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

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6
000
FOUS54 KMRX 211914
PFMMRX

Point Forecast Matrices
National Weather Service Morristown TN
314 PM EDT Sat Apr 21 2018

TNZ017-220900-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
314 PM EDT Sat Apr 21 2018

Date           04/21/18      Sun 04/22/18            Mon 04/23/18            Tue
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                      43          71          47          63          50
Temp          70 65 54 47 43 47 59 67 71 65 58 53 50 48 56 60 62 60 56 53 52 51
Dewpt         29 34 37 36 35 36 38 37 38 41 44 43 44 42 47 48 49 46 48 47 49 49
RH            22 31 52 65 73 65 45 33 30 41 59 69 80 80 72 64 62 60 74 80 89 93
Wind Dir      SW  E SE SE  E SE SE SE  S SE  E SE SE SE  E  E  E  E SE  E  E  E
Wind Spd       3  2  4  3  3  3  5  8  8  6  9 10 13 17 16 13 16 18 17 12 10  8
Clouds        FW FW FW FW SC SC B1 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV
PoP 12hr                      0          20          40          60          50
QPF 12hr                      0        0.01        0.02        0.36        0.19
Rain                                   S
Rain shwrs                                S  C  C  C  L  L  L  L  C  C  C  C  L


Date           04/24  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18
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          68      51    67      48    65      45    65      41    65
Temp          65 64   55 52 64 62   53 49 62 60   50 46 62 59   47 42 61 59
Dewpt         51 53   50 50 53 52   50 48 47 47   44 44 44 44   40 39 37 42
PWind Dir        SE       S     W      NW     W       W     W       W     W
Wind Char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg Clouds    OV B2   OV OV OV B2   B2 B2 B2 B1   B1 SC B1 B2   B2 B1 SC SC
PoP 12hr         60      40    50      40    30      20    30      30    10
Rain shwrs     L  L    C  C  C  C    C  C  C  C    S  S  C  C    C  C
Tstms          S  S

$$

TNZ071-220900-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
314 PM EDT Sat Apr 21 2018

Date           04/21/18      Sun 04/22/18            Mon 04/23/18            Tue
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                      49          68          52          67          53
Temp          72 67 59 53 49 51 59 64 66 64 59 56 54 53 60 65 66 64 59 57 55 54
Dewpt         33 35 39 41 43 42 43 44 46 48 51 49 51 49 52 53 54 51 53 52 53 52
RH            24 30 47 64 80 71 55 48 48 56 75 77 90 86 75 65 65 63 80 83 93 93
Wind Dir       N NE  S SE  E  E  E NE  E  E  E  E  E  E  E  E SE SE  E SE  W NE
Wind Spd       1  2  2  3  2  2  4  2  8 10  6  9  9 10 10 16 11  9  5  2  2  4
Clouds        FW FW FW SC SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                      5          60          70          60          70
QPF 12hr                      0        0.03        0.24        0.44        0.21
Rain                             S  C  L
Rain shwrs                                L  L  L  L  L  L  L  L  L  L  L  L  L
Tstms                                                          S  S


Date           04/24  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18
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          70      54    68      50    67      48    66      44    67
Temp          67 66   58 55 66 64   55 51 64 62   53 49 63 61   50 45 63 62
Dewpt         55 56   52 52 53 52   50 48 48 49   47 47 46 47   44 41 41 43
PWind Dir         S       W    NW       N    NW      SW     W       W    NW
Wind Char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg Clouds    OV B2   B2 B2 B2 B2   B2 B2 B2 B1   SC SC B1 B1   B2 B1 FW FW
PoP 12hr         60      30    30      20    20      10    20      30    10
Rain shwrs     L  L    C  C  C  C    S  S  S  S          S  S    C  C
Tstms          S  S

$$

TNZ036-220900-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
314 PM EDT Sat Apr 21 2018

Date           04/21/18      Sun 04/22/18            Mon 04/23/18            Tue
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                      49          67          52          67          53
Temp          72 67 57 52 49 51 59 64 66 63 59 56 54 53 60 65 66 64 59 57 55 54
Dewpt         31 34 39 41 42 42 43 44 46 49 51 49 51 50 52 54 54 52 53 51 53 52
RH            22 29 51 66 77 71 55 48 48 60 75 77 90 89 75 68 65 65 80 80 93 93
Wind Dir       S  E NW  S NE NE  E NE NE  E  E  E  E  E  E  E  E  E  E  E NE  E
Wind Spd       2  2  1  2  1  2  4  3  8 12  6  6  8  9 11 13 10  8  6  3  2  2
Clouds        FW FW FW SC B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                      5          60          80          70          70
QPF 12hr                      0        0.03        0.24        0.44        0.21
Rain                             S  C  L
Rain shwrs                                L  L  L  D  L  L  L  L  L  L  L  L  L
Tstms                                                    S  C     S


