MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508261200F054.nam218 Reading from grid file:/home/data/models/nam_218/2508261200F054.nam218 Searching file for grids... Date: 54 hour NAM valid 18Z THU 28 AUG 25 Station: 20.98,-89.65 Latitude: 20.98 Longitude: -89.65 ------------------------------------------------------------------------------- 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 1014 9 34.7 21.6 47 13.1 25.1 78 6 306.7 309.7 297.8 355.4 16.22 1 1000 132 31.3 20.8 54 10.5 23.7 80 7 304.4 307.3 296.8 350.9 15.61 2 950 591 26.5 19.8 67 6.7 21.8 81 8 304.1 307.0 296.7 350.3 15.52 3 900 1065 21.9 18.9 83 3.0 19.8 83 9 304.1 306.9 296.7 350.1 15.45 4 850 1559 17.3 16.3 94 1.0 16.6 88 11 304.3 306.9 295.6 345.5 13.83 5 800 2075 14.9 8.9 67 6.0 11.2 101 17 307.1 308.8 292.9 334.3 9.00 6 750 2621 13.8 1.8 44 12.0 7.1 102 16 311.6 312.7 291.6 329.8 5.83 7 700 3198 9.8 -0.1 50 9.8 4.5 98 17 313.3 314.3 291.8 330.5 5.45 8 650 3809 6.1 -6.8 39 12.9 0.1 97 16 315.9 316.6 291.0 327.3 3.54 9 600 4460 2.1 -7.9 47 10.0 -2.5 101 15 318.6 319.3 291.7 330.0 3.51 10 550 5157 -1.2 -15.6 33 14.4 -6.7 94 15 322.7 323.1 291.6 329.7 2.06 11 500 5911 -5.2 -22.7 24 17.5 -10.7 89 16 326.7 327.0 292.0 331.1 1.24 12 450 6730 -10.2 -24.0 31 13.8 -14.3 103 14 330.4 330.7 293.0 334.8 1.22 13 400 7627 -16.1 -29.4 31 13.3 -19.3 120 18 334.1 334.2 293.6 337.2 0.84 14 350 8618 -23.4 -27.9 66 4.5 -24.5 120 18 337.2 337.4 294.6 341.2 1.10 15 300 9729 -31.1 -41.5 35 10.4 -32.4 118 14 341.5 341.5 295.0 342.8 0.33 16 250 10993 -41.4 -51.7 32 10.3 -42.1 98 5 344.5 344.5 295.5 345.0 0.13 17 200 12465 -53.9 -61.1 41 7.1 -54.1 321 4 347.3 347.4 296.1 347.6 0.05 18 150 14249 -67.9 -74.0 42 6.0 -68.0 50 13 353.0 353.0 297.3 353.1 0.01 19 100 16643 -73.5 -84.9 16 11.3 -73.6 79 16 385.6 385.6 303.1 385.6 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5779.59 m Freezing level: 567.93 mb = 4907.12 m = 16099.27 ft Wetbulb zero: 648.46 mb = 3828.30 m = 12559.89 ft Precipitable water: 1.80 inches Sfc-500 mean rel hum: 53.10 % Est. max temperature: 32.28 C = 90.10 F Sfc-Lift cond lev (LCL): 839.83 mb = 1661.47 m = 5450.95 ft T: 16.85 C 700-500 lapse rate: 5.51 C/km ThetaE index: 25.66 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 860.94 mb = 1448.53 m = 4752.34 ft Mean mixing ratio: 15.58 g/kg Conv temperature: 32.29 C = 90.13 F Cap Strength: 0.46 C Lifted Index: -2.53 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.22 C Lifted Index @700 mb: -1.03 C Showalter Index: -0.56 C Risk: Thunderstorms probable Total Totals Index: 43.94 C Risk: None Vertical Totals Index: 22.49 C Cross Totals Index: 21.45 C K Index: 28.94 Risk: 40-60 % chance of thunderstorms Sweat Index: 231.82 Risk: None Energy Index: -2.79 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1095.32 J/kg Max Up Vert Vel: 46.80 m/s Conv Inhibition (B-): 4.60 J/kg Cap Strength: 2.30 C Lift Cond Lev (LCL): 859.83 mb = 1459.67 m = 4788.90 ft Lev Free Conv (LFC): 854.83 mb = 1510.04 m = 4954.13 ft Equ Level (EL): 764.83 mb = 2455.34 m = 8055.49 ft B at Equ Level: 27.20 J/kg Wind Parameters Mean winds (0-6000m): 95.2 at 13.9 knts Storm direction: 125.2 at 10.4 knts Shear (0-3000m) pos: 1.9 neg: 0.1 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 84.3 deg Storm rel helicity (0-3000m) pos: 21.1 neg: -1.5 tot: 19.5 m^2/s^2 ave: 6.5 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 2.2 stream: 1.8 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 165.32 Bulk Shear: 6.63 m/s