MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508261200F030.nam218 Reading from grid file:/home/data/models/nam_218/2508261200F030.nam218 Searching file for grids... Date: 30 hour NAM valid 18Z WED 27 AUG 25 Station: 20.98,-89.65 Latitude: 20.98 Longitude: -89.65 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1015 9 35.0 22.4 48 12.6 25.7 34 8 306.9 310.0 298.4 358.3 17.07 1 1000 140 31.5 21.8 56 9.7 24.4 35 9 304.6 307.7 297.5 354.3 16.66 2 950 599 26.7 20.7 70 6.0 22.4 39 9 304.3 307.4 297.3 353.2 16.40 3 900 1075 22.1 19.6 86 2.5 20.3 45 9 304.3 307.3 297.1 352.3 16.12 4 850 1569 17.7 16.8 95 0.9 17.1 70 10 304.7 307.3 296.1 347.4 14.33 5 800 2086 14.9 10.1 73 4.8 11.9 66 13 307.0 308.9 293.4 336.5 9.75 6 750 2631 12.7 5.4 61 7.3 8.3 60 14 310.4 311.8 292.6 333.5 7.50 7 700 3207 9.9 1.3 55 8.6 5.1 67 14 313.4 314.5 292.3 332.2 6.00 8 650 3819 6.0 -0.7 62 6.7 2.4 69 13 315.7 316.8 292.7 333.5 5.61 9 600 4470 2.1 -5.6 56 7.8 -1.6 70 12 318.6 319.4 292.3 332.2 4.19 10 550 5167 -1.8 -13.1 42 11.3 -6.4 81 11 321.9 322.4 291.8 330.4 2.53 11 500 5919 -5.9 -20.9 30 14.9 -10.8 98 13 325.8 326.1 291.9 330.9 1.45 12 450 6735 -11.1 -25.7 29 14.6 -15.2 99 16 329.3 329.5 292.5 333.0 1.05 13 400 7629 -16.9 -34.0 21 17.0 -20.4 102 13 333.0 333.1 293.0 335.0 0.54 14 350 8616 -23.7 -40.5 20 16.8 -26.2 88 9 336.7 336.8 293.8 338.0 0.32 15 300 9725 -31.3 -47.4 19 16.1 -33.0 89 17 341.2 341.2 294.8 341.9 0.18 16 250 10990 -41.6 -54.8 23 13.2 -42.3 80 24 344.2 344.2 295.4 344.6 0.09 17 200 12461 -53.5 -62.8 31 9.4 -53.7 45 19 348.1 348.1 296.3 348.3 0.04 18 150 14250 -67.0 -73.9 37 6.8 -67.1 57 20 354.6 354.6 297.6 354.7 0.01 19 100 16663 -72.6 -86.1 11 13.4 -72.7 84 11 387.4 387.4 303.4 387.4 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5778.91 m Freezing level: 572.95 mb = 4846.75 m = 15901.23 ft Wetbulb zero: 620.05 mb = 4202.24 m = 13786.69 ft Precipitable water: 1.96 inches Sfc-500 mean rel hum: 61.49 % Est. max temperature: 32.68 C = 90.82 F Sfc-Lift cond lev (LCL): 847.53 mb = 1593.82 m = 5229.01 ft T: 17.55 C 700-500 lapse rate: 5.82 C/km ThetaE index: 26.06 C Layer 1000.0- 650.0 mb Conv cond level (CCL): 868.95 mb = 1378.39 m = 4522.22 ft Mean mixing ratio: 16.49 g/kg Conv temperature: 32.64 C = 90.76 F Cap Strength: -0.07 C Lifted Index: -4.31 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.00 C Lifted Index @700 mb: -1.77 C Showalter Index: -2.02 C Risk: Severe thunderstorms possible Total Totals Index: 46.36 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.61 C Cross Totals Index: 22.75 C K Index: 31.84 Risk: 60-80 % chance of thunderstorms Sweat Index: 234.85 Risk: None Energy Index: -3.24 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1819.55 J/kg Max Up Vert Vel: 60.32 m/s Conv Inhibition (B-): 4.83 J/kg Cap Strength: 2.27 C Lift Cond Lev (LCL): 868.40 mb = 1383.83 m = 4540.08 ft Lev Free Conv (LFC): 863.40 mb = 1433.78 m = 4703.94 ft Equ Level (EL): 153.40 mb = 14110.65 m = 46294.22 ft B at Equ Level: 1811.69 J/kg Wind Parameters Mean winds (0-6000m): 67.1 at 11.7 knts Storm direction: 97.1 at 8.8 knts Shear (0-3000m) pos: 1.1 neg: 0.6 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 58.9 deg Storm rel helicity (0-3000m) pos: 14.2 neg: -0.6 tot: 13.6 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 1.2 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 373.30 Bulk Shear: 4.87 m/s