UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042411.upa.cvt Date: 1100Z 24 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 24 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 1016 5 19.8 19.0 95 0.8 19.3 125 18 291.6 294.1 291.8 330.4 13.73 1 1000 142 19.6 17.0 85 2.6 17.9 125 18 292.8 294.9 291.0 327.6 12.28 2 972 387 18.8 14.5 76 4.3 16.0 118 33 294.3 296.3 290.3 325.1 10.74 3 925 811 15.4 13.6 89 1.8 14.3 120 36 295.1 297.0 290.5 325.6 10.64 4 890 1138 13.0 12.7 98 0.3 12.8 116 33 295.8 297.7 290.5 325.9 10.42 5 850 1524 11.4 10.8 96 0.6 11.0 110 32 298.1 299.8 290.6 326.1 9.61 6 733 2750 5.2 5.2 100 0.0 5.2 90 22 304.2 305.6 290.9 327.0 7.59 7 700 3126 3.2 3.2 100 0.0 3.2 100 23 306.0 307.3 290.9 327.0 6.90 8 634 3923 -0.9 -0.9 100 0.0 -0.9 56 20 310.1 311.2 291.0 327.7 5.66 9 626 4024 -0.9 -3.3 84 2.4 -2.1 52 19 311.3 312.2 290.6 326.3 4.79 10 571 4752 -5.5 -10.5 68 5.0 -7.5 53 18 314.2 314.7 289.9 323.9 3.01 11 512 5598 -11.9 -14.4 82 2.5 -12.8 307 9 316.4 316.8 290.1 324.4 2.45 12 509 5643 -11.5 -15.7 71 4.2 -12.9 310 9 317.4 317.8 290.2 324.7 2.21 13 500 5780 -12.1 -18.1 61 6.0 -14.0 320 8 318.3 318.6 290.1 324.5 1.84 14 473 6201 -15.5 -23.5 50 8.0 -17.6 319 12 319.2 319.4 289.8 323.3 1.21 15 461 6394 -17.1 -20.8 73 3.7 -18.1 297 17 319.5 319.8 290.2 324.9 1.58 16 439 6759 -20.3 -26.3 59 6.0 -21.7 319 17 320.0 320.2 289.8 323.5 1.02 17 437 6792 -20.3 -30.3 40 10.0 -22.2 317 18 320.4 320.5 289.6 322.9 0.70 18 428 6946 -21.7 -26.3 66 4.6 -22.7 312 22 320.5 320.7 290.0 324.1 1.04 19 423 7032 -22.3 -30.3 48 8.0 -23.8 310 24 320.8 321.0 289.8 323.4 0.73 20 400 7440 -25.5 -33.5 47 8.0 -26.8 300 21 321.8 322.0 289.9 323.9 0.57 21 385 7716 -27.9 -33.9 56 6.0 -28.8 297 21 322.2 322.3 290.0 324.3 0.56 22 378 7847 -27.7 -50.7 9 23.0 -29.7 293 21 324.2 324.2 290.2 324.6 0.10 23 374 7924 -28.3 -53.3 7 25.0 -30.3 290 20 324.4 324.4 290.2 324.7 0.07 24 316 9106 -38.7 -56.7 13 18.0 -39.6 320 21 325.9 326.0 290.6 326.2 0.06 25 313 9171 -39.3 -55.3 17 16.0 -40.1 322 21 326.0 326.0 290.6 326.3 0.07 26 310 9237 -39.7 -43.3 68 3.6 -40.0 324 22 326.3 326.4 291.0 327.3 0.27 27 307 9303 -40.3 -43.8 69 3.5 -40.6 326 22 326.4 326.5 291.0 327.4 0.26 28 304 9370 -40.9 -48.9 42 8.0 -41.4 328 22 326.5 326.5 290.9 327.0 0.15 29 302 9415 -41.3 -46.3 58 5.0 -41.6 329 23 326.5 326.6 290.9 327.3 0.20 30 301 9437 -41.7 -66.7 5 25.0 -42.5 330 23 326.3 326.3 290.7 326.3 0.02 31 300 9460 -41.7 -61.7 10 20.0 -42.4 330 23 326.6 326.6 290.7 326.7 0.03 32 297 9528 -42.3 -47.2 59 4.9 -42.6 330 24 326.7 326.7 291.0 327.4 0.18 33 292 9643 -43.5 -49.5 51 6.0 -43.8 330 26 326.6 326.6 290.9 327.1 0.14 34 290 9690 -43.7 -63.7 9 20.0 -44.3 330 27 326.9 326.9 290.9 327.0 0.03 35 263 10343 -48.1 -62.1 18 14.0 -48.5 314 30 329.7 329.7 291.7 329.9 0.03 36 250 10680 -46.5 -70.5 5 24.0 -47.0 305 35 336.9 336.9 293.6 337.0 0.01 37 239 10977 -45.7 -72.7 3 27.0 -46.3 305 42 