Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
137 FOUS54 KMRX 140723 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 322 AM EDT Wed May 14 2025 TNZ017-142000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 322 AM EDT Wed May 14 2025 Date Wed 05/14/25 Thu 05/15/25 Fri 05/16/25 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 60 83 66 84 Temp 58 59 66 71 75 73 65 63 62 63 73 80 83 79 72 69 68 68 76 82 83 80 Dewpt 57 59 62 62 61 61 60 60 60 62 66 67 67 68 66 65 65 66 68 68 67 65 RH 96100 87 73 62 66 84 90 93 97 79 65 59 69 81 87 90 93 76 63 59 60 Wind Dir S SE SW W W S SE SE SE SE SW SW W SW SW SW SW SW W SW SW SW Wind Spd 1 1 2 5 5 2 2 1 1 1 4 9 10 5 4 4 4 4 6 10 10 6 Clouds B2 B2 B1 B1 SC SC B1 B2 B2 B1 SC B1 SC SC B1 B1 B2 B2 B2 B2 B1 B1 PoP 12hr 50 30 20 20 40 QPF 12hr 0.05 0.30 0 0.02 0.04 Rain shwrs C C S C C S S S S S S S C C C C C Tstms S C C S S S S S S S S S S C Obvis PF PF PF Heat index 86 86 Max heat 84 86 85 87 Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 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 64 80 60 79 58 81 60 84 Temp 67 66 75 73 65 64 77 73 61 61 78 76 64 64 81 77 Dewpt 63 64 66 63 61 62 61 60 58 59 61 61 59 60 64 66 PWind Dir SW SW SW W W NW E SW Wind Char LT GN LT LT LT LT LT LT Avg Clouds B1 B2 B2 B1 B1 B1 B1 SC B1 SC B1 SC SC B1 B1 B1 PoP 12hr 60 70 20 40 20 20 5 20 Rain shwrs C L L C S S C S S S S Tstms C C C S S $$ TNZ071-142000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 322 AM EDT Wed May 14 2025 Date Wed 05/14/25 Thu 05/15/25 Fri 05/16/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 65 86 70 86 Temp 60 61 68 76 79 74 68 68 66 67 76 82 86 81 75 73 72 72 78 84 86 81 Dewpt 59 61 63 64 64 65 63 62 63 64 67 69 69 68 67 66 66 67 70 70 68 67 RH 96100 84 66 60 74 84 81 90 90 74 65 57 65 76 79 81 84 76 63 55 63 Wind Dir SW SW SW SW SW SW S W S SW SW SW SW SW SW SW SW S SW SW SW SW Wind Spd 2 2 4 6 8 4 3 3 3 4 9 11 12 9 8 6 5 5 8 10 11 9 Clouds B2 B2 B2 SC SC B1 SC B1 SC B1 SC SC SC B2 B2 B2 B2 B2 B2 B2 B1 B2 PoP 12hr 40 30 5 10 30 QPF 12hr 0.04 0.01 0 0 0.01 Rain shwrs S C C S S C C C C C Tstms C C S S S C Heat index 85 90 84 88 89 Max heat 85 90 88 90 Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 81 64 81 63 84 65 87 Temp 73 69 77 75 68 66 78 75 66 65 81 78 69 68 83 80 Dewpt 65 66 68 66 64 63 65 65 63 63 66 67 64 64 68 67 PWind Dir SW SW SW SW S N SE SW Wind Char GN GN LT LT LT LT LT LT Avg Clouds B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 70 70 30 50 30 30 5 20 Rain shwrs C L L C C S C C C S S C S Tstms C C S C S S $$ TNZ036-142000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 322 AM EDT Wed May 14 2025 Date Wed 05/14/25 Thu 05/15/25 Fri 05/16/25 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 79 64 86 69 86 Temp 60 61 68 77 79 74 68 66 65 66 75 82 86 80 74 71 69 70 77 84 86 80 Dewpt 60 61 64 65 66 65 63 63 63 65 67 69 69 69 67 67 67 67 70 71 69 67 RH 100100 87 67 64 74 84 90 93 97 76 65 57 69 79 87 93 90 79 65 57 65 Wind Dir SW SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW SW SW SW SW SW Wind Spd 2 2 2 4 5 3 2 2 2 4 6 9 10 6 5 4 4 4 5 8 9 6 Wind Gust 19 Clouds B2 B2 B2 SC SC B1 SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 30 30 5 10 40 QPF 12hr 0.02 0 0 0 0.02 Rain shwrs S C C S C C C C C Tstms C C S S S C Obvis PF Heat index 85 