UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042523.upa.cvt Date: 2300Z 25 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 25 APR 25 Station: YBBN WMO ident: 94578 Latitude: -27.38 Longitude: 153.10 Elevation: 5.00 ------------------------------------------------------------------------------- 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 1013 5 22.4 20.5 89 1.9 21.1 200 7 294.5 297.2 293.8 337.8 15.15 1 1000 119 20.2 18.1 88 2.1 18.8 215 7 293.4 295.7 291.9 330.9 13.18 2 999 128 20.2 18.2 88 2.0 18.9 215 7 293.4 295.8 292.0 331.3 13.28 3 926 782 17.2 13.6 79 3.6 14.9 87 3 296.8 298.7 291.0 327.6 10.63 4 925 791 17.0 13.5 80 3.5 14.8 85 3 296.7 298.6 290.9 327.3 10.57 5 850 1508 12.0 11.9 99 0.1 12.0 40 7 298.7 300.6 291.4 328.9 10.35 6 844 1567 11.8 11.7 99 0.1 11.7 40 7 299.1 301.0 291.5 329.2 10.29 7 796 2057 10.8 7.4 79 3.4 8.8 36 7 303.1 304.6 291.0 327.4 8.14 8 769 2344 8.0 6.7 91 1.3 7.2 35 9 303.1 304.6 290.9 327.1 8.03 9 764 2398 7.8 7.2 96 0.6 7.5 35 10 303.4 305.0 291.3 328.4 8.37 10 755 2496 7.8 3.5 74 4.3 5.4 24 10 304.5 305.7 290.0 324.2 6.53 11 724 2841 5.6 2.7 82 2.9 4.0 338 9 305.7 306.9 290.3 325.3 6.43 12 706 3046 4.4 -2.6 60 7.0 1.0 354 8 306.6 307.4 288.9 320.4 4.47 13 701 3104 4.0 -2.0 65 6.0 1.0 359 8 306.8 307.7 289.2 321.3 4.71 14 700 3116 4.0 -2.0 65 6.0 1.0 360 8 306.9 307.8 289.2 321.5 4.72 15 682 3328 3.2 -1.8 70 5.0 0.7 26 10 308.3 309.2 289.8 323.5 4.92 16 675 3412 2.6 2.3 98 0.3 2.4 29 10 308.6 309.8 291.5 329.1 6.71 17 657 3630 2.4 -3.6 65 6.0 -0.5 27 9 310.7 311.6 290.2 324.7 4.46 18 596 4414 -0.9 -14.9 34 14.0 -6.1 26 8 315.7 316.1 289.5 322.4 2.02 19 579 4645 -2.1 -23.1 18 21.0 -8.5 18 10 316.9 317.1 288.9 320.4 1.03 20 573 4728 -0.9 -36.9 5 36.0 -9.1 353 10 319.3 319.3 288.8 320.3 0.28 21 500 5800 -9.9 -32.9 13 23.0 -14.9 285 23 321.0 321.1 289.6 322.7 0.48 22 473 6224 -12.9 -34.9 14 22.0 -17.3 295 27 322.4 322.5 289.9 323.9 0.42 23 463 6387 -12.5 -40.5 8 28.0 -17.4 299 29 324.9 324.9 290.5 325.8 0.24 24 404 7407 -21.1 -28.1 53 7.0 -22.6 277 34 326.6 326.8 291.7 330.0 0.94 25 400 7480 -21.7 -28.7 53 7.0 -23.2 275 39 326.8 327.0 291.7 330.0 0.89 26 393 7610 -22.7 -29.7 53 7.0 -24.1 275 41 327.1 327.3 291.7 330.1 0.83 27 354 8370 -26.3 -43.3 19 17.0 -28.4 281 64 332.2 332.3 292.6 333.1 0.23 28 350 8452 -25.7 -49.7 9 24.0 -28.2 282 67 334.1 334.1 292.9 334.6 0.12 29 330 8878 -26.1 -48.1 11 22.0 -28.6 284 81 339.2 339.3 294.3 339.8 0.15 30 300 9560 -31.3 -46.3 21 15.0 -32.9 280 97 341.3 341.3 294.8 342.1 0.20 31 270 10295 -38.3 -47.3 38 9.0 -39.0 280 99 341.5 341.6 294.9 342.3 0.20 32 252 10766 -40.9 -59.9 11 19.0 -41.8 280 100 344.5 344.5 295.4 344.7 0.05 33 250 10820 -41.3 -58.3 14 17.0 -42.1 280 100 344.7 344.7 295.5 344.9 0.06 34 219 11706 -48.3 -66.3 11 18.0 -48.8 277 102 347.2 347.2 296.0 347.3 0.02 35 200 12300 -51.5 -71.5 7 20.0 -51.9 275 104 351.2 351.2 296.9 351.3 0.01 36 189 12666 -53.9 -73.2 8 19.2 -54.2 275 107 353.0 