Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
825 FOUS54 KMRX 210652 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 252 AM EDT Sun Jul 21 2024 TNZ017-212000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 252 AM EDT Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 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 84 68 83 67 85 Temp 67 68 76 82 82 77 72 70 68 68 76 80 82 80 71 69 67 69 77 82 82 78 Dewpt 67 68 69 70 70 69 69 68 67 68 71 70 69 68 68 68 67 68 69 69 68 68 RH 100100 79 67 67 76 90 93 97100 85 72 65 67 90 97100 97 76 65 63 71 Wind Dir E E W W W SE SE SE SW S SW SW W SW SW SW SW SW SW W W SW Wind Spd 1 1 2 3 3 3 1 2 1 1 3 6 6 4 2 1 1 2 2 5 4 3 Clouds B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B2 B2 B1 B2 B2 B1 PoP 12hr 60 40 70 50 70 QPF 12hr 0.18 0.08 0.10 0.04 0.24 Rain shwrs S C L C S S S C C L L C C S S S C L L C Tstms S C C S S S C C L C C S S C C C C Obvis F PF PF Heat index 86 86 85 86 85 Max heat 88 88 84 87 87 88 Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 67 81 68 80 66 83 66 85 Temp 70 69 78 79 70 69 77 78 69 68 79 78 68 68 83 82 Dewpt 68 68 71 69 69 69 70 68 68 68 69 69 66 66 67 67 PWind Dir S SW SW SW S SW NE NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B1 SC B1 B1 SC PoP 12hr 60 70 60 70 50 50 30 40 Rain shwrs C L C L L L L L C C C C C S S C Tstms C C C C C C C C C S S C C S S C $$ TNZ071-212000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 252 AM EDT Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 70 86 69 85 Temp 70 71 77 83 85 80 75 73 71 71 78 83 86 81 74 72 71 70 79 83 83 78 Dewpt 70 71 72 72 72 72 72 71 70 71 73 72 72 71 71 70 69 70 72 72 72 71 RH 100100 85 70 65 77 90 93 97100 85 70 63 72 90 93 93100 79 70 70 79 Wind Dir S E SW SW W W SW SW SW SW SW SW SW W S S S S SW W W SW Wind Spd 2 2 3 4 4 3 2 2 3 3 4 6 6 4 3 2 2 2 3 4 4 4 Clouds B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 40 40 70 50 70 QPF 12hr 0.08 0.09 0.08 0.05 0.32 Rain shwrs S S S C C C S S S C C L L C C S S C C L L L Tstms S C C S S S C L L C C S S C L L L Heat index 88 91 84 88 92 85 88 88 Max heat 88 91 88 92 88 90 Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 82 70 81 69 86 70 87 Temp 73 72 79 80 73 71 79 79 72 71 82 81 72 71 85 84 Dewpt 71 70 73 71 70 70 73 71 70 69 73 70 70 69 71 71 PWind Dir S SW SW SW S W SE N Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 60 80 60 70 50 60 30 40 Rain shwrs L C C D L C L L C C C L C S C C Tstms L C C L L C C C C C S C C S S C $$ TNZ036-212000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 252 AM EDT Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 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 70 85 68 84 Temp 71 71 77 82 84 79 73 71 70 71 77 82 84 80 72 71 68 70 78 81 82 78 Dewpt 71 71 72 73 73 73 72 71 70 71 74 72 71 70 70 69 68 69 72 72 71 71 RH 100100 85 74 70 82 97100100100 90 72 65 72 93 93100 97 82 74 69 79 Wind Dir E S S SW SW NW S S SW SW SW SW SW W SW SW SW SW SW SW W S Wind Spd 1 2 2 3 3 2 1 2 2 2 3 4 4 3 1 1 1 2 2 2 3 2 Clouds B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 50 40 70 40 70 QPF 12hr 0.14 0.06 0.07 0.04 0.40 Rain shwrs S S S C C C S S S C C L L C C S S C C L L C Tstms S C C S S S C L L C C S S C L C C Heat index 87 90 87 89 83 85 86 Max heat 87 90 87 90 85 87 Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 70 