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

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FOUS54 KMRX 191740
PFMMRX

Point Forecast Matrices
National Weather Service Morristown TN
1240 PM EST Wed Feb 19 2020

TNZ017-192100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
1240 PM EST Wed Feb 19 2020

Date             Wed 02/19/20            Thu 02/20/20            Fri 02/21/20
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                      49          34          37          20          40
Temp                   45 49 41 38 36 35 35 35 35 34 35 32 27 23 20 26 36 40 33
Dewpt                  30 27 25 25 26 24 25 27 29 27 24 23 18 16 12 12 10 12 13
RH                     55 42 52 59 67 64 66 72 78 75 64 69 68 74 71 55 33 31 43
Wind Dir               NE NE  N NE NE NE NE  N  N  N  N  N  N  N  N  N  N  N  N
Wind Spd                5  5  4  4  4  3  2  3  5  8  8  8  6  8  4  6  5  5  3
Clouds                 SC FW SC B1 B2 OV OV OV OV OV B2 B1 SC SC FW FW CL CL CL
PoP 12hr                      0          30          70          20           0
QPF 12hr                      0           0        0.10           0           0
Rain                                                  S
Rain shwrs
Snow                                      C  L  L  C  S  S


Date          Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
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          22    50      29    52      39    53      40    58
Temp          25 23 47 40   31 30 50 44   39 39 50 49   45 40 55 51
Dewpt         13 14 18 23   24 24 28 33   37 39 46 43   42 40 42 41
PWind Dir         E    SW       S    SW       S     S       N    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    CL CL FW FW   FW SC SC B1   OV OV OV OV   B2 B2 B1 B1
PoP 12hr          0     0       5    10      70    80      40    20
Rain                                       C  L  D  D    C  C  S  S

$$

TNZ071-192100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
1240 PM EST Wed Feb 19 2020

Date             Wed 02/19/20            Thu 02/20/20            Fri 02/21/20
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                      51          38          38          23          41
Temp                   47 49 45 44 42 38 38 35 35 37 38 35 30 26 23 28 36 41 35
Dewpt                  35 33 31 30 30 30 30 30 32 31 28 27 22 20 16 17 17 18 18
RH                     63 54 58 57 62 73 73 82 89 79 67 72 72 78 74 63 45 39 49
Wind Dir               NE NE NE NE NE NE NE  N  N  N  N NE  N  N NE NE NE NE  E
Wind Spd               12 10  6  5  5  4  4  6  6  9  9  8  6  8  6  9  5  6  4
Clouds                 B2 B1 B1 B2 OV OV OV OV OV OV B2 B1 SC SC FW FW CL CL CL
PoP 12hr                      0          60          80          20           0
QPF 12hr                      0        0.02        0.20           0           0
Rain                                   C  L        C  S
Rain shwrs
Snow                                   C  L  L  D  C


Date          Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
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          25    52      32    52      41    56      43    59
Temp          28 25 48 43   34 33 49 44   41 41 53 53   48 43 56 53
Dewpt         19 20 25 26   27 28 33 36   39 40 47 45   45 42 44 43
PWind Dir         E     S       S     S       S    SW      NW    NE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    CL CL FW FW   FW SC B1 B2   OV OV OV OV   B2 B2 B1 SC
PoP 12hr          0     0      10    20      80    80      40    20
Rain                                  S    C  D  D  D    C  C  S  S

$$

TNZ036-192100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
1240 PM EST Wed Feb 19 2020

Date             Wed 02/19/20            Thu 02/20/20            Fri 02/21/20
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                      52          37          39          23          42
Temp                   50 52 47 43 42 39 37 36 36 37 38 34 29 25 23 28 37 42 35
Dewpt                  32 30 28 27 28 28 28 28 31 28 26 24 19 17 15 14 14 15 17
RH                     50 43 47 53 57 64 70 72 82 70 62 66 66 71 71 55 38 33 47
Wind Dir               NE NE NE NE NE NE NE NE  N  N  N  N  N  N  N NE NE NE NE
Wind Spd                8  6  4  4  4  3  3  5  6  8  6  6  8  8  5  8  5  5  4
Clouds                 SC SC SC B1 OV OV OV OV OV OV B2 B1 SC FW FW CL CL CL CL
PoP 12hr                      0          40          70          10           0
QPF 12hr                      0           0        0.14           0           0
Rain                                   S  C  L  L  C
Rain shwrs
Snow                                      C  L  L  C


