Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
669 FOUS54 KMRX 230500 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1259 AM EDT Thu May 23 2024 TNZ017-232000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1259 AM EDT Thu May 23 2024 Date Thu 05/23/24 Fri 05/24/24 Sat 05/25/24 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 61 79 62 82 Temp 62 64 72 76 77 74 68 65 63 63 72 77 78 75 69 66 64 64 73 79 81 77 Dewpt 62 64 66 66 64 64 63 62 62 63 66 66 65 64 64 62 62 63 67 67 66 67 RH 100100 81 71 64 71 84 90 97100 81 69 64 69 84 87 93 97 81 67 60 71 Wind Dir S SE S NW W S SW SE E E SW W W SW S S SW SW SW W W SW Wind Spd 2 1 3 5 5 3 2 1 1 1 2 5 5 3 2 2 2 3 5 8 6 4 Clouds B1 B1 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 SC FW SC PoP 12hr 80 50 70 50 50 QPF 12hr 0.36 0.04 0.13 0.32 0.04 Rain shwrs C L D C C C C L L L L C C C C C C C C C Tstms C L C C C C C C C C C C C C C C C C C C Obvis PF PF PF F Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 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 63 83 64 81 59 75 55 73 Temp 67 65 80 79 68 66 79 76 64 61 73 71 60 57 71 68 Dewpt 63 64 67 67 64 64 67 64 61 60 57 56 56 56 53 53 PWind Dir S SW S SW W W W W Wind Char LT LT LT GN LT GN LT GN Avg Clouds SC SC B1 B1 SC B1 B1 SC B1 B1 SC SC SC SC SC SC PoP 12hr 30 70 60 70 40 50 30 30 Rain shwrs C S L L L L L L C C C C C S C C Tstms C S C C C C C C C C C C C C $$ TNZ071-232000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1259 AM EDT Thu May 23 2024 Date Thu 05/23/24 Fri 05/24/24 Sat 05/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 64 79 65 85 Temp 65 67 75 78 79 76 71 68 66 66 73 77 78 76 71 68 67 67 77 83 84 80 Dewpt 62 64 67 68 67 67 66 64 64 65 68 68 68 67 67 65 65 66 69 70 69 69 RH 90 90 76 71 67 74 84 87 93 97 84 74 71 74 87 90 93 97 76 65 61 69 Wind Dir SW S SW SW W SW S S SE S SW SW SW SW S S S S SW W W SW Wind Spd 3 2 4 5 6 3 2 2 2 2 4 6 6 5 4 4 4 4 5 8 6 3 Clouds B1 B2 B2 B2 B2 B2 SC B2 B2 B2 B2 B2 B1 B1 B1 SC B1 B1 B1 SC SC SC PoP 12hr 80 50 70 50 60 QPF 12hr 0.17 0.06 0.17 0.08 0.04 Rain shwrs C L L C C C C L L L L C C C C C C L L C Tstms C L C C C C C C C C C C C C C C C C C C Obvis PF Heat index 87 88 83 Max heat 87 88 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 85 67 83 62 78 59 77 Temp 70 67 83 81 71 69 81 78 67 64 76 74 63 61 75 72 Dewpt 66 66 70 68 66 67 69 67 64 61 60 59 58 58 56 57 PWind Dir S SW S SW SW W W NW Wind Char LT LT LT GN LT LT LT LT Avg Clouds SC B1 B1 SC B1 B2 B1 SC SC B1 SC SC SC SC SC FW PoP 12hr 40 70 70 70 50 40 20 20 Rain shwrs C C L L L L L L C C C C S S S S Tstms C C C C C C C C C C C C $$ TNZ036-232000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1259 AM EDT Thu May 23 2024 Date Thu 05/23/24 Fri 05/24/24 Sat 05/25/24 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 80 63 79 64 86 Temp 64 66 74 78 79 76 70 67 65 65 73 77 78 76 70 67 66 67 77 83 85 81 Dewpt 64 65 68 69 68 66 65 64 63 64 69 69 68 66 66 65 65 66 69 70 69 69 RH 100 97 82 74 69 71 84 90 93 97 87 76 71 71 87 93 97 97 76 65 59 67 Wind Dir SW SE SW W W SW W SE E S SW SW SW SW S SW SW SW SW SW SW SW Wind Spd 2 2 2 4 3 2 2 2 2 2 3 4 5 3 2 2 2 3 4 4 4 2 Clouds B1 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B1 SC SC SC PoP 12hr 80 50 70 50 60 QPF 12hr 0.25 0.06 0.17 0.07 0.04 Rain shwrs C C D L C C C C L L L L C C C C C C L L C Tstms C C L C C C C C C C C C C C C C C C C C C Obvis PF PF Heat index 87 89 84 Max heat 87 89 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 