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

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Point Forecast Matrices
National Weather Service Morristown TN
305 AM EDT Tue Apr 25 2017

TNZ017-252100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
305 AM EDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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          52          84          55          82
Temp          51 53 60 67 70 66 61 57 55 54 70 79 83 77 69 63 60 57 69 76 79 74
Dewpt         47 52 53 53 52 53 54 53 52 54 56 54 52 55 56 54 54 55 57 56 55 56
RH            86 96 78 61 53 63 78 86 90100 61 42 34 47 63 72 81 93 66 50 44 53
Wind Dir      NE NW NW  W  W  S  S  S SE SE  S  S  S  E SE SE SE  S  S SW  W  W
Wind Spd       2  3  4  3  3  2  3  3  2  2  1  2  3  2  6  4  3  2  6  9  3  3
Clouds        OV B2 B2 B1 B1 SC SC SC SC CL CL CL CL CL CL FW FW FW SC B2 B2 B2
PoP 12hr                     10           0           0           5          40
QPF 12hr                      0           0           0           0        0.17
Rain shwrs                                                           S  C  C  C
Tstms                                                                S  C  C  C
Obvis         PF


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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    81      61    86      62    82      61    73
Temp          62 57 77 76   66 62 82 80   68 63 79 77   66 62 72 67
Dewpt         56 57 54 58   61 61 60 62   62 62 61 62   60 58 53 51
PWind Dir         S     S       S     S       S     S       S    SW
Wind Char        LT    LT      LT    GN      LT    GN      LT    GN
Avg Clouds    B2 B1 SC SC   SC B1 B1 SC   SC SC B1 B1   B1 OV OV B2
PoP 12hr         30    20      30    20      10    40      50    60
Rain shwrs     C     S  S    C  C  S  S          C  C    C  C  L  L
Tstms          C     S  S    C  C  S  S          C  C    C  C  L  L

$$

TNZ071-252100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
305 AM EDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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                      77          56          85          61          80
Temp          54 55 64 72 75 70 65 61 59 57 72 80 84 79 72 67 64 62 71 76 78 75
Dewpt         53 53 55 55 55 56 57 56 54 55 57 57 55 57 59 58 57 57 58 59 58 58
RH            96 93 73 55 50 61 75 84 83 93 59 45 37 47 64 73 78 84 63 56 50 55
Wind Dir      NW SE  W NW  W  S SE SE SE SE  S SW SW  S  S  S  S  S  S SW SW  W
Wind Spd       2  1  1  2  2  2  3  3  3  3  2  5  4  1  4  3  3  4  9  9  8  3
Clouds        SC SC SC SC FW FW FW FW FW CL CL CL CL CL CL FW SC B1 B2 B2 B2 B1
PoP 12hr                      0           0           0          10          60
QPF 12hr                      0           0           0           0        0.36
Rain shwrs                                                        C  C  L  C  C
Tstms                                                             C  C  L  C  C
Obvis         PF


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          61    83      65    87      66    84      62    73
Temp          66 62 79 79   70 66 83 82   71 67 81 79   67 63 72 67
Dewpt         59 59 61 60   63 62 63 63   63 64 62 63   61 59 55 48
PWind Dir        SE     S       S     S       S     S       S    SW
Wind Char        LT    GN      LT    GN      LT    GN      GN    GN
Avg Clouds    B1 SC B1 B1   SC B1 SC SC   SC B1 B1 B1   B2 OV B2 B2
PoP 12hr         30    30      20    20      10    30      60    60
Rain shwrs     C     C  C    S  S  S  S          C  C    L  L  L  L
Tstms          C     C  C    S  S  S  S          C  C    L  L  L  L

$$

TNZ036-252100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
305 AM EDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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                      78          56          86          62          77
Temp          53 54 66 73 77 72 65 61 59 57 72 80 84 79 72 67 64 62 70 75 77 74
Dewpt         52 53 54 55 54 55 57 55 54 54 56 57 55 57 59 58 57 57 57 58 57 57
RH            96 96 65 53 45 55 75 81 83 90 57 45 37 47 64 73 78 84 63 55 50 55
Wind Dir      NW NW  W  W SW  S  S SE  N  N  S  S  S  S  S  S  S  S  S SW SW  W
Wind Spd       1  0  1  2  2  2  3  2  1  1  2  8  8  2  6  5  6  5  6  8  9  2
Clouds        SC SC SC SC FW FW FW CL CL CL CL CL CL CL CL FW SC B2 OV B2 B2 B1
PoP 12hr                      0           0           0          20          60
QPF 12hr                      0           0           0        0.01        0.42
Rain shwrs                                                     S  C  L  C  C  S
Tstms                                                          S  C  L  C  C  S
Obvis         PF