Date          Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
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          25    52      32    52      40    55      43    60
Temp          28 25 48 41   33 32 49 45   42 41 52 51   48 43 56 53
Dewpt         17 19 24 25   27 27 32 36   39 40 47 45   44 41 44 43
PWind Dir        NE     S       S     S       S    SW      NW    NE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    CL CL FW FW   FW SC B1 B2   OV OV OV OV   B2 B2 B1 SC
PoP 12hr          0     0      10    20      80    80      40    20
Rain                                  S    C  D  D  D    C  C  S  S

$$

TNZ099-192100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
1240 PM EST Wed Feb 19 2020

Date             Wed 02/19/20            Thu 02/20/20            Fri 02/21/20
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                      52          39          41          26          45
Temp                   51 52 50 47 45 42 39 37 37 39 40 37 33 29 26 31 40 45 39
Dewpt                  38 37 36 35 35 35 34 34 34 34 30 28 24 22 19 19 18 19 20
RH                     61 56 58 63 68 76 82 89 89 82 67 70 69 75 74 61 41 35 46
Wind Dir                N NE  N  N  N  N  N  N  N  N  N  N  N  N  N NE  N  N  N
Wind Spd               13 11  9  8  5  6  8  6  8 10 12 10 11  9 11 10 10  8  8
Clouds                 B2 B2 B2 OV OV OV OV OV OV OV B2 SC FW FW FW FW CL CL CL
PoP 12hr                      5          70          80          10           0
QPF 12hr                      0        0.04        0.31           0           0
Rain                                S  C  D  D  L  C
Rain shwrs
Snow                                         D  L


Date          Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
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          26    54      35    51      42    59      44    61
Temp          30 27 50 45   36 36 49 44   42 44 56 56   48 44 57 54
Dewpt         21 21 25 28   29 30 35 38   42 44 50 48   45 43 45 46
PWind Dir        NE     S       S     S       S    SW       W    NE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    CL CL FW FW   SC B1 B2 OV   OV OV OV B2   B2 B1 B1 B1
PoP 12hr          0     0      10    30      80    70      30    20
Rain                               S  C    L  D  L  L    C  C  S  S
Snow                               S

$$

NCZ060-192100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
1240 PM EST Wed Feb 19 2020

Date             Wed 02/19/20            Thu 02/20/20            Fri 02/21/20
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                      53          37          39          22          44
Temp                   52 53 49 45 43 41 38 36 37 37 39 34 29 25 22 29 41 43 35
Dewpt                  43 41 40 39 34 32 33 33 34 33 29 27 23 21 19 18 18 19 20
RH                     71 64 71 79 70 70 82 89 89 85 67 75 78 84 88 63 39 38 54
Min/Max RH                   64          85          67          89          36
Wind Dir               NW NW  N  E  E SE NE NE NW NW  N  N  N  N  N  N  N  N  N
Wind Dir Deg           31 31  0  7  9 12  5  5 32 32  0 34  0  0  2  1  0 33  1
Wind Spd                4  5  3  4  2  2  1  2  3  5  8  5  6  6  6  6  5  5  5
Clouds                 OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC FW FW FW FW CL
Clouds (%)             88 89 92 94 95 98 99 99 97 97 81 64 45 28 22 11  6  6  5
Vsby                   10 10 10 10 10 10 10
PoP 12hr                     20          70          80          20           0
QPF 12hr                      0        0.03        0.34           0           0
Rain                       S  S        C  D  D  D  C  S
Rain shwrs
Snow                                      D  D  D  C     S
Winter Weath                           Y  Y  Y  Y  Y  Y
Haines                        2                       2
LAL                     1     1     1     1     1     1     1     1     1     1
Max Mix Hgt                4200                    3800
AGL Mix Hgt                2500                    2100
Max Vent Rt               11500                   19000
T Wind Dir                   NE                      NE
T Wind Spd                    4                       9
ADI                          10                      16
Max LVORI                     6                       5
Stability               B     B     D     D     D     C     F     F     B     B
Ceiling              3200  3200  4700     0     0     0     0     0     0     0
Sta Pres            28.12 28.11 28.13 28.10 28.11 28.08 28.12 28.16 28.22 28.21


Date          Sat 02/22/20  Sun 02/23/20  Mon 02/24/20  Tue 02/25/20
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          23    54      30    52      39    55      42    62
Temp          28 24 50 42   32 31 51 46   39 39 51 52   46 42 60 53
Dewpt         20 21 25 28   26 27 32 36   39 39 48 46   45 41 45 44
PWind Dir         E    SW       S     S      SE     S       N    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    CL FW FW FW   FW SC B1 B2   OV OV OV B2   B2 B2 B1 SC
PoP 12hr          0     0      10    20      80    80      40    20
Rain                                  S    C  D  D  D    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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