UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for LBSF... Searching the city database file for: LBSF ... Date:1200Z 25 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 55 SFC 940 595 21.0 2.0 28 19.0 10.8 20 3 299.4 300.3 286.5 313.5 4.70 2 925 731 19.0 1.0 30 18.0 9.6 110 7 298.7 299.5 286.1 312.0 4.44 3 850 1448 12.0 0.0 44 12.0 5.9 90 7 298.7 299.5 286.1 312.2 4.50 4 714 2872 -1.5 -4.4 81 2.9 -2.8 150 9 299.1 299.8 285.6 310.8 3.86 5 700 3029 -2.9 -5.3 83 2.4 -3.9 150 9 299.3 299.9 285.5 310.4 3.68 6 694 3097 -3.5 -5.6 85 2.1 -4.4 151 9 299.3 300.0 285.4 310.3 3.63 7 629 3867 -9.1 -27.1 22 18.0 -13.1 89 2 301.5 301.6 282.8 303.7 0.66 8 616 4028 -9.9 -21.9 37 12.0 -13.0 87 2 302.4 302.6 283.7 305.9 1.07 9 582 4465 -11.9 -37.9 10 26.0 -16.2 120 6 305.0 305.0 283.7 305.9 0.25 10 547 4937 -14.9 -41.9 8 27.0 -18.7 107 8 306.9 306.9 284.4 307.5 0.18 11 500 5610 -20.7 -43.7 11 23.0 -23.4 105 13 307.8 307.8 284.7 308.4 0.16 12 439 6552 -28.7 -49.7 11 21.0 -30.3 118 16 309.3 309.4 285.2 309.7 0.09 13 424 6799 -30.1 -54.1 8 24.0 -31.6 119 18 310.6 310.7 285.7 310.9 0.06 14 400 7210 -32.9 -54.9 9 22.0 -34.1 105 15 312.2 312.2 286.2 312.4 0.06 15 354 8059 -39.5 -58.5 12 19.0 -40.2 88 15 314.4 314.5 286.9 314.6 0.04 16 347 8195 -40.7 -56.7 16 16.0 -41.3 86 15 314.6 314.6 287.0 314.8 0.05 17 346 8215 -41.1 -49.1 42 8.0 -41.5 86 15 314.3 314.4 287.0 314.8 0.13 18 339 8353 -42.1 -66.1 6 24.0 -42.8 94 14 314.8 314.8 287.1 314.9 0.02 19 327 8596 -44.3 -61.3 13 17.0 -44.8 109 11 315.1 315.1 287.1 315.2 0.03 20 300 9170 -47.9 -65.9 11 18.0 -48.3 200 3 317.8 317.8 288.1 317.9 0.02 21 258 10149 -54.3 -68.3 16 14.0 -54.5 303 9 322.4 322.4 289.5 322.5 0.02 22 250 10350 -55.3 -68.3 18 13.0 -55.5 315 11 323.9 323.9 289.9 323.9 0.02 23 217 11244 -59.3 -72.3 17 13.0 -59.5 10 11 331.0 331.0 292.0 331.1 0.01 24 200 11760 -54.7 -79.7 3 25.0 -55.0 280 9 346.1 346.1 295.8 346.2 0.00 25 197 11857 -54.3 -80.3 3 26.0 -54.6 280 9 348.3 348.3 296.3 348.3 0.00 26 188 12155 -55.7 -81.7 2 26.0 -56.0 290 12 350.7 350.7 296.8 350.7 0.00 27 156 13356 -50.7 -82.7 1 32.0 -51.2 307 20 378.4 378.4 302.0 378.5 0.00 28 150 13610 -52.9 -83.9 1 31.0 -53.4 315 19 378.9 378.9 302.1 378.9 0.00 29 100 16210 -57.3 -86.3 1 29.0 -57.7 275 13 417.0 417.0 307.4 417.0 0.00 30 70 18460 -56.9 -86.9 1 30.0 -57.5 245 13 462.7 462.7 312.0 462.7 0.00 31 50 20580 -58.9 -87.9 1 29.0 -59.6 240 11 504.7 504.7 315.3 504.7 0.00 TRP 217 11244 -59.3 -72.3 17 13.0 -59.5 10 11 331.0 331.0 292.0 331.