Point Forecast Matrices Issued by NWS Knoxville/Tri Cities, TN
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FOUS54 KMRX 200752
PFMMRX
Point Forecast Matrices
National Weather Service Morristown TN
352 AM EDT Fri Apr 20 2018
TNZ017-202145-
Tri Cities Airport-Sullivan TN
36.50N 82.41W Elev. 1536 ft
352 AM EDT Fri Apr 20 2018
Date Fri 04/20/18 Sat 04/21/18 Sun 04/22/18
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 63 35 67 43 68
Temp 32 33 49 58 62 56 48 42 39 37 53 62 66 61 54 49 46 43 57 64 67 63
Dewpt 29 29 27 26 26 28 27 27 28 30 32 34 35 35 35 35 36 37 40 40 41 41
RH 88 85 42 29 25 34 44 55 64 75 44 35 32 38 48 58 68 79 53 41 39 44
Wind Dir NE NE NE N N N NE NE E E S W NW NE E E E E SE SE SE SE
Wind Spd 2 1 4 5 5 4 3 4 3 3 3 3 3 2 2 2 2 1 3 5 6 6
Clouds CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW SC SC B1 B1 B2 B2 B2
PoP 12hr 0 0 0 0 10
QPF 12hr 0 0 0 0 0
Rain shwrs S S S S C
Freeze W W
Date Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 Thu 04/26/18
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 46 61 47 66 49 66 46 65
Temp 52 47 59 57 50 48 63 62 53 50 64 61 51 47 62 60
Dewpt 40 41 44 44 44 44 46 49 47 47 49 47 45 44 44 43
PWind Dir E E E SE S SW W W
Wind Char LT GN GN GN LT GN LT GN
Avg Clouds B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr 40 70 70 60 40 50 40 40
Rain shwrs C C L L L L L L C C C C C C C C
$$
TNZ071-202145-
Knoxville McGhee Tyson Airport-Blount TN
35.80N 83.98W Elev. 979 ft
352 AM EDT Fri Apr 20 2018
Date Fri 04/20/18 Sat 04/21/18 Sun 04/22/18
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 65 39 70 48 67
Temp 37 37 52 60 64 59 51 46 42 41 56 65 69 65 58 54 51 48 58 64 66 63
Dewpt 30 31 31 31 32 32 32 32 33 34 37 40 41 42 41 41 41 42 44 44 44 44
RH 75 79 44 33 30 36 48 58 70 76 49 40 36 43 53 61 68 80 59 48 45 50
Wind Dir NE NE NE NE NE NE NE NE NE E N N N NE E S E NE E NE NE NE
Wind Spd 4 4 8 8 8 4 4 5 4 3 3 3 3 3 2 1 2 3 4 6 8 6
Clouds CL CL CL CL CL CL CL CL CL CL CL FW FW SC SC B1 B1 B1 B2 B2 OV OV
PoP 12hr 0 0 0 0 40
QPF 12hr 0 0 0 0 0.05
Rain shwrs C C C C L
Frost Y Y
Date Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 Thu 04/26/18
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 49 63 51 68 52 68 49 68
Temp 54 50 60 60 54 52 65 64 56 52 65 63 54 50 65 63
Dewpt 44 46 48 48 47 48 50 52 50 50 50 49 47 46 47 47
PWind Dir E E NE E S W W W
Wind Char GN GN GN LT LT GN GN GN
Avg Clouds OV OV OV OV OV B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1
PoP 12hr 70 70 60 60 40 50 30 30
Rain shwrs L L L L L L L L C C C C C C C C
$$
TNZ036-202145-
Oak Ridge-Anderson TN
36.00N 84.24W Elev. 913 ft
352 AM EDT Fri Apr 20 2018
Date Fri 04/20/18 Sat 04/21/18 Sun 04/22/18
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 66 38 70 47 69
Temp 38 37 52 61 65 59 51 45 42 40 56 65 69 64 57 53 50 47 59 65 68 64
Dewpt 31 31 31 31 31 32 31 31 32 34 36 39 41 41 41 41 41 41 43 44 45 45
RH 76 79 44 32 28 36 46 58 67 79 47 38 36 43 55 64 71 79 55 46 43 50
Wind Dir NE NE NE NE NE NE NE NE NE NE E S SE E E SE E NE E E E E
Wind Spd 4 3 6 6 5 4 4 5 4 3 3 2 2 1 1 1 2 2 3 4 4 2
Clouds CL CL CL CL CL CL CL CL CL CL CL FW FW SC SC B1 B1 B1 B2 B2 OV OV
PoP 12hr 0 0 0 0 30
QPF 12hr 0 0 0 0 0.05
Rain shwrs C C C C D
Frost Y Y
Date Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 Thu 04/26/18
