UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:1200Z 19 APR 25 Station: LBSF WMO ident: 15614 Latitude: 42.65 Longitude: 23.38 Elevation: 595.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 104 SFC 945 595 16.2 8.2 59 8.0 11.6 290 3 294.1 295.4 287.1 314.9 7.23 2 925 768 13.6 6.6 63 7.0 9.7 325 3 293.2 294.4 286.1 312.3 6.62 3 852 1451 6.6 5.5 93 1.1 6.0 305 9 292.9 294.1 286.1 312.0 6.66 4 850 1470 6.4 5.4 93 1.0 5.9 305 9 292.9 294.0 286.0 311.9 6.63 5 714 2877 -3.3 -3.6 98 0.3 -3.4 339 10 297.1 297.9 285.1 309.4 4.10 6 710 2922 -1.7 -6.7 69 5.0 -3.8 339 10 299.4 300.0 285.1 309.3 3.26 7 700 3035 -2.3 -8.3 63 6.0 -4.7 340 9 299.9 300.5 284.9 308.9 2.92 8 656 3547 -6.3 -9.5 78 3.2 -7.5 339 9 301.0 301.6 285.2 309.8 2.83 9 621 3975 -7.9 -14.9 57 7.0 -10.2 340 10 304.0 304.3 285.4 310.1 1.94 10 532 5157 -17.5 -21.5 71 4.0 -18.5 345 10 306.2 306.5 285.5 310.4 1.29 11 507 5517 -19.3 -36.3 21 17.0 -21.8 6 8 308.3 308.3 285.1 309.5 0.34 12 500 5620 -19.9 -30.9 37 11.0 -21.8 350 5 308.8 308.9 285.6 310.8 0.58 13 479 5936 -22.5 -27.5 64 5.0 -23.4 340 4 309.4 309.5 286.1 312.2 0.83 14 451 6374 -25.5 -45.5 14 20.0 -27.5 326 3 311.0 311.0 285.9 311.5 0.15 15 420 6885 -29.9 -40.9 34 11.0 -31.0 305 8 311.7 311.8 286.3 312.7 0.25 16 405 7143 -32.1 -45.1 26 13.0 -33.1 294 14 312.2 312.2 286.3 312.8 0.17 17 400 7230 -32.7 -47.7 21 15.0 -33.8 290 17 312.5 312.5 286.4 313.0 0.13 18 361 7947 -36.7 -59.7 7 23.0 -37.7 310 34 316.4 316.4 287.6 316.6 0.03 19 336 8444 -37.3 -65.3 4 28.0 -38.4 310 70 322.2 322.2 289.5 322.3 0.02 20 334 8485 -37.5 -65.5 4 27.9 -38.5 310 73 322.4 322.4 289.5 322.5 0.02 21 300 9220 -41.5 -68.5 4 27.0 -42.3 310 64 326.9 326.9 290.8 326.9 0.01 22 284 9591 -42.9 -69.9 4 27.0 -43.6 308 64 330.0 330.0 291.7 330.1 0.01 23 250 10440 -48.7 -69.7 7 21.0 -49.1 305 64 333.7 333.7 292.7 333.7 0.01 24 244 10599 -49.7 -71.7 6 22.0 -50.1 300 58 334.5 334.5 292.9 334.5 0.01 25 204 11770 -47.7 -77.7 2 30.0 -48.3 294 42 355.2 355.2 297.7 355.2 0.00 26 200 11900 -48.3 -79.3 2 31.0 -48.9 295 42 356.3 356.3 298.0 356.3 0.00 27 167 13087 -48.5 -82.5 1 34.0 -49.2 284 42 374.8 374.8 301.4 374.8 0.00 28 150 13790 -50.9 -83.9 1 33.0 -51.5 290 40 382.4 382.4 302.6 382.4 0.00 29 109 15823 -60.1 -87.1 2 27.0 -60.4 279 28 401.6 401.6 305.4 401.6 0.00 30 100 16360 -60.1 -88.1 1 28.0 -60.4 285 25 411.6 411.6 306.7 411.6 0.00 31 70 18580 -60.5 -88.5 1 28.0 -60.9 225 5 455.0 455.0 311.3 455.0 0.00 32 50 20660 -61.1 -89.1 1 28.0 -61.6 45 1 499.5 499.5 314.9 499.5 0.00 33 30 23860 -56.3 -88.3 1 32.0 -57.7 125 19 591.2 591.2 320.2 591.2 0.01 TRP 244 10599 -49.7 -71.7 6 22.0 -50.1 300 58 334.5 334.5 292.9 334.5 0.01 WND 334 8485 -37.5 -65.5 4 27.9 -38.5 310 73 322.4 322.4 289.5 322.5 0.02 Sounding variables and indices 1000-500 mb thick: 5516.00 m Freezing level: 760.27 mb = 2398.56 m = 7869.19 ft Wetbulb zero: 764.18 mb = 2329.14 m = 7641.44 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 73.47 % Est. max temperature: 16.66 C = 61.98 F Sfc-Lift cond lev (LCL): 838.26 mb = 1582.27 m = 5191.12 ft T: 5.63 C 700-500 lapse rate: 6.81 C/km ThetaE index: 6.09 C Layer 925.0- 656.0 mb Conv cond level (CCL): 832.20 mb = 1640.80 m = 5383.12 ft Mean mixing ratio: 6.69 g/kg Conv temperature: 15.53 C = 59.95 F Cap Strength: 1.05 C Lifted Index: 0.88 C Risk: Showers probable Lifted Index @300 mb: 10.51 C Lifted Index @700 mb: 0.67 C Showalter Index: 1.20 C Risk: Showers probable Total Totals Index: 51.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 25.30 C K Index: 25.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 139.80 Risk: None Energy Index: -0.26 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.78 J/kg Max Up Vert Vel: 8.22 m/s Conv Inhibition (B-): 3.15 J/kg Cap Strength: 0.96 C Lift Cond Lev (LCL): 835.16 mb = 1612.17 m = 5289.20 ft Lev Free Conv (LFC): 820.16 mb = 1758.46 m = 5769.16 ft Equ Level (EL): 700.16 mb = 3033.18 m = 9951.26 ft B at Equ Level: 30.30 J/kg Max Parcel Lev (MPL): 500.16 mb = 5617.62 m = 18430.29 ft Wind level data Storm motion: 2 at 6 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 ---------------------------------------------------------- 0 945 595 290 3 2.8 -1.0 | 210 6 3.1 5.3 1 943 610 345 1 0.3 -1.0 | 186 5 0.5 5.4 2 925 768 325 3 1.7 -2.5 | 207 4 2.0 3.9 3 909 914 310 5 3.8 -3.2 | 233 5 4.1 3.1 4 850 1470 305 9 7.4 -5.2 | 261 8 7.6 1.2 5 844 1524 305 11 9.0 -6.3 | 270 9 9.3 0.0 6 813 1829 335 9 3.8 -8.2 | 294 4 4.1 -1.8 7 783 2134 335 13 5.5 -11.8 | 313 8 5.8 -5.4 8 700 3035 340 9 3.1 -8.5 | 302 4 3.3 -2.1 9 672 3353 330 9 4.5 -7.8 | 287 5 4.8 -1.5 10 646 3658 345 9 2.3 -8.7 | 312 4 2.6 -2.4 11 596 4267 335 11 4.6 -10.0 | 306 6 4.9 -3.6 12 573 4572 310 11 8.4 -7.1 | 275 9 8.7 -0.7 13 551 4877 325 11 6.3 -9.0 | 292 7 6.6 -2.7 14 509 5486 10 9 -1.6 -8.9 | 27 3 -1.3 -2.5 15 500 5620 350 5 0.9 -4.9 | 219 2 1.1 1.4 16 449 6401 325 3 1.7 -2.5 | 207 4 2.0 3.9 17 412 7010 300 9 7.8 -4.5 | 257 8 8.1 1.8 18 400 7230 290 17 16.0 -5.8 | 268 16 16.2 0.5 19 395 7315 285 13 12.6 -3.4 | 257 13 12.8 3.0 20 362 7925 310 33 25.3 -21.2 | 300 30 25.5 -14.9 21 334 8485 310 73 55.9 -46.9 | 306 69 56.2 -40.6 22 332 8534 310 73 55.9 -46.9 | 306 69 56.2 -40.6 23 300 9220 310 64 49.0 -41.1 | 305 60 49.3 -34.8 24 250 10440 305 64 52.4 -36.7 | 300 61 52.7 -30.4 25 244 10599 300 58 50.2 -29.0 | 294 55 50.5 -22.7 