UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050211.upa.cvt Date: 1100Z 2 MAY 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 2 MAY 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 1027 5 18.0 13.7 76 4.3 15.3 165 10 288.9 290.6 287.4 316.0 9.63 1 1020 64 18.2 12.2 68 6.0 14.6 166 12 289.7 291.3 286.9 314.5 8.78 2 1000 234 17.0 12.0 72 5.0 14.0 170 19 290.1 291.7 287.1 315.1 8.84 3 925 895 13.2 10.2 82 3.0 11.4 125 31 292.8 294.3 287.8 317.0 8.47 4 850 1601 7.8 4.6 80 3.2 6.1 120 31 294.3 295.4 286.2 312.5 6.26 5 812 1977 4.8 3.6 92 1.2 4.2 123 28 295.0 296.1 286.3 312.8 6.11 6 788 2221 4.4 -0.1 73 4.5 2.2 124 27 297.1 298.0 285.8 311.4 4.82 7 703 3142 -1.7 -1.9 99 0.2 -1.8 117 21 300.2 301.1 286.9 314.4 4.73 8 702 3153 -1.7 -2.0 98 0.3 -1.9 116 21 300.4 301.2 286.9 314.5 4.71 9 700 3176 -1.5 -2.0 96 0.5 -1.7 115 21 300.8 301.7 287.1 315.0 4.72 10 693 3256 -1.1 -2.7 89 1.6 -1.9 111 21 302.1 303.0 287.3 315.8 4.52 11 634 3959 -5.5 -9.5 73 4.0 -7.1 166 13 304.9 305.5 286.8 314.1 2.93 12 587 4557 -10.5 -12.1 88 1.6 -11.1 58 3 305.9 306.4 286.7 314.0 2.57 13 576 4702 -11.5 -14.5 78 3.0 -12.5 6 8 306.4 306.8 286.5 313.2 2.16 14 568 4809 -11.7 -18.7 56 7.0 -13.7 329 14 307.4 307.6 286.2 312.3 1.54 15 561 4904 -11.1 -39.1 8 28.0 -15.7 300 18 309.2 309.2 285.3 310.0 0.23 16 525 5410 -13.9 -50.9 3 37.0 -18.3 283 21 311.7 311.7 286.0 312.0 0.07 17 500 5780 -15.1 -58.1 1 43.0 -19.4 285 28 314.6 314.6 287.0 314.7 0.03 18 493 5886 -15.7 -58.7 1 43.0 -19.9 284 29 315.2 315.2 287.2 315.3 0.03 19 415 7162 -24.5 -57.5 3 33.0 -27.1 276 46 319.8 319.8 288.7 319.9 0.04 20 400 7430 -24.9 -61.9 2 37.0 -27.5 280 63 322.6 322.6 289.6 322.7 0.02 21 386 7688 -26.1 -64.1 2 38.0 -28.6 281 73 324.4 324.4 290.1 324.4 0.02 22 383 7744 -24.9 -63.9 1 39.0 -27.6 281 75 326.7 326.7 290.8 326.7 0.02 23 349 8416 -26.3 -49.3 10 23.0 -28.7 284 102 333.6 333.6 292.8 334.1 0.12 24 329 8839 -29.7 -40.7 34 11.0 -31.1 290 111 334.6 334.6 293.3 335.9 0.33 25 325 8926 -29.7 -64.7 2 35.0 -31.8 289 111 335.7 335.8 293.3 335.8 0.02 26 300 9490 -34.3 -61.3 5 27.0 -35.8 285 112 337.0 337.0 293.6 337.2 0.03 27 295 9608 -34.7 -61.7 5 27.0 -36.2 285 114 338.1 338.1 293.9 338.2 0.03 28 291 9704 -34.9 -53.9 13 19.0 -36.2 284 115 339.1 339.1 294.2 339.5 0.09 29 289 9753 -35.3 -45.3 35 10.0 -36.2 284 115 339.2 339.3 294.4 340.1 0.23 30 288 9777 -35.3 -41.3 