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

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Point Forecast Matrices
National Weather Service Morristown TN
313 AM EDT Thu May 25 2017

TNZ017-252100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
313 AM EDT Thu May 25 2017

Date             Thu 05/25/17            Fri 05/26/17            Sat 05/27/17
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                      62          52          79          59          84
Temp          55 54 58 61 62 60 56 54 53 55 68 76 78 74 67 64 61 62 74 81 83 79
Dewpt         52 51 50 52 52 52 52 51 50 51 55 55 55 58 57 56 57 60 64 67 67 67
RH            90 90 75 72 70 75 86 90 89 86 63 48 45 57 70 75 87 93 71 63 59 67
Wind Dir      SW SW SW SW SW  W  W  W  W SW  W  W SW  S SE  S SW SW SW SW  W SW
Wind Spd       9  9 16 18 19 14 12 12  9  6  9 10  9  4  3  4  5  6  9  8  8  5
Wind Gust                 29
Clouds        B2 B2 B2 OV OV OV OV B1 B1 SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B1
PoP 12hr                     90          30           5          20          50
QPF 12hr                   0.30        0.04           0        0.05        0.21
Rain shwrs     S  S  L  D  L  S  S                    S  S  S  S  C  C  C  C  C
Tstms                                                             C  C  C  C  C


Date          Sun 05/28/17  Mon 05/29/17  Tue 05/30/17  Wed 05/31/17
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    80      63    79      59    78      56    77
Temp          69 66 78 76   67 65 77 74   64 61 76 73   61 59 74 72
Dewpt         65 65 67 67   62 62 61 61   60 57 57 57   55 56 52 56
PWind Dir        SW    SW       W     W      SW     W       W     W
Wind Char        LT    GN      LT    LT      LT    LT      LT    GN
Avg Clouds    B1 B2 OV B2   B2 B2 B2 B1   B1 B1 B1 B1   SC FW SC SC
PoP 12hr         50    60      60    50      20    20      20    20
Rain shwrs     C  C  L  L    L  L  C  C    S  S  S  S    S  S  S  S
Tstms          C  C  L  L    L  L  C  C    S  S  S  S          S  S

$$

TNZ071-252100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
313 AM EDT Thu May 25 2017

Date             Thu 05/25/17            Fri 05/26/17            Sat 05/27/17
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                      69          55          81          65          85
Temp          56 56 63 67 68 66 61 58 57 57 70 78 80 77 72 69 67 67 77 83 84 81
Dewpt         51 51 51 51 52 53 52 52 50 53 55 58 61 62 60 59 60 62 64 66 68 68
RH            83 83 65 56 57 63 72 80 77 86 59 50 52 60 66 70 78 84 64 57 59 65
Wind Dir      SW SW SW SW  W  W SW SW SW SW SW SW SW SW  S  S  S SW SW SW SW SW
Wind Spd       6  9 17 19 19 14  8  6  5  5  6  9  8  4  4  8  9  9 10  9 11  8
Wind Gust              29 29
Clouds        B1 B2 B2 OV B2 B1 SC FW CL FW FW SC SC SC SC B1 B1 B2 B2 B2 B1 SC
PoP 12hr                     50           5           5          10          30
QPF 12hr                   0.15           0           0           0        0.13
Rain shwrs     S  S  C  C  S                                      C  C  C  C  C
Tstms                                                             C  C  C  C  C


Date          Sun 05/28/17  Mon 05/29/17  Tue 05/30/17  Wed 05/31/17
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    83      67    79      63    80      60    80
Temp          73 71 81 79   71 68 78 75   67 65 78 75   65 62 78 75
Dewpt         66 67 67 67   64 65 62 62   62 59 58 59   57 58 56 59
PWind Dir        SW    SW      SW    SW      SW    SW       W     W
Wind Char        LT    GN      LT    GN      LT    GN      LT    LT
Avg Clouds    SC B2 B2 OV   B2 B2 B2 B1   B1 B1 B1 B1   SC SC SC SC
PoP 12hr         50    60      50    50      20    20      10    20
Rain shwrs     C  C  L  L    C  C  C  C    S  S  S  S          S  S
Tstms          C  C  L  L    C  C  C  C    S  S  S  S          S  S

$$

TNZ036-252100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
313 AM EDT Thu May 25 2017

Date             Thu 05/25/17            Fri 05/26/17            Sat 05/27/17
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                      70          55          84          65          85
Temp          56 56 64 68 69 67 61 58 57 58 72 80 83 80 73 69 67 67 77 83 84 81
Dewpt         51 51 51 51 52 52 52 52 51 52 55 58 61 61 62 60 59 61 64 66 67 69
RH            83 83 63 54 55 59 72 80 80 80 55 47 47 52 68 73 75 81 64 57 57 67
Wind Dir      SW SW SW  W  W  W  W SW SW SW SW SW  S  S  S  S  S SW SW SW SW SW
Wind Spd       4  6 14 17 17 11  6  4  3  3  5  8  9  5  3  5  6  8 10  9  9  4
Clouds        B1 B2 OV OV B2 B1 FW FW FW FW FW SC SC SC SC B1 B1 B2 B2 B2 B1 B1
PoP 12hr                     50           5           5          20          30
QPF 12hr                   0.15           0           0        0.02        0.14
Rain shwrs     S  S  C  C  S                          S  S  S  S  C  C  C  C  C
Tstms                                                             C  C  C  C  C


