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

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Point Forecast Matrices
National Weather Service Morristown TN
1008 PM EDT Wed May 23 2018

TNZ017-240900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
1008 PM EDT Wed May 23 2018

Date           05/23/18      Thu 05/24/18            Fri 05/25/18            Sat
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      60          82          62          82          63
Temp                69 65 61 63 73 79 81 76 67 64 62 65 77 82 82 77 68 66 64 65
Dewpt               65 62 60 60 63 62 61 61 60 60 61 62 63 64 64 64 63 62 62 63
RH                  87 90 97 90 71 56 51 60 78 87 97 90 62 55 55 64 84 87 93 93
Wind Dir            NE NE NE  E  E  E  E  E  E  E  E SE SE  S  S  S  S  S  S  S
Wind Spd             2  2  2  3  4  5  5  4  3  2  1  1  3  5  5  3  2  2  1  1
Clouds              SC SC SC SC SC B1 SC SC SC SC SC B1 B1 B1 B1 B1 B2 B1 B2 B2
PoP 12hr                      5          20          10          40          20
QPF 12hr                      0        0.04           0        0.07        0.02
Rain shwrs                          S  S              C  C  C  C  S  S  S  S  L
Tstms                               S  S              S  S  C  C  C  C  S  S  L


Date           05/26  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          81      65    81      62    80      63    82      64    82
Temp          80 76   68 67 81 76   64 63 80 77   65 65 82 77   66 65 81 77
Dewpt         68 67   64 65 67 66   63 63 68 67   64 65 68 67   65 65 69 68
PWind Dir         S       S    SE       E     E       E     E       E    SE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 B2 B2 B2   B2 B2 B1 OV   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         60      40    60      50    70      40    60      40    60
Rain shwrs     L  L    C  C  L  L    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          L  L    S  S  S  S    S  S  L  L    S  S  L  L    S  S  S  S

$$

TNZ071-240900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
1008 PM EDT Wed May 23 2018

Date           05/23/18      Thu 05/24/18            Fri 05/25/18            Sat
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      67          87          67          83          67
Temp                74 71 68 69 78 84 86 81 74 70 68 69 78 82 83 79 72 69 67 69
Dewpt               67 65 65 65 66 66 65 66 65 65 65 65 66 67 67 66 65 64 65 66
RH                  79 81 90 87 67 55 50 60 74 84 90 87 67 61 59 64 79 84 93 90
Wind Dir            NE NE NE NE NE  N NE  E NE  N  N NE SE SW  S  S SW SW SW  S
Wind Spd             3  3  3  4  3  4  5  4  3  2  2  2  4  5  5  4  3  2  2  2
Clouds              SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2
PoP 12hr                      5          30          10          40          30
QPF 12hr                      0        0.06           0        0.10        0.02
Rain shwrs                       S  C  C              C  C  C  C  C  C  S  S  L
Tstms                            S  C  C              S  S  C  C  C  C  S  S  L


Date           05/26  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          84      67    83      66    83      67    85      68    86
Temp          83 79   70 69 82 78   69 67 82 78   70 68 84 80   70 70 83 82
Dewpt         68 69   68 67 69 68   66 65 69 69   68 67 68 68   68 67 69 70
PWind Dir        SW       S     E       E    NE      NE    NE       E     E
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 B2 B2 B2   B2 B2 B1 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         60      40    60      50    70      40    60      30    60
Rain shwrs     L  L    C  C  L  L    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          L  L    S  S  S  S    S  S  L  L    S  S  L  L    S  S  S  S

$$

TNZ036-240900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
1008 PM EDT Wed May 23 2018

Date           05/23/18      Thu 05/24/18            Fri 05/25/18            Sat
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      66          88          67          84          68
Temp                74 70 67 68 79 85 87 80 74 71 67 69 79 84 84 80 73 71 69 70
Dewpt               64 63 63 64 65 64 64 65 65 65 65 66 66 67 67 67 66 66 66 66
RH                  71 78 87 87 62 50 46 60 74 81 93 90 64 57 57 65 79 84 90 87
Wind Dir            NE NE NE NE NE NE  E SE SW NW NE  E SE  S  S  S SW SW SW SW
Wind Spd             2  2  2  2  3  2  3  2  1  0  0  0  2  3  3  2  1  1  1  1
Clouds              SC SC SC SC SC SC B1 B1 SC B1 B1 B2 B2 B2 B2 B2 B1 B2 B2 B2
PoP 12hr                      5          30          10          40          30
QPF 12hr                      0        0.06           0        0.10        0.02
Rain shwrs                          S  S              C  C  C  C  C  C  S  S  L
Tstms                               S  C              S  S  C  C  C  C  S  S  L


