UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:1200Z 24 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 50 SFC 940 595 19.6 7.6 46 12.0 12.6 50 3 298.0 299.2 288.2 318.5 6.98 2 925 722 17.4 7.4 52 10.0 11.6 60 9 297.1 298.4 287.9 317.6 6.99 3 850 1435 10.2 5.9 75 4.3 7.8 80 9 296.8 298.1 287.7 316.9 6.86 4 834 1593 8.6 5.5 81 3.1 6.9 82 9 296.8 298.0 287.6 316.7 6.80 5 791 2028 4.6 4.5 99 0.1 4.5 88 11 297.0 298.2 287.6 316.6 6.69 6 781 2132 4.6 -0.0 72 4.6 2.4 90 11 298.1 299.0 286.3 312.7 4.90 7 700 3015 -1.7 -4.5 81 2.8 -2.9 55 5 300.6 301.3 286.2 312.4 3.91 8 689 3141 -2.7 -4.6 87 1.9 -3.6 54 5 300.9 301.6 286.3 312.8 3.94 9 674 3315 -3.7 -5.1 90 1.4 -4.3 52 5 301.6 302.3 286.5 313.4 3.88 10 597 4263 -10.3 -12.0 87 1.7 -10.9 40 3 304.6 305.1 286.2 312.6 2.55 11 584 4432 -11.1 -13.7 81 2.6 -12.0 43 3 305.6 306.0 286.3 312.8 2.27 12 580 4485 -10.7 -17.7 56 7.0 -12.8 44 3 306.7 307.0 286.0 312.0 1.64 13 514 5403 -17.5 -20.3 79 2.8 -18.2 61 3 309.3 309.5 286.8 314.1 1.48 14 500 5610 -18.7 -26.7 49 8.0 -20.4 65 3 310.2 310.4 286.4 313.1 0.86 15 492 5730 -19.3 -28.3 45 9.0 -21.1 65 3 310.9 311.1 286.6 313.5 0.75 16 453 6337 -24.3 -31.3 52 7.0 -25.4 63 5 312.1 312.2 286.8 314.2 0.62 17 442 6516 -25.9 -29.2 74 3.3 -26.5 62 5 312.3 312.4 287.1 314.9 0.77 18 400 7230 -31.7 -38.7 50 7.0 -32.4 60 7 313.8 313.9 287.1 315.0 0.34 19 333 8496 -42.5 -54.5 26 12.0 -43.0 60 9 315.9 315.9 287.5 316.2 0.07 20 307 9038 -47.5 -52.4 57 4.9 -47.7 62 11 316.3 316.3 287.6 316.7 0.10 21 303 9125 -48.3 -54.3 50 6.0 -48.5 56 11 316.4 316.4 287.6 316.7 0.08 22 300 9190 -48.7 -55.7 44 7.0 -48.9 65 11 316.7 316.7 287.8 317.0 0.07 23 271 9848 -53.7 -62.7 32 9.0 -53.9 50 11 318.8 318.8 288.4 318.9 0.03 24 250 10360 -57.3 -65.3 36 8.0 -57.4 55 7 320.9 320.9 289.0 321.0 0.02 25 222 11103 -61.5 -66.5 51 5.0 -61.6 45 5 325.5 325.5 290.5 325.6 0.02 26 215 11303 -59.1 -74.1 13 15.0 -59.2 13 4 332.2 332.2 292.3 332.3 0.01 27 206 11572 -56.5 -78.5 5 22.0 -56.7 330 4 340.4 340.4 294.4 340.4 0.00 28 204 11634 -55.7 -77.7 5 22.0 -55.9 320 3 342.6 342.6 295.0 342.6 0.00 29 200 11760 -55.7 -77.7 5 22.0 -55.9 300 3 344.6 344.6 295.4 344.6 0.00 30 183 12328 -53.9 -83.9 1 30.0 -54.2 295 6 356.4 356.4 298.0 356.4 0.00 31 150 13610 -52.3 -85.3 1 33.0 -52.8 325 7 380.0 380.0 302.2 380.0 0.00 32 121 15001 -50.5 -86.5 1 36.0 -51.2 232 10 407.3 407.3 306.2 407.3 0.00 33 100 16230 -54.5 -88.5 1 34.0 -55.1 235 9 422.4 422.4 308.0 422.4 0.00 34 70 18500 -56.9 -89.9 1 33.0 -57.5 255 15 462.7 462.7 312.0 462.7 0.00 35 50 20610 -59.7 -90.7 1 31.0 -60.3 35 5 502.8 502.8 315.1 502.8 0.00 TRP 222 11103 -61.5 -66.5 51 5.0 -61.6 45 5 325.5 325.5 290.5 325.