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 LBSF... Searching the city database file for: LBSF ... Date:1200Z 26 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 77 SFC 942 595 19.4 6.4 43 13.0 12.0 90 3 297.6 298.8 287.6 316.4 6.41 2 925 745 16.0 6.0 51 10.0 10.4 145 13 295.7 296.8 286.8 314.2 6.34 3 850 1456 9.6 5.2 74 4.4 7.2 85 9 296.2 297.4 287.2 315.3 6.53 4 795 2007 4.8 3.5 91 1.3 4.1 85 7 296.8 297.9 287.1 315.0 6.20 5 714 2875 -1.7 -1.7 100 0.0 -1.7 93 7 298.9 299.8 286.4 313.0 4.73 6 700 3033 -2.3 -3.9 89 1.6 -3.0 95 7 299.9 300.7 286.1 312.3 4.09 7 624 3932 -9.1 -9.4 98 0.3 -9.2 99 7 302.2 302.7 285.8 311.4 3.00 8 617 4019 -8.7 -10.3 88 1.6 -9.3 99 7 303.6 304.1 286.2 312.4 2.83 9 607 4145 -9.5 -11.7 84 2.2 -10.3 99 7 304.1 304.6 286.1 312.2 2.57 10 500 5610 -20.1 -20.5 97 0.4 -20.2 145 9 308.5 308.8 286.5 313.4 1.50 11 489 5775 -21.1 -21.1 100 0.0 -21.1 149 11 309.3 309.5 286.8 314.0 1.45 12 485 5836 -20.9 -20.9 100 0.0 -20.9 145 12 310.2 310.5 287.1 315.1 1.49 13 431 6698 -28.9 -28.9 100 0.0 -28.9 120 17 310.7 310.9 286.6 313.5 0.81 14 400 7230 -32.7 -32.7 100 0.0 -32.7 130 17 312.5 312.6 286.9 314.6 0.61 15 325 8652 -44.9 -44.9 100 0.0 -44.9 130 10 314.8 314.8 287.3 315.6 0.21 16 300 9180 -49.5 -50.6 88 1.1 -49.6 90 7 315.6 315.6 287.4 316.0 0.12 17 268 9913 -55.9 -58.5 73 2.6 -55.9 55 9 316.6 316.6 287.7 316.8 0.05 18 260 10108 -53.9 -61.9 37 8.0 -54.1 70 8 322.3 322.3 289.5 322.4 0.04 19 252 10309 -55.3 -60.3 54 5.0 -55.4 150 2 323.1 323.1 289.8 323.3 0.05 20 250 10360 -55.3 -61.3 47 6.0 -55.4 170 1 323.9 323.9 290.0 324.0 0.04 21 214 11348 -54.9 -66.9 21 12.0 -55.1 288 14 339.2 339.2 294.1 339.3 0.02 22 200 11780 -54.1 -67.1 19 13.0 -54.4 275 19 347.1 347.1 296.0 347.2 0.02 23 171 12787 -52.5 -70.5 10 18.0 -52.9 295 21 365.7 365.7 299.8 365.7 0.02 24 150 13630 -53.7 -73.7 7 20.0 -54.1 265 19 377.5 377.6 301.9 377.6 0.01 25 131 14495 -55.9 -79.9 3 24.0 -56.3 277 26 388.5 388.5 303.6 388.5 0.01 26 100 16210 -56.5 -85.5 1 29.0 -56.9 285 21 418.6 418.6 307.6 418.6 0.00 27 70 18470 -57.5 -86.5 1 29.0 -58.0 290 9 461.4 461.4 311.9 461.4 0.00 28 50 20580 -59.3 -88.3 1 29.0 -59.9 290 9 503.7 503.7 315.2 503.8 0.00 TRP 268 9913 -55.9 -58.5 73 2.6 -55.9 55 9 316.6 316.6 287.7 316.8 0.05 WND Sounding variables and indices 1000-500 mb thick: 5533.00 m Freezing level: 735.18 mb = 2648.23 m = 8688.32 ft Wetbulb zero: 737.45 mb = 2614.22 m = 8576.73 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 86.06 % Est. max temperature: 18.70 C = 65.65 F Sfc-Lift cond lev (LCL): 775.98 mb = 2202.97 m = 7227.49 ft T: 3.34 C 700-500 lapse rate: 6.91 C/km ThetaE index: 3.85 C Layer 795.0- 617.0 mb Conv cond level (CCL): 781.71 mb = 2143.56 m = 7032.58 ft Mean mixing ratio: 6.43 g/kg Conv temperature: 18.95 C = 66.12 F Cap Strength: 0.71 C Lifted Index: -0.78 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.84 C Lifted Index @700 mb: -0.50 C Showalter Index: -1.02 C Risk: Thunderstorms probable Total Totals Index: 55.