UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042923.upa.cvt Date: 2300Z 29 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 29 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 1017 5 23.8 17.8 69 6.0 19.8 215 7 295.5 297.8 292.3 332.0 12.71 1 1000 154 21.2 15.2 69 6.0 17.3 190 2 294.4 296.3 290.5 325.6 10.92 2 957 533 17.4 14.3 82 3.1 15.4 176 5 294.2 296.2 290.3 325.0 10.76 3 925 823 15.6 11.8 78 3.8 13.3 165 7 295.3 297.0 289.5 322.5 9.44 4 895 1102 13.8 12.0 89 1.8 12.7 208 10 296.2 298.0 290.2 324.8 9.89 5 851 1526 10.8 9.8 94 1.0 10.2 241 12 297.4 299.0 289.8 323.5 8.97 6 850 1536 10.8 9.4 91 1.4 10.0 245 11 297.5 299.0 289.6 322.9 8.74 7 833 1705 11.4 2.4 54 9.0 6.6 245 11 299.8 300.8 287.5 316.1 5.46 8 816 1877 10.2 3.2 62 7.0 6.4 245 12 300.3 301.4 288.1 317.9 5.91 9 700 3133 1.6 -6.4 55 8.0 -1.9 255 19 304.3 304.9 287.0 314.7 3.38 10 699 3144 1.4 -7.6 51 9.0 -2.4 255 19 304.2 304.7 286.6 313.7 3.09 11 685 3307 3.2 -27.8 8 31.0 -5.3 255 17 307.9 308.0 285.2 309.9 0.57 12 593 4462 -1.5 -45.5 2 44.0 -9.5 274 37 315.4 315.5 287.3 315.9 0.11 13 560 4915 -4.3 -17.3 36 13.0 -8.8 285 51 317.3 317.7 289.8 323.2 1.76 14 527 5390 -6.3 -32.3 11 26.0 -12.4 288 59 320.5 320.6 289.5 322.2 0.48 15 515 5570 -6.3 -39.3 5 33.0 -12.9 289 62 322.6 322.7 289.8 323.5 0.25 16 500 5800 -8.1 -25.1 24 17.0 -12.9 290 66 323.2 323.4 290.7 326.7 1.00 17 499 5816 -8.1 -24.1 26 16.0 -12.7 290 66 323.3 323.6 290.9 327.2 1.09 18 486 6020 -9.7 -12.0 83 2.3 -10.6 290 71 323.8 324.5 292.9 334.3 3.14 19 472 6245 -10.1 -35.1 11 25.0 -15.4 289 74 326.1 326.1 291.0 327.6 0.41 20 420 7135 -15.9 -39.9 11 24.0 -20.0 286 79 329.7 329.7 291.9 330.8 0.28 21 404 7426 -18.3 -31.3 31 13.0 -21.1 285 81 330.3 330.4 292.4 332.8 0.69 22 400 7500 -18.5 -36.5 19 18.0 -21.8 285 81 330.9 331.0 292.4 332.5 0.42 23 379 7900 -21.5 -37.5 22 16.0 -24.2 285 85 332.1 332.2 292.7 333.7 0.40 24 364 8197 -24.1 -28.6 66 4.5 -25.1 285 88 332.5 332.7 293.3 336.1 0.99 25 362 8237 -23.5 -37.5 26 14.0 -25.8 285 88 333.8 333.9 293.2 335.4 0.42 26 360 8278 -23.3 -43.3 14 20.0 -26.0 285 88 334.6 334.7 293.2 335.5 0.23 27 354 8401 -22.9 -39.9 20 17.0 -25.5 284 89 336.8 336.9 293.9 338.1 0.34 28 351 8463 -23.3 -37.3 27 14.0 -25.6 284 89 337.1 337.2 294.0 338.8 0.44 29 330 8914 -24.7 -48.7 9 24.0 -27.5 281 92 341.1 341.2 294.7 341.7 0.14 30 300 9600 -30.7 -45.7 22 15.0 -32.3 295 91 342.1 342.2 295.0 343.0 0.21 31 285 9962 -33.5 -46.5 26 13.0 -34.8 296 93 343.2 343.2 295.3 344.0 0.21 32 262 10548 -38.1 -52.1 22 14.0 -39.1 286 96 344.8 344.8 295.6 345.3 0.12 33 250 10870 -39.5 -58.5 12 19.0 -40.5 280 97 347.3 347.4 296.1 347.6 0.06 34 240 11146 -40.9 -62.9 8 22.0 -41.9 280 100 349.3 349.3 296.5 349.5 0.03 35 227 11520 -44.1 -65.2 8 21.1 -44.8 280 105 350.1 350.1 296.7 350.2 0.03 36 200 12350 -51.3 -70.3 9 19.0 -51.7 280 102 351.5 351.5 297.0 351.6 0.01 37 165 13574 -61.7 -75.7 14 14.0 -61.9 287 90 354.0 354.0 297.5 354.0 0.01 38 150 14160 -65.7 -80.7 11 15.0 -65.8 290 84 356.9 356.9 298.1 356.9 0.00 39 139 14620 -69.1 -83.1 11 14.0 -69.2 293 79 358.8 358.8 298.5 358.8 0.00 40 111 15944 -75.7 -88.7 11 13.0 -75.7 300 66 370.2 370.3 300.6 370.3 0.00 41 100 16550 -74.3 -89.3 8 15.0 -74.3 295 53 384.2 384.2 302.9 384.2 0.00 42 90 17164 -74.9 -88.9 10 14.0 -74.9 298 45 394.7 394.7 304.5 394.7 0.00 43 78 18008 -69.7 -88.7 5 19.0 -69.8 305 28 422.0 422.0 307.9 422.0 0.00 44 72 18483 -71.7 -89.7 5 18.0 -71.8 309 19 427.5 427.5 308.6 427.5 0.00 45 70 18650 -70.5 -89.5 4 19.0 -70.6 310 16 433.6 433.6 309.2 433.6 0.00 46 50 20680 -63.9 -89.9 2 26.0 -64.3 25 10 492.9 492.9 314.4 492.9 0.00 47 42 21758 -59.3 -89.3 1 30.0 -60.0 76 8 529.5 529.5 316.9 529.5 0.00 48 34 23083 -57.7 -88.7 1 31.0 -58.7 138 6 566.7 566.7 319.0 566.7 0.00 49 32 23464 -59.7 -89.7 1 30.0 -60.6 156 6 571.2 571.2 319.2 571.3 0.00 50 30 23870 -55.9 -88.9 1 33.0 -57.3 175 5 592.2 592.2 320.3 592.3 0.00 51 28 24309 -54.5 -87.5 1 33.0 -56.3 147 6 607.9 607.9 321.0 608.0 0.01 52 20 26470 -51.9 -86.9 1 35.0 -54.9 10 13 677.3 677.3 323.7 677.4 0.01 53 19 26803 -51.7 -86.7 1 35.0 -54.8 687.9 687.9 324.0 688.0 0.01 TRP 111 15944 -75.7 -88.7 11 13.0 -75.7 300 66 370.2 370.3 300.6 370.3 0.00 WND 227 11520 -44.1 -65.2 8 21.1 -44.8 280 105 350.1 350.1 296.7 350.2 0.03 Sounding variables and indices 1000-500 mb thick: 5646.00 m Freezing level: 622.36 mb = 4093.77 m = 13430.84 ft Wetbulb zero: 726.05 mb = 2833.62 m = 9296.56 ft Precipitable water: 1.08 inches Sfc-500 mean rel hum: 43.34 % Est. max temperature: 25.22 C = 77.39 F Sfc-Lift cond lev (LCL): 931.44 mb = 763.78 m = 2505.80 ft T: 15.97 C 700-500 lapse rate: 3.64 C/km ThetaE index: 9.57 C Layer 1000.0- 895.0 mb Conv cond level (CCL): 881.08 mb = 1234.24 m = 4049.29 ft Mean mixing ratio: 10.64 g/kg Conv temperature: 24.85 C = 76.73 F Cap Strength: 5.81 C Lifted Index: 5.53 C Risk: None Lifted Index @300 mb: 12.70 C Lifted Index @700 mb: -0.94 C Showalter Index: 6.70 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 17.50 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 200.80 Risk: None Energy Index: 0.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.56 J/kg Max Up Vert Vel: 5.40 m/s Conv Inhibition (B-): 44.13 J/kg Cap Strength: 5.63 C Lift Cond Lev (LCL): 906.38 mb = 995.42 m = 3265.77 ft Lev Free Conv (LFC): 751.38 mb = 2552.67 m = 8374.81 ft Equ Level (EL): 691.38 mb = 3232.76 m = 10606.05 ft B at Equ Level: 12.92 J/kg Max Parcel Lev (MPL): 671.38 mb = 3468.24 m = 11378.60 ft Wind level data Storm motion: 303 at 19 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 1017 5 215 7 4.0 5.7 | 143 20 -12.2 16.1 1 