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5560.00 m Freezing level: 721.86 mb = 2776.66 m = 9109.66 ft Wetbulb zero: 744.70 mb = 2515.70 m = 8253.49 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 76.25 % Est. max temperature: 18.76 C = 65.77 F Sfc-Lift cond lev (LCL): 786.14 mb = 2078.16 m = 6818.04 ft T: 4.60 C 700-500 lapse rate: 6.55 C/km ThetaE index: 6.02 C Layer 925.0- 689.0 mb Conv cond level (CCL): 796.04 mb = 1975.70 m = 6481.89 ft Mean mixing ratio: 6.93 g/kg Conv temperature: 18.63 C = 65.53 F Cap Strength: 0.36 C Lifted Index: -0.79 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.03 C Lifted Index @700 mb: -0.96 C Showalter Index: -0.56 C Risk: Thunderstorms probable Total Totals Index: 53.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.90 C Cross Totals Index: 24.60 C K Index: 32.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 181.80 Risk: None Energy Index: -0.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 221.38 J/kg Max Up Vert Vel: 21.04 m/s Conv Inhibition (B-): 3.46 J/kg Cap Strength: 0.93 C Lift Cond Lev (LCL): 795.61 mb = 1980.16 m = 6496.50 ft Lev Free Conv (LFC): 750.61 mb = 2451.91 m = 8044.23 ft Equ Level (EL): 290.61 mb = 9395.85 m = 30825.91 ft B at Equ Level: 217.53 J/kg Max Parcel Lev (MPL): 220.61 mb = 11142.13 m = 36555.10 ft Wind level data Storm motion: 100 at 4 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 ---------------------------------------------------------- 0 940 595 50 3 -2.3 -1.9 | 326 3 1.8 -2.6 1 925 722 60 9 -7.8 -4.5 | 35 6 -3.7 -5.2 2 904 914 80 7 -6.9 -1.2 | 56 3 -2.8 -1.9 3 850 1435 80 9 -8.9 -1.6 | 65 5 -4.8 -2.3 4 780 2134 90 11 -11.0 0.0 | 84 7 -6.9 -0.7 5 700 3015 55 5 -4.1 -2.9 | 360 4 0.0 -3.6 6 595 4267 40 3 -1.9 -2.3 | 324 4 2.2 -3.0 7 500 5610 65 3 -2.7 -1.3 | 325 2 1.4 -2.0 8 400 7230 60 7 -6.1 -3.5 | 25 5 -2.0 -4.2 9 361 7925 55 11 -9.0 -6.3 | 35 9 -4.9 -7.0 10 330 8534 60 9 -7.8 -4.5 | 35 6 -3.7 -5.2 11 316 8839 75 11 -10.6 -2.8 | 61 7 -6.5 -3.5 12 302 9144 55 11 -9.0 -6.3 | 35 9 -4.9 -7.0 13 300 9190 65 11 -10.0 -4.6 | 48 8 -5.9 -5.3 14 288 9449 70 13 -12.2 -4.4 | 58 10 -8.1 -5.1 15 275 9754 60 11 -9.5 -5.5 | 41 8 -5.4 -6.2 16 262 10058 25 