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

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Point Forecast Matrices
National Weather Service Morristown TN
329 AM EDT Tue Aug 22 2017

TNZ017-222100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
329 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      89          69          80          59          79
Temp          67 67 78 86 88 83 76 73 71 70 75 79 79 74 67 64 62 61 70 77 78 72
Dewpt         66 67 70 67 65 67 67 67 68 68 70 69 67 64 61 59 56 57 58 55 56 55
RH            97100 76 53 47 59 74 81 90 93 84 72 67 71 81 84 81 87 66 47 47 55
Wind Dir       S  S SW SW SW SW SW SW NW  W  W NW  N  N  N NE NE  E  N  N  N  N
Wind Spd       0  2  6  8 10  6  6  6  5  2  2  4  6  4  4  3  3  2  6  5  5  4
Clouds        SC SC SC SC SC SC SC B2 OV OV OV B2 B2 B1 SC SC FW SC CL FW FW FW
PoP 12hr                     10          40          60          20          10
QPF 12hr                      0        0.13        0.14        0.01           0
Rain shwrs                    C  C  C  C  L  C  C  C  S
Tstms                         C  C  C  C  C  C  C  C  S
Obvis         PF PF


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          56    79      60    79      61    79      61    78
Temp          61 58 76 73   64 62 77 74   65 62 77 74   65 62 76 73
Dewpt         55 55 56 59   58 59 63 62   61 61 62 62   59 59 60 60
PWind Dir        NE    NE      NE     N      SE    SE      SE    SE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW SC   SC SC B1 B2   B1 B1 B2 B2   B2 B1 B2 B2
PoP 12hr          5     5       5    20      10    30      20    20
Rain shwrs                         S  S          C  C    S  S  S  S
Tstms                              S  S          C  C    S  S  S  S

$$

TNZ071-222100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
329 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      90          71          82          62          82
Temp          73 73 82 88 89 84 78 75 73 73 78 81 81 76 69 66 64 64 73 80 81 76
Dewpt         69 70 72 69 67 70 69 70 70 70 71 70 68 65 63 62 59 60 59 58 58 57
RH            87 90 72 54 48 63 74 84 90 90 79 69 65 69 81 87 84 87 62 47 46 52
Wind Dir       S  S SW SW SW SW SW SW SE  N  N  N  N  N  N  N NE NE NE NE NE NE
Wind Spd       1  3  8  9 10  6  6  6  2  3  3  4  5  4  5  3  3  3  8  8  8  5
Clouds        SC B1 SC SC SC SC SC B2 OV OV OV B2 B1 B1 SC FW FW SC FW FW FW FW
PoP 12hr                     10          40          60          20           5
QPF 12hr                      0        0.12        0.25        0.01           0
Rain shwrs                    C  C  C  C  L  L  C  C  S
Tstms                         C  C  C  C  C  C  C  C  S
Obvis         PF PF


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          61    83      64    83      65    82      64    80
Temp          66 63 81 77   68 66 81 78   69 66 80 77   68 65 78 75
Dewpt         57 57 59 60   59 60 64 65   63 63 65 65   65 63 63 64
PWind Dir        NE    NE      NE    NW       E    SE       E     E
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW SC   SC SC B1 B1   B1 B1 B2 B2   B2 B2 OV B2
PoP 12hr          5     5       5    20      10    40      20    20
Rain shwrs                         S  S          C  C    S  S  S  S
Tstms                              S  S          C  C    S  S  S  S

$$

TNZ036-222100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
329 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      90          72          82          62          82
Temp          73 73 82 88 89 85 79 76 74 73 78 81 81 76 69 66 64 64 73 80 81 76
Dewpt         69 69 72 70 69 71 71 70 70 70 69 68 66 64 61 60 57 59 59 57 57 57
RH            87 87 72 55 52 63 77 82 87 90 74 65 60 66 76 81 78 84 62 45 44 52
Wind Dir      SW SW SW SW SW SW SW  W NE  N  N  N  N  N  N  N  N  N NE NE NE NE
Wind Spd       0  1  6  8  9  6  5  4  2  4  4  5  6  5  4  4  4  4  6  6  6  5
Clouds        SC SC SC SC SC SC B1 B2 OV OV OV B2 B1 SC FW FW FW SC CL FW FW FW
PoP 12hr                     20          60          60          10           5
QPF 12hr                   0.02        0.17        0.17           0           0
Rain shwrs              S  S  L  L  L  L  L  C  C  C
Tstms                   S  S  L  L  L  L  C  C  C  C


