MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508280000F018.nam218 Reading from grid file:/home/data/models/nam_218/2508280000F018.nam218 Searching file for grids... Date: 18 hour NAM valid 18Z THU 28 AUG 25 Station: 29.75,-95.50 Latitude: 29.75 Longitude: -95.50 ------------------------------------------------------------------------------- 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 1014 22 32.3 23.8 61 8.4 26.0 186 6 304.2 307.6 298.7 359.8 18.65 1 1000 146 29.8 23.2 68 6.6 24.9 186 7 302.9 306.3 298.1 356.8 18.17 2 950 604 25.2 22.2 83 3.0 23.0 194 8 302.7 306.1 297.9 356.1 18.00 3 900 1077 20.7 20.6 99 0.2 20.6 215 9 302.9 306.0 297.4 353.8 17.18 4 850 1570 17.7 12.8 73 5.0 14.5 208 11 304.7 306.8 293.7 337.5 10.98 5 800 2088 15.9 9.6 66 6.3 11.9 222 9 308.1 309.9 293.5 336.7 9.41 6 750 2634 13.4 7.5 67 5.9 9.7 224 5 311.1 312.7 293.8 337.8 8.69 7 700 3212 10.3 3.9 64 6.4 6.6 207 2 313.9 315.3 293.4 336.5 7.24 8 650 3826 6.7 1.4 69 5.3 3.7 161 3 316.5 317.7 293.6 337.2 6.52 9 600 4478 2.3 -1.8 74 4.2 0.1 158 6 318.8 319.9 293.5 336.8 5.59 10 550 5177 -1.1 -10.1 50 9.0 -5.1 164 3 322.8 323.4 292.6 333.5 3.22 11 500 5931 -5.0 -23.8 21 18.8 -10.8 308 2 326.9 327.2 292.0 330.9 1.12 12 450 6750 -10.1 -36.3 10 26.2 -15.7 337 2 330.5 330.6 292.3 332.0 0.38 13 400 7646 -16.4 -37.7 14 21.3 -20.4 326 5 333.6 333.7 293.1 335.0 0.37 14 350 8636 -23.2 -40.9 18 17.7 -25.9 312 8 337.4 337.5 294.0 338.6 0.31 15 300 9748 -31.0 -42.5 31 11.5 -32.3 336 9 341.8 341.8 295.0 343.0 0.30 16 250 11014 -40.8 -55.1 20 14.3 -41.6 356 13 345.3 345.4 295.7 345.7 0.09 17 200 12491 -52.5 -68.6 12 16.2 -52.8 358 20 349.7 349.7 296.6 349.8 0.02 18 150 14292 -65.3 -81.9 8 16.6 -65.4 358 17 357.7 357.7 298.2 357.7 0.00 19 100 16690 -74.6 -84.8 19 10.2 -74.6 10 23 383.7 383.7 302.8 383.7 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5785.07 m Freezing level: 566.18 mb = 4950.79 m = 16242.56 ft Wetbulb zero: 598.69 mb = 4495.82 m = 14749.88 ft Precipitable water: 2.04 inches Sfc-500 mean rel hum: 66.72 % Est. max temperature: 32.26 C = 90.07 F Sfc-Lift cond lev (LCL): 898.62 mb = 1090.67 m = 3578.27 ft T: 20.65 C 700-500 lapse rate: 5.62 C/km ThetaE index: 23.10 C Layer 1000.0- 750.0 mb Conv cond level (CCL): 908.20 mb = 998.06 m = 3274.43 ft Mean mixing ratio: 17.99 g/kg Conv temperature: 30.91 C = 87.64 F Cap Strength: -0.06 C Lifted Index: -4.20 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.89 C Lifted Index @700 mb: -1.97 C Showalter Index: 2.84 C Risk: Showers probable Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 22.73 C Cross Totals Index: 17.77 C K Index: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 178.38 Risk: None Energy Index: -1.19 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1980.87 J/kg Max Up Vert Vel: 62.94 m/s Conv Inhibition (B-): 2.56 J/kg Cap Strength: 1.27 C Lift Cond Lev (LCL): 907.75 mb = 1002.46 m = 3288.87 ft Lev Free Conv (LFC): 902.75 mb = 1050.80 m = 3447.47 ft Equ Level (EL): 152.75 mb = 14178.81 m = 46517.85 ft B at Equ Level: 1966.30 J/kg Wind Parameters Mean winds (0-6000m): 200.1 at 5.6 knts Storm direction: 230.1 at 4.2 knts Shear (0-3000m) pos: 0.9 neg: 0.3 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): -57.0 deg Storm rel helicity (0-3000m) pos: 9.0 neg: -1.4 tot: 7.6 m^2/s^2 ave: 2.5 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 0.6 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 3997.39 Bulk Shear: 0.50 m/s