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

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Point Forecast Matrices
National Weather Service Morristown TN
327 AM EDT Tue May 23 2017

TNZ017-232100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
327 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      71          57          71          54          66
Temp          61 60 66 70 70 68 63 60 59 59 65 69 70 67 61 58 56 55 61 65 65 63
Dewpt         57 60 61 61 63 63 55 56 56 58 58 58 57 58 56 54 51 52 53 52 53 50
RH            87100 84 73 78 84 75 87 90 96 78 68 63 73 84 86 83 90 75 63 65 62
Wind Dir       S  E  E  E NE NE NE  E  S SE SE SE SE  S  W  W SW  W SW SW SW  W
Wind Spd       4  3  3  5  5  4  6  2  2  3 10 12  8  6  3  8  3  5  6  9 11 10
Clouds        OV OV OV OV OV OV OV OV B2 OV OV OV B2 OV OV B2 OV OV OV B2 B2 B2
PoP 12hr                     90          40          80          70          60
QPF 12hr                   0.24        0.07        0.83        0.46        0.21
Rain           C
Rain shwrs        D  D  D  D  C  C  C  C  D  D  D  D  L  L  L  L  L  L  L  L  C
Tstms                      S              C  C  D  D  S  S  S  S  L  L  L  L


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          52    76      58    83      63    80      60    79
Temp          55 55 73 72   62 61 80 78   68 65 78 75   65 62 77 74
Dewpt         50 52 52 56   56 59 64 66   65 64 64 63   62 60 58 61
PWind Dir        SW     W      SW    SW      SW    SW       W     W
Wind Char        GN    GN      LT    LT      LT    GN      LT    GN
Avg Clouds    B1 B1 SC FW   SC SC B1 B1   B1 B1 B2 B2   B1 B1 B1 SC
PoP 12hr         40    10      20    30      40    50      40    40
Rain shwrs     C  C          S  S  C  C    C  C  C  C    C  C  C  C
Tstms                              C  C    C  C  C  C    C  C  C  C

$$

TNZ071-232100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
327 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      73          60          72          55          69
Temp          63 62 68 72 72 70 65 63 61 61 67 71 71 68 62 59 57 57 63 67 68 66
Dewpt         61 60 60 60 61 60 60 59 57 60 61 61 59 58 55 53 53 53 54 51 51 52
RH            93 93 76 66 68 71 84 87 87 97 81 71 66 70 78 80 86 86 72 56 54 61
Wind Dir       E  E NE  N  N  W SW  S  S  E SE  S SW  W  W SW  S SW SW SW SW SW
Wind Spd       4  5  4  8  5  3  4  3  2  1  3 12 13  8  8  4  4  8 11 13 13 10
Clouds        OV OV OV OV OV OV OV B2 OV OV OV OV B2 B2 OV B2 OV OV OV B1 B1 B1
PoP 12hr                     80          50          80          70          50
QPF 12hr                   0.18        0.10        0.76        0.34        0.11
Rain           L
Rain shwrs        D  D  D  D  C  C  C  C  D  D  L  L  L  L  L  L  C  C  C  C  C
Tstms                   S  C  S  S  S  S  D  D  L  L  S  S  S  S  C  C  C  C


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          56    80      63    84      67    81      65    81
Temp          59 59 77 76   67 66 81 80   71 69 79 77   69 67 79 77
Dewpt         53 54 55 60   59 61 64 66   65 66 67 66   65 64 61 62
PWind Dir        SW    SW      SW    SW      SW    SW      SW    SW
Wind Char        GN    LT      LT    GN      LT    GN      LT    GN
Avg Clouds    B1 SC FW SC   SC SC B1 B1   B1 B1 B2 B2   B1 B1 B1 SC
PoP 12hr         30     5      10    20      40    50      50    30
Rain shwrs     C  C                S  S    C  C  C  C    C  C  C  C
Tstms                              S  S    C  C  C  C    C  C  C  C

$$

TNZ036-232100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
327 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      74          60          73          55          70
Temp          63 63 69 72 73 71 66 63 62 62 68 71 72 69 63 59 57 57 64 68 69 67
Dewpt         58 59 59 58 58 59 58 58 58 60 60 61 59 57 54 53 52 52 52 50 50 51
RH            84 87 70 61 59 66 75 84 87 93 76 71 64 66 72 80 83 83 65 52 51 56
Wind Dir       E  E NE  N  N NW SW  S  S NE  E  S  W  W  W SW SW SW SW SW SW SW
Wind Spd       4  3  3  8  6  4  2  2  3  1  2 12 11  6  6  2  3  5  9 11 11  8
Clouds        OV OV OV OV B2 B2 OV B2 OV OV OV OV OV B2 B2 B2 OV OV B2 B1 B2 B1
PoP 12hr                     70          60          70          60          50
QPF 12hr                   0.12        0.09        0.79        0.26        0.10
Rain           C
Rain shwrs        L  L  L  L  C  C  L  L  L  L  L  L  L  L  L  L  C  C  C  C  C
Tstms                   S  C  S  S  S  S  L  L  L  L  S  S  S  S