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          60    83      63    84      64    82      64    80
Temp          65 62 80 77   67 65 82 78   68 65 80 77   68 65 78 75
Dewpt         56 56 58 60   58 58 63 65   63 63 65 65   64 64 63 64
PWind Dir        NE    NE      NE    NW       N    SW      SE    SE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW SC   SC SC B1 B1   B1 B1 B2 B2   B2 B2 OV B2
PoP 12hr          0     5       5    20      10    40      20    30
Rain shwrs                         S  S          C  C    S  S  C  C
Tstms                              S  S          C  C    S  S  C  C

$$

TNZ099-222100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
329 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      93          74          85          66          85
Temp          75 75 84 91 92 87 81 78 76 75 80 84 84 79 73 70 68 68 77 83 84 79
Dewpt         70 71 72 69 68 70 70 70 70 71 71 70 69 67 65 65 61 61 60 59 58 58
RH            84 87 67 49 46 57 69 76 82 87 74 63 61 67 76 84 78 78 56 44 41 49
Wind Dir       S  S SW SW SW SW SW SW SW  N NW  N  N  N  N  N  N  N NE NE NE NE
Wind Spd       0  1  5  6  6  5  3  4  4  2  4  5  5  6  6  5  5  5  9  9  8  5
Clouds        SC SC SC SC SC SC FW SC B2 OV B2 OV B2 B2 B1 SC FW FW CL FW CL FW
PoP 12hr                     10          40          60          20           5
QPF 12hr                      0        0.05        0.38        0.01           0
Rain shwrs                    C  C  C  C  L  L  C  C  S
Tstms                         C  C  C  C  C  C  C  C  S
Obvis         PF PF


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          64    85      66    85      68    83      67    81
Temp          69 66 83 79   70 68 83 80   72 69 81 78   71 68 79 77
Dewpt         58 58 62 62   61 61 66 66   66 66 64 65   65 64 63 64
PWind Dir        NE    NE      NE     E       E    SE      SE    SE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW FW SC   SC SC B1 B2   B1 B2 B2 B2   B2 B2 B2 OV
PoP 12hr          5     5       5    20      10    40      20    30
Rain shwrs                         S  S          C  C    S  S  C  C
Tstms                              S  S          C  C    S  S  C  C

$$

NCZ060-222100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
329 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      89          67          83          61          83
Temp          67 67 78 86 88 83 75 72 70 69 76 81 82 77 69 66 64 63 73 81 82 76
Dewpt         67 67 71 68 67 69 67 67 67 68 70 70 69 68 66 63 60 61 63 60 60 61
RH           100100 79 55 50 63 76 84 90 97 82 69 65 74 90 90 87 93 71 49 47 60
Min/Max RH                   50         100          65          93          47
Wind Dir       E SE SW SW SW SW  S SW SW  W  W NW NW NW  N  N  N NE  N NW NW  N
Wind Dir Deg   8 12 21 22 22 23 19 20 21 26 28 30 31 32 34  1  1  4  1 32 32 34
Wind Spd       1  2  2  4  6  4  2  3  3  5  3  5  6  5  5  4  3  3  3  4  5  5
Clouds        SC SC SC SC SC FW SC FW B1 B2 B2 B2 B2 B2 SC SC FW SC FW SC FW FW
Clouds (%)    37 34 34 38 39 24 27 22 54 71 80 82 75 72 50 39 19 36 25 27  9 11
Vsby           2  1 10 10 10 10  6  4
PoP 12hr                     20          30          60          20          10
QPF 12hr                   0.02        0.04        0.38        0.01           0
Rain shwrs              S  S  C  C  C  C  L  C  C  C  S  S
Tstms                   S  S  C  C  C  C  C  C  C  C  S
Obvis         PF PF
Haines                        4                       4
LAL               1     2     3     3     3     3     3     2     1     1     1
Max Mix Hgt                8300                    5100
AGL Mix Hgt                6600                    3500
Max Vent Rt               52900                   27800
T Wind Dir                    W                      NW
T Wind Spd                    8                       8
ADI                          46                      24
Max LVORI                     4                       5
Stability         G     A     A     G     E     C     B     G     G     A     B
Ceiling        NONE  5500  6300  NONE  9800  9800  NONE  1700  NONE  NONE  NONE
Sta Pres      28.07 28.04 27.95 27.94 27.91 27.89 27.86 27.87 27.87 27.88 27.89


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          60    83      63    82      63    80      63    80
Temp          65 62 80 77   67 65 80 76   67 64 78 75   67 64 78 75
Dewpt         58 58 62 66   62 62 66 66   63 62 63 65   62 60 61 64
PWind Dir        NE     E       E    SE       E    SE       E    SE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    FW FW SC SC   SC SC B2 B2   B2 B1 B2 B2   B2 B2 B2 B2
PoP 12hr          5    10      10    30      10    30      20    20
Rain shwrs                         C  C          C  C    S  S  S  S
Tstms                              C  C          C  C    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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