Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
830 FOUS54 KMRX 080636 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 235 AM EDT Wed May 8 2024 TNZ017-082000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 235 AM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 81 63 76 56 68 Temp 66 65 71 77 79 76 68 66 66 64 69 73 76 73 66 62 58 57 61 65 67 61 Dewpt 63 65 66 64 64 64 64 64 62 64 66 66 64 62 59 57 55 54 52 48 46 44 RH 90100 84 64 60 66 87 93 87100 90 79 66 68 78 84 90 90 72 54 47 53 Wind Dir SW SW SW SW W SW S SE SW SW SW SW W W W W W W W NW NW NW Wind Spd 4 4 8 10 10 5 5 5 8 9 13 17 17 13 10 9 8 10 13 16 17 18 Wind Gust 28 24 27 Clouds B1 B2 B1 B1 B1 B2 B2 OV B2 B2 B1 B2 SC SC SC SC B1 B1 B1 SC SC FW PoP 12hr 60 60 90 40 40 QPF 12hr 0.15 0.79 0.39 0.01 0.07 Rain shwrs L C C C C C L L L D D L L C C S S C C C C Tstms C S C C C C L C C C C C C C S C S Obvis PF PF PF PF PF Flood A A A A A A Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 45 66 47 69 47 74 52 79 Temp 49 47 63 61 50 49 66 64 50 51 72 69 55 56 76 72 Dewpt 42 43 44 46 46 47 46 47 45 47 51 53 51 52 55 56 PWind Dir W W W W S SW SE S Wind Char GN GN GN GN LT GN LT GN Avg Clouds FW FW SC SC SC SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 30 10 10 5 20 10 30 Rain shwrs C S S C Tstms S S C $$ TNZ071-082000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 235 AM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 67 80 58 71 Temp 70 68 74 80 83 80 73 71 68 67 71 76 80 77 69 65 60 59 65 68 70 65 Dewpt 67 68 68 67 68 68 67 67 66 67 69 69 67 65 62 60 58 56 55 53 49 48 RH 90100 82 65 61 67 81 87 93100 93 79 65 67 78 84 93 90 70 59 47 54 Wind Dir SW SW SW SW SW SW SW SW SW S SW SW SW SW W W W NW NW NW NW NW Wind Spd 8 5 9 10 10 9 10 12 12 16 13 17 16 10 5 5 5 8 11 13 14 11 Clouds B1 B2 B2 B1 B1 B1 OV B2 OV B2 B1 B1 SC SC SC B1 B1 B1 SC SC SC FW PoP 12hr 70 80 80 40 30 QPF 12hr 0.29 0.80 0.56 0.05 0.03 Rain shwrs L L C C L L L D D D D L L C C C C C C S S Tstms C S C C L L L C C C C C C C S C C S S S Heat index 86 83 Max heat 82 86 82 Flood A A A A A A Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 70 51 73 51 77 56 80 Temp 51 51 68 66 53 53 71 69 54 54 75 72 59 58 78 74 Dewpt 46 46 46 49 49 50 48 51 49 50 53 56 54 54 58 59 PWind Dir W W SW W S SW SE SE Wind Char LT GN LT GN LT GN LT LT Avg Clouds FW FW FW SC FW SC FW FW FW SC SC SC SC SC SC B1 PoP 12hr 5 20 10 10 5 20 20 40 Rain shwrs S S S S C Tstms S S S C $$ TNZ036-082000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 235 AM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 66 82 58 72 Temp 68 67 74 80 82 78 72 70 67 66 71 78 82 77 68 63 60 58 65 69 71 65 Dewpt 67 67 69 68 69 68 67 66 66 66 69 68 65 63 59 57 55 55 53 50 47 46 RH 97100 84 67 65 71 84 87 97100 93 71 56 62 73 81 84 90 65 51 42 50 Wind Dir SW SW SW SW SW SW SW SW SW SW SW SW W W W NW NW NW NW NW NW NW Wind Spd 3 3 6 10 10 6 8 10 9 13 11 14 14 10 6 5 5 9 12 13 16 12 Clouds B2 B2 B2 B1 B1 B1 OV B2 OV B2 B1 B1 FW FW SC SC B1 B1 SC SC FW FW PoP 12hr 70 70 80 30 30 QPF 12hr 0.24 0.71 0.45 0.04 0 Rain shwrs L C C C L L L L L D D C C C C C C C C S S Tstms C S C C L L L C L C C C C C S S S S Heat index 83 85 Max heat 83 85 84 Flood A A A A A A Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 