MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508041200F018.nam218 Reading from grid file:/home/data/models/nam_218/2508041200F018.nam218 Searching file for grids... Date: 18 hour NAM valid 6Z TUE 5 AUG 25 Station: 46.11,-103.46 Latitude: 46.11 Longitude: -103.46 ------------------------------------------------------------------------------- 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 78 1 950 525 SFC 909 917 21.9 15.7 68 6.2 17.7 132 12 303.2 305.5 294.4 340.2 12.46 3 900 999 22.5 15.3 64 7.2 17.7 136 21 304.7 307.0 294.6 341.3 12.25 4 850 1498 21.5 12.3 56 9.2 15.4 157 34 308.6 310.6 294.6 340.9 10.61 5 800 2020 17.9 8.8 55 9.1 12.2 169 29 310.2 311.9 293.7 337.7 8.95 6 750 2569 14.9 -0.4 35 15.3 6.7 158 20 312.8 313.7 291.3 328.4 4.97 7 700 3148 11.3 -1.3 42 12.6 4.6 163 9 315.0 316.0 291.9 330.8 4.98 8 650 3761 6.5 -6.4 39 12.9 0.4 196 7 316.3 317.0 291.2 328.1 3.64 9 600 4411 1.3 -11.9 37 13.2 -4.1 248 8 317.7 318.2 290.6 326.1 2.57 10 550 5105 -3.9 -13.3 48 9.4 -7.6 274 16 319.4 319.9 291.0 327.7 2.49 11 500 5849 -9.7 -24.4 29 14.7 -13.7 270 22 321.3 321.5 290.3 325.0 1.06 12 450 6652 -15.0 -27.8 33 12.7 -18.1 269 18 324.3 324.5 291.0 327.4 0.87 13 400 7533 -20.3 -33.9 29 13.6 -22.8 269 17 328.6 328.7 291.9 330.6 0.54 14 350 8505 -28.2 -37.3 41 9.2 -29.5 289 21 330.8 330.9 292.4 332.4 0.44 15 300 9590 -37.6 -52.7 19 15.1 -38.6 298 27 332.3 332.4 292.4 332.7 0.10 16 250 10818 -48.4 -57.0 36 8.6 -48.7 306 35 334.2 334.2 292.9 334.5 0.07 17 200 12252 -55.8 -65.6 28 9.8 -55.9 282 30 344.5 344.5 295.4 344.6 0.03 18 150 14084 -55.3 -81.1 3 25.8 -55.6 238 21 374.8 374.8 301.4 374.8 0.00 19 100 16655 -59.0 -86.6 2 27.6 -59.4 194 16 413.6 413.6 307.0 413.7 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5771.07 m Freezing level: 587.23 mb = 4588.43 m = 15053.71 ft Wetbulb zero: 645.83 mb = 3813.51 m = 12511.38 ft Precipitable water: 0.98 inches Sfc-500 mean rel hum: 44.10 % Est. max temperature: 30.75 C = 87.35 F Sfc-Lift cond lev (LCL): 829.81 mb = 1704.65 m = 5592.61 ft T: 20.07 C 700-500 lapse rate: 7.76 C/km ThetaE index: 12.84 C Layer 850.0- 700.0 mb Conv cond level (CCL): 677.64 mb = 3416.82 m = 11209.89 ft Mean mixing ratio: 10.85 g/kg Conv temperature: 33.90 C = 93.01 F Cap Strength: 4.49 C Lifted Index: -3.06 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.78 C Lifted Index @700 mb: 3.49 C Showalter Index: -3.23 C Risk: Severe thunderstorms possible Total Totals Index: 53.06 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.14 C Cross Totals Index: 21.92 C K Index: 30.83 Risk: 60-80 % chance of thunderstorms Sweat Index: 458.38 Risk: Severe Thunderstorms possible Energy Index: -3.05 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 836.15 J/kg Max Up Vert Vel: 40.89 m/s Conv Inhibition (B-): 248.96 J/kg Cap Strength: 4.49 C Lift Cond Lev (LCL): 756.63 mb = 2493.96 m = 8182.18 ft Lev Free Conv (LFC): 601.63 mb = 4389.22 m = 14400.17 ft Equ Level (EL): 211.63 mb = 11888.89 m = 39005.07 ft B at Equ Level: 819.87 J/kg Max Parcel Lev (MPL): 151.63 mb = 14015.29 m = 45981.35 ft Wind Parameters Mean winds (0-6000m): 207.6 at 17.6 knts Storm direction: 237.6 at 13.2 knts Shear (0-3000m) pos: 3.0 neg: 2.8 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): -8.5 deg Storm rel helicity (0-3000m) pos: 185.1 neg: -94.6 tot: 90.5 m^2/s^2 ave: 30.2 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 1.1 10^-3/s Energy-Hel index: 0.97 Bulk Rich Number: 12.21 Bulk Shear: 68.49 m/s