11 -4.6 -10.0 | 3 11 -0.6 -10.7 17 250 10360 55 7 -5.7 -4.0 | 19 5 -1.6 -4.7 18 238 10668 40 11 -7.1 -8.4 | 18 10 -3.0 -9.1 19 227 10973 65 9 -8.2 -3.8 | 42 6 -4.1 -4.5 20 222 11103 45 5 -3.5 -3.5 | 352 4 0.6 -4.2 21 200 11760 300 3 2.6 -1.5 | 288 7 6.7 -2.2 22 170 12802 290 9 8.5 -3.1 | 287 13 12.6 -3.8 23 162 13106 300 9 7.8 -4.5 | 294 13 11.9 -5.2 24 150 13610 325 7 4.0 -5.7 | 308 10 8.1 -6.4 25 128 14630 240 9 7.8 4.5 | 252 12 11.9 3.8 26 122 14935 225 9 6.4 6.4 | 242 12 10.5 5.7 27 111 15545 290 15 14.1 -5.1 | 288 19 18.2 -5.8 28 106 15850 325 17 9.8 -13.9 | 317 20 13.8 -14.6 29 101 16154 325 9 5.2 -7.4 | 311 12 9.3 -8.1 30 100 16230 235 9 7.4 5.2 | 249 12 11.5 4.5 31 96 16459 235 9 7.4 5.2 | 249 12 11.5 4.5 32 80 17678 255 19 18.4 4.9 | 259 23 22.4 4.2 33 76 17983 280 13 12.8 -2.3 | 280 17 16.9 -3.0 34 72 18288 215 13 7.5 10.6 | 229 15 11.6 10.0 35 70 18500 255 15 14.5 3.9 | 260 19 18.6 3.2 36 69 18593 235 21 17.2 12.0 | 242 24 21.3 11.3 37 66 18898 265 15 14.9 1.3 | 268 19 19.0 0.6 38 60 19507 355 15 1.3 -14.9 | 341 17 5.4 -15.6 39 57 19812 0 0 -0.0 -0.0 | 280 4 4.1 -0.7 40 54 20117 255 9 8.7 2.3 | 263 13 12.8 1.6 41 52 20422 260 9 8.9 1.6 | 266 13 13.0 0.9 42 50 20610 35 5 -2.9 -4.1 | 346 5 1.2 -4.8 43 37 21946 225 11 7.8 7.8 | 239 14 11.9 7.1 44 34 22250 270 9 9.0 -0.0 | 273 13 13.1 -0.7 45 28 23165 265 7 7.0 0.6 | 270 11 11.1 -0.1 Wind Parameters Mean winds (0-6000m): 69.7 at 5.5 knts Storm direction: 99.7 at 4.2 knts Shear (0-3000m) pos: 1.5 neg: 1.4 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 17.1 deg Storm rel helicity (0-3000m) pos: 10.9 neg: -9.8 tot: 1.2 m^2/s^2 ave: 0.4 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 0.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 582.94 Bulk Shear: 0.38 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 70 7 41 4| 5.5 0.0 5.5| 7.3 0.0 7.3 14.7 0.81| 9.2 7.5 1000 76 8 54 4| 3.7 0.0 3.7| 8.5 0.0 8.5 8.5 0.75| 5.6 4.2 1500 80 9 64 5| 3.0 0.0 3.0| 10.9 0.0 10.9 7.3 0.76| 4.4 3.3 2000 81 9 66 5| 2.3 1.1 3.3| 10.9 -5.3 5.6 2.8 0.36| 4.4 1.6 2500 80 8 62 5| 1.8 1.5 3.3| 10.9 -8.9 2.0 0.8 0.13| 4.2 0.5 3000 77 8 54 4| 1.5 1.4 2.9| 10.9 -9.8 1.2 0.4 0.08| 3.7 0.3 4000 73 7 39 3| 1.1 1.2 2.3| 11.0 -10.9 0.1 0.0 0.03| 2.9 0.1 5000 71 6 28 3| 1.0 0.9 1.9| 11.0 -10.9 0.1 0.0 0.03| 2.5 0.1 6000 70 6 23 3| 0.8 0.6 1.5| 12.5 -10.9 1.6 0.3 0.11| 2.3 0.2 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250424.12.gif