UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042811.upa.cvt Date: 1100Z 28 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 28 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 19.6 17.4 87 2.2 18.2 235 4 291.7 293.9 290.8 326.8 12.43 1 1007 55 22.2 17.2 73 5.0 18.9 274 4 294.8 297.0 291.7 330.1 12.35 2 1002 96 22.4 16.4 69 6.0 18.4 307 3 295.4 297.5 291.5 329.2 11.78 3 1000 113 22.4 16.4 69 6.0 18.4 320 3 295.5 297.7 291.6 329.5 11.81 4 965 423 21.2 13.2 60 8.0 16.1 254 7 297.4 299.2 290.6 326.2 9.92 5 925 788 18.4 11.4 64 7.0 14.0 175 12 298.1 299.8 290.2 324.9 9.19 6 850 1507 12.8 9.4 80 3.4 10.7 175 22 299.6 301.1 290.3 325.2 8.74 7 827 1737 11.0 7.8 81 3.2 9.1 168 21 300.0 301.5 289.9 323.8 8.05 8 750 2548 7.4 0.4 61 7.0 3.8 162 16 304.6 305.6 288.9 320.6 5.25 9 733 2737 9.6 -3.4 40 13.0 3.2 165 14 309.0 309.8 289.3 321.7 4.06 10 700 3119 8.2 -11.8 23 20.0 -0.1 220 15 311.6 312.0 288.3 318.7 2.21 11 656 3652 6.0 -32.0 4 38.0 -4.3 254 15 314.9 315.0 287.5 316.3 0.40 12 595 4444 2.2 -45.8 1 48.0 -7.4 250 22 319.4 319.4 288.7 319.8 0.11 13 592 4484 2.2 -43.8 2 46.0 -7.4 253 23 319.9 319.9 288.9 320.4 0.13 14 500 5820 -8.3 -25.3 24 17.0 -13.0 265 46 322.9 323.1 290.7 326.4 0.98 15 499 5836 -8.3 -25.3 24 17.0 -13.0 265 46 323.1 323.3 290.7 326.6 0.98 16 483 6088 -8.5 -36.5 8 28.0 -14.4 270 48 325.9 326.0 290.9 327.2 0.35 17 425 7066 -16.1 -34.1 20 18.0 -19.7 257 63 328.3 328.4 291.7 330.2 0.50 18 400 7520 -18.7 -36.7 19 18.0 -21.9 260 72 330.7 330.8 292.3 332.2 0.41 19 397 7576 -19.1 -37.1 19 18.0 -22.2 261 73 330.9 331.0 292.3 332.4 0.40 20 387 7767 -18.1 -43.1 9 25.0 -22.0 263 76 334.6 334.7 293.2 335.5 0.22 21 327 9004 -27.7 -49.7 10 22.0 -29.9 261 81 337.9 337.9 293.9 338.4 0.12 22 300 9620 -31.1 -59.1 5 28.0 -33.1 265 79 341.5 341.6 294.7 341.7 0.04 23 275 10230 -34.1 -62.1 4 28.0 -35.7 260 86 345.9 345.9 295.7 346.0 0.03 24 262 10567 -35.7 -63.7 4 28.0 -37.2 260 86 348.3 348.3 296.3 348.4 0.03 25 250 10890 -38.5 -65.5 4 27.0 -39.7 260 86 348.8 348.8 296.4 348.9 0.02 26 200 12390 -50.9 -71.9 7 21.0 -51.3 260 82 352.2 352.2 297.1 352.2 0.01 27 180 13065 -57.3 -72.3 13 15.0 -57.5 260 80 352.5 352.5 297.2 352.5 0.01 28 165 13611 -59.7 -80.7 5 21.0 -59.9 255 72 357.4 357.4 298.2 357.4 0.00 29 150 14200 -64.3 -82.3 7 18.0 -64.4 275 69 359.3 359.3 298.5 359.3 0.00 30 110 16041 -76.7 -86.7 19 10.0 -76.7 265 48 369.3 369.3 300.4 369.3 0.00 31 100 16590 -76.3 -87.3 16 11.0 -76.3 270 32 380.3 380.3 302.3 380.3 0.00 32 82 17737 -76.3 -89.3 11 13.0 -76.3 324 22 402.5 402.5 305.5 402.5 0.00 33 78 18028 -73.7 -88.7 8 15.0 -73.7 340 19 413.7 413.7 307.0 413.7 0.00 34 73 18414 -75.5 -90.5 8 15.0 -75.6 2 15 417.8 417.8 307.4 417.8 0.00 35 70 18660 -71.9 -89.9 5 18.0 -72.0 15 13 430.6 430.6 308.9 430.6 0.00 36 67 18920 -68.1 -89.1 3 21.0 -68.2 25 12 444.2 444.2 310.3 444.2 0.00 37 59 19687 -65.9 -88.9 3 23.0 -66.1 53 10 465.6 465.6 312.3 465.6 0.00 38 57 19896 -66.9 -88.9 3 22.0 -67.1 61 9 468.0 468.0 312.5 468.0 0.00 39 50 20690 -65.3 -89.3 2 24.0 -65.6 90 7 489.6 489.6 314.2 489.6 0.00 40 30 23880 -55.1 -84.1 2 29.0 -56.6 110 2 594.4 594.4 320.3 594.5 0.01 41 24 25306 -54.7 -83.7 2 29.0 -56.6 634.8 634.8 322.1 634.9 0.01 TRP 110 16041 -76.7 -86.7 19 10.0 -76.7 265 48 369.3 369.3 300.4 369.3 0.00 WND 275 10230 -34.1 -62.1 4 28.0 -35.7 260 86 345.9 345.9 295.7 346.0 0.03 Sounding variables and indices 1000-500 mb thick: 5707.00 m Freezing level: 572.72 mb = 4764.29 m = 15630.67 ft Wetbulb zero: 700.98 mb = 3107.41 m = 10194.80 ft Precipitable water: 1.06 inches Sfc-500 mean rel hum: 38.30 % Est. max temperature: 27.26 C = 81.07 F Sfc-Lift cond lev (LCL): 980.92 mb = 280.47 m = 920.15 ft T: 21.75 C 700-500 lapse rate: 6.11 C/km ThetaE index: 5.36 C Layer 700.0- 595.0 mb Conv cond level (CCL): 833.29 mb = 1673.34 m = 5489.89 ft Mean mixing ratio: 10.28 g/kg Conv temperature: 27.85 C = 82.13 F Cap Strength: 6.69 C Lifted Index: 4.51 C Risk: None Lifted Index @300 mb: 11.30 C Lifted Index @700 mb: 5.07 C Showalter Index: 5.27 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 17.70 C K Index: 10.50 Risk: None Sweat Index: 352.80 Risk: Showers and thunderstorms possible Energy Index: 0.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.49 J/kg Max Up Vert Vel: 5.38 m/s Conv Inhibition (B-): 28964.31 J/kg Cap Strength: 6.63 C Lift Cond Lev (LCL): 869.70 mb = 1312.18 m = 4305.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 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 1013 5 235 4 3.3 2.3 | 85 12 -11.7 -1.1 1 1000 113 320 3 1.9 -2.3 | 67 14 -13.0 -5.7 2 925 788 175 12 -1.0 12.0 | 118 18 -16.0 8.6 3 911 914 170 14 -2.4 13.8 | 121 20 -17.4 10.4 4 850 1507 175 22 -1.9 21.9 | 138 25 -16.9 18.6 5 848 1524 175 22 -1.9 21.9 | 138 25 -16.9 18.6 6 788 2134 155 19 -8.0 17.2 | 121 27 -23.0 13.9 7 732 2743 165 14 -3.6 13.5 | 119 21 -18.6 10.2 8 706 3048 220 16 10.3 12.3 | 152 10 -4.7 8.9 9 700 3119 220 15 9.6 11.5 | 147 10 -5.3 8.1 10 655 3658 255 15 14.5 3.9 | 138 1 -0.5 0.5 11 