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

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Point Forecast Matrices
National Weather Service Morristown TN
808 PM EDT Sun Sep 23 2018

TNZ017-240900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
808 PM EDT Sun Sep 23 2018

Date           09/23/18      Mon 09/24/18            Tue 09/25/18            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                      66          77          64          80          66
Temp                69 68 67 67 72 76 76 72 69 67 66 65 72 78 79 75 71 69 68 66
Dewpt               66 65 65 64 64 64 65 65 65 64 63 63 66 68 68 67 67 66 65 65
RH                  90 90 93 90 76 66 69 79 87 90 90 93 81 71 69 76 87 90 90 97
Wind Dir             E  E  E  E SE SE SE SE SE SE  S  E  S  S  S SE SE  S  S  S
Wind Spd             2  3  3  3  5  8  8  5  6  8  6  5  5  8  9  4  5  4  4  2
Clouds              OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV B2 B2 OV OV OV
PoP 12hr                     40          30          50          60          60
QPF 12hr                   0.11        0.02        0.15        0.14        0.12
Rain shwrs           C  C  C  S  S  S  C  C  C  C  C  C  C  L  L  C  C  L  L  D
Tstms                C        S  S  S  C  S           C  C  L  L  C  C  C  C  C


Date           09/26  Thu 09/27/18  Fri 09/28/18  Sat 09/29/18  Sun 09/30/18
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      64    74      62    78      57    79      59    80
Temp          74 71   66 64 73 70   65 63 76 71   62 58 76 72   64 60 77 73
Dewpt         68 67   64 63 65 65   62 62 63 62   58 56 60 60   59 59 63 62
PWind Dir        SW      NW     S       S     W      NE     N       E     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   OV OV OV OV   OV OV B2 B1   SC SC B1 SC   FW FW FW FW
PoP 12hr         80      60    60      40    30      10    10      10    10
Rain shwrs     D  D    L  L  L  L    C  C  C  C
Tstms          C  C    S  S  S  S    S  S  S  S

$$

TNZ071-240900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
808 PM EDT Sun Sep 23 2018

Date           09/23/18      Mon 09/24/18            Tue 09/25/18            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                      67          80          67          82          68
Temp                72 70 68 68 74 78 79 75 72 70 69 68 75 80 81 77 73 71 70 69
Dewpt               68 68 67 66 66 67 67 67 67 66 65 65 68 70 70 69 69 68 67 67
RH                  87 93 97 93 76 69 67 76 84 87 87 90 79 72 69 76 87 90 90 93
Wind Dir             E  E  E  E SE  S  E  E  E NW SE  S  S SW SW  S  S  S  S  S
Wind Spd             2  3  2  2  3  5  5  4  4  6  4  4  8 10  9  4  4  5  4  5
Clouds              OV B2 B2 B2 OV OV OV OV OV OV OV B2 OV OV OV B2 B2 OV OV OV
PoP 12hr                     30          50          60          60          60
QPF 12hr                   0.07        0.03        0.15        0.14        0.19
Rain shwrs           C  S  S  C  C  C  C  C  L  L  L  C  L  L  L  C  C  L  L  D
Tstms                C  S  S  C  C  C  C  S           C  L  L  L  C  C  C  C  C


Date           09/26  Thu 09/27/18  Fri 09/28/18  Sat 09/29/18  Sun 09/30/18
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          78      66    77      65    80      62    81      63    82
Temp          77 74   69 66 75 73   67 65 78 73   66 63 79 75   67 64 79 75
Dewpt         70 69   66 65 69 67   65 64 66 63   62 60 63 64   62 61 64 64
PWind Dir        SW      NW    SW      SW     W      NE     N       E    SW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   B2 OV OV OV   B2 B2 B2 B1   SC SC B1 B1   FW FW SC SC
PoP 12hr         90      60    70      50    20      10    10      10    10
Rain shwrs     D  D    L  L  L  L    C  C  S  S
Tstms          C  C    S  S  S  S    S  S  S  S

$$

TNZ036-240900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
808 PM EDT Sun Sep 23 2018

Date           09/23/18      Mon 09/24/18            Tue 09/25/18            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                      69          80          67          82          68
Temp                73 71 70 70 75 79 79 75 72 70 69 68 75 80 81 77 73 71 70 69
Dewpt               69 68 67 67 67 68 68 67 67 66 65 65 68 70 70 69 69 69 68 68
RH                  87 90 90 90 76 69 69 76 84 87 87 90 79 72 69 76 87 93 93 97
Wind Dir            NE  E  E  E SE  S SE  E  E NE SE  S  S SW  S  S  S  S  S  S
Wind Spd             2  2  2  2  4  5  5  4  4  5  5  3  5  9  8  4  5  4  4  4
Clouds              OV OV OV OV OV OV OV B2 OV OV B2 B2 B2 OV OV B2 B2 OV OV OV
PoP 12hr                     40          60          60          70          70
QPF 12hr                   0.08        0.06        0.16        0.16        0.26
Rain shwrs           C  S  C  C  C  L  L  L  L  L  L  L  L  L  L  C  C  L  L  D
Tstms                C  S  C  C  C  C  C  S           L  L  L  L  C  C  C  C  C


