MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508271800F048.nam218 Reading from grid file:/home/data/models/nam_218/2508271800F048.nam218 Searching file for grids... Date: 48 hour NAM valid 18Z FRI 29 AUG 25 Station: 42.03,-71.38 Latitude: 42.03 Longitude: -71.38 ------------------------------------------------------------------------------- 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 1006 69 22.4 16.5 69 5.9 18.5 186 11 295.0 297.2 291.4 328.9 11.81 1 1000 123 21.7 15.5 68 6.2 17.7 186 13 294.9 296.9 290.8 326.9 11.17 2 950 565 17.3 14.1 82 3.2 15.2 190 20 294.7 296.6 290.4 325.3 10.68 3 900 1024 12.8 12.7 99 0.2 12.7 195 23 294.7 296.6 290.0 324.2 10.27 4 850 1502 9.1 8.5 96 0.6 8.8 211 30 295.7 297.1 288.6 319.5 8.22 5 800 2001 5.9 3.6 85 2.4 4.6 223 33 297.5 298.6 287.3 315.6 6.18 6 750 2527 2.7 0.3 84 2.5 1.5 227 31 299.6 300.5 287.1 315.1 5.21 7 700 3082 -0.7 -3.5 81 2.8 -2.0 224 29 301.7 302.5 286.9 314.5 4.22 8 650 3671 -4.1 -6.5 84 2.4 -5.1 224 29 304.3 305.0 287.2 315.4 3.61 9 600 4298 -7.1 -9.4 84 2.3 -8.0 227 28 307.9 308.4 288.0 317.7 3.12 10 550 4973 -10.7 -19.9 47 9.2 -13.3 232 29 311.4 311.7 287.5 316.2 1.43 11 500 5698 -15.3 -41.5 9 26.3 -19.1 233 34 314.4 314.5 287.1 315.2 0.20 12 450 6485 -20.8 -37.4 21 16.7 -23.3 235 37 317.1 317.2 288.2 318.4 0.34 13 400 7343 -28.1 -35.4 49 7.4 -29.0 233 40 318.5 318.6 288.8 320.2 0.47 14 350 8284 -36.4 -42.4 54 6.1 -36.9 232 42 319.7 319.7 288.9 320.7 0.26 15 300 9333 -44.7 -51.4 47 6.7 -45.0 229 43 322.4 322.4 289.6 322.8 0.11 16 250 10531 -51.7 -59.6 38 7.9 -51.9 228 42 329.2 329.2 291.5 329.4 0.05 17 200 11968 -52.9 -71.9 8 18.9 -53.2 235 42 349.0 349.0 296.4 349.0 0.01 18 150 13825 -52.5 -81.6 2 29.1 -52.9 234 37 379.6 379.6 302.2 379.6 0.00 19 100 16438 -53.3 -82.2 2 28.9 -54.0 234 18 424.6 424.6 308.3 424.7 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5574.99 m Freezing level: 710.15 mb = 2969.56 m = 9742.52 ft Wetbulb zero: 728.05 mb = 2766.15 m = 9075.18 ft Precipitable water: 1.22 inches Sfc-500 mean rel hum: 74.99 % Est. max temperature: 22.92 C = 73.25 F Sfc-Lift cond lev (LCL): 922.24 mb = 816.81 m = 2679.79 ft T: 14.82 C 700-500 lapse rate: 5.57 C/km ThetaE index: 14.40 C Layer 1000.0- 650.0 mb Conv cond level (CCL): 907.52 mb = 953.35 m = 3127.77 ft Mean mixing ratio: 10.77 g/kg Conv temperature: 22.09 C = 71.77 F Cap Strength: -0.04 C Lifted Index: -1.89 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.57 C Lifted Index @700 mb: -3.41 C Showalter Index: 1.42 C Risk: Showers probable Total Totals Index: 48.09 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.33 C Cross Totals Index: 23.76 C K Index: 30.05 Risk: 60-80 % chance of thunderstorms Sweat Index: 268.29 Risk: None Energy Index: -0.86 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 771.18 J/kg Max Up Vert Vel: 39.27 m/s Conv Inhibition (B-): 0.67 J/kg Cap Strength: 0.29 C Lift Cond Lev (LCL): 907.20 mb = 956.38 m = 3137.71 ft Lev Free Conv (LFC): 902.20 mb = 1003.27 m = 3291.53 ft Equ Level (EL): 272.20 mb = 9972.35 m = 32717.30 ft B at Equ Level: 764.03 J/kg Max Parcel Lev (MPL): 192.20 mb = 12225.28 m = 40108.71 ft Wind Parameters Mean winds (0-6000m): 221.8 at 28.3 knts Storm direction: 251.8 at 21.2 knts Shear (0-3000m) pos: 4.1 neg: 0.4 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 78.8 deg Storm rel helicity (0-3000m) pos: 162.3 neg: -10.2 tot: 152.1 m^2/s^2 ave: 50.7 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.8 10^-3/s Energy-Hel index: 0.77 Bulk Rich Number: 19.02 Bulk Shear: 40.54 m/s