54 6.0 -36.0 284 116 339.6 339.6 294.6 341.0 0.36 31 286 9826 -34.9 -47.9 25 13.0 -36.0 284 116 340.8 340.8 294.7 341.5 0.18 32 260 10490 -39.1 -44.1 59 5.0 -39.6 281 125 344.1 344.1 295.6 345.2 0.29 33 253 10678 -40.1 -54.1 21 14.0 -40.9 280 128 345.3 345.3 295.7 345.7 0.10 34 250 10760 -40.5 -51.5 30 11.0 -41.2 280 129 345.9 345.9 295.8 346.4 0.13 35 247 10842 -40.7 -51.7 30 11.0 -41.4 281 130 346.8 346.8 296.0 347.3 0.13 36 238 11093 -43.1 -52.1 37 9.0 -43.6 283 133 346.8 346.9 296.0 347.4 0.13 37 234 11207 -43.5 -59.5 15 16.0 -44.2 285 135 347.9 347.9 296.2 348.1 0.05 38 233 11235 -43.7 -59.5 16 15.8 -44.5 285 135 348.0 348.0 296.3 348.2 0.05 39 200 12240 -52.3 -61.3 33 9.0 -52.5 285 132 349.9 350.0 296.7 350.2 0.05 40 184 12774 -56.5 -65.5 31 9.0 -56.7 288 127 351.6 351.6 297.0 351.7 0.03 41 159 13684 -64.3 -66.9 70 2.6 -64.3 293 118 353.4 353.4 297.4 353.5 0.03 42 158 13723 -64.9 -68.0 65 3.1 -65.0 293 117 353.0 353.0 297.3 353.1 0.03 43 155 13840 -64.5 -75.5 21 11.0 -64.6 294 116 355.6 355.6 297.8 355.7 0.01 44 150 14040 -65.3 -77.3 17 12.0 -65.4 295 114 357.6 357.6 298.2 357.6 0.01 45 138 14542 -68.5 -81.5 14 13.0 -68.6 295 117 360.6 360.6 298.8 360.6 0.00 46 125 15137 -66.1 -84.1 6 18.0 -66.2 284 96 375.3 375.3 301.5 375.3 0.00 47 100 16480 -68.1 -88.1 4 20.0 -68.2 255 52 396.2 396.2 304.7 396.2 0.00 48 90 17111 -67.9 -87.9 4 20.0 -68.0 258 45 408.7 408.7 306.3 408.7 0.00 49 78 17960 -72.1 -90.1 5 18.0 -72.2 265 29 417.0 417.0 307.4 417.0 0.00 50 72 18438 -64.9 -88.9 2 24.0 -65.1 269 20 442.0 442.0 310.1 442.0 0.00 51 70 18610 -63.5 -88.5 2 25.0 -63.8 270 17 448.5 448.5 310.7 448.5 0.00 52 63 19260 -62.5 -88.5 2 26.0 -62.9 267 12 464.5 464.5 312.1 464.5 0.00 53 54 20207 -64.9 -89.9 2 25.0 -65.2 262 5 479.9 479.9 313.4 479.9 0.00 54 50 20680 -61.9 -89.9 1 28.0 -62.4 260 2 497.6 497.6 314.8 497.6 0.00 55 41 21908 -60.9 -88.9 1 28.0 -61.5 231 5 529.2 529.2 316.9 529.2 0.00 56 38 22377 -62.7 -89.7 1 27.0 -63.3 220 6 536.2 536.2 317.3 536.2 0.00 57 30 23860 -54.5 -87.5 1 33.0 -56.2 185 9 596.1 596.1 320.5 596.1 0.01 58 29 24078 -52.3 -86.3 1 34.0 -54.4 178 9 607.9 607.9 321.0 608.0 0.01 59 22 25870 -49.7 -84.7 1 35.0 -53.1 120 7 665.7 665.7 323.3 665.8 0.01 60 20 26490 -51.7 -85.7 1 34.0 -54.7 100 6 677.9 677.9 323.7 678.0 0.01 61 16 27952 -47.3 -84.3 1 37.0 -52.3 737.0 737.0 325.6 737.1 0.02 62 15 28378 -48.1 -83.1 1 