MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508011800F072.nam218 Reading from grid file:/home/data/models/nam_218/2508011800F072.nam218 Searching file for grids... Date: 3 day NAM valid 18Z MON 4 AUG 25 Station: 42.43,-71.79 Latitude: 42.43 Longitude: -71.79 ------------------------------------------------------------------------------- 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 181 SFC 998 201 28.9 17.0 49 11.9 20.8 218 1 302.3 304.5 294.0 338.6 12.31 2 950 632 23.4 14.4 57 9.1 17.4 240 2 300.9 302.9 292.5 333.0 10.88 3 900 1101 18.8 13.5 71 5.3 15.4 255 2 300.9 302.9 292.5 333.0 10.89 4 850 1588 14.1 12.2 88 1.9 12.9 277 3 300.9 302.8 292.2 331.9 10.53 5 800 2097 11.2 -1.8 40 13.0 4.8 330 7 303.1 303.9 287.3 315.9 4.19 6 750 2632 7.9 -5.5 38 13.4 1.8 326 4 305.2 305.8 287.3 315.7 3.38 7 700 3197 4.6 -10.3 33 14.9 -1.6 317 4 307.5 308.0 287.2 315.4 2.48 8 650 3796 1.5 -19.9 18 21.5 -5.5 290 7 310.7 310.9 287.0 314.7 1.21 9 600 4437 -1.2 -41.4 3 40.2 -9.2 285 13 314.7 314.7 287.2 315.3 0.17 10 550 5122 -6.1 -39.8 5 33.6 -12.6 278 14 316.8 316.9 287.9 317.6 0.22 11 500 5859 -11.8 -34.5 13 22.6 -16.3 281 14 318.6 318.7 288.8 320.1 0.41 12 450 6655 -18.1 -39.1 14 21.0 -21.4 280 14 320.5 320.5 289.2 321.5 0.29 13 400 7524 -23.9 -57.4 3 33.4 -26.7 268 16 323.9 323.9 290.0 324.1 0.04 14 350 8484 -30.9 -55.0 7 24.2 -32.6 264 16 327.1 327.1 291.0 327.4 0.06 15 300 9559 -39.1 -57.5 12 18.5 -39.9 256 22 330.3 330.3 291.9 330.5 0.05 16 250 10784 -47.7 -62.1 18 14.4 -48.1 253 30 335.2 335.2 293.2 335.3 0.04 17 200 12233 -53.5 -70.4 11 16.9 -53.8 250 38 348.1 348.1 296.2 348.1 0.01 18 150 14071 -56.7 -82.2 3 25.5 -57.0 251 47 372.4 372.4 301.0 372.4 0.00 19 100 16611 -60.6 -87.9 2 27.2 -60.9 254 31 410.6 410.6 306.6 410.6 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5678.59 m Freezing level: 622.44 mb = 4149.32 m = 13613.09 ft Wetbulb zero: 723.39 mb = 2927.77 m = 9605.43 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 33.97 % Est. max temperature: 27.63 C = 81.73 F Sfc-Lift cond lev (LCL): 839.14 mb = 1695.99 m = 5564.22 ft T: 13.45 C 700-500 lapse rate: 6.15 C/km ThetaE index: 23.94 C Layer 950.0- 600.0 mb Conv cond level (CCL): 825.00 mb = 1838.62 m = 6032.14 ft Mean mixing ratio: 11.22 g/kg Conv temperature: 28.62 C = 83.52 F Cap Strength: 0.32 C Lifted Index: -2.58 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.50 C Lifted Index @700 mb: -1.26 C Showalter Index: -1.46 C Risk: Thunderstorms probable Total Totals Index: 49.85 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.88 C Cross Totals Index: 23.97 C K Index: 23.13 Risk: 20-40 % chance of thunderstorms Sweat Index: 182.71 Risk: None Energy Index: -2.31 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 591.69 J/kg Max Up Vert Vel: 34.40 m/s Conv Inhibition (B-): 6.99 J/kg Cap Strength: 1.02 C Lift Cond Lev (LCL): 833.82 mb = 1749.36 m = 5739.31 ft Lev Free Conv (LFC): 798.82 mb = 2109.08 m = 6919.46 ft Equ Level (EL): 268.82 mb = 10296.21 m = 33779.82 ft B at Equ Level: 591.25 J/kg Max Parcel Lev (MPL): 188.82 mb = 12600.38 m = 41339.33 ft Wind Parameters Mean winds (0-6000m): 287.8 at 7.6 knts Storm direction: 317.8 at 5.7 knts Shear (0-3000m) pos: 1.2 neg: 0.5 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): -12.1 deg Storm rel helicity (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 m^2/s^2 ave: 1.3 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 1.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 96.32 Bulk Shear: 6.14 m/s