UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120623.upa.cvt Date: 2300Z 6 DEC 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 6 DEC 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 1012 5 27.2 19.2 62 8.0 21.6 5 9 299.3 301.9 294.3 340.1 13.97 1 1000 109 25.0 16.0 57 9.0 19.0 310 4 298.1 300.2 292.2 331.6 11.50 2 984 250 23.4 15.4 61 8.0 18.1 310 6 297.9 300.0 291.9 330.6 11.25 3 925 786 18.4 14.9 80 3.5 16.1 290 11 298.1 300.2 292.2 331.8 11.59 4 913 898 17.2 14.7 85 2.5 15.5 281 10 298.0 300.1 292.2 331.7 11.59 5 906 964 17.2 13.2 77 4.0 14.6 286 10 298.7 300.6 291.6 329.5 10.58 6 891 1107 17.6 8.6 56 9.0 12.2 305 10 300.5 302.0 289.9 323.8 7.89 7 867 1341 16.8 10.8 68 6.0 13.0 295 8 302.0 303.8 291.7 330.0 9.42 8 851 1500 17.6 1.6 34 16.0 8.9 262 5 304.5 305.4 288.7 319.9 5.05 9 850 1510 17.8 1.8 34 16.0 9.1 260 5 304.8 305.7 288.9 320.4 5.13 10 772 2327 13.4 4.4 54 9.0 8.2 132 9 308.6 309.8 291.6 329.4 6.81 11 731 2785 11.4 -16.6 12 28.0 0.7 203 13 311.2 311.5 287.4 315.9 1.43 12 722 2889 11.0 -10.0 22 21.0 1.8 196 13 311.9 312.4 288.7 319.9 2.47 13 700 3146 8.6 -2.4 46 11.0 3.0 190 15 312.0 312.9 290.7 326.4 4.58 14 676 3432 5.8 0.8 70 5.0 3.1 200 17 312.0 313.1 291.9 330.8 6.01 15 655 3689 3.8 -3.2 60 7.0 0.3 201 15 312.6 313.5 290.9 327.1 4.61 16 628 4030 2.2 -17.8 21 20.0 -4.9 215 9 314.5 314.8 288.6 319.5 1.50 17 600 4397 1.0 -12.0 37 13.0 -4.3 234 7 317.3 317.8 290.5 325.6 2.54 18 506 5738 -9.7 -20.7 40 11.0 -13.0 253 25 320.1 320.4 290.3 325.1 1.45 19 500 5830 -10.1 -23.1 34 13.0 -13.8 250 29 320.7 321.0 290.2 324.8 1.19 20 479 6161 -11.7 -29.7 21 18.0 -15.9 251 29 322.7 322.8 290.3 325.1 0.68 21 468 6340 -12.3 -22.3 43 10.0 -15.2 254 27 324.1 324.4 291.4 328.9 1.37 22 403 7474 -18.5 -35.5 21 17.0 -21.7 279 29 330.2 330.3 292.3 332.0 0.46 23 400 7530 -19.1 -36.1 21 17.0 -22.2 280 29 330.2 330.3 292.2 331.8 0.44 24 358 8342 -25.9 -45.9 14 20.0 -28.2 255 28 331.7 331.7 292.3 332.4 0.17 25 300 9590 -36.9 -47.9 31 11.0 -37.7 250 44 333.4 333.4 292.8 334.0 0.17 26 292 9777 -38.7 -47.7 38 9.0 -39.4 250 47 333.4 333.4 292.8 334.1 0.18 27 273 10237 -41.9 -54.9 23 13.0 -42.5 250 54 335.2 335.2 293.2 335.6 0.08 28 262 10516 -43.7 -46.9 70 3.2 -43.9 250 58 336.6 336.6 293.7 337.4 0.21 29 250 10830 -46.1 -49.4 69 3.3 -46.3 250 63 337.5 337.6 293.9 338.2 0.17 30 237 11182 -49.1 -51.8 73 2.7 -49.2 250 63 338.2 338.2 294.0 338.7 0.14 31 216 11782 -53.9 -57.0 69 3.1 -54.0 251 68 339.8 339.9 294.4 340.2 0.08 32 213 11871 -54.7 -60.7 47 6.0 -54.8 252 70 340.0 340.0 294.4 340.2 0.05 33 200 12270 -58.1 -61.7 63 3.6 -58.2 255 79 340.8 340.8 294.6 341.0 0.05 34 196 12397 -59.3 -62.3 68 3.0 -59.3 254 84 340.8 340.8 294.6 341.0 0.04 35 189 12624 -60.5 -62.4 78 1.9 -60.5 253 92 342.5 342.5 295.0 342.6 0.05 36 173 13174 -62.3 -70.3 33 8.0 -62.4 251 112 348.3 348.3 296.3 348.3 0.02 37 168 13355 -61.7 -77.7 10 16.0 -61.9 250 119 352.2 352.2 297.1 352.2 0.01 38 167 