UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042111.upa.cvt Date: 1100Z 21 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 21 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 1012 5 19.6 19.6 100 0.0 19.6 175 5 291.8 294.3 292.3 332.2 14.33 1 1000 106 20.2 19.3 95 0.9 19.6 175 10 293.4 295.9 292.7 333.8 14.23 2 988 210 19.2 18.8 98 0.4 18.9 193 12 293.4 295.9 292.6 333.1 13.95 3 979 289 20.8 16.9 78 3.9 18.2 207 14 295.7 298.0 292.2 331.6 12.46 4 925 779 18.2 15.2 83 3.0 16.3 255 18 297.9 300.1 292.3 332.3 11.82 5 850 1499 13.6 13.6 100 0.0 13.6 265 16 300.4 302.5 292.9 334.4 11.60 6 758 2456 7.4 6.8 96 0.6 7.1 270 20 303.7 305.2 291.2 328.2 8.21 7 750 2544 8.2 4.9 80 3.3 6.3 270 19 305.5 306.8 291.0 327.4 7.26 8 740 2655 7.0 7.0 100 0.0 7.0 270 19 305.3 306.9 292.0 331.0 8.53 9 722 2858 5.2 5.2 100 0.0 5.2 274 17 305.5 307.0 291.4 328.8 7.71 10 700 3111 4.6 4.6 100 0.0 4.6 295 19 307.6 309.0 291.9 330.8 7.62 11 672 3443 3.0 1.3 89 1.7 2.1 307 17 309.4 310.6 291.3 328.7 6.27 12 500 5790 -9.1 -9.8 95 0.7 -9.4 315 17 321.9 322.7 292.8 333.9 3.64 13 477 6153 -10.1 -10.9 94 0.8 -10.4 330 15 325.1 325.8 293.5 336.8 3.49 14 431 6925 -16.7 -18.9 83 2.2 -17.4 316 28 326.2 326.6 292.6 333.1 1.99 15 428 6977 -17.5 -22.5 65 5.0 -18.9 313 32 325.9 326.2 292.0 331.0 1.47 16 425 7030 -18.3 -24.3 59 6.0 -19.8 309 35 325.5 325.8 291.7 329.9 1.26 17 424 7047 -18.3 -24.3 59 6.0 -19.8 306 34 325.7 326.0 291.7 330.2 1.26 18 423 7065 -18.3 -24.3 59 6.0 -19.8 304 33 326.0 326.2 291.8 330.4 1.27 19 417 7172 -18.9 -22.2 75 3.3 -19.8 290 30 326.5 326.8 292.2 331.9 1.55 20 412 7261 -19.9 -36.9 21 17.0 -22.8 278 27 326.4 326.4 291.1 327.8 0.39 21 407 7352 -20.5 -30.5 40 10.0 -22.5 270 30 326.7 326.9 291.5 329.4 0.74 22 404 7406 -20.9 -37.9 20 17.0 -23.6 270 39 326.9 327.0 291.2 328.2 0.36 23 403 7425 -20.9 -28.9 49 8.0 -22.6 270 41 327.1 327.3 291.8 330.3 0.87 24 402 7443 -20.5 -57.5 2 37.0 -24.0 270 44 327.9 327.9 291.2 328.0 0.04 25 400 7480 -20.5 -48.5 6 28.0 -23.9 270 50 328.3 328.4 291.4 328.8 0.12 26 397 7536 -20.3 -49.3 6 29.0 -23.8 270 50 329.3 329.3 291.6 329.7 0.11 27 350 8460 -24.1 -56.1 4 32.0 -27.1 278 78 336.3 336.3 293.4 336.5 0.05 28 336 8758 -23.3 -49.3 7 26.0 -26.4 281 89 341.3 341.3 294.8 341.8 0.13 29 319 9135 -26.1 -53.1 6 26.9 -28.8 285 102 342.5 342.5 295.0 342.9 0.09 30 318 9158 -26.3 -53.3 6 27.0 -29.0 285 102 342.6 342.6 295.0 342.9 0.08 31 310 9342 -24.5 -55.5 4 31.0 -27.7 283 96 347.6 347.6 296.1 347.9 0.07 32 300 9580 -26.3 -57.3 4 31.0 -29.2 280 88 348.3 348.3 296.3 348.6 0.06 33 250 10870 -36.7 -63.7 4 27.0 -38.1 280 96 351.5 351.5 297.0 351.6 0.03 34 200 12370 -50.1 -68.1 10 18.0 -50.5 275 100 353.4 353.4 297.4 353.5 0.02 35 198 12436 -50.7 -69.7 9 19.0 -51.1 275 100 353.5 353.5 297.4 353.6 0.02 36 150 14190 -65.7 -76.7 20 11.0 -65.8 275 88 356.9 356.9 298.1 356.9 0.01 37 146 14354 -66.9 -78.9 17 