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

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Point Forecast Matrices
National Weather Service Morristown TN
956 AM EDT Thu Aug 17 2017

TNZ017-172100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
956 AM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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                      87          70          84          63          85
Temp                79 85 85 82 77 73 71 71 77 82 82 78 71 68 66 65 75 83 84 79
Dewpt               74 74 74 73 72 71 70 70 70 69 68 69 67 65 64 64 66 64 65 67
RH                  85 70 70 74 85 93 97 97 79 65 63 74 87 90 93 97 74 53 53 67
Wind Dir             S  S SW SW SW  S SW SW  W  W  W  W  W SW  E  E NW  W  W SW
Wind Spd             4  3  3  3  3  4  5  5  8  9  8  5  2  1  0  1  1  3  3  1
Clouds              B2 B2 B2 B1 B1 B1 B2 B2 B1 B1 SC SC SC FW SC SC FW SC FW FW
PoP 12hr                     50          40          30           5           0
QPF 12hr                   0.13        0.03        0.08           0           0
Rain shwrs           C  C  C  C  C  S  C  C  C  C  C
Tstms                   C  C  C  C  S  C  C  C  C  C


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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          65    89      67    87      68    87      69    84
Temp          69 67 86 83   72 69 85 81   72 70 85 82   73 70 82 78
Dewpt         63 64 63 68   66 65 66 71   67 67 69 71   68 68 70 69
PWind Dir        SE    SW       E    SW       S    SW      SW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW FW   FW FW FW SC   SC SC B1 B2   B1 B2 B2 B1
PoP 12hr          0     5       5    10      10    30      40    50
Rain shwrs                                       C  C    C  C  C  C
Tstms                                            C  C    C  C  C  C

$$

TNZ071-172100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
956 AM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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                      89          73          87          67          87
Temp                81 87 87 84 80 76 74 74 80 85 85 81 74 71 69 69 78 85 86 82
Dewpt               74 73 72 72 72 71 71 72 73 72 71 71 69 68 67 67 68 67 66 69
RH                  79 63 61 67 77 85 90 93 79 65 63 72 84 90 93 93 71 55 51 65
Wind Dir            SW SW SW SW SW SW SW SW SW  W  W  W  W SW SE SE NE NW NW  S
Wind Spd             6  8  8  6  5  5  5  4  5  9  8  3  2  1  1  1  2  2  2  2
Clouds              B2 B1 B1 B1 B1 B1 B2 B2 B1 B1 SC SC FW FW FW FW FW FW FW FW
PoP 12hr                     30          30          40           5           0
QPF 12hr                   0.06        0.03        0.06           0           0
Rain shwrs           S  C  C  C  C  S  C  C  C  C  S
Tstms                   C  C  C  C  S  C  C  C  C  S


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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    91      71    88      72    90      72    87
Temp          73 71 89 85   75 72 86 83   76 73 88 85   76 73 85 81
Dewpt         67 67 66 69   68 69 68 71   70 70 71 73   70 70 70 71
PWind Dir        SE     N      SE    SW      SW    SW      SW    SW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW FW   FW FW SC SC   SC SC B1 B1   B1 B1 B1 B1
PoP 12hr          0     5       5    10      10    30      40    50
Rain shwrs                                       C  C    C  C  C  C
Tstms                                            C  C    C  C  C  C

$$

TNZ036-172100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
956 AM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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                      90          73          87          67          87
Temp                82 88 88 85 80 76 74 74 80 85 85 81 74 71 69 69 78 85 86 82
Dewpt               73 74 72 73 72 72 71 72 73 71 70 71 68 67 66 67 68 67 66 69
RH                  74 63 59 67 77 87 90 93 79 63 61 72 82 87 90 93 71 55 51 65
Wind Dir            SW SW SW SW SW SW SW SW  W  W  W  W NW NW NW  N  E  W SW  S
Wind Spd             5  8  8  6  5  4  4  3  4  6  6  4  2  1  1  1  1  1  2  1
Clouds              B2 B1 B1 B1 B1 B1 B2 B2 B1 B1 SC FW FW FW FW SC FW FW FW FW
PoP 12hr                     30          40          30           5           0
QPF 12hr                   0.03        0.03        0.04           0           0
Rain shwrs           S  C  C  C  C  C  C  C  C  S
Tstms                   C  C  C  C  C  C  C  C  S


