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

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FOUS54 KMRX 202334
PFMMRX

Point Forecast Matrices
National Weather Service Morristown TN
634 PM EST Wed Feb 20 2019

TNZ017-210900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
634 PM EST Wed Feb 20 2019

Date           02/20/19      Thu 02/21/19            Fri 02/22/19            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      48          58          44          51          45
Temp             57 55 53 51 48 48 52 58 54 50 48 46 44 47 49 51 49 48 47 46 46
Dewpt            50 51 51 50 48 48 48 47 45 42 42 42 42 43 45 46 45 45 44 45 46
RH               77 86 93 96100100 86 67 71 74 80 86 93 86 86 83 86 89 89 96100
Wind Dir          S  W SW SW SW  W SW  N NE NE NE NE NE NE  E SE SE SE SE SE SE
Wind Spd          5  4  2  3  3  1  1  3  3  4  4  4  9  8  8  6  6  3  5  5  5
Clouds           OV OV OV OV OV OV B2 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     80          30          60          80          90
QPF 12hr                   0.46        0.02        0.08        0.66        0.18
Rain              L  D  D  L  C  C  C  C
Rain shwrs                                S  S  L  L  D  D  D  D  D  D  D  D  L
Tstms             S


Date           02/23  Sun 02/24/19  Mon 02/25/19  Tue 02/26/19  Wed 02/27/19
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          63      47    58      30    51      32    56      36    52
Temp          59 63   60 52 55 49   38 31 46 45   37 33 50 50   42 37 48 45
Dewpt         53 53   56 45 38 30   27 24 25 26   26 26 34 35   37 35 36 32
PWind Dir         S       S     W       W    NW       E     S      SW    NW
Wind Char        GN      GN    BZ      GN    LT      LT    LT      LT    LT
Avg Clouds    OV OV   OV OV B1 SC   FW FW FW FW   SC SC SC SC   B1 B1 B2 B2
PoP 12hr         60      70    30       5     5      10    10      20    30
Rain                                                             S  S  C  C
Rain shwrs     L  C    L  L  C

$$

TNZ071-210900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
634 PM EST Wed Feb 20 2019

Date           02/20/19      Thu 02/21/19            Fri 02/22/19            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      48          56          46          53          49
Temp             53 53 54 52 48 49 53 56 53 50 49 48 46 49 51 53 52 51 50 50 50
Dewpt            53 53 51 50 47 46 46 47 46 45 45 45 44 46 49 48 49 51 50 50 49
RH              100100 90 93 96 89 77 72 77 83 86 89 93 89 93 83 89100100100 96
Wind Dir         SW SW  W NW  E  N NE NE  N NE NE NE NE  N  N  E NE  E SE SW  S
Wind Spd          8  8  6  4  0  4  4  3  4  4  6  8  6  8  5  5  4  2  1  1  1
Clouds           OV OV OV OV OV OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     80          40          70          90          80
QPF 12hr                   0.47        0.10        0.20        0.67        0.19
Rain              L  D  L  L  C  C  C  C
Rain shwrs                                C  C  L  L  D  D  D  D  D  D  L  L  L
Tstms             C
Flood             A  A  A  A


Date           02/23  Sun 02/24/19  Mon 02/25/19  Tue 02/26/19  Wed 02/27/19
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          68      48    59      33    55      36    57      39    54
Temp          64 67   63 53 56 51   40 34 50 49   41 37 52 51   44 40 51 48
Dewpt         58 58   59 44 38 31   30 28 28 29   31 29 39 39   40 37 40 35
PWind Dir         S      SW     W      NW    NE      NE     S       W    NW
Wind Char        GN      BZ    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   OV OV SC FW   FW FW FW FW   FW SC SC SC   B1 B1 B1 B2
PoP 12hr         60      80    20       5     5      10    10      20    40
Rain                                                             S  S  C  C
Rain shwrs     L  C    D  D  S

$$

TNZ036-210900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
634 PM EST Wed Feb 20 2019

Date           02/20/19      Thu 02/21/19            Fri 02/22/19            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      47          58          46          53          50
Temp             50 53 56 51 48 48 54 58 54 51 49 48 46 49 51 53 52 51 51 51 51
Dewpt            50 51 50 49 46 44 45 45 44 42 43 43 43 45 48 48 49 49 50 49 50
RH              100 93 80 93 93 86 71 62 69 71 80 83 89 86 89 83 89 93 96 93 96
Wind Dir         SW SW  W  W NE  N  N NE  N  N NE NE NE NE NE  E NE  E NW  W SW
Wind Spd          9  9  6  2  1  5  4  4  5  4  6  8  9  9  5  5  4  3  1  1  2
Clouds           OV OV OV OV OV B2 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     80          30          70          90          80
QPF 12hr                   0.30        0.02        0.21        0.80        0.25
Rain              L  D  C  C  C  C  C  C
Rain shwrs                                C  C  L  L  D  D  D  D  D  D  D  D  L
Tstms             C
Flood             A  A  A  A


