UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101023.upa.cvt Date: 2300Z 10 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 10 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 1017 5 25.4 18.4 65 7.0 20.6 20 9 297.1 299.5 293.2 335.3 13.20 1 1011 57 23.0 18.0 73 5.0 19.6 13 10 295.2 297.6 292.3 332.4 12.95 2 1000 154 22.0 17.6 76 4.4 19.1 360 12 295.1 297.4 292.2 331.8 12.76 3 941 680 18.2 15.5 84 2.7 16.4 308 14 296.5 298.6 291.9 330.7 11.85 4 925 828 18.8 12.8 68 6.0 15.0 315 17 298.5 300.4 291.2 328.0 10.09 5 917 903 19.6 11.6 60 8.0 14.6 311 19 300.1 301.8 291.0 327.7 9.39 6 850 1555 19.2 10.2 56 9.0 13.5 275 11 306.3 308.0 292.8 334.1 9.23 7 830 1760 18.6 8.6 52 10.0 12.4 290 11 307.7 309.3 292.7 333.5 8.48 8 815 1916 18.0 6.0 45 12.0 10.9 294 11 308.7 310.0 291.9 330.8 7.21 9 724 2914 8.6 5.1 79 3.5 6.6 286 17 309.0 310.5 292.3 332.4 7.63 10 711 3064 7.6 2.6 71 5.0 4.8 283 18 309.5 310.7 291.6 329.6 6.50 11 707 3111 8.6 -0.4 53 9.0 3.8 282 19 311.1 312.1 291.0 327.5 5.26 12 700 3193 8.2 0.2 57 8.0 3.9 280 20 311.6 312.6 291.4 328.9 5.55 13 675 3492 6.6 -1.4 57 8.0 2.4 279 20 313.0 314.0 291.5 329.1 5.12 14 659 3689 5.8 -4.2 49 10.0 0.9 278 19 314.3 315.1 291.1 327.8 4.25 15 636 3978 3.6 -13.4 28 17.0 -3.1 277 19 315.0 315.4 289.3 322.0 2.14 16 593 4542 -0.3 -14.3 34 14.0 -5.7 279 19 316.8 317.2 289.9 323.9 2.13 17 560 4997 -4.5 -9.5 68 5.0 -6.6 287 22 317.1 317.7 291.1 327.9 3.32 18 528 5458 -7.9 -16.9 48 9.0 -11.0 279 26 318.4 318.8 290.2 324.9 1.93 19 515 5651 -8.5 -12.8 71 4.3 -10.2 271 29 320.0 320.5 291.5 329.1 2.77 20 500 5880 -10.1 -15.1 67 5.0 -11.9 265 34 320.7 321.2 291.3 328.6 2.37 21 491 6020 -11.3 -18.3 56 7.0 -13.6 264 34 320.9 321.3 290.9 327.2 1.84 22 481 6177 -12.7 -16.6 73 3.9 -14.0 262 34 321.1 321.5 291.3 328.4 2.17 23 466 6418 -14.7 -22.7 51 8.0 -16.9 260 34 321.5 321.8 290.6 326.1 1.32 24 459 6532 -15.3 -20.3 66 5.0 -16.8 263 35 322.2 322.5 291.1 327.8 1.66 25 456 6582 -14.9 -17.3 82 2.4 -15.7 264 36 323.3 323.7 291.9 330.6 2.16 26 453 6632 -14.9 -18.6 73 3.7 -16.1 265 36 323.9 324.3 291.9 330.5 1.95 27 442 6817 -16.1 -21.1 65 5.0 -17.6 269 38 324.7 325.0 291.7 330.2 1.61 28 405 7469 -21.7 -23.0 89 1.3 -22.0 283 44 325.6 325.9 291.9 330.8 1.48 29 401 7542 -22.1 -24.8 79 2.7 -22.8 285 45 326.0 326.3 291.9 330.5 1.28 30 400 7560 -21.9 -26.6 66 4.7 -22.9 285 45 326.5 326.7 291.8 330.4 1.09 31 396 7634 -20.3 -43.3 11 23.0 -23.5 289 40 329.6 329.6 291.8 330.4 0.21 32 300 9630 -35.9 -55.9 11 20.0 -37.1 265 53 334.8 334.8 293.1 335.0 0.07 33 270 10353 -42.3 -57.3 18 15.0 -43.0 262 55 335.7 335.7 293.3 336.0 0.06 34 261 10582 -43.7 -64.7 8 21.0 -44.4 263 57 336.9 336.9 293.6 337.0 0.02 35 250 10870 -45.7 -65.7 9 20.0 -46.3 265 58 338.1 338.1 293.9 338.2 0.02 36 243 11058 -47.0 -66.3 9 19.4 -47.5 265 61 339.0 339.0 294.1 339.1 0.02 37 200 12320 -55.7 -70.7 14 15.0 -55.9 260 55 344.6 344.6 295.4 344.6 0.01 38 199 12352 -55.9 -70.9 14 15.0 -56.1 260 55 344.7 344.7 295.4 344.8 0.01 39 161 13681 -61.9 -79.9 7 18.0 -62.0 257 56 356.2 356.2 298.0 356.2 0.00 40 157 13837 -60.7 -82.7 4 22.0 -60.9 256 55 360.8 360.8 298.8 360.8 0.00 41 150 14120 -61.9 -82.9 4 21.0 -62.0 260 49 363.4 363.4 299.4 363.5 0.00 42 124 15281 -64.7 -84.7 5 20.0 -64.8 270 42 378.7 378.7 302.1 378.7 0.00 43 100 16560 -72.9 -85.9 12 13.0 -72.9 245 28 386.9 386.9 303.3 386.9 0.00 44 94 16922 -74.3 -86.3 14 12.0 -74.3 255 32 391.0 391.0 303.9 391.0 0.00 45 88 17310 -70.7 -87.7 6 17.0 -70.8 246 26 405.7 405.7 306.0 405.7 0.00 46 80 17872 -72.9 -87.9 9 15.0 -73.0 233 17 412.4 412.4 306.8 412.4 0.00 47 73 18410 -72.1 -89.1 6 17.0 -72.2 221 8 425.0 425.0 308.3 425.0 0.00 48 70 18660 -67.9 -89.9 3 22.0 -68.1 215 4 439.1 439.1 309.8 439.1 0.00 49 69 18747 -67.5 -89.5 3 22.0 -67.7 209 5 441.8 441.8 310.1 441.8 0.00 50 62 19392 -68.7 -89.7 3 21.0 -68.8 165 9 452.9 452.9 311.1 452.9 0.00 51 50 20700 -63.9 -89.9 2 26.0 -64.3 75 18 492.9 492.9 314.4 492.9 0.00 52 37 22564 -59.3 -88.3 1 29.0 -60.1 87 27 549.0 549.0 318.1 549.1 0.00 53 33 23277 -61.5 -88.5 2 27.0 -62.2 91 30 561.5 561.5 318.7 561.5 0.00 54 30 23870 -59.7 -88.7 1 29.0 -60.6 95 33 581.9 581.9 319.8 581.9 0.00 55 21 26127 -52.9 -85.9 1 33.0 -55.5 91 40 664.9 664.9 323.2 665.0 0.01 56 20 26440 -53.5 -85.5 1 32.0 -56.1 90 41 672.4 672.4 323.5 672.5 0.01 57 18 27118 -53.3 -85.3 1 32.0 -56.1 693.6 693.6 324.2 693.7 0.02 TRP 94 16922 -74.3 -86.3 14 12.0 -74.3 255 32 391.0 391.0 303.9 391.0 0.00 WND 243 11058 -47.0 -66.3 9 19.4 -47.5 265 61 339.0 339.0 294.1 339.1 0.02 Sounding variables and indices 1000-500 mb thick: 5726.00 m Freezing level: 596.31 mb = 4499.04 m = 14760.46 ft Wetbulb zero: 653.89 mb = 3752.26 m = 12310.42 ft Precipitable water: 1.49 inches Sfc-500 mean rel hum: 57.49 % Est. max temperature: 32.96 C = 91.33 F Sfc-Lift cond lev (LCL): 918.18 mb = 891.62 m = 2925.22 ft T: 19.48 C 700-500 lapse rate: 6.81 C/km ThetaE index: 7.58 C Layer 1011.0- 850.0 mb Conv cond level (CCL): 759.01 mb = 2515.95 m = 8254.31 ft Mean mixing ratio: 11.97 g/kg Conv temperature: 37.27 C = 99.09 F Cap Strength: 7.14 C Lifted Index: 0.72 C Risk: Showers probable Lifted Index @300 mb: 3.81 C Lifted Index @700 mb: 3.55 C Showalter Index: -0.74 C Risk: Thunderstorms probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 20.30 C K Index: 31.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 190.40 Risk: None Energy Index: -1.06 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.63 J/kg Max Up Vert Vel: 5.41 m/s Conv Inhibition (B-): 605.45 J/kg Cap Strength: 7.09 C Lift Cond Lev (LCL): 908.19 mb = 985.69 m = 3233.84 ft Lev Free Conv (LFC): 473.19 mb = 6301.57 m = 20674.18 ft Equ Level (EL): 453.19 mb = 6628.75 m = 21747.61 ft B at Equ Level: 11.13 J/kg Max Parcel Lev (MPL): 433.19 mb = 6967.44 m = 22858.76 ft Wind level data Storm motion: 315 at 13 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 20 9 -3.1 -8.5 | 95 13 -12.5 1.0 1 1000 154 360 12 -0.0 -12.0 | 75 10 -9.5 -2.5 2 949 610 305 12 9.8 -6.9 | 188 3 0.4 2.6 3 925 828 315 17 12.0 -12.0 | 315 