UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 20 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 1010 15 18.4 13.7 74 4.7 15.5 45 6 290.7 292.5 288.2 318.4 9.79 1 1000 125 17.6 14.3 81 3.3 15.5 60 13 290.8 292.6 288.7 319.8 10.29 2 980 298 16.6 13.7 83 2.9 14.8 70 11 291.4 293.2 288.8 320.0 10.10 3 925 788 13.2 12.1 93 1.1 12.6 100 5 292.8 294.5 288.8 320.3 9.63 4 913 898 12.2 11.5 95 0.7 11.8 121 5 292.9 294.5 288.6 319.6 9.37 5 888 1130 10.6 10.6 100 0.0 10.6 165 6 293.6 295.2 288.6 319.5 9.07 6 850 1495 9.6 9.6 100 0.0 9.6 235 8 296.2 297.8 289.3 321.9 8.86 7 790 2101 6.8 6.8 100 0.0 6.8 243 14 299.5 300.9 289.6 322.7 7.87 8 768 2333 5.8 5.8 100 0.0 5.8 245 16 300.8 302.2 289.8 323.2 7.55 9 700 3086 0.6 -0.2 94 0.8 0.2 255 24 303.1 304.1 288.6 319.5 5.39 10 679 3329 -1.5 -4.2 82 2.7 -2.7 256 24 303.5 304.2 287.5 316.1 4.13 11 656 3603 -2.5 -4.3 87 1.8 -3.3 257 24 305.3 306.1 288.2 318.4 4.24 12 608 4202 -6.1 -10.9 69 4.8 -7.9 259 25 307.9 308.4 287.6 316.6 2.74 13 600 4305 -6.1 -7.5 90 1.4 -6.7 260 25 309.1 309.7 288.9 320.5 3.63 14 541 5109 -10.5 -14.6 72 4.1 -11.9 263 26 313.1 313.5 288.9 320.5 2.28 15 530 5267 -11.7 -21.7 43 10.0 -14.5 263 26 313.5 313.7 288.0 317.8 1.27 16 500 5710 -15.1 -18.6 75 3.5 -16.2 265 26 314.6 315.0 288.9 320.5 1.76 17 487 5909 -16.5 -17.4 93 0.9 -16.8 263 28 315.3 315.7 289.3 321.9 2.00 18 453 6453 -18.3 -22.7 68 4.4 -19.4 258 32 319.6 319.9 290.0 324.3 1.36 19 400 7370 -25.9 -27.9 83 2.0 -26.3 250 40 321.3 321.5 290.2 324.7 0.96 20 392 7516 -27.3 -28.4 90 1.1 -27.5 250 40 321.4 321.5 290.2 324.6 0.94 21 328 8778 -35.9 -45.9 35 10.0 -36.7 253 41 326.3 326.4 290.9 327.1 0.19 22 320 8949 -37.7 -48.7 31 11.0 -38.4 254 42 326.2 326.2 290.7 326.7 0.14 23 300 9390 -41.9 -50.9 37 9.0 -42.4 255 42 326.3 326.3 290.8 326.8 0.12 24 250 10590 -52.5 -57.4 55 4.9 -52.7 250 50 328.0 328.0 291.2 328.3 0.07 25 242 10800 -54.3 -59.3 54 5.0 -54.4 249 53 328.4 328.4 291.3 328.6 0.05 26 229 11152 -57.5 -62.5 53 5.0 -57.6 247 59 328.7 328.7 291.4 328.9 0.04 27 217 11491 -60.0 -65.0 52 5.0 -60.1 245 64 329.9 329.9 291.7 330.0 0.03 28 213 11607 -60.9 -65.9 52 5.0 -61.0 246 62 330.3 330.3 291.8 330.4 0.03 29 207 11786 -60.1 -64.8 54 4.7 -60.2 248 58 334.3 334.3 292.9 334.4 0.03 30 200 12000 -62.1 -67.1 51 5.0 -62.1 250 54 334.4 334.4 292.9 334.5 0.02 31 198 12062 -62.7 -67.7 51 5.0 -62.7 255 53 334.4 334.4 292.9 334.5 0.02 32 185 12483 -58.9 -69.9 23 11.0 -59.0 257 52 347.1 347.1 296.0 347.2 0.02 33 164 13235 -60.1 -76.1 11 16.0 -60.3 262 49 357.3 357.3 298.2 357.3 0.01 34 150 13790 -60.1 -74.1 14 14.0 -60.3 265 47 366.5 366.5 299.9 366.6 0.01 35 112 15608 -63.1 -84.1 4 21.0 -63.3 265 46 392.9 392.9 304.2 392.9 0.00 36 101 16248 -61.9 -86.9 2 25.0 -62.1 265 46 407.0 407.0 306.1 407.0 0.00 37 100 16310 -61.5 -87.5 2 26.0 -61.7 265 46 408.9 408.9 306.4 408.9 0.00 38 82 17542 -59.7 -89.7 1 30.0 -60.1 262 43 436.5 436.5 309.5 436.5 0.00 39 73 18261 -62.7 -91.7 1 29.0 -63.0 261 42 444.9 444.9 310.4 444.9 0.00 40 70 18520 -61.7 -90.7 1 29.0 -62.0 260 41 452.4 452.4 311.1 452.4 0.00 41 58 19686 -59.9 -89.9 1 30.0 -60.4 266 47 481.4 481.4 313.5 481.5 0.00 42 50 20610 -60.5 -89.5 1 29.0 -61.0 270 51 500.9 500.9 315.0 500.9 0.00 43 48 20864 -61.5 -90.5 1 29.0 -62.0 504.4 504.4 315.2 504.4 0.00 