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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    91      71    89      72    90      72    87
Temp          73 71 89 85   75 72 87 84   76 73 88 85   76 73 85 81
Dewpt         67 67 67 71   69 69 69 72   70 70 71 73   71 70 71 72
PWind Dir         N     W      NE    SW       W    SW      SW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW FW   FW FW FW SC   SC SC B1 B1   B1 B1 B1 B2
PoP 12hr          0     5       5    10      10    30      40    50
Rain shwrs                                       C  C    C  C  C  C
Tstms                                            C  C    C  C  C  C

$$

TNZ099-172100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
956 AM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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          75          90          69          90
Temp                84 90 90 87 82 78 75 76 82 88 88 84 77 74 72 71 81 88 89 84
Dewpt               73 72 71 72 72 73 73 73 73 72 70 71 70 70 68 69 68 66 66 70
RH                  70 56 54 61 72 85 94 90 74 59 55 65 79 87 87 93 65 48 47 63
Wind Dir            SW SW SW SW SW SW SW SW  W  W  W NW NW NW  N  N NE NW  W  W
Wind Spd             5  8  8  5  3  2  1  1  3  6  6  3  2  1  1  1  2  2  1  1
Clouds              B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 SC FW FW FW FW FW FW FW FW FW
PoP 12hr                     30          40          30           0           0
QPF 12hr                   0.02        0.03        0.05           0           0
Rain shwrs           S  C  C  C  C  S  C  C  C  S
Tstms                   C  C  C  C  S  C  C  C  S


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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          71    93      72    91      74    92      74    89
Temp          75 73 91 87   77 74 89 86   78 75 90 87   78 75 87 84
Dewpt         69 69 67 69   70 71 69 71   72 72 70 71   72 71 71 72
PWind Dir         N     E       E     S       S    SW       W     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW FW   FW FW SC SC   SC SC B1 B1   SC B1 B1 B1
PoP 12hr          5     5       5    20      20    30      40    40
Rain shwrs                         S  S    S  S  C  C    C  C  C  C
Tstms                              S  S    S  S  C  C    C  C  C  C

$$

NCZ060-172100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
956 AM EDT Thu Aug 17 2017

Date             Thu 08/17/17            Fri 08/18/17            Sat 08/19/17
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                      88          69          85          64          87
Temp                79 86 86 82 77 72 69 70 77 83 83 79 72 69 67 66 77 84 86 81
Dewpt               73 72 71 73 71 70 69 70 71 71 69 70 68 67 65 65 66 64 64 68
RH                  82 63 61 74 82 93100100 82 67 63 74 87 93 93 97 69 51 48 65
Min/Max RH                   59         100          63         100          48
Wind Dir            SW SW  W  W SW SW  W NW  W  W  W NW NW  N NE NE  N NW  W NW
Wind Dir Deg        23 23 24 25 22 20 27 29 28 26 27 29 31  0  4  3 34 29 28 30
Wind Spd             3  5  6  5  4  3  4  1  4  8  6  3  2  1  1  1  2  3  4  2
Clouds              B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 SC SC FW FW FW FW FW FW FW FW
Clouds (%)          67 64 60 56 57 59 67 75 66 56 43 26 12 17 10 11  9 11 13 12
Vsby                10 10 10 10  7  4
PoP 12hr                     30          30          30           5           0
QPF 12hr                   0.08        0.03        0.06           0           0
Rain shwrs           C  C  C  C  C  S  C  C  C  C  C
Tstms                   C  C  C  C  S  C  C  C  C  C
Haines                        4                       4
LAL                     3     3     3     3     3     3     1     1     1     1
Max Mix Hgt                5800                    6300
AGL Mix Hgt                4100                    4600
Max Vent Rt               33100                   48000
T Wind Dir                    W                       W
T Wind Spd                    8                      10
ADI                          29                      42
Max LVORI                     4                       4
Stability               B     B     F     F     B     A     G     G     A     A
Ceiling              4700  5500 13800  4700  4700 23500  NONE  NONE 23500  NONE
Sta Pres            27.98 27.95 27.95 27.95 27.93 27.92 27.92 27.92 27.93 27.92


Date          Sun 08/20/17  Mon 08/21/17  Tue 08/22/17  Wed 08/23/17
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          66    91      68    86      69    88      69    87
Temp          71 68 88 84   73 69 84 81   73 71 86 82   73 70 85 81
Dewpt         65 65 66 71   67 68 68 72   69 68 70 72   69 68 70 71
PWind Dir        NE     N       S     S       S    SW      SW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW FW   FW FW SC SC   B1 B1 B2 B1   B1 SC B1 B1
PoP 12hr          5    10       5    20      30    40      30    40
Rain shwrs                         S  S    C  C  C  C    C  C  C  C
Tstms                              S  S    C  C  C  C    C  C  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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