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

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Point Forecast Matrices
National Weather Service Morristown TN
913 PM EDT Sun Apr 23 2017

TNZ017-240900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
913 PM EDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      48          64          51          74          53
Temp                49 50 51 51 59 63 63 61 57 53 52 54 63 70 73 69 62 58 56 54
Dewpt               46 46 47 48 53 53 52 52 50 49 49 50 50 52 53 54 54 53 53 53
RH                  89 86 86 89 80 70 67 72 77 86 89 86 62 53 49 59 75 83 90 96
Wind Dir             E  E NE NE  E  E  E NE NE NE NE NE  N  N NE NE  E  E  E SE
Wind Spd            11  9  9  6 10  9  8  6  4  3  3  2  3  5  4  3  2  2  3  1
Clouds              OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 SC SC FW FW FW
PoP 12hr                     90          60          20          10          10
QPF 12hr                   0.69        0.10        0.02           0           0
Rain shwrs           D  D  L  L  C  C  C  S  S  S  S
Flash Flood          A  A  A  A  A


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          81      57    77      55    79      60    85      61    82
Temp          77 75   63 58 74 72   61 56 75 74   65 61 81 79   67 62 79 76
Dewpt         52 55   54 56 57 59   57 56 57 57   59 60 60 61   59 60 59 57
PWind Dir         S       S    SW       S    SW       S     S      SE     S
Wind Char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW   SC SC B1 B2   B1 B1 B1 B1   B1 B1 B1 SC   SC SC B1 B1
PoP 12hr          5      10    40      40    30      20    10      10    20
Rain shwrs                   C  C    C  C  C  C    S  S                S  S
Tstms                        S  S    S  S  C  C    S  S                S  S

$$

TNZ071-240900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
913 PM EDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      52          68          54          77          55
Temp                54 53 54 54 59 67 66 66 61 56 55 56 66 73 76 72 65 61 58 56
Dewpt               51 49 50 52 54 57 56 56 55 53 53 51 53 54 55 56 56 55 54 54
RH                  90 86 86 93 83 70 70 70 81 90 93 83 63 51 48 57 73 81 86 93
Wind Dir            NE NE NE NE NE  N  N  N NE NE  N  N  N NE NE  E SE  S  S SE
Wind Spd            10  9 10  9  9  6  6  6  4  4  2  2  3  5  3  3  2  3  2  2
Clouds              OV OV OV B2 B2 B2 OV B2 B2 B1 B1 SC SC SC SC FW FW FW FW FW
PoP 12hr                     80          30          10          10           5
QPF 12hr                   0.28        0.05           0           0           0
Rain shwrs           C  C  C  C  C  C  C
Tstms
Flash Flood          A  A  A


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          83      61    78      60    83      63    87      65    83
Temp          79 78   67 62 75 74   65 61 79 78   68 64 83 82   71 66 80 77
Dewpt         54 57   56 57 61 62   58 59 61 61   61 63 64 63   61 61 63 60
PWind Dir         S       S    SW      SW    SW      SW    SW       S     S
Wind Char        GN      GN    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW   SC SC B1 B2   B1 B1 B1 B1   B1 B1 SC SC   SC SC B1 B1
PoP 12hr          5      10    50      40    30      20    10      10    30
Rain shwrs                   C  C    C  C  C  C    S  S                C  C
Tstms                        S  S    S  S  C  C    S  S                C  C

$$

TNZ036-240900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
913 PM EDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      54          69          53          77          56
Temp                55 55 55 56 59 68 67 67 61 55 54 55 66 73 76 72 65 61 59 57
Dewpt               49 48 49 51 53 55 55 55 54 52 52 51 53 55 56 56 56 55 54 54
RH                  80 77 80 83 80 63 65 65 78 90 93 86 63 53 50 57 73 81 83 90
Wind Dir            NE NE NE NE NE  N NE  N NE NE  N  N  N  E SE SE SE  S SW  S
Wind Spd             6  6  6  4  6  6  4  5  2  2  2  1  3  4  3  3  2  3  3  2
Clouds              OV OV OV B2 B2 B2 OV B2 B2 B1 B1 SC SC SC SC FW FW FW FW FW
PoP 12hr                     60          20          10           5           5
QPF 12hr                   0.21        0.02           0           0           0
Rain shwrs           C  C  S  S  S  S  S
Tstms
Flash Flood          A  A  A


