Point Forecast Matrices Issued by NWS Knoxville/Tri Cities, TN
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FOUS54 KMRX 180707
PFMMRX
Point Forecast Matrices
National Weather Service Morristown TN
307 AM EDT Thu Apr 18 2024
TNZ017-182000-
Tri Cities Airport-Sullivan TN
36.50N 82.41W Elev. 1536 ft
307 AM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
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 80 57 73 53 66
Temp 58 59 67 76 80 75 65 61 58 59 65 71 73 69 62 58 55 53 58 63 66 61
Dewpt 55 57 58 55 53 54 52 51 51 55 60 62 62 59 57 54 50 48 47 47 44 40
RH 90 93 73 48 39 48 63 70 77 87 84 73 68 70 84 86 83 83 67 56 45 46
Wind Dir SW W W W SW SE E SE W S SW W W N N N N N N NW NW NW
Wind Spd 8 6 5 5 4 3 5 5 6 5 6 9 8 8 6 6 8 6 6 6 9 10
Clouds B2 B1 SC FW FW FW FW SC B1 B2 B1 B2 B1 B1 OV B2 B2 B2 B2 B1 B1 B1
PoP 12hr 0 40 90 20 20
QPF 12hr 0 0.05 0.37 0.05 0
Rain shwrs S D D D D S S S S S S
Tstms S C C C C S S
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
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 44 58 42 64 41 71 50 68
Temp 49 45 56 55 46 43 61 59 45 45 68 65 56 51 65 62
Dewpt 39 38 43 43 39 39 40 41 39 40 45 46 47 48 47 44
PWind Dir N N N NW SE SW SW W
Wind Char LT LT LT LT LT GN GN GN
Avg Clouds B1 B1 B2 B2 B2 SC SC SC FW FW SC SC B1 SC SC FW
PoP 12hr 10 50 20 10 0 10 30 20
Rain shwrs C C S C S S S
$$
TNZ071-182000-
Knoxville McGhee Tyson Airport-Blount TN
35.80N 83.98W Elev. 979 ft
307 AM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 85 62 76 55 68
Temp 60 60 69 80 83 79 70 66 64 64 69 75 76 70 64 61 57 55 61 65 68 64
Dewpt 57 58 62 61 57 58 58 58 60 62 65 66 64 61 58 56 53 51 50 49 47 46
RH 90 93 78 52 41 49 66 75 87 93 87 74 66 73 81 84 86 86 67 56 47 52
Wind Dir W SW SW W NW E S SW S S SW W NW N N N N N N N N N
Wind Spd 4 4 2 3 4 3 4 9 8 5 8 8 8 8 5 6 6 5 8 6 9 9
Clouds B1 B1 SC CL CL FW SC B2 B2 OV B1 B1 B1 B2 B2 B2 OV OV B2 B1 B1 B1
PoP 12hr 0 60 80 10 20
QPF 12hr 0 0.45 0.19 0 0.01
Rain shwrs C L D D L L S S
Tstms C C C C C C
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 49 58 44 66 44 74 53 72
Temp 53 49 55 56 49 45 63 62 47 47 70 68 58 54 69 68
Dewpt 43 43 45 45 43 41 44 45 42 43 48 50 51 51 50 49
PWind Dir NE N N N E SW SW NW
Wind Char GN GN LT GN LT GN GN GN
Avg Clouds B1 B2 OV B2 B1 B1 SC SC FW FW SC SC SC SC SC SC
PoP 12hr 20 50 10 5 0 10 20 20
Rain shwrs S C C S S S S
$$
TNZ036-182000-
Oak Ridge-Anderson TN
36.00N 84.24W Elev. 913 ft
307 AM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
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 85 62 77 54 70
Temp 60 61 69 81 85 79 69 65 63 64 69 75 76 70 62 59 56 54 61 67 69 64
Dewpt 58 59 62 61 56 56 57 57 60 62 65 65 63 59 56 53 50 47 47 47 44 42
RH 93 93 78 51 37 45 66 75 90 93 87 71 64 68 81 80 80 77 60 49 40 45
Wind Dir SW SW S SW S S S SW SW S SW W NW N N N N N N N N N
Wind Spd 5 4 3 4 4 3 4 6 5 5 6 8 8 6 5 6 6 6 8 6 8 9
Clouds B1 B1 B1 CL CL FW SC B2 OV OV B2 B1 B1 B1 B2 B2 OV B2 B2 B1 B1 B1
PoP 12hr 0 70 80 10 20
QPF 12hr 0 0.49 0.15 0 0
Rain shwrs C L D D L L S S
Tstms C C C C C S
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
