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

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Point Forecast Matrices
National Weather Service Morristown TN
323 PM EDT Sun Jul 23 2017

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

Date           07/23/17      Mon 07/24/17            Tue 07/25/17            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                      69          90          67          88          67
Temp          84 79 74 74 71 71 82 88 89 83 75 72 69 69 80 86 87 83 75 72 69 69
Dewpt         70 69 70 70 69 69 68 67 67 69 68 68 68 68 68 68 68 68 67 66 66 67
RH            63 72 87 87 93 93 63 50 48 63 79 87 97 97 67 55 53 61 76 81 90 93
Wind Dir      SW SW SW  N  S SW SW SW SW  W NW NW NW NW NW NW  N NE NE  E  E  E
Wind Spd       8 10  6  2  2  1  4  4  4  5  3  2  2  2  3  4  4  4  3  2  2  2
Clouds        B1 B2 OV B2 B2 B1 B1 SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC
PoP 12hr                     60          10          10          20          10
QPF 12hr                   0.24           0           0        0.02           0
Rain shwrs     L  L  C  S                             S  S  S  S
Tstms          L  L  C  S                             S  S  S  S


Date           07/26  Thu 07/27/17  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17
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          88      67    87      69    83      66    84      64    82
Temp          86 83   72 69 85 83   73 71 81 79   70 68 82 79   68 66 80 78
Dewpt         66 68   68 67 67 68   68 68 70 68   68 66 64 65   64 64 66 65
PWind Dir        SE       S    SW      SW     W      NW     N      NE    NE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC   B1 SC SC SC   B1 B1 B2 B2   B2 B1 B1 B1   SC SC B1 B1
PoP 12hr         10      10    30      40    60      50    40      20    50
Rain shwrs                   C  C    C  C  L  L    C  C  C  C    S  S  C  C
Tstms                        C  C    C  C  L  L    C  C  C  C    S  S  C  C

$$

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

Date           07/23/17      Mon 07/24/17            Tue 07/25/17            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                      73          90          71          90          71
Temp          88 85 79 77 75 75 83 88 89 84 77 75 73 73 82 88 89 85 78 75 73 73
Dewpt         71 71 72 73 72 72 72 71 70 72 72 72 72 71 71 71 71 70 70 70 70 70
RH            57 63 79 87 90 90 70 57 54 67 85 90 97 93 69 57 56 61 76 84 90 90
Wind Dir       W  S SW  W  S SW SW SW SW SW SW SW SW  S  W NW  N  N NE  E  E  E
Wind Spd       9  6  6  3  4  3  4  5  6  6  4  3  3  3  4  5  5  5  4  3  3  3
Clouds        SC B2 B2 OV B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     60          10          10          20          10
QPF 12hr                   0.27           0           0        0.05           0
Rain shwrs     C  C  L  C  S                          S  S  S  S
Tstms          C  C  L  C  S                          S  S  S  S


Date           07/26  Thu 07/27/17  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17
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          91      71    89      72    84      70    85      67    85
Temp          89 86   75 73 87 85   76 73 83 81   73 72 83 81   71 69 83 81
Dewpt         69 69   70 69 69 70   71 70 72 69   70 68 68 67   67 65 65 65
PWind Dir         N      SW    SW      SW    SW      NW     N      NE     N
Wind Char        LT      LT    LT      LT    GN      LT    LT      LT    LT
Avg Clouds    SC SC   SC SC SC SC   B1 B1 B2 B2   B2 B1 B1 B1   SC SC SC SC
PoP 12hr         10      10    30      30    60      50    40      20    20
Rain shwrs                   C  C    C  C  L  L    C  C  C  C    S  S  S  S
Tstms                        C  C    C  C  L  L    C  C  C  C    S  S  S  S

$$

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

Date           07/23/17      Mon 07/24/17            Tue 07/25/17            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                      73          91          71          90          72
Temp          89 85 80 77 75 75 84 89 90 85 78 75 73 73 82 88 89 86 79 76 74 74
Dewpt         71 72 73 73 72 72 72 71 69 72 72 72 72 71 71 71 71 71 70 70 71 71
RH            56 65 79 87 90 90 67 56 50 65 82 90 97 93 69 57 56 61 74 82 90 90
Wind Dir       W  S  W  W SW SW SW SW SW SW SW SW  W NW NW  N  N NE NE NE NE NE
Wind Spd       8  6  6  4  1  2  3  5  6  3  2  2  2  2  3  3  3  3  3  2  2  2
Clouds        SC B2 OV OV B2 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC
PoP 12hr                     60          10          10          20          10
QPF 12hr                   0.27           0           0        0.04           0
Rain shwrs     C  C  L  S  S                          S  S  S  S
Tstms          C  C  L  S  S                          S  S  S  S


