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: 42.53,-71.25 Latitude: 42.53 Longitude: -71.25 ------------------------------------------------------------------------------- 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 1009 41 22.4 14.6 61 7.9 17.4 186 11 294.8 296.6 290.1 324.5 10.37 1 1000 122 20.7 14.1 66 6.7 16.5 188 14 293.9 295.7 289.6 322.9 10.14 2 950 563 16.2 12.9 81 3.3 14.1 191 18 293.7 295.4 289.3 321.9 9.88 3 900 1020 11.9 11.7 99 0.2 11.8 193 20 293.8 295.5 289.2 321.3 9.63 4 850 1496 8.6 7.6 93 1.1 8.0 214 27 295.2 296.6 287.9 317.6 7.72 5 800 1995 5.8 4.4 91 1.3 5.1 225 30 297.3 298.5 287.6 316.6 6.57 6 750 2521 2.7 1.1 89 1.6 1.8 226 32 299.5 300.5 287.4 315.9 5.51 7 700 3076 -0.9 -2.9 86 2.0 -1.8 226 33 301.5 302.3 287.1 314.9 4.43 8 650 3664 -4.2 -5.4 91 1.2 -4.7 221 32 304.3 305.0 287.5 316.4 3.95 9 600 4292 -7.1 -7.4 97 0.3 -7.2 214 30 307.9 308.6 288.5 319.3 3.64 10 550 4966 -11.7 -14.3 81 2.5 -12.6 219 30 310.2 310.6 287.9 317.6 2.30 11 500 5688 -16.3 -38.8 12 22.5 -19.7 224 34 313.2 313.3 286.8 314.2 0.27 12 450 6473 -21.2 -38.0 20 16.9 -23.6 233 40 316.6 316.7 288.0 317.8 0.32 13 400 7330 -28.3 -35.8 48 7.6 -29.3 230 43 318.3 318.4 288.7 319.9 0.45 14 350 8270 -36.5 -43.5 48 7.1 -37.0 227 44 319.6 319.6 288.9 320.4 0.23 15 300 9320 -44.6 -52.5 41 7.9 -45.0 226 45 322.5 322.5 289.6 322.9 0.10 16 250 10517 -51.7 -59.8 37 8.1 -51.9 223 44 329.2 329.2 291.6 329.4 0.05 17 200 11955 -52.8 -71.6 9 18.8 -53.2 232 43 349.1 349.1 296.4 349.1 0.01 18 150 13814 -52.0 -81.2 2 29.2 -52.5 231 37 380.4 380.4 302.3 380.4 0.00 19 100 16433 -53.0 -82.0 2 29.0 -53.7 229 16 425.3 425.3 308.3 425.3 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5566.35 m Freezing level: 712.27 mb = 2939.61 m = 9644.27 ft Wetbulb zero: 724.73 mb = 2796.59 m = 9175.06 ft Precipitable water: 1.23 inches Sfc-500 mean rel hum: 83.26 % Est. max temperature: 22.57 C = 72.62 F Sfc-Lift cond lev (LCL): 899.09 mb = 1028.15 m = 3373.15 ft T: 11.84 C 700-500 lapse rate: 5.89 C/km ThetaE index: 9.63 C Layer 1000.0- 650.0 mb Conv cond level (CCL): 903.52 mb = 986.74 m = 3237.30 ft Mean mixing ratio: 9.93 g/kg Conv temperature: 21.40 C = 70.52 F Cap Strength: -0.03 C Lifted Index: -1.10 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.79 C Lifted Index @700 mb: -2.24 C Showalter Index: 1.51 C Risk: Showers probable Total Totals Index: 48.75 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 23.85 C K Index: 30.51 Risk: 60-80 % chance of thunderstorms Sweat Index: 226.66 Risk: None Energy Index: -0.67 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 318.94 J/kg Max Up Vert Vel: 25.26 m/s Conv Inhibition (B-): 1.42 J/kg Cap Strength: 0.98 C Lift Cond Lev (LCL): 903.33 mb = 988.52 m = 3243.14 ft Lev Free Conv (LFC): 898.33 mb = 1035.21 m = 3396.30 ft Equ Level (EL): 318.33 mb = 8916.07 m = 29251.83 ft B at Equ Level: 316.80 J/kg Max Parcel Lev (MPL): 228.33 mb = 11101.53 m = 36421.89 ft Wind Parameters Mean winds (0-6000m): 218.1 at 28.7 knts Storm direction: 248.1 at 21.5 knts Shear (0-3000m) pos: 4.3 neg: 0.1 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 94.6 deg Storm rel helicity (0-3000m) pos: 123.1 neg: 0.0 tot: 123.1 m^2/s^2 ave: 41.0 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 4.7 10^-3/s Energy-Hel index: 0.23 Bulk Rich Number: 8.44 Bulk Shear: 37.77 m/s