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

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Point Forecast Matrices
National Weather Service Morristown TN
323 PM EDT Mon May 22 2017

TNZ017-230900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
323 PM EDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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                      59          73          58          73          54
Temp          74 71 66 63 61 61 67 71 72 70 64 61 60 60 67 71 72 69 62 58 56 55
Dewpt         60 60 59 58 58 59 59 60 60 59 58 57 57 57 59 60 60 58 57 54 53 53
RH            62 68 78 84 90 93 75 68 66 68 81 87 90 90 75 68 66 68 84 86 90 93
Wind Dir       W NE  E  E  S  E  E SE  E  E  E  S  E SE SE  S  S SW  W  W  W  W
Wind Spd       2  2  2  2  4  2  3  3  1  2  2  2  2  3  6  8  9  9  5  3  4  4
Clouds        SC B2 B2 OV OV OV OV OV B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2
PoP 12hr                     40          50          50          70          40
QPF 12hr                   0.07        0.29        0.09        0.46        0.13
Rain shwrs           S  C  C  C  C  C  C  C  C  C  C  L  L  C  C  C  C  C  C  L
Tstms                               S  S  S  S  S  S  S  S  S  S              S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          66      51    76      57    82      62    82      61    80
Temp          65 63   54 54 73 72   61 60 79 77   67 64 80 77   66 63 78 75
Dewpt         51 50   50 51 52 56   55 58 62 64   62 63 64 64   62 62 61 62
PWind Dir         W       W    SW      SW    SW      SW    SW      SW     W
Wind Char        GN      GN    GN      LT    GN      LT    GN      LT    LT
Avg Clouds    B2 B2   B1 B1 B1 SC   B1 B1 B1 B1   B1 B1 B2 B2   B1 B1 B1 B1
PoP 12hr         60      20    10      10    20      10    50      30    30
Rain shwrs     L  L    S  S                S  S          C  C    C  C  C  C
Tstms          S  S                        S  S          C  C    C  C  C  C

$$

TNZ071-230900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
323 PM EDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          76          61          74          55
Temp          74 72 67 64 63 63 70 74 75 73 67 64 63 63 69 72 73 70 63 59 57 57
Dewpt         60 60 59 60 61 62 61 61 62 61 60 60 60 61 62 60 59 57 55 54 54 53
RH            62 66 75 87 93 97 73 64 64 66 78 87 90 93 78 66 62 63 75 83 90 86
Wind Dir      NE NE  E SW  E NE  N NE  E SW SW SW  S  S SW SW SW SW SW SW SW SW
Wind Spd       4  1  1  1  4  4  3  5  5  3  2  3  4  8 10 14 13 11  8  4  5  6
Clouds        SC B2 OV OV OV OV B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B1 B1 OV B2
PoP 12hr                     40          50          60          80          40
QPF 12hr                   0.07        0.24        0.22        0.39        0.02
Rain shwrs           S  C  C  C  C  C  C  C  C  L  L  D  D  C  C  C  C  C  C  C
Tstms                               S  C  S  S  S  S  S  S  S  S              S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          70      55    80      62    84      67    83      66    83
Temp          68 67   58 58 77 76   66 65 81 80   71 69 81 79   70 68 81 78
Dewpt         51 52   52 53 55 58   58 60 63 64   64 65 67 67   65 65 62 64
PWind Dir        SW      SW    SW      SW    SW      SW    SW      SW     W
Wind Char        GN      GN    LT      LT    GN      GN    GN      GN    GN
Avg Clouds    B2 B2   SC SC SC SC   B1 B1 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1
PoP 12hr         40      10    10      10    20      20    50      30    30
Rain shwrs     C  C                        S  S    S  S  C  C    C  C  C  C
Tstms          S  S                        S  S    S  S  C  C    C  C  C  C

$$

TNZ036-230900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
323 PM EDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          76          61          76          54
Temp          76 73 68 65 63 63 70 74 75 73 67 64 63 63 70 74 75 71 63 59 56 56
Dewpt         58 58 57 58 59 60 59 59 60 60 59 60 59 59 61 59 57 56 54 53 52 52
RH            54 59 68 78 87 90 68 59 60 64 75 87 87 87 73 59 54 59 72 80 86 86
Wind Dir      NE NE NE NW  E NE  E NE  E  W  S  S SE  S SW SW SW SW  W  W SW SW
Wind Spd       2  1  1  2  4  3  2  5  5  2  0  1  1  3  5  9  8  6  4  2  3  3
Clouds        SC B2 B2 OV OV OV B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B1 B2 OV B2
PoP 12hr                     20          40          60          80          40
QPF 12hr                   0.01        0.18        0.22        0.38        0.02
Rain shwrs              S  S  C  C  C  C  C  C  L  L  D  D  C  C  C  C  C  C  C
Tstms                               S  C  S  S  S  S  S  S  S  S              S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          69      54    81      62    84      66    83      65    83
Temp          67 66   57 57 78 77   66 65 81 80   70 68 81 79   69 67 81 78
Dewpt         51 51   52 54 54 59   58 60 63 65   64 64 67 67   65 65 62 64
PWind Dir        SW      SW    SW      SW    SW      SW    SW      SW     W
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   SC SC SC SC   B1 B1 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1
PoP 12hr         50      10    10      10    20      30    50      30    30
Rain shwrs     C  C                        S  S    C  C  C  C    C  C  C  C
Tstms          S  S                        S  S    C  C  C  C    C  C  C  C

