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 Sat May 27 2017

TNZ017-272100-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
313 AM EDT Sat May 27 2017

Date             Sat 05/27/17            Sun 05/28/17            Mon 05/29/17
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                      78          62          80          63          80
Temp          58 59 69 76 77 74 69 66 64 66 76 80 79 76 68 66 63 66 74 79 79 75
Dewpt         57 58 60 62 62 62 62 62 62 63 64 64 64 64 63 63 63 62 62 61 60 60
RH            96 96 73 62 60 66 78 87 93 90 66 58 60 66 84 90100 87 66 54 52 60
Wind Dir      SW SW SW SW SW SW  S SW SW  S  S SW SW  W  W  W  W  W  W  W  W  W
Wind Spd       8  5  6  8 10  5  4  4  5  3  5  8  9 10  8  6  5  6  8  9  8  5
Clouds        B1 B1 B2 B2 B2 OV OV B1 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
PoP 12hr                     50          70          70          60          40
QPF 12hr                   0.26        0.14        0.26        0.34        0.10
Rain shwrs              S  C  L  L        C  C  L  L  L  L  C  C  C  C  C  C  S
Tstms                   S  C  L  L        C  C  L  L  L  L  C  C  C  C  C  C  S


Date          Tue 05/30/17  Wed 05/31/17  Thu 06/01/17  Fri 06/02/17
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          58    79      58    79      59    79      59    78
Temp          62 61 77 73   60 61 78 73   61 61 77 74   60 61 77 70
Dewpt         59 59 55 60   58 60 58 62   59 61 60 63   58 60 61 62
PWind Dir        SW     W      SW    SW       W     W      NW    NW
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B1 B1 SC   B1 SC B1 B1   SC SC B1 B1   B1 B2 B2 B2
PoP 12hr         20    10      10    30      20    20      20    20
Rain shwrs     S  S                C  C    S  S  S  S    S  S  S  S
Tstms          S  S                S  S    S  S  S  S    S  S  S  S

$$

TNZ071-272100-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
313 AM EDT Sat May 27 2017

Date             Sat 05/27/17            Sun 05/28/17            Mon 05/29/17
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                      81          65          83          66          81
Temp          66 67 74 79 80 77 72 69 67 69 77 82 82 78 72 68 67 67 74 79 81 77
Dewpt         60 61 63 65 66 66 66 65 65 66 68 69 69 68 67 66 66 65 65 64 63 62
RH            81 81 69 62 62 69 81 87 93 90 74 65 65 71 84 93 97 93 74 60 54 60
Wind Dir      SW SW SW SW SW NE SW  S  S SW SW SW SW SW SW SW SW SW  W  W SW SW
Wind Spd      10  8  6  9  9  3  3  4  3  6 11 13 12 10  9  9  9  8  8  8  6  5
Clouds        SC B2 B2 B2 OV OV B2 B1 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1
PoP 12hr                     70          60          60          60          40
QPF 12hr                   0.31        0.03        0.17        0.44        0.15
Rain shwrs              C  L  L  L        L  L  L  L  L  L  C  C  C  C  C  C  S
Tstms                   C  L  L  L        L  L  L  L  L  L  C  C  C  C  C  C  S


Date          Tue 05/30/17  Wed 05/31/17  Thu 06/01/17  Fri 06/02/17
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          63    81      63    82      63    82      64    81
Temp          67 64 79 76   65 65 81 78   66 64 81 78   66 65 80 78
Dewpt         63 62 59 61   59 63 62 64   62 63 63 64   61 63 62 64
PWind Dir        SW    SW      SW    SW      SW     W       W     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 SC B1 SC   B1 B1 SC B1   SC B1 B1 B1   B1 B2 B2 B2
PoP 12hr         20    10      10    30      20    20      20    20
Rain shwrs     S  S                C  C    S  S  S  S    S  S  S  S
Tstms          S  S                S  S    S  S  S  S    S  S  S  S

$$

TNZ036-272100-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
313 AM EDT Sat May 27 2017

Date             Sat 05/27/17            Sun 05/28/17            Mon 05/29/17
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                      79          65          83          67          82
Temp          63 64 72 77 78 76 71 68 67 68 77 82 82 80 74 71 68 68 73 79 82 78
Dewpt         61 61 63 65 66 67 66 66 66 66 68 69 69 68 68 67 66 65 64 63 62 60
RH            93 90 73 67 67 74 84 93 97 93 74 65 65 67 82 87 93 90 73 58 51 54
Wind Dir      SW SW SW  S SW NW  W SW  S SW SW SW SW  W SW SW SW SW SW SW SW SW
Wind Spd       6  5  4  9  9  2  3  3  2  4  6  8  8  6  5  4  4  4  5  6  5  3
Clouds        B1 B2 B2 B2 OV OV B2 B1 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1
PoP 12hr                     80          50          60          60          30
QPF 12hr                   0.40        0.04        0.19        0.40        0.10
Rain shwrs              C  D  C  C     S  L  L  L  L  L  L  C  C  C  C  C  C  S
Tstms                   C  D  C  C     S  L  L  L  L  L  L  C  C  C  C  C  C  S


