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

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Point Forecast Matrices
National Weather Service Morristown TN
252 PM EDT Tue May 22 2018

TNZ017-230900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
252 PM EDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            Fri
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                      63          81          59          83          61
Temp          79 76 70 67 65 65 74 79 80 77 69 64 62 62 73 80 82 78 70 66 63 64
Dewpt         65 66 64 63 62 64 66 66 65 64 61 59 58 59 62 62 62 63 61 59 59 61
RH            62 71 81 87 90 97 76 64 60 64 76 84 87 90 68 54 51 60 73 78 87 90
Wind Dir       W SW  S SW SW SW  W NW  N  N NE NE NE  E  E SE SE  E  E  E  E SE
Wind Spd       3  3  1  2  1  2  3  4  4  4  4  4  3  4  4  5  6  3  4  3  4  2
Clouds        B2 OV B2 B2 B2 B2 B2 B1 SC FW FW FW FW SC SC SC SC SC SC FW SC SC
PoP 12hr                     50          30           5          10           5
QPF 12hr                   0.11        0.03           0           0           0
Rain shwrs     L  C  C  C  C  C  C  S  S
Tstms          L  C  C  C  C        S  S


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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      63    82      64    80      63    80      64    82
Temp          81 79   68 65 80 78   68 66 78 76   67 65 78 76   68 66 80 78
Dewpt         66 65   62 63 65 66   63 64 67 68   65 65 69 67   65 65 68 68
PWind Dir         S      SE     S      SE    SE      SE    SE      SE     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    SC B1   B1 B2 B2 B2   B2 B2 B2 OV   OV OV OV OV   B2 B2 B2 B2
PoP 12hr         30      30    50      50    60      50    60      40    60
Rain shwrs        C    C  S  C  C    C  C  L  L    C  C  L  L    C  C  L  L
Tstms             C    C     C  C          L  L          L  L          L  L

$$

TNZ071-230900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
252 PM EDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            Fri
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          85          65          86          66
Temp          80 78 72 69 68 68 77 83 84 81 74 70 67 68 78 83 85 81 74 71 68 68
Dewpt         67 68 67 66 65 67 69 67 66 67 64 63 62 63 65 64 64 66 65 64 64 65
RH            65 71 84 90 90 97 76 59 55 63 71 78 84 84 64 53 50 60 74 79 87 90
Wind Dir      NW  S SW SW SW SW NW  N  N  N NE NE NE NE NE NE  E SW  S  S  S  S
Wind Spd       4  4  3  2  2  2  2  3  5  4  4  3  3  6  5  4  3  0  0  0  2  1
Clouds        B2 B2 B2 B2 B2 B2 SC B1 B1 SC SC SC SC SC SC B1 B1 B1 SC SC B1 B1
PoP 12hr                     30          30          10          20          20
QPF 12hr                   0.09        0.05           0        0.01        0.01
Rain shwrs     L  C  C  C  C  C  C  S  S                    S  S  S           C
Tstms          L  C  C  C  C        S  S                    S  S  S           C


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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          86      67    84      66    83      67    83      68    84
Temp          84 82   71 69 82 80   70 68 81 79   71 69 81 80   71 70 82 80
Dewpt         67 68   65 66 66 68   66 66 69 69   67 67 68 69   67 67 68 69
PWind Dir        SW       S     S      SE     E       E     E      SE     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B2   B2 OV OV B2   B2 B2 B2 OV   B2 OV B2 B2   B2 B2 B2 B2
PoP 12hr         40      30    50      50    60      50    60      40    60
Rain shwrs     C  C    C  S  C  C    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          C  C    C     C  C          L  L          L  L          L  L

$$

TNZ036-230900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
252 PM EDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            Fri
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          85          64          86          66
Temp          80 78 72 69 68 68 77 83 84 81 73 69 66 67 77 83 85 81 74 71 68 69
Dewpt         66 68 67 66 65 67 70 66 68 65 64 63 62 63 64 63 63 66 65 65 65 66
RH            62 71 84 90 90 97 79 57 59 58 73 81 87 87 64 51 48 60 74 81 90 90
Wind Dir      NW  S SW  W SW SW NE NE  N  N NE  N NE NE NE  E  E SE NW  W SW  S
Wind Spd       5  2  1  1  1  1  1  3  4  3  3  4  3  5  5  5  4  3  0  0  1  1
Clouds        B2 B2 B1 B1 B2 B2 B1 B1 B1 SC SC FW SC SC SC SC SC SC SC SC B1 B1
PoP 12hr                     30          20          10          10          10
QPF 12hr                   0.07        0.02           0           0           0
Rain shwrs     L  C  C  C  C  S  S                                            C
Tstms          L  C  C  C  C                                                  C