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.70 C Cross Totals Index: 25.30 C K Index: 33.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 209.40 Risk: None Energy Index: -0.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 131.80 J/kg Max Up Vert Vel: 16.24 m/s Conv Inhibition (B-): 15.52 J/kg Cap Strength: 1.49 C Lift Cond Lev (LCL): 793.78 mb = 2019.79 m = 6626.54 ft Lev Free Conv (LFC): 748.78 mb = 2491.07 m = 8172.70 ft Equ Level (EL): 478.78 mb = 5930.40 m = 19456.45 ft B at Equ Level: 105.42 J/kg Max Parcel Lev (MPL): 248.78 mb = 10391.00 m = 34090.81 ft Wind level data Storm motion: 140 at 8 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 ---------------------------------------------------------- 0 942 595 90 3 -3.0 0.0 | 342 6 1.9 -5.9 1 940 610 155 9 -3.8 8.2 | 205 3 1.1 2.3 2 925 745 145 13 -7.5 10.6 | 152 5 -2.6 4.8 3 907 914 135 19 -13.4 13.4 | 131 11 -8.6 7.6 4 874 1219 135 13 -9.2 9.2 | 128 5 -4.3 3.3 5 850 1456 85 9 -9.0 -0.8 | 32 8 -4.1 -6.7 6 843 1524 85 9 -9.0 -0.8 | 32 8 -4.1 -6.7 7 782 2134 85 7 -7.0 -0.6 | 18 7 -2.1 -6.5 8 700 3033 95 7 -7.0 0.6 | 22 6 -2.1 -5.3 9 596 4267 100 7 -6.9 1.2 | 23 5 -2.0 -4.7 10 550 4877 90 13 -13.0 0.0 | 54 10 -8.1 -5.9 11 500 5610 145 9 -5.2 7.4 | 169 2 -0.3 1.5 12 488 5791 150 11 -5.5 9.5 | 170 4 -0.6 3.7 13 468 6096 115 17 -15.4 7.2 | 97 11 -10.5 1.3 14 430 6706 120 17 -14.7 8.5 | 105 10 -9.8 2.6 15 400 7230 130 17 -13.0 10.9 | 122 10 -8.1 5.1 16 395 7315 130 19 -14.6 12.2 | 123 12 -9.7 6.3 17 378 7620 110 15 -14.1 5.1 | 85 9 -9.2 -0.7 18 345 8230 140 11 -7.1 8.4 | 139 3 -2.2 2.6 19 330 8534 125 11 -9.0 6.3 | 96 4 -4.1 0.4 20 315 8839 140 9 -5.8 6.9 | 139 1 -0.9 1.0 21 300 9180 90 7 -7.0 0.0 | 20 6 -2.1 -5.9 22 288 9449 65 11 -10.0 -4.6 | 26 12 -5.1 -10.5 23 275 9754 80 11 -10.8 -1.9 | 37 10 -5.9 -7.8 24 268 9913 55 9 -7.4 -5.2 | 13 11 -2.5 -11.0 25 262 10058 50 9 -6.9 -5.8 | 10 12 -2.0 -11.7 26 250 10360 170 1 -0.2 1.0 | 316 7 4.7 -4.9 27 250 10363 195 1 0.3 1.0 | 314 7 5.1 -4.9 28 227 10973 270 9 9.0 -0.0 | 293 15 13.9 -5.9 29 216 11278 290 13 12.2 -4.4 | 301 20 17.1 -10.3 30 200 11780 275 19 18.9 -1.7 | 288 25 23.8 -7.5 31 197 11887 275 19 18.9 -1.7 | 288 25 23.8 -7.5 32 188 12192 295 19 17.2 -8.0 | 302 26 22.1 -13.9 33 171 12802 295 21 19.0 -8.9 | 302 28 23.9 -14.7 34 163 13106 270 23 23.0 -0.0 | 282 28 27.9 -5.9 35 155 13411 290 19 17.9 -6.5 | 299 26 22.7 -12.4 36 150 13630 265 19 18.9 1.7 | 280 24 23.8 -4.2 37 148 13716 265 19 18.9 1.7 | 280 24 23.8 -4.2 38 134 14326 280 29 28.6 -5.0 | 288 35 33.4 -10.9 39 122 14935 270 19 19.0 -0.0 | 284 25 23.9 -5.9 40 116 15240 295 19 17.2 -8.0 | 302 26 22.1 -13.9 41 106 15850 275 21 20.9 -1.8 | 287 27 25.8 -7.7 42 101 16154 290 19 17.9 -6.5 | 299 26 22.7 -12.4 43 100 16210 285 21 20.3 -5.4 | 294 28 25.2 -11.3 44 96 16459 285 21 20.3 -5.4 | 294 28 25.2 -11.3 45 92 16764 285 17 16.4 -4.4 | 296 24 21.3 -10.3 46 83 17374 265 29 28.9 2.5 | 276 34 33.8 -3.3 47 79 17678 290 21 19.7 -7.2 | 298 28 24.6 -13.1 48 76 17983 270 17 17.0 -0.0 | 285 23 21.9 -5.9 49 70 18470 290 9 8.5 -3.1 | 304 16 13.3 -9.0 50 69 18593 300 15 13.0 -7.5 | 307 22 17.9 -13.4 51 65 18898 265 9 9.0 0.8 | 290 15 13.8 -5.1 52 59 19507 290 9 8.5 -3.1 | 304 16 13.3 -9.0 53 57 19812 255 9 8.7 2.3 | 285 14 13.6 -3.5 54 54 20117 280 11 10.8 -1.9 | 296 18 15.7 -7.8 55 51 20422 250 9 8.5 3.1 | 282 14 13.3 -2.8 56 50 20580 290 9 8.5 -3.1 | 304 16 13.3 -9.0 57 48 20726 290 11 10.3 -3.8 | 302 18 15.2 -9.6 58 45 21031 215 9 5.2 7.4 | 262 10 10.0 1.5 59 42 21336 225 9 6.4 6.4 | 268 11 11.2 0.5 60 40 21641 205 13 5.5 11.8 | 240 12 10.4 5.9 61 35 22250 345 1 0.3 -1.0 | 323 9 5.1 -6.8 62 31 22860 165 9 -2.3 8.7 | 222 4 2.6 2.8 63 29 23165 185 21 1.8 20.9 | 204 16 6.7 15.0 64 27 23470 235 11 9.0 6.3 | 268 14 13.9 0.4 65 25 23774 260 11 10.8 1.9 | 284 16 15.7 -4.0 Wind Parameters Mean winds (0-6000m): 110.3 at 10.2 knts Storm direction: 140.3 at 7.6 knts Shear (0-3000m) pos: 2.5 neg: 2.1 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 40.2 deg Storm rel helicity (0-3000m) pos: 0.7 neg: -27.5 tot: -26.7 m^2/s^2 ave: -8.9 10^-3 m/s^2 rel: -0.75 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -5.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 16.86 Bulk Shear: 7.82 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 ------------------------------------------------------------------------------- 500 139 15 139 7| 13.9 0.0 13.9| 0.0 -8.2 -8.2 -16.5 -0.76| 27.4-20.8 1000 129 13 114 6| 6.9 6.1 13.1| 0.0 -24.6 -24.6 -24.6 -0.78| 20.4-15.9 1500 119 11 84 5| 4.6 4.2 8.8| 0.0 -27.3 -27.3 -18.2 -0.78| 14.1-11.1 2000 113 10 67 5| 3.6 3.1 6.7| 0.3 -27.5 -27.1 -13.6 -0.77| 10.8 -8.3 2500 110 10 57 5| 3.0 2.5 5.5| 0.6 -27.5 -26.8 -10.7 -0.75| 8.8 -6.6 3000 108 9 51 5| 2.5 2.1 4.6| 0.7 -27.5 -26.7 -8.9 -0.75| 7.3 -5.5 4000 105 9 44 5| 1.9 1.5 3.4| 4.6 -27.5 -22.8 -5.7 -0.63| 6.0 -3.8 5000 105 9 49 5| 2.0 1.2 3.2| 16.3 -27.5 -11.2 -2.2 -0.36| 6.2 -2.2 6000 110 10 63 5| 1.7 1.3 3.1| 19.6 -40.6 -21.1 -3.5 -0.38| 6.3 -2.4 Wrote GIF file: /home/apache/climate/data/raob//LBSF/skewt/LBSF.skewt.20250426.12.gif