UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110823.upa.cvt Date: 2300Z 8 NOV 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 8 NOV 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 1009 5 25.2 19.2 69 6.0 21.1 255 6 297.6 300.1 293.9 338.2 14.01 1 1000 83 24.2 17.2 65 7.0 19.5 305 6 297.4 299.6 292.6 333.4 12.44 2 970 349 22.6 14.6 61 8.0 17.4 285 11 298.3 300.3 291.7 329.9 10.83 3 956 476 23.0 12.0 50 11.0 16.0 285 13 300.0 301.7 290.9 327.2 9.25 4 925 763 22.6 9.6 44 13.0 14.6 280 18 302.4 303.9 290.7 326.6 8.13 5 907 934 22.0 8.0 41 14.0 13.6 286 16 303.5 304.9 290.5 325.8 7.44 6 850 1493 17.0 7.0 52 10.0 11.1 305 11 304.0 305.3 290.6 326.2 7.41 7 804 1964 12.4 6.4 67 6.0 8.9 301 9 303.9 305.3 290.7 326.5 7.52 8 758 2455 9.4 4.9 73 4.5 6.8 309 17 305.9 307.2 291.0 327.6 7.18 9 748 2566 10.8 2.8 58 8.0 6.3 300 21 308.5 309.7 291.1 327.8 6.27 10 725 2826 9.6 1.6 57 8.0 5.2 276 26 310.0 311.1 291.2 328.4 5.93 11 700 3116 6.8 0.8 66 6.0 3.6 245 22 310.0 311.1 291.2 328.0 5.80 12 641 3832 0.6 -1.9 83 2.5 -0.7 283 18 310.9 311.9 290.9 327.1 5.20 13 546 5104 -6.3 -6.3 100 0.0 -6.3 291 43 317.3 318.1 292.1 331.4 4.38 14 500 5790 -9.1 -9.1 100 0.0 -9.1 300 47 321.9 322.7 293.0 334.6 3.84 15 465 6350 -11.5 -12.1 95 0.6 -11.8 302 50 325.7 326.4 293.5 336.6 3.25 16 413 7250 -17.9 -18.0 99 0.1 -17.9 293 56 328.7 329.2 293.4 336.5 2.25 17 412 7268 -17.3 -21.7 69 4.4 -18.6 292 56 329.7 330.0 293.2 335.5 1.64 18 409 7323 -17.1 -21.3 70 4.2 -18.3 292 56 330.7 331.0 293.5 336.7 1.71 19 400 7490 -18.3 -21.7 75 3.4 -19.3 290 57 331.2 331.5 293.6 337.2 1.69 20 343 8618 -27.5 -28.8 89 1.3 -27.8 282 68 333.6 333.8 293.7 337.4 1.03 21 300 9570 -34.1 -39.1 61 5.0 -34.7 275 86 337.3 337.4 294.1 339.0 0.43 22 273 10222 -40.3 -41.8 85 1.5 -40.4 272 91 337.5 337.6 294.0 338.9 0.36 23 265 10424 -41.7 -45.4 67 3.7 -42.0 271 92 338.4 338.4 294.1 339.4 0.25 24 264 10450 -41.1 -57.1 16 16.0 -41.9 271 92 339.6 339.6 294.3 339.9 0.06 25 263 10475 -40.3 -56.3 16 16.0 -41.2 271 93 341.2 341.2 294.7 341.5 0.07 26 250 10820 -41.7 -61.7 10 20.0 -42.5 275 89 344.1 344.1 295.3 344.2 0.04 27 217 11771 -45.9 -66.9 8 21.0 -46.6 275 95 351.8 351.8 297.0 351.9 0.02 28 200 12310 -49.7 -70.7 7 21.0 -50.2 275 98 354.1 354.1 297.5 354.1 0.01 29 152 14049 -64.0 -78.3 12 14.3 -64.1 270 101 358.5 358.5 298.4 358.5 0.01 30 150 14130 -64.7 -78.7 13 14.0 -64.8 265 100 358.6 358.6 298.4 358.6 0.01 31 147 14253 -65.5 -78.5 15 13.0 -65.6 268 101 359.3 359.3 298.5 359.3 0.01 32 128 15084 -69.7 -82.7 13 13.0 -69.8 263 81 366.3 366.3 299.9 