UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101311.upa.cvt Date: 1100Z 13 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 13 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 22.6 20.1 86 2.5 20.9 135 8 294.3 297.0 293.4 336.4 14.71 1 1000 155 21.2 19.3 89 1.9 19.9 130 17 294.4 296.9 293.0 335.0 14.23 2 967 445 18.6 18.6 100 0.0 18.6 127 21 294.6 297.1 293.0 334.8 14.08 3 925 826 16.8 16.8 100 0.0 16.8 120 21 296.5 298.9 292.9 334.3 13.12 4 900 1059 14.4 12.6 89 1.8 13.3 125 15 296.3 298.2 290.6 325.9 10.24 5 883 1221 15.4 14.8 96 0.6 15.0 124 10 299.0 301.2 292.9 334.2 12.07 6 850 1544 13.8 13.0 95 0.8 13.3 350 7 300.6 302.6 292.6 333.3 11.14 7 845 1594 13.6 13.4 99 0.2 13.5 332 8 300.9 303.0 293.0 334.8 11.51 8 783 2233 10.0 5.0 71 5.0 7.2 221 12 303.7 305.0 290.2 324.7 7.00 9 763 2448 8.2 5.9 85 2.3 6.9 235 11 304.0 305.4 290.9 327.0 7.65 10 717 2960 5.6 -7.4 39 13.0 -0.1 257 20 306.6 307.1 287.5 316.2 3.06 11 700 3156 4.4 -2.6 60 7.0 1.0 265 23 307.4 308.2 289.2 321.3 4.51 12 691 3261 4.0 -2.0 65 6.0 1.0 268 22 308.1 308.9 289.6 322.9 4.78 13 680 3392 3.2 -4.8 56 8.0 -0.5 268 22 308.6 309.3 289.0 320.9 3.94 14 667 3549 3.4 -14.6 25 18.0 -3.4 261 24 310.5 310.9 287.6 316.5 1.85 15 665 3573 3.0 -8.0 44 11.0 -1.8 260 24 310.3 310.9 288.8 320.3 3.15 16 646 3807 0.8 -4.2 69 5.0 -1.6 257 29 310.4 311.2 290.0 324.0 4.34 17 640 3882 0.2 -6.8 59 7.0 -2.9 258 31 310.6 311.2 289.3 321.9 3.59 18 638 3907 1.0 -19.0 21 20.0 -5.7 259 31 311.8 312.0 287.5 316.2 1.33 19 628 4035 1.8 -46.2 1 48.0 -7.4 258 31 314.1 314.1 286.9 314.4 0.10 20 525 5452 -9.5 -30.5 16 21.0 -14.3 244 37 317.0 317.1 288.4 319.0 0.57 21 518 5556 -7.9 -48.9 2 41.0 -14.2 241 36 320.2 320.2 288.9 320.5 0.09 22 500 5830 -10.1 -50.1 2 40.0 -15.8 245 32 320.7 320.7 289.0 321.0 0.08 23 438 6830 -17.9 -51.9 3 34.0 -21.8 260 43 323.2 323.2 289.8 323.5 0.07 24 400 7500 -21.9 -56.9 3 35.0 -25.1 270 51 326.5 326.5 290.7 326.7 0.04 25 351 8451 -27.7 -62.7 2 35.0 -30.0 279 56 331.1 331.1 292.0 331.2 0.02 26 300 9560 -36.9 -64.9 4 28.0 -38.1 285 62 333.4 333.4 292.6 333.4 0.02 27 268 10327 -43.3 -70.3 4 27.0 -44.0 282 68 335.0 335.0 293.0 335.0 0.01 28 250 10790 -46.7 -69.7 6 23.0 -47.2 280 71 336.6 336.6 293.5 336.7 0.01 29 241 11033 -47.3 -70.3 5 23.0 -47.8 281 72 339.3 339.3 294.1 339.3 0.01 30 206 12052 -55.1 -75.1 7 20.0 -55.4 290 71 342.6 342.6 295.0 342.6 0.01 31 200 12240 -55.3 -75.3 7 20.0 -55.5 290 78 345.2 345.2 295.6 345.2 0.01 32 199 12272 -55.4 -75.4 7 20.0 -55.7 290 78 345.5 345.5 295.6 345.5 0.01 33 154 13887 -61.7 -81.7 5 20.0 -61.9 296 70 361.1 361.1 298.9 361.1 0.00 34 150 