$$

TNZ099-230900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
323 PM EDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          77          63          75          54
Temp          78 75 70 67 65 65 71 75 76 74 69 66 65 64 70 74 74 70 63 59 56 56
Dewpt         60 63 64 64 63 63 62 63 62 62 62 61 61 61 61 59 58 56 55 54 53 53
RH            54 66 81 90 93 93 73 66 62 66 78 84 87 90 73 59 57 61 75 83 90 90
Wind Dir      NE  E  N SE  E SE SE  S SW  W  S  S  S  S  S SW SW  W  W  W SW SW
Wind Spd       5  3  1  2  2  2  6  5  6  4  2  2  4  4 10 11 12 11  6  2  3  4
Clouds        B1 B2 OV OV OV OV B2 B2 B1 B2 B2 OV OV OV B2 B1 B2 B1 B2 B1 B2 B2
PoP 12hr                     60          50          70          70          40
QPF 12hr                   0.17        0.19        0.28        0.21        0.02
Rain                    L  L
Rain shwrs     S  C  C        C  C  C  C  C  C  L  L  L  L  C  C  C  C  C  C  C
Tstms             C  C  C  C  S  S  C  C  S  S  S  S  S  S  S  S              S


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          73      55    83      64    86      67    84      66    83
Temp          71 69   59 58 80 79   68 67 83 82   71 69 82 80   70 68 81 78
Dewpt         51 53   53 54 56 62   61 62 62 65   65 66 68 68   66 66 64 67
PWind Dir         W      SW    SW       S     S       S    SW      SW     W
Wind Char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B1   FW FW FW FW   B1 B1 B1 B1   OV OV OV OV   B1 B1 B1 B1
PoP 12hr         30       5     5      10    10      30    50      30    30
Rain shwrs     C  C                                C  C  C  C    C  C  C  C
Tstms          S  S                                C  C  C  C    C  C  C  C

$$

NCZ060-230900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
323 PM EDT Mon May 22 2017

Date           05/22/17      Tue 05/23/17            Wed 05/24/17            Thu
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          75          60          72          50
Temp          78 75 68 65 63 63 69 73 74 72 66 63 62 61 67 71 71 67 59 55 52 52
Dewpt         63 64 63 62 62 62 62 63 62 63 60 60 60 61 62 61 60 58 55 53 52 52
RH            60 69 84 90 97 97 78 71 66 73 81 90 93100 84 71 68 73 87 93100100
Max/Min RH                  100          66         100          68         100
Wind Dir      NW  S  E  E  E  E  E SE  S  W  S  S  S  S SW SW SW  W  W  W SW SW
Wind Dir Deg  31 18 11 11 10 11  9 15 17 26 19 18 18 18 21 22 21 24 24 24 22 22
Wind Spd       2  1  2  2  4  4  3  4  6  3  1  1  2  2  5 10 10  6  3  1  2  2
Clouds        SC B2 OV OV OV OV OV B2 B2 B2 B2 B2 OV OV OV B2 B2 B1 B1 B1 OV B2
Clouds (%)    50 87 95100 94100 91 86 77 87 85 86 92100 99 78 79 63 59 67 89 75
Vsby          10 10  8  3  2  2  7 10
PoP 12hr                     70          60          70          80          40
QPF 12hr                   0.20        0.31        0.31        0.37        0.02
Rain                    L  L
Rain shwrs     S  C  L        L  L  C  C  C  C  L  L  D  D  C  C  C  C  C  C  C
Tstms             C  C  C  C  S  S  C  C  S  S  S  S  S  S  S  S              S
Haines                                    3                       4
LAL               3     3     3     3     3     2     2     2     2     1     2
Max Mix Hgt                            3700                    4200
AGL Mix Hgt                            2000                    2600
Max Vent Rt                           20400                   47000
T Wind Dir                                S                      SW
T Wind Spd                               10                      18
ADI                                      18                      41
Max LVORI                                 5                       4
Stability         B     D     D     B     B     D     D     B     B     F     F
Ceiling        6300  3200  2400  4700  5500  6300  4000  4700  5500  4000  2400
Sta Pres      27.87 27.80 27.73 27.68 27.63 27.62 27.55 27.52 27.50 27.53 27.58


Date           05/25  Fri 05/26/17  Sat 05/27/17  Sun 05/28/17  Mon 05/29/17
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          69      50    80      57    85      61    81      64    81
Temp          67 65   54 54 76 75   62 60 82 79   67 63 79 77   68 66 79 75
Dewpt         50 50   50 50 53 58   57 59 61 64   62 63 66 65   64 64 62 63
PWind Dir         W       W     W      SW    SW      SW    SW      SW     W
Wind Char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 B2   SC SC FW FW   B1 B1 SC SC   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr         40      10     5      10    10      20    50      30    30
Rain shwrs     C  C                                S  S  C  C    C  C  C  C
Tstms          S  S                                S  S  C  C    C  C  C  C

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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