MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2408201200F012.nam218 Reading from grid file:/home/data/models/nam_218/2408201200F012.nam218 Searching file for grids... Date: 12 hour NAM valid 0Z WED 21 AUG 24 Station: 46.25,-103.43 Latitude: 46.25 Longitude: -103.43 ------------------------------------------------------------------------------- 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 91 1 950 543 SFC 911 915 26.9 18.5 60 8.4 20.9 141 12 308.2 311.0 297.3 353.2 14.87 3 900 1021 24.9 18.2 66 6.7 20.2 143 13 307.2 309.9 297.0 351.7 14.78 4 850 1520 20.0 16.9 82 3.1 17.9 153 12 307.1 309.8 296.8 350.6 14.42 5 800 2044 20.9 -0.2 24 21.2 9.3 36 3 313.5 314.4 291.2 328.3 4.70 6 750 2597 16.6 -0.5 31 17.1 7.2 323 7 314.6 315.5 291.7 330.1 4.90 7 700 3179 12.4 -6.5 26 18.9 3.2 318 14 316.3 316.9 290.9 327.2 3.37 8 650 3794 7.6 -17.9 14 25.5 -2.0 322 19 317.6 317.9 289.5 322.4 1.44 9 600 4445 2.5 -26.0 10 28.5 -6.1 321 21 319.0 319.1 289.3 321.7 0.77 10 550 5140 -3.1 -30.6 10 27.5 -10.2 306 22 320.4 320.5 289.5 322.3 0.54 11 500 5886 -8.6 -33.3 12 24.7 -14.1 289 30 322.5 322.6 290.0 324.2 0.46 12 450 6692 -14.5 -36.4 14 21.9 -18.6 287 31 325.0 325.1 290.7 326.5 0.38 13 400 7573 -20.8 -45.2 9 24.4 -23.9 282 33 328.0 328.0 291.3 328.7 0.17 14 350 8545 -27.9 -47.2 14 19.4 -29.9 279 31 331.2 331.2 292.2 331.8 0.15 15 300 9633 -36.8 -46.3 37 9.5 -37.6 282 39 333.5 333.5 292.9 334.3 0.20 16 250 10868 -46.7 -54.2 42 7.6 -47.0 276 46 336.7 336.7 293.6 337.1 0.10 17 200 12309 -56.7 -65.1 34 8.4 -56.9 274 46 342.9 342.9 295.0 343.0 0.03 18 150 14146 -54.0 -82.7 2 28.7 -54.4 271 38 377.1 377.1 301.8 377.1 0.00 19 100 16694 -62.0 -86.4 2 24.5 -62.2 250 7 408.0 408.0 306.3 408.0 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5795.03 m Freezing level: 577.89 mb = 4752.80 m = 15592.98 ft Wetbulb zero: 668.91 mb = 3555.88 m = 11666.12 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 27.28 % Est. max temperature: 32.89 C = 91.21 F Sfc-Lift cond lev (LCL): 806.04 mb = 1979.03 m = 6492.79 ft T: 20.82 C 700-500 lapse rate: 7.77 C/km ThetaE index: 24.85 C Layer 900.0- 750.0 mb Conv cond level (CCL): 696.68 mb = 3218.46 m = 10559.12 ft Mean mixing ratio: 12.87 g/kg Conv temperature: 34.86 C = 94.74 F Cap Strength: 5.32 C Lifted Index: -4.65 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -6.89 C Lifted Index @700 mb: 2.63 C Showalter Index: -5.88 C Risk: Severe thunderstorms possible Total Totals Index: 54.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.66 C Cross Totals Index: 25.54 C K Index: 26.69 Risk: 40-60 % chance of thunderstorms Sweat Index: 361.12 Risk: Showers and thunderstorms possible Energy Index: -5.07 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1704.37 J/kg Max Up Vert Vel: 58.38 m/s Conv Inhibition (B-): 229.86 J/kg Cap Strength: 5.32 C Lift Cond Lev (LCL): 779.56 mb = 2265.82 m = 7433.70 ft Lev Free Conv (LFC): 624.56 mb = 4118.89 m = 13513.27 ft Equ Level (EL): 184.56 mb = 12822.32 m = 42067.45 ft B at Equ Level: 1653.54 J/kg Max Parcel Lev (MPL): 124.56 mb = 15314.09 m = 50242.48 ft Wind Parameters Mean winds (0-6000m): 301.6 at 18.5 knts Storm direction: 331.6 at 13.9 knts Shear (0-3000m) pos: 0.6 neg: 4.8 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 150.6 deg Storm rel helicity (0-3000m) pos: 42.4 neg: -53.5 tot: -11.1 m^2/s^2 ave: -3.7 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 1.4 10^-3/s Energy-Hel index: 0.38 Bulk Rich Number: 13.58 Bulk Shear: 125.48 m/s