TRP 198 12062 -62.7 -67.7 51 5.0 -62.7 255 53 334.4 334.4 292.9 334.5 0.02 WND 217 11491 -60.0 -65.0 52 5.0 -60.1 245 64 329.9 329.9 291.7 330.0 0.03 Sounding variables and indices 1000-500 mb thick: 5585.00 m Freezing level: 694.00 mb = 3155.54 m = 10352.71 ft Wetbulb zero: 698.60 mb = 3102.02 m = 10177.09 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 86.11 % Est. max temperature: 23.18 C = 73.73 F Sfc-Lift cond lev (LCL): 941.95 mb = 633.89 m = 2079.66 ft T: 14.27 C 700-500 lapse rate: 5.98 C/km ThetaE index: 7.14 C Layer 700.0- 656.0 mb Conv cond level (CCL): 914.50 mb = 884.06 m = 2900.43 ft Mean mixing ratio: 9.88 g/kg Conv temperature: 20.55 C = 68.99 F Cap Strength: 1.67 C Lifted Index: 1.29 C Risk: Showers probable Lifted Index @300 mb: 4.96 C Lifted Index @700 mb: 0.17 C Showalter Index: 0.29 C Risk: Thunderstorms probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 24.70 C K Index: 33.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 165.20 Risk: None Energy Index: -0.35 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.01 J/kg Max Up Vert Vel: 5.10 m/s Conv Inhibition (B-): 6.22 J/kg Cap Strength: 1.66 C Lift Cond Lev (LCL): 927.71 mb = 763.18 m = 2503.86 ft Lev Free Conv (LFC): 892.71 mb = 1086.12 m = 3563.35 ft Equ Level (EL): 872.71 mb = 1275.21 m = 4183.72 ft B at Equ Level: 8.89 J/kg Max Parcel Lev (MPL): 822.71 mb = 1765.02 m = 5790.69 ft Wind level data Storm motion: 288 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 1010 15 45 6 -4.2 -4.2 | 90 18 -17.7 -0.0 1 1000 125 60 13 -11.3 -6.5 | 85 25 -24.7 -2.3 2 925 788 100 5 -4.9 0.9 | 106 19 -18.3 5.1 3 850 1495 235 8 6.6 4.6 | 142 11 -6.9 8.8 4 700 3086 255 24 23.2 6.2 | 223 14 9.8 10.4 5 500 5710 265 26 25.9 2.3 | 242 14 12.5 6.5 6 400 7370 250 40 37.6 13.7 | 233 30 24.2 17.9 7 300 9390 255 42 40.6 10.9 | 241 31 27.2 15.1 8 250 10590 250 50 47.0 17.1 | 238 40 33.6 21.3 9 217 11491 245 64 58.0 27.0 | 235 54 44.6 31.3 10 200 12000 250 54 50.7 18.5 | 239 44 37.3 22.7 11 198 12062 255 53 51.2 13.7 | 245 42 37.8 18.0 12 150 13790 265 47 46.8 4.1 | 256 34 33.4 8.3 13 100 16310 265 46 45.8 4.0 | 256 33 32.4 8.2 14 70 18520 260 41 40.4 7.1 | 247 29 27.0 11.4 15 50 20610 270 51 51.0 -0.0 | 264 38 37.6 4.2 Wind Parameters Mean winds (0-6000m): 257.5 at 18.8 knts Storm direction: 287.5 at 14.1 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 130.3 deg Storm rel helicity (0-3000m) pos: 148.8 neg: -10.2 tot: 138.6 m^2/s^2 ave: 46.2 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.12 Bulk Shear: 111.84 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 67 10 90 23| 5.3 0.0 5.3| 35.3 -10.2 25.1 50.1 0.29| 13.4 3.9 1000 76 8 96 22| 4.7 0.0 4.7| 70.3 -10.2 60.0 60.0 0.50| 10.7 5.4 1500 87 8 100 22| 4.9 0.0 4.9|102.0 -10.2 91.8 61.2 0.55| 11.1 6.1 2000 161 9 127 20| 4.9 0.0 4.9|116.6 -10.2 106.4 53.2 0.61| 9.6 5.9 2500 230 10 152 12| 4.9 0.0 4.9|131.9 -10.2 121.7 48.7 0.66| 8.8 5.8 3000 244 12 164 10| 4.9 0.0 4.9|148.8 -10.2 138.6 46.2 0.69| 8.3 5.7 4000 251 15 185 9| 3.8 0.0 3.8|157.6 -10.2 147.4 36.8 0.70| 6.5 4.6 5000 255 17 200 9| 3.1 0.0 3.1|164.5 -10.2 154.2 30.8 0.71| 5.4 3.8 6000 258 19 211 10| 2.6 0.2 2.9|169.3 -11.4 157.9 26.3 0.68| 4.9 3.3 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20251020.12.gif