Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
825 FOUS54 KMRX 081024 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 624 AM EDT Wed May 8 2024 TNZ017-082000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 624 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 77 63 77 56 67 Temp 67 71 74 75 72 67 65 64 64 69 73 76 73 66 63 58 56 61 65 66 62 Dewpt 66 68 66 65 64 63 62 62 63 66 66 65 63 61 59 56 54 52 49 46 45 RH 97 90 76 71 76 87 90 93 97 90 79 69 71 84 87 93 93 72 56 48 54 Wind Dir SW SW SW SW W E NE SW SW SW SW SW W W W W W NW NW NW NW Wind Spd 8 9 10 8 5 5 5 9 9 13 14 13 13 10 10 9 9 10 12 13 16 Wind Gust 25 25 24 26 Clouds B2 B2 B2 B1 B1 B2 OV B2 B2 B1 B1 SC FW SC SC B1 B1 B1 SC B1 SC PoP 12hr 70 80 90 30 30 QPF 12hr 0.63 0.88 0.29 0.01 0.02 Rain shwrs S L C C S D L L D L C C C C S S C C S S Tstms S C C C S C C C C C C C C S S S Obvis PF PF PF F 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 67 48 70 48 74 53 76 Temp 49 49 64 61 51 50 67 65 52 52 72 69 57 57 74 71 Dewpt 44 44 46 47 47 47 46 48 46 47 51 54 51 54 57 57 PWind Dir W W W W SE S SE SE Wind Char GN GN GN GN LT GN LT GN Avg Clouds FW FW SC SC SC SC SC FW FW SC B1 B1 B1 B1 B1 B1 PoP 12hr 5 30 10 10 5 20 20 50 Rain shwrs C S S S C C Tstms S S C $$ TNZ071-082000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 624 AM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 67 80 58 70 Temp 71 77 77 79 76 71 68 68 68 72 77 80 77 69 64 60 58 64 67 69 65 Dewpt 68 70 69 68 68 66 65 66 67 68 69 68 67 63 61 58 56 54 53 50 50 RH 90 79 76 69 76 84 90 93 97 87 76 67 71 81 90 93 93 70 61 51 58 Wind Dir SW SW SW S NE SE E SW S SW SW SW W W W W NW NW NW NW NW Wind Spd 11 10 11 10 8 6 8 13 16 13 14 13 9 6 5 5 6 10 11 13 13 Clouds B1 B1 B1 B1 B2 B1 B2 OV B2 B1 B1 SC FW SC SC B1 B1 SC SC FW FW PoP 12hr 70 80 80 30 20 QPF 12hr 0.43 1.72 0.15 0.03 0.02 Rain shwrs C C L D L L D D L C C S S C C S S S S Tstms C C L L L L C C C C C S S S S S Heat index 83 Max heat 83 Flood A A A A A A Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 71 51 74 53 77 57 78 Temp 52 51 68 67 54 53 72 69 55 55 75 72 59 59 76 73 Dewpt 47 47 48 50 50 50 50 53 50 51 55 58 55 56 61 61 PWind Dir NW W SW W SE S SE SE Wind Char LT GN LT GN LT LT LT GN Avg Clouds FW FW FW SC FW FW FW SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 0 10 5 10 5 20 30 50 Rain shwrs S S C C C Tstms S C $$ TNZ036-082000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 624 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 80 66 82 57 71 Temp 70 74 76 78 74 70 68 68 67 73 79 82 77 68 63 59 58 65 69 70 65 Dewpt 68 70 69 69 68 65 65 66 67 68 69 67 64 61 58 55 55 53 51 49 47 RH 93 87 79 74 82 84 90 93100 84 72 61 64 78 84 87 90 65 53 47 52 Wind Dir SW SW N S NE E N SW SW SW SW W W W W NW NW NW NW NW NW Wind Spd 9 9 10 10 8 8 8 12 13 11 12 12 9 6 5 5 6 9 11 13 12 Clouds OV B2 B1 B2 B2 B2 B2 OV B2 B1 B1 SC FW FW SC SC B1 FW FW FW FW PoP 12hr 80 80 80 20 20 QPF 12hr 0.62 1.62 0.17 0.01 0 Rain shwrs C D C L D C D L D C C C S S S S S S Tstms C C C L D C L C C C C C S S Heat index 85 Max heat 85 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 72 50 75 53 78 57 78 Temp 51 51 70 