Point Forecast Matrices Issued by NWS Knoxville/Tri Cities, TN
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FOUS54 KMRX 181657
PFMMRX
Point Forecast Matrices
National Weather Service Morristown TN
1257 PM EDT Thu Apr 18 2024
TNZ017-190800-
Tri Cities Airport-Sullivan TN
36.50N 82.41W Elev. 1536 ft
1257 PM EDT Thu Apr 18 2024
Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun
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 57 73 53 66 44
Temp 78 75 65 61 58 59 65 71 73 69 62 58 55 53 58 63 66 61 54 49 46 45
Dewpt 53 54 52 51 51 55 60 62 62 59 57 54 50 48 47 47 44 40 40 39 37 38
RH 42 48 63 70 77 87 84 73 68 70 84 86 83 83 67 56 45 46 59 68 71 76
Wind Dir W S E SE SW S SW W W N N N N N N NW NW NW N N NE NE
Wind Spd 4 3 4 4 4 4 6 9 8 8 6 6 8 6 6 6 9 10 8 5 5 5
Clouds FW FW SC B1 B1 B2 B2 B2 B2 B1 OV B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B2
PoP 12hr 50 80 20 20 10
QPF 12hr 0.05 0.37 0.05 0 0
Rain shwrs S D L D D S S S S S S C
Tstms S C C C C S S
Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
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 58 42 64 41 71 50 68 45 70
Temp 56 55 46 43 61 59 45 45 68 65 56 51 65 62 50 48 68 64
Dewpt 43 43 39 39 40 41 39 40 45 46 47 48 47 44 42 43 45 46
PWind Dir N N NW SE SW SW W NE W
Wind Char LT LT LT LT GN GN GN LT GN
Avg Clouds B2 B2 B2 SC SC SC FW FW SC SC B1 SC SC FW FW SC SC SC
PoP 12hr 50 20 10 0 10 30 20 10 20
Rain shwrs C C S C S S S S
$$
TNZ071-190800-
Knoxville McGhee Tyson Airport-Blount TN
35.80N 83.98W Elev. 979 ft
1257 PM EDT Thu Apr 18 2024
Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 62 76 55 68 49
Temp 82 79 70 66 64 64 69 75 76 70 64 61 57 55 61 65 68 64 57 53 51 49
Dewpt 57 58 58 58 60 62 65 66 64 61 58 56 53 51 50 49 47 46 43 43 42 43
RH 43 49 66 75 87 93 87 74 66 73 81 84 86 86 67 56 47 52 59 69 71 80
Wind Dir NW E S SW SW SW SW W NW N N N N N N N N N NE NE NE NE
Wind Spd 3 3 3 5 5 6 8 8 8 8 5 6 6 5 8 6 9 9 9 9 9 8
Clouds CL FW SC B2 B2 OV B1 B2 B2 B2 B2 B2 OV OV B2 B1 B1 B1 B1 B1 B2 OV
PoP 12hr 80 80 10 20 20
QPF 12hr 0.45 0.19 0 0.01 0
Rain shwrs C D D C L L S S S S C
Tstms C C C C C C
Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 58 44 66 44 74 53 72 50 72
Temp 55 56 49 45 63 62 47 47 70 68 58 54 69 68 55 52 70 68
Dewpt 45 45 43 41 44 45 42 43 48 50 51 51 50 49 47 47 50 52
PWind Dir N N N E SW SW NW NE W
Wind Char GN LT GN LT GN GN GN LT GN
Avg Clouds OV B2 B1 B1 SC SC FW FW SC SC SC SC SC SC SC SC SC SC
PoP 12hr 50 10 5 0 10 20 20 10 20
Rain shwrs C C S S S S S
$$
TNZ036-190800-
Oak Ridge-Anderson TN
36.00N 84.24W Elev. 913 ft
1257 PM EDT Thu Apr 18 2024
Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun
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 62 77 54 70 48
Temp 82 79 69 65 63 64 69 75 76 70 62 59 56 54 61 67 69 64 56 52 50 48
Dewpt 56 56 57 57 60 62 65 65 63 59 56 53 50 47 47 47 44 42 41 41 40 41
RH 41 45 66 75 90 93 87 71 64 68 81 80 80 77 60 49 40 45 57 66 68 77
Wind Dir S S SW SW SW SW SW W NW N N N N N N N N N N N N N
Wind Spd 3 2 3 5 4 5 6 8 8 6 5 6 6 6 8 6 8 9 8 8 9 9
Clouds CL FW SC B2 OV OV B2 B1 B1 B1 B2 B2 OV B2 B2 B1 B1 B1 B1 B1 B2 OV
PoP 12hr 80 80 10 20 20
QPF 12hr 0.49 0.15 0 0 0
Rain shwrs L D D C L L S S S S C
Tstms C C C C C S
Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
