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

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Point Forecast Matrices
National Weather Service Morristown TN
307 PM EDT Fri Apr 28 2017

TNZ017-290900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
307 PM EDT Fri Apr 28 2017

Date           04/28/17      Sat 04/29/17            Sun 04/30/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      59          90          62          85          62
Temp          84 77 69 65 62 61 76 85 89 79 71 68 65 67 76 80 81 74 67 65 66 62
Dewpt         56 57 59 60 59 60 62 61 61 62 63 63 61 62 63 61 60 60 60 60 60 61
RH            38 50 70 84 90 97 62 45 39 56 76 84 87 84 64 52 49 62 78 84 81 97
Wind Dir       S SW  S  S  S SE  S SW  S  S SE  S  E  E  S  S  S  S  S  S  S  S
Wind Spd      11  8  3  2  2  1  3 11 12  6  3  2  1  2 10 13 12 10  8 10 12 10
Clouds        FW SC SC FW FW FW SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 OV
PoP 12hr                     10          20          10          20          30
QPF 12hr                      0        0.01           0        0.01        0.07
Rain shwrs                             S                       S        S  C  L
Tstms                                  S                       S        S  C  L


Date           05/01  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          74      49    73      50    76      53    66      47    65
Temp          71 66   54 52 69 67   55 53 72 69   58 55 64 62   51 49 60 59
Dewpt         61 50   44 44 41 43   45 46 50 53   52 52 52 51   48 47 47 45
PWind Dir        SW      SW     W      SW    SW      SW    NW       N     N
Wind Char        GN      GN    GN      LT    LT      LT    LT      LT    GN
Avg Clouds    OV B2   SC FW SC FW   FW SC SC B1   B1 B2 B2 B2   B2 B2 B2 B1
PoP 12hr         60      10    10      10    30      40    50      50    50
Rain shwrs     L  L                        C  C    C  C  C  C    C  C  C  C
Tstms          L  L                        S  S    S  S  S  S    S  S  S  S

$$

TNZ071-290900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
307 PM EDT Fri Apr 28 2017

Date           04/28/17      Sat 04/29/17            Sun 04/30/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      65          90          67          85          66
Temp          84 79 73 70 68 66 79 86 89 81 74 71 69 70 77 83 81 77 72 70 69 66
Dewpt         62 63 63 62 62 62 65 64 62 62 65 64 63 64 65 64 63 63 63 61 61 60
RH            48 58 71 76 81 87 62 48 41 53 74 79 81 81 67 53 54 62 73 73 76 81
Wind Dir      SW SW SW  S  S  S  S SW SW  S  S SW SW  S  S  S  S  S  S  S  S  S
Wind Spd      16 11  9  8  5  4 10 17 17 10  8  5  5  8 13 14 11 11 11 13 13 16
Clouds        SC SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 OV
PoP 12hr                     10          20          10          10          50
QPF 12hr                      0        0.01           0           0        0.22
Rain shwrs                             S                          S  S  C  C  L
Tstms                                  S                          S  S  C  C  L


Date           05/01  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          76      52    76      54    79      59    68      50    66
Temp          73 68   57 55 72 70   59 57 75 72   64 60 67 64   54 52 61 61
Dewpt         55 48   43 47 46 48   50 50 55 55   56 55 54 52   50 49 48 44
PWind Dir        SW      SW    SW      SW     S       S    NW       N     N
Wind Char        BZ      GN    GN      LT    LT      LT    LT      LT    GN
Avg Clouds    OV SC   SC FW FW FW   FW B1 B1 B1   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr         60      10    10      10    30      40    50      50    50
Rain shwrs     L  C                        C  C    C  C  C  C    C  C  C  C
Tstms          L  C                        S  S    S  S  S  S    S  S  S  S

$$

TNZ036-290900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
307 PM EDT Fri Apr 28 2017

Date           04/28/17      Sat 04/29/17            Sun 04/30/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      65          90          67          85          66
Temp          84 80 72 69 67 66 79 86 89 83 74 71 69 69 77 83 82 78 71 71 69 66
Dewpt         62 63 63 63 63 63 64 64 63 63 65 65 64 64 65 64 63 63 63 61 61 60
RH            48 56 73 81 87 90 60 48 42 51 74 81 84 84 67 53 53 60 76 71 76 81
Wind Dir       S SW SW SW  S  S  S  S  S  S  S  N  S  S  S  S  S  S  S  S  S  S
Wind Spd      11  6  2  2  3  3  6 12 11  8  3  0  3  3 13 14 12 10 10 11 12 10
Clouds        SC SC SC FW FW FW SC SC SC SC SC SC SC SC B1 SC SC B1 B1 B2 B2 OV
PoP 12hr                     10          20          10          20          60
QPF 12hr                      0        0.01           0        0.01        0.28
Rain shwrs                             S                       S  S  S  C  L  L
Tstms                                  S                       S  S  S  C  L  L


Date           05/01  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          75      52    76      54    77      58    68      50    66
Temp          72 68   56 55 72 70   59 57 73 71   62 59 67 64   54 52 61 60
Dewpt         52 44   44 47 45 47   49 49 54 55   55 53 53 50   49 47 45 44
PWind Dir        SW      SW    SW      SW    SW      SW     N       N     N
Wind Char        GN      GN    GN      LT    LT      LT    LT      LT    GN
Avg Clouds    OV SC   SC FW FW FW   SC B1 B1 B1   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr         70      10    10      10    30      40    50      50    50
Rain shwrs     L  C                        C  C    C  C  C  C    C  C  C  C
Tstms          L  C                        S  S    S  S  S  S    S  S  S  S

$$

TNZ099-290900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
307 PM EDT Fri Apr 28 2017