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          60    83      65    87      66    84      61    72
Temp          65 61 79 79   70 66 83 82   71 67 81 79   66 62 71 66
Dewpt         58 58 61 62   63 62 63 64   63 64 62 63   61 58 50 48
PWind Dir        NE     S       S    SW       S     S       S    SW
Wind Char        LT    LT      LT    GN      LT    GN      GN    GN
Avg Clouds    B1 SC B1 B1   B1 B1 B1 SC   SC B1 B2 B1   B2 OV B2 B2
PoP 12hr         20    40      30    20      10    30      60    50
Rain shwrs     S     C  C    C  C  S  S          C  C    L  L  C  C
Tstms          S     C  C    C  C  S  S          C  C    L  L  C  C

$$

TNZ099-252100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
305 AM EDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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                      78          57          86          63          78
Temp          53 54 65 76 78 73 66 62 60 58 72 81 84 79 72 68 65 63 71 75 77 74
Dewpt         52 53 55 55 54 56 59 57 54 54 57 57 56 57 59 59 58 59 60 61 61 61
RH            96 96 70 48 43 55 78 84 81 86 59 44 38 47 64 73 78 87 68 62 58 64
Wind Dir      NW  N NW NW  W SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW
Wind Spd       2  1  4  3  3  2  2  2  2  1  4  9 10  8  8  8  8  6  8  6  9  2
Clouds        B1 SC SC FW FW CL CL CL CL CL CL CL CL CL CL SC SC B2 OV B2 B1 SC
PoP 12hr                      0           0           0          20          70
QPF 12hr                      0           0           0        0.01        0.62
Rain shwrs                                                     S  C  L  C  C  S
Tstms                                                          S  C  L  C  C  S
Obvis         PF


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          61    83      66    87      67    84      60    72
Temp          65 62 79 79   70 67 84 82   72 68 81 78   66 61 71 67
Dewpt         59 61 64 63   63 63 63 64   65 64 64 65   61 58 50 48
PWind Dir        SE     S       S     S       S     S       S     W
Wind Char        LT    GN      LT    GN      LT    GN      GN    GN
Avg Clouds    SC SC B1 B1   SC SC B1 SC   SC B1 B2 B2   OV OV B2 B1
PoP 12hr         20    30      30    20      10    40      60    50
Rain shwrs     S     C  C    C  C  S  S          C  C    L  L  C  C
Tstms          S     C  C    C  C  S  S          C  C    L  L  C  C

$$

NCZ060-252100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
305 AM EDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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                      77          51          85          55          80
Temp          51 52 63 71 75 69 61 56 53 52 69 79 84 78 69 64 60 57 67 73 75 72
Dewpt         51 52 54 54 53 55 55 53 52 52 57 54 53 55 57 57 55 55 57 57 59 59
RH           100100 72 55 46 61 81 90 96100 66 42 34 45 66 78 84 93 70 57 58 64
Min/Max RH                   46         100          34          93          55
Wind Dir      NW  N NW NW NW  W  S SE  E  E  S  S  S SE SE  S  S SE  S  S  S SW
Wind Dir Deg  30 33 32 31 29 28 19 13  9  8 18 18 17 15 15 16 16 14 16 16 19 22
Wind Spd       2  5  8  8  6  3  1  2  3  3  4  6  8  8  8  9  8  5  8  6  5  2
Clouds        B1 B1 SC FW FW FW FW CL CL CL CL CL CL CL CL FW SC B1 B2 OV OV B1
Clouds (%)    65 51 45 20 20  7  7  2  2  0  0  0  0  0  0 19 35 64 79 91 88 53
Vsby           4  3 10 10 10 10  8  7
PoP 12hr                      0           0           0          10          60
QPF 12hr                      0           0           0           0        0.56
Rain shwrs                                                        S  C  L  C  C
Tstms                                                             S  C  L  C  C
Obvis         PF
Haines                        4                       4
LAL               1     1     1     1     1     1     1     1     2     4     4
Max Mix Hgt                4300                    4900
AGL Mix Hgt                2600                    3200
Max Vent Rt               24000                   36900
T Wind Dir                   NW                       S
T Wind Spd                    9                      11
ADI                          21                      32
Max LVORI                     5                       4
Stability         E     B     A     G     G     B     B     F     E     C     B
Ceiling        1700  NONE 23500 20800 23500  NONE  NONE  NONE 20800  3200  3200
Sta Pres      27.68 27.67 27.67 27.71 27.73 27.73 27.72 27.76 27.77 27.78 27.77


Date          Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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          58    81      61    84      62    81      60    72
Temp          63 59 77 76   66 62 80 79   68 63 78 76   65 61 71 66
Dewpt         57 59 62 61   62 61 62 64   62 62 62 63   61 59 55 49
PWind Dir        SE     S      SE     S      SE     S       S    SW
Wind Char        LT    LT      LT    LT      LT    GN      GN    GN
Avg Clouds    B1 SC B1 SC   SC SC SC SC   SC B1 B2 B2   B2 OV OV B2
PoP 12hr         30    30      20    20      10    40      50    50
Rain shwrs     C     C  C    S  S  S  S          C  C    C  C  C  C
Tstms          C     C  C    S  S  S  S          C  C    C  C  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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