Date           07/26  Thu 07/27/17  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17
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          91      71    89      72    84      69    86      66    85
Temp          89 86   75 73 87 85   76 73 83 80   72 71 84 81   70 68 83 81
Dewpt         68 70   70 70 69 71   71 70 73 70   70 68 67 67   66 65 65 65
PWind Dir         S      SW    SW      SW    SW      NW     N       N     N
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC   SC SC SC SC   B1 B2 B2 B2   B2 B1 B1 B1   SC SC SC SC
PoP 12hr         10      10    30      30    60      50    40      10    20
Rain shwrs                   C  C    C  C  L  L    C  C  C  C          S  S
Tstms                        C  C    C  C  L  L    C  C  C  C          S  S

$$

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

Date           07/23/17      Mon 07/24/17            Tue 07/25/17            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                      74          90          73          90          73
Temp          87 85 81 78 76 76 84 88 89 85 79 77 75 75 83 88 89 86 79 77 75 75
Dewpt         73 71 71 72 71 71 73 72 71 72 73 73 73 73 73 72 72 72 72 72 72 72
RH            63 63 72 82 85 85 70 59 56 65 82 87 94 94 72 59 57 63 79 85 90 90
Wind Dir      SW SW SW SW NE  N SW SW SW SW  W  W  W NW NW  N  N  N  N  N  N  N
Wind Spd       8  6  4  1  3  2  3  4  3  5  3  2  2  2  3  3  3  3  3  2  2  2
Clouds        B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC
PoP 12hr                     40          20          20          40          20
QPF 12hr                   0.16        0.08        0.03        0.05        0.02
Rain shwrs     C  S  S  C  C  S  S  S  S  S  S        C  C  C  C  S  S  S  S  S
Tstms          C  S  S  C  C  S  S  S  S  S  S        C  C  C  C  S  S  S  S  S


Date           07/26  Thu 07/27/17  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17
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          91      72    90      73    88      71    86      69    87
Temp          89 86   76 74 88 86   77 75 86 84   75 73 84 82   73 71 85 82
Dewpt         70 70   71 71 69 73   73 72 73 72   72 70 70 68   67 66 65 67
PWind Dir         N      SE    SW      SW    SW       W     N       N     N
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC B1   SC SC SC SC   B1 B1 B2 B2   B2 B1 B1 B1   SC FW SC SC
PoP 12hr         20      10    30      40    60      50    40      20    20
Rain shwrs     S  S          C  C    C  C  L  L    C  C  C  C    S  S  S  S
Tstms          S  S          C  C    C  C  L  L    C  C  C  C    S  S  S  S

$$

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

Date           07/23/17      Mon 07/24/17            Tue 07/25/17            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                      69          88          67          88          68
Temp          84 81 75 73 71 71 80 86 87 82 75 71 69 69 80 86 87 83 76 72 70 70
Dewpt         76 75 73 70 69 69 71 72 71 74 71 69 68 69 70 71 72 72 70 68 68 69
RH            77 82 94 90 93 93 74 63 59 77 87 93 97100 72 61 61 70 82 87 93 97
Max/Min RH                   97          59         100          59         100
Wind Dir       W SW SW  W  N  W NW  W  W  W  W  W NW NW NW NW  N  N NE  E  E NE
Wind Dir Deg  25 22 22 26 34 26 30 25 26 26 27 27 29 31 31 30 33  1  5  8  7  6
Wind Spd       9  4  4  1  3  2  2  4  3  3  2  2  2  2  3  3  3  3  3  2  2  2
Clouds        B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC
Clouds (%)    66 62 73 79 83 72 66 59 61 57 58 59 59 60 58 57 55 52 52 36 36 35
Vsby          10 10  6  4  2  0 10 10
PoP 12hr                     40          20          20          30          20
QPF 12hr                   0.19        0.07        0.01        0.07        0.02
Rain shwrs     C  S  C  C  C  S  S  S  S  S  S        C  C  C  C  S  S  S  S  S
Tstms          C  S  C  C  C  S  S  S  S  S  S        C  C  C  C  S  S  S  S  S
Haines                                    5                       5
LAL               3     3     3     2     2     2     3     3     3     2     2
Max Mix Hgt                            3800                    5100
AGL Mix Hgt                            2200                    3400
Max Vent Rt                           17300                   11800
T Wind Dir                                W                      NW
T Wind Spd                                8                       3
ADI                                      15                      10
Max LVORI                                 5                       8
Stability         B     F     F     B     B     F     F     B     B     G     G
Ceiling        4700 13800  3200  6300 13800 13800  8000  6300  7200  NONE  8000
Sta Pres      27.85 27.87 27.88 27.91 27.91 27.96 28.00 28.01 28.00 28.02 28.02


Date           07/26  Thu 07/27/17  Fri 07/28/17  Sat 07/29/17  Sun 07/30/17
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          87      68    87      67    83      67    83      64    84
Temp          85 82   72 70 85 82   71 69 81 79   71 69 81 78   68 66 82 79
Dewpt         71 72   68 68 69 71   69 69 71 70   68 68 69 70   66 65 67 68
PWind Dir        SE      SE     W      SW     W       W    NW       N    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC B1   B1 SC SC SC   SC B1 B2 B2   B2 B1 B2 B1   B1 SC SC SC
PoP 12hr         20      10    30      30    60      40    40      20    30
Rain shwrs     S  S          C  C    C  C  L  L    C  C  C  C    S  S  C  C
Tstms          S  S          C  C    C  C  L  L    C  C  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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