14050 -61.7 -82.7 4 21.0 -61.9 300 72 363.8 363.8 299.4 363.8 0.00 35 107 16098 -69.5 -85.5 8 16.0 -69.6 300 52 385.9 385.9 303.2 385.9 0.00 36 100 16500 -70.1 -86.1 8 16.0 -70.2 280 44 392.3 392.3 304.1 392.3 0.00 37 70 18640 -66.7 -88.7 3 22.0 -66.9 290 11 441.7 441.7 310.0 441.7 0.00 38 50 20700 -62.3 -88.3 2 26.0 -62.7 75 9 496.7 496.7 314.7 496.7 0.00 39 40 22088 -59.3 -87.3 1 28.0 -60.0 536.9 536.9 317.3 537.0 0.00 40 36 22747 -60.1 -88.1 1 28.0 -60.9 551.3 551.3 318.2 551.3 0.00 TRP 107 16098 -69.5 -85.5 8 16.0 -69.6 300 52 385.9 385.9 303.2 385.9 0.00 WND 199 12272 -55.4 -75.4 7 20.0 -55.7 290 78 345.5 345.5 295.6 345.5 0.01 Sounding variables and indices 1000-500 mb thick: 5675.00 m Freezing level: 611.59 mb = 4260.49 m = 13977.80 ft Wetbulb zero: 717.64 mb = 2952.34 m = 9686.03 ft Precipitable water: 1.39 inches Sfc-500 mean rel hum: 53.77 % Est. max temperature: 28.07 C = 82.53 F Sfc-Lift cond lev (LCL): 980.75 mb = 323.01 m = 1059.72 ft T: 19.69 C 700-500 lapse rate: 5.42 C/km ThetaE index: 10.80 C Layer 717.0- 700.0 mb Conv cond level (CCL): 957.16 mb = 532.86 m = 1748.22 ft Mean mixing ratio: 13.84 g/kg Conv temperature: 23.28 C = 73.91 F Cap Strength: 0.37 C Lifted Index: -1.10 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.35 C Lifted Index @700 mb: -1.60 C Showalter Index: -0.45 C Risk: Thunderstorms probable Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 23.10 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 202.00 Risk: None Energy Index: -2.37 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 318.09 J/kg Max Up Vert Vel: 25.22 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.36 C Lift Cond Lev (LCL): 956.69 mb = 537.00 m = 1761.80 ft Lev Free Conv (LFC): 951.69 mb = 581.95 m = 1909.27 ft Equ Level (EL): 881.69 mb = 1233.60 m = 4047.21 ft B at Equ Level: 20.89 J/kg Max Parcel Lev (MPL): 201.69 mb = 12186.21 m = 39980.50 ft Wind level data Storm motion: 268 at 17 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 5 135 8 -5.7 5.7 | 103 23 -22.4 5.2 1 1000 155 130 17 -13.0 10.9 | 109 32 -29.7 10.5 2 949 610 125 23 -18.8 13.2 | 110 38 -35.5 12.7 3 925 826 120 21 -18.2 10.5 | 106 36 -34.9 10.0 4 915 914 125 19 -15.6 10.9 | 108 34 -32.3 10.4 5 883 1219 125 10 -8.2 5.7 | 102 25 -24.9 5.3 6 852 1524 5 6 -0.5 -6.0 | 70 18 -17.2 -6.4 7 850 1544 350 7 1.2 -6.9 | 65 17 -15.5 -7.4 8 821 1829 245 10 9.1 4.2 | 116 9 -7.6 3.8 9 792 2134 215 13 7.5 10.6 | 138 14 -9.3 10.2 10 763 2438 235 11 9.0 6.3 | 127 10 -7.7 5.9 11 700 3156 265 23 22.9 2.0 | 256 6 6.2 1.5 12 683 3353 270 22 22.0 -0.0 | 275 5 5.3 -0.5 13 657 3658 255 25 24.1 6.5 | 231 10 7.4 6.0 14 632 3962 260 33 32.5 5.7 | 252 17 15.8 5.3 15 609 4267 250 24 22.6 8.2 | 217 10 5.8 7.8 16 586 4572 240 28 24.2 14.0 | 209 16 7.5 13.5 17 543 5182 250 37 34.8 12.7 | 236 22 18.1 12.2 18 502 5791 235 36 29.5 20.6 | 212 24 12.8 20.2 19 500 5830 245 32 29.0 13.5 | 223 18 12.3 13.1 20 400 7500 270 51 51.0 -0.0 | 271 34 34.3 -0.5 21 393 7620 275 52 51.8 -4.5 | 278 35 35.1 -5.0 22 300 9560 285 62 59.9 -16.0 | 291 46 43.2 -16.5 23 250 10790 280 71 69.9 -12.3 | 284 55 53.2 -12.8 24 243 10973 280 72 70.9 -12.5 | 283 56 54.2 -13.0 25 211 11887 290 66 62.0 -22.6 | 297 51 45.3 -23.0 26 200 12240 290 78 73.3 -26.7 | 296 63 56.6 -27.1 27 199 12272 290 78 73.3 -26.7 | 296 63 56.6 -27.1 28 192 12497 290 78 73.3 -26.7 | 296 63 56.6 -27.1 29 166 13411 285 65 62.8 -16.8 | 291 49 46.1 -17.3 30 150 14050 300 72 62.4 -36.0 | 309 58 45.6 -36.5 31 143 14326 300 73 63.2 -36.5 | 308 59 46.5 -37.0 32 130 14935 285 75 72.4 -19.4 | 290 59 55.7 -19.9 33 123 15240 275 59 58.8 -5.1 | 278 42 42.1 -5.6 34 117 15545 295 43 39.0 -18.2 | 310 29 22.3 -18.6 35 107 16098 300 52 45.0 -26.0 | 313 39 28.3 -26.5 36 106 16154 305 50 41.0 -28.7 | 320 38 24.3 -29.1 37 100 16500 280 44 43.3 -7.6 | 287 28 26.6 -8.1 38 96 16764 280 44 43.3 -7.6 | 287 28 26.6 -8.1 39 70 18640 290 11 10.3 -3.8 | 56 8 -6.4 -4.2 40 50 20700 75 9 -8.7 -2.3 | 84 26 -25.4 -2.8 Wind Parameters Mean winds (0-6000m): 238.4 at 22.3 knts Storm direction: 268.4 at 16.7 knts Shear (0-3000m) pos: 2.1 neg: 2.5 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 120.4 deg Storm rel helicity (0-3000m) pos: 74.3 neg: -146.2 tot: -71.9 m^2/s^2 ave: -24.0 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 14.5 stream: 0.5 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 2.27 Bulk Shear: 139.86 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 ------------------------------------------------------------------------------- 500 129 17 109 32| 0.0 14.2 14.2| 22.7 -0.0 22.7 45.3 0.23| 14.3 3.3 1000 126 19 108 34| 0.0 4.4 4.4| 30.4 -27.8 2.6 2.6 0.05| 11.9 0.6 1500 124 16 106 31| 0.0 4.3 4.3| 30.4-130.4-100.0 -66.7 -0.32| 15.5 -5.0 2000 130 14 107 29| 0.0 3.7 3.7| 55.8-141.5 -85.7 -42.9 -0.09| 17.3 -1.5 2500 146 14 114 27| 0.4 3.0 3.4| 60.2-146.2 -86.0 -34.4 -0.08| 15.3 -1.2 3000 169 14 125 24| 2.1 2.5 4.6| 74.3-146.2 -71.9 -24.0 0.04| 14.5 0.5 4000 223 17 158 13| 2.0 2.9 4.9| 90.7-154.5 -63.8 -16.0 0.06| 13.2 0.8 5000 235 20 176 11| 2.3 2.0 4.3|117.1-180.3 -63.2 -12.6 0.03| 12.7 0.4 6000 238 22 191 11| 2.0 1.9 3.9|154.5-226.4 -71.9 -12.0 0.02| 12.2 0.3 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251013.11.gif