353.0 297.3 353.1 0.01 37 150 14120 -63.9 -79.9 10 16.0 -64.0 270 93 360.0 360.0 298.7 360.0 0.00 38 141 14497 -66.5 -81.5 10 15.0 -66.6 275 89 361.9 361.9 299.1 361.9 0.00 39 110 15978 -72.7 -86.7 10 14.0 -72.8 275 59 376.8 376.8 301.7 376.9 0.00 40 100 16540 -71.5 -88.5 6 17.0 -71.6 295 48 389.6 389.6 303.8 389.6 0.00 41 88 17294 -69.9 -87.9 6 18.0 -70.0 318 38 407.3 407.3 306.2 407.3 0.00 42 77 18080 -72.9 -88.9 7 16.0 -73.0 351 24 416.9 416.9 307.3 416.9 0.00 43 70 18640 -70.9 -88.9 5 18.0 -71.0 15 14 432.7 432.7 309.1 432.7 0.00 44 64 19172 -70.9 -89.9 4 19.0 -71.0 22 13 443.9 443.9 310.3 443.9 0.00 45 59 19662 -64.5 -88.5 2 24.0 -64.8 28 12 468.8 468.8 312.5 468.8 0.00 46 52 20438 -62.9 -87.9 2 25.0 -63.3 37 11 489.7 489.7 314.2 489.7 0.00 47 50 20680 -63.3 -87.3 2 24.0 -63.7 40 11 494.3 494.3 314.5 494.3 0.00 48 48 20930 -64.1 -88.1 2 24.0 -64.4 44 11 498.2 498.2 314.8 498.2 0.00 49 40 22059 -57.9 -85.9 2 28.0 -58.8 60 12 540.4 540.5 317.5 540.5 0.01 50 35 22897 -58.9 -85.9 2 27.0 -59.8 71 13 558.9 558.9 318.6 558.9 0.01 51 30 23870 -55.3 -85.3 1 30.0 -56.8 85 14 593.9 593.9 320.3 593.9 0.01 52 27 24548 -51.5 -82.5 1 31.0 -53.9 42 12 622.7 622.7 321.6 622.8 0.02 53 20 26510 -48.3 -81.3 1 33.0 -52.3 280 8 688.3 688.3 324.0 688.5 0.03 54 18 27206 -46.7 -80.7 1 34.0 -51.5 714.4 714.5 324.9 714.7 0.03 55 15 28418 -45.7 -79.7 1 34.0 -51.5 756.0 756.0 326.1 756.4 0.05 TRP 110 15978 -72.7 -86.7 10 14.0 -72.8 275 59 376.8 376.8 301.7 376.9 0.00 WND 189 12666 -53.9 -73.2 8 19.2 -54.2 275 107 353.0 353.0 297.3 353.1 0.01 Sounding variables and indices 1000-500 mb thick: 5681.00 m Freezing level: 612.64 mb = 4200.65 m = 13781.51 ft Wetbulb zero: 660.12 mb = 3592.09 m = 11784.91 ft Precipitable water: 1.43 inches Sfc-500 mean rel hum: 60.96 % Est. max temperature: 26.31 C = 79.36 F Sfc-Lift cond lev (LCL): 985.53 mb = 244.68 m = 802.75 ft T: 19.66 C 700-500 lapse rate: 5.18 C/km ThetaE index: 6.92 C Layer 1000.0- 999.0 mb Conv cond level (CCL): 893.80 mb = 1081.96 m = 3549.68 ft Mean mixing ratio: 12.05 g/kg Conv temperature: 25.47 C = 77.85 F Cap Strength: 3.77 C Lifted Index: 1.45 C Risk: Showers probable Lifted Index @300 mb: 9.11 C Lifted Index @700 mb: -0.24 C Showalter Index: 1.86 C Risk: Showers probable Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 21.80 C K Index: 27.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 179.80 Risk: None Energy Index: -1.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.93 J/kg Max Up Vert Vel: 4.46 m/s Conv Inhibition (B-): 15.88 J/kg Cap Strength: 3.53 C Lift Cond Lev (LCL): 924.92 mb = 791.72 m = 2597.47 ft Lev Free Conv (LFC): 849.92 mb = 1508.77 m = 4949.98 ft Equ Level (EL): 829.92 mb = 1708.10 m = 5603.93 ft B at Equ Level: 6.87 J/kg Max Parcel Lev (MPL): 799.92 mb = 2016.07 m = 6614.34 ft Wind level data Storm motion: 12 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 1013 5 200 7 2.4 6.6 | 196 14 3.9 13.8 1 1000 119 215 7 4.0 