UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 26 APR 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 1004 15 22.8 11.8 50 11.0 16.0 190 5 295.6 297.2 289.0 320.7 8.68 1 1000 78 19.6 11.6 60 8.0 14.7 185 10 292.8 294.3 287.9 317.3 8.60 2 974 304 17.6 10.6 64 7.0 13.4 180 9 292.9 294.4 287.6 316.6 8.26 3 925 743 14.6 7.6 63 7.0 10.6 170 7 294.2 295.5 287.0 314.7 7.09 4 908 900 13.2 6.2 62 7.0 9.3 177 7 294.4 295.5 286.5 313.4 6.56 5 863 1325 10.0 6.9 81 3.1 8.2 195 7 295.3 296.6 287.5 316.4 7.25 6 850 1451 9.0 5.2 77 3.8 6.9 200 7 295.6 296.8 286.9 314.6 6.53 7 785 2105 4.4 -0.5 70 4.9 2.0 220 8 297.4 298.3 285.8 311.4 4.70 8 767 2293 3.2 -3.8 60 7.0 0.1 226 8 298.1 298.8 285.1 309.4 3.76 9 700 3027 -2.5 -6.5 74 4.0 -4.1 250 9 299.7 300.3 285.3 309.9 3.36 10 690 3141 -3.5 -6.2 82 2.7 -4.6 251 10 299.8 300.5 285.5 310.4 3.48 11 682 3233 -4.3 -7.3 80 3.0 -5.5 252 11 299.9 300.5 285.2 309.8 3.24 12 651 3599 -5.9 -14.9 49 9.0 -8.8 256 15 302.2 302.5 284.5 308.0 1.85 13 636 3781 -6.5 -18.5 38 12.0 -10.1 259 17 303.5 303.8 284.5 308.0 1.40 14 627 3892 -6.9 -18.9 38 12.0 -10.4 260 18 304.3 304.5 284.8 308.7 1.37 15 603 4195 -9.7 -17.7 52 8.0 -12.1 263 22 304.5 304.8 285.1 309.5 1.58 16 585 4428 -12.1 -20.1 51 8.0 -14.2 266 24 304.3 304.6 284.8 308.6 1.32 17 574 4574 -11.1 -37.1 10 26.0 -15.6 268 26 307.1 307.2 284.6 308.1 0.28 18 525 5253 -15.7 -27.7 35 12.0 -18.2 276 34 309.5 309.7 286.1 312.1 0.75 19 513 5427 -16.5 -43.5 8 27.0 -20.1 278 36 310.6 310.7 285.8 311.2 0.16 20 500 5620 -17.9 -43.9 8 26.0 -21.2 280 38 311.2 311.2 285.9 311.8 0.16 21 477 5971 -20.5 -43.5 11 23.0 -23.3 280 42 312.2 312.3 286.4 312.8 0.17 22 450 6401 -21.5 -50.5 5 29.0 -24.4 280 48 316.2 316.2 287.6 316.5 0.08 23 400 7260 -27.5 -42.5 23 15.0 -29.2 280 59 319.2 319.3 288.8 320.1 0.23 24 335 8509 -37.5 -50.6 24 13.2 -38.3 285 66 322.2 322.2 289.6 322.6 0.11 25 300 9260 -43.7 -55.7 25 12.0 -44.2 280 61 323.8 323.8 290.0 324.0 0.07 26 267 10032 -49.7 -61.7 23 12.0 -50.0 277 58 326.0 326.0 290.6 326.1 0.04 27 250 10460 -51.9 -65.9 17 14.0 -52.2 275 57 328.9 328.9 291.5 329.0 0.02 28 237 10804 -53.9 -67.9 16 14.0 -54.1 278 55 330.9 331.0 292.0 331.0 0.02 29 208 11633 -58.1 -71.1 17 13.0 -58.3 285 50 337.0 337.0 293.6 337.0 0.01 30 200 11880 -56.7 -72.7 12 16.0 -56.9 280 55 343.0 343.0 295.0 343.0 0.01 31 150 13700 -56.1 -85.1 1 29.0 -56.4 285 52 373.4 373.4 301.2 373.4 0.00 32 145 13916 -54.7 -85.7 1 31.0 -55.1 285 51 379.5 379.5 302.2 379.5 0.00 33 129 14658 -58.9 -88.9 1 30.0 -59.2 287 46 384.9 384.9 303.0 384.9 0.00 34 101 16188 -60.5 -89.5 1 29.0 -60.8 290 36 409.7 409.7 306.5 409.7 0.00 35 100 16250 -60.5 -89.5 1 29.0 -60.8 290 36 410.8 410.8 306.6 410.8 0.00 36 70 18480 -61.1 -90.1 1 29.0 -61.4 255 18 453.7 453.7 311.2 453.7 0.00 37 50 20580 -60.5 -89.5 1 29.0 -61.0 130 11 500.9 500.9 315.0 500.9 0.00 38 44 21372 -61.5 -90.5 1 29.0 -62.0 164 10 517.1 517.1 316.1 517.1 0.00 39 32 23376 -53.9 -84.9 1 31.0 -55.6 248 8 586.8 586.8 320.0 586.8 0.01 40 30 23790 -53.9 -84.9 1 31.0 -55.6 265 7 597.7 597.7 320.5 597.8 0.01 41 20 26390 -53.1 -85.1 1 32.0 -55.8 235 11 673.6 673.6 323.6 673.7 0.01 42 15 28245 -52.9 -84.9 1 32.0 -56.2 732.1 732.1 325.4 732.2 0.02 43 11 30270 -47.7 -80.7 1 33.0 -53.8 818.9 818.9 327.7 819.4 0.05 TRP 208 11633 -58.1 -71.1 17 13.0 -58.3 285 50 337.0 337.0 293.6 337.0 0.01 WND 335 8509 -37.5 -50.6 24 13.2 -38.3 285 66 