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

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Point Forecast Matrices
National Weather Service Morristown TN
304 PM EST Thu Feb 23 2017

TNZ017-240900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
304 PM EST Thu Feb 23 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            Sun
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          76          50          56          26
Temp          72 61 55 51 49 49 60 72 76 68 61 57 54 50 52 55 54 46 39 34 31 28
Dewpt         51 53 50 47 47 47 52 51 51 50 51 49 49 47 42 32 28 23 24 21 20 18
RH            48 75 83 86 93 93 75 48 42 52 70 75 83 89 69 41 36 40 54 58 63 66
Wind Dir       S SE SE SE SE SE  S  S  S  S  S  S SW  W  W  W  W  W  W  W  W  W
Wind Spd       1  3  6  5  5  5  8 11 12  8  8  9  9  9 14 17 18 13 10  9  5  4
Clouds        B1 B1 SC SC SC B1 SC SC SC SC B1 B2 OV OV B2 B1 B1 B1 SC SC FW FW
PoP 12hr                     10           5          70          50          10
QPF 12hr                      0           0        0.12        0.03           0
Rain shwrs                                      L  L  C  C  C  C
Tstms                                           L  L
Obvis                  PF PF PF


Date           02/26  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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          51      31    56      44    68      52    66      37    51
Temp          45 45   37 33 50 52   47 45 62 64   56 53 63 58   45 38 48 46
Dewpt         17 20   25 26 34 40   42 42 51 50   50 50 50 47   37 32 26 25
PWind Dir        SW      SE     S       S    SW       S    SW       W     W
Wind Char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg Clouds    FW FW   FW B1 B2 B2   B2 B2 B2 B1   B2 B2 OV B2   B2 B1 SC SC
PoP 12hr          0       5    40      40    40      30    60      50    10
Rain shwrs                   C  C    C  C  C  C    C  C  L  L    C  C
Tstms                                                    L  L

$$

TNZ071-240900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
304 PM EST Thu Feb 23 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            Sun
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                      53          77          51          55          30
Temp          74 68 61 57 56 53 64 73 77 69 62 58 55 51 53 54 54 47 41 37 34 31
Dewpt         56 55 53 50 49 51 56 54 53 52 53 52 50 45 38 31 28 24 23 22 23 22
RH            53 63 75 77 77 93 75 51 43 55 72 80 83 80 57 41 36 40 48 54 64 69
Wind Dir      NW  E  S  S  S SE  S  S  S  S  S  S SW  W  W  W  W  W  W NW  N NE
Wind Spd       2  2  3  4  4  4 11 13 13 10 11 13 12 10 13 14 12 10  6  5  3  2
Clouds        B1 B1 SC B1 SC B1 SC SC SC B1 B1 OV OV B2 B1 SC SC SC FW FW FW FW
PoP 12hr                      5           5          70          20           5
QPF 12hr                      0           0        0.25        0.01           0
Rain shwrs                                C  C  L  L  S  S
Tstms                                     C  C  L  L
Obvis                  PF PF PF


Date           02/26  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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          54      35    59      49    69      57    68      41    55
Temp          48 48   40 36 53 56   52 50 64 66   60 58 66 60   49 42 52 49
Dewpt         21 24   27 29 40 45   45 46 56 54   53 54 53 50   38 34 29 29
PWind Dir         S       S     S       S    SW       S    SW       W    NW
Wind Char        LT      LT    LT      LT    LT      GN    GN      GN    LT
Avg Clouds    FW FW   SC B1 B2 B2   B2 B2 B2 B2   B2 B2 OV OV   OV B1 SC FW
PoP 12hr          0       5    50      40    40      40    60      50    10
Rain shwrs                   C  C    C  C  C  C    C  C  L  L    C  C
Tstms                                                    L  L

$$

TNZ036-240900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
304 PM EST Thu Feb 23 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            Sun
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                      53          77          49          55          29
Temp          74 67 61 57 55 53 63 73 77 68 61 57 54 49 51 54 53 47 40 36 33 31
Dewpt         54 54 52 50 50 51 53 53 50 51 54 53 49 43 35 29 24 22 23 22 22 21
RH            50 63 72 77 83 93 70 49 39 54 78 86 83 80 54 38 32 37 50 56 63 66
Wind Dir      SW SE SE  S  S SE  S  S  S  S  S SW  W  W  W  W  W  W NW NW NW NE
Wind Spd       3  2  2  3  2  2  6 14 13  8  8 10  9  8 10 11 10  8  5  4  3  2
Clouds        B1 B1 SC SC SC B1 B1 B1 B1 B1 B2 OV OV B1 B1 SC B1 FW FW FW FW FW
PoP 12hr                     10           5          70          20           5
QPF 12hr                      0           0        0.29        0.01           0
Rain shwrs                                L  L  L  L  S  S
Tstms                                     L  L  L  L


