UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 19 OCT 25 Station: LGAT WMO ident: 16716 Latitude: 37.90 Longitude: 23.73 Elevation: 15.00 ------------------------------------------------------------------------------- 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 1012 15 18.2 16.2 88 2.0 16.9 65 1 290.4 292.4 289.6 322.8 11.51 1 1000 150 18.8 14.4 76 4.4 16.0 10 8 292.0 293.8 289.2 321.4 10.36 2 983 297 17.4 13.4 77 4.0 14.9 349 10 292.0 293.7 288.8 320.0 9.87 3 961 490 15.4 13.0 86 2.4 13.9 322 14 291.9 293.6 288.6 319.8 9.83 4 938 696 16.0 11.5 75 4.5 13.3 292 17 294.5 296.1 288.9 320.7 9.12 5 925 814 15.0 10.7 75 4.3 12.4 275 19 294.6 296.2 288.7 319.9 8.76 6 916 897 14.6 10.5 76 4.1 12.1 272 19 295.1 296.6 288.8 320.2 8.73 7 883 1207 13.6 8.6 72 5.0 10.7 261 20 297.1 298.6 288.8 320.4 7.96 8 850 1527 10.8 6.8 76 4.0 8.5 250 20 297.5 298.8 288.3 318.8 7.31 9 793 2102 6.4 4.7 89 1.7 5.5 250 24 298.7 300.0 288.3 318.7 6.77 10 753 2524 3.0 3.0 100 0.0 3.0 250 27 299.5 300.6 288.2 318.2 6.32 11 727 2808 0.6 0.6 100 0.0 0.6 250 30 299.9 300.9 287.5 316.3 5.50 12 700 3112 -0.7 -0.7 100 0.0 -0.7 250 32 301.7 302.7 287.9 317.3 5.20 13 658 3604 -2.3 -2.3 100 0.0 -2.3 253 31 305.3 306.2 288.8 320.3 4.91 14 636 3874 -2.9 -2.9 100 0.0 -2.9 254 31 307.6 308.5 289.5 322.6 4.86 15 610 4203 -4.7 -4.8 99 0.1 -4.7 256 31 309.2 310.0 289.6 322.9 4.39 16 500 5740 -14.1 -15.5 89 1.4 -14.6 265 29 315.8 316.3 289.8 323.4 2.29 17 465 6287 -17.5 -19.8 82 2.3 -18.1 318.2 318.6 290.0 324.0 1.71 TRP WND Sounding variables and indices 1000-500 mb thick: 5590.00 m Freezing level: 714.54 mb = 2948.48 m = 9673.38 ft Wetbulb zero: 714.31 mb = 2949.58 m = 9676.99 ft Precipitable water: 1.31 inches Sfc-500 mean rel hum: 90.47 % Est. max temperature: 25.21 C = 77.38 F Sfc-Lift cond lev (LCL): 982.72 mb = 299.34 m = 982.08 ft T: 17.37 C 700-500 lapse rate: 5.10 C/km ThetaE index: 4.07 C Layer 850.0- 700.0 mb Conv cond level (CCL): 851.03 mb = 1516.82 m = 4976.37 ft Mean mixing ratio: 9.66 g/kg Conv temperature: 25.32 C = 77.57 F Cap Strength: 2.92 C Lifted Index: 2.05 C Risk: None Lifted Index @700 mb: -1.31 C Showalter Index: 2.93 C Risk: Showers probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 20.90 C K Index: 31.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 207.95 Risk: None Energy Index: 0.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 66.20 J/kg Max Up Vert Vel: 11.51 m/s Conv Inhibition (B-): 86.26 J/kg Cap Strength: 2.82 C Lift Cond Lev (LCL): 909.46 mb = 957.43 m = 3141.14 ft Lev Free Conv (LFC): 774.46 mb = 2294.94 m = 7529.25 ft Equ Level (EL): 654.46 mb = 3647.19 m = 11965.69 ft B at Equ Level: 65.71 J/kg Max Parcel Lev (MPL): 534.46 mb = 5224.93 m = 17141.95 ft Wind level data Storm motion: 287 at 19 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1012 15 65 1 -0.9 -0.4 | 105 20 -19.2 5.3 1 1000 150 10 8 -1.4 -7.9 | 84 20 -19.7 -2.1 2 925 814 275 19 18.9 -1.7 | 188 4 0.6 4.1 3 850 1527 250 20 18.8 6.8 | 182 13 0.5 12.6 4 700 3112 250 32 30.1 10.9 | 215 20 11.7 16.7 5 500 5740 265 29 28.9 2.5 | 232 13 10.6 8.3 Wind Parameters Mean winds (0-6000m): 257.4 at 25.6 knts Storm direction: 287.4 at 19.2 knts Shear (0-3000m) pos: 0.0 neg: 5.5 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 108.5 deg Storm rel helicity (0-3000m) pos: 38.3 neg: -69.4 tot: -31.0 m^2/s^2 ave: -10.3 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.73 Bulk Shear: 90.97 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 340 10 78 15| 0.0 14.8 14.8| 0.0 -66.2 -66.2 -132.3 -0.69| 20.2-14.0 1000 291 14 98 6| 0.0 10.4 10.4| 3.7 -66.6 -62.9 -62.9 -0.18| 18.6 -3.4 1500 275 16 148 5| 0.0 7.2 7.2| 3.7 -69.4 -65.6 -43.8 -0.18| 14.5 -2.6 2000 266 17 171 7| 0.0 6.4 6.4| 15.0 -69.4 -54.4 -27.2 -0.10| 11.8 -1.1 2500 261 19 183 9| 0.0 5.9 5.9| 26.6 -69.4 -42.7 -17.1 -0.03| 10.2 -0.3 3000 258 21 191 10| 0.0 5.5 5.5| 38.3 -69.4 -31.0 -10.3 0.02| 9.2 0.1 4000 256 23 201 12| 0.4 4.1 4.5| 49.4 -69.4 -20.0 -5.0 0.05| 7.4 0.4 5000 256 25 207 13| 0.6 3.3 3.9| 57.5 -69.4 -11.9 -2.4 0.08| 6.2 0.5 6000 NO DATA | 0.7 3.0 3.7| | Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20251019.12.gif