UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 23 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 1005 15 23.0 8.0 38 15.0 14.2 270 7 295.7 296.9 287.2 315.3 6.70 1 1000 90 21.6 7.6 40 14.0 13.5 235 6 294.8 295.9 286.6 313.8 6.55 2 976 300 19.8 6.8 43 13.0 12.4 286 6 295.0 296.1 286.6 313.5 6.35 3 925 760 17.0 6.0 48 11.0 10.8 40 7 296.7 297.8 287.2 315.3 6.34 4 910 899 15.6 5.6 51 10.0 10.0 38 7 296.6 297.8 287.1 315.0 6.27 5 850 1472 10.4 3.4 62 7.0 6.7 30 9 297.0 298.1 286.7 314.0 5.75 6 794 2035 5.4 2.2 80 3.2 3.8 9 9 297.5 298.6 286.8 314.2 5.65 7 788 2097 5.6 2.3 79 3.3 3.9 7 9 298.4 299.4 287.2 315.4 5.74 8 716 2874 0.6 -2.6 79 3.2 -0.9 337 8 301.2 302.0 286.9 314.5 4.41 9 700 3056 0.0 -4.1 74 4.1 -1.9 330 8 302.5 303.2 287.0 314.8 4.03 10 688 3195 0.0 -6.0 64 6.0 -2.6 327 8 304.0 304.6 287.1 314.9 3.55 11 654 3599 -3.3 -8.1 69 4.8 -5.3 318 9 304.7 305.3 286.9 314.6 3.17 12 626 3943 -5.9 -10.4 70 4.5 -7.6 310 10 305.6 306.1 286.8 314.2 2.77 13 606 4197 -7.7 -14.7 57 7.0 -10.1 304 11 306.3 306.7 286.3 312.8 2.02 14 563 4767 -10.7 -31.7 16 21.0 -15.0 291 12 309.3 309.4 285.7 311.0 0.48 15 547 4989 -12.5 -26.5 30 14.0 -15.7 286 12 309.7 309.9 286.2 312.4 0.80 16 532 5201 -13.5 -34.5 15 21.0 -17.3 281 13 311.0 311.1 286.2 312.4 0.39 17 500 5670 -17.3 -38.3 14 21.0 -20.5 270 14 311.9 312.0 286.4 313.0 0.28 18 463 6238 -21.9 -39.9 18 18.0 -24.2 263 17 313.1 313.2 286.8 314.1 0.26 19 448 6478 -24.1 -33.1 43 9.0 -25.5 260 18 313.3 313.4 287.1 315.2 0.52 20 435 6691 -25.7 -39.7 26 14.0 -27.4 258 19 314.0 314.0 287.1 315.0 0.28 21 419 6960 -27.5 -32.5 62 5.0 -28.2 254 20 315.0 315.2 287.8 317.1 0.59 22 400 7290 -30.3 -35.3 62 5.0 -30.9 250 22 315.6 315.7 287.9 317.3 0.47 23 383 7598 -33.1 -35.6 78 2.5 -33.4 244 22 315.9 316.0 287.9 317.6 0.48 24 370 7841 -34.9 -42.9 44 8.0 -35.6 239 23 316.6 316.7 287.9 317.5 0.23 25 305 9160 -46.3 -48.6 77 2.3 -46.4 212 25 318.6 318.6 288.5 319.2 0.15 26 300 9270 -46.9 -51.7 58 4.8 -47.1 210 25 319.3 319.3 288.6 319.7 0.11 27 289 9516 -49.1 -60.1 27 11.0 -49.4 218 30 319.5 319.5 288.6 319.7 0.04 28 282 9676 -49.3 -63.3 18 14.0 -49.6 224 33 321.5 321.5 289.2 321.6 0.03 29 250 10460 -51.5 -68.5 11 17.0 -51.8 250 48 329.5 329.5 291.6 329.6 0.02 30 247 10539 -51.9 -68.9 11 17.0 -52.2 250 48 330.0 330.0 291.7 330.1 0.01 31 237 10807 -51.9 -69.9 10 18.0 -52.2 252 51 334.0 334.0 292.8 334.0 0.01 32 200 11910 -51.7 -76.7 3 25.0 -52.1 260 65 350.9 350.9 296.8 350.9 0.01 33 168 13041 -50.3 -79.5 2 29.2 -50.8 255 71 371.2 371.2 300.8 371.2 0.00 34 156 13524 -49.7 -80.7 1 31.0 -50.3 262 64 380.1 380.1 302.3 380.2 0.00 35 150 13780 -50.5 -82.5 1 32.0 -51.1 265 60 383.1 383.1 302.8 383.1 0.00 36 123 15063 -53.3 -85.3 1 32.0 -53.8 258 49 400.3 400.3 305.2 400.3 0.00 37 101 16308 -60.9 -89.9 1 29.0 -61.2 250 39 408.9 408.9 306.4 408.9 0.00 38 100 16370 -61.1 -90.1 1 29.0 -61.4 250 38 409.7 409.7 306.5 409.7 0.00 39 86 17299 -64.1 -92.1 1 28.0 -64.3 250 30 421.7 421.7 307.9 421.7 0.00 40 75 18143 -61.1 -90.1 1 29.0 -61.4 250 23 444.8 444.8 310.4 444.8 0.00 41 70 18570 -62.3 -91.3 1 29.0 -62.6 250 20 451.1 451.1 311.0 451.1 0.00 42 56 19942 -63.5 -91.5 1 28.0 -63.8 207 13 478.1 478.1 313.3 478.1 0.00 43 50 20640 -61.9 -90.9 1 29.0 -62.4 185 10 497.6 497.6 314.8 497.6 0.00 44 36 22699 -56.1 -87.1 1 31.0 -57.3 256 5 561.6 561.6 318.7 561.7 0.01 45 30 23860 -54.9 -85.9 1 31.0 -56.5 295 3 595.0 595.0 320.4 595.0 0.01 46 25 25030 -55.1 -86.1 1 31.0 -56.9 295 11 626.2 626.2 321.7 626.3 0.01 47 20 