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

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Point Forecast Matrices
National Weather Service Morristown TN
335 AM EDT Sat Jul 22 2017

TNZ017-222100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
335 AM EDT Sat Jul 22 2017

Date             Sat 07/22/17            Sun 07/23/17            Mon 07/24/17
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                      92          70          89          70          88
Temp          70 70 83 89 91 87 76 73 72 72 81 87 88 84 77 74 72 72 81 86 87 83
Dewpt         69 70 71 69 68 69 70 70 69 71 72 71 67 69 69 68 68 69 68 68 66 68
RH            97100 67 52 47 55 82 90 90 97 74 59 50 61 76 82 87 90 65 55 50 61
Wind Dir       S  S SW SW  W SW  W  W SW SW  W SW SW  N  S  W  S  S SW  W  W SW
Wind Spd       0  0  4  6  6  3  1  1  2  6  8 10 11  5  6  3  3  4  5  6  6  3
Clouds        SC SC SC B1 B1 B1 SC SC SC B1 SC B1 B2 B2 OV B2 B2 B2 B1 B1 SC SC
PoP 12hr                     30          20          50          60          30
QPF 12hr                   0.03        0.03        0.19        0.22        0.24
Rain shwrs              C  C  S  S        C  C  C  C  L  L  C  C  C  C  C  C  S
Tstms                   C  C  S  S        C  C  C  C  L  L  C  C  C  C  C  C  S
Obvis         PF


Date          Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          68    87      67    87      68    87      69    84
Temp          72 70 85 82   71 69 85 82   72 70 85 83   73 71 82 80
Dewpt         68 68 67 67   67 68 67 68   68 68 68 69   69 69 69 70
PWind Dir        SW    NW       E     W      SW     W      SW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC SC B1 B1   SC SC SC SC   SC SC B1 B1   B1 B1 B2 B2
PoP 12hr         20    30      20    30      30    40      40    50
Rain shwrs     S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    C  C  C  C    C  C  C  C

$$

TNZ071-222100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
335 AM EDT Sat Jul 22 2017

Date             Sat 07/22/17            Sun 07/23/17            Mon 07/24/17
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                      95          75          90          72          88
Temp          77 76 87 92 94 90 83 80 77 77 84 88 89 86 79 76 74 74 82 86 87 84
Dewpt         72 72 73 70 69 70 72 73 73 73 74 73 69 71 72 71 70 70 70 71 70 70
RH            85 87 63 49 44 52 70 79 87 87 72 61 52 61 79 85 87 87 67 61 57 63
Wind Dir      SW  S SW SW SW SW SW SW SW SW SW SW SW SW SW  E  S  S  W  W  W SW
Wind Spd       0  1  4  8  9  6  5  5  5  8  9  9 11 10  2  9  3  4  6  9  6  5
Clouds        FW SC SC SC SC SC SC SC SC B1 SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1
PoP 12hr                     20          20          40          60          30
QPF 12hr                   0.01        0.01        0.16        0.38        0.17
Rain shwrs              S  S  S  S        S  S  C  C  L  L  C  C  C  C  S  S  S
Tstms                   S  S  S  S        S  S  C  C  L  L  C  C  C  C  S  S  S
Obvis         PF


Date          Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          73    88      72    89      72    89      72    87
Temp          76 75 86 84   76 74 87 85   76 74 87 85   76 74 85 83
Dewpt         71 71 70 69   70 70 70 70   71 70 70 71   71 71 72 71
PWind Dir        SW    NW      NE    NW      SW     W      SW    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 SC B1 B1   B1 SC B1 SC   SC SC B1 SC   B1 SC B2 B1
PoP 12hr         20    30      20    30      20    30      30    50
Rain shwrs     S  S  C  C    S  S  C  C    S  S  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    S  S  C  C    C  C  C  C

$$

TNZ036-222100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
335 AM EDT Sat Jul 22 2017

Date             Sat 07/22/17            Sun 07/23/17            Mon 07/24/17
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                      95          76          91          73          89
Temp          76 75 87 92 94 90 81 78 78 78 85 89 90 87 80 77 75 75 83 87 88 85
Dewpt         73 73 74 71 70 72 74 74 74 73 74 73 69 72 72 71 70 70 70 71 70 72
RH            90 94 65 51 46 56 79 88 88 85 70 59 50 61 77 82 84 84 65 59 55 65
Wind Dir       S  S SW SW SW SW  W SW SW SW SW SW SW SW NE  E NW SW SW SW  W SW
Wind Spd       0  0  4  4  5  4  2  2  2  5  6  9 11  9  3  2  3  5  5  8  5  4
Clouds        FW FW SC SC SC SC SC SC SC B1 SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1
PoP 12hr                     20          20          50          60          40
QPF 12hr                   0.01        0.01        0.16        0.41        0.12
Rain shwrs              S  S  S  S        C  C  C  C  L  L  C  C  C  C  C  C  S
Tstms                   S  S  S  S        C  C  C  C  L  L  C  C  C  C  C  C  S


