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

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Point Forecast Matrices
National Weather Service Morristown TN
311 PM EST Mon Jan 30 2023

TNZ017-310900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
311 PM EST Mon Jan 30 2023

Date           01/30/23      Tue 01/31/23            Wed 02/01/23            Thu
EST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11

Min/Max                      43          49          35          44          36
Temp             51 47 46 44 43 43 43 44 47 43 41 39 37 38 40 43 42 40 38 38 38
Dewpt            47 46 45 44 43 43 42 43 42 41 39 37 35 36 37 37 37 36 35 36 37
RH               86 96 96100100100 96 96 83 93 92 92 92 92 89 79 82 85 89 92 96
Wind Dir         SW  W  W SW  W  N  N NW NW NW  N  N  N  N  N  N  N NE NE  N NE
Wind Spd          3  2  2  2  2  3  4  4  3  4  4  4  4  4  4  3  3  3  2  1  2
Clouds           B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     20          90          60          60          50
QPF 12hr                   0.01        0.05        0.18        0.03        0.06
Rain                          C  D  C  C  S
Rain shwrs                                   L  L  L  L  C  C  C  C  S  S  C  C
Obvis                  PF PF PF                PF


Date           02/02/23  Fri 02/03/23  Sat 02/04/23  Sun 02/05/23  Mon 02/06/23
EST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     17 23 05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23

Max/Min          47      29    42      22    48      28    48      32    50
Temp          43 45 39   31 37 36 25   22 38 41 31   29 42 44 37   33 43 45
Dewpt         42 41 36   28 24 18 14   11 16 22 20   21 31 35 34   31 32 31
PWind Dir         W      NW     N       N     E      SE    SW       W    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV OV   B2 B1 FW FW   FW FW FW SC   B2 OV B2 B2   B2 B1 SC
PoP 12hr         70      70    10      10     5       5    20      20     5
Rain shwrs     L  L  S                                   S  S
Snowshwrs                                                S

$$

TNZ071-310900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
311 PM EST Mon Jan 30 2023

Date           01/30/23      Tue 01/31/23            Wed 02/01/23            Thu
EST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11

Min/Max                      43          48          37          45          39
Temp             54 49 48 47 45 43 42 46 45 43 41 39 38 39 41 44 44 42 40 39 39
Dewpt            49 48 47 47 45 43 42 43 43 41 40 38 37 38 39 40 40 39 38 38 39
RH               83 96 96100100100100 89 93 93 96 96 96 96 92 86 86 89 92 96100
Wind Dir          W NW  N  N  N  N  N  N  N  N  N  N  N  N  N  N NE NE  N  N  N
Wind Spd          2  2  2  1  2  4  4  5  4  4  5  5  5  5  4  4  4  3  2  2  3
Clouds           B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     30          70          70          60          60
QPF 12hr                      0        0.11        0.26        0.04        0.16
Rain                          C  L  C  C  S
Rain shwrs                                   L  L  L  L  C  C  C  C  C  C  L  L
Obvis               PF PF PF PF


Date           02/02/23  Fri 02/03/23  Sat 02/04/23  Sun 02/05/23  Mon 02/06/23
EST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     17 23 05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23

Max/Min          47      31    45      25    49      33    50      32    52
Temp          43 46 41   33 40 41 30   26 40 44 36   34 44 47 39   34 45 47
Dewpt         42 43 39   31 28 25 21   18 25 31 29   28 36 39 37   33 35 35
PWind Dir         N       N     N      NE    NE       S    SW       W     N
Wind Char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV OV   B2 B1 FW FW   FW FW SC SC   B2 OV OV B2   B2 B1 FW
PoP 12hr         80      80    10      10     5       5    20      20     0
Rain shwrs     D  D  C                                   S  S

$$

TNZ036-310900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
311 PM EST Mon Jan 30 2023

Date           01/30/23      Tue 01/31/23            Wed 02/01/23            Thu
EST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11

Min/Max                      41          48          35          45          37
Temp             53 48 47 45 43 41 40 45 44 43 39 38 37 38 42 44 43 40 38 38 38
Dewpt            48 47 46 45 43 41 40 41 40 39 38 36 35 36 37 37 37 36 36 37 38
RH               83 96 96100100100100 86 86 86 96 92 92 92 82 76 79 85 92 96100
Wind Dir         SW NW NE NE  N NE NE NE  N  N  N NE NE NE NE NE NE NE  N  N  N
Wind Spd          2  2  2  2  3  5  4  4  3  4  4  4  4  4  4  4  3  3  2  2  3
Clouds           B2 OV B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV OV OV
PoP 12hr                     40          70          60          60          60
QPF 12hr                   0.01        0.09        0.20        0.03        0.13
Rain                       S  C  L  C  S  S
Rain shwrs                                   L  L  L  L  C  C  C  C  C  C  L  L
Obvis               PF PF PF PF                PF


Date           02/02/23  Fri 02/03/23  Sat 02/04/23  Sun 02/05/23  Mon 02/06/23
EST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     17 23 05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23

