MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508030000F075.nam218 Reading from grid file:/home/data/models/nam_218/2508030000F075.nam218 Searching file for grids... Date: 75 hour NAM valid 3Z WED 6 AUG 25 Station: 46.74,-98.94 Latitude: 46.74 Longitude: -98.94 ------------------------------------------------------------------------------- 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 82 SFC 952 516 22.8 22.6 99 0.2 22.7 133 9 300.2 303.6 297.5 354.3 18.43 2 950 531 22.8 22.7 100 0.1 22.8 133 10 300.3 303.7 297.7 354.8 18.56 3 900 1006 24.2 19.7 76 4.5 21.0 178 29 306.5 309.5 297.8 355.4 16.30 4 850 1505 21.3 18.0 81 3.4 18.9 208 25 308.5 311.4 297.7 355.3 15.44 5 800 2028 16.9 16.1 95 0.8 16.4 233 21 309.2 311.9 297.4 353.4 14.55 6 750 2576 12.8 10.1 83 2.8 11.0 238 19 310.5 312.4 294.8 342.2 10.38 7 700 3152 9.4 -5.5 34 14.9 2.2 251 23 312.9 313.6 290.1 324.4 3.62 8 650 3762 4.4 -1.5 66 5.9 1.3 236 26 313.9 314.9 291.9 330.5 5.27 9 600 4407 -0.2 -19.3 22 19.1 -6.7 240 29 315.9 316.2 288.9 320.6 1.38 10 550 5097 -3.9 -42.6 3 38.7 -11.3 246 35 319.5 319.5 288.8 320.1 0.16 11 500 5842 -8.6 -42.4 5 33.8 -14.6 250 35 322.6 322.7 289.8 323.3 0.18 12 450 6651 -14.0 -32.6 19 18.6 -17.9 255 34 325.7 325.8 291.0 327.7 0.55 13 400 7531 -21.1 -31.8 37 10.8 -23.2 256 32 327.6 327.7 291.7 330.0 0.66 14 350 8502 -28.4 -43.7 22 15.3 -30.2 254 31 330.4 330.5 292.0 331.3 0.23 15 300 9589 -36.3 -50.6 22 14.3 -37.3 243 30 334.2 334.2 293.0 334.7 0.12 16 250 10828 -45.5 -58.3 22 12.8 -46.0 206 35 338.4 338.4 294.0 338.7 0.06 17 200 12283 -55.3 -60.4 53 5.1 -55.4 191 27 345.2 345.2 295.6 345.4 0.06 18 150 14109 -53.4 -79.6 3 26.2 -53.9 243 28 378.0 378.0 301.9 378.0 0.00 19 100 16696 -58.6 -86.3 2 27.7 -58.9 242 5 414.5 414.5 307.0 414.5 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5760.36 m Freezing level: 601.97 mb = 4381.58 m = 14375.07 ft Wetbulb zero: 641.79 mb = 3864.10 m = 12677.34 ft Precipitable water: 1.55 inches Sfc-500 mean rel hum: 51.67 % Est. max temperature: 31.65 C = 88.97 F Sfc-Lift cond lev (LCL): 949.09 mb = 539.59 m = 1770.30 ft T: 22.79 C 700-500 lapse rate: 6.66 C/km ThetaE index: 31.03 C Layer 850.0- 650.0 mb Conv cond level (CCL): 818.75 mb = 1828.58 m = 5999.21 ft Mean mixing ratio: 16.68 g/kg Conv temperature: 31.42 C = 88.56 F Cap Strength: 2.57 C Lifted Index: -7.40 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -10.70 C Lifted Index @700 mb: -2.60 C Showalter Index: -7.40 C Risk: Severe thunderstorms probable Total Totals Index: 56.41 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.89 C Cross Totals Index: 26.52 C K Index: 32.98 Risk: 60-80 % chance of thunderstorms Sweat Index: 558.17 Risk: Severe Thunderstorms possible Energy Index: -6.21 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3187.26 J/kg Max Up Vert Vel: 79.84 m/s Conv Inhibition (B-): 54.13 J/kg Cap Strength: 2.57 C Lift Cond Lev (LCL): 861.41 mb = 1388.83 m = 4556.46 ft Lev Free Conv (LFC): 796.41 mb = 2066.59 m = 6780.06 ft Equ Level (EL): 176.41 mb = 13079.47 m = 42911.14 ft B at Equ Level: 3145.34 J/kg Wind Parameters Mean winds (0-6000m): 236.0 at 27.2 knts Storm direction: 266.0 at 20.4 knts Shear (0-3000m) pos: 4.6 neg: 0.6 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 88.3 deg Storm rel helicity (0-3000m) pos: 281.9 neg: -4.6 tot: 277.3 m^2/s^2 ave: 92.4 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 10.7 stream: 6.2 10^-3/s Energy-Hel index: 5.42 Bulk Rich Number: 32.17 Bulk Shear: 99.08 m/s