35.0 -53.0 748.0 748.0 325.9 748.2 0.03 TRP 138 14542 -68.5 -81.5 14 13.0 -68.6 295 117 360.6 360.6 298.8 360.6 0.00 WND 233 11235 -43.7 -59.5 16 15.8 -44.5 285 135 348.0 348.0 296.3 348.2 0.05 Sounding variables and indices 1000-500 mb thick: 5546.00 m Freezing level: 726.69 mb = 2885.37 m = 9466.33 ft Wetbulb zero: 741.33 mb = 2713.79 m = 8903.40 ft Precipitable water: 1.07 inches Sfc-500 mean rel hum: 68.16 % Est. max temperature: 22.87 C = 73.16 F Sfc-Lift cond lev (LCL): 963.47 mb = 549.49 m = 1802.76 ft T: 15.19 C 700-500 lapse rate: 5.22 C/km ThetaE index: 4.54 C Layer 850.0- 812.0 mb Conv cond level (CCL): 877.69 mb = 1333.39 m = 4374.57 ft Mean mixing ratio: 8.72 g/kg Conv temperature: 22.86 C = 73.14 F Cap Strength: 2.19 C Lifted Index: 3.69 C Risk: None Lifted Index @300 mb: 15.43 C Lifted Index @700 mb: -0.11 C Showalter Index: 5.68 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 19.70 C K Index: 27.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 145.20 Risk: None Energy Index: 0.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.27 J/kg Max Up Vert Vel: 6.52 m/s Conv Inhibition (B-): 42.92 J/kg Cap Strength: 3.47 C Lift Cond Lev (LCL): 913.97 mb = 995.18 m = 3264.99 ft Lev Free Conv (LFC): 828.97 mb = 1806.75 m = 5927.60 ft Equ Level (EL): 788.97 mb = 2211.42 m = 7255.22 ft B at Equ Level: 12.08 J/kg Max Parcel Lev (MPL): 648.97 mb = 3774.65 m = 12383.88 ft Wind level data Storm motion: 169 at 16 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 1027 5 165 10 -2.6 9.7 | 355 6 0.6 -6.5 1 1000 234 170 19 -3.3 18.7 | 178 3 -0.1 2.6 2 992 305 165 25 -6.5 24.1 | 158 9 -3.3 8.0 3 957 610 160 25 -8.6 23.5 | 144 9 -5.4 7.4 4 925 895 125 31 -25.4 17.8 | 94 22 -22.2 1.7 5 923 914 125 31 -25.4 17.8 | 94 22 -22.2 1.7 6 890 1219 120 33 -28.6 16.5 | 91 25 -25.4 0.4 7 850 1601 120 31 -26.8 15.5 | 88 24 -23.7 -0.6 8 796 2134 125 27 -22.1 15.5 | 88 19 -18.9 -0.6 9 767 2438 120 27 -23.4 13.5 | 83 20 -20.2 -2.6 10 738 2743 135 24 -17.0 17.0 | 94 14 -13.8 0.9 11 700 3176 115 21 -19.0 8.9 | 65 17 -15.8 -7.2 12 684 3353 105 21 -20.3 5.4 | 58 20 -17.1 -10.7 13 658 3658 115 18 -16.3 7.6 | 57 16 -13.1 -8.5 14 632 3962 170 13 -2.3 12.8 | 344 3 0.9 -3.3 15 608 4267 160 9 -3.1 8.5 | 359 8 0.1 -7.7 16 584 4572 45 2 -1.4 -1.4 | 354 18 1.8 -17.5 17 562 4877 300 18 15.6 -9.0 | 323 31 18.8 -25.1 18 519 5486 280 21 20.7 -3.6 | 310 31 23.9 -19.8 19 500 5780 285 28 27.0 -7.2 | 308 38 30.2 -23.4 20 406 7315 275 48 47.8 -4.2 | 292 55 51.0 -20.3 21 400 7430 280 63 62.0 -10.9 | 293 71 65.2 -27.1 22 343 8534 285 107 103.4 -27.7 | 292 115 106.5 -43.8 23 329 8839 290 111 104.3 -38.0 | 297 120 107.5 -54.1 24 300 9490 285 112 108.2 -29.0 | 292 120 111.4 -45.1 25 250 10760 280 129 127.0 -22.4 | 286 136 130.2 -38.5 26 233 11235 285 135 130.4 -34.9 | 291 143 133.6 -51.1 27 232 11278 285 135 130.4 -34.9 | 291 143 133.6 -51.1 28 200 12240 285 132 127.5 -34.2 | 291 140 130.7 -50.3 29 150 14040 295 114 103.3 -48.2 | 301 124 106.5 -64.3 30 138 14542 295 117 106.0 -49.4 | 301 127 109.2 -65.6 31 136 14630 295 120 108.8 -50.7 | 301 130 111.9 -66.8 32 117 15545 275 77 76.7 -6.7 | 286 83 79.9 -22.8 33 111 15850 285 75 72.4 -19.4 | 295 84 75.6 -35.5 34 100 16480 255 52 50.2 13.5 | 273 53 53.4 -2.7 35 95 16764 255 52 50.2 13.5 | 273 53 53.4 -2.7 36 70 18610 270 17 17.0 -0.0 | 309 26 20.2 -16.1 37 50 20680 260 2 2.0 0.3 | 342 17 5.2 -15.8 38 30 23860 185 9 0.8 9.0 | 331 8 4.0 -7.2 39 20 26490 100 6 -5.9 1.0 | 10 15 -2.7 -15.1 Wind Parameters Mean winds (0-6000m): 138.8 at 21.9 knts Storm direction: 168.8 at 16.4 knts Shear (0-3000m) pos: 0.7 neg: 3.5 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 80.5 deg Storm rel helicity (0-3000m) pos: 12.9 neg: -98.0 tot: -85.2 m^2/s^2 ave: -28.4 10^-3 m/s^2 rel: -0.26 Storm rel vorticity (0-3000m) horiz: 10.4 stream: -2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.65 Bulk Shear: 12.91 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 ------------------------------------------------------------------------------- 500 166 20 150 4| 0.0 15.5 15.5| 0.3 -4.3 -4.0 -8.0 0.18| 19.6 3.5 1000 151 24 120 10| 0.0 12.9 12.9| 0.3 -57.9 -57.6 -57.6 -0.26| 20.1 -5.3 1500 138 27 105 15| 0.0 8.7 8.7| 0.3 -69.4 -69.1 -46.1 -0.28| 14.7 -4.1 2000 133 28 100 17| 1.0 6.5 7.6| 0.5 -71.4 -70.9 -35.5 -0.26| 12.0 -3.2 2500 131 27 96 18| 0.8 4.9 5.8| 3.6 -80.6 -77.0 -30.8 -0.26| 10.5 -2.8 3000 131 27 95 17| 0.7 3.5 4.2| 12.9 -98.0 -85.2 -28.4 -0.26| 10.4 -2.7 4000 129 25 88 16| 2.7 2.6 5.2| 14.7-129.4-114.6 -28.7 -0.30| 11.2 -3.4 5000 130 22 81 13| 2.1 2.4 4.5| 19.3-280.5-261.2 -52.2 -0.36| 13.2 -4.7 6000 139 22 92 11| 2.5 1.6 4.1| 19.3-358.6-339.3 -56.5 -0.38| 12.3 -4.7 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250502.11.gif