66 53 52 73 69 55 55 75 71 59 59 76 72 Dewpt 47 46 47 49 48 49 49 51 49 50 56 57 55 56 61 60 PWind Dir NW W W W N S E SE Wind Char LT GN LT GN LT LT LT LT Avg Clouds FW FW FW SC FW FW FW SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 0 20 5 10 5 20 30 50 Rain shwrs S S S C C C Tstms S S S $$ TNZ099-082000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 624 AM EDT Wed May 8 2024 Date Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 68 85 61 75 Temp 73 78 83 86 82 75 72 71 69 74 81 85 81 73 68 63 61 68 72 74 69 Dewpt 69 71 70 69 69 69 69 68 67 69 69 68 67 65 62 59 58 55 53 50 48 RH 87 79 65 57 65 82 90 90 93 84 67 57 63 76 81 87 90 63 51 43 47 Wind Dir S SW S S S S S S S SW SW W W W NW NW N N NW NW NW Wind Spd 9 9 11 13 10 9 10 11 11 12 12 13 9 6 5 5 6 11 13 16 14 Clouds B1 SC B1 SC SC SC B1 B2 B2 B1 B1 SC FW SC SC SC SC FW FW FW FW PoP 12hr 40 80 80 30 10 QPF 12hr 0.05 0.45 0.12 0.07 0 Rain shwrs S C C C C C D D L C C C C Tstms S C C C C C C C C C C S Heat index 87 90 85 84 88 Max heat 87 90 84 88 Flood A A A A A A Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 76 53 79 55 80 60 78 Temp 55 53 73 70 56 55 76 73 59 58 78 74 62 62 76 73 Dewpt 48 48 47 50 51 50 49 53 52 52 55 58 58 59 62 61 PWind Dir NW NW W W N SE SE SE Wind Char GN GN LT LT LT GN LT GN Avg Clouds CL CL FW FW FW FW SC SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 0 5 0 5 5 20 30 50 Rain shwrs S S C C C Tstms S S S $$ NCZ060-082000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 624 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 71 Temp 68 75 80 82 77 70 67 66 64 70 76 78 75 68 63 58 57 66 70 69 62 Dewpt 66 69 68 67 66 65 66 66 64 67 67 66 65 64 61 58 57 55 51 48 47 RH 93 82 67 61 69 84 97100100 90 74 67 71 87 93100100 68 51 47 58 Min/Max RH 60 100 67 100 47 Wind Dir S SW SW SW S SE S SW S SW SW W W W NW NW NW NW NW NW NW Wind Dir Deg 18 22 20 21 19 14 18 23 18 20 23 25 27 28 29 29 30 31 31 32 32 Wind Spd 5 5 9 10 8 5 8 11 10 10 11 10 8 5 5 4 5 10 13 13 18 Clouds B2 B1 SC SC SC B1 B2 OV B2 OV B1 SC FW SC SC SC SC FW FW FW CL Clouds (%) 83 67 46 32 29 56 76 96 82 94 65 37 15 46 43 47 46 23 18 22 5 Vsby 10 10 10 10 10 10 10 10 7 8 10 10 PoP 12hr 40 90 80 30 20 QPF 12hr 0.11 0.88 0.22 0.07 0.02 Rain shwrs C C C C C L L D D L C C S S C C S S S S Tstms C C C C C L C C C C C C S S S S S Heat index 83 85 Max heat 83 85 Flood A A A A A A Haines 3 4 4 LAL 3 4 4 4 3 3 3 2 2 2 2 Max Mix Hgt AGL Mix Hgt 4100 4300 5700 Max Vent Rt 56800 83400 117500 T Wind Dir SW W NW T Wind Spd 10 16 14 ADI 49 73 102 Max LVORI 6 9 8 Stability D B B E D C B F F B C Ceiling NONE NONE NONE NONE NONE 7200 5500 NONE 18200 14800 7200 Sta Pres 27.78 27.74 27.69 27.68 27.70 27.71 27.70 27.73 27.72 27.70 27.74 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 71 47 73 48 77 53 75 Temp 48 47 69 64 51 49 71 67 52 52 74 70 57 56 74 68 Dewpt 45 44 44 47 48 47 46 49 47 48 51 54 53 55 57 58 PWind Dir NW NW NW NW E SE SE SE Wind Char GN GN LT GN LT GN LT GN Avg Clouds FW FW FW SC FW FW SC SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 0 5 5 5 5 20 40 50 Rain shwrs S S C C C Tstms 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 $$