UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042323.upa.cvt Date: 2300Z 23 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 23 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 22.0 19.9 88 2.1 20.6 130 11 293.7 296.3 293.1 335.2 14.53 1 1000 147 20.6 16.0 75 4.6 17.6 130 23 293.8 295.8 290.7 326.6 11.50 2 993 208 20.6 15.6 73 5.0 17.4 129 24 294.3 296.4 290.7 326.7 11.29 3 925 817 15.8 13.7 87 2.1 14.5 120 30 295.5 297.4 290.6 326.3 10.71 4 850 1532 11.2 10.8 97 0.4 11.0 120 24 297.9 299.6 290.5 325.9 9.61 5 847 1562 11.0 10.8 99 0.2 10.9 119 24 298.0 299.7 290.6 326.1 9.65 6 833 1701 10.2 10.2 100 0.0 10.2 116 23 298.6 300.3 290.6 326.1 9.42 7 739 2691 5.6 2.3 79 3.3 3.8 106 21 303.9 305.1 289.5 322.4 6.12 8 700 3133 3.0 2.7 98 0.3 2.8 90 25 305.8 307.0 290.6 326.0 6.65 9 686 3296 2.0 1.8 99 0.2 1.9 90 25 306.5 307.7 290.5 325.9 6.37 10 681 3355 1.8 0.7 92 1.1 1.2 90 25 306.9 308.0 290.3 325.0 5.92 11 670 3486 1.8 -6.2 55 8.0 -1.8 92 22 308.3 309.0 288.6 319.6 3.59 12 647 3767 1.2 -9.8 44 11.0 -3.4 97 16 310.7 311.3 288.6 319.7 2.81 13 540 5202 -4.9 -35.9 7 31.0 -11.7 240 10 319.9 320.0 289.1 321.2 0.33 14 500 5800 -10.1 -35.1 11 25.0 -15.2 270 16 320.7 320.8 289.4 322.1 0.39 15 456 6505 -16.7 -36.7 16 20.0 -20.1 293 21 321.0 321.1 289.5 322.3 0.36 16 445 6688 -17.9 -42.9 9 25.0 -21.5 295 23 321.8 321.8 289.5 322.5 0.19 17 400 7480 -23.9 -29.9 58 6.0 -25.1 295 42 323.9 324.1 290.8 326.8 0.80 18 359 8256 -30.5 -32.7 81 2.2 -30.9 303 50 325.3 325.4 291.0 327.7 0.68 19 327 8909 -35.7 -39.2 70 3.5 -36.1 310 56 326.9 327.0 291.2 328.4 0.39 20 323 8994 -36.5 -42.5 54 6.0 -37.0 309 55 326.9 327.0 291.2 328.0 0.28 21 320 9059 -36.9 -53.9 16 17.0 -37.9 308 54 327.3 327.3 291.0 327.6 0.08 22 300 9500 -40.9 -54.9 21 14.0 -41.6 305 48 327.7 327.7 291.2 328.0 0.07 23 281 9944 -43.9 -59.9 15 16.0 -44.5 301 42 329.6 329.6 291.6 329.8 0.04 24 277 10041 -43.5 -62.5 11 19.0 -44.2 300 41 331.5 331.5 292.2 331.7 0.03 25 250 10730 -45.3 -67.3 7 22.0 -45.9 305 70 338.7 338.7 294.0 338.8 0.02 26 229 11315 -44.3 -74.3 2 30.0 -45.1 308 67 348.8 348.9 296.4 348.9 0.01 27 200 12210 -48.9 -76.9 2 28.0 -49.4 315 58 355.3 355.3 297.8 355.4 0.01 28 187 12650 -51.2 -78.0 3 26.8 -51.7 310 74 358.5 358.5 298.4 358.6 0.00 29 150 14060 -58.7 -81.7 4 23.0 -58.9 310 45 368.9 368.9 300.4 369.0 0.00 30 149 14102 -59.1 -82.1 4 23.0 -59.3 311 45 369.0 369.0 300.4 369.0 0.00 31 100 16550 -68.3 -87.3 5 19.0 -68.4 300 15 395.8 395.8 304.6 395.8 0.00 32 89 17244 -71.9 -87.9 7 16.0 -72.0 320 11 402.0 402.0 305.5 402.0 0.00 33 76 18175 -72.5 -89.5 6 17.0 -72.6 26 7 419.3 419.3 307.6 419.3 0.00 34 70 18660 -71.3 -89.3 5 18.0 -71.4 60 5 431.8 431.8 309.0 431.9 0.00 35 51 20559 -64.1 -88.1 2 24.0 -64.4 65 20 489.6 489.7 314.2 489.7 0.00 36 50 20680 -64.5 -88.5 2 24.0 -64.8 65 21 491.5 491.5 314.3 491.5 0.00 37 46 21188 -65.5 -88.5 3 23.0 -65.8 63 19 500.9 500.9 315.0 501.0 0.00 38 42 21749 -59.5 -87.5 1 28.0 -60.2 62 17 529.0 529.0 316.9 529.0 0.00 39 34 23079 -56.9 -85.9 1 29.0 -58.0 57 13 568.8 568.8 319.1 568.8 0.01 40 31 23663 -57.9 -85.9 2 28.0 -59.0 56 11 581.3 581.3 319.8 581.4 0.01 41 30 23870 -56.9 -85.9 1 29.0 -58.2 55 10 589.5 589.5 320.1 589.6 0.01 42 20 26480 -49.3 -81.3 1 32.0 -52.9 125 4 685.3 685.3 324.0 685.5 0.03 43 19 26816 -49.1 -81.1 1 32.0 -52.9 696.0 696.0 324.3 696.3 0.03 TRP 89 17244 -71.9 -87.9 7 16.0 -72.0 320 11 402.0 402.0 305.5 402.0 0.00 WND 187 12650 -51.2 -78.0 3 26.8 -51.7 310 74 358.5 358.5 298.4 358.6 0.00 Sounding variables and indices 1000-500 mb thick: 5653.00 m Freezing level: 625.95 mb = 4048.85 m = 13283.46 ft Wetbulb zero: 676.55 mb = 3407.55 m = 11179.49 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 61.66 % Est. max temperature: 25.61 C = 78.09 F Sfc-Lift cond lev (LCL): 986.48 mb = 264.41 m = 867.49 ft T: 20.15 C 700-500 lapse rate: 4.91 C/km ThetaE index: 8.56 C Layer 1000.0- 993.0 mb Conv cond level (CCL): 896.00 mb = 1086.38 m = 3564.21 ft Mean mixing ratio: 11.33 g/kg Conv temperature: 24.66 C = 76.39 F Cap Strength: 3.81 C Lifted Index: 2.48 C Risk: None Lifted Index @300 mb: 1.21 C Lifted Index @700 mb: -0.30 C Showalter Index: 3.18 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 20.90 C K Index: 31.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 193.60 Risk: None Energy Index: -0.69 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.88 J/kg Max Up Vert Vel: 6.46 m/s Conv Inhibition (B-): 13.99 J/kg Cap Strength: 3.77 C Lift Cond Lev (LCL): 918.25 mb = 878.94 m = 2883.63 ft Lev Free Conv (LFC): 853.25 mb = 1499.74 m = 4920.35 ft Equ Level (EL): 673.25 mb = 3446.89 m = 11308.55 ft B at Equ Level: 20.01 J/kg Max Parcel Lev (MPL): 633.25 mb = 3937.07 m = 12916.72 ft Wind level data Storm motion: 144 at 14 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 5 130 11 -8.4 7.1 | 6 4 -0.4 -3.9 1 1000 147 130 23 -17.6 14.8 | 112 10 -9.6 3.9 2 925 817 120 30 -26.0 15.0 | 103 18 -17.9 4.1 3 914 914 120 29 -25.1 14.5 | 102 17 -17.1 3.6 4 850 1532 120 24 -20.8 12.0 | 95 13 -12.7 1.1 5 790 2134 105 19 -18.4 4.9 | 60 12 -10.3 -6.0 6 762 2438 115 19 -17.2 8.0 | 72 10 -9.2 -2.9 7 700 3133 90 25 -25.0 0.0 | 57 20 -17.0 -10.9 8 681 3353 90 25 -25.0 0.0 | 57 20 -17.0 -10.9 9 630 3962 100 12 -11.8 2.1 | 23 10 -3.8 -8.8 10 607 4267 90 9 -9.0 0.0 | 5 11 -1.0 -10.9 11 562 4877 20 3 -1.0 -2.8 | 333 15 7.0 -13.8 12 541 5182 240 10 8.7 5.0 | 290 18 16.7 -5.9 13 520 5486 230 13 10.0 