UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102911.upa.cvt Date: 1100Z 29 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 29 OCT 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 1015 5 21.0 18.2 84 2.8 19.1 55 7 292.9 295.2 291.7 330.0 13.06 1 1000 132 21.0 17.4 80 3.6 18.6 55 9 294.1 296.4 291.7 330.1 12.60 2 947 601 16.8 16.2 96 0.6 16.4 36 12 294.5 296.7 291.6 329.8 12.32 3 925 802 15.8 13.5 86 2.3 14.3 10 10 295.5 297.4 290.5 325.9 10.57 4 879 1234 13.2 11.0 87 2.2 11.9 293 9 297.1 298.8 290.1 324.5 9.42 5 864 1379 14.2 8.2 67 6.0 10.6 258 10 299.6 301.1 289.6 322.9 7.92 6 850 1517 13.6 6.6 63 7.0 9.6 225 11 300.4 301.7 289.3 321.7 7.21 7 812 1901 11.2 2.2 54 9.0 6.4 255 19 301.8 302.8 288.2 318.4 5.53 8 737 2700 3.6 -0.3 76 3.9 1.7 261 25 302.0 302.9 287.9 317.3 5.08 9 700 3117 2.0 -10.0 41 12.0 -2.8 265 29 304.7 305.2 286.3 312.7 2.55 10 684 3304 1.4 -18.6 21 20.0 -5.1 261 33 306.1 306.3 285.4 310.2 1.29 11 682 3327 1.8 -19.2 19 21.0 -5.0 261 33 306.8 307.0 285.6 310.8 1.23 12 672 3446 1.6 -32.4 6 34.0 -6.6 260 34 307.8 307.9 285.0 309.1 0.37 13 586 4536 -5.5 -33.5 9 28.0 -11.6 260 29 311.9 311.9 286.5 313.2 0.39 14 552 5005 -6.9 -35.9 8 29.0 -12.8 267 35 315.6 315.6 287.6 316.7 0.32 15 550 5033 -6.7 -34.7 9 28.0 -12.6 267 35 316.1 316.2 287.9 317.4 0.37 16 500 5770 -12.5 -30.5 21 18.0 -16.4 280 47 317.8 317.9 288.7 319.9 0.60 17 444 6661 -20.9 -32.9 33 12.0 -23.0 283 46 318.2 318.3 288.8 320.1 0.54 18 431 6880 -22.5 -36.5 27 14.0 -24.6 284 46 318.9 318.9 288.8 320.3 0.39 19 426 6966 -19.3 -53.3 3 34.0 -22.9 285 46 324.0 324.0 290.0 324.3 0.06 20 400 7430 -23.3 -51.3 6 28.0 -26.1 260 55 324.7 324.7 290.3 325.0 0.08 21 345 8490 -32.5 -53.5 11 21.0 -34.0 265 56 326.3 326.3 290.7 326.6 0.08 22 300 9460 -38.5 -61.5 7 23.0 -39.5 310 69 331.1 331.1 292.0 331.2 0.03 23 291 9669 -39.9 -61.9 8 22.0 -40.8 312 73 332.0 332.0 292.3 332.1 0.03 24 286 9788 -39.5 -64.5 5 25.0 -40.5 313 76 334.2 334.2 292.9 334.3 0.02 25 281 9909 -39.5 -47.5 42 8.0 -40.1 314 79 335.9 336.0 293.5 336.7 0.19 26 267 10258 -42.1 -48.1 52 6.0 -42.5 317 86 337.1 337.1 293.8 337.8 0.18 27 255 10567 -45.1 -50.1 57 5.0 -45.4 320 93 337.1 337.1 293.7 337.7 0.15 28 253 10620 -45.1 -53.3 39 8.2 -45.5 320 94 337.9 337.9 293.9 338.3 0.11 29 250 10700 -45.1 -58.1 22 13.0 -45.6 320 93 339.0 339.0 294.1 339.3 0.06 30 245 10835 -45.5 -76.5 2 31.0 -46.2 318 90 340.4 340.4 294.4 340.4 0.00 31 213 11765 -48.3 -75.3 3 27.0 -48.8 302 68 349.9 349.9 296.6 350.0 0.01 32 211 11827 -47.7 -76.7 2 29.0 -48.3 301 66 351.8 351.8 297.0 351.8 0.01 33 200 12180 -49.7 -77.7 2 28.0 -50.2 290 57 354.1 354.1 297.5 354.1 0.00 34 179 12894 -55.1 -79.1 4 24.0 -55.4 291 55 356.6 356.6 298.0 356.7 0.00 35 150 14010 -58.1 -83.1 3 25.0 -58.3 295 46 370.0 370.0 300.5 370.0 0.00 36 112 15808 -67.7 -85.7 6 18.0 -67.8 285 36 384.3 384.3 302.9 384.3 0.00 37 100 16490 -67.1 -87.1 4 20.0 -67.2 260 27 398.1 398.1 304.9 398.1 0.00 38 88 17255 -70.3 -88.3 5 18.0 -70.4 280 26 406.5 406.5 306.0 406.5 0.00 39 82 17676 -68.9 -88.9 4 20.0 -69.0 297 26 417.6 417.6 307.4 417.7 0.00 40 79 17902 -64.1 -89.1 2 25.0 -64.3 306 25 432.0 432.0 309.0 432.1 0.00 41 70 18640 -65.5 -89.5 2 24.0 -65.7 335 24 444.3 444.3 310.3 444.3 0.00 42 63 19279 -66.7 -90.7 2 24.0 -66.9 294 17 455.2 455.2 311.3 455.2 0.00 43 58 19785 -61.9 -89.9 1 28.0 -62.3 262 12 476.9 476.9 313.2 476.9 0.00 44 51 20578 -63.3 -90.3 1 27.0 -63.7 213 4 491.5 491.5 314.3 491.5 0.00 45 50 20700 -62.7 -90.7 1 28.0 -63.1 205 3 495.7 495.7 314.7 495.7 0.00 46 35 22932 -56.1 -88.1 1 32.0 -57.3 184 6 566.2 566.2 319.0 566.2 0.00 47 32 23496 -60.1 -90.1 1 30.0 -61.0 179 6 570.2 570.2 319.2 570.2 0.00 48 30 23900 -58.7 -89.7 1 31.0 -59.7 175 7 584.6 584.6 319.9 584.6 0.00 49 26 24803 -56.5 -88.5 1 32.0 -58.0 615.3 615.3 321.3 615.3 0.01 TRP 112 15808 -67.7 -85.7 6 18.0 -67.8 285 36 384.3 384.3 302.9 384.3 0.00 WND 253 10620 -45.1 -53.3 39 8.2 -45.5 320 94 337.9 337.9 293.9 338.3 0.11 Sounding variables and indices 1000-500 mb thick: 5638.00 m Freezing level: 652.62 mb = 3691.99 m = 12112.66 ft Wetbulb zero: 723.20 mb = 2852.67 m = 9359.02 ft Precipitable water: 1.09 inches Sfc-500 mean rel hum: 43.48 % Est. max temperature: 27.58 C = 81.64 F Sfc-Lift cond lev (LCL): 974.18 mb = 357.46 m = 1172.76 ft T: 18.98 C 700-500 lapse rate: 5.47 C/km ThetaE index: 19.89 C Layer 947.0- 682.0 mb Conv cond level (CCL): 917.99 mb = 866.37 m = 2842.40 ft Mean mixing ratio: 12.07 g/kg Conv temperature: 23.82 C = 74.88 F Cap Strength: 1.63 C Lifted Index: -0.80 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.38 C Lifted Index @700 mb: -2.00 C Showalter Index: 2.95 C Risk: Showers probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 19.10 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 148.20 Risk: None Energy Index: -0.30 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 242.99 J/kg Max Up Vert Vel: 22.04 m/s Conv Inhibition (B-): 37.66 J/kg Cap Strength: 1.59 C Lift Cond Lev (LCL): 934.68 mb = 713.13 m = 2339.63 ft Lev Free Conv (LFC): 789.68 mb = 2130.49 m = 6989.73 ft Equ Level (EL): 539.68 mb = 5179.48 m = 16992.83 ft B at Equ Level: 141.26 J/kg Max Parcel Lev (MPL): 259.68 mb = 10444.97 m = 34267.85 ft Wind level data Storm motion: 298 at 19 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 1015 5 55 7 -5.7 -4.0 | 102 23 -22.6 4.9 1 1000 132 55 9 -7.4 -5.2 | 99 25 -24.2 3.8 2 980 305 55 11 -9.0 -6.3 | 96 26 -25.9 2.6 3 946 610 35 12 -6.9 -9.8 | 88 24 -23.8 -0.9 4 925 802 10 10 -1.7 -9.8 | 87 19 -18.6 -0.9 5 913 914 10 6 -1.0 -5.9 | 100 18 -17.9 3.0 6 850 1517 225 11 7.8 7.8 | 151 19 -9.1 16.7 7 849 1524 225 10 7.1 7.1 | 149 19 -9.8 16.0 8 818 1829 255 19 18.4 4.9 | 186 14 1.5 13.9 9 789 2134 255 19 18.4 4.9 | 186 14 1.5 13.9 10 700 3117 265 29 28.9 2.5 | 226 17 12.0 11.5 11 679 3353 260 34 33.5 5.9 | 228 22 16.6 14.8 12 605 4267 260 31 30.5 5.4 | 224 20 13.7 14.3 13 582 4572 260 28 27.6 4.9 | 218 17 10.7 13.8 14 500 5770 280 47 46.3 -8.2 | 268 29 29.4 0.8 15 479 6096 280 47 46.3 -8.2 | 268 29 29.4 0.8 16 423 7010 285 46 44.4 -11.9 | 276 28 27.6 -3.0 17 400 7430 260 55 54.2 9.6 | 244 42 37.3 18.5 18 373 7925 260 58 57.1 10.1 | 245 45 40.2 19.0 19 342 8534 265 56 55.8 4.9 | 250 41 38.9 13.8 20 328 8839 280 51 50.2 -8.9 | 270 33 33.4 0.1 21 300 9449 310 68 52.1 -43.7 | 315 49 35.2 -34.8 22 300 9460 310 69 52.9 -44.4 | 315 50 36.0 -35.4 23 253 10620 320 94 60.4 -72.0 | 325 77 43.6 -63.1 24 251 10668 320 94 60.4 -72.0 | 325 77 43.6 -63.1 25 250 10700 320 93 59.8 -71.2 | 325 76 42.9 -62.3 26 209 11887 300 65 56.3 -32.5 | 301 46 39.4 -23.6 27 200 12180 290 57 53.6 -19.5 | 286 38 36.7 -10.6 28 200 12192 290 62 58.3 -21.2 | 287 43 41.4 -12.3 29 181 12802 290 54 50.7 -18.5 | 286 35 33.9 -9.5 30 157 13716 300 61 52.8 -30.5 | 301 42 36.0 -21.6 31 150 14010 295 46 41.7 -19.4 | 293 27 24.8 -10.5 32 136 14630 295 44 39.9 -18.6 | 293 25 23.0 -9.7 33 117 15545 265 45 44.8 3.9 | 245 31 28.0 12.9 34 112 15808 285 36 34.8 -9.3 | 271 18 17.9 -0.4 35 106 16154 290 35 32.9 -12.0 | 281 16 16.0 -3.0 36 100 16490 260 27 26.6 4.7 | 215 17 9.7 13.6 37 96 16764 260 27 26.6 4.7 | 215 17 9.7 13.6 38 70 18640 335 24 10.1 -21.8 | 28 14 -6.7 -12.8 39 50 20700 205 3 1.3 2.7 | 127 19 -15.6 11.7 40 30 23900 175 7 -0.6 7.0 | 132 24 -17.5 15.9 Wind Parameters Mean winds (0-6000m): 267.9 at 25.5 knts Storm direction: 297.9 at 19.1 knts Shear (0-3000m) pos: 3.4 neg: 3.1 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 120.0 deg Storm rel helicity (0-3000m) pos: 132.0 neg: -43.6 tot: 88.4 m^2/s^2 ave: 29.5 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 4.7 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 1.58 Bulk Shear: 153.64 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 52 10 96 25| 0.0 5.2 5.2| 0.0 -33.4 -33.4 -66.9 -0.76| 6.9 -5.2 1000 37 10 93 23| 0.0 3.9 3.9| 18.6 -43.6 -24.9 -24.9 -0.15| 10.0 -1.5 1500 29 9 92 21| 0.0 6.1 6.1| 54.0 -43.6 10.4 6.9 0.22| 13.1 2.8 2000 312 11 100 9| 2.7 4.6 7.3| 95.8 -43.6 52.2 26.1 0.37| 12.6 4.6 2500 274 13 154 9| 3.0 3.7 6.7|110.7 -43.6 67.1 26.9 0.42| 10.9 4.5 3000 268 15 169 10| 3.4 3.1 6.5|132.0 -43.6 88.4 29.5 0.47| 10.1 4.7 4000 264 20 193 11| 2.6 2.9 5.5|139.8 -49.9 89.9 22.5 0.41| 8.7 3.6 5000 263 22 203 12| 2.8 2.0 4.8|173.9 -59.9 114.0 22.8 0.42| 8.1 3.4 6000 268 25 221 13| 3.6 1.7 5.2|256.5 -59.9 196.7 32.8 0.48| 8.0 3.9 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251029.11.gif