5.7 | 203 14 5.5 13.0 2 979 305 210 10 5.0 8.7 | 202 17 6.5 15.9 3 925 791 85 3 -3.0 -0.3 | 168 7 -1.5 7.0 4 912 914 50 6 -4.6 -3.9 | 138 5 -3.1 3.4 5 850 1508 40 7 -4.5 -5.4 | 122 4 -3.0 1.9 6 788 2134 35 7 -4.0 -5.7 | 121 3 -2.5 1.5 7 760 2438 35 10 -5.7 -8.2 | 78 4 -4.2 -0.9 8 732 2743 330 10 5.0 -8.7 | 282 7 6.5 -1.4 9 700 3116 360 8 -0.0 -8.0 | 296 2 1.5 -0.7 10 680 3353 30 10 -5.0 -8.7 | 68 4 -3.5 -1.4 11 606 4267 20 7 -2.4 -6.6 | 127 1 -0.9 0.7 12 583 4572 35 10 -5.7 -8.2 | 78 4 -4.2 -0.9 13 561 4877 305 10 8.2 -5.7 | 261 10 9.7 1.5 14 520 5486 280 18 17.7 -3.1 | 258 20 19.2 4.1 15 500 5800 285 23 22.2 -6.0 | 267 24 23.7 1.3 16 462 6401 300 29 25.1 -14.5 | 285 28 26.6 -7.2 17 443 6706 290 31 29.1 -10.6 | 276 31 30.6 -3.3 18 409 7315 280 29 28.6 -5.0 | 266 30 30.1 2.2 19 400 7480 275 39 38.9 -3.4 | 265 41 40.4 3.9 20 392 7620 275 41 40.8 -3.6 | 265 43 42.4 3.7 21 331 8839 285 79 76.3 -20.4 | 280 79 77.8 -13.2 22 318 9144 280 99 97.5 -17.2 | 276 99 99.0 -9.9 23 300 9560 280 97 95.5 -16.8 | 276 98 97.0 -9.6 24 250 10820 280 100 98.5 -17.4 | 276 100 100.0 -10.1 25 200 12300 275 104 103.6 -9.1 | 271 105 105.1 -1.8 26 189 12666 275 107 106.6 -9.3 | 271 108 108.1 -2.1 27 185 12802 275 107 106.6 -9.3 | 271 108 108.1 -2.1 28 150 14120 270 93 93.0 -0.0 | 266 95 94.5 7.3 29 118 15545 290 78 73.3 -26.7 | 285 77 74.8 -19.4 30 110 15978 275 59 58.8 -5.1 | 268 60 60.3 2.1 31 107 16154 275 67 66.7 -5.8 | 269 68 68.3 1.4 32 101 16459 290 45 42.3 -15.4 | 281 45 43.8 -8.1 33 100 16540 295 48 43.5 -20.3 | 286 47 45.0 -13.0 34 96 16764 295 48 43.5 -20.3 | 286 47 45.0 -13.0 35 70 18640 15 14 -3.6 -13.5 | 19 7 -2.1 -6.3 36 50 20680 40 11 -7.1 -8.4 | 78 6 -5.6 -1.2 37 30 23870 85 14 -13.9 -1.2 | 116 14 -12.4 6.0 38 20 26510 280 8 7.9 -1.4 | 238 11 9.4 5.9 Wind Parameters Mean winds (0-6000m): 341.7 at 9.9 knts Storm direction: 11.7 at 7.4 knts Shear (0-3000m) pos: 0.0 neg: 2.6 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 97.8 deg Storm rel helicity (0-3000m) pos: 8.0 neg: -54.8 tot: -46.8 m^2/s^2 ave: -15.6 10^-3 m/s^2 rel: -0.55 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 38.08 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 ------------------------------------------------------------------------------- 500 202 8 197 16| 0.0 5.1 5.1| 6.7 -31.4 -24.7 -49.3 -0.45| 13.2 -6.0 1000 193 7 192 14| 0.0 6.6 6.6| 7.2 -43.6 -36.4 -36.4 -0.45| 12.5 -5.7 1500 124 7 160 12| 0.0 4.7 4.7| 7.2 -44.6 -37.4 -24.9 -0.46| 8.8 -4.1 2000 64 7 134 6| 0.0 3.6 3.6| 7.2 -44.7 -37.4 -18.7 -0.46| 6.7 -3.1 2500 49 7 125 5| 0.0 3.5 3.5| 7.2 -48.6 -41.4 -16.6 -0.53| 6.5 -3.4 3000 28 7 108 2| 0.0 2.6 2.6| 8.0 -54.8 -46.8 -15.6 -0.55| 7.3 -4.0 4000 25 8 94 2| 0.8 1.8 2.5| 10.5 -54.8 -44.4 -11.1 -0.35| 6.6 -2.3 5000 19 8 72 1| 0.8 2.0 2.8| 11.3 -69.6 -58.3 -11.7 -0.44| 7.5 -3.3 6000 342 10 295 5| 0.5 2.2 2.7| 47.0 -75.6 -28.6 -4.8 -0.31| 7.6 -2.4 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250425.23.gif