UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 18 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 1013 15 23.4 16.4 65 7.0 18.8 265 5 295.5 297.6 291.4 329.0 11.65 1 1010 48 21.2 16.2 73 5.0 17.9 266 5 293.5 295.6 290.7 326.4 11.54 2 1000 156 20.4 16.2 77 4.2 17.7 270 3 293.5 295.6 290.8 326.8 11.66 3 990 243 19.4 15.8 80 3.6 17.1 275 3 293.4 295.4 290.6 326.1 11.47 4 983 304 19.2 15.2 78 4.0 16.6 278 4 293.8 295.8 290.4 325.5 11.11 5 925 824 15.8 11.0 73 4.8 12.9 305 6 295.5 297.1 289.2 321.3 8.94 6 917 898 15.2 10.7 74 4.5 12.4 304 7 295.6 297.2 289.1 321.1 8.84 7 850 1537 10.6 7.6 82 3.0 8.9 295 20 297.3 298.6 288.7 319.8 7.72 8 794 2102 9.0 -1.0 49 10.0 4.0 288 22 301.4 302.2 287.1 314.9 4.48 9 745 2628 7.4 -13.6 21 21.0 -0.6 281 23 305.2 305.5 285.7 310.9 1.79 10 700 3137 3.6 -22.4 13 26.0 -4.4 275 25 306.5 306.6 285.1 309.5 0.90 11 674 3444 2.0 -38.0 3 40.0 -6.6 274 26 308.0 308.1 284.8 308.8 0.21 12 661 3601 1.4 -33.6 5 35.0 -6.9 273 27 309.1 309.1 285.4 310.3 0.34 13 644 3810 0.0 -29.0 9 29.0 -7.5 273 28 309.8 309.9 285.9 311.6 0.54 14 632 3961 -1.1 -14.1 37 13.0 -5.9 272 29 310.2 310.6 287.7 316.8 2.03 15 613 4204 -2.9 -14.9 39 12.0 -7.2 271 30 310.9 311.2 287.8 317.2 1.96 16 575 4708 -6.3 -21.3 29 15.0 -10.7 269 32 312.6 312.8 287.6 316.7 1.21 17 563 4873 -7.5 -13.5 62 6.0 -9.7 269 33 313.1 313.5 289.0 320.9 2.40 18 518 5519 -10.7 -18.7 52 8.0 -13.2 266 36 316.8 317.1 289.5 322.4 1.69 19 505 5714 -12.3 -21.3 47 9.0 -14.9 265 37 317.1 317.4 289.3 321.8 1.38 20 500 5790 -12.9 -21.9 47 9.0 -15.4 265 37 317.3 317.6 289.3 321.8 1.32 21 400 7440 -26.5 -30.4 70 3.9 -27.2 270 39 320.5 320.7 289.8 323.2 0.76 22 357 8251 -32.7 -35.5 76 2.8 -33.1 260 41 322.8 322.9 290.2 324.7 0.52 23 339 8613 -35.3 -40.3 60 5.0 -35.8 256 41 324.1 324.2 290.4 325.3 0.34 24 300 9450 -43.1 -47.5 62 4.4 -43.3 245 43 324.6 324.6 290.3 325.3 0.17 25 286 9769 -46.3 -49.5 70 3.2 -46.4 249 45 324.5 324.5 290.3 325.1 0.15 26 267 10222 -48.5 -59.5 27 11.0 -48.8 255 48 327.7 327.7 291.1 327.9 0.05 27 250 10650 -52.1 -59.1 43 7.0 -52.3 260 51 328.6 328.6 291.4 328.8 0.05 28 244 10807 -53.3 -60.3 42 7.0 -53.5 261 53 329.1 329.1 291.5 329.3 0.05 29 209 11787 -61.7 -66.5 53 4.8 -61.7 265 67 330.9 330.9 292.0 331.0 0.02 30 205 11907 -62.1 -66.9 52 4.9 -62.1 265 69 332.1 332.1 292.3 332.2 0.02 31 200 12060 -62.5 -67.5 51 5.0 -62.6 265 66 333.8 333.8 292.7 333.9 0.02 32 199 12091 -62.7 -67.7 51 5.0 -62.7 270 65 333.9 334.0 292.8 334.0 0.02 33 183 12613 -59.1 -73.1 15 14.0 -59.3 266 63 347.9 347.9 296.2 347.9 0.01 34 178 12788 -59.3 -75.3 11 16.0 -59.5 264 62 350.3 350.3 296.7 350.4 0.01 35 150 13860 -60.1 -80.1 6 20.0 -60.3 255 58 366.5 366.5 299.9 366.6 0.00 36 101 16338 -59.1 -89.1 1 30.0 -59.5 255 58 412.4 412.4 306.8 412.4 0.00 37 100 16400 -59.1 -89.1 1 30.0 -59.5 255 58 413.5 413.5 306.9 413.5 0.00 38 94 16786 -59.7 -89.7 1 30.0 -60.0 257 56 419.7 419.7 307.7 419.7 0.00 39 86 17336 -63.5 -91.5 1 28.0 -63.7 259 52 422.9 422.9 308.0 422.9 0.00 40 70 18600 -62.7 -91.7 1 29.0 -63.0 265 44 450.2 450.2 310.9 450.3 0.00 41 56 19983 -62.7 -91.7 1 29.0 -63.1 268 36 479.9 479.9 313.4 479.9 0.00 42 50 20690 -59.7 -89.7 1 30.0 -60.3 270 32 502.8 502.8 315.1 502.8 0.00 43 41 21926 -62.5 -91.5 1 29.0 -63.0 258 30 525.2 525.2 316.6 525.2 0.00 44 30 23880 -57.5 -87.5 1 30.0 -58.7 240 28 587.9 587.9 320.0 587.9 0.01 45 29 24094 -57.3 -87.3 1 30.0 -58.6 594.2 594.2 320.3 594.2 0.01 TRP 199 12091 -62.7 -67.7 51 5.0 -62.7 270 65 333.9 334.0 292.8 334.0 0.02 WND 205 11907 -62.1 -66.9 52 4.9 -62.1 265 69 332.1 332.1 292.3 332.2 0.02 Sounding variables and indices 1000-500 mb thick: 5634.00 m Freezing level: 644.00 mb = 3810.34 m = 12500.96 ft Wetbulb zero: 751.57 mb = 2555.52 m = 8384.14 ft Precipitable water: 1.01 inches Sfc-500 mean rel hum: 46.71 % Est. max temperature: 24.87 C = 76.77 F Sfc-Lift cond lev (LCL): 914.06 mb = 924.86 m = 3034.29 ft T: 15.01 C 700-500 lapse rate: 6.22 C/km ThetaE index: 18.01 C Layer 990.0- 661.0 mb Conv cond level (CCL): 873.55 mb = 1306.73 m = 4287.13 ft Mean mixing ratio: 10.31 g/kg Conv temperature: 24.61 C = 76.30 F Cap Strength: 2.58 C Lifted Index: 1.32 C Risk: Showers probable Lifted Index @300 mb: 1.06 C Lifted Index @700 mb: 1.53 C Showalter Index: 3.60 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 20.50 C K Index: 5.10 Risk: None Sweat Index: 168.20 Risk: None Energy Index: 0.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.93 J/kg Max Up Vert Vel: 3.98 m/s Conv Inhibition (B-): 27898.45 J/kg Cap Strength: 2.53 C Lift Cond Lev (LCL): 902.28 mb = 1034.20 m = 3393.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 305 at 18 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 1013 15 265 5 5.0 0.4 | 138 14 -9.6 10.5 1 1000 156 270 3 3.0 -0.0 | 131 15 -11.6 10.1 2 925 824 305 6 4.9 -3.4 | 125 12 -9.6 6.7 3 850 1537 295 20 18.1 -8.5 | 245 4 3.6 1.6 4 700 3137 275 25 24.9 -2.2 | 233 13 10.4 7.9 5 500 5790 265 37 36.9 3.2 | 239 26 22.3 13.3 6 400 7440 270 39 39.0 -0.0 | 248 26 24.4 10.1 7 300 9450 245 43 39.0 18.2 | 221 37 24.4 28.3 8 250 10650 260 51 50.2 8.9 | 242 40 35.7 19.0 9 205 11907 265 69 68.7 6.0 | 253 57 54.2 16.1 10 200 12060 265 66 65.7 5.8 | 253 54 51.2 15.8 11 199 12091 270 65 65.0 -0.0 | 259 51 50.4 10.1 12 150 13860 255 58 56.0 15.0 | 239 48 41.5 25.1 13 100 16400 255 58 56.0 15.0 | 239 48 41.5 25.1 14 70 18600 265 44 43.8 3.8 | 245 32 29.3 13.9 15 50 20690 270 32 32.0 -0.0 | 240 20 17.4 10.1 16 30 23880 240 28 24.2 14.0 | 202 26 9.7 24.1 Wind Parameters Mean winds (0-6000m): 274.8 at 23.6 knts Storm direction: 304.8 at 17.7 knts Shear (0-3000m) pos: 1.1 neg: 2.8 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 95.9 deg Storm rel helicity (0-3000m) pos: 7.4 neg: -15.1 tot: -7.7 m^2/s^2 ave: -2.6 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 51.71 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 ------------------------------------------------------------------------------- 500 278 4 132 14| 2.1 0.0 2.1| 0.0 -7.4 -7.4 -14.8 -0.53| 3.7 -2.0 1000 294 5 129 13| 3.4 0.0 3.4| 1.2 -11.2 -10.0 -10.0 -0.28| 4.8 -1.3 1500 296 8 133 10| 2.2 3.4 5.7| 7.1 -11.2 -4.1 -2.7 0.20| 6.7 1.4 2000 294 11 143 7| 1.7 3.1 4.8| 7.4 -11.6 -4.2 -2.1 0.18| 5.8 1.0 2500 291 14 161 5| 1.3 2.9 4.3| 7.4 -12.8 -5.4 -2.2 0.13| 5.2 0.7 3000 288 15 182 5| 1.1 2.8 3.9| 7.4 -15.1 -7.7 -2.6 0.09| 4.9 0.4 4000 283 18 208 7| 0.8 2.7 3.6| 12.0 -15.7 -3.7 -0.9 0.11| 4.3 0.5 5000 278 21 221 9| 0.7 2.7 3.3| 15.0 -15.7 -0.7 -0.1 0.11| 4.0 0.4 6000 275 24 228 12| 0.6 2.6 3.1| 18.8 -15.9 2.9 0.5 0.11| 3.7 0.4 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20251018.12.gif