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5555.00 m Freezing level: 729.11 mb = 2713.46 m = 8902.33 ft Wetbulb zero: 757.50 mb = 2388.70 m = 7836.85 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 40.13 % Est. max temperature: 20.58 C = 69.04 F Sfc-Lift cond lev (LCL): 707.88 mb = 2940.10 m = 9645.89 ft T: -2.11 C 700-500 lapse rate: 6.90 C/km ThetaE index: 8.49 C Layer 714.0- 616.0 mb Conv cond level (CCL): 702.52 mb = 3000.50 m = 9844.03 ft Mean mixing ratio: 4.49 g/kg Conv temperature: 20.85 C = 69.52 F Cap Strength: 0.96 C Lifted Index: 0.26 C Risk: Showers probable Lifted Index @300 mb: 4.29 C Lifted Index @700 mb: 0.19 C Showalter Index: 0.26 C Risk: Thunderstorms probable Total Totals Index: 53.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.70 C Cross Totals Index: 20.70 C K Index: 30.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 115.00 Risk: None Energy Index: -0.74 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.36 J/kg Max Up Vert Vel: 5.72 m/s Conv Inhibition (B-): 9.67 J/kg Cap Strength: 0.97 C Lift Cond Lev (LCL): 707.09 mb = 2948.95 m = 9674.93 ft Lev Free Conv (LFC): 692.09 mb = 3118.76 m = 10232.02 ft Equ Level (EL): 592.09 mb = 4332.77 m = 14214.95 ft B at Equ Level: 14.80 J/kg Max Parcel Lev (MPL): 552.09 mb = 4866.82 m = 15967.06 ft Wind level data Storm motion: 147 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 ---------------------------------------------------------- 0 940 595 20 3 -1.0 -2.8 | 343 9 2.6 -8.3 1 925 731 110 7 -6.6 2.4 | 44 4 -3.0 -3.1 2 905 914 95 5 -5.0 0.4 | 15 5 -1.4 -5.1 3 850 1448 90 7 -7.0 0.0 | 32 6 -3.4 -5.5 4 811 1829 100 15 -14.8 2.6 | 75 12 -11.2 -2.9 5 781 2134 140 9 -5.8 6.9 | 122 3 -2.2 1.4 6 753 2438 150 9 -4.5 7.8 | 158 2 -0.9 2.3 7 700 3029 150 9 -4.5 7.8 | 158 2 -0.9 2.3 8 698 3048 155 9 -3.8 8.2 | 176 3 -0.2 2.6 9 620 3962 80 1 -1.0 -0.2 | 335 6 2.6 -5.7 10 596 4267 125 5 -4.1 2.9 | 11 3 -0.5 -2.7 11 529 5182 100 9 -8.9 1.6 | 53 7 -5.3 -4.0 12 500 5610 105 13 -12.6 3.4 | 76 9 -9.0 -2.2 13 429 6706 120 17 -14.7 8.5 | 105 12 -11.1 3.0 14 411 7010 115 19 -17.2 8.0 | 100 14 -13.6 2.5 15 400 7210 105 15 -14.5 3.9 | 81 11 -10.9 -1.6 16 377 7620 95 15 -14.9 1.3 | 70 12 -11.3 -4.2 17 344 8230 85 15 -14.9 -1.3 | 59 13 -11.3 -6.8 18 329 8534 110 11 -10.3 3.8 | 75 7 -6.7 -1.8 19 315 8839 105 9 -8.7 2.3 | 58 6 -5.1 -3.2 20 300 9170 200 3 1.0 2.8 | 300 5 4.6 -2.7 21 287 9449 260 1 1.0 0.2 | 319 7 4.6 -5.3 22 250 10350 315 11 7.8 -7.8 | 319 18 11.4 -13.3 23 249 10363 300 9 7.8 -4.5 | 311 15 11.4 -10.0 24 238 10668 335 11 4.6 -10.0 | 332 18 8.2 -15.5 25 227 10973 315 9 6.4 -6.4 | 320 16 10.0 -11.9 26 217 11244 10 11 -1.9 -10.8 | 354 16 1.7 -16.4 27 216 11278 360 13 -0.0 -13.0 | 349 19 3.6 -18.5 28 206 11582 10 9 -1.6 -8.9 | 352 15 2.0 -14.4 29 200 11760 280 9 8.9 -1.6 | 300 14 12.5 -7.1 30 196 11887 280 9 8.9 -1.6 | 300 14 12.5 -7.1 31 170 12802 315 19 13.4 -13.4 | 318 25 17.0 -19.0 32 162 13106 300 21 18.2 -10.5 | 306 27 21.8 -16.0 33 150 13610 315 19 13.4 -13.4 | 318 25 17.0 -19.0 34 141 14021 320 17 10.9 -13.0 | 322 24 14.5 -18.5 35 134 14326 310 11 8.4 -7.1 | 316 17 12.0 -12.6 36 128 14630 285 15 14.5 -3.9 | 297 20 18.1 -9.4 37 116 15240 300 11 9.5 -5.5 | 310 17 13.1 -11.0 38 111 15545 280 11 10.8 -1.9 | 297 16 14.4 -7.4 39 100 16210 275 13 13.0 -1.1 | 292 18 16.5 -6.7 40 96 16459 275 13 13.0 -1.1 | 292 18 16.5 -6.7 41 92 16764 280 13 12.8 -2.3 | 295 18 16.4 -7.8 42 87 17069 265 9 9.0 0.8 | 291 13 12.6 -4.7 43 83 17374 290 13 12.2 -4.4 | 302 19 15.8 -10.0 44 79 17678 300 9 7.8 -4.5 | 311 15 11.4 -10.0 45 70 18460 245 13 11.8 5.5 | 270 15 15.4 -0.0 46 69 18593 245 9 8.2 3.8 | 278 12 11.8 -1.7 47 65 18898 245 13 11.8 5.5 | 270 15 15.4 -0.0 48 62 19202 210 9 4.5 7.8 | 254 8 8.1 2.3 49 59 19507 210 13 6.5 11.3 | 240 12 10.1 5.7 50 56 19812 270 11 11.0 -0.0 | 291 16 14.6 -5.5 51 50 20580 240 11 9.5 5.5 | 270 13 13.1 -0.0 52 48 20726 255 11 10.6 2.8 | 281 14 14.2 -2.7 53 45 21031 235 11 9.0 6.3 | 266 13 12.6 0.8 54 43 21336 285 11 10.6 -2.8 | 300 17 14.2 -8.4 55 27 23470 355 1 0.1 -1.0 | 331 7 3.7 -6.5 Wind Parameters Mean winds (0-6000m): 116.9 at 8.8 knts Storm direction: 146.9 at 6.6 knts Shear (0-3000m) pos: 1.9 neg: 1.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 22.2 deg Storm rel helicity (0-3000m) pos: 37.8 neg: -4.1 tot: 33.7 m^2/s^2 ave: 11.2 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.37 Bulk Shear: 2.22 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 97 5 21 5| 5.8 0.0 5.8| 11.2 -1.6 9.6 19.2 0.55| 9.9 5.4 1000 94 6 27 6| 5.0 0.0 5.0| 18.0 -1.6 16.3 16.3 0.64| 7.3 4.6 1500 100 8 49 6| 3.9 0.0 3.9| 36.2 -1.6 34.6 23.0 0.63| 9.5 5.9 2000 112 9 62 5| 2.9 0.0 2.9| 37.6 -1.6 36.0 18.0 0.64| 7.8 5.0 2500 121 9 73 4| 2.2 0.0 2.2| 37.8 -1.6 36.2 14.5 0.64| 6.3 4.0 3000 123 8 73 3| 1.9 1.0 2.9| 37.8 -4.1 33.7 11.2 0.39| 6.4 2.5 4000 125 7 56 3| 1.8 0.9 2.7| 42.0 -7.3 34.7 8.7 0.35| 5.9 2.1 5000 119 7 57 3| 1.8 0.8 2.6| 49.5 -7.3 42.2 8.4 0.38| 5.5 2.1 6000 117 9 70 5| 1.9 0.7 2.6| 62.1 -7.3 54.8 9.1 0.43| 5.0 2.1 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250425.12.gif