Point Forecast Matrices Issued by NWS Knoxville/Tri Cities, TN
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FOUS54 KMRX 171044
PFMMRX
Point Forecast Matrices
National Weather Service Morristown TN
643 AM EDT Wed Apr 17 2024
TNZ017-172000-
Tri Cities Airport-Sullivan TN
36.50N 82.41W Elev. 1536 ft
643 AM EDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
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 77 58 81 57 75
Temp 61 71 76 74 68 63 60 58 60 68 77 81 75 64 60 58 59 67 73 73 68
Dewpt 54 56 53 51 52 53 55 56 57 59 57 53 54 54 53 52 55 60 60 59 57
RH 78 59 45 44 57 70 84 93 90 73 50 38 48 70 78 80 87 78 64 62 68
Wind Dir SE SW SW W SW SW SW SW SW SW W SW SE E SE S SW SW W W NW
Wind Spd 3 8 13 13 10 8 9 8 6 5 5 5 3 4 5 5 8 9 10 10 10
Clouds OV B2 B2 OV B1 B1 B1 B1 B2 SC FW FW FW SC B1 B2 OV B2 B1 B1 B1
PoP 12hr 20 5 0 40 80
QPF 12hr 0.01 0 0 0.08 0.23
Rain shwrs S S S C C D D L L
Tstms S S S C C
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
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 68 43 61 42 65 43 69
Temp 57 51 65 62 48 44 58 57 47 43 61 59 46 45 66 64
Dewpt 51 45 42 37 37 37 41 40 38 38 42 42 40 41 45 47
PWind Dir N NW N NW N NW SE SW
Wind Char GN GN LT LT LT LT LT GN
Avg Clouds B1 B1 SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr 10 5 10 40 20 20 5 20
Rain shwrs C C S S S
$$
TNZ071-172000-
Knoxville McGhee Tyson Airport-Blount TN
35.80N 83.98W Elev. 979 ft
643 AM EDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 76 61 84 62 76
Temp 66 74 76 73 71 65 63 62 62 71 81 84 79 69 65 64 63 69 73 75 70
Dewpt 56 55 53 57 58 58 59 59 60 62 61 58 60 59 58 58 60 64 64 62 60
RH 70 51 45 57 63 78 87 90 93 73 51 41 52 70 78 81 90 84 73 64 71
Wind Dir SW SW SW SW SW SW SW SW SW SW W W SW S SW SW SW W W NW N
Wind Spd 10 17 18 14 11 9 6 5 4 5 5 5 4 5 5 8 9 9 10 9 9
Clouds B2 B2 OV B2 B2 SC B1 B1 B1 FW CL CL FW SC B2 B2 OV B2 B1 B1 B2
PoP 12hr 30 5 5 60 80
QPF 12hr 0.16 0 0 0.32 0.21
Rain shwrs C C L L D D C C
Tstms S S S C C C C C
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 53 69 47 62 46 67 45 72
Temp 59 54 66 64 52 47 59 59 50 46 63 62 49 48 70 68
Dewpt 54 48 45 42 41 40 43 43 41 41 44 45 44 44 48 50
PWind Dir N N N N N N SE SW
Wind Char GN GN GN LT LT GN LT GN
Avg Clouds B2 B2 B1 B1 B1 B2 B2 B2 B1 B1 B1 SC FW SC SC SC
PoP 12hr 10 5 20 40 10 10 5 10
Rain shwrs S C C
$$
TNZ036-172000-
Oak Ridge-Anderson TN
36.00N 84.24W Elev. 913 ft
643 AM EDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
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 75 61 85 62 76
Temp 66 73 74 74 70 65 62 62 62 70 81 85 79 69 65 63 62 69 73 75 69
Dewpt 55 55 56 57 58 59 59 60 60 62 61 58 57 57 57 59 60 64 64 60 57
RH 68 53 53 55 66 81 90 93 93 76 51 40 47 66 75 87 93 84 73 60 66
Wind Dir SW SW SW SW SW SW SW SW SW SW SW SW SW S SW SW SW SW W NW N
Wind Spd 10 16 14 13 10 9 6 5 5 5 5 6 5 5 5 6 6 8 8 9 9
Clouds B1 B2 OV B2 B2 B1 B1 B1 B2 B1 FW CL FW SC B1 OV OV B2 B1 B1 B1
PoP 12hr 50 5 5 60 70
QPF 12hr 0.22 0 0 0.43 0.15
Rain shwrs S C S S S L L L L C C
Tstms C S S S C C C C S
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