342.5 342.5 294.9 342.5 0.01 38 200 12150 -47.7 -76.7 2 29.0 -48.3 290 45 357.2 357.2 298.1 357.3 0.01 39 193 12385 -47.7 -76.7 2 29.0 -48.3 292 39 360.9 360.9 298.9 360.9 0.01 40 150 14020 -55.1 -82.1 2 27.0 -55.5 280 32 375.1 375.1 301.5 375.2 0.00 41 101 16470 -66.9 -86.9 4 20.0 -67.0 283 26 397.3 397.3 304.8 397.3 0.00 42 100 16530 -66.9 -86.9 4 20.0 -67.0 300 24 398.5 398.5 305.0 398.5 0.00 43 85 17504 -71.3 -88.3 6 17.0 -71.3 295 18 408.5 408.5 306.3 408.5 0.00 44 70 18660 -69.1 -88.1 5 19.0 -69.2 265 7 436.6 436.6 309.5 436.6 0.00 45 65 19104 -68.1 -88.1 4 20.0 -68.2 448.1 448.1 310.7 448.1 0.00 46 57 19889 -69.9 -89.9 4 20.0 -70.1 461.2 461.2 311.9 461.2 0.00 TRP 85 17504 -71.3 -88.3 6 17.0 -71.3 295 18 408.5 408.5 306.3 408.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5638.00 m Freezing level: 648.49 mb = 3747.92 m = 12296.18 ft Wetbulb zero: 648.77 mb = 3737.56 m = 12262.19 ft Precipitable water: 1.60 inches Sfc-500 mean rel hum: 88.60 % Est. max temperature: 25.38 C = 77.69 F Sfc-Lift cond lev (LCL): 1004.41 mb = 104.05 m = 341.36 ft T: 19.66 C 700-500 lapse rate: 5.76 C/km ThetaE index: 5.35 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 906.68 mb = 980.34 m = 3216.31 ft Mean mixing ratio: 11.26 g/kg Conv temperature: 23.67 C = 74.60 F Cap Strength: 1.19 C Lifted Index: 0.98 C Risk: Showers probable Lifted Index @300 mb: 1.00 C Lifted Index @700 mb: 0.25 C Showalter Index: 1.06 C Risk: Showers probable Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 22.90 C K Index: 34.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 201.60 Risk: None Energy Index: -0.37 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.88 J/kg Max Up Vert Vel: 6.14 m/s Conv Inhibition (B-): 107.70 J/kg Cap Strength: 1.19 C Lift Cond Lev (LCL): 926.13 mb = 800.59 m = 2626.58 ft Lev Free Conv (LFC): 441.13 mb = 6722.53 m = 22055.27 ft Equ Level (EL): 381.13 mb = 7788.28 m = 25551.80 ft B at Equ Level: 16.28 J/kg Max Parcel Lev (MPL): 351.13 mb = 8366.40 m = 27448.49 ft Wind level data Storm motion: 126 at 17 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 1016 5 125 18 -14.7 10.3 | 114 1 -0.8 0.4 1 1000 142 125 18 -14.7 10.3 | 114 1 -0.8 0.4 2 981 305 115 32 -29.0 13.5 | 103 16 -15.1 3.6 3 947 610 125 36 -29.5 20.6 | 124 19 -15.6 10.7 4 925 811 120 36 -31.2 18.0 | 115 19 -17.3 8.0 5 914 914 120 34 -29.4 17.0 | 114 17 -15.5 7.0 6 850 1524 110 32 -30.1 10.9 | 93 16 -16.2 1.0 7 819 1829 100 24 -23.6 4.2 | 59 11 -9.7 -5.8 8 789 2134 105 31 -29.9 8.0 | 83 16 -16.0 -1.9 9 761 2438 115 23 -20.8 9.7 | 88 7 -6.9 -0.2 10 733 2743 90 22 -22.0 0.0 | 39 13 -8.1 -10.0 11 707 3048 105 27 -26.1 7.0 | 76 13 -12.2 -3.0 12 700 3126 100 23 -22.7 4.0 | 56 11 -8.7 -6.0 13 680 3353 75 24 -23.2 -6.2 | 30 19 -9.3 -16.2 14 654 3658 85 25 -24.9 -2.2 | 42 16 -11.0 -12.1 15 630 3962 50 19 -14.6 -12.2 | 2 22 -0.6 -22.2 16 606 4267 65 20 -18.1 -8.5 | 13 19 -4.2 -18.4 