UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100923.upa.cvt Date: 2300Z 9 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 9 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 1020 5 25.0 20.0 74 5.0 21.5 345 5 296.5 299.1 294.0 338.5 14.58 1 1015 47 22.8 19.3 81 3.5 20.4 351 6 294.7 297.2 293.0 334.8 14.01 2 1000 174 21.2 19.3 89 1.9 19.9 10 9 294.4 296.9 293.0 335.0 14.23 3 930 799 16.4 15.6 95 0.8 15.9 346 13 295.6 297.8 291.8 330.3 12.07 4 925 845 16.0 14.4 90 1.6 15.0 345 13 295.7 297.7 291.2 328.0 11.22 5 891 1163 14.2 13.3 94 0.9 13.6 357 16 297.0 299.0 291.3 328.4 10.83 6 870 1366 17.6 6.6 48 11.0 11.2 27 15 302.6 303.9 289.9 323.6 7.04 7 864 1425 17.2 8.2 55 9.0 11.8 37 14 302.7 304.2 290.7 326.4 7.92 8 850 1565 17.0 7.0 52 10.0 11.1 55 11 304.0 305.3 290.6 326.2 7.41 9 810 1975 16.0 0.0 34 16.0 7.5 19 13 307.1 308.0 289.3 321.7 4.72 10 801 2071 17.0 -18.0 8 35.0 3.7 5 11 309.2 309.4 286.4 313.0 1.16 11 782 2275 17.0 -1.0 29 18.0 7.4 337 10 311.3 312.2 290.5 325.6 4.55 12 710 3090 10.6 0.6 50 10.0 5.1 262 14 313.0 314.0 291.9 330.6 5.63 13 700 3208 9.8 -1.2 46 11.0 4.0 270 13 313.3 314.3 291.5 329.1 5.01 14 645 3880 3.8 -9.2 38 13.0 -1.9 267 16 314.0 314.5 289.8 323.5 2.95 15 611 4317 0.2 -7.8 55 8.0 -3.4 259 19 314.7 315.4 290.5 325.9 3.48 16 500 5890 -11.3 -12.8 89 1.5 -11.9 250 24 319.3 319.8 291.3 328.7 2.86 17 494 5983 -12.1 -13.6 89 1.5 -12.6 254 25 319.4 319.9 291.2 328.4 2.71 18 485 6124 -11.9 -18.9 56 7.0 -14.1 261 27 321.3 321.7 291.0 327.3 1.77 19 449 6714 -14.7 -32.7 20 18.0 -18.4 290 35 325.0 325.1 290.9 326.9 0.54 20 442 6833 -15.5 -35.5 16 20.0 -19.3 290 35 325.4 325.5 290.9 327.0 0.42 21 412 7361 -20.3 -23.9 73 3.6 -21.2 287 36 325.8 326.1 291.9 330.6 1.35 22 400 7580 -22.5 -25.2 79 2.7 -23.1 270 40 325.7 326.0 291.7 330.1 1.23 23 391 7746 -23.9 -26.3 81 2.4 -24.4 268 41 326.0 326.3 291.7 330.1 1.14 24 360 8345 -26.7 -53.7 6 27.0 -29.0 270 46 330.1 330.1 291.8 330.4 0.07 25 358 8385 -26.9 -52.9 7 26.0 -29.2 271 47 330.3 330.4 291.9 330.7 0.08 26 328 9008 -32.1 -52.1 12 20.0 -33.6 279 51 331.6 331.6 292.2 331.9 0.09 27 324 9095 -33.1 -44.1 32 11.0 -34.2 280 52 331.3 331.4 292.3 332.3 0.24 28 319 9204 -33.7 -56.7 8 23.0 -35.1 282 53 332.0 332.0 292.3 332.2 0.06 29 300 9630 -37.7 -48.7 31 11.0 -38.5 285 57 332.2 332.3 292.5 332.8 0.15 30 299 9653 -37.7 -48.7 31 11.0 -38.5 285 57 332.5 332.6 292.6 333.2 0.15 31 291 9840 -39.5 -54.5 19 15.0 -40.3 283 58 332.6 332.6 292.5 332.9 0.08 32 274 10251 -42.1 -64.1 7 22.0 -42.9 280 59 334.6 334.6 293.0 334.7 0.03 33 261 10580 -43.3 -66.3 6 23.0 -44.0 277 60 337.5 337.5 293.7 337.6 0.02 34 250 10870 -44.3 -68.3 5 24.0 -45.0 275 61 340.2 340.2 294.4 340.3 0.02 35 208 12078 -52.5 -69.9 10 17.4 -52.9 260 75 345.7 345.7 