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 53 70 47 63 44 68 45 73
Temp 58 53 67 64 51 47 60 59 47 46 65 63 47 48 70 68
Dewpt 50 45 42 39 39 38 41 41 39 38 42 44 43 43 48 49
PWind Dir N N N N N N W SW
Wind Char GN GN GN GN LT GN LT GN
Avg Clouds B1 B2 B1 B1 B1 B2 B2 B1 B1 SC SC SC FW SC SC SC
PoP 12hr 5 5 20 40 10 10 5 10
Rain shwrs S C C
$$
TNZ099-172000-
Chattanooga Airport-Hamilton TN
35.03N 85.22W Elev. 688 ft
643 AM EDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 78 63 86 64 79
Temp 66 75 78 75 74 68 66 64 64 73 83 86 80 71 67 66 64 71 77 78 73
Dewpt 56 56 58 62 62 62 61 62 62 64 63 60 61 62 61 62 63 65 64 62 59
RH 70 52 50 64 66 81 84 93 93 73 51 42 52 73 81 87 97 81 64 58 62
Wind Dir S S SW SW S S S S S S S S S S SW SW SW SW W NW N
Wind Spd 9 12 11 10 6 5 3 3 2 4 6 9 8 5 8 8 5 8 9 10 10
Clouds OV OV B2 OV B2 B2 B1 B1 B1 B1 FW FW SC B1 SC B2 OV B1 B1 B1 B1
PoP 12hr 60 5 10 60 60
QPF 12hr 0.47 0 0 0.36 0.08
Rain shwrs S L C S S L L L L C C
Tstms C C S C C C C C C
Obvis PF
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 56 73 50 64 47 72 48 75
Temp 62 57 70 67 55 50 61 60 50 47 68 66 52 49 72 70
Dewpt 54 49 45 42 41 41 43 44 43 41 44 46 45 45 48 52
PWind Dir N N N N N N SW SW
Wind Char GN GN GN GN LT GN LT GN
Avg Clouds B1 B1 B1 B1 B1 B2 B2 B2 B1 SC SC FW FW FW SC SC
PoP 12hr 5 5 20 50 20 5 5 10
Rain shwrs S C C S
Tstms S
$$
NCZ060-172000-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N 84.12W Elev. 1600 ft
643 AM EDT Wed Apr 17 2024
Date Wed 04/17/24 Thu 04/18/24 Fri 04/19/24
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 76 56 86 57 77
Temp 62 71 75 72 66 62 58 57 58 70 82 85 78 66 60 58 59 67 74 76 71
Dewpt 54 53 49 52 57 57 57 57 57 61 56 53 56 56 56 56 59 63 63 61 60
RH 75 53 40 49 73 84 96100 96 73 41 33 47 70 87 93100 87 69 60 68
Min/Max RH 39 100 33 100 60
Wind Dir SE SW SW SW S SE N N N SW SW SW SW S S N N W W NW NW
Wind Dir Deg 15 20 21 21 18 14 0 0 0 21 21 21 22 16 17 0 0 24 27 29 30
Wind Spd 5 11 12 10 5 2 0 0 0 2 4 6 5 3 3 0 0 5 8 9 10
Clouds B2 OV OV OV B2 B2 B1 B1 B1 SC FW FW FW SC B1 B2 OV B2 B1 B1 B1
Clouds (%) 79 89 92 93 79 77 61 63 59 27 6 6 15 43 52 72 88 79 59 61 62
Vsby 10 10 10 10 10 7 7 7 7
PoP 12hr 50 10 5 50 80
QPF 12hr 0.37 0 0 0.28 0.14
Rain shwrs C S S C C D D L L
Tstms S S S C C C C C
Obvis PF
Haines 5 5 3
LAL 1 1 2 1 1 1 2 2 3 3 3
Max Mix Hgt
AGL Mix Hgt 4200 6400 3300
Max Vent Rt 87300 44000 45300
T Wind Dir SW SW W
T Wind Spd 14 4 11
ADI 76 38 39
Max LVORI 4 9 10
Stability E C B F F A B F D B B
Ceiling NONE NONE NONE NONE 0 NONE NONE NONE NONE NONE NONE
Sta Pres 27.99 27.94 27.95 27.96 27.98 27.95 27.89 27.90 27.91 27.88 27.89
Date Sat 04/20/24 Sun 04/21/24 Mon 04/22/24 Tue 04/23/24
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 52 72 45 63 45 67 43 73
Temp 58 52 69 64 49 46 60 57 48 45 63 61 47 44 70 66
Dewpt 56 52 48 43 41 42 46 46 44 44 46 45 42 42 46 48
PWind Dir NW NW N NW NW NW E SW
Wind Char LT GN LT LT LT GN LT GN
Avg Clouds B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 SC FW FW FW SC
PoP 12hr 5 10 20 50 20 10 5 10
Rain shwrs S C C 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
$$