17 583 4572 40 21 -13.5 -16.1 | 359 26 0.4 -26.0 18 561 4877 65 15 -13.6 -6.3 | 359 16 0.3 -16.3 19 539 5182 290 10 9.4 -3.4 | 300 27 23.3 -13.4 20 519 5486 300 10 8.7 -5.0 | 304 27 22.6 -15.0 21 500 5780 320 8 5.1 -6.1 | 310 25 19.1 -16.1 22 499 5791 320 10 6.4 -7.7 | 311 27 20.3 -17.6 23 479 6096 330 10 5.0 -8.7 | 315 27 18.9 -18.6 24 460 6401 295 17 15.4 -7.2 | 300 34 29.3 -17.1 25 442 6706 320 16 10.3 -12.3 | 313 33 24.2 -22.2 26 424 7010 310 24 18.4 -15.4 | 308 41 32.3 -25.4 27 400 7440 300 21 18.2 -10.5 | 303 38 32.1 -20.5 28 390 7620 300 22 19.1 -11.0 | 302 39 33.0 -21.0 29 373 7925 290 20 18.8 -6.8 | 297 37 32.7 -16.8 30 357 8230 295 15 13.6 -6.3 | 301 32 27.5 -16.3 31 300 9449 330 23 11.5 -19.9 | 320 39 25.4 -29.9 32 300 9460 330 23 11.5 -19.9 | 320 39 25.4 -29.9 33 274 10058 330 33 16.5 -28.6 | 322 49 30.4 -38.5 34 250 10668 295 27 24.5 -11.4 | 299 44 38.4 -21.4 35 250 10680 305 35 28.7 -20.1 | 305 52 42.6 -30.0 36 239 10973 305 42 34.4 -24.1 | 305 59 48.3 -34.1 37 218 11582 285 39 37.7 -10.1 | 291 55 51.6 -20.1 38 200 12150 290 45 42.3 -15.4 | 294 62 56.2 -25.4 39 199 12192 300 38 32.9 -19.0 | 302 55 46.8 -29.0 40 181 12802 275 42 41.8 -3.7 | 284 57 55.8 -13.6 41 165 13411 280 47 46.3 -8.2 | 287 63 60.2 -18.1 42 150 14020 280 32 31.5 -5.6 | 289 48 45.4 -15.5 43 150 14021 275 34 33.9 -3.0 | 285 50 47.8 -12.9 44 136 14630 295 36 32.6 -15.2 | 298 53 46.5 -25.2 45 101 16459 280 26 25.6 -4.5 | 290 42 39.5 -14.5 46 100 16530 300 24 20.8 -12.0 | 302 41 34.7 -22.0 47 96 16764 300 24 20.8 -12.0 | 302 41 34.7 -22.0 48 85 17504 295 18 16.3 -7.6 | 300 35 30.2 -17.6 49 70 18660 265 7 7.0 0.6 | 294 23 20.9 -9.4 Wind Parameters Mean winds (0-6000m): 95.6 at 22.8 knts Storm direction: 125.6 at 17.1 knts Shear (0-3000m) pos: 1.0 neg: 3.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): -42.8 deg Storm rel helicity (0-3000m) pos: 68.7 neg: -88.8 tot: -20.1 m^2/s^2 ave: -6.7 10^-3 m/s^2 rel: -0.10 Storm rel vorticity (0-3000m) horiz: 12.0 stream: -1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.21 Bulk Shear: 15.60 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 ------------------------------------------------------------------------------- 500 120 26 109 10| 0.0 17.2 17.2| 18.0 -2.9 15.1 30.2 0.14| 19.9 2.8 1000 121 31 115 14| 0.0 8.2 8.2| 28.0 -23.1 4.9 4.9 0.02| 14.1 0.3 1500 119 32 111 15| 0.0 5.3 5.3| 28.0 -44.6 -16.6 -11.1 -0.13| 11.1 -1.5 2000 115 30 103 14| 0.0 3.4 3.4| 37.0 -71.6 -34.6 -17.3 -0.20| 11.5 -2.3 2500 114 30 99 13| 1.2 2.7 4.0| 49.1 -76.0 -26.9 -10.8 -0.14| 11.8 -1.6 3000 112 29 93 13| 1.0 3.0 4.1| 68.7 -88.8 -20.1 -6.7 -0.10| 12.0 -1.2 4000 105 27 78 13| 0.8 3.1 3.9| 80.1-182.6-102.5 -25.6 -0.26| 12.7 -3.3 5000 98 26 60 13| 0.6 2.6 3.2| 98.8-268.8-170.1 -34.0 -0.29| 13.3 -3.9 6000 96 23 49 12| 0.3 2.1 2.4|142.2-375.4-233.2 -38.9 -0.31| 13.0 -4.0 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250424.11.gif