8.4 | 278 18 18.0 -2.6 14 501 5791 275 11 11.0 -1.0 | 302 22 19.0 -11.9 15 500 5800 270 16 16.0 -0.0 | 294 26 24.0 -10.9 16 481 6096 290 16 15.0 -5.5 | 305 28 23.1 -16.4 17 443 6706 295 23 20.8 -9.7 | 306 36 28.9 -20.7 18 426 7010 285 29 28.0 -7.5 | 297 40 36.0 -18.4 19 400 7480 295 42 38.1 -17.7 | 302 54 46.1 -28.7 20 330 8839 310 57 43.7 -36.6 | 313 70 51.7 -47.6 21 300 9500 305 48 39.3 -27.5 | 309 61 47.4 -38.5 22 276 10058 300 41 35.5 -20.5 | 306 54 43.5 -31.4 23 250 10730 305 70 57.3 -40.2 | 308 83 65.4 -51.1 24 241 10973 305 71 58.2 -40.7 | 308 84 66.2 -51.7 25 201 12192 315 55 38.9 -38.9 | 317 68 46.9 -49.8 26 200 12210 315 58 41.0 -41.0 | 317 71 49.0 -51.9 27 187 12650 310 74 56.7 -47.6 | 312 87 64.7 -58.5 28 183 12802 310 74 56.7 -47.6 | 312 87 64.7 -58.5 29 158 13716 290 54 50.7 -18.5 | 297 66 58.8 -29.4 30 151 14021 300 42 36.4 -21.0 | 306 55 44.4 -31.9 31 150 14060 310 45 34.5 -28.9 | 313 58 42.5 -39.9 32 144 14326 315 48 33.9 -33.9 | 317 61 42.0 -44.9 33 130 14935 300 52 45.0 -26.0 | 305 65 53.1 -36.9 34 124 15240 285 39 37.7 -10.1 | 295 50 45.7 -21.0 35 118 15545 305 34 27.9 -19.5 | 310 47 35.9 -30.4 36 100 16550 300 15 13.0 -7.5 | 311 28 21.0 -18.4 37 96 16764 285 23 22.2 -6.0 | 299 35 30.3 -16.9 38 89 17244 320 11 7.1 -8.4 | 322 25 15.1 -19.4 39 70 18660 60 5 -4.3 -2.5 | 345 14 3.7 -13.4 40 50 20680 65 21 -19.0 -8.9 | 29 23 -11.0 -19.8 41 30 23870 55 10 -8.2 -5.7 | 1 17 -0.2 -16.7 42 20 26480 125 4 -3.3 2.3 | 331 10 4.8 -8.6 Wind Parameters Mean winds (0-6000m): 113.7 at 18.1 knts Storm direction: 143.7 at 13.6 knts Shear (0-3000m) pos: 0.3 neg: 3.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 54.5 deg Storm rel helicity (0-3000m) pos: 15.3 neg: -51.0 tot: -35.6 m^2/s^2 ave: -11.9 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 7.9 stream: -0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.54 Bulk Shear: 5.90 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 ------------------------------------------------------------------------------- 500 128 23 106 10| 0.0 16.3 16.3| 10.1 -3.1 7.0 14.0 0.55| 18.2 9.9 1000 124 26 104 14| 0.0 9.0 9.0| 10.1 -10.9 -0.8 -0.8 0.34| 11.9 4.1 1500 123 26 102 14| 0.0 4.6 4.6| 10.1 -16.8 -6.7 -4.4 0.24| 9.3 2.2 2000 121 25 98 13| 0.0 2.7 2.7| 10.1 -36.4 -26.3 -13.2 0.01| 8.6 0.1 2500 119 24 93 13| 0.3 2.2 2.5| 15.3 -40.2 -24.8 -9.9 0.03| 7.8 0.2 3000 117 23 88 13| 0.3 3.0 3.3| 15.3 -51.0 -35.6 -11.9 -0.04| 7.9 -0.3 4000 111 23 77 13| 1.5 2.1 3.5| 15.3 -83.7 -68.3 -17.1 -0.17| 8.0 -1.4 5000 109 19 66 11| 1.2 1.4 2.6| 15.3-135.8-120.5 -24.1 -0.31| 8.2 -2.5 6000 114 18 67 9| 1.6 0.6 2.3| 70.5-210.0-139.5 -23.3 -0.28| 9.4 -2.6 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250423.23.gif