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 49 63 50 68 51 68 48 68
Temp 54 50 61 60 53 51 65 64 56 52 65 63 53 49 64 63
Dewpt 44 46 48 49 48 48 50 52 50 49 50 48 46 46 47 46
PWind Dir E E NE NE N W W W
Wind Char LT LT LT LT LT LT LT LT
Avg Clouds OV OV OV OV OV B2 B2 OV B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr 70 70 60 60 40 50 30 30
Rain shwrs D D L L L L L L C C C C C C C C
$$
TNZ099-202145-
Chattanooga Airport-Hamilton TN
35.03N 85.22W Elev. 688 ft
352 AM EDT Fri Apr 20 2018
Date Fri 04/20/18 Sat 04/21/18 Sun 04/22/18
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 69 41 71 50 66
Temp 42 41 56 64 68 62 54 48 45 43 58 66 70 66 59 55 53 51 59 63 65 62
Dewpt 30 31 32 33 34 34 34 35 36 37 39 40 42 43 43 42 42 43 45 46 47 47
RH 62 67 40 31 28 35 46 60 70 79 49 38 36 43 55 61 66 74 60 54 52 58
Wind Dir N NE NE NE NE NE NE NE NE NE E SE SE SE SE SE SE E E E E E
Wind Spd 11 5 5 3 4 4 4 4 3 3 5 6 5 3 2 2 4 3 8 10 10 9
Clouds CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW B2 B2 B2 OV OV OV OV
PoP 12hr 0 0 0 20 70
QPF 12hr 0 0 0 0.01 0.24
Rain S S
Rain shwrs L L L L D
Date Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 Thu 04/26/18
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 51 65 52 69 52 69 48 69
Temp 55 52 63 62 55 53 66 65 57 53 66 64 53 49 66 65
Dewpt 47 48 50 50 50 49 52 52 50 49 49 48 46 45 47 47
PWind Dir E NE NE NE N NW NW NW
Wind Char GN GN GN LT LT GN GN GN
Avg Clouds OV OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 B1
PoP 12hr 80 60 60 50 30 40 30 20
Rain shwrs D D L L L L C C C C C C C C S S
$$
NCZ060-202145-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N 84.12W Elev. 1600 ft
352 AM EDT Fri Apr 20 2018
Date Fri 04/20/18 Sat 04/21/18 Sun 04/22/18
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 67 39 68 45 66
Temp 35 34 51 61 66 60 52 46 43 40 55 63 67 62 55 51 48 46 57 63 65 62
Dewpt 29 29 29 30 32 34 34 34 34 34 35 37 39 41 40 40 40 41 42 43 44 44
RH 78 82 42 31 28 37 50 63 70 79 47 38 36 46 57 66 74 83 57 48 46 52
Min/Max RH 28 79 36 83 45
Wind Dir W E S NW NW NW NE E E E SE S SE SE SE SE SE SE SE SE SE SE
Wind Dir Deg 24 7 18 29 31 32 4 10 11 11 13 16 15 15 14 12 12 13 13 14 13 12
Wind Spd 1 2 0 3 5 4 4 3 4 4 5 5 4 4 3 4 6 4 6 8 9 10
Clouds CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW B1 B1 B2 B2 OV OV OV
Clouds (%) 0 0 0 0 0 1 2 3 3 4 4 9 9 24 24 59 59 77 82 92100 99
Vsby 10 10 10 10 10 10 10 10
PoP 12hr 0 0 0 5 50
QPF 12hr 0 0 0 0 0.12
Rain shwrs C C C C D
Freeze W W
Haines 5 6
LAL 1 1 1 1 1 1 1 1 1 1 1
Max Mix Hgt 4600 5700
AGL Mix Hgt 2900 4000
Max Vent Rt 16600 32200
T Wind Dir NW SE
T Wind Spd 5 8
ADI 14 28
Max LVORI 4 3
Stability G A A G G B A F F C D
Ceiling NONE NONE NONE NONE NONE NONE 23500 18200 15900 12700 8000
Sta Pres 28.20 28.21 28.18 28.23 28.22 28.22 28.17 28.22 28.16 28.12 28.03
Date Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 Thu 04/26/18
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 48 62 48 67 49 67 45 68
Temp 53 49 59 58 52 49 64 62 53 50 64 62 51 46 64 62
Dewpt 44 46 47 47 47 47 49 51 49 48 48 49 46 44 45 46
PWind Dir E E E E N NW NW NW
Wind Char GN GN GN LT LT LT LT LT
Avg Clouds OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B2 B2 B1 B1
PoP 12hr 80 70 60 60 30 40 20 30
Rain shwrs D D L L L L L L C C C C S S 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
$$