Date          Sun 05/28/17  Mon 05/29/17  Tue 05/30/17  Wed 05/31/17
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    83      66    80      62    80      59    80
Temp          72 70 81 79   70 68 78 76   66 64 78 75   64 62 77 75
Dewpt         67 66 66 67   65 64 62 61   62 59 58 59   56 57 55 59
PWind Dir        SW    SW      SW    SW       W    SW       W     W
Wind Char        LT    GN      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B2 B2 B2   B2 B2 B2 B1   B1 B1 B1 B1   SC SC SC SC
PoP 12hr         50    60      60    50      20    20      10    20
Rain shwrs     C  C  L  L    L  L  C  C    S  S  S  S          S  S
Tstms          C  C  L  L    L  L  C  C    S  S  S  S          S  S

$$

TNZ099-252100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
313 AM EDT Thu May 25 2017

Date             Thu 05/25/17            Fri 05/26/17            Sat 05/27/17
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                      75          55          85          65          88
Temp          56 57 67 72 74 70 63 60 57 58 73 81 84 80 73 70 67 68 79 85 87 84
Dewpt         53 52 51 50 50 52 53 53 51 53 55 60 58 61 61 61 61 62 62 66 68 69
RH            90 83 56 46 43 53 70 78 80 83 53 49 41 52 66 73 81 81 56 53 53 61
Wind Dir       W  W  W  W  W  W SW SW  S  S SW SW SW  S  S  S  S  S SW SW SW SW
Wind Spd       6  8 13 14 13  8  4  3  2  1  4  6  9  6  5  5  5  6  8  8 11  6
Clouds        B2 B2 B2 B1 SC SC FW CL CL FW FW SC SC SC SC SC SC B1 B1 B2 B1 SC
PoP 12hr                     10           0           5          10          20
QPF 12hr                      0           0           0           0        0.05
Rain shwrs     C                                                  S  S  S  S  C
Tstms                                                             S  S  S  S  C


Date          Sun 05/28/17  Mon 05/29/17  Tue 05/30/17  Wed 05/31/17
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    85      67    81      64    83      62    82
Temp          73 71 83 81   71 69 79 77   68 66 81 78   67 64 80 77
Dewpt         68 68 68 69   67 65 64 64   61 61 57 61   60 59 56 62
PWind Dir        SW    SW      SW     W       W     W      NW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC B2 OV B2   B1 B2 B2 B1   B1 SC SC SC   SC SC SC SC
PoP 12hr         40    60      60    40      20    20      10    20
Rain shwrs     C  C  L  L    L  L  C  C    S  S  S  S          S  S
Tstms          C  C  L  L    L  L  C  C    S  S  S  S          S  S

$$

NCZ060-252100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
313 AM EDT Thu May 25 2017

Date             Thu 05/25/17            Fri 05/26/17            Sat 05/27/17
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                      68          48          81          60          85
Temp          52 52 61 66 67 63 56 53 50 53 68 77 80 76 69 65 62 63 75 82 84 80
Dewpt         50 50 50 50 50 51 51 50 48 52 52 57 59 60 59 58 59 61 62 63 63 67
RH            93 93 67 56 54 65 83 89 93 96 57 50 49 58 70 78 90 93 64 53 49 65
Min/Max RH                   54         100          49          97          49
Wind Dir       W  W  W  W  W  W  W  W  W NW NW  W SW SW SE  S  S  S SW SW SW SW
Wind Dir Deg  26 27 26 25 25 26 26 26 28 29 29 26 23 20 15 18 18 19 21 21 23 23
Wind Spd       2  6 11 13 12 10  6  4  2  1  8  8  6  4  2  2  3  3  6 10  9  4
Clouds        B2 OV B2 B2 B1 SC SC FW CL CL FW FW SC SC SC SC SC B2 B1 B1 B1 SC
Clouds (%)    81 89 74 84 68 34 27 17  3  4 13 19 37 29 38 47 43 72 63 60 58 35
Vsby          10  7 10 10 10 10 10 10
PoP 12hr                     20           5           5           0          20
QPF 12hr                   0.04           0           0           0        0.05
Rain shwrs     C  S  S  S                                         S  S  S  S  C
Tstms                                                             S  S  S  S  C
Haines                        4                       4
LAL               1     1     1     1     1     1     1     1     2     2     3
Max Mix Hgt                5600                    6700
AGL Mix Hgt                3900                    5000
Max Vent Rt               89400                   74400
T Wind Dir                    W                       W
T Wind Spd                   23                      14
ADI                          78                      65
Max LVORI                     4                       4
Stability         D     C     B     G     G     B     A     G     F     B     A
Ceiling        1700  5500  6300  NONE  NONE  5500 15900 15900  4700  4700 14800
Sta Pres      27.59 27.64 27.70 27.82 27.89 27.92 27.89 27.91 27.95 27.92 27.88


Date          Sun 05/28/17  Mon 05/29/17  Tue 05/30/17  Wed 05/31/17
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    82      65    79      61    80      58    80
Temp          70 67 80 78   69 67 77 75   65 63 78 75   63 61 77 74
Dewpt         64 66 68 67   64 64 64 61   62 59 56 59   58 58 54 59
PWind Dir        SW    SW       W    SW       W     W      NW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC B2 B2 B2   B2 B2 B2 B1   B1 SC B1 SC   SC SC SC SC
PoP 12hr         40    60      50    50      20    20      10    20
Rain shwrs     C  C  L  L    C  C  C  C    S  S  S  S          S  S
Tstms          C  C  L  L    C  C  C  C    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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