322.2 322.2 289.6 322.6 0.11 Sounding variables and indices 1000-500 mb thick: 5542.00 m Freezing level: 729.39 mb = 2705.15 m = 8875.07 ft Wetbulb zero: 765.76 mb = 2306.22 m = 7566.26 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 54.23 % Est. max temperature: 22.69 C = 72.84 F Sfc-Lift cond lev (LCL): 853.52 mb = 1416.63 m = 4647.68 ft T: 9.27 C 700-500 lapse rate: 5.94 C/km ThetaE index: 7.36 C Layer 1000.0- 863.0 mb Conv cond level (CCL): 822.20 mb = 1724.23 m = 5656.85 ft Mean mixing ratio: 7.71 g/kg Conv temperature: 23.55 C = 74.39 F Cap Strength: 1.79 C Lifted Index: 0.89 C Risk: Showers probable Lifted Index @300 mb: 6.03 C Lifted Index @700 mb: -1.11 C Showalter Index: 1.59 C Risk: Showers probable Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 23.10 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 134.40 Risk: None Energy Index: -0.55 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.11 J/kg Max Up Vert Vel: 12.01 m/s Conv Inhibition (B-): 58.94 J/kg Cap Strength: 2.03 C Lift Cond Lev (LCL): 856.05 mb = 1392.08 m = 4567.14 ft Lev Free Conv (LFC): 741.05 mb = 2569.49 m = 8430.00 ft Equ Level (EL): 571.05 mb = 4613.06 m = 15134.53 ft B at Equ Level: 71.96 J/kg Max Parcel Lev (MPL): 451.05 mb = 6384.17 m = 20945.17 ft Wind level data Storm motion: 293 at 13 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 1004 15 190 5 0.9 4.9 | 133 15 -10.9 10.0 1 1000 78 185 10 0.9 10.0 | 144 19 -10.9 15.0 2 925 743 170 7 -1.2 6.9 | 133 18 -13.0 12.0 3 850 1451 200 7 2.4 6.6 | 141 15 -9.4 11.7 4 700 3027 250 9 8.5 3.1 | 158 9 -3.3 8.2 5 500 5620 280 38 37.4 -6.6 | 273 26 25.7 -1.5 6 400 7260 280 59 58.1 -10.2 | 276 47 46.3 -5.2 7 335 8509 285 66 63.8 -17.1 | 283 53 52.0 -12.0 8 300 9260 280 61 60.1 -10.6 | 277 49 48.3 -5.5 9 250 10460 275 57 56.8 -5.0 | 270 45 45.0 0.1 10 208 11633 285 50 48.3 -12.9 | 282 37 36.5 -7.9 11 200 11880 280 55 54.2 -9.6 | 276 43 42.4 -4.5 12 150 13700 285 52 50.2 -13.5 | 282 39 38.5 -8.4 13 100 16250 290 36 33.8 -12.3 | 288 23 22.1 -7.2 14 70 18480 255 18 17.4 4.7 | 210 11 5.6 9.7 15 50 20580 130 11 -8.4 7.1 | 121 24 -20.2 12.1 16 30 23790 265 7 7.0 0.6 | 140 7 -4.8 5.7 17 20 26390 235 11 9.0 6.3 | 166 12 -2.7 11.4 Wind Parameters Mean winds (0-6000m): 263.4 at 17.1 knts Storm direction: 293.4 at 12.8 knts Shear (0-3000m) pos: 1.8 neg: 0.6 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 25.3 deg Storm rel helicity (0-3000m) pos: 35.8 neg: -15.7 tot: 20.1 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 1.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.65 Bulk Shear: 43.72 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 ------------------------------------------------------------------------------- 500 181 9 140 18| 0.0 3.5 3.5| 13.7 -10.8 2.8 5.7 0.13| 7.4 0.9 1000 178 8 138 18| 0.7 1.8 2.5| 17.8 -15.7 2.2 2.2 0.08| 5.0 0.4 1500 183 8 138 17| 1.2 1.2 2.4| 24.5 -15.7 8.8 5.8 0.20| 4.2 0.8 2000 189 8 140 16| 1.5 0.9 2.4| 29.8 -15.7 14.1 7.1 0.27| 3.7 1.0 2500 197 8 143 16| 1.7 0.7 2.4| 33.6 -15.7 17.9 7.2 0.30| 3.4 1.0 3000 206 8 146 15| 1.8 0.6 2.4| 35.8 -15.7 20.1 6.7 0.30| 3.3 1.0 4000 227 9 157 13| 2.7 0.4 3.2| 62.5 -15.7 46.8 11.7 0.55| 3.9 2.1 5000 248 13 181 10| 3.4 0.4 3.8| 99.0 -15.7 83.3 16.7 0.60| 4.4 2.6 6000 263 17 216 9| 3.9 0.3 4.2|134.8 -15.7 119.1 19.8 0.56| 4.8 2.7 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20250426.12.gif