Point Forecast Matrices Issued by NWS Knoxville/Tri Cities, TN
000
FOUS54 KMRX 190022
PFMMRX
Point Forecast Matrices
National Weather Service Morristown TN
821 PM EDT Thu Apr 18 2024
TNZ017-190800-
Tri Cities Airport-Sullivan TN
36.50N 82.41W Elev. 1536 ft
821 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 51 66 44
Temp 64 62 59 59 65 71 72 67 61 58 53 51 56 63 66 61 53 49 46 46
Dewpt 53 51 53 55 59 62 62 60 56 53 47 44 42 42 39 39 38 38 36 37
RH 67 67 80 87 81 73 71 78 84 83 80 77 59 46 37 44 57 66 68 71
Wind Dir E SE S S SW W W NW N N N N N W NW NW N N NE NE
Wind Spd 2 2 1 2 6 9 8 8 9 6 10 9 6 8 9 8 5 5 5 5
Clouds FW B1 B1 B2 OV B1 B2 B1 OV B2 B2 B2 B1 SC SC SC B1 B2 B2 B2
PoP 12hr 50 80 20 10 20
QPF 12hr 0.01 0.15 0.01 0 0
Rain shwrs S D L C D S S S S C
Tstms S 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 59 39 64 40 72 51 70 43 71
Temp 56 54 43 41 61 59 44 43 69 66 55 53 66 63 50 44 68 65
Dewpt 40 39 36 35 38 39 38 39 44 47 48 48 50 45 42 40 44 43
PWind Dir NW N N SE SW SW W NE N
Wind Char LT LT LT LT GN GN GN GN GN
Avg Clouds B2 B2 B1 SC SC FW FW FW FW SC B1 B1 B1 SC SC FW SC FW
PoP 12hr 30 10 5 0 10 30 30 10 20
Rain shwrs C C C C C C S
Tstms S
$$
TNZ071-190800-
Knoxville McGhee Tyson Airport-Blount TN
35.80N 83.98W Elev. 979 ft
821 PM EDT Thu Apr 18 2024
Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 63 75 54 68 48
Temp 69 66 65 63 69 74 74 68 62 59 56 54 59 65 68 64 57 54 50 48
Dewpt 59 59 61 62 64 65 65 62 57 55 51 46 45 45 42 43 43 42 41 41
RH 70 78 87 97 84 74 74 81 84 87 83 74 60 48 39 46 59 64 71 77
Wind Dir S SW SW SW SW W W N N N N N N N N N N NE N NE
Wind Spd 3 3 3 6 8 8 8 9 6 6 6 9 10 9 9 6 5 6 6 8
Clouds SC B1 B2 OV B2 B1 B1 B2 OV OV OV OV B2 B1 SC B1 B2 B2 B2 OV
PoP 12hr 80 80 20 10 20
QPF 12hr 0.25 0.13 0.01 0 0
Rain shwrs C D D C C C S S S S C
Tstms C C C C C C S
Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 58 42 66 44 74 54 73 48 74
Temp 56 56 47 43 63 61 47 46 72 69 58 56 70 67 54 49 71 69
Dewpt 44 43 41 39 41 44 41 42 47 49 51 51 53 50 46 44 49 50
PWind Dir N NE NE SE SW SW W NE N
Wind Char LT LT GN LT GN GN GN GN GN
Avg Clouds OV B2 B1 SC FW FW CL FW FW SC SC B1 B1 SC SC SC SC FW
PoP 12hr 40 10 0 0 5 30 30 10 20
Rain shwrs C C S C S C S
Tstms S
$$
TNZ036-190800-
Oak Ridge-Anderson TN
36.00N 84.24W Elev. 913 ft
821 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 53 69 48
Temp 69 66 64 64 69 75 76 68 62 58 55 53 61 67 69 64 56 53 50 48
Dewpt 58 58 61 62 65 65 64 58 55 52 46 43 42 41 39 39 39 39 38 38
RH 68 75 90 93 87 71 66 70 78 80 72 69 49 39 33 40 53 59 63 68
Wind Dir SW SW SW SW SW W NW N N N N N N N N N N N N N
Wind Spd 2 3 2 3 6 6 6 8 5 8 9 10 8 8 8 6 5 5 6 8
Clouds SC B2 B2 OV B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 SC B2 B2 B2 B2 OV
PoP 12hr 80 80 10 10 20
QPF 12hr 0.45 0.10 0 0 0
Rain shwrs C D D C C C S S C
Tstms 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 60 41 68 43 74 53 74 48 75