4 2.6 -2.5 4 916 914 310 19 14.6 -12.2 | 298 6 5.1 -2.7 5 884 1219 285 16 15.5 -4.1 | 228 8 6.0 5.4 6 850 1555 275 11 11.0 -1.0 | 190 9 1.5 8.5 7 823 1829 295 11 10.0 -4.6 | 186 5 0.5 4.8 8 794 2134 290 12 11.3 -4.1 | 199 6 1.8 5.4 9 765 2438 295 11 10.0 -4.6 | 186 5 0.5 4.8 10 700 3193 280 20 19.7 -3.5 | 240 12 10.2 6.0 11 686 3353 280 20 19.7 -3.5 | 240 12 10.2 6.0 12 612 4267 275 18 17.9 -1.6 | 227 12 8.5 7.9 13 546 5182 290 23 21.6 -7.9 | 262 12 12.2 1.6 14 506 5791 265 31 30.9 2.7 | 240 25 21.4 12.2 15 500 5880 265 34 33.9 3.0 | 243 27 24.4 12.5 16 467 6401 260 34 33.5 5.9 | 237 29 24.0 15.4 17 400 7560 285 45 43.5 -11.6 | 274 34 34.0 -2.2 18 397 7620 290 40 37.6 -13.7 | 278 28 28.1 -4.2 19 364 8230 265 47 46.8 4.1 | 250 40 37.4 13.6 20 321 9144 280 52 51.2 -9.0 | 269 42 41.8 0.5 21 300 9630 265 53 52.8 4.6 | 252 46 43.3 14.1 22 282 10058 260 54 53.2 9.4 | 247 48 43.7 18.9 23 250 10870 265 58 57.8 5.1 | 253 50 48.3 14.5 24 243 11058 265 61 60.8 5.3 | 254 53 51.3 14.8 25 235 11278 265 61 60.8 5.3 | 254 53 51.3 14.8 26 214 11887 255 54 52.2 14.0 | 241 49 42.7 23.5 27 200 12320 260 55 54.2 9.6 | 247 49 44.7 19.0 28 168 13411 270 53 53.0 -0.0 | 258 45 43.5 9.5 29 160 13716 255 57 55.1 14.8 | 242 52 45.6 24.2 30 150 14120 260 49 48.3 8.5 | 245 43 38.8 18.0 31 113 15850 275 38 37.9 -3.3 | 258 29 28.4 6.2 32 107 16154 270 38 38.0 -0.0 | 252 30 28.5 9.5 33 102 16459 240 34 29.4 17.0 | 217 33 20.0 26.5 34 100 16560 245 28 25.4 11.8 | 217 27 15.9 21.3 35 97 16764 245 28 25.4 11.8 | 217 27 15.9 21.3 36 94 16922 255 32 30.9 8.3 | 230 28 21.5 17.8 37 70 18660 215 4 2.3 3.3 | 151 15 -7.2 12.8 38 50 20700 75 18 -17.4 -4.7 | 100 27 -26.8 4.8 39 30 23870 95 33 -32.9 2.9 | 106 44 -42.3 12.4 40 20 26440 90 41 -41.0 0.0 | 101 51 -50.5 9.5 Wind Parameters Mean winds (0-6000m): 285.1 at 17.9 knts Storm direction: 315.1 at 13.4 knts Shear (0-3000m) pos: 0.6 neg: 3.9 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 141.2 deg Storm rel helicity (0-3000m) pos: 13.9 neg: -38.8 tot: -24.9 m^2/s^2 ave: -8.3 10^-3 m/s^2 rel: -0.08 Storm rel vorticity (0-3000m) horiz: 8.6 stream: -0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.43 Bulk Shear: 34.14 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 ------------------------------------------------------------------------------- 500 347 12 76 7| 0.0 11.5 11.5| 1.3 -12.0 -10.7 -21.3 -0.16| 13.9 -2.3 1000 325 13 49 2| 0.0 9.5 9.5| 4.3 -16.5 -12.2 -12.2 0.06| 13.8 0.8 1500 311 14 256 1| 0.0 5.6 5.6| 4.3 -35.5 -31.2 -20.8 -0.22| 12.7 -2.8 2000 306 13 218 2| 0.8 4.2 5.0| 5.1 -37.6 -32.5 -16.2 -0.21| 10.7 -2.2 2500 303 13 210 3| 0.7 3.4 4.1| 6.6 -38.8 -32.3 -12.9 -0.19| 9.0 -1.8 3000 300 13 215 4| 0.6 3.9 4.5| 13.9 -38.8 -24.9 -8.3 -0.08| 8.6 -0.7 4000 292 15 228 6| 0.5 3.1 3.6| 15.8 -44.6 -28.8 -7.2 -0.10| 7.0 -0.7 5000 289 16 232 7| 0.8 2.5 3.3| 33.3 -46.3 -13.0 -2.6 -0.00| 6.3 -0.0 6000 285 18 238 9| 0.7 3.5 4.1| 43.4 -83.4 -40.0 -6.7 -0.07| 6.8 -0.5 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251010.23.gif