295.7 345.7 0.01 36 200 12330 -54.3 -70.3 12 16.0 -54.6 260 74 346.8 346.8 295.9 346.8 0.01 37 178 13067 -59.9 -72.9 17 13.0 -60.0 262 66 349.4 349.4 296.5 349.4 0.01 38 150 14130 -61.9 -82.9 4 21.0 -62.0 265 54 363.4 363.4 299.4 363.5 0.00 39 121 15435 -70.3 -85.3 9 15.0 -70.4 260 51 371.1 371.1 300.8 371.1 0.00 40 100 16560 -73.5 -86.5 12 13.0 -73.5 265 24 385.7 385.7 303.2 385.7 0.00 41 99 16619 -73.5 -86.5 12 13.0 -73.5 265 25 386.8 386.8 303.3 386.8 0.00 42 71 18576 -70.7 -89.7 4 19.0 -70.8 322 14 431.4 431.4 309.0 431.4 0.00 43 70 18660 -69.9 -88.9 5 19.0 -70.0 325 14 434.8 434.8 309.3 434.9 0.00 44 56 20012 -62.7 -89.7 1 27.0 -63.1 25 13 479.9 479.9 313.4 479.9 0.00 45 50 20710 -62.9 -89.9 1 27.0 -63.3 55 12 495.3 495.3 314.6 495.3 0.00 46 38 22407 -60.1 -89.1 1 29.0 -60.9 71 25 542.8 542.8 317.7 542.8 0.00 47 36 22743 -61.1 -89.1 1 28.0 -61.8 74 28 548.7 548.7 318.0 548.7 0.00 48 30 23880 -58.5 -89.5 1 31.0 -59.6 85 37 585.2 585.2 319.9 585.2 0.00 49 20 26460 -52.5 -87.5 1 35.0 -55.3 85 32 675.5 675.5 323.6 675.5 0.01 50 18 27144 -50.5 -86.5 1 36.0 -54.1 702.4 702.5 324.5 702.5 0.01 TRP 99 16619 -73.5 -86.5 12 13.0 -73.5 265 25 386.8 386.8 303.3 386.8 0.00 WND 208 12078 -52.5 -69.9 10 17.4 -52.9 260 75 345.7 345.7 295.7 345.7 0.01 Sounding variables and indices 1000-500 mb thick: 5716.00 m Freezing level: 609.07 mb = 4344.17 m = 14252.37 ft Wetbulb zero: 662.41 mb = 3661.12 m = 12011.39 ft Precipitable water: 1.41 inches Sfc-500 mean rel hum: 60.03 % Est. max temperature: 31.13 C = 88.04 F Sfc-Lift cond lev (LCL): 948.32 mb = 631.01 m = 2070.23 ft T: 17.69 C 700-500 lapse rate: 7.87 C/km ThetaE index: 13.39 C Layer 850.0- 782.0 mb Conv cond level (CCL): 940.12 mb = 705.81 m = 2315.63 ft Mean mixing ratio: 13.16 g/kg Conv temperature: 23.97 C = 75.15 F Cap Strength: 7.17 C Lifted Index: -1.36 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.83 C Lifted Index @700 mb: 4.51 C Showalter Index: 1.81 C Risk: Showers probable Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 18.30 C K Index: 24.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 130.00 Risk: None Energy Index: 0.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 71.28 J/kg Max Up Vert Vel: 11.94 m/s Conv Inhibition (B-): 1.24 J/kg Cap Strength: 6.99 C Lift Cond Lev (LCL): 946.19 mb = 650.33 m = 2133.59 ft Lev Free Conv (LFC): 931.19 mb = 787.95 m = 2585.10 ft Equ Level (EL): 881.19 mb = 1257.28 m = 4124.87 ft B at Equ Level: 7.31 J/kg Max Parcel Lev (MPL): 871.19 mb = 1354.45 m = 4443.69 ft Wind level data Storm motion: 308 at 12 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 1020 5 345 5 1.3 -4.8 | 108 9 -8.3 2.7 1 1000 174 10 9 -1.6 -8.9 | 83 11 -11.1 -1.3 2 951 610 350 14 2.4 -13.8 | 49 9 -7.1 -6.2 3 925 845 