Date           09/26  Thu 09/27/18  Fri 09/28/18  Sat 09/29/18  Sun 09/30/18
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          78      66    77      65    81      62    82      63    82
Temp          77 74   69 66 75 73   67 65 78 74   66 63 80 75   67 64 79 75
Dewpt         70 68   65 65 68 67   64 64 66 64   61 60 63 64   62 61 65 66
PWind Dir        SW      NW     W      SW     W      NE     E       N     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   B2 OV OV OV   B2 B2 B2 B1   SC SC SC SC   FW FW SC FW
PoP 12hr         90      60    70      50    20      10    10      10    10
Rain shwrs     D  D    L  L  L  L    C  C  S  S
Tstms          C  C    S  S  S  S    S  S  S  S

$$

TNZ099-240900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
808 PM EDT Sun Sep 23 2018

Date           09/23/18      Mon 09/24/18            Tue 09/25/18            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                      71          81          70          83          71
Temp                77 76 74 72 76 80 80 77 74 73 71 71 77 81 82 79 75 74 73 71
Dewpt               68 67 66 66 68 70 70 69 68 68 68 68 70 72 72 71 71 70 69 69
RH                  74 74 76 81 76 72 72 76 82 84 90 90 79 74 72 77 87 87 87 93
Wind Dir             E  E  E SE SE SE SE SE SE SE  S  S  S  S  S  S  S  S  S SW
Wind Spd             3  3  3  3  5  8  8  5  8  8  6  5  6  8 10  5  4  4  5  5
Clouds              B2 B2 B2 B2 OV OV OV B2 OV OV B2 B2 B2 OV OV B2 B2 OV OV OV
PoP 12hr                     30          60          60          60          70
QPF 12hr                   0.03        0.18        0.14        0.18        0.32
Rain shwrs           S  S  C  C  L  L  C  L  L  L  L  C  L  L  L  L  L  L  L  D
Tstms                S  S  C  C  C  C  C  S           C  L  L  L  C  C  C  C  C


Date           09/26  Thu 09/27/18  Fri 09/28/18  Sat 09/29/18  Sun 09/30/18
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          80      68    78      66    81      64    81      64    82
Temp          79 76   70 68 76 73   68 66 79 75   68 65 79 75   68 65 79 75
Dewpt         72 71   67 65 70 69   66 65 66 65   64 62 65 64   63 62 66 66
PWind Dir        SW      NE     S      SW    NW      NE    SE       E    SE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   OV OV OV OV   B2 B2 B2 B1   SC SC B1 B1   SC SC SC SC
PoP 12hr         90      70    70      50    20      10    20      10    10
Rain shwrs     D  D    L  L  L  L    C  C  S  S          S  S
Tstms          C  C    S  S  S  S    S  S  S  S          S  S

$$

NCZ060-240900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
808 PM EDT Sun Sep 23 2018

Date           09/23/18      Mon 09/24/18            Tue 09/25/18            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                      65          77          66          79          65
Temp                71 70 68 66 71 75 76 73 70 69 67 67 73 77 78 74 70 68 67 66
Dewpt               66 65 64 65 66 67 66 65 64 64 64 65 67 69 69 68 68 67 66 66
RH                  84 84 87 97 84 76 71 76 81 84 90 93 81 76 74 82 93 97 97100
Max/Min RH                   97          71          93          74         100
Wind Dir            SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  S  S SW
Wind Dir Deg        12 12 12 12 12 13 13 12 13 14 15 15 15 15 15 14 15 16 17 20
Wind Spd             3  4  5  5  8  9  8  6  8  9  8  6  8  9 10  6  8  5  6  6
Clouds              B2 B2 B2 B2 OV OV OV OV OV OV OV B2 OV OV OV B2 B2 OV OV OV
Clouds (%)          74 74 81 87 88 88 88 88 90 91 88 87 88 89 91 83 83 94 94 99
Vsby                 7  7  8  2  4 10
PoP 12hr                     30          50          60          50          60
QPF 12hr                   0.03        0.04        0.16        0.15        0.19
Rain shwrs           S  S  S  C  C  C  C  C  C  C  L  C  C  C  C  C  C  L  L  D
Tstms                S  S  S  C  C  C  C  S           C  C  C  C  C  C  C  C  C
Haines                                    3                       3
LAL               3     2     3     3     3     2     3     3     3     3     3
Max Mix Hgt                            3800                    4300
AGL Mix Hgt                            2200                    2600
Max Vent Rt                           29800                   36300
T Wind Dir                               SE                      SE
T Wind Spd                               13                      13
ADI                                      26                      32
Max LVORI                                 4                       4
Stability               F     D     C     C     D     D     C     C     D     D
Ceiling              4700  6300  4000  8000  2400  3200  4000 10800  4000  4700
Sta Pres            28.03 28.04 28.05 28.02 28.05 28.06 28.06 28.01 28.01 28.00


Date           09/26  Thu 09/27/18  Fri 09/28/18  Sat 09/29/18  Sun 09/30/18
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          78      65    76      63    80      59    80      60    81
Temp          76 73   68 65 74 71   66 64 77 72   64 60 77 73   64 61 78 73
Dewpt         68 66   63 63 68 66   64 62 64 64   62 57 62 62   61 59 63 64
PWind Dir        SW      SW     S       S     W      NE    SW      SE     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   OV OV OV OV   OV OV B2 B1   SC SC B1 B1   SC SC SC SC
PoP 12hr         90      70    60      40    30      10    20      10    10
Rain shwrs     D  D    L  L  L  L    C  C  C  C          S  S
Tstms          C  C    S  S  S  S    S  S  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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