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 60 43 68 44 74 52 73
Temp 52 48 59 55 47 44 65 62 46 47 71 68 57 53 70 67
Dewpt 41 41 43 43 40 39 41 42 40 42 48 48 50 49 49 48
PWind Dir N N N NE N SW W NW
Wind Char GN GN LT GN LT GN GN GN
Avg Clouds B1 B2 B2 B2 B1 SC SC FW FW FW SC SC SC SC SC SC
PoP 12hr 20 50 10 5 0 10 20 20
Rain shwrs S C C S S S S
$$
TNZ099-182000-
Chattanooga Airport-Hamilton TN
35.03N 85.22W Elev. 688 ft
307 AM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 86 64 81 58 73
Temp 61 61 70 82 86 80 71 68 66 64 72 79 80 75 67 63 60 58 65 70 72 67
Dewpt 59 59 63 62 59 59 62 63 63 64 66 66 63 61 59 56 54 52 52 51 49 47
RH 93 93 78 51 40 49 73 84 90100 81 64 56 62 75 78 81 80 63 51 44 49
Wind Dir S N S S S S SW S SW S W W NW N N N N N N N N N
Wind Spd 2 0 2 5 8 6 5 5 5 5 6 9 10 8 6 5 6 8 9 10 10 10
Clouds B1 B1 SC CL CL SC B1 B2 B2 B2 B1 B1 B1 B1 B2 B1 B2 B2 B2 B2 B1 B2
PoP 12hr 0 70 60 10 20
QPF 12hr 0 0.81 0.10 0 0
Rain shwrs S C L L L C C S S S
Tstms S C C C C C C
Obvis PF
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 51 59 45 70 47 77 53 77
Temp 57 52 57 57 49 46 67 65 51 48 73 71 58 54 74 71
Dewpt 43 43 46 45 43 41 42 45 43 44 49 51 51 51 51 51
PWind Dir N N N N N S W N
Wind Char GN GN GN GN LT GN LT GN
Avg Clouds B2 B2 B2 B2 B1 SC FW FW FW FW FW FW SC SC FW FW
PoP 12hr 30 60 10 0 0 10 20 10
Rain shwrs S C L L S S
$$
NCZ060-182000-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N 84.12W Elev. 1600 ft
307 AM EDT Thu Apr 18 2024
Date Thu 04/18/24 Fri 04/19/24 Sat 04/20/24
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 86 58 78 55 73
Temp 54 55 69 82 85 77 66 61 60 59 67 75 77 72 63 59 57 55 65 72 70 63
Dewpt 54 55 61 56 50 54 55 56 58 59 63 64 63 62 60 58 56 55 56 53 50 48
RH 100100 76 41 30 45 68 84 93100 87 69 62 71 90 96 96100 73 51 49 58
Min/Max RH 30 100 62 100 49
Wind Dir N N N W SW SW S N N SE SW W W NW NW NW N N NW NW NW NW
Wind Dir Deg 0 0 0 25 21 20 17 0 0 15 21 27 28 30 31 32 0 33 31 31 31 32
Wind Spd 0 0 0 3 4 5 4 0 0 3 4 8 8 8 4 3 0 4 5 9 10 10
Clouds B1 B1 FW CL CL FW SC B1 B2 OV B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1
Clouds (%) 57 57 11 2 4 14 28 59 81 91 67 58 57 57 71 79 84 86 73 57 57 57
Vsby 3 2 10 10 10 10 10 10 6 6
PoP 12hr 0 60 70 10 20
QPF 12hr 0 0.44 0.21 0 0
Rain shwrs C L L L L L S S S
Tstms C C C C C C S
Obvis PF PF PF
Haines 5 3 5
LAL 1 1 1 3 3 3 3 1 1 1 2
Max Mix Hgt
AGL Mix Hgt 7000 3700 3700
Max Vent Rt 47000 51600 45900
T Wind Dir SW W NW
T Wind Spd 4 10 10
ADI 41 45 40
Max LVORI 10 10 8
Stability F A B F D B B F D B B
Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
Sta Pres 27.98 27.95 27.90 27.92 27.92 27.92 27.93 27.93 27.96 27.95 27.93
Date Sun 04/21/24 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24
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 47 60 43 67 42 74 48 74
Temp 52 47 57 55 47 43 63 60 45 45 72 67 53 49 71 67
Dewpt 44 46 49 47 44 43 44 43 42 44 47 48 48 49 48 48
PWind Dir N NW NW NW E SW W NW
Wind Char LT LT LT LT LT GN LT GN
Avg Clouds B1 B2 OV OV B2 B1 B1 SC FW FW FW FW SC SC SC FW
PoP 12hr 30 70 20 5 0 10 20 20
Rain shwrs S C L L 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
$$