345 13 3.4 -12.6 | 51 8 -6.2 -5.0 4 917 914 345 14 3.6 -13.5 | 45 8 -5.9 -6.0 5 885 1219 360 17 -0.0 -17.0 | 45 13 -9.5 -9.5 6 854 1524 55 12 -9.8 -6.9 | 92 19 -19.4 0.7 7 850 1565 55 11 -9.0 -6.3 | 94 19 -18.6 1.2 8 824 1829 40 15 -9.6 -11.5 | 78 20 -19.2 -3.9 9 795 2134 355 10 0.9 -10.0 | 74 9 -8.7 -2.4 10 740 2743 275 12 12.0 -1.0 | 200 7 2.4 6.5 11 713 3048 260 14 13.8 2.4 | 203 11 4.2 10.0 12 700 3208 270 13 13.0 -0.0 | 205 8 3.5 7.5 13 687 3353 275 13 13.0 -1.1 | 208 7 3.4 6.4 14 613 4267 260 19 18.7 3.3 | 220 14 9.2 10.8 15 568 4877 240 27 23.4 13.5 | 213 25 13.8 21.0 16 526 5486 245 20 18.1 8.5 | 208 18 8.6 16.0 17 500 5890 250 24 22.6 8.2 | 220 20 13.0 15.8 18 449 6706 290 35 32.9 -12.0 | 281 24 23.3 -4.4 19 414 7315 290 35 32.9 -12.0 | 281 24 23.3 -4.4 20 400 7580 270 40 40.0 -0.0 | 256 31 30.5 7.5 21 381 7925 265 43 42.8 3.7 | 251 35 33.3 11.3 22 308 9449 285 55 53.1 -14.2 | 279 44 43.6 -6.7 23 300 9630 285 57 55.1 -14.8 | 279 46 45.5 -7.2 24 250 10870 275 61 60.8 -5.3 | 268 51 51.2 2.2 25 208 12078 260 75 73.9 13.0 | 252 68 64.3 20.6 26 204 12192 260 75 73.9 13.0 | 252 68 64.3 20.6 27 200 12330 260 74 72.9 12.8 | 252 67 63.3 20.4 28 150 14130 265 54 53.8 4.7 | 255 46 44.2 12.3 29 138 14630 270 53 53.0 -0.0 | 260 44 43.5 7.5 30 113 15850 255 50 48.3 12.9 | 242 44 38.7 20.5 31 100 16560 265 24 23.9 2.1 | 236 17 14.4 9.6 32 99 16619 265 25 24.9 2.2 | 238 18 15.4 9.7 33 97 16764 265 24 23.9 2.1 | 236 17 14.4 9.6 34 70 18660 325 14 8.0 -11.5 | 21 4 -1.5 -3.9 35 50 20710 55 12 -9.8 -6.9 | 92 19 -19.4 0.7 36 30 23880 85 37 -36.9 -3.2 | 95 47 -46.4 4.3 37 20 26460 85 32 -31.9 -2.8 | 97 42 -41.4 4.8 Wind Parameters Mean winds (0-6000m): 278.3 at 16.2 knts Storm direction: 308.3 at 12.2 knts Shear (0-3000m) pos: 2.1 neg: 4.4 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 95.0 deg Storm rel helicity (0-3000m) pos: 62.4 neg: -61.0 tot: 1.4 m^2/s^2 ave: 0.5 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 0.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.71 Bulk Shear: 41.76 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 1 10 78 10| 8.1 0.0 8.1| 0.0 -22.8 -22.8 -45.7 -0.91| 9.8 -8.9 1000 353 12 64 9| 4.1 1.3 5.3| 0.4 -28.9 -28.5 -28.5 -0.75| 7.6 -5.7 1500 359 13 61 11| 4.3 0.8 5.1| 56.1 -28.9 27.2 18.2 0.06| 11.0 0.7 2000 9 13 66 13| 3.2 2.6 5.9| 59.3 -60.1 -0.8 -0.4 -0.09| 11.3 -1.0 2500 5 12 65 12| 2.6 4.2 6.8| 61.1 -61.0 0.1 0.0 -0.02| 11.8 -0.3 3000 353 12 59 9| 2.1 4.4 6.6| 62.4 -61.0 1.4 0.5 0.01| 11.5 0.2 4000 326 13 36 4| 1.6 3.8 5.4| 68.3 -61.0 7.2 1.8 0.05| 9.7 0.4 5000 295 15 253 4| 1.3 4.0 5.3| 68.7 -76.8 -8.0 -1.6 0.01| 9.2 0.1 6000 278 16 231 8| 1.2 3.3 4.5|102.9 -84.7 18.2 3.0 0.06| 8.8 0.5 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251009.23.gif