Date           05/26  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          85      68    83      66    84      67    85      68    85
Temp          84 79   71 69 83 78   69 67 83 79   69 69 84 80   71 70 83 80
Dewpt         68 70   68 67 68 68   66 66 68 69   68 67 69 69   68 67 69 70
PWind Dir        SW       S     E      NE    NE      NE    NE      NE    SE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 B2 B2 B2   B2 B2 B1 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         60      40    60      50    70      40    60      30    60
Rain shwrs     L  L    C  C  L  L    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          L  L    S  S  S  S    S  S  L  L    S  S  L  L    S  S  S  S

$$

TNZ099-240900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
1008 PM EDT Wed May 23 2018

Date           05/23/18      Thu 05/24/18            Fri 05/25/18            Sat
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      68          87          69          84          69
Temp                76 72 70 71 79 85 86 81 75 72 69 70 77 84 83 79 74 72 69 70
Dewpt               67 66 65 66 66 66 64 66 67 67 67 67 67 67 67 67 67 67 67 67
RH                  74 81 84 84 64 53 48 60 76 84 93 90 71 57 59 67 79 84 93 90
Wind Dir             N  N  N NE NE NE  E  E  E SE SE SE SE SE SE  S  S  S  S  S
Wind Spd             2  2  2  3  3  3  4  4  2  1  1  2  4  6  5  4  3  2  2  2
Clouds              SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 OV B2 OV OV OV
PoP 12hr                     20          30          20          40          30
QPF 12hr                   0.01        0.05        0.03        0.15        0.10
Rain shwrs           S           S  C  C  S  S  S  S  C  C  C  C  C  C  C  C  L
Tstms                            S  C  C  S  S        S  S  C  C  C  C  S  S  L


Date           05/26  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          83      68    81      68    83      68    83      69    84
Temp          83 78   71 69 81 76   69 68 83 78   71 69 83 78   71 70 83 80
Dewpt         68 68   67 66 69 68   66 66 68 68   67 67 69 68   68 68 69 70
PWind Dir         S      SE    SE       E     E       E     E      SE    SE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV B2   B2 OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         60      50    70      50    70      40    60      30    60
Rain shwrs     L  L    C  C  L  L    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          L  L    S  S  S  S    S  S  L  L    S  S  L  L    S  S  S  S

$$

NCZ060-240900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
1008 PM EDT Wed May 23 2018

Date           05/23/18      Thu 05/24/18            Fri 05/25/18            Sat
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      61          83          66          81          64
Temp                66 63 62 63 75 81 82 76 71 68 66 67 77 81 81 77 70 66 65 65
Dewpt               66 62 60 63 67 66 67 66 66 66 65 65 66 67 67 66 65 64 64 65
RH                 100 97 93100 76 60 61 71 84 93 97 93 69 63 63 69 84 93 97100
Max/Min RH                  100          60          97          62         100
Wind Dir            SE SE  E  E SE  S NE  E SE SE SE  E SE  S  S SE SE SE SE SE
Wind Dir Deg        13 12 11 11 13 19  5 11 12 12 12 11 15 18 17 15 14 14 13 12
Wind Spd             2  1  2  2  1  2  3  2  2  2  1  1  2  4  3  3  2  2  1  0
Clouds              SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV
Clouds (%)          50 49 50 53 58 69 69 83 80 72 74 84 82 79 77 84 76 85 87 90
Vsby                10  5  4  4 10 10
PoP 12hr                     20          50          30          50          40
QPF 12hr                   0.01        0.15        0.04        0.11        0.04
Rain shwrs           S        S  C  C  C  S  S  C  C  C  C  C  C  C  C  C  C  L
Tstms                            C  C  C  S  S        S  S  C  C  C  C  S  S  L
Obvis                        PF
Haines                                    3                       3
LAL                     1     1     3     3     2     2     3     3     3     4
Max Mix Hgt                            4200                    6500
AGL Mix Hgt                            2500                    4800
Max Vent Rt                           11400                   55600
T Wind Dir                               SE                      SE
T Wind Spd                                4                      11
ADI                                      10                      48
Max LVORI                                 8                       4
Stability               G     F     B     B     F     D     B     B     D     D
Ceiling              NONE  NONE  5500  6300 14800  3200  4700  4000  4700 12700
Sta Pres            28.02 28.03 28.02 28.01 28.00 27.99 27.95 27.88 27.88 27.87


Date           05/26  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18  Wed 05/30/18
EDT 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          80      64    79      64    82      65    82      66    82
Temp          80 76   67 65 79 74   67 65 82 77   68 67 82 77   69 67 82 77
Dewpt         69 68   65 64 68 66   64 64 69 68   65 65 69 68   66 66 68 68
PWind Dir         S      SE    SE       E     E       E     E      SE    SE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   OV OV B2 B2   B2 OV B2 B2   B2 B2 B2 B2   B2 OV OV B2
PoP 12hr         60      50    60      50    70      50    60      40    60
Rain shwrs     L  L    C  C  L  L    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          L  L    S  S  S  S    S  S  L  L    S  S  L  L    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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