Date           04/28/17      Sat 04/29/17            Sun 04/30/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      66          90          67          86          66
Temp          83 79 74 71 69 67 79 86 89 82 75 71 69 69 78 83 83 79 75 72 69 66
Dewpt         65 65 66 64 64 65 64 63 62 63 65 65 64 65 66 65 64 64 63 62 63 61
RH            55 62 76 79 84 93 60 46 41 53 71 81 84 87 67 55 53 60 66 71 81 84
Wind Dir       S  S  S  S  S  S  S  S  S  S  S  S SE  S  S  S  S  S  S  S  S  S
Wind Spd      13  9  4  4  4  4 10 17 16  9  4  3  6  4 14 14 14 12 13 16 14 10
Clouds        B1 SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B2 B2 OV OV B2
PoP 12hr                      5          20          10          20          70
QPF 12hr                      0        0.01           0        0.01        0.87
Rain shwrs     S                       S                       S  C  C  L  L  L
Tstms          S                       S                       S  C  C  L  L  L


Date           05/01  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          75      52    79      57    80      60    70      50    69
Temp          72 68   56 55 75 73   62 60 76 73   65 61 69 65   55 52 64 63
Dewpt         51 47   46 50 45 51   52 53 54 56   58 57 57 52   50 49 46 47
PWind Dir        SW      SW     W      SW     S      SE    NW       N     N
Wind Char        GN      LT    GN      LT    LT      LT    LT      LT    GN
Avg Clouds    B2 SC   FW FW FW FW   FW B1 SC SC   B2 B2 B2 B2   B2 B1 B1 B1
PoP 12hr         60       5    10      10    30      40    50      40    50
Rain shwrs     L  C                        C  C    C  C  C  C    C  C  C  C
Tstms          L  C                        S  S    S  S  C  C    S  S  S  S

$$

NCZ060-290900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
307 PM EDT Fri Apr 28 2017

Date           04/28/17      Sat 04/29/17            Sun 04/30/17            Mon
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
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                      61          89          64          82          65
Temp          84 76 67 64 63 62 76 85 88 77 70 68 65 66 72 77 78 75 69 66 65 65
Dewpt         63 62 62 61 59 60 64 63 62 63 65 64 63 63 64 63 63 62 62 61 61 61
RH            49 62 84 90 87 93 66 48 42 62 84 87 93 90 76 62 60 64 78 84 87 87
Max/Min RH                   93          42          93          60          87
Wind Dir      SW SW  S  S SE SE SW SW SW  S  W NE SE  E  S  S SE SE SE  S  S  S
Wind Dir Deg  20 23 17 16 15 15 21 21 20 18 24  6 12 11 16 16 15 15 15 16 16 17
Wind Spd       9  4  4  3  3  2  5 10  9  6  2  1  3  3 11 12 13 13 13 16 13 12
Clouds        SC SC SC SC SC SC SC SC SC B1 SC B1 B1 SC B1 B1 B1 B1 B1 B2 B2 OV
Clouds (%)    37 30 28 26 29 32 34 35 46 56 31 52 52 49 53 55 52 65 65 80 80 94
Vsby          10 10 10  4  5  2 10 10
PoP 12hr                     10          20          20          20          60
QPF 12hr                      0        0.01        0.02        0.02        0.21
Rain shwrs                             S  S  S  S  S  S  S  S  S  S  S  C  L  L
Tstms                                  S  S  S  S  S  S  S  S  S  S  S  C  L  L
Haines                                    4                       3
LAL               1     1     1     1     2     2     2     2     2     3     4
Max Mix Hgt                            6100                    6300
AGL Mix Hgt                            4400                    4600
Max Vent Rt                           80700                  120800
T Wind Dir                                S                       S
T Wind Spd                               18                      26
ADI                                      70                     105
Max LVORI                                 4                       4
Stability         A     G     G     B     B     F     G     C     C     D     D
Ceiling        3200  NONE 23500  NONE 20800  4700  2400  3200  4700 18200  3200
Sta Pres      27.97 28.02 28.06 28.06 28.03 28.03 28.02 28.01 27.88 27.82 27.75


Date           05/01  Tue 05/02/17  Wed 05/03/17  Thu 05/04/17  Fri 05/05/17
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          75      49    76      52    78      56    69      49    70
Temp          72 67   54 52 72 69   58 55 74 71   61 58 67 64   54 52 64 63
Dewpt         55 47   44 46 42 48   48 50 53 54   56 56 56 52   48 49 49 47
PWind Dir        SW      SW     W      SW     S       S     W       N     N
Wind Char        GN      LT    GN      LT    LT      LT    LT      LT    GN
Avg Clouds    OV SC   SC FW FW FW   FW SC SC SC   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr         70      10    10      10    30      40    50      40    50
Rain shwrs     L  C                        C  C    C  C  C  C    C  C  C  C
Tstms          L  C                        S  S    S  S  C  C    S  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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