12.0 -67.0 274 87 357.6 357.6 298.2 357.6 0.01 38 143 14479 -66.7 -81.7 10 15.0 -66.8 274 87 360.1 360.1 298.7 360.1 0.00 39 121 15470 -73.9 -82.9 24 9.0 -73.9 270 83 364.5 364.5 299.6 364.5 0.00 40 100 16580 -74.3 -87.3 12 13.0 -74.3 265 50 384.2 384.2 302.9 384.2 0.00 41 96 16818 -74.1 -89.1 8 15.0 -74.2 266 49 389.1 389.1 303.6 389.1 0.00 42 95 16880 -70.9 -87.9 6 17.0 -71.0 267 48 396.5 396.5 304.8 396.5 0.00 43 85 17532 -75.3 -88.3 11 13.0 -75.3 279 35 400.4 400.4 305.3 400.4 0.00 44 80 17887 -71.9 -87.9 7 16.0 -72.0 286 28 414.4 414.4 307.0 414.4 0.00 45 74 18344 -73.9 -88.9 8 15.0 -74.0 294 19 419.6 419.6 307.7 419.6 0.00 46 70 18670 -72.5 -88.5 7 16.0 -72.6 300 13 429.3 429.3 308.7 429.3 0.00 47 68 18842 -69.3 -89.3 4 20.0 -69.4 314 12 439.8 439.8 309.8 439.8 0.00 48 50 20690 -67.5 -88.5 4 21.0 -67.7 100 4 484.4 484.4 313.8 484.4 0.00 49 47 21063 -67.1 -88.1 4 21.0 -67.4 95 5 494.0 494.0 314.5 494.0 0.00 50 39 22214 -58.3 -85.3 2 27.0 -59.2 78 8 543.4 543.4 317.7 543.4 0.01 51 30 23880 -54.5 -82.5 2 28.0 -56.2 55 13 596.1 596.1 320.5 596.2 0.01 52 29 24097 -53.9 -82.9 2 29.0 -55.7 603.5 603.5 320.7 603.6 0.01 TRP 121 15470 -73.9 -82.9 24 9.0 -73.9 270 83 364.5 364.5 299.6 364.5 0.00 WND 319 9135 -26.1 -53.1 6 26.9 -28.8 285 102 342.5 342.5 295.0 342.9 0.09 Sounding variables and indices 1000-500 mb thick: 5684.00 m Freezing level: 629.36 mb = 4025.19 m = 13205.85 ft Wetbulb zero: 640.99 mb = 3818.38 m = 12527.33 ft Precipitable water: 1.84 inches Sfc-500 mean rel hum: 92.57 % Est. max temperature: 27.86 C = 82.15 F Sfc-Lift cond lev (LCL): 1012.32 mb = 5.00 m = 16.40 ft T: 19.60 C 700-500 lapse rate: 5.11 C/km ThetaE index: 6.97 C Layer 758.0- 740.0 mb Conv cond level (CCL): 879.88 mb = 1204.79 m = 3952.68 ft Mean mixing ratio: 12.66 g/kg Conv temperature: 27.26 C = 81.08 F Cap Strength: 1.95 C Lifted Index: 1.02 C Risk: Showers probable Lifted Index @300 mb: 12.47 C Lifted Index @700 mb: -0.58 C Showalter Index: 0.08 C Risk: Thunderstorms probable Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 22.70 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 212.20 Risk: None Energy Index: -0.21 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 67.32 J/kg Max Up Vert Vel: 11.60 m/s Conv Inhibition (B-): 48.74 J/kg Cap Strength: 1.94 C Lift Cond Lev (LCL): 925.66 mb = 772.84 m = 2535.53 ft Lev Free Conv (LFC): 810.66 mb = 1895.02 m = 6217.17 ft Equ Level (EL): 580.66 mb = 4602.93 m = 15101.31 ft B at Equ Level: 67.24 J/kg Max Parcel Lev (MPL): 460.66 mb = 6418.63 m = 21058.26 ft Wind level data Storm motion: 316 at 15 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 1012 5 175 5 -0.4 5.0 | 146 20 -11.0 16.1 1 1000 106 175 10 -0.9 10.0 | 151 24 -11.5 21.1 2 977 305 210 14 7.0 12.1 | 171 24 -3.6 23.2 3 943 610 250 18 16.9 6.2 | 200 18 6.3 17.3 4 925 779 255 18 17.4 4.7 | 203 17 6.8 15.8 5 910 914 255 17 