Temp 57 56 45 42 65 62 46 46 72 69 57 55 72 67 53 49 71 68
Dewpt 41 41 38 36 39 42 39 41 47 48 50 51 51 47 45 43 47 47
PWind Dir N N NE NW SW SW NW NE NE
Wind Char LT LT GN LT GN GN GN GN GN
Avg Clouds OV B2 SC SC FW FW CL FW FW SC B1 B1 B1 SC FW SC FW FW
PoP 12hr 30 5 0 0 10 30 20 10 20
Rain shwrs C C C C S S S
$$
TNZ099-190800-
Chattanooga Airport-Hamilton TN
35.03N 85.22W Elev. 688 ft
821 PM EDT Thu Apr 18 2024
Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 65 80 57 73 51
Temp 70 67 66 66 72 78 78 72 64 61 59 57 64 70 72 67 59 56 53 51
Dewpt 62 63 63 64 66 65 65 62 59 56 53 49 47 45 44 43 42 42 41 41
RH 76 87 90 93 81 64 64 71 84 84 80 75 54 41 37 42 53 59 64 68
Wind Dir SW S S S SW W NW N N N N N N N N N N N N N
Wind Spd 2 3 2 4 5 8 9 9 8 6 8 10 10 10 10 10 9 8 10 12
Clouds B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 OV
PoP 12hr 80 40 10 20 30
QPF 12hr 0.64 0.03 0 0 0
Rain shwrs L L D C C C S S S C C C
Tstms C L C C C C
Obvis PF
Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 59 43 70 46 76 55 76 51 77
Temp 56 57 49 44 67 65 50 47 73 71 58 57 73 71 57 52 74 72
Dewpt 44 43 40 39 41 43 42 44 49 51 51 52 53 50 48 46 50 51
PWind Dir N N N E S SW NW N E
Wind Char GN GN GN LT GN LT GN GN GN
Avg Clouds OV B2 B1 SC FW FW CL FW FW FW SC SC SC SC FW FW FW SC
PoP 12hr 50 5 0 0 5 20 20 10 10
Rain shwrs C C S S S
Tstms S
$$
NCZ060-190800-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N 84.12W Elev. 1600 ft
821 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 54 71 47
Temp 66 61 60 60 67 75 76 70 63 59 56 54 62 68 70 64 56 52 49 47
Dewpt 55 57 58 59 63 64 62 62 60 57 54 53 54 51 46 42 41 42 43 43
RH 68 87 93 96 87 69 62 76 90 93 93 96 75 54 42 45 57 69 80 86
Max/Min RH 100 62 96 40 86
Wind Dir SE S N SE W W W NW NW NW NW NW NW NW NW N N N N N
Wind Dir Deg 15 18 0 12 24 27 28 29 30 29 30 30 31 32 32 33 33 34 0 0
Wind Spd 1 1 0 4 4 5 6 6 5 5 5 5 6 9 9 9 5 4 4 5
Clouds B1 B2 B2 OV B2 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 OV
Clouds (%) 60 75 78 93 83 63 60 61 63 79 75 77 58 67 53 79 80 79 77 89
Vsby 10 10 10 6 10 10 10 10 10 10 10
PoP 12hr 60 70 10 20 40
QPF 12hr 0.24 0.36 0 0 0
Rain shwrs C L L C C L S S C C L
Tstms C C C C C C
Obvis PF
Haines 3 4
LAL 1 3 3 3 4 1 1 1 1 1 1
Max Mix Hgt
AGL Mix Hgt 3500 3300
Max Vent Rt 39800 41700
T Wind Dir W N
T Wind Spd 9 10
ADI 35 36
Max LVORI 9 6
Stability F D B B E E B B F D
Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
Sta Pres 27.89 27.91 27.90 27.91 27.92 27.96 27.95 27.94 27.93 27.92
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 40 67 41 73 49 73 45 75
Temp 55 54 45 41 64 60 44 43 71 67 53 51 70 66 50 48 73 68
Dewpt 47 45 42 41 43 42 41 42 46 48 48 49 51 48 46 46 47 49
PWind Dir N NW NW SE S S NW NE S
Wind Char LT LT LT LT GN LT GN LT LT
Avg Clouds OV OV B1 B1 SC FW FW FW FW FW FW SC SC SC SC SC SC SC
PoP 12hr 60 20 5 0 5 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
$$