13392 -62.0 -77.8 10 15.9 -62.1 250 120 352.4 352.4 297.1 352.4 0.01 39 150 14050 -66.5 -80.5 12 14.0 -66.6 250 119 355.5 355.5 297.8 355.5 0.00 40 138 14550 -70.3 -81.3 18 11.0 -70.4 250 119 357.4 357.4 298.2 357.4 0.00 41 133 14770 -69.1 -81.1 16 12.0 -69.2 251 115 363.3 363.3 299.4 363.4 0.00 42 105 16165 -74.5 -86.5 14 12.0 -74.5 245 68 378.5 378.5 302.0 378.5 0.00 43 100 16450 -73.5 -86.5 12 13.0 -73.5 245 53 385.7 385.7 303.2 385.7 0.00 44 88 17193 -75.3 -88.3 11 13.0 -75.3 235 44 396.5 396.5 304.7 396.5 0.00 45 81 17681 -68.9 -86.9 6 18.0 -69.0 224 34 419.1 419.1 307.6 419.1 0.00 46 76 18059 -71.7 -88.7 6 17.0 -71.8 216 26 421.0 421.0 307.8 421.0 0.00 47 75 18137 -69.3 -87.3 6 18.0 -69.4 214 24 427.6 427.6 308.6 427.6 0.00 48 70 18550 -68.3 -88.3 4 20.0 -68.4 205 16 438.3 438.3 309.7 438.3 0.00 49 50 20580 -64.5 -88.5 2 24.0 -64.8 140 3 491.5 491.5 314.3 491.5 0.00 50 48 20829 -64.3 -88.3 2 24.0 -64.7 134 4 497.7 497.7 314.8 497.8 0.00 51 46 21089 -64.7 -88.7 2 24.0 -65.0 129 5 502.9 502.9 315.1 502.9 0.00 52 44 21362 -61.3 -87.3 2 26.0 -61.9 122 6 517.6 517.6 316.1 517.6 0.00 53 30 23750 -58.7 -86.7 2 28.0 -59.7 70 15 584.6 584.6 319.9 584.7 0.01 54 26 24656 -56.9 -84.9 2 28.0 -58.3 93 13 614.1 614.2 321.2 614.2 0.01 55 26 24656 -57.1 -85.1 2 28.0 -58.5 93 13 613.6 613.6 321.2 613.7 0.01 56 20 26350 -49.9 -81.9 1 32.0 -53.4 135 9 683.4 683.4 323.9 683.6 0.02 57 19 26686 -49.1 -81.1 1 32.0 -52.9 696.0 696.0 324.3 696.3 0.03 58 19 26686 -49.3 -81.3 1 32.0 -53.1 695.4 695.4 324.3 695.6 0.03 TRP 105 16165 -74.5 -86.5 14 12.0 -74.5 245 68 378.5 378.5 302.0 378.5 0.00 WND 167 13392 -62.0 -77.8 10 15.9 -62.1 250 120 352.4 352.4 297.1 352.4 0.01 Sounding variables and indices 1000-500 mb thick: 5721.00 m Freezing level: 591.21 mb = 4522.06 m = 14835.99 ft Wetbulb zero: 653.38 mb = 3709.31 m = 12169.51 ft Precipitable water: 1.24 inches Sfc-500 mean rel hum: 46.81 % Est. max temperature: 30.67 C = 87.21 F Sfc-Lift cond lev (LCL): 900.79 mb = 1013.28 m = 3324.37 ft T: 17.34 C 700-500 lapse rate: 6.97 C/km ThetaE index: 13.49 C Layer 731.0- 722.0 mb Conv cond level (CCL): 726.50 mb = 2836.75 m = 9306.80 ft Mean mixing ratio: 11.59 g/kg Conv temperature: 39.48 C = 103.06 F Cap Strength: 4.95 C Lifted Index: 0.25 C Risk: Showers probable Lifted Index @300 mb: 2.22 C Lifted Index @700 mb: 3.66 C Showalter Index: 6.05 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 27.90 C Cross Totals Index: 11.90 C K Index: 18.70 Risk: < 20 % chance of thunderstorms Sweat Index: 60.60 Risk: None Energy Index: 1.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.12 J/kg Max Up Vert Vel: 2.06 m/s Conv Inhibition (B-): 26398.86 J/kg Cap Strength: 4.93 C Lift Cond Lev (LCL): 878.54 mb = 1227.38 m = 4026.