Date          Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          72    89      71    89      71    89      72    87
Temp          76 74 87 85   75 73 87 85   75 73 87 85   76 74 85 83
Dewpt         71 71 70 70   71 70 70 71   72 70 70 71   72 71 72 72
PWind Dir         W    NW       W    NW       W     W       W    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 SC B1 B1   B1 SC B1 SC   SC SC B1 B1   B1 SC B2 B1
PoP 12hr         20    30      20    30      20    30      30    50
Rain shwrs     S  S  C  C    S  S  C  C    S  S  C  C    C  C  C  C
Tstms          S  S  C  C    S  S  C  C    S  S  C  C    C  C  C  C

$$

TNZ099-222100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
335 AM EDT Sat Jul 22 2017

Date             Sat 07/22/17            Sun 07/23/17            Mon 07/24/17
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                      96          76          92          74          89
Temp          78 77 87 93 95 91 83 80 78 78 86 90 91 88 81 78 76 76 83 87 88 85
Dewpt         73 73 74 71 71 72 73 74 73 74 74 72 70 71 73 73 72 72 72 72 72 72
RH            85 87 65 49 46 54 72 82 85 88 68 56 50 57 77 85 87 87 70 61 59 65
Wind Dir       S  S  S SW SW SW SW  S  S SW SW SW SW SW SW  W NE  S SW SW SW SW
Wind Spd       0  0  2  5  6  5  2  2  2  4  8  8  8  9  4  3  5  1  6  8  6  4
Clouds        FW FW SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B1 OV B1 B2 B1 B1
PoP 12hr                     20          20          40          50          50
QPF 12hr                   0.01        0.01        0.12        0.20        0.19
Rain shwrs              S  S  S  S        S  S  C  C  C  C  C  C  C  C  C  C  C
Tstms                   S  S  S  S        S  S  C  C  C  C  C  C  C  C  C  C  C
Obvis         PF


Date          Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          73    88      72    89      72    90      73    90
Temp          77 75 86 84   76 74 87 85   76 74 88 86   77 75 88 86
Dewpt         73 72 72 71   72 72 71 71   72 72 71 72   73 72 72 72
PWind Dir         W    NW      NW    NW      SW    NW       W     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1 B2 B1   B1 B1 B1 B1   SC SC SC SC   SC SC B1 B2
PoP 12hr         30    40      30    40      20    20      20    40
Rain shwrs     C  C  C  C    C  C  C  C    S  S  S  S    S  S  C  C
Tstms          C  C  C  C    C  C  C  C    S  S  S  S    S  S  C  C

$$

NCZ060-222100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
335 AM EDT Sat Jul 22 2017

Date             Sat 07/22/17            Sun 07/23/17            Mon 07/24/17
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                      91          69          89          70          86
Temp          68 69 83 88 90 84 75 72 71 71 81 87 88 84 77 74 72 72 80 84 85 82
Dewpt         68 69 75 72 73 75 73 71 69 71 74 74 71 72 72 70 69 69 71 73 72 71
RH           100100 77 59 58 74 94 97 93100 79 65 57 67 85 87 90 90 74 70 65 69
Min/Max RH                   56         100          57          93          65
Wind Dir      NE  N  S SW SW  S  E  E  E  W  W SW SW SW  W  W  N  S SW  W  W  W
Wind Dir Deg   4  2 19 23 22 18  7  8 10 24 24 23 22 23 25 26 33 17 22 25 26 25
Wind Spd       0  0  2  4  4  3  2  2  2  3  4  5  6  6  5  3  1  2  4  6  6  3
Clouds        FW SC SC B1 B1 B1 SC SC SC B1 SC B1 B1 B1 B1 B2 B1 B2 B1 B2 B2 B1
Clouds (%)    24 33 47 52 55 54 43 38 41 53 49 59 62 62 57 77 68 78 62 73 73 65
Vsby           4  4 10 10 10  9  6  5
PoP 12hr                     40          30          40          50          30
QPF 12hr                   0.10        0.01        0.20        0.20        0.23
Rain shwrs           S  C  C  C  C        S  S  C  C  C  C  C  C  C  C  C  C  S
Tstms                S  C  C  C  C        S  S  C  C  C  C  C  C  C  C  C  C  S
Obvis         PF
Haines                        4                       3
LAL               1     3     3     3     2     3     3     3     3     3     3
Max Mix Hgt                6100                    6700
AGL Mix Hgt                4400                    5000
Max Vent Rt               30400                   40000
T Wind Dir                   SW                       W
T Wind Spd                    6                       8
ADI                          26                      35
Max LVORI                     4                       4
Stability         G     B     B     G     F     B     B     F     F     B     B
Ceiling        NONE  5500  6300  6300  NONE  5500 14800 14800 14800  5500  9800
Sta Pres      27.98 27.96 27.91 27.91 27.92 27.90 27.89 27.91 27.92 27.93 27.94


Date          Tue 07/25/17  Wed 07/26/17  Thu 07/27/17  Fri 07/28/17
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          69    87      68    86      68    87      69    86
Temp          73 71 85 82   72 70 84 82   72 70 85 83   73 71 84 82
Dewpt         69 69 71 72   70 69 72 72   69 68 71 73   70 70 72 73
PWind Dir        NW    NW       N    NW      SW    NW       W     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1 B2 B1   B1 B1 B1 B1   SC SC SC SC   SC SC B1 B1
PoP 12hr         20    40      20    40      20    30      20    50
Rain shwrs     S  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C
Tstms          S  S  C  C    S  S  C  C    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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