Date           04/24  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18
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          70      52    68      50    68      47    66      43    68
Temp          67 66   57 53 65 64   55 51 65 63   52 48 63 60   49 44 64 62
Dewpt         56 57   52 52 53 52   49 48 47 49   47 47 47 47   44 41 40 43
PWind Dir         S      NW    NW      NW    NW      SW     W      NW    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV OV   OV OV B2 B2   B2 B2 B2 B1   SC SC B1 B2   B2 B1 FW FW
PoP 12hr         60      30    30      20    20      20    20      30    10
Rain shwrs     L  L    C  C  C  C    S  S  S  S    S  S  S  S    C  C
Tstms          S  S

$$

TNZ099-220900-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
314 PM EDT Sat Apr 21 2018

Date           04/21/18      Sun 04/22/18            Mon 04/23/18            Tue
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                      53          64          55          67          55
Temp          73 70 59 55 53 54 59 62 64 62 59 57 56 56 62 65 66 64 60 58 57 56
Dewpt         32 35 42 44 45 47 48 49 50 51 52 52 53 52 53 55 56 53 57 54 55 54
RH            22 27 53 66 74 77 67 62 60 67 78 83 90 86 72 70 70 67 90 86 93 93
Wind Dir      SE SE SE SE SE SE SE SE  E SE SE  E SE SE SE SE SE SE  S  S  S  E
Wind Spd       8  5  4  3  5  4  8 10 10 11 14 14 14  9 10 11  9  4  3  3  4  2
Clouds        FW FW SC B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 OV B2 OV OV OV
PoP 12hr                     20          80          90          80          60
QPF 12hr                   0.01        0.43        0.92        0.51        0.20
Rain                          C  L  D  D  D  D  D  D
Rain shwrs              S  S                          D  D  L  L  L  L  C  C  C
Tstms                                                 S  C  C  L  C  S


Date           04/24  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18
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          69      53    68      50    69      49    68      45    70
Temp          67 65   57 54 66 64   55 51 66 64   54 50 65 62   51 46 66 65
Dewpt         54 55   52 51 51 51   49 47 47 49   46 46 46 47   43 41 43 45
PWind Dir         S      NW    NW      NW    NW       W     W      NW    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV B2   B2 B2 B2 B2   B2 B2 B2 B1   SC SC B1 B1   B1 SC FW FW
PoP 12hr         50      20    20      20    20      10    30      20    10
Rain shwrs     C  C    S  S  S  S    S  S  S  S          C  C    S  S
Tstms          S  S

$$

NCZ060-220900-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
314 PM EDT Sat Apr 21 2018

Date           04/21/18      Sun 04/22/18            Mon 04/23/18            Tue
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                      44          64          50          65          52
Temp          70 64 50 45 44 47 55 61 63 61 56 54 52 51 58 63 64 62 58 55 54 53
Dewpt         35 42 44 43 42 44 47 43 43 46 49 49 50 49 50 50 53 51 52 52 52 52
RH            27 45 80 93 93 89 74 51 48 58 77 83 93 93 75 62 67 67 80 90 93 96
Max/Min RH                   93          48          96          62          96
Wind Dir      SE SE SE SE SE SE SE SE SE SE SE SE SE  E SE SE SE  E SE SE  S SE
Wind Dir Deg  14 14 12 13 13 12 13 12 12 12 12 12 12 11 12 12 13 11 12 13 17 12
Wind Spd       8  8  5  5  8  8 12 12 13 17 16 19 19 20 17 18 14 11 10  5  2  3
Wind Gust                                      29 29 31
Clouds        FW FW SC SC B2 B2 OV OV OV OV OV OV OV OV B2 OV B2 B2 B2 OV OV OV
Clouds (%)    16 13 35 48 70 82 91 99100100100 98 96 97 87 91 82 83 85 94 91 89
Vsby          10 10 10 10 10 10 10 10
PoP 12hr                     10          80          80          70          70
QPF 12hr                      0        0.16        0.56        0.53        0.28
Rain                          C  C  L  D  D  D  D  D
Rain shwrs                                            L  L  L  L  L  L  L  L  C
Tstms                                                       S     S
Haines                                    3                       3
LAL               1     1     1     1     1     1     1     2     2     1     1
Max Mix Hgt                            3700                    4500
AGL Mix Hgt                            2100                    2900
Max Vent Rt                           42400                   72100
T Wind Dir                               SE                      SE
T Wind Spd                               20                      25
ADI                                      37                      63
Max LVORI                                 4                       4
Stability         B     F     D     D     D     D     D     D     C     D     D
Ceiling        NONE  5500  3200  5500  8900  4000  4000  4000  3200  1700  4000
Sta Pres      28.15 28.18 28.12 28.12 28.00 27.93 27.92 27.90 27.82 27.82 27.81


Date           04/24  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18  Sat 04/28/18
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          68      51    68      47    67      44    66      43    68
Temp          65 64   55 52 65 63   52 48 64 61   50 45 62 60   49 44 64 62
Dewpt         53 54   50 51 49 50   48 46 46 46   44 45 43 45   42 42 39 43
PWind Dir         S      NW    NW      NW    NW       W     W      NW    NW
Wind Char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    OV B2   B2 B2 B2 B1   B1 B2 B2 B1   SC SC B1 B1   B1 B1 SC SC
PoP 12hr         50      20    30      20    20      10    20      20    10
Rain shwrs     C  C    S  S  C  C    S  S  S  S          S  S    S  S
Tstms             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

$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.