16.4 4.4 | 201 17 5.8 15.5 6 850 1499 265 16 15.9 1.4 | 203 14 5.4 12.5 7 817 1829 275 17 16.9 -1.5 | 213 12 6.4 9.6 8 787 2134 255 20 19.3 5.2 | 208 18 8.7 16.3 9 759 2438 270 20 20.0 -0.0 | 220 15 9.4 11.1 10 732 2743 270 18 18.0 -0.0 | 214 13 7.4 11.1 11 705 3048 280 14 13.8 -2.4 | 200 9 3.2 8.7 12 700 3111 295 19 17.2 -8.0 | 245 7 6.6 3.1 13 679 3353 310 16 12.3 -10.3 | 243 2 1.7 0.8 14 605 4267 280 26 25.6 -4.5 | 246 16 15.0 6.6 15 583 4572 300 39 33.8 -19.5 | 290 25 23.2 -8.4 16 561 4877 320 32 20.6 -24.5 | 323 17 10.0 -13.4 17 500 5790 315 17 12.0 -12.0 | 302 2 1.4 -0.9 18 500 5791 305 18 14.7 -10.3 | 259 4 4.2 0.8 19 480 6096 330 15 7.5 -13.0 | 59 4 -3.1 -1.9 20 443 6706 330 14 7.0 -12.1 | 74 4 -3.6 -1.0 21 426 7010 310 35 26.8 -22.5 | 305 20 16.2 -11.4 22 409 7315 270 25 25.0 -0.0 | 232 18 14.4 11.1 23 400 7480 270 50 50.0 -0.0 | 254 41 39.4 11.1 24 392 7620 270 49 49.0 -0.0 | 254 40 38.4 11.1 25 319 9135 285 102 98.5 -26.4 | 280 89 87.9 -15.3 26 319 9144 285 102 98.5 -26.4 | 280 89 87.9 -15.3 27 300 9580 280 88 86.7 -15.3 | 273 76 76.1 -4.2 28 293 9754 285 86 83.1 -22.3 | 279 73 72.5 -11.1 29 250 10870 280 96 94.5 -16.7 | 274 84 84.0 -5.5 30 200 12370 275 100 99.6 -8.7 | 268 89 89.0 2.4 31 196 12497 275 100 99.6 -8.7 | 268 89 89.0 2.4 32 150 14190 275 88 87.7 -7.7 | 267 77 77.1 3.5 33 121 15470 270 83 83.0 -0.0 | 261 73 72.4 11.1 34 113 15850 270 83 83.0 -0.0 | 261 73 72.4 11.1 35 100 16580 265 50 49.8 4.4 | 248 42 39.2 15.5 36 97 16764 265 50 49.8 4.4 | 248 42 39.2 15.5 37 70 18670 300 13 11.3 -6.5 | 188 5 0.7 4.6 38 50 20690 100 4 -3.9 0.7 | 129 19 -14.5 11.8 39 30 23880 55 13 -10.6 -7.5 | 100 22 -21.2 3.7 Wind Parameters Mean winds (0-6000m): 286.4 at 20.5 knts Storm direction: 316.4 at 15.4 knts Shear (0-3000m) pos: 2.5 neg: 0.5 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 57.5 deg Storm rel helicity (0-3000m) pos: 150.4 neg: -17.8 tot: 132.7 m^2/s^2 ave: 44.2 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 3.9 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.07 Bulk Shear: 63.20 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 ------------------------------------------------------------------------------- 500 207 12 167 23| 15.3 0.0 15.3|105.0 0.0 105.0 209.9 0.84| 21.4 17.9 1000 235 15 185 20| 8.7 0.0 8.7|128.5 -2.6 125.9 125.9 0.77| 14.4 11.0 1500 245 15 191 18| 5.8 0.0 5.8|130.8 -2.6 128.2 85.5 0.72| 10.5 7.6 2000 252 16 196 17| 4.3 0.7 5.0|137.8 -4.2 133.6 66.8 0.64| 9.6 6.1 2500 255 17 199 16| 3.8 0.6 4.3|150.4 -7.0 143.4 57.4 0.58| 9.1 5.3 3000 258 17 202 16| 2.5 0.5 3.0|150.4 -17.8 132.7 44.2 0.45| 8.6 3.9 4000 269 17 210 13| 2.6 1.4 4.0|163.6 -19.9 143.7 35.9 0.41| 9.1 3.7 5000 279 20 229 12| 3.4 1.1 4.5|303.0 -24.3 278.7 55.7 0.50| 11.0 5.5 6000 286 20 239 11| 2.4 1.0 3.5|304.6 -29.8 274.8 45.8 0.42| 10.9 4.6 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250421.11.gif