48 71 49 74 50 78 56 81 Temp 50 50 68 66 52 52 72 68 53 54 76 72 58 58 78 74 Dewpt 45 46 46 47 47 49 48 50 48 50 53 55 52 54 58 59 PWind Dir NW W W W NW SW N SE Wind Char LT GN LT GN LT GN LT GN Avg Clouds FW FW FW SC FW SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 5 20 5 10 5 20 20 40 Rain shwrs S S S S C Tstms S S S C $$ TNZ099-082000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 235 AM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 69 84 61 75 Temp 70 69 77 84 86 83 75 73 70 69 74 81 84 80 72 68 63 61 67 72 74 69 Dewpt 69 68 70 69 69 69 69 69 68 68 69 69 68 66 64 61 59 58 55 53 49 47 RH 97 97 79 61 57 63 82 87 93 97 84 67 59 62 76 78 87 90 65 51 41 45 Wind Dir S S S S S S S S S S SW SW W W W NW NW NW N NW NW NW Wind Spd 4 4 6 11 13 9 9 9 10 11 12 13 14 10 6 6 5 10 13 16 18 14 Clouds B1 B2 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 FW FW SC SC SC B1 B1 FW FW FW PoP 12hr 70 70 80 40 20 QPF 12hr 0.09 0.62 0.28 0.16 0 Rain shwrs C C C C C L L L L D D C C C C C C S S Tstms C C C C C L L C C C C C C C C C S S S Heat index 88 90 87 84 87 Max heat 88 90 83 84 87 Flood A A A A A A Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 75 53 77 54 81 59 81 Temp 55 52 72 70 56 55 75 72 58 56 79 75 63 60 78 76 Dewpt 47 47 46 49 50 50 49 52 50 52 52 55 54 55 58 59 PWind Dir NW W W NW W S SE SE Wind Char GN GN LT GN LT GN LT GN Avg Clouds FW CL FW FW FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 0 5 0 5 0 10 20 30 Rain shwrs S S C Tstms C $$ NCZ060-082000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 235 AM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 63 79 56 72 Temp 65 64 72 81 83 78 70 67 65 63 70 75 78 75 67 63 58 57 65 71 69 62 Dewpt 65 64 68 69 67 67 67 66 65 63 68 67 65 64 63 60 58 56 55 51 48 46 RH 100100 87 67 59 69 90 97100100 93 76 64 69 87 90100 96 70 49 47 56 Min/Max RH 59 100 64 100 47 Wind Dir S SW SW SW SW S S S W S SW W W W W NW NW NW NW NW NW NW Wind Dir Deg 16 20 22 20 20 18 18 17 24 18 20 25 25 26 27 29 29 30 31 31 31 32 Wind Spd 2 3 4 8 10 5 5 6 8 10 10 12 11 9 5 5 5 9 12 16 17 17 Clouds B2 B2 B2 B1 B1 B2 B2 B2 OV B2 OV B2 SC FW SC B1 B1 B1 B1 B1 FW FW Clouds (%) 85 82 70 57 64 70 70 83 92 82 94 79 44 23 36 52 60 57 57 57 22 10 Vsby 10 9 10 10 10 10 10 7 10 8 8 PoP 12hr 70 70 80 40 30 QPF 12hr 0.09 0.57 0.49 0.12 0.07 Rain shwrs L C C C L L L L L D D L L C C C C C C S S Tstms C C C C C L L C C C C L C C C C C C S S Heat index 84 86 Max heat 84 86 Flood A A A A A A Haines 3 4 4 LAL 3 3 4 4 3 4 4 3 3 3 2 Max Mix Hgt AGL Mix Hgt 4400 4600 4800 Max Vent Rt 66100 95000 87600 T Wind Dir SW W NW T Wind Spd 11 16 14 ADI 57 83 76 Max LVORI 9 8 7 Stability D B B D D C B E E C C Ceiling NONE NONE NONE NONE NONE 6300 0 NONE NONE 20800 6300 Sta Pres 27.75 27.71 27.70 27.67 27.70 27.71 27.71 27.73 27.73 27.68 27.73 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 44 70 47 73 47 77 52 78 Temp 48 46 68 64 50 49 71 66 50 50 75 70 55 54 76 72 Dewpt 44 44 44 47 47 47 46 48 46 47 49 53 51 52 55 57 PWind Dir NW NW NW NW NE SW SE SE Wind Char GN GN LT GN LT GN LT GN Avg Clouds FW FW FW SC FW SC FW FW FW FW SC SC SC SC SC B1 PoP 12hr 5 10 5 5 5 10 20 40 Rain shwrs S S C Tstms 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 $$