UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 17 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 20.0 12.0 60 8.0 15.1 270 5 292.1 293.6 287.7 316.9 8.72 1 1000 155 18.6 12.6 68 6.0 14.9 240 5 291.8 293.4 288.1 317.9 9.20 2 983 302 17.2 12.5 74 4.7 14.3 225 5 291.8 293.4 288.2 318.2 9.30 3 925 819 13.6 8.6 72 5.0 10.7 170 5 293.2 294.6 287.1 315.0 7.60 4 916 901 12.8 8.4 75 4.4 10.3 174 6 293.2 294.6 287.1 315.0 7.57 5 860 1428 9.0 6.7 85 2.3 7.7 200 11 294.6 295.9 287.2 315.3 7.17 6 850 1525 9.0 9.0 100 0.0 9.0 205 12 295.6 297.1 288.8 320.2 8.50 7 826 1763 10.8 6.5 75 4.3 8.3 207 14 299.9 301.3 289.3 321.7 7.37 8 793 2103 8.8 5.2 78 3.6 6.8 210 17 301.3 302.6 289.4 322.1 7.01 9 700 3122 1.0 1.0 100 0.0 1.0 220 27 303.6 304.7 289.2 321.4 5.89 10 659 3604 -1.7 -1.7 100 0.0 -1.7 220 26 305.8 306.8 289.2 321.5 5.13 11 654 3664 -2.3 -2.3 100 0.0 -2.3 220 25 305.8 306.7 289.0 321.0 4.94 12 611 4199 -6.9 -8.6 88 1.7 -7.6 220 24 306.5 307.1 287.7 316.7 3.27 13 563 4833 -9.7 -20.7 40 11.0 -12.8 220 22 310.5 310.7 287.0 314.8 1.31 14 549 5027 -10.3 -16.3 61 6.0 -12.2 220 21 312.0 312.4 288.2 318.4 1.95 15 530 5297 -12.1 -24.1 36 12.0 -15.2 220 20 313.0 313.2 287.6 316.5 1.03 16 517 5486 -12.9 -17.9 66 5.0 -14.5 220 20 314.3 314.6 288.8 320.3 1.81 17 500 5740 -15.1 -19.2 71 4.1 -16.3 220 19 314.6 314.9 288.8 320.2 1.67 18 441 6676 -22.9 -22.9 100 0.0 -22.9 234 17 316.3 316.5 289.0 320.9 1.37 19 435 6776 -22.1 -22.9 93 0.8 -22.3 236 17 318.5 318.8 289.8 323.3 1.39 20 406 7281 -24.9 -30.9 57 6.0 -25.9 243 16 321.3 321.4 289.9 323.8 0.72 21 400 7390 -24.3 -37.3 29 13.0 -26.2 245 16 323.4 323.5 290.2 324.8 0.39 22 394 7500 -24.9 -46.9 11 22.0 -27.2 246 17 324.0 324.1 290.2 324.6 0.14 23 380 7762 -25.9 -40.9 23 15.0 -27.8 247 18 326.1 326.1 290.9 327.1 0.28 24 323 8913 -36.5 -42.5 54 6.0 -37.0 252 23 326.9 327.0 291.2 328.0 0.28 25 300 9420 -40.7 -50.7 33 10.0 -41.3 255 26 328.0 328.0 291.3 328.5 0.12 26 283 9816 -44.3 -53.3 36 9.0 -44.7 258 31 328.4 328.4 291.3 328.7 0.09 27 261 10356 -47.7 -61.7 18 14.0 -48.1 263 38 331.0 331.1 292.0 331.2 0.04 28 250 10640 -49.7 -57.7 39 8.0 -50.0 265 42 332.2 332.2 292.4 332.4 0.06 29 244 10798 -51.3 -60.3 33 9.0 -51.5 266 42 332.1 332.1 292.3 332.3 0.05 30 221 11432 -57.9 -61.9 60 4.0 -58.0 271 42 331.5 331.5 292.2 331.6 0.04 31 200 12060 -59.3 -71.3 20 12.0 -59.5 275 42 338.9 338.9 294.0 338.9 0.01 32 193 12282 -60.7 -71.7 22 11.0 -60.8 275 42 340.1 340.1 294.3 340.1 0.01 33 150 13860 -58.3 -81.3 4 23.0 -58.5 255 42 369.6 369.6 300.5 369.7 0.00 34 143 14161 -56.3 -81.3 3 25.0 -56.6 254 45 378.2 378.2 301.9 378.2 0.00 35 116 15478 -59.5 -87.0 2 27.4 -59.8 250 59 395.5 395.5 304.6 395.5 0.00 36 101 16339 -61.7 -90.7 1 29.0 -61.9 278 38 407.4 407.4 306.2 407.4 0.00 37 100 16400 -62.3 -91.3 1 29.0 -62.5 280 36 407.4 407.4 306.2 407.4 0.00 38 83 17541 -65.7 -93.7 1 28.0 -65.9 272 37 422.7 422.7 308.0 422.7 0.00 39 70 18590 -59.9 -89.9 1 30.0 -60.3 265 38 456.2 456.2 311.4 456.2 0.00 40 63 19249 -57.7 -87.7 1 30.0 -58.3 267 39 475.0 475.0 313.1 475.1 0.00 41 55 20096 -61.3 -90.3 1 29.0 -61.7 269 41 485.6 485.6 313.9 485.6 0.00 42 50 20690 -57.9 -87.9 1 30.0 -58.6 270 42 507.0 507.0 315.4 507.1 0.00 43 33 23323 -54.1 -85.1 1 31.0 -55.7 262 29 581.1 581.1 319.7 581.2 0.01 44 30 23930 -55.9 -86.9 1 31.0 -57.3 260 26 592.2 592.2 320.3 592.3 0.01 45 27 24602 -52.7 -84.7 1 32.0 -54.9 260 28 619.4 619.4 321.5 619.4 0.01 46 24 25356 -54.7 -85.7 1 31.0 -56.6 260 31 634.8 634.8 