26470 -52.1 -84.1 1 32.0 -55.0 295 21 676.7 676.7 323.7 676.8 0.02 48 12 29812 -47.5 -80.5 1 33.0 -53.4 799.4 799.5 327.3 799.9 0.05 TRP 247 10539 -51.9 -68.9 11 17.0 -52.2 250 48 330.0 330.0 291.7 330.1 0.01 WND 168 13041 -50.3 -79.5 2 29.2 -50.8 255 71 371.2 371.2 300.8 371.2 0.00 Sounding variables and indices 1000-500 mb thick: 5580.00 m Freezing level: 688.00 mb = 3194.64 m = 10480.99 ft Wetbulb zero: 729.75 mb = 2720.09 m = 8924.07 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 53.96 % Est. max temperature: 24.28 C = 75.71 F Sfc-Lift cond lev (LCL): 804.93 mb = 1921.85 m = 6305.21 ft T: 6.40 C 700-500 lapse rate: 6.62 C/km ThetaE index: 1.78 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 750.88 mb = 2488.53 m = 8164.38 ft Mean mixing ratio: 6.38 g/kg Conv temperature: 27.10 C = 80.77 F Cap Strength: 2.85 C Lifted Index: 2.31 C Risk: None Lifted Index @300 mb: 3.76 C Lifted Index @700 mb: 2.03 C Showalter Index: 2.54 C Risk: Showers probable Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 20.70 C K Index: 27.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 72.80 Risk: None Energy Index: -0.14 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.50 J/kg Max Up Vert Vel: 3.87 m/s Conv Inhibition (B-): 50604.55 J/kg Cap Strength: 2.82 C Lift Cond Lev (LCL): 795.83 mb = 2015.84 m = 6613.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 344 at 7 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 1005 15 270 7 7.0 -0.0 | 216 9 5.0 7.0 1 1000 90 235 6 4.9 3.4 | 196 11 2.9 10.5 2 925 760 40 7 -4.5 -5.4 | 104 7 -6.5 1.7 3 850 1472 30 9 -4.5 -7.8 | 83 7 -6.5 -0.8 4 700 3056 330 8 4.0 -6.9 | 267 2 2.0 0.1 5 500 5670 270 14 14.0 -0.0 | 240 14 12.0 7.0 6 400 7290 250 22 20.7 7.5 | 232 24 18.7 14.5 7 300 9270 210 25 12.5 21.7 | 200 31 10.5 28.7 8 250 10460 250 48 45.1 16.4 | 241 49 43.1 23.4 9 247 10539 250 48 45.1 16.4 | 241 49 43.1 23.4 10 200 11910 260 65 64.0 11.3 | 254 65 62.0 18.3 11 168 13041 255 71 68.6 18.4 | 249 71 66.6 25.4 12 150 13780 265 60 59.8 5.2 | 258 59 57.8 12.2 13 100 16370 250 38 35.7 13.0 | 239 39 33.7 20.0 14 70 18570 250 20 18.8 6.8 | 230 22 16.8 13.9 15 50 20640 185 10 0.9 10.0 | 176 17 -1.1 17.0 16 30 23860 295 3 2.7 -1.3 | 187 6 0.7 5.7 17 20 26470 295 21 19.0 -8.9 | 276 17 17.0 -1.9 Wind Parameters Mean winds (0-6000m): 314.1 at 9.7 knts Storm direction: 344.1 at 7.3 knts Shear (0-3000m) pos: 2.3 neg: 1.4 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 55.8 deg Storm rel helicity (0-3000m) pos: 8.4 neg: -15.6 tot: -7.2 m^2/s^2 ave: -2.4 10^-3 m/s^2 rel: -0.31 Storm rel vorticity (0-3000m) horiz: 5.7 stream: -1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.18 Bulk Shear: 3.44 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 ------------------------------------------------------------------------------- 500 286 6 218 7| 8.0 0.0 8.0| 7.7 -7.4 0.3 0.6 -0.01| 14.7 -0.1 1000 20 7 99 4| 6.8 0.0 6.8| 8.4 -9.1 -0.7 -0.7 -0.14| 11.7 -1.7 1500 28 7 96 5| 4.5 0.6 5.1| 8.4 -12.1 -3.6 -2.4 -0.20| 8.4 -1.7 2000 25 8 90 5| 3.4 1.0 4.4| 8.4 -13.9 -5.5 -2.8 -0.23| 7.1 -1.6 2500 18 8 84 4| 2.7 1.3 4.0| 8.4 -14.9 -6.5 -2.6 -0.26| 6.2 -1.6 3000 11 8 78 4| 2.3 1.4 3.7| 8.4 -15.6 -7.2 -2.4 -0.31| 5.7 -1.8 4000 354 8 46 2| 1.7 1.6 3.3| 8.4 -16.3 -7.8 -2.0 -0.29| 4.8 -1.4 5000 335 9 299 2| 1.4 1.7 3.1| 8.4 -20.9 -12.5 -2.5 -0.30| 4.4 -1.3 6000 314 10 267 5| 1.1 1.8 3.0| 8.4 -28.4 -20.0 -3.3 -0.31| 4.1 -1.3 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20250423.12.gif