Date          Tue 05/30/17  Wed 05/31/17  Thu 06/01/17  Fri 06/02/17
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    82      62    83      63    82      63    81
Temp          65 62 80 77   64 64 82 79   67 65 80 79   66 64 79 77
Dewpt         62 62 59 62   59 62 62 63   62 63 63 64   61 62 63 63
PWind Dir         W    SW      SW    SW      SW     W       W     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 SC SC B1   B1 B1 SC B1   SC SC B1 B1   B2 B2 B2 B2
PoP 12hr         20    20      10    30      20    20      20    20
Rain shwrs     S  S  S  S          C  C    S  S  S  S    S  S  S  S
Tstms          S  S  S  S          S  S    S  S  S  S    S  S  S  S

$$

TNZ099-272100-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
313 AM EDT Sat May 27 2017

Date             Sat 05/27/17            Sun 05/28/17            Mon 05/29/17
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                      81          69          87          69          83
Temp          66 67 74 79 80 78 74 72 70 71 80 86 86 82 76 71 70 70 78 83 82 79
Dewpt         61 61 63 66 67 69 69 68 67 68 69 70 70 69 68 67 66 66 65 65 64 63
RH            84 81 69 64 65 74 84 87 90 90 69 59 59 65 76 87 87 87 64 55 55 58
Wind Dir       S SW SW  S  S  S SW  S  E SW SW SW SW SW SW  S SW  W  W  W  W  W
Wind Spd       5  4  4  5 10  4  2  2  1  4  8  9 10  9  8  6  5  5  5  5  4  3
Clouds        SC B1 B2 B2 B2 OV B2 B1 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2
PoP 12hr                     70          50          60          60          40
QPF 12hr                   0.20        0.04        0.11        0.28        0.16
Rain shwrs              C  L  C  C     S  L  L  L  L  L  L  C  C  C  C  C  C  C
Tstms                   C  L  C  C     S  L  L  L  L  L  L  C  C  C  C  C  C  S


Date          Tue 05/30/17  Wed 05/31/17  Thu 06/01/17  Fri 06/02/17
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    84      64    84      64    83      65    83
Temp          70 66 83 80   67 66 83 79   68 66 82 80   68 66 83 80
Dewpt         65 64 59 63   63 64 64 65   65 64 62 66   64 64 63 65
PWind Dir         W     W      SW    SW      SW     W      NW     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B1 B1 SC   SC SC B1 B1   SC SC B1 B1   B2 B2 B2 B2
PoP 12hr         30    10      10    30      20    20      20    20
Rain shwrs     C  C                C  C    S  S  S  S    S  S  S  S
Tstms          S  S                S  S    S  S  S  S    S  S  S  S

$$

NCZ060-272100-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
313 AM EDT Sat May 27 2017

Date             Sat 05/27/17            Sun 05/28/17            Mon 05/29/17
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                      80          65          85          65          79
Temp          58 59 70 77 79 76 71 68 67 66 78 84 84 79 70 66 65 66 74 79 78 74
Dewpt         58 58 61 64 64 65 64 64 63 66 68 70 70 69 68 66 65 66 66 66 65 65
RH           100 96 73 64 60 69 79 87 87100 71 63 63 72 93100100100 76 64 64 74
Min/Max RH                   60         100          61         100          62
Wind Dir       S SW  W SW SW SW SW  W NE SW SW SW SW SW  W NW  N  N NW  W  W  W
Wind Dir Deg  18 21 25 23 23 21 21 25  6 20 21 23 22 20 26 31 34  2 31 24 25 25
Wind Spd       3  3  4  5 10  5  2  5  1  3  8 10  9  5  3  2  1  2  5  8  6  4
Clouds        SC B1 B1 B2 B2 OV OV B1 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
Clouds (%)    44 53 69 80 77100 90 65 70 92 92 87 87 84 84 87 87 78 78 73 73 87
Vsby           7  7 10 10 10  9  8  6
PoP 12hr                     60          70          60          60          40
QPF 12hr                   0.10        0.14        0.13        0.34        0.17
Rain shwrs              C  L  L  L  S     C  C  L  L  L  L  C  C  C  C  C  C  C
Tstms                   C  L  L  L  S     C  C  L  L  L  L  C  C  C  C  C  C  S
Haines                        3                       3
LAL               1     3     4     4     3     4     4     4     3     3     3
Max Mix Hgt                6600                    6200
AGL Mix Hgt                5000                    4500
Max Vent Rt               56900                   56700
T Wind Dir                    W                       W
T Wind Spd                   11                      12
ADI                          50                      49
Max LVORI                     4                       4
Stability         F     C     D     E     D     C     C     D     F     B     B
Ceiling        5500  4700  4700  NONE  4000  4000 20800 12700 13800  9800 10800
Sta Pres      27.93 27.91 27.89 27.88 27.89 27.88 27.84 27.86 27.90 27.94 27.96


Date          Tue 05/30/17  Wed 05/31/17  Thu 06/01/17  Fri 06/02/17
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    79      58    82      60    80      61    80
Temp          63 61 78 72   61 60 81 75   63 62 79 74   63 63 80 75
Dewpt         62 61 58 60   59 60 61 65   60 62 60 64   60 63 61 64
PWind Dir         W    NW       W    SW      SW     W       W     W
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2 B2 SC   SC SC B1 B1   B1 SC B1 B1   B2 B2 B2 B2
PoP 12hr         30    10      10    30      20    20      20    20
Rain shwrs     C  C                C  C    S  S  S  S    S  S  S  S
Tstms          S  S                S  S    S  S  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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