322.1 634.8 0.01 47 20 26530 -50.5 -82.5 1 32.0 -53.8 260 35 681.6 681.6 323.9 681.8 0.02 48 17 27593 -49.3 -82.3 1 33.0 -53.4 717.9 717.9 325.0 718.1 0.03 TRP 193 12282 -60.7 -71.7 22 11.0 -60.8 275 42 340.1 340.1 294.3 340.1 0.01 WND 116 15478 -59.5 -87.0 2 27.4 -59.8 250 59 395.5 395.5 304.6 395.5 0.00 Sounding variables and indices 1000-500 mb thick: 5585.00 m Freezing level: 684.81 mb = 3300.46 m = 10828.14 ft Wetbulb zero: 684.55 mb = 3300.20 m = 10827.31 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 77.92 % Est. max temperature: 22.45 C = 72.41 F Sfc-Lift cond lev (LCL): 899.66 mb = 1051.54 m = 3449.90 ft T: 11.72 C 700-500 lapse rate: 6.15 C/km ThetaE index: 3.24 C Layer 925.0- 860.0 mb Conv cond level (CCL): 864.16 mb = 1387.76 m = 4552.95 ft Mean mixing ratio: 8.53 g/kg Conv temperature: 22.43 C = 72.37 F Cap Strength: 4.28 C Lifted Index: 3.10 C Risk: None Lifted Index @300 mb: 8.35 C Lifted Index @700 mb: 1.98 C Showalter Index: 1.17 C Risk: Showers probable Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 24.10 C K Index: 33.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 151.00 Risk: None Energy Index: -0.05 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.39 J/kg Max Up Vert Vel: 3.28 m/s Conv Inhibition (B-): 42438.86 J/kg Cap Strength: 4.28 C Lift Cond Lev (LCL): 891.09 mb = 1131.52 m = 3712.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 247 at 14 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 15 270 5 5.0 -0.0 | 55 9 -7.5 -5.2 1 1000 155 240 5 4.3 2.5 | 72 9 -8.1 -2.7 2 925 819 170 5 -0.9 4.9 | 89 13 -13.3 -0.3 3 850 1525 205 12 5.1 10.9 | 127 9 -7.4 5.7 4 700 3122 220 27 17.4 20.7 | 198 16 4.9 15.5 5 500 5740 220 19 12.2 14.6 | 178 9 -0.3 9.3 6 400 7390 245 16 14.5 6.8 | 233 3 2.0 1.5 7 300 9420 255 26 25.1 6.7 | 263 13 12.6 1.5 8 250 10640 265 42 41.8 3.7 | 273 29 29.4 -1.6 9 200 12060 275 42 41.8 -3.7 | 287 31 29.4 -8.9 10 193 12282 275 42 41.8 -3.7 | 287 31 29.4 -8.9 11 150 13860 255 42 40.6 10.9 | 259 29 28.1 5.7 12 116 15478 250 59 55.4 20.2 | 251 46 43.0 15.0 13 100 16400 280 36 35.5 -6.3 | 297 26 23.0 -11.5 14 70 18590 265 38 37.9 3.3 | 274 25 25.4 -1.9 15 50 20690 270 42 42.0 -0.0 | 280 30 29.5 -5.2 16 30 23930 260 26 25.6 4.5 | 273 13 13.1 -0.7 17 20 26530 260 35 34.5 6.1 | 268 22 22.0 0.9 Wind Parameters Mean winds (0-6000m): 217.3 at 18.0 knts Storm direction: 247.3 at 13.5 knts Shear (0-3000m) pos: 3.6 neg: 1.5 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 139.5 deg Storm rel helicity (0-3000m) pos: 76.4 neg: -0.2 tot: 76.2 m^2/s^2 ave: 25.4 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 4.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 22.92 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 ------------------------------------------------------------------------------- 500 229 5 77 9| 0.0 5.7 5.7| 11.9 0.0 11.9 23.7 0.84| 6.1 5.1 1000 203 5 88 10| 0.0 4.4 4.4| 20.2 -0.2 20.0 20.0 0.68| 5.6 3.8 1500 201 7 96 10| 2.2 2.9 5.1| 36.5 -0.2 36.3 24.2 0.75| 5.9 4.5 2000 204 9 106 9| 2.9 2.2 5.1| 48.6 -0.2 48.4 24.2 0.80| 5.7 4.6 2500 207 11 119 9| 3.3 1.8 5.1| 61.6 -0.2 61.4 24.6 0.82| 5.6 4.6 3000 211 13 135 8| 3.6 1.5 5.1| 76.4 -0.2 76.2 25.4 0.81| 5.5 4.5 4000 215 16 158 9| 2.7 1.1 3.8| 79.6 -4.4 75.2 18.8 0.72| 4.6 3.3 5000 216 18 167 9| 2.2 0.9 3.1| 79.6 -9.4 70.2 14.0 0.63| 4.0 2.5 6000 217 18 170 9| 1.7 0.8 2.5| 81.1 -12.9 68.1 11.4 0.56| 3.6 2.0 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20251017.12.gif