Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
372 FOUS54 KMRX 281122 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 722 AM EDT Mon Apr 28 2025 TNZ017-282000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 722 AM EDT Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 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 78 53 81 59 81 Temp 54 68 76 78 73 63 58 54 56 72 79 80 75 66 63 60 62 71 78 79 74 Dewpt 46 49 49 48 49 48 46 45 48 55 58 59 59 60 59 58 60 63 62 61 61 RH 74 51 39 35 43 58 64 71 74 55 49 49 58 81 87 93 93 76 58 54 64 Wind Dir E S SW SW S SE SE E SE SW SW W SW SW SW SW SW SW SW W SW Wind Spd 2 3 5 5 4 4 2 2 2 3 8 9 5 2 2 1 1 3 5 5 2 Clouds B1 FW FW FW FW FW FW FW FW FW SC SC SC SC SC B1 B1 B1 SC SC SC PoP 12hr 5 0 20 20 50 QPF 12hr 0 0 0.02 0.01 0.01 Rain shwrs S S S S C C C C Tstms S S S S S Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 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 60 81 60 75 50 70 43 73 Temp 63 62 77 73 63 62 72 67 57 53 67 63 49 48 70 66 Dewpt 59 60 62 59 57 59 59 57 52 50 44 42 42 42 44 46 PWind Dir S SW SW W W NW NE N Wind Char LT LT LT GN LT LT LT LT Avg Clouds SC B1 B1 B1 B1 B1 B2 B1 B1 SC FW FW FW FW FW FW PoP 12hr 5 50 30 70 30 10 5 10 Rain shwrs C C C C C L C Tstms S C C S C $$ TNZ071-282000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 722 AM EDT Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 56 82 61 83 Temp 56 69 79 82 76 67 63 58 59 75 80 82 78 68 66 63 64 74 80 83 77 Dewpt 49 55 57 57 59 55 52 51 54 61 62 62 62 62 61 60 60 64 65 63 63 RH 77 61 47 43 56 65 67 77 83 62 54 51 58 81 84 90 87 71 60 51 62 Wind Dir NE W SW SW S S SW W SW SW SW SW SW SW S S SW SW SW SW SW Wind Spd 2 2 4 5 5 4 3 3 3 6 10 10 5 4 3 2 2 4 5 5 3 Clouds SC FW FW FW FW FW FW FW SC SC SC SC SC SC SC B1 B2 B1 B1 SC SC PoP 12hr 5 0 30 10 50 QPF 12hr 0 0 0.03 0 0.01 Rain shwrs C C S S C C Tstms C S S S Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 82 63 77 52 73 48 76 Temp 66 64 79 75 67 64 74 68 59 55 70 66 54 52 73 70 Dewpt 61 61 62 59 59 61 62 57 55 52 47 47 46 45 48 50 PWind Dir S SW SW SW NW N NE N Wind Char LT GN GN GN LT LT LT LT Avg Clouds SC B1 B1 B1 B2 B2 B1 B1 B1 SC FW FW FW FW FW FW PoP 12hr 10 40 40 70 30 10 5 10 Rain shwrs C C C C C L C Tstms S C S S S C $$ TNZ036-282000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 722 AM EDT Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 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 81 58 81 62 83 Temp 56 70 78 81 76 67 62 59 60 72 79 81 77 68 65 63 64 73 81 82 77 Dewpt 48 54 58 58 59 56 54 52 54 61 64 64 62 62 61 61 62 64 65 64 63 RH 74 57 50 46 56 68 75 78 81 68 60 56 60 81 87 93 93 73 58 55 62 Wind Dir N SW SW SW SW SW W SW SW SW SW SW SW SW SW SW SW SW SW SW SW Wind Spd 1 2 5 5 4 3 2 2 3 5 9 8 4 3 2 2 2 3 5 4 2 Clouds SC FW FW FW FW CL FW SC SC SC B1 SC SC SC SC B1 B1 B1 B1 SC B1 PoP 12hr 5 0 30 10 50 QPF 12hr 0 0 0.02 0 0.01 Rain shwrs C C S S C C Tstms C C S S Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 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 