82 70 81 69 84 68 87 Temp 72 71 79 78 71 71 79 78 70 70 81 80 70 70 85 83 Dewpt 71 70 73 71 70 71 73 70 69 69 73 70 70 69 71 70 PWind Dir SW SW SW SW W SW N NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 50 70 50 70 40 60 20 40 Rain shwrs C C C L C C L L C C C L S S C C Tstms C C C L C C C C C C C C S S S C $$ TNZ099-212000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 252 AM EDT Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 71 88 70 86 Temp 75 73 80 85 86 81 75 73 72 72 79 85 87 83 76 73 72 71 79 83 84 81 Dewpt 71 71 71 72 73 73 72 71 70 71 74 72 72 71 71 71 71 71 73 73 73 72 RH 87 93 74 65 65 77 90 93 93 97 85 65 61 67 85 93 97100 82 72 70 74 Wind Dir S S SW S S SW S S S S SW SW SW SW SW S S S S S SW SW Wind Spd 2 2 3 4 5 3 2 2 2 3 3 5 6 3 2 1 1 1 2 3 4 3 Clouds B2 B2 B2 B2 B1 B2 B2 B1 B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 40 30 60 40 80 QPF 12hr 0.15 0.08 0.13 0.17 0.54 Rain shwrs S C C C S S S C C L L C C C S C C L D C Tstms C C S S S C L L C C C S S C L C C Heat index 83 91 93 86 91 94 88 89 90 85 Max heat 91 94 91 94 83 89 90 Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 85 71 83 71 87 70 89 Temp 73 72 81 80 74 72 81 81 73 72 83 82 73 71 86 85 Dewpt 71 70 73 71 70 70 73 72 70 70 72 71 71 70 72 71 PWind Dir SW SW SW SW S SW SW W Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 50 80 60 70 40 60 30 50 Rain shwrs C C L D L C L L C C C L C S C C Tstms C C C L L C C C C C C C C S S C $$ NCZ060-212000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 252 AM EDT Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 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 83 67 84 64 83 Temp 68 68 75 81 82 76 70 69 68 67 74 80 83 77 69 68 65 67 75 81 79 75 Dewpt 68 68 69 70 71 71 70 69 68 67 72 70 70 70 69 68 65 67 71 70 71 70 RH 100100 82 69 69 85100100100100 93 72 65 79100100100100 87 69 77 84 Min/Max RH 69 100 65 100 69 Wind Dir E SE SW SW SW SW E NE E SE SW SW SW SW NE N NE N SW SW SW S Wind Dir Deg 7 13 22 23 22 20 8 6 7 15 21 22 23 22 5 0 3 0 20 22 23 19 Wind Spd 1 1 2 3 3 2 1 2 1 1 2 4 4 2 1 1 1 0 1 3 3 2 Clouds B2 B2 B2 B2 B1 B2 B2 B2 OV OV B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 Clouds (%) 83 85 74 71 69 84 72 74 95 94 75 71 57 65 60 75 87 84 75 80 78 71 Vsby 5 4 10 10 10 10 10 10 4 7 10 PoP 12hr 50 40 70 50 80 QPF 12hr 0.21 0.09 0.04 0.11 0.60 Rain shwrs C S C C C C S S S C C L L C C C S C C D D L Tstms S C C S S S C L L C C C S C L L L Obvis PF PF Heat index 85 86 83 87 85 Max heat 85 86 83 87 85 85 Haines 3 4 3 LAL 1 3 3 2 2 4 4 3 3 4 4 Max Mix Hgt AGL Mix Hgt 3700 4400 3900 Max Vent Rt 29400 40600 31400 T Wind Dir SW W SW T Wind Spd 5 6 5 ADI 26 35 27 Max LVORI 10 9 10 Stability D B B F D B B F D B B Ceiling NONE NONE NONE NONE NONE NONE 15900 NONE NONE NONE NONE Sta Pres 27.97 27.94 27.92 27.93 27.94 27.93 27.90 27.96 27.99 28.01 28.01 Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 65 82 66 80 65 83 65 84 Temp 69 68 79 76 69 68 77 75 68 67 80 76 68 66 82 79 Dewpt 68 68 71 70 67 67 71 70 68 67 70 69 68 66 70 70 PWind Dir SW SW SW SW N W NE NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 OV B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 70 80 70 80 60 70 40 60 Rain shwrs L C C D L C L D L C C L C S C L Tstms L C C L L C C C L C C L C S S 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 $$