366.3 0.00 33 116 15668 -70.9 -83.9 13 13.0 -70.9 275 68 374.5 374.5 301.4 374.5 0.00 34 110 15984 -68.3 -83.3 10 15.0 -68.4 275 61 385.1 385.1 303.1 385.1 0.00 35 100 16550 -71.7 -84.7 13 13.0 -71.8 265 31 389.2 389.2 303.7 389.2 0.00 36 93 16976 -73.7 -84.7 17 11.0 -73.7 280 25 393.4 393.4 304.3 393.4 0.00 37 83 17645 -70.9 -85.9 9 15.0 -71.0 284 22 412.1 412.1 306.7 412.1 0.00 38 70 18650 -72.5 -86.5 10 14.0 -72.6 290 17 429.3 429.3 308.7 429.3 0.00 39 66 18998 -68.7 -86.7 6 18.0 -68.8 319 16 444.8 444.8 310.4 444.8 0.00 40 50 20680 -63.1 -85.1 4 22.0 -63.5 95 12 494.8 494.8 314.6 494.8 0.01 41 49 20804 -62.5 -84.5 4 22.0 -62.9 94 13 499.1 499.1 314.9 499.1 0.01 42 30 23860 -56.7 -82.7 2 26.0 -58.0 80 32 590.1 590.1 320.2 590.2 0.01 43 24 25279 -55.5 -82.5 2 27.0 -57.3 632.4 632.4 322.0 632.6 0.02 TRP 93 16976 -73.7 -84.7 17 11.0 -73.7 280 25 393.4 393.4 304.3 393.4 0.00 WND 152 14049 -64.0 -78.3 12 14.3 -64.1 270 101 358.5 358.5 298.4 358.5 0.01 Sounding variables and indices 1000-500 mb thick: 5707.00 m Freezing level: 632.74 mb = 3942.36 m = 12934.08 ft Wetbulb zero: 650.08 mb = 3717.30 m = 12195.73 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 72.62 % Est. max temperature: 31.52 C = 88.73 F Sfc-Lift cond lev (LCL): 924.42 mb = 768.41 m = 2521.01 ft T: 22.58 C 700-500 lapse rate: 5.95 C/km ThetaE index: 12.37 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 763.03 mb = 2400.22 m = 7874.63 ft Mean mixing ratio: 9.98 g/kg Conv temperature: 33.27 C = 91.89 F Cap Strength: 4.07 C Lifted Index: 2.51 C Risk: None Lifted Index @300 mb: 6.72 C Lifted Index @700 mb: 2.77 C Showalter Index: 4.01 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 26.10 C Cross Totals Index: 16.10 C K Index: 27.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 153.00 Risk: None Energy Index: 1.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.35 J/kg Max Up Vert Vel: 7.40 m/s Conv Inhibition (B-): 29453.89 J/kg Cap Strength: 4.05 C Lift Cond Lev (LCL): 827.84 mb = 1716.43 m = 5631.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 18 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 1009 5 255 6 5.8 1.6 | 157 16 -6.4 15.1 1 1000 83 305 6 4.9 -3.4 | 144 12 -7.2 10.1 2 975 305 285 10 9.7 -2.6 | 167 11 -2.5 10.9 3 941 610 285 16 15.5 -4.1 | 199 10 3.3 9.4 4 925 763 280 18 17.7 -3.1 | 208 12 5.6 10.4 5 909 914 285 16 15.5 -4.1 | 199 10 3.3 9.4 6 850 1493 305 11 9.0 -6.3 | 156 8 -3.2 7.2 7 847 1524 305 10 8.2 -5.7 | 153 9 -4.0 7.8 8 787 2134 300 9 7.8 -4.5 | 154 10 -4.4 9.0 9 759 2438 310 17 13.0 -10.9 | 198 3 0.9 2.6 10 732 2743 285 27 26.1 -7.0 | 245 15 13.9 6.5 11 700 3116 245 22 19.9 9.3 | 199 24 7.8 22.8 12 679 3353 245 21 19.0 8.9 | 197 23 6.9 22.4 13 629 3962 295 17 15.4 -7.2 | 207 7 3.2 6.3 14 606 4267 285 31 29.9 -8.0 | 253 19 17.8 5.5 15 583 4572 285 40 38.6 -10.4 | 263 27 26.5 3.2 16 500 5790 300 47 40.7 -23.5 | 289 30 28.5 -10.0 17 480 6096 305 49 40.1 -28.1 | 298 32 28.0 -14.6 18 400 7490 290 57 53.6 -19.5 | 278 42 41.4 -6.0 19 332 8839 280 70 68.9 -12.2 | 269 57 56.8 1.4 20 300 9570 275 86 85.7 -7.5 | 265 74 73.5 6.0 21 256 10668 270 94 94.0 -0.0 | 261 83 81.8 13.5 22 250 10820 275 89 88.7 -7.8 | 266 77 76.5 5.8 23 200 12310 275 98 97.6 -8.5 | 267 86 85.5 5.0 24 152 14049 270 101 101.0 -0.0 | 261 90 88.8 13.5 25 150 14130 265 100 99.6 8.7 | 256 90 87.5 22.2 26 145 14326 270 101 101.0 -0.0 | 261 90 88.8 13.5 27 131 14935 260 86 84.7 14.9 | 249 78 72.5 28.4 28 118 15545 275 64 63.8 -5.6 | 261 52 51.6 7.9 29 112 15850 275 74 73.7 -6.4 | 263 62 61.6 7.1 30 107 16154 275 43 42.8 -3.7 | 252 32 30.7 9.8 31 100 16550 265 31 30.9 2.7 | 229 25 18.7 16.2 32 96 16764 265 31 30.9 2.7 | 229 25 18.7 16.2 33 93 16976 280 25 24.6 -4.3 | 234 15 12.5 9.2 34 70 18650 290 17 16.0 -5.8 | 206 9 3.8 7.7 35 50 20680 95 12 -12.0 1.0 | 121 28 -24.1 14.6 36 30 23860 80 32 -31.5 -5.6 | 100 44 -43.7 8.0 Wind Parameters Mean winds (0-6000m): 288.0 at 24.2 knts Storm direction: 318.0 at 18.2 knts Shear (0-3000m) pos: 3.0 neg: 3.2 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 52.5 deg Storm rel helicity (0-3000m) pos: 42.9 neg: -81.6 tot: -38.7 m^2/s^2 ave: -12.9 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 10.7 stream: -0.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.92 Bulk Shear: 29.65 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 ------------------------------------------------------------------------------- 500 287 9 163 11| 9.5 0.0 9.5| 23.0 -10.2 12.8 25.6 0.38| 13.8 5.3 1000 285 13 181 10| 5.5 0.0 5.5| 31.9 -15.6 16.3 16.3 0.32| 10.4 3.3 1500 288 13 180 9| 2.8 0.0 2.8| 31.9 -27.2 4.7 3.1 0.04| 9.0 0.3 2000 291 12 174 9| 2.1 0.4 2.5| 32.2 -27.8 4.4 2.2 0.03| 7.2 0.2 2500 294 12 173 9| 3.6 0.3 3.9| 40.7 -27.8 13.0 5.2 0.19| 8.0 1.5 3000 291 14 188 9| 3.0 3.2 6.2| 42.9 -81.6 -38.7 -12.9 -0.04| 10.7 -0.4 4000 281 16 197 11| 3.5 2.4 5.9| 65.3-111.4 -46.1 -11.5 -0.02| 11.0 -0.2 5000 283 20 218 11| 3.4 3.1 6.4|139.0-111.4 27.6 5.5 0.11| 11.5 1.3 6000 288 24 241 12| 3.8 2.6 6.4|228.7-111.4 117.3 19.6 0.20| 10.6 2.1 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251108.23.gif