1000 154 190 2 0.3 2.0 | 128 20 -15.9 12.3 2 925 823 165 7 -1.8 6.8 | 133 25 -18.0 17.1 3 915 914 180 9 0.0 9.0 | 140 25 -16.2 19.3 4 883 1219 225 11 7.8 7.8 | 155 20 -8.4 18.1 5 851 1524 240 12 10.4 6.0 | 160 17 -5.8 16.3 6 850 1536 245 11 10.0 4.6 | 157 16 -6.2 15.0 7 790 2134 245 12 10.9 5.1 | 161 16 -5.3 15.4 8 762 2438 225 11 7.8 7.8 | 155 20 -8.4 18.1 9 734 2743 245 14 12.7 5.9 | 168 17 -3.5 16.2 10 700 3133 255 19 18.4 4.9 | 188 15 2.1 15.2 11 681 3353 255 16 15.5 4.1 | 177 14 -0.8 14.5 12 655 3658 275 22 21.9 -1.9 | 214 10 5.7 8.4 13 630 3962 260 27 26.6 4.7 | 215 18 10.4 15.0 14 607 4267 270 31 31.0 -0.0 | 235 18 14.8 10.3 15 562 4877 285 51 49.3 -13.2 | 275 33 33.1 -2.9 16 500 5800 290 66 62.0 -22.6 | 285 47 45.8 -12.2 17 481 6096 290 73 68.6 -25.0 | 286 54 52.4 -14.6 18 400 7500 285 81 78.2 -21.0 | 280 63 62.0 -10.6 19 362 8230 285 88 85.0 -22.8 | 280 70 68.8 -12.4 20 319 9144 280 93 91.6 -16.1 | 274 76 75.4 -5.8 21 300 9600 295 91 82.5 -38.5 | 293 72 66.3 -28.1 22 293 9754 300 92 79.7 -46.0 | 299 73 63.5 -35.7 23 250 10870 280 97 95.5 -16.8 | 275 80 79.3 -6.5 24 227 11520 280 105 103.4 -18.2 | 275 88 87.2 -7.9 25 225 11582 280 105 103.4 -18.2 | 275 88 87.2 -7.9 26 200 12350 280 102 100.5 -17.7 | 275 85 84.2 -7.4 27 150 14160 290 84 78.9 -28.7 | 286 65 62.7 -18.4 28 111 15944 300 66 57.2 -33.0 | 299 47 40.9 -22.7 29 100 16550 295 53 48.0 -22.4 | 291 34 31.8 -12.1 30 96 16764 295 53 48.0 -22.4 | 291 34 31.8 -12.1 31 70 18650 310 16 12.3 -10.3 | 91 4 -4.0 0.0 32 50 20680 25 10 -4.2 -9.1 | 94 20 -20.4 1.3 33 30 23870 175 5 -0.4 5.0 | 133 23 -16.6 15.3 34 20 26470 10 13 -2.3 -12.8 | 82 19 -18.5 -2.5 Wind Parameters Mean winds (0-6000m): 272.5 at 25.6 knts Storm direction: 302.5 at 19.2 knts Shear (0-3000m) pos: 3.2 neg: 1.1 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 38.2 deg Storm rel helicity (0-3000m) pos: 112.3 neg: -37.5 tot: 74.9 m^2/s^2 ave: 25.0 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.17 Bulk Shear: 84.98 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 ------------------------------------------------------------------------------- 500 191 4 132 21| 0.0 4.5 4.5| 7.4 -26.9 -19.5 -38.9 -0.50| 7.6 -3.8 1000 178 5 134 23| 2.7 2.3 5.0| 42.0 -26.9 15.1 15.1 0.11| 7.7 0.8 1500 202 7 142 22| 3.6 1.5 5.1| 74.1 -26.9 47.2 31.5 0.31| 8.2 2.5 2000 218 8 147 20| 2.8 1.1 3.9| 76.9 -29.9 47.1 23.5 0.28| 6.7 1.9 2500 224 9 149 20| 2.3 1.3 3.5| 81.0 -37.5 43.6 17.4 0.22| 6.3 1.4 3000 229 10 152 19| 3.2 1.1 4.3|112.3 -37.5 74.9 25.0 0.35| 6.6 2.3 4000 244 13 163 17| 2.8 0.6 3.4|145.7 -45.2 100.5 25.1 0.37| 7.4 2.7 5000 260 18 187 14| 5.2 0.5 5.7|293.3 -45.2 248.0 49.6 0.51| 9.1 4.6 6000 273 26 226 13| 5.9 0.4 6.3|364.0 -45.2 318.8 53.1 0.48| 9.1 4.4 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250429.23.gif