MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508280000F042.nam218 Reading from grid file:/home/data/models/nam_218/2508280000F042.nam218 Searching file for grids... Date: 42 hour NAM valid 18Z FRI 29 AUG 25 Station: 42.38,-71.75 Latitude: 42.38 Longitude: -71.75 ------------------------------------------------------------------------------- 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 117 SFC 993 178 20.0 15.3 75 4.6 17.0 196 9 293.7 295.7 290.4 325.4 11.10 2 950 557 16.0 13.1 83 2.8 14.2 198 17 293.4 295.2 289.4 322.1 10.04 3 900 1013 11.6 11.5 99 0.1 11.5 200 20 293.5 295.2 288.9 320.6 9.48 4 850 1489 8.2 7.4 94 0.9 7.8 211 27 294.8 296.1 287.6 316.7 7.59 5 800 1988 5.4 3.9 90 1.5 4.6 220 32 296.9 298.1 287.3 315.5 6.35 6 750 2512 2.2 0.5 89 1.7 1.4 221 34 299.0 300.0 287.0 314.8 5.31 7 700 3066 -1.1 -3.2 85 2.1 -2.0 221 32 301.3 302.1 286.9 314.3 4.31 8 650 3654 -4.3 -5.8 89 1.5 -5.0 224 32 304.1 304.8 287.3 315.8 3.81 9 600 4281 -7.6 -8.3 94 0.8 -7.9 221 33 307.3 308.0 288.1 318.0 3.40 10 550 4955 -11.6 -20.0 50 8.4 -14.0 223 33 310.3 310.6 287.1 315.0 1.42 11 500 5676 -16.4 -40.0 11 23.6 -19.9 225 36 313.1 313.1 286.7 313.9 0.24 12 450 6462 -20.6 -47.6 7 27.0 -23.7 233 39 317.3 317.3 288.0 317.8 0.11 13 400 7321 -27.6 -42.7 22 15.1 -29.3 232 43 319.1 319.1 288.7 319.9 0.22 14 350 8263 -35.6 -45.4 36 9.8 -36.4 224 46 320.7 320.8 289.2 321.4 0.19 15 300 9316 -44.2 -51.5 44 7.3 -44.5 220 46 323.1 323.1 289.8 323.6 0.11 16 250 10516 -51.6 -59.9 36 8.4 -51.8 213 49 329.4 329.4 291.6 329.6 0.05 17 200 11954 -51.7 -72.0 7 20.2 -52.1 225 43 350.8 350.8 296.8 350.9 0.01 18 150 13820 -51.5 -80.8 2 29.3 -52.1 228 34 381.3 381.3 302.5 381.3 0.00 19 100 16431 -54.0 -82.7 2 28.7 -54.6 232 21 423.4 423.4 308.1 423.4 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5559.14 m Freezing level: 716.30 mb = 2885.83 m = 9467.83 ft Wetbulb zero: 729.88 mb = 2730.68 m = 8958.80 ft Precipitable water: 1.13 inches Sfc-500 mean rel hum: 79.09 % Est. max temperature: 21.33 C = 70.39 F Sfc-Lift cond lev (LCL): 927.53 mb = 758.88 m = 2489.72 ft T: 14.04 C 700-500 lapse rate: 5.87 C/km ThetaE index: 11.05 C Layer 950.0- 650.0 mb Conv cond level (CCL): 910.45 mb = 915.82 m = 3004.63 ft Mean mixing ratio: 10.07 g/kg Conv temperature: 19.71 C = 67.48 F Cap Strength: -0.03 C Lifted Index: -1.23 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.18 C Lifted Index @700 mb: -2.44 C Showalter Index: 1.87 C Risk: Showers probable Total Totals Index: 48.37 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.63 C Cross Totals Index: 23.74 C K Index: 29.85 Risk: 40-60 % chance of thunderstorms Sweat Index: 232.33 Risk: None Energy Index: -0.55 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 318.73 J/kg Max Up Vert Vel: 25.25 m/s Conv Inhibition (B-): 0.75 J/kg Cap Strength: 0.21 C Lift Cond Lev (LCL): 910.14 mb = 918.66 m = 3013.94 ft Lev Free Conv (LFC): 905.14 mb = 965.17 m = 3166.55 ft Equ Level (EL): 455.14 mb = 6377.40 m = 20922.97 ft B at Equ Level: 317.68 J/kg Max Parcel Lev (MPL): 235.14 mb = 10910.75 m = 35795.97 ft Wind Parameters Mean winds (0-6000m): 219.8 at 30.1 knts Storm direction: 249.8 at 22.6 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 87.5 deg Storm rel helicity (0-3000m) pos: 129.3 neg: -5.2 tot: 124.2 m^2/s^2 ave: 41.4 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.6 10^-3/s Energy-Hel index: 0.25 Bulk Rich Number: 7.48 Bulk Shear: 42.59 m/s