26 241 10668 305 64 52.4 -36.7 | 300 61 52.7 -30.4 27 220 11278 290 40 37.6 -13.7 | 281 39 37.8 -7.3 28 200 11900 295 42 38.1 -17.7 | 287 40 38.3 -11.4 29 183 12497 290 35 32.9 -12.0 | 280 34 33.2 -5.6 30 159 13411 280 46 45.3 -8.0 | 272 46 45.6 -1.7 31 150 13790 290 40 37.6 -13.7 | 281 39 37.8 -7.3 32 145 14021 290 42 39.5 -14.4 | 281 41 39.7 -8.0 33 119 15240 265 36 35.9 3.1 | 255 37 36.1 9.5 34 108 15850 280 27 26.6 -4.7 | 266 27 26.9 1.6 35 103 16154 270 23 23.0 -0.0 | 255 24 23.3 6.3 36 100 16360 285 25 24.1 -6.5 | 270 24 24.4 -0.1 37 94 16764 295 31 28.1 -13.1 | 283 29 28.4 -6.8 38 85 17374 275 23 22.9 -2.0 | 259 24 23.2 4.3 39 81 17678 300 9 7.8 -4.5 | 257 8 8.1 1.8 40 70 18580 225 5 3.5 3.5 | 201 11 3.8 9.9 41 63 19202 260 13 12.8 2.3 | 237 16 13.1 8.6 42 52 20422 350 9 1.6 -8.9 | 324 3 1.8 -2.5 43 50 20660 45 1 -0.7 -0.7 | 175 6 -0.4 5.6 44 49 20726 30 9 -4.5 -7.8 | 71 4 -4.2 -1.5 45 47 21031 15 9 -2.3 -8.7 | 41 3 -2.1 -2.4 46 45 21336 75 9 -8.7 -2.3 | 115 9 -8.4 4.0 47 43 21641 80 11 -10.8 -1.9 | 113 11 -10.6 4.4 48 39 22250 45 9 -6.4 -6.4 | 90 6 -6.1 -0.0 49 37 22555 80 17 -16.7 -3.0 | 102 17 -16.5 3.4 50 35 22860 95 15 -14.9 1.3 | 118 17 -14.7 7.6 51 34 23165 90 19 -19.0 0.0 | 109 20 -18.7 6.3 52 30 23774 120 19 -16.5 9.5 | 134 23 -16.2 15.8 53 30 23860 125 19 -15.6 10.9 | 138 23 -15.3 17.2 54 28 24079 110 21 -19.7 7.2 | 125 24 -19.5 13.5 55 26 24384 125 19 -15.6 10.9 | 138 23 -15.3 17.2 56 24 24689 145 15 -8.6 12.3 | 156 20 -8.3 18.6 57 22 24994 90 13 -13.0 0.0 | 116 14 -12.7 6.3 58 19 25603 90 19 -19.0 0.0 | 109 20 -18.7 6.3 Wind Parameters Mean winds (0-6000m): 332.4 at 8.5 knts Storm direction: 2.4 at 6.3 knts Shear (0-3000m) pos: 1.3 neg: 0.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 95.9 deg Storm rel helicity (0-3000m) pos: 20.7 neg: -4.5 tot: 16.2 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.55 Bulk Shear: 3.20 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 ------------------------------------------------------------------------------- 500 314 4 220 5| 3.7 0.0 3.7| 5.3 -2.0 3.3 6.6 0.41| 6.9 2.8 1000 309 6 244 6| 4.0 0.0 4.0| 12.8 -2.0 10.8 10.8 0.56| 6.0 3.4 1500 318 8 262 5| 3.6 0.0 3.6| 19.0 -2.0 17.0 11.4 0.56| 6.5 3.6 2000 324 9 278 5| 2.4 0.0 2.4| 19.3 -2.6 16.8 8.4 0.49| 5.4 2.7 2500 328 9 283 5| 1.5 0.0 1.5| 19.3 -3.7 15.7 6.3 0.41| 4.7 1.9 3000 329 9 285 5| 1.3 0.0 1.3| 20.7 -4.5 16.2 5.4 0.39| 4.4 1.7 4000 330 9 289 5| 1.0 0.7 1.7| 21.1 -12.5 8.6 2.1 0.18| 4.3 0.8 5000 332 9 293 5| 1.0 0.6 1.6| 33.0 -12.9 20.1 4.0 0.20| 5.0 1.0 6000 332 8 285 4| 0.8 0.8 1.6| 35.3 -13.7 21.6 3.6 0.20| 4.6 0.9 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250419.12.gif