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 60 43 68 44 74 52 73 49 73
Temp 59 55 47 44 65 62 46 47 71 68 57 53 70 67 54 51 71 68
Dewpt 43 43 40 39 41 42 40 42 48 48 50 49 49 48 45 45 49 50
PWind Dir N N NE N SW W NW NE SE
Wind Char GN LT GN LT GN GN GN LT GN
Avg Clouds B2 B2 B1 SC SC FW FW FW SC SC SC SC SC SC FW SC SC SC
PoP 12hr 50 10 5 0 10 20 20 10 20
Rain shwrs C C S S S S S
$$
TNZ099-190800-
Chattanooga Airport-Hamilton TN
35.03N 85.22W Elev. 688 ft
1257 PM EDT Thu Apr 18 2024
Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 64 81 58 73 51
Temp 82 80 71 68 66 64 72 79 80 75 67 63 60 58 65 70 72 67 60 57 54 52
Dewpt 59 59 62 63 63 64 66 66 63 61 59 56 54 52 52 51 49 47 44 43 43 43
RH 46 49 73 84 90100 81 64 56 62 75 78 81 80 63 51 44 49 55 59 66 71
Wind Dir S S SW S S S SW W NW N N N N N N N N N N N N N
Wind Spd 5 4 4 4 4 4 5 9 10 8 6 5 6 8 9 10 10 10 10 11 12 12
Clouds CL FW B2 B1 B2 B2 B1 B1 B1 B1 B2 B1 B2 B2 B2 B2 B1 B2 B1 B2 B2 OV
PoP 12hr 80 50 10 20 30
QPF 12hr 0.81 0.10 0 0 0.05
Rain shwrs L C D C C C C S S S S C C L
Tstms C C C C C C C
Obvis PF
Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 59 45 70 47 77 53 77 53 76
Temp 57 57 49 46 67 65 51 48 73 71 58 54 74 71 58 55 74 70
Dewpt 46 45 43 41 42 45 43 44 49 51 51 51 51 51 49 48 51 52
PWind Dir N N N N S W N N E
Wind Char GN GN GN LT GN LT GN LT GN
Avg Clouds B2 B2 B1 SC FW FW FW FW FW FW SC SC FW FW FW SC SC SC
PoP 12hr 60 10 0 0 10 20 10 5 20
Rain shwrs L L S S S
Tstms S
$$
NCZ060-190800-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N 84.12W Elev. 1600 ft
1257 PM EDT Thu Apr 18 2024
Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun
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 58 78 55 73 47
Temp 82 77 66 61 60 59 67 75 77 72 63 59 57 55 65 72 70 63 56 52 49 47
Dewpt 50 54 55 56 58 59 63 64 63 62 60 58 56 55 56 53 50 48 44 44 44 46
RH 33 45 68 84 93100 87 69 62 71 90 96 96100 73 51 49 58 64 74 83 96
Max/Min RH 100 62 100 49 96
Wind Dir SW S SE S N SE W W W NW NW NW N N NW NW NW NW N N N N
Wind Dir Deg 23 19 15 18 0 15 24 27 28 30 31 32 0 33 31 31 31 32 34 34 2 2
Wind Spd 3 4 2 3 0 3 4 8 8 8 4 3 0 4 5 9 10 10 6 5 4 5
Clouds CL FW SC B2 B2 OV B1 B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 OV
Clouds (%) 5 15 50 79 71 93 57 73 73 57 71 79 84 86 73 57 57 57 57 72 81 92
Vsby 10 10 10 3 5 5 7
PoP 12hr 60 70 10 20 30
QPF 12hr 0.44 0.21 0 0 0.06
Rain shwrs L L L C L L S S S S C C L
Tstms C C C C C C S S
Obvis PF PF PF
Haines 3 5
LAL 1 3 3 3 3 1 1 1 2 MM MM
Max Mix Hgt
AGL Mix Hgt 3700 3700
Max Vent Rt 51600 45900
T Wind Dir W NW
T Wind Spd 10 10
ADI 45 40
Max LVORI 10 8
Stability B F D B B F D B B MM MM
Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE MM MM
Sta Pres 27.90 27.92 27.92 27.92 27.93 27.93 27.96 27.95 27.93 MM MM
Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
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 60 43 67 42 74 48 74 46 74
Temp 57 55 47 43 63 60 45 45 72 67 53 49 71 67 52 49 73 66
Dewpt 49 47 44 43 44 43 42 44 47 48 48 49 48 48 46 47 49 49
PWind Dir NW NW NW E SW W NW NE S
Wind Char LT LT LT LT GN LT GN LT GN
Avg Clouds OV OV B2 B1 B1 SC FW FW FW FW SC SC SC FW FW SC SC SC
PoP 12hr 70 20 5 0 10 20 20 10 20
Rain shwrs L L S S S S 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
$$