Date           02/26  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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          54      37    57      47    68      55    67      40    55
Temp          48 49   42 38 52 54   50 48 63 64   59 56 65 59   48 41 52 49
Dewpt         21 23   27 31 40 45   45 46 55 52   54 54 52 47   37 33 28 28
PWind Dir        SE       S     S       S    SW      SW    SW       W    NW
Wind Char        LT      LT    LT      LT    LT      GN    GN      LT    LT
Avg Clouds    FW FW   SC B1 B2 B2   B2 B2 B2 B2   B2 B2 OV B2   OV B1 SC FW
PoP 12hr          0      10    50      40    40      40    60      40    10
Rain shwrs                   C  C    C  C  C  C    C  C  L  L    C  C
Tstms                                                    L  L

$$

TNZ099-240900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
304 PM EST Thu Feb 23 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            Sun
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                      55          78          49          56          31
Temp          75 69 62 58 57 55 64 75 78 69 62 57 54 49 52 54 55 48 42 38 35 33
Dewpt         52 52 52 52 51 52 54 53 54 54 55 55 48 43 34 28 25 23 24 25 23 24
RH            45 55 70 80 80 90 70 46 43 59 78 93 80 80 50 36 31 37 48 59 61 69
Wind Dir       S  S  S  S  S  S  S  S  S  S  S SW  W  W  W  W NW NW NW  N  N  N
Wind Spd       8  5  6  8  6  6 10 13 13 10  8 10 11  9 11 11 13 10  8  6  4  3
Clouds        SC B1 B1 B1 SC B2 B1 B1 B1 B1 B2 OV B2 SC SC FW SC FW FW FW FW CL
PoP 12hr                     10          10          70          20           5
QPF 12hr                      0           0        0.18        0.01           0
Rain shwrs                                C  C  L  C  S  S
Tstms                                     C  C  L  C
Obvis                  PF PF PF


Date           02/26  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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          57      40    61      52    69      58    69      42    57
Temp          51 52   45 41 56 58   55 53 65 66   61 59 67 61   50 43 54 51
Dewpt         20 25   30 34 43 48   49 51 55 55   57 59 54 52   40 35 28 32
PWind Dir         E       S     S       S     S       S    SW      NW    NW
Wind Char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg Clouds    CL FW   SC B1 B2 B2   B2 B2 B2 B2   B2 OV OV B2   B2 B1 SC SC
PoP 12hr          0      10    50      50    50      50    60      30    10
Rain shwrs                   C  C    C  C  C  C    C  C  L  L    C  C
Tstms                                                    L  L

$$

NCZ060-240900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
304 PM EST Thu Feb 23 2017

Date           02/23/17      Fri 02/24/17            Sat 02/25/17            Sun
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                      51          75          50          56          27
Temp          72 64 55 51 51 51 61 72 75 67 61 57 54 50 52 55 54 47 40 35 32 29
Dewpt         53 52 50 48 47 50 53 51 54 52 54 54 53 48 39 30 27 21 22 22 22 21
RH            51 65 83 89 86 96 75 48 48 59 78 90 96 93 61 38 35 35 48 59 66 72
Max/Min RH                   96          46          96          33          72
Wind Dir       S SE SE SE SE SE  S  S  S  S  S  S  W  W  W  W  W NW NW NW  N  N
Wind Dir Deg  17 15 14 14 14 14 17 17 18 17 18 18 25 28 28 27 28 30 31 32 33 34
Wind Spd       8  5  6  8  8  8 10 12 13  8  6  8  9  8  9 12 13 11  9  6  5  3
Clouds        SC B1 B1 B1 B1 B1 B1 B1 B1 SC B2 B2 OV B2 B1 FW FW FW FW FW FW CL
Clouds (%)    43 53 57 61 62 69 66 56 69 46 71 87 95 75 58 23 24  9 13 11 13  4
Vsby          10 10 10 10  3  1 10 10
PoP 12hr                     10          10          70          20           5
QPF 12hr                      0           0        0.15        0.01           0
Rain shwrs                                S  S  L  L  S  S
Tstms                                     S  S  L  L
Obvis                  PF PF PF
Haines                                    3                       4
LAL               1     1     1     1     2     4     4     1     1     1     1
Max Mix Hgt                            6700                    5000
AGL Mix Hgt                            5000                    3300
Max Vent Rt                          108600                   64100
T Wind Dir                                S                       W
T Wind Spd                               21                      19
ADI                                      94                      56
Max LVORI                                 4                       4
Stability         C     E     E     C     B     D     E     C     C     F     G
Ceiling       23500 23500  4000  NONE  4000  3200  3200 23500  4000  NONE  NONE
Sta Pres      27.78 27.79 27.79 27.78 27.71 27.67 27.72 27.78 27.87 27.96 28.01


Date           02/26  Mon 02/27/17  Tue 02/28/17  Wed 03/01/17  Thu 03/02/17
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          57      35    59      48    67      53    66      38    53
Temp          50 50   41 36 53 55   51 49 63 63   57 54 64 58   46 39 50 47
Dewpt         16 23   27 31 38 46   46 47 53 53   53 54 52 50   39 33 27 27
PWind Dir         W      SE    SE      SE     S       S    SW      NW    NW
Wind Char        LT      LT    LT      LT    LT      LT    GN      GN    LT
Avg Clouds    CL FW   FW B1 B2 B2   B2 B2 B2 B2   B2 B2 OV OV   OV B1 SC FW
PoP 12hr          0       5    50      50    50      40    60      50    20
Rain shwrs                   C  C    C  C  C  C    C  C  L  L    C  C  S  S
Tstms                                                    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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