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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          87      67    84      67    83      67    83      67    84
Temp          84 82   72 69 82 80   71 69 81 79   71 69 81 79   71 69 82 80
Dewpt         67 68   65 66 66 68   67 66 70 70   68 67 69 70   67 67 68 70
PWind Dir         S       S     S      SE     E       E     E      SE     S
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B2   B2 OV OV B2   B2 B2 B2 OV   B2 OV B2 B2   B2 B2 B2 B2
PoP 12hr         40      30    50      50    60      50    60      40    60
Rain shwrs     C  C    C  S  C  C    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          C  C    C     C  C          L  L          L  L          L  L

$$

TNZ099-230900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
252 PM EDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            Fri
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          86          67          86          68
Temp          81 79 74 71 70 70 79 84 85 82 75 72 69 69 78 84 85 82 76 72 70 70
Dewpt         69 68 68 67 67 67 67 66 66 68 66 66 64 65 66 66 66 68 67 66 66 66
RH            67 69 82 87 90 90 67 55 53 63 74 81 84 87 67 55 53 63 74 81 87 87
Wind Dir       S  E SE SE  E  E NE NE NE SW SE  S  E NE  E NE SE  S  S  S SE SE
Wind Spd       5  3  2  1  1  2  3  3  5  0  1  1  0  2  3  3  4  5  4  4  5  4
Clouds        B2 B2 B2 B2 B2 B2 B1 SC B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2
PoP 12hr                     40          30          20          40          20
QPF 12hr                   0.10        0.05        0.01        0.05        0.02
Rain shwrs     L  C  C  C  C  C  C  C  C  S  S              C  C  S           C
Tstms          L  C  C  C  C        C  C  S  S              C  C  S           C


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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      68    82      68    82      68    81      69    82
Temp          82 80   72 70 80 79   71 70 80 79   71 70 79 78   72 71 80 79
Dewpt         68 67   65 66 66 67   66 66 68 68   68 67 70 69   68 67 69 69
PWind Dir         S      SE    SE      SE    SE      SE     E      SE    SE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 OV OV B2   B2 OV OV OV   OV OV B2 B2   B2 B2 OV B2
PoP 12hr         50      30    50      50    60      50    60      40    60
Rain shwrs     C  C    C  S  C  C    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          C  C    C     C  C          L  L          L  L          L  L

$$

NCZ060-230900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
252 PM EDT Tue May 22 2018

Date           05/22/18      Wed 05/23/18            Thu 05/24/18            Fri
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                      63          82          62          84          65
Temp          77 75 69 66 65 65 74 80 81 79 71 67 64 65 75 81 83 80 73 69 67 67
Dewpt         66 68 65 64 62 64 67 68 68 67 63 62 60 62 66 66 67 66 64 64 64 64
RH            69 79 87 93 90 97 79 67 65 67 76 84 87 90 74 60 59 62 73 84 90 90
Max/Min RH                   97          65          93          58          93
Wind Dir       S SE SE  E  E  E NE NW  W SE  S  S  S  S SE SE  S  S SE SE SE SE
Wind Dir Deg  16 14 13 11 11  9  6 29 27 14 18 18 19 16 14 14 16 16 15 15 14 14
Wind Spd       5  3  2  2  2  1  2  3  4  1  2  2  1  1  2  3  5  3  3  3  3  3
Clouds        B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B2 B2
Clouds (%)    86 78 78 83 80 83 71 74 62 54 45 36 43 49 54 58 59 60 64 67 74 82
Vsby          10 10  5  5  4  1 10 10
PoP 12hr                     50          50          20          40          20
QPF 12hr                   0.14        0.10        0.01        0.16        0.05
Rain shwrs     L  C  C  C  C  C  C  C  C  S  S        S  S  C  C  S           C
Tstms          L  C  C  C  C        C  C  S  S        S  S  C  C  S           C
Haines                                    4                       4
LAL               4     3     3     3     3     2     2     3     3     2     3
Max Mix Hgt                            3900                    4800
AGL Mix Hgt                            2300                    3100
Max Vent Rt                            5200                   24900
T Wind Dir                                N                      SE
T Wind Spd                                2                       8
ADI                                       5                      22
Max LVORI                                 7                       4
Stability         B     D     D     B     B     G     G     B     B     F     D
Ceiling        9800  8000  5500  5500  5500 23500  NONE  4700  5500  1700  3200
Sta Pres      27.97 28.00 28.02 28.00 27.98 28.01 28.02 28.01 27.99 28.00 27.99


Date           05/25  Sat 05/26/18  Sun 05/27/18  Mon 05/28/18  Tue 05/29/18
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          82      63    78      64    78      64    80      64    79
Temp          80 78   67 65 76 75   67 66 76 75   67 66 78 76   68 66 77 76
Dewpt         67 63   62 64 67 66   64 64 67 67   64 64 68 67   65 64 67 67
PWind Dir        SE      SE    SE      SE    SE      SE    SE      SE    SE
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   B2 OV OV B2   B2 OV OV OV   OV OV OV B2   B2 B2 OV B2
PoP 12hr         50      30    50      50    60      50    60      40    60
Rain shwrs     C  C    C  S  C  C    C  C  L  L    C  C  L  L    C  C  L  L
Tstms          C  C    C     C  C          L  L          L  L          L  L

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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