MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508070600F018.nam218 Reading from grid file:/home/data/models/nam_218/2508070600F018.nam218 Searching file for grids... Date: 18 hour NAM valid 0Z FRI 8 AUG 25 Station: 42.0,-87.9 Latitude: 42.00 Longitude: -87.90 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 143 SFC 993 206 30.9 20.8 55 10.1 23.6 159 8 304.7 307.6 297.0 351.8 15.80 2 950 600 26.7 19.8 66 6.9 21.8 176 13 304.3 307.1 296.7 350.4 15.48 3 900 1074 22.1 18.8 82 3.2 19.8 182 14 304.2 307.1 296.6 350.0 15.36 4 850 1569 17.9 16.2 90 1.7 16.7 195 13 304.8 307.4 295.7 345.9 13.76 5 800 2085 14.8 7.6 62 7.1 10.4 224 10 306.9 308.4 292.2 331.8 8.23 6 750 2631 14.6 -2.7 30 17.3 5.7 212 12 312.5 313.3 290.5 325.7 4.18 7 700 3209 10.3 -5.3 33 15.7 2.7 207 10 313.9 314.6 290.5 325.6 3.67 8 650 3820 5.5 -4.1 50 9.6 0.7 251 11 315.1 316.0 291.4 329.0 4.33 9 600 4467 -0.0 -2.9 81 2.9 -1.5 265 15 316.1 317.1 292.4 332.5 5.15 10 550 5159 -4.6 -9.1 71 4.5 -6.5 273 13 318.7 319.3 291.7 330.1 3.49 11 500 5901 -10.0 -13.1 78 3.1 -11.2 289 16 320.9 321.4 291.7 330.2 2.79 12 450 6706 -14.7 -25.2 40 10.5 -17.4 298 17 324.8 325.0 291.3 328.7 1.10 13 400 7588 -20.3 -31.2 37 10.9 -22.5 320 22 328.6 328.7 292.0 331.2 0.71 14 350 8563 -27.5 -41.7 25 14.2 -29.3 335 29 331.7 331.7 292.4 332.8 0.28 15 300 9653 -35.6 -49.3 23 13.7 -36.7 337 40 335.1 335.2 293.2 335.7 0.14 16 250 10894 -45.8 -58.8 22 13.0 -46.3 338 55 338.0 338.0 293.9 338.2 0.05 17 200 12341 -57.4 -63.3 47 6.0 -57.5 332 67 341.9 341.9 294.8 342.1 0.04 18 150 14132 -60.8 -77.5 9 16.7 -61.0 313 31 365.3 365.3 299.7 365.3 0.01 19 100 16660 -60.9 -83.8 3 22.9 -61.2 276 12 410.0 410.0 306.5 410.0 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5757.76 m Freezing level: 600.23 mb = 4464.14 m = 14645.96 ft Wetbulb zero: 633.55 mb = 4027.11 m = 13212.13 ft Precipitable water: 1.67 inches Sfc-500 mean rel hum: 63.15 % Est. max temperature: 31.37 C = 88.47 F Sfc-Lift cond lev (LCL): 858.12 mb = 1486.53 m = 4876.99 ft T: 18.55 C 700-500 lapse rate: 7.54 C/km ThetaE index: 26.20 C Layer 950.0- 650.0 mb Conv cond level (CCL): 853.03 mb = 1537.96 m = 5045.73 ft Mean mixing ratio: 15.50 g/kg Conv temperature: 31.06 C = 87.90 F Cap Strength: 1.31 C Lifted Index: -7.25 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -7.59 C Lifted Index @700 mb: -0.43 C Showalter Index: -5.55 C Risk: Severe thunderstorms possible Total Totals Index: 54.02 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.84 C Cross Totals Index: 26.19 C K Index: 28.38 Risk: 40-60 % chance of thunderstorms Sweat Index: 336.89 Risk: Showers and thunderstorms possible Energy Index: -3.15 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2395.05 J/kg Max Up Vert Vel: 69.21 m/s Conv Inhibition (B-): 4.00 J/kg Cap Strength: 1.28 C Lift Cond Lev (LCL): 858.92 mb = 1478.47 m = 4850.56 ft Lev Free Conv (LFC): 843.92 mb = 1629.89 m = 5347.34 ft Equ Level (EL): 773.92 mb = 2365.37 m = 7760.31 ft B at Equ Level: 12.45 J/kg Max Parcel Lev (MPL): 733.92 mb = 2812.38 m = 9226.86 ft Wind Parameters Mean winds (0-6000m): 236.1 at 12.6 knts Storm direction: 266.1 at 9.4 knts Shear (0-3000m) pos: 1.7 neg: 0.4 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 30.7 deg Storm rel helicity (0-3000m) pos: 41.2 neg: -5.4 tot: 35.8 m^2/s^2 ave: 11.9 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 1.5 10^-3/s Energy-Hel index: 0.61 Bulk Rich Number: 113.81 Bulk Shear: 21.04 m/s