90 83 89 90 Max heat 85 90 89 91 Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 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 68 81 63 81 63 84 65 86 Temp 71 69 77 75 66 65 78 74 66 65 81 78 69 68 83 79 Dewpt 66 66 68 66 64 63 65 64 63 63 67 66 64 64 68 67 PWind Dir SW SW SW SW NW S NE S Wind Char LT GN LT LT LT LT LT LT Avg Clouds B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 70 70 30 50 20 30 5 20 Rain shwrs C L L C C C C C S S S C S Tstms C C S C S S S $$ TNZ099-142000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 322 AM EDT Wed May 14 2025 Date Wed 05/14/25 Thu 05/15/25 Fri 05/16/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 65 86 70 88 Temp 61 60 70 76 80 77 70 68 66 67 76 84 86 82 75 72 71 72 79 85 87 82 Dewpt 61 60 66 68 66 66 66 65 64 64 67 69 69 69 68 67 68 69 71 70 68 68 RH 100100 87 76 62 69 87 90 93 90 74 61 57 65 79 84 90 90 77 61 53 63 Wind Dir S S S S S S S S S S S S SW S SW S S S SW SW SW S Wind Spd 1 1 2 5 8 4 2 2 3 4 6 9 9 5 3 2 2 3 5 8 9 5 Wind Gust 19 16 Clouds B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 30 10 0 0 20 QPF 12hr 0.05 0 0 0 0.01 Rain shwrs S C S S S S Tstms C S S S Heat index 88 90 85 90 91 85 Max heat 83 88 90 83 90 91 Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 84 65 81 65 85 67 88 Temp 73 70 79 77 68 67 78 75 67 67 82 80 69 69 85 82 Dewpt 67 67 70 68 66 66 69 67 66 65 69 70 67 67 69 69 PWind Dir SW SW SW SW NW SE S S Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B2 B1 B1 B1 B2 B2 B1 B1 B1 SC SC B1 B1 B1 PoP 12hr 60 70 30 60 20 20 5 20 Rain shwrs S L L L C C C L S S S S S Tstms S C S C S C C C S S $$ NCZ060-142000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 322 AM EDT Wed May 14 2025 Date Wed 05/14/25 Thu 05/15/25 Fri 05/16/25 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 79 60 85 64 86 Temp 58 58 66 76 76 72 66 63 62 62 73 81 84 78 70 66 65 66 76 84 85 80 Dewpt 57 58 63 61 60 61 60 60 60 62 65 64 65 65 64 63 63 64 68 66 63 63 RH 96100 90 60 58 68 81 90 93100 76 56 53 64 81 90 93 93 76 55 48 56 Min/Max RH 56 100 53 93 48 Wind Dir N N SW W SW S SE SE SE S SW SW SW SW SW SW SW S SW SW SW SW Wind Dir Deg 0 0 23 24 21 18 14 13 15 17 20 22 22 20 20 20 20 18 23 23 22 20 Wind Spd 0 0 2 4 4 2 2 2 1 2 3 5 5 3 2 1 1 1 2 5 6 4 Clouds B2 OV B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 Clouds (%) 86 88 69 34 50 48 30 44 41 43 29 37 40 61 59 61 74 74 75 73 65 63 Vsby 4 3 10 10 10 10 10 10 10 10 10 PoP 12hr 40 20 5 5 20 QPF 12hr 0.10 0 0 0 0 Rain shwrs C S S C S S S S S Tstms S C S S S Obvis PF PF ChanceThunder 40 20 5 5 20 Max Mix Hgt AGL Mix Hgt 4400 3900 4800 Max Vent Rt 52500 58600 82100 T Wind Dir W SW SW T Wind Spd 9 11 11 ADI 46 51 71 Max LVORI 9 9 6 Stability D A A G G B B F F B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.77 27.76 27.73 27.75 27.78 27.78 27.81 27.83 27.86 27.85 27.79 Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 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 63 82 60 80 60 84 62 85 Temp 68 64 78 73 64 63 76 72 63 62 81 76 65 65 82 78 Dewpt 63 63 65 63 62 62 63 62 60 61 63 65 63 63 64 64 PWind Dir S SW SW W NW W SE S Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 PoP 12hr 50 70 30 50 20 30 5 20 Rain shwrs S C L L C S C C S S C S Tstms S C S C 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 $$