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          55    80      62    84      67    81      64    81
Temp          58 58 77 76   66 65 81 80   71 69 79 77   68 66 79 76
Dewpt         52 54 56 61   59 61 65 66   66 65 69 65   65 63 61 62
PWind Dir        SW    SW      SW    SW      SW    SW      SW    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC FW SC   SC B1 B1 B1   B1 B2 B2 B2   B1 B1 B1 SC
PoP 12hr         30     5      10    20      50    50      50    40
Rain shwrs     C  C                S  S    C  C  C  C    C  C  C  C
Tstms                              S  S    C  C  C  C    C  C  C  C

$$

TNZ099-232100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
327 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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          62          73          55          73
Temp          65 65 71 74 75 73 68 65 64 63 69 72 72 69 63 59 57 57 66 71 72 69
Dewpt         63 61 61 62 62 62 61 58 59 61 61 60 58 56 54 54 52 52 51 50 51 52
RH            93 87 71 66 64 68 78 78 84 93 76 66 61 63 72 83 83 83 58 47 48 55
Wind Dir       E NE  N NE  N  N  S SE  S SE  S SW  W  W  W  W SW SW SW SW  W SW
Wind Spd       2  4  4  4  5  2  2  1  4  3  9 11  9  6  3  4  3  5  9 12  8  4
Clouds        OV OV OV B2 B2 B2 B2 B2 OV OV OV B2 OV B2 OV B2 OV OV B1 B1 B1 SC
PoP 12hr                     70          60          80          60          30
QPF 12hr                   0.20        0.25        0.65        0.22        0.05
Rain           L
Rain shwrs        L  L  C  C  C  C  L  L  D  D  L  L  L  L  L  L  C  C  C  C
Tstms          S        S  C  S  S  S  S  D  D  L  L  S  S  S  S


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          57    83      64    85      68    82      65    82
Temp          61 60 80 79   68 67 82 81   72 70 80 78   69 67 80 78
Dewpt         53 55 58 64   63 63 65 67   68 67 69 67   68 66 63 64
PWind Dir        SW    SW       S    SW       S    SW       W     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC FW FW SC   FW SC B1 B1   B1 B2 OV OV   B1 B1 B1 B1
PoP 12hr         10     5      10    20      50    60      50    30
Rain shwrs                         S  S    C  C  L  L    C  C  C  C
Tstms                              S  S    C  C  L  L    C  C  C  C

$$

NCZ060-232100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
327 AM EDT Tue May 23 2017

Date             Tue 05/23/17            Wed 05/24/17            Thu 05/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      73          61          71          50          68
Temp          63 62 68 72 72 70 66 64 62 62 67 70 70 66 59 55 52 52 61 66 67 64
Dewpt         63 62 60 62 62 61 60 58 57 60 60 61 60 58 54 52 52 51 51 50 49 51
RH           100100 76 71 71 73 81 81 84 93 78 73 71 75 83 90100 96 70 56 52 63
Min/Max RH                   71          93          71         100          52
Wind Dir       E  S  E SW NW NW  W SW  S SE SE  S SW  W  W  W SW  W  W  W  W SW
Wind Dir Deg  10 16  9 23 29 30 27 21 18 12 14 18 22 26 27 28 23 24 24 24 24 22
Wind Spd       4  2  3  5  4  4  2  1  3  4  6 10  8  6  8  4  3  5  6 10 10  3
Clouds        OV OV OV OV B2 B2 OV OV OV OV OV OV OV B2 OV B2 OV OV OV B2 B1 SC
Clouds (%)    94 95 95 89 86 85 88 90100100100 89 90 75 90 83100 98 92 71 61 47
Vsby           3  2  4 10  8  7  5  4
PoP 12hr                     80          60          80          70          50
QPF 12hr                   0.42        0.09        0.97        0.25        0.09
Rain           D
Rain shwrs        D  D  L  L  C  C  L  L  D  D  L  L  L  L  L  L  C  C  C  C  C
Tstms          S        S  C  S  S  S  S  D  D  L  L  S  S  S  S  C  C  C  C
Haines                        3                       4
LAL               3     2     3     2     5     5     4     2     3     3     3
Max Mix Hgt                6400                    5500
AGL Mix Hgt                4700                    3800
Max Vent Rt               43500                   56700
T Wind Dir                   SW                       S
T Wind Spd                    9                      14
ADI                          38                      49
Max LVORI                     4                       4
Stability         D     C     B     D     D     C     B     D     D     B     A
Ceiling        4000  3200  4700  5500  1700  5500  8000  8900  1000  4700  6300
Sta Pres      27.72 27.68 27.63 27.60 27.55 27.50 27.49 27.47 27.55 27.66 27.71


Date          Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          49    79      58    84      63    79      63    79
Temp          53 53 75 74   63 61 81 79   68 65 77 75   67 65 77 74
Dewpt         51 52 55 60   58 60 63 66   63 64 67 65   64 63 60 62
PWind Dir         W     W       S    SW      SW    SW      NW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC FW SC   FW SC B1 B1   B1 B1 B2 B2   B2 B2 B1 SC
PoP 12hr         30     5      10    20      50    60      60    30
Rain shwrs     C  C                S  S    C  C  L  L    L  L  C  C
Tstms                              S  S    C  C  L  L    L  L  C  C

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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