MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508271200F054.nam218 Reading from grid file:/home/data/models/nam_218/2508271200F054.nam218 Searching file for grids... Date: 54 hour NAM valid 18Z FRI 29 AUG 25 Station: 42.96,-71.29 Latitude: 42.96 Longitude: -71.29 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1004 91 21.0 15.0 69 6.0 17.1 180 10 293.8 295.7 290.1 324.4 10.70 1 1000 124 20.5 13.9 66 6.6 16.3 181 11 293.7 295.5 289.5 322.4 10.02 2 950 564 16.1 12.3 78 3.8 13.8 184 18 293.5 295.2 289.0 320.7 9.50 3 900 1021 11.7 11.2 97 0.5 11.4 186 20 293.5 295.2 288.8 320.2 9.31 4 850 1496 8.1 7.0 93 1.1 7.5 203 27 294.6 295.9 287.4 316.0 7.39 5 800 1995 5.2 3.3 88 1.9 4.2 218 29 296.7 297.8 286.9 314.6 6.09 6 750 2519 2.0 0.2 88 1.8 1.1 222 29 298.8 299.7 286.8 314.2 5.18 7 700 3072 -1.7 -3.3 89 1.6 -2.4 223 30 300.6 301.4 286.6 313.5 4.28 8 650 3659 -4.7 -5.4 95 0.7 -5.1 223 30 303.6 304.3 287.3 315.6 3.92 9 600 4286 -7.6 -8.0 97 0.4 -7.8 224 34 307.3 308.0 288.2 318.2 3.48 10 550 4956 -12.9 -19.6 57 6.8 -14.7 228 35 308.8 309.1 286.6 313.6 1.47 11 500 5674 -18.2 -39.1 14 21.0 -21.2 233 35 310.9 311.0 286.0 311.8 0.26 12 450 6453 -23.0 -43.9 13 20.9 -25.4 240 41 314.3 314.3 287.1 314.9 0.17 13 400 7305 -29.4 -44.5 22 15.2 -30.8 243 48 316.8 316.8 287.9 317.5 0.18 14 350 8241 -37.4 -50.6 24 13.2 -38.2 240 50 318.3 318.4 288.3 318.8 0.11 15 300 9289 -44.8 -56.6 26 11.8 -45.3 236 54 322.2 322.2 289.5 322.4 0.06 16 250 10488 -50.9 -61.6 27 10.8 -51.1 229 54 330.4 330.4 291.9 330.6 0.04 17 200 11940 -50.3 -72.7 5 22.4 -50.8 231 48 353.1 353.1 297.3 353.1 0.01 18 150 13810 -51.5 -80.8 2 29.3 -52.0 236 36 381.3 381.3 302.5 381.4 0.00 19 100 16427 -53.2 -82.1 2 28.9 -53.9 238 19 424.9 424.9 308.3 424.9 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5549.84 m Freezing level: 722.89 mb = 2819.01 m = 9248.60 ft Wetbulb zero: 734.15 mb = 2690.34 m = 8826.48 ft Precipitable water: 1.14 inches Sfc-500 mean rel hum: 80.11 % Est. max temperature: 21.70 C = 71.06 F Sfc-Lift cond lev (LCL): 918.80 mb = 846.36 m = 2776.73 ft T: 13.38 C 700-500 lapse rate: 6.32 C/km ThetaE index: 10.87 C Layer 1000.0- 650.0 mb Conv cond level (CCL): 900.00 mb = 1020.95 m = 3349.54 ft Mean mixing ratio: 9.62 g/kg Conv temperature: 20.71 C = 69.28 F Cap Strength: -0.03 C Lifted Index: -2.38 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 1.26 C Lifted Index @700 mb: -2.61 C Showalter Index: 0.52 C Risk: Thunderstorms probable Total Totals Index: 51.36 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.24 C Cross Totals Index: 25.12 C K Index: 31.59 Risk: 60-80 % chance of thunderstorms Sweat Index: 305.13 Risk: Showers and thunderstorms possible Energy Index: -0.83 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 447.28 J/kg Max Up Vert Vel: 29.91 m/s Conv Inhibition (B-): 0.62 J/kg Cap Strength: 0.19 C Lift Cond Lev (LCL): 899.49 mb = 1025.67 m = 3365.02 ft Lev Free Conv (LFC): 894.49 mb = 1072.03 m = 3517.12 ft Equ Level (EL): 324.49 mb = 8755.58 m = 28725.30 ft B at Equ Level: 445.33 J/kg Max Parcel Lev (MPL): 224.49 mb = 11188.11 m = 36705.95 ft Wind Parameters Mean winds (0-6000m): 219.7 at 29.0 knts Storm direction: 249.7 at 21.8 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 82.6 deg Storm rel helicity (0-3000m) pos: 146.1 neg: 0.0 tot: 146.1 m^2/s^2 ave: 48.7 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.8 10^-3/s Energy-Hel index: 0.39 Bulk Rich Number: 8.87 Bulk Shear: 50.40 m/s