MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508270600F012.nam218 Reading from grid file:/home/data/models/nam_218/2508270600F012.nam218 Searching file for grids... Date: 12 hour NAM valid 18Z WED 27 AUG 25 Station: 30.53,-100.81 Latitude: 30.53 Longitude: -100.81 ------------------------------------------------------------------------------- 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 147 1 950 602 SFC 942 675 30.7 19.8 52 11.0 22.8 160 7 309.1 312.0 298.0 356.5 15.60 3 900 1081 24.3 18.5 70 5.9 20.2 162 8 306.6 309.4 297.0 351.8 15.03 4 850 1579 19.5 17.5 88 2.0 18.1 162 8 306.5 309.3 297.0 351.5 14.95 5 800 2098 15.5 12.6 83 2.9 13.6 174 12 307.7 309.9 295.0 342.7 11.58 6 750 2643 12.3 7.7 74 4.6 9.5 178 15 309.9 311.6 293.6 337.0 8.84 7 700 3221 10.5 2.6 58 7.9 6.0 171 18 314.1 315.4 293.0 334.9 6.61 8 650 3834 6.4 3.4 81 3.1 4.6 162 17 316.2 317.7 294.3 339.9 7.52 9 600 4487 2.9 -1.5 73 4.3 0.5 164 14 319.4 320.5 293.8 337.9 5.73 10 550 5187 -0.6 -10.7 46 10.1 -5.0 172 13 323.4 324.0 292.7 333.7 3.08 11 500 5942 -5.0 -14.6 47 9.6 -8.8 171 12 326.9 327.4 293.2 335.3 2.46 12 450 6763 -10.1 -20.8 41 10.7 -13.6 160 14 330.5 330.8 293.4 336.2 1.62 13 400 7658 -16.3 -32.7 23 16.5 -19.8 154 17 333.8 334.0 293.3 336.1 0.61 14 350 8648 -23.2 -31.4 47 8.2 -24.9 182 15 337.5 337.7 294.4 340.5 0.79 15 300 9757 -32.3 -40.7 43 8.4 -33.3 177 13 339.9 340.0 294.6 341.3 0.36 16 250 11018 -41.5 -58.1 15 16.6 -42.3 126 9 344.4 344.4 295.4 344.7 0.06 17 200 12493 -52.2 -69.0 12 16.8 -52.5 329 13 350.2 350.2 296.7 350.2 0.02 18 150 14306 -64.9 -78.8 13 13.8 -65.0 19 9 358.2 358.2 298.4 358.2 0.01 19 100 16719 -71.9 -85.4 12 13.5 -71.9 41 14 388.9 388.9 303.6 388.9 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5794.84 m Freezing level: 558.59 mb = 5066.64 m = 16622.62 ft Wetbulb zero: 595.03 mb = 4553.80 m = 14940.12 ft Precipitable water: 1.67 inches Sfc-500 mean rel hum: 67.89 % Est. max temperature: 29.71 C = 85.48 F Sfc-Lift cond lev (LCL): 804.19 mb = 2053.20 m = 6736.15 ft T: 15.88 C 700-500 lapse rate: 5.72 C/km ThetaE index: 21.60 C Layer 900.0- 650.0 mb Conv cond level (CCL): 818.95 mb = 1897.44 m = 6225.12 ft Mean mixing ratio: 15.09 g/kg Conv temperature: 28.94 C = 84.09 F Cap Strength: 0.11 C Lifted Index: -3.01 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.28 C Lifted Index @700 mb: -0.75 C Showalter Index: -2.60 C Risk: Severe thunderstorms possible Total Totals Index: 47.02 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 22.52 C K Index: 34.06 Risk: 60-80 % chance of thunderstorms Sweat Index: 238.93 Risk: None Energy Index: -3.19 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1306.72 J/kg Max Up Vert Vel: 51.12 m/s Conv Inhibition (B-): 9.89 J/kg Cap Strength: 1.98 C Lift Cond Lev (LCL): 821.25 mb = 1873.32 m = 6146.00 ft Lev Free Conv (LFC): 816.25 mb = 1925.63 m = 6317.59 ft Equ Level (EL): 186.25 mb = 12941.97 m = 42460.01 ft B at Equ Level: 1305.78 J/kg Max Parcel Lev (MPL): 106.25 mb = 16357.53 m = 53665.78 ft Wind Parameters Mean winds (0-6000m): 168.4 at 13.1 knts Storm direction: 198.4 at 9.9 knts Shear (0-3000m) pos: 1.4 neg: 0.8 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 69.8 deg Storm rel helicity (0-3000m) pos: 11.4 neg: -6.6 tot: 4.7 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 0.9 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 294.60 Bulk Shear: 4.44 m/s