607 4267 240 18 15.6 9.0 | 186 6 0.6 5.6 12 584 4572 260 25 24.6 4.3 | 264 10 9.7 1.0 13 562 4877 245 26 23.6 11.0 | 228 12 8.6 7.6 14 500 5820 265 46 45.8 4.0 | 269 31 30.9 0.7 15 482 6096 270 48 48.0 -0.0 | 276 33 33.0 -3.4 16 445 6706 255 57 55.1 14.8 | 254 42 40.1 11.4 17 400 7520 260 72 70.9 12.5 | 261 57 56.0 9.1 18 378 7925 265 79 78.7 6.9 | 267 64 63.7 3.5 19 334 8839 260 82 80.8 14.2 | 261 67 65.8 10.9 20 300 9620 265 79 78.7 6.9 | 267 64 63.7 3.5 21 275 10230 260 86 84.7 14.9 | 261 71 69.7 11.6 22 270 10363 260 86 84.7 14.9 | 261 71 69.7 11.6 23 250 10890 260 86 84.7 14.9 | 261 71 69.7 11.6 24 200 12390 260 82 80.8 14.2 | 261 67 65.8 10.9 25 178 13106 260 80 78.8 13.9 | 261 65 63.8 10.5 26 170 13411 250 75 70.5 25.7 | 248 60 55.5 22.3 27 154 14021 265 64 63.8 5.6 | 267 49 48.8 2.2 28 150 14200 275 69 68.7 -6.0 | 280 55 53.8 -9.4 29 147 14326 275 68 67.7 -5.9 | 280 54 52.8 -9.3 30 133 14935 275 72 71.7 -6.3 | 280 58 56.8 -9.6 31 114 15850 260 52 51.2 9.0 | 261 37 36.3 5.7 32 110 16041 265 48 47.8 4.2 | 269 33 32.9 0.8 33 100 16590 270 32 32.0 -0.0 | 281 17 17.0 -3.4 34 97 16764 270 32 32.0 -0.0 | 281 17 17.0 -3.4 35 70 18660 15 13 -3.4 -12.6 | 49 24 -18.3 -15.9 36 50 20690 90 7 -7.0 0.0 | 81 22 -22.0 -3.4 37 30 23880 110 2 -1.9 0.7 | 81 17 -16.8 -2.7 Wind Parameters Mean winds (0-6000m): 227.3 at 20.4 knts Storm direction: 257.3 at 15.3 knts Shear (0-3000m) pos: 3.4 neg: 2.7 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 61.7 deg Storm rel helicity (0-3000m) pos: 100.9 neg: -74.2 tot: 26.7 m^2/s^2 ave: 8.9 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 10.5 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.42 Bulk Shear: 34.65 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 ------------------------------------------------------------------------------- 500 257 5 77 10| 4.3 0.0 4.3| 12.4 -15.4 -3.0 -6.0 0.05| 14.4 0.8 1000 181 8 109 16| 2.2 7.2 9.3| 31.9 -17.2 14.7 14.7 0.20| 14.8 3.0 1500 177 12 118 18| 3.4 4.8 8.2| 65.4 -17.2 48.2 32.1 0.32| 12.2 3.9 2000 173 14 123 20| 2.6 4.1 6.7| 65.4 -58.2 7.2 3.6 0.13| 10.8 1.4 2500 169 15 122 21| 1.7 3.3 5.0| 65.4 -71.3 -5.9 -2.4 0.08| 9.6 0.7 3000 170 15 123 21| 3.4 2.7 6.1|100.9 -74.2 26.7 8.9 0.18| 10.5 1.9 4000 187 15 132 17| 3.4 2.0 5.4|103.6 -74.3 29.4 7.3 0.17| 9.6 1.7 5000 206 17 146 14| 3.5 1.6 5.1|123.4 -89.1 34.2 6.8 0.18| 9.8 1.8 6000 227 20 180 10| 4.8 1.4 6.2|214.1 -89.1 125.0 20.8 0.27| 10.2 2.7 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250428.11.gif