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          83      61    79      60    83      64    87      65    82
Temp          79 78   67 62 76 74   65 61 79 78   69 65 83 82   71 66 79 76
Dewpt         54 57   56 57 61 61   58 59 61 63   61 62 63 64   61 61 62 60
PWind Dir         S       S    SW       W     S      SW    SW       S     S
Wind Char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW   SC B1 B2 B2   B1 B1 B1 B1   B1 B1 SC SC   FW SC B1 B1
PoP 12hr          5      10    40      40    30      20    10      10    30
Rain shwrs                   C  C    C  C  C  C    S  S                C  C
Tstms                        S  S    S  S  C  C    S  S                C  C

$$

TNZ099-240900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
913 PM EDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      56          68          54          79          57
Temp                58 57 57 57 58 66 67 66 60 56 55 56 68 75 78 74 67 63 60 58
Dewpt               55 54 52 53 53 54 55 56 55 55 55 53 55 56 57 57 57 56 55 55
RH                  90 90 83 86 83 65 65 70 84 96100 90 63 52 48 55 70 78 84 90
Wind Dir             N  N  N  N  N  N  N  N  N  N NW  N NW  N SW SW  S  S  S  S
Wind Spd             6  5  6  5  8  6  6  6  3  2  2  2  3  4  3  4  2  4  3  3
Clouds              OV OV OV B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC FW FW FW FW FW
PoP 12hr                     20          20          10           5           5
QPF 12hr                   0.15        0.01           0           0           0
Rain shwrs           S  S  S  S
Tstms
Flash Flood          A  A  A


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          84      63    80      61    84      65    87      66    83
Temp          80 79   68 64 77 75   66 62 80 79   70 66 83 82   71 67 80 77
Dewpt         55 58   57 60 62 64   61 62 63 64   64 64 64 65   64 63 63 62
PWind Dir         S       S     S       S     S       S     S       S     S
Wind Char        GN      GN    LT      LT    LT      LT    GN      LT    LT
Avg Clouds    FW SC   B1 B1 B2 B2   B1 B1 B1 B1   B1 B1 SC SC   SC SC B1 B1
PoP 12hr          5      20    50      40    40      20    10      10    40
Rain shwrs             S  S  C  C    C  C  C  C    S  S                C  C
Tstms                  S  S  S  S    S  S  C  C    S  S                C  C

$$

NCZ060-240900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
913 PM EDT Sun Apr 23 2017

Date           04/23/17      Mon 04/24/17            Tue 04/25/17            Wed
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                      52          65          52          76          54
Temp                54 53 53 54 62 64 64 63 58 53 53 53 66 72 75 71 64 60 57 55
Dewpt               54 53 53 54 54 55 56 55 55 53 52 51 53 54 55 55 55 54 53 53
RH                 100100100100 75 73 75 75 90100 96 93 63 53 50 57 73 81 86 93
Max/Min RH                  100          72         100          50          93
Wind Dir            NW  N  N  N  N NW NW NW  N  N NW NW NW  N  W  W SW  S  S  S
Wind Dir Deg        31 33  2  1 34 32 31 31 34 33 30 31 31 33 26 26 20 17 16 16
Wind Spd             5  4  4  3  4  4  4  4  2  1  1  2  4  5  3  4  2  4  3  3
Clouds              OV OV OV B2 B2 B2 OV B2 B2 B1 B1 B1 B1 SC SC FW FW FW FW FW
Clouds (%)          90 94 97 80 84 84 92 84 84 59 59 51 51 41 41 19 19 18 18 20
Vsby                 4  2  2  2  5 10
PoP 12hr                     70          40          10          10           5
QPF 12hr                   0.42        0.12           0           0           0
Rain shwrs           S  C  C  C  C  C  C
Tstms
Obvis               PF PF PF PF
Flash Flood          A  A  A
Haines                                    3                       4
LAL                     1     1     1     1     1     1     1     1     1     1
Max Mix Hgt                            4800                    5800
AGL Mix Hgt                            3100                    4100
Max Vent Rt                           10700                   28500
T Wind Dir                               NE                       W
T Wind Spd                                3                       6
ADI                                       9                      25
Max LVORI                                 8                       5
Stability               D     D     B     B     F     F     B     A     G     G
Ceiling              2400  1700  4000  2400  1700  1700  4700 23500 23500  NONE
Sta Pres            27.63 27.63 27.64 27.64 27.66 27.68 27.67 27.67 27.72 27.73


Date           04/26  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          81      56    74      58    79      61    83      62    80
Temp          77 75   63 57 71 70   62 59 76 75   66 62 79 78   67 63 77 74
Dewpt         53 56   55 55 59 60   59 59 61 61   61 62 60 61   61 61 61 57
PWind Dir         S       S     S       S     S      SE     S      SE     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW   SC SC B1 B2   B1 B1 B1 B1   B1 B1 SC SC   SC SC B1 B1
PoP 12hr          5      10    50      40    30      20    10      10    40
Rain shwrs                   C  C    C  C  C  C    S  S                C  C
Tstms                        S  S    S  S  C  C    S  S                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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