Max/Min          47      29    45      25    48      33    49      32    52
Temp          43 45 38   31 40 40 29   25 40 43 35   34 44 46 38   33 45 47
Dewpt         41 41 35   29 26 22 18   17 22 29 27   27 36 38 35   32 34 34
PWind Dir         N       N     N      NE     E       S    SW       W    NE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV OV   B2 B1 FW CL   FW FW SC SC   B2 OV B2 B2   B2 B1 FW
PoP 12hr         80      70    10      10     5       5    10      10     5
Rain shwrs     D  L  S

$$

TNZ099-310900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
311 PM EST Mon Jan 30 2023

Date           01/30/23      Tue 01/31/23            Wed 02/01/23            Thu
EST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11

Min/Max                      48          53          40          50          41
Temp             57 53 52 50 49 50 50 51 50 48 45 43 41 42 46 49 48 45 43 42 42
Dewpt            51 51 50 50 49 49 48 46 46 45 43 41 41 41 41 42 43 42 42 42 42
RH               80 93 93100100 96 93 83 86 89 93 93100 96 83 77 83 89 96100100
Wind Dir         NE  N  N  N  N  N NE  N  N  N  N  N  N  N  N  N NE NE  N NE  N
Wind Spd          3  2  2  2  2  3  5  5  5  5  5  5  5  5  5  5  4  4  3  3  3
Clouds           B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     20          60          50          50          70
QPF 12hr                      0        0.05        0.17        0.02        0.20
Rain                          C  L  C  S  S
Rain shwrs                                   C  C  C  C  C  C  C  C  C  C  L  L
Obvis               PF PF PF PF


Date           02/02/23  Fri 02/03/23  Sat 02/04/23  Sun 02/05/23  Mon 02/06/23
EST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     17 23 05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23

Max/Min          50      34    50      28    52      36    51      34    56
Temp          46 48 43   36 44 45 34   29 43 48 39   36 45 48 40   36 48 51
Dewpt         44 45 41   33 29 27 23   22 28 31 29   29 36 40 37   34 36 37
PWind Dir         N       N     N       N     E       S     S      NW    NE
Wind Char        LT      LT    GN      GN    LT      GN    LT      LT    LT
Avg Clouds    OV OV OV   B2 SC FW FW   FW SC SC B1   OV OV B2 B1   B1 SC FW
PoP 12hr         90      90    20      10     5       5    10      10     0
Rain shwrs     D  D  C    S  S

$$

NCZ060-310900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
311 PM EST Mon Jan 30 2023

Date           01/30/23      Tue 01/31/23            Wed 02/01/23            Thu
EST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
UTC 3hrly     20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11

Min/Max                      45          54          41          51          41
Temp             55 49 47 46 45 46 51 54 51 48 46 44 42 44 48 50 49 45 44 43 44
Dewpt            54 48 47 46 45 46 51 50 48 47 45 44 42 43 45 45 44 43 44 43 44
RH               96 96100100100100100 86 89 96 96100100 96 89 83 83 93100100100
Max/Min RH                  100          83         100          80         100
Wind Dir         NW NW  N  N  N  W NW NW NW NW NW NW NW NW NW NW NW NW  E  E  E
Wind Dir Deg     29 29  0  0  0 27 29 29 30 29 29 29 29 30 30 29 30 29  8 11  9
Wind Spd          3  1  0  0  0  1  2  3  4  3  4  3  3  3  3  4  3  1  1  1  1
Clouds           B1 B2 OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
Clouds (%)       62 78 90 86 92 97 95 96 96 92 94 95 95 96 93 88 90 93 95 95 96
Vsby             10  6  1  1  1  1  3  5  9
PoP 12hr                      5          60          50          50          70
QPF 12hr                      0        0.04        0.09        0.03        0.24
Rain                          S  L  C  S  C
Rain shwrs                                   C  C  C  C  C  C  C  C  C  C  L  L
Obvis                  PF PF PF                PF
Haines                                    3                       3
LAL               1     1     1     1     1     1     1     1     1     1     1
Max Mix Hgt
AGL Mix Hgt                            1100                     100
Max Vent Rt                            6200                       0
T Wind Dir                                W                       N
T Wind Spd                                4                       0
ADI                                       5                       0
Max LVORI                                10                      10
Stability         B     D     D     D     D     D     D     B     B     D     D
Ceiling       25000 25000 25000 25000 25000 25000 25000 25000 25000 25000 25000
Sta Pres       0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00


Date           02/02/23  Fri 02/03/23  Sat 02/04/23  Sun 02/05/23  Mon 02/06/23
EST 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     17 23 05   11 17 23 05   11 17 23 05   11 17 23 05   11 17 23

Max/Min          51      34    48      25    49      31    48      32    55
Temp          48 49 43   36 43 42 30   26 42 44 34   32 43 46 38   33 46 49
Dewpt         48 46 42   34 31 26 23   22 28 26 23   26 37 39 36   33 34 35
PWind Dir        NE      NW     N       N    SE      SE     S      NW    NW
Wind Char        LT      LT    GN      LT    LT      GN    LT      LT    LT
Avg Clouds    OV OV OV   OV B1 FW FW   FW FW FW SC   OV OV B2 B2   B1 SC FW
PoP 12hr         90      90    30      20     5       5    20      10     5
Rain shwrs     D  D  C    C  S  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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