 75 84 90 93 96 81 65 60 67
Min/Max RH                   54         100          68          96          60
Wind Dir                S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW
Wind Dir Deg           18 18 16 16 17 17 17 18 18 17 16 17 18 18 19 19 19 21 23
Wind Spd                9  8  5  5  6  6  8 10 11 11 11 11 11 12 13 13 11  8  4
Clouds                 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2
Clouds (%)             59 66 59 59 78 82 73 75 78 81 89 89 95 95 93 93 71 71 81
Vsby                    0  0  0  0  0
PoP 12hr                     20          30          40          70          90
QPF 12hr                   0.01        0.07        0.11        0.17        0.65
Rain shwrs                 S  S  S  C  C  C  C  C  C  C  C  L  L  D  D  L  L  L
Tstms                                           S  S  S  S  S  S
Haines                        3                       4
LAL                     1     1     1     1     2     2     2     2     1     1
Max Mix Hgt                5600                    4400
AGL Mix Hgt                3900                    2700
Max Vent Rt               58400                   53000
T Wind Dir                    S                       S
T Wind Spd                   14                      19
ADI                          51                      46
Max LVORI                     4                       4
Stability               C     C     E     E     C     C     D     D     C     B
Ceiling              4000  4700  4000  3200  7200  4700  3200  3200 13800 14800
Sta Pres            28.26 28.20 28.15 28.07 28.03 27.97 27.91 27.86 27.96 27.95


Date          Mon 02/26/18  Tue 02/27/18  Wed 02/28/18  Thu 03/01/18
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          48    63      37    63      45    60      49    61
Temp          53 49 60 55   44 39 57 57   50 46 57 57   52 50 59 55
Dewpt         49 48 44 39   34 33 39 40   42 44 49 51   52 50 49 46
PWind Dir        SW     N      NE    SE      SE    SE       S     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    GN
Avg Clouds    B2 B2 B1 SC   FW FW FW FW   B1 B2 OV OV   OV OV OV B2
PoP 12hr         60    40      10     5      70    70      60    60
Rain shwrs     L  L  C  C                  S  L  L  L    L  L  L  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

$$




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