62 82 62 77 52 74 48 77 Temp 65 64 79 74 65 64 75 68 57 54 71 66 53 52 74 70 Dewpt 62 61 63 59 59 61 62 56 53 51 46 46 45 45 48 50 PWind Dir SW SW SW W NW N N NE Wind Char LT GN LT LT LT LT LT LT Avg Clouds SC B1 B2 B1 B1 B2 B1 B1 SC SC FW FW FW FW FW FW PoP 12hr 10 40 50 60 20 10 5 10 Rain shwrs C C C C C L S Tstms S C S S S S S $$ TNZ099-282000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 722 AM EDT Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 62 81 63 85 Temp 59 71 78 80 76 68 64 62 64 70 77 81 78 68 66 64 64 75 81 83 77 Dewpt 54 57 62 61 61 59 57 58 60 64 65 64 65 65 63 62 62 66 65 64 65 RH 83 61 58 52 60 73 78 87 87 81 67 56 64 90 90 93 93 74 58 53 67 Wind Dir SE S S S SE SE S SE S S S S S S S S S S S S S Wind Spd 2 6 10 9 5 4 4 4 5 6 8 6 3 2 2 1 2 3 5 5 3 Clouds FW FW FW FW FW FW FW B2 B2 B2 B1 SC B1 SC SC B1 B1 B1 B1 B1 SC PoP 12hr 0 0 20 5 30 QPF 12hr 0 0 0.03 0 0.01 Rain shwrs S S C C Tstms S S S S Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 84 64 80 55 76 51 79 Temp 67 65 81 75 66 64 77 72 60 57 73 69 56 53 76 73 Dewpt 64 63 62 61 62 62 63 59 55 52 47 49 48 47 50 53 PWind Dir S S SW W NW N N E Wind Char LT GN LT LT LT LT LT LT Avg Clouds SC B1 B1 B1 B2 B1 B1 B1 SC FW FW FW FW FW FW FW PoP 12hr 10 30 50 60 20 10 5 10 Rain shwrs C C C C L S Tstms S S S S $$ NCZ060-282000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 722 AM EDT Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 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 54 79 57 82 Temp 55 68 77 78 72 62 58 56 57 69 77 78 73 64 61 59 59 72 78 79 74 Dewpt 46 51 52 53 52 51 49 50 54 59 58 58 58 59 58 57 58 62 60 59 59 RH 72 54 42 42 49 67 72 80 90 70 52 50 59 84 90 93 96 71 54 50 59 Min/Max RH 42 90 49 96 50 Wind Dir E SE SE S SE E E E E S S S S SE SE SE SE SW SW SW S Wind Dir Deg 11 13 15 16 15 11 11 11 11 16 18 18 18 15 14 15 15 21 22 21 18 Wind Spd 3 5 5 5 4 3 3 3 3 4 5 4 2 1 1 1 1 2 3 3 2 Clouds SC FW FW FW FW FW FW B1 B2 B2 B1 SC B1 SC B1 B1 B1 B1 B1 SC B1 Clouds (%) 29 15 10 10 10 7 17 52 81 73 59 46 51 42 51 51 65 54 52 48 52 Vsby 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 5 0 30 5 50 QPF 12hr 0 0 0.02 0 0.01 Rain shwrs C C C C Tstms S S S S ChanceThunder 5 0 20 5 20 Max Mix Hgt AGL Mix Hgt 5000 4000 4600 Max Vent Rt 49700 37700 46700 T Wind Dir SE S S T Wind Spd 10 9 8 ADI 43 33 41 Max LVORI 3 6 8 Stability G B A G D B B F F B B Ceiling 15900 11700 0 0 NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.12 28.09 28.08 28.11 28.13 28.12 28.04 28.03 28.05 28.00 27.94 Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 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 58 82 59 78 50 74 44 76 Temp 62 61 78 73 62 60 74 68 57 53 70 64 51 49 73 67 Dewpt 58 59 57 55 57 59 58 56 52 49 43 44 44 44 45 47 PWind Dir SE S S W NW NW NE S Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 B1 B2 B2 B1 B1 B1 SC FW FW FW FW FW FW PoP 12hr 10 40 40 70 30 10 5 10 Rain shwrs C C C C C L C Tstms S 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 $$