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 85 66 83 60 78 58 77 Temp 70 67 83 81 70 68 81 78 65 62 76 73 63 60 75 72 Dewpt 66 66 70 68 65 67 69 66 61 60 59 58 56 57 56 56 PWind Dir SW SW SW SW W W W NW Wind Char LT LT LT GN LT LT LT LT Avg Clouds SC B2 B2 SC B1 B2 B1 SC SC SC SC SC SC SC FW FW PoP 12hr 40 70 80 70 40 40 20 20 Rain shwrs C C L L L D L L C C C C S S S S Tstms C C C C C C C C C C C C $$ TNZ099-232000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1259 AM EDT Thu May 23 2024 Date Thu 05/23/24 Fri 05/24/24 Sat 05/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 67 83 68 88 Temp 68 70 79 84 85 82 75 71 69 69 77 81 82 80 74 71 70 70 80 86 87 83 Dewpt 64 65 67 65 65 66 67 66 65 66 68 68 68 68 69 67 67 67 70 69 69 70 RH 87 84 67 53 51 58 76 84 87 90 74 65 63 67 84 87 90 90 72 57 55 65 Wind Dir S SE S SW SW S NW S S S S SW SW SW S S S SW SW SW W SW Wind Spd 3 2 3 5 5 3 2 1 1 2 3 5 6 4 2 2 2 2 3 4 5 2 Clouds B1 B2 B2 B1 B1 B2 SC B1 B1 B2 B2 B2 B1 B1 B1 SC B1 B1 B1 SC SC B1 PoP 12hr 50 40 60 40 50 QPF 12hr 0.03 0.04 0.31 0.05 0.03 Rain shwrs C C C C S C C C C L L C C C C C C C C C Tstms S C C C S C C C C C C C C C C C C C C C Heat index 84 85 83 83 90 91 87 Max heat 86 87 84 85 90 91 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 89 69 86 63 81 60 81 Temp 73 71 86 84 74 71 84 81 68 65 79 76 65 63 78 76 Dewpt 68 69 70 68 68 69 70 68 64 61 59 59 58 58 56 56 PWind Dir S S S SW W NW NW NW Wind Char LT LT LT GN LT LT LT LT Avg Clouds SC B1 B1 SC SC B2 B1 SC SC SC SC FW FW FW FW FW PoP 12hr 40 60 70 60 50 30 10 10 Rain shwrs C C L L L L C L C C C C Tstms C C C C C C C C C C C C $$ NCZ060-232000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1259 AM EDT Thu May 23 2024 Date Thu 05/23/24 Fri 05/24/24 Sat 05/25/24 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 82 62 80 62 85 Temp 60 63 74 79 81 77 70 67 64 64 73 78 79 76 70 66 64 65 76 82 84 80 Dewpt 60 62 66 66 64 64 64 63 62 63 67 67 66 66 65 64 63 65 69 67 66 67 RH 100 97 76 64 56 64 81 87 93 97 81 69 64 71 84 93 97100 79 61 55 65 Min/Max RH 56 97 64 100 55 Wind Dir SE N SW SW SW W N N N N SW SW SW SW S S S SW W W W W Wind Dir Deg 15 0 22 22 22 27 0 0 0 0 22 22 20 21 16 16 17 20 26 26 27 28 Wind Spd 2 0 2 4 4 2 0 0 0 0 2 3 4 2 1 1 1 1 2 4 4 2 Clouds SC B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC Clouds (%) 49 70 72 79 62 54 53 57 69 71 73 71 69 54 54 55 61 60 53 40 26 35 Vsby 10 10 10 10 10 10 10 7 4 PoP 12hr 60 40 60 40 50 QPF 12hr 0.14 0.02 0.26 0.10 0.04 Rain shwrs S C C C C C C C L L L L C C C C C C C C C Tstms S C C C C C C C C C C C C C C C C C C C C Obvis PF Heat index 85 Max heat 83 85 86 Haines 4 4 4 LAL 1 3 3 3 3 3 3 3 3 3 3 Max Mix Hgt AGL Mix Hgt 3600 3000 6000 Max Vent Rt 31900 20800 68700 T Wind Dir SW SW W T Wind Spd 6 6 9 ADI 28 18 60 Max LVORI 9 8 10 Stability F B A F F B B F F A A Ceiling NONE NONE NONE NONE NONE NONE NONE 20800 NONE 7200 NONE Sta Pres 27.88 27.87 27.85 27.85 27.83 27.83 27.79 27.79 27.83 27.80 27.76 Date Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 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 62 85 64 82 59 78 54 76 Temp 67 65 82 80 69 66 80 77 64 61 76 72 60 57 73 70 Dewpt 64 64 67 66 65 66 68 66 62 60 58 57 56 55 54 54 PWind Dir SW S S SW W NW NW NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 SC SC B2 B2 SC SC B1 SC SC SC SC FW FW PoP 12hr 30 70 70 70 50 40 20 20 Rain shwrs C C L L L L L L C C C C S S S Tstms C C C C C C C C C C C 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 $$