Date           02/23  Sun 02/24/19  Mon 02/25/19  Tue 02/26/19  Wed 02/27/19
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          66      48    58      33    55      36    57      39    55
Temp          62 65   62 50 56 50   40 34 50 49   41 37 52 51   44 40 51 48
Dewpt         57 59   60 43 37 30   30 28 27 29   31 30 39 39   40 37 39 35
PWind Dir        SW      SW     W      NW     N      NE     S       W    NW
Wind Char        LT      GN    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   OV OV SC FW   FW FW FW FW   FW SC SC SC   B1 B1 B1 B2
PoP 12hr         70      90    20       5     5      10    10      20    40
Rain                                                             S  S  C  C
Rain shwrs     L  C    D  D  S

$$

TNZ099-210900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
634 PM EST Wed Feb 20 2019

Date           02/20/19      Thu 02/21/19            Fri 02/22/19            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      48          56          48          56          51
Temp             48 51 55 53 48 51 54 56 53 52 50 49 48 51 54 56 54 53 52 52 52
Dewpt            48 49 48 48 47 46 47 47 48 47 47 46 46 48 50 49 51 51 50 49 50
RH              100 93 77 83 96 83 77 72 83 83 89 89 93 89 86 77 90 93 93 89 93
Wind Dir          S  S NW NW  N  N NE NE  N NE NE NE  N NE NE NE NE  S  S  S  S
Wind Spd          8  5  2  2  2  3  5  4  5  8  6  4  1  1  3  3  1  2  6  6  6
Clouds           OV OV OV OV OV OV OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     80          60          70          80          70
QPF 12hr                   0.36        0.13        0.24        0.40        0.17
Rain              L  D  L  C  L  L  L  L
Rain shwrs                                C  C  L  L  D  D  D  D  L  L  L  L  C
Tstms             L
Flood             A  A  A  A


Date           02/23  Sun 02/24/19  Mon 02/25/19  Tue 02/26/19  Wed 02/27/19
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          65      50    60      36    57      39    58      41    56
Temp          62 65   63 52 58 52   43 37 52 51   44 40 54 53   46 42 53 50
Dewpt         55 58   60 42 37 32   31 29 29 31   33 33 39 41   41 38 39 35
PWind Dir         S      SW     W      NW    NE       E    SE      SW     N
Wind Char        GN      GN    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   OV OV SC FW   FW FW FW FW   SC B1 B1 B1   B2 B2 B1 B2
PoP 12hr         50      80    20       5     5      10    20      30    30
Rain                                                     S  S    C  C  C  C
Rain shwrs     C  C    D  D  S

$$

NCZ060-210900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
634 PM EST Wed Feb 20 2019

Date           02/20/19      Thu 02/21/19            Fri 02/22/19            Sat
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      50          59          50          61          50
Temp             54 55 56 51 50 50 57 59 56 54 53 52 51 54 58 60 57 55 53 52 51
Dewpt            50 50 50 51 50 50 53 53 52 51 52 52 51 53 56 54 53 51 49 48 49
RH               86 83 80100100100 86 80 86 90 96100100 96 93 81 86 86 86 86 93
Max/Min RH                  100          80         100          80          93
Wind Dir         SE SE NE  E NE  E  W  N NE  N  E SE SE SE SE SE SE SE SE SE SE
Wind Dir Deg     14 14  3  9  4  7 28 33  6  2  8 12 14 14 15 13 13 13 13 13 14
Wind Spd          6  6  2  2  2  1  2  1  2  2  2  2  6  8  6  5  6  8  8  8 10
Clouds           OV OV OV OV OV OV OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV
Clouds (%)       97 99 96 95 99 99 94 85 83 89 94 89 97 93 94 92 95 91 94 88 90
Vsby              3  3  2  2  2  2  5
PoP 12hr                     80          70          70          80          70
QPF 12hr                   0.89        0.21        0.20        0.47        0.15
Rain              L  D  D  L  L  L  L  L
Rain shwrs                                C  C  L  L  D  D  D  D  L  L  L  L  C
Tstms             L
Haines                                    2                       3
LAL               4     4     1     1     1     1     1     1     1     1     1
Max Mix Hgt                            3400                    3100
AGL Mix Hgt                            1800                    1400
Max Vent Rt                            4000                   16600
T Wind Dir                               NW                      SE
T Wind Spd                                2                      11
ADI                                       4                      14
Max LVORI                                 9                       5
Stability         D     D     D     B     B     D     D     C     D     D     D
Ceiling        2400  1700  1700  1700  1700  4000  2400  1700  2400  4700  3200
Sta Pres      27.93 27.93 27.94 28.03 28.05 28.08 28.08 28.13 28.11 28.10 28.07


Date           02/23  Sun 02/24/19  Mon 02/25/19  Tue 02/26/19  Wed 02/27/19
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          64      48    59      30    58      36    56      38    56
Temp          61 64   61 53 56 50   38 32 52 51   42 37 51 50   43 39 52 49
Dewpt         55 56   59 44 38 32   29 26 28 31   31 30 38 40   41 37 40 35
PWind Dir        SE       S     W      NW     N       E    SE       W    NW
Wind Char        GN      GN    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   OV OV B1 FW   FW FW FW FW   FW SC B1 B1   B1 B2 B1 B2
PoP 12hr         40      80    20       5     5      10    20      40    30
Rain                                                     S  S    C  C  C  C
Rain shwrs     C  C    D  D  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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