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 9 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 1012 5 5 9 -0.8 -9.0 | 45 13 -9.5 -9.6 1 1000 109 310 4 3.1 -2.6 | 60 6 -5.6 -3.2 2 944 610 310 10 7.7 -6.4 | 8 7 -1.0 -7.1 3 925 786 290 11 10.3 -3.8 | 339 5 1.7 -4.4 4 911 914 280 10 9.8 -1.7 | 334 3 1.2 -2.4 5 879 1219 320 10 6.4 -7.7 | 15 9 -2.3 -8.3 6 850 1510 260 5 4.9 0.9 | 94 4 -3.8 0.2 7 789 2134 135 7 -4.9 4.9 | 108 14 -13.6 4.3 8 761 2438 130 10 -7.7 6.4 | 110 17 -16.3 5.8 9 734 2743 205 13 5.5 11.8 | 164 12 -3.2 11.2 10 708 3048 185 14 1.2 13.9 | 151 15 -7.5 13.3 11 700 3146 190 15 2.6 14.8 | 157 15 -6.1 14.1 12 682 3353 200 18 6.2 16.9 | 171 16 -2.5 16.3 13 657 3658 200 15 5.1 14.1 | 165 14 -3.5 13.5 14 608 4267 225 5 3.5 3.5 | 119 6 -5.1 2.9 15 585 4572 250 10 9.4 3.4 | 194 3 0.7 2.8 16 522 5486 260 15 14.8 2.6 | 252 6 6.1 2.0 17 500 5830 250 29 27.3 9.9 | 243 21 18.6 9.3 18 483 6096 250 30 28.2 10.3 | 244 22 19.5 9.6 19 446 6706 260 22 21.7 3.8 | 256 13 13.0 3.2 20 400 7530 280 29 28.6 -5.0 | 286 21 19.9 -5.7 21 395 7620 280 32 31.5 -5.6 | 285 24 22.8 -6.2 22 363 8230 255 27 26.1 7.0 | 250 19 17.4 6.4 23 300 9590 250 44 41.3 15.0 | 246 36 32.7 14.4 24 250 10830 250 63 59.2 21.5 | 248 55 50.5 20.9 25 222 11582 250 64 60.1 21.9 | 248 56 51.5 21.3 26 200 12270 255 79 76.3 20.4 | 254 70 67.6 19.8 27 167 13392 250 120 112.8 41.0 | 249 112 104.1 40.4 28 158 13716 250 120 112.8 41.0 | 249 112 104.1 40.4 29 150 14050 250 119 111.8 40.7 | 249 111 103.1 40.1 30 136 14630 250 119 111.8 40.7 | 249 111 103.1 40.1 31 111 15850 255 83 80.2 21.5 | 254 74 71.5 20.9 32 105 16165 245 68 61.6 28.7 | 242 60 52.9 28.1 33 100 16450 245 53 48.0 22.4 | 241 45 39.4 21.8 34 95 16764 245 53 48.0 22.4 | 241 45 39.4 21.8 35 70 18550 205 16 6.8 14.5 | 172 14 -1.9 13.9 36 50 20580 140 3 -1.9 2.3 | 99 11 -10.6 1.7 37 30 23750 70 15 -14.1 -5.1 | 76 23 -22.8 -5.8 38 20 26350 135 9 -6.4 6.4 | 111 16 -15.0 5.7 Wind Parameters Mean winds (0-6000m): 235.9 at 11.6 knts Storm direction: 265.9 at 8.7 knts Shear (0-3000m) pos: 1.6 neg: 3.2 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 108.0 deg Storm rel helicity (0-3000m) pos: 72.7 neg: -33.5 tot: 39.2 m^2/s^2 ave: 13.1 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 11.6 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 20.30 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 ------------------------------------------------------------------------------- 500 317 6 39 7| 0.0 8.4 8.4| 5.5 -7.3 -1.7 -3.5 -0.17| 12.3 -2.1 1000 304 8 19 5| 0.0 5.8 5.8| 6.5 -13.9 -7.4 -7.4 -0.25| 10.7 -2.7 1500 304 8 18 6| 0.0 3.9 3.9| 14.8 -13.9 0.9 0.6 0.06| 11.8 0.7 2000 294 8 23 4| 0.0 3.9 3.9| 18.1 -18.8 -0.7 -0.4 0.07| 11.5 0.8 2500 288 8 22 3| 0.0 3.8 3.8| 32.6 -26.1 6.5 2.6 0.08| 10.9 0.9 3000 248 9 166 3| 1.6 3.2 4.8| 72.7 -33.5 39.2 13.1 0.19| 11.6 2.2 4000 217 10 161 8| 1.4 2.4 3.8| 92.9 -43.5 49.4 12.3 0.18| 10.6 1.9 5000 224 10 165 7| 1.9 1.9 3.8| 99.5 -49.3 50.2 10.0 0.19| 9.7 1.8 6000 236 12 189 6| 1.9 2.2 4.1|102.3 -57.2 45.1 7.5 0.16| 9.6 1.5 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251206.23.gif