MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508040600F018.nam218 Reading from grid file:/home/data/models/nam_218/2508040600F018.nam218 Searching file for grids... Date: 18 hour NAM valid 0Z TUE 5 AUG 25 Station: 41.54,-99.41 Latitude: 41.54 Longitude: -99.41 ------------------------------------------------------------------------------- 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 105 1 950 560 SFC 930 747 27.0 21.8 73 5.2 23.2 144 12 306.4 309.7 298.7 360.2 17.90 3 900 1038 23.7 20.5 82 3.2 21.4 147 16 305.9 309.1 298.2 357.3 17.12 4 850 1535 19.7 16.9 84 2.9 17.8 165 17 306.8 309.5 296.7 350.1 14.38 5 800 2056 17.1 10.1 63 7.0 12.7 193 9 309.4 311.2 294.1 339.2 9.76 6 750 2604 14.5 2.7 45 11.7 7.8 234 7 312.3 313.4 292.2 331.6 6.21 7 700 3183 10.9 -2.1 40 12.9 4.1 289 15 314.5 315.4 291.5 329.4 4.69 8 650 3796 6.4 -1.8 56 8.2 2.1 316 24 316.2 317.2 292.4 332.7 5.17 9 600 4446 0.4 -7.4 56 7.8 -3.1 325 24 316.6 317.3 291.3 328.4 3.66 10 550 5136 -5.1 -14.5 47 9.5 -8.6 330 27 318.1 318.5 290.5 325.6 2.25 11 500 5878 -9.5 -22.7 33 13.2 -13.3 322 34 321.5 321.7 290.5 325.7 1.24 12 450 6683 -15.3 -26.8 37 11.4 -18.1 322 35 323.9 324.1 290.9 327.3 0.95 13 400 7560 -21.7 -37.1 24 15.4 -24.2 317 30 326.7 326.8 291.2 328.2 0.40 14 350 8530 -27.8 -49.6 11 21.8 -29.9 312 29 331.3 331.3 292.2 331.8 0.12 15 300 9618 -36.9 -54.3 15 17.4 -37.9 319 34 333.4 333.4 292.7 333.7 0.08 16 250 10852 -46.2 -60.3 19 14.1 -46.7 314 42 337.3 337.3 293.7 337.5 0.05 17 200 12309 -52.7 -68.4 13 15.6 -53.1 307 54 349.3 349.3 296.5 349.3 0.02 18 150 14156 -56.3 -81.9 3 25.6 -56.6 285 24 373.2 373.2 301.1 373.2 0.00 19 100 16687 -63.3 -87.5 2 24.2 -63.5 246 10 405.4 405.4 305.9 405.4 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5772.43 m Freezing level: 596.40 mb = 4495.30 m = 14748.18 ft Wetbulb zero: 629.81 mb = 4052.31 m = 13294.82 ft Precipitable water: 1.34 inches Sfc-500 mean rel hum: 55.66 % Est. max temperature: 31.01 C = 87.81 F Sfc-Lift cond lev (LCL): 862.37 mb = 1409.46 m = 4624.17 ft T: 20.75 C 700-500 lapse rate: 7.55 C/km ThetaE index: 30.84 C Layer 900.0- 650.0 mb Conv cond level (CCL): 806.84 mb = 1982.80 m = 6505.17 ft Mean mixing ratio: 15.77 g/kg Conv temperature: 29.57 C = 85.22 F Cap Strength: 0.95 C Lifted Index: -7.94 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -10.60 C Lifted Index @700 mb: -0.77 C Showalter Index: -6.59 C Risk: Severe thunderstorms probable Total Totals Index: 55.62 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.24 C Cross Totals Index: 26.37 C K Index: 33.17 Risk: 60-80 % chance of thunderstorms Sweat Index: 402.73 Risk: Severe Thunderstorms possible Energy Index: -4.77 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2855.81 J/kg Max Up Vert Vel: 75.58 m/s Conv Inhibition (B-): 21.53 J/kg Cap Strength: 0.95 C Lift Cond Lev (LCL): 836.26 mb = 1675.20 m = 5496.01 ft Lev Free Conv (LFC): 731.26 mb = 2816.78 m = 9241.30 ft Equ Level (EL): 181.26 mb = 12940.64 m = 42455.66 ft B at Equ Level: 2819.11 J/kg Wind Parameters Mean winds (0-6000m): 312.5 at 21.6 knts Storm direction: 342.5 at 16.2 knts Shear (0-3000m) pos: 5.9 neg: 0.0 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 118.3 deg Storm rel helicity (0-3000m) pos: 199.2 neg: -0.1 tot: 199.0 m^2/s^2 ave: 66.3 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 6.4 10^-3/s Energy-Hel index: 2.10 Bulk Rich Number: 16.56 Bulk Shear: 172.50 m/s