UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1200Z 28 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 1013 5 17.6 17.1 97 0.5 17.3 190 10 289.7 291.8 289.9 323.9 12.19 1 1000 114 17.2 16.2 94 1.0 16.5 185 18 290.4 292.4 289.7 323.2 11.66 2 993 174 17.0 16.3 96 0.7 16.5 180 20 290.7 292.8 290.0 324.0 11.82 3 978 305 18.4 15.9 85 2.5 16.8 170 25 293.4 295.5 290.8 326.7 11.69 4 925 782 16.4 14.4 88 2.0 15.1 155 13 296.1 298.1 291.3 328.4 11.22 5 850 1502 14.2 11.2 82 3.0 12.3 275 6 301.0 302.8 291.7 330.1 9.88 6 825 1754 14.0 9.1 72 4.9 11.0 315 10 303.4 305.0 291.6 329.7 8.83 7 781 2214 9.6 7.3 86 2.3 8.2 291 24 303.5 305.0 291.2 328.1 8.24 8 700 3116 4.6 3.6 93 1.0 4.1 315 18 307.6 308.9 291.5 329.2 7.10 9 661 3581 2.2 0.5 88 1.7 1.3 307 27 310.0 311.1 291.3 328.6 6.01 10 619 4108 -1.1 -1.1 100 0.0 -1.1 309 33 312.1 313.1 291.7 329.9 5.71 11 576 4679 -4.1 -6.1 86 2.0 -5.0 294 41 315.0 315.8 291.3 328.5 4.21 12 571 4747 -4.9 -5.2 98 0.3 -5.0 291 42 314.9 315.8 291.5 329.4 4.55 13 569 4775 -4.9 -7.6 81 2.7 -6.1 290 43 315.2 315.9 291.0 327.4 3.80 14 564 4844 -5.7 -5.8 99 0.1 -5.8 287 44 315.0 315.9 291.5 329.1 4.40 15 562 4872 -6.3 -10.4 73 4.1 -7.9 286 45 314.7 315.3 290.2 324.6 3.08 16 557 4942 -6.9 -10.4 76 3.5 -8.3 287 46 314.8 315.4 290.2 324.8 3.11 17 538 5213 -7.1 -8.7 88 1.6 -7.8 296 49 317.7 318.4 291.6 329.6 3.68 18 500 5780 -10.7 -12.6 86 1.9 -11.4 295 60 320.0 320.6 291.6 329.6 2.90 19 455 6502 -15.9 -17.2 90 1.3 -16.3 295 66 322.2 322.7 291.6 329.6 2.18 20 428 6964 -17.3 -18.6 90 1.3 -17.7 305 59 326.1 326.5 292.6 333.2 2.06 21 400 7470 -20.7 -21.8 91 1.1 -21.0 320 46 328.1 328.4 292.8 333.9 1.67 22 300 9530 -36.1 -39.1 74 3.0 -36.4 325 63 334.5 334.6 293.3 336.1 0.43 23 283 9932 -39.5 -41.9 78 2.4 -39.7 322 68 335.2 335.3 293.4 336.6 0.34 24 264 10405 -43.3 -46.9 68 3.6 -43.5 318 74 336.4 336.5 293.6 337.2 0.21 25 250 10770 -45.5 -50.4 58 4.9 -45.7 315 78 338.4 338.5 294.1 339.0 0.15 26 221 11581 -52.1 -58.1 48 6.0 -52.3 312 91 340.4 340.4 294.5 340.7 0.07 27 216 11728 -53.3 -58.3 54 5.0 -53.4 312 94 340.8 340.8 294.6 341.1 0.07 28 200 12220 -57.1 -66.1 31 9.0 -57.2 310 102 342.3 342.3 294.9 342.5 0.03 29 199 12252 -57.2 -66.2 31 9.0 -57.4 310 103 342.6 342.6 295.0 342.7 0.03 30 197 12316 -57.5 -66.5 31 9.0 -57.6 310 103 343.2 343.2 295.1 343.3 0.03 31 195 12381 -54.5 -73.5 8 19.0 -54.8 310 103 349.0 349.0 296.4 349.0 0.01 32 181 12855 -57.7 -76.7 7 19.0 -57.9 304 98 351.3 351.3 296.9 351.3 0.01 33 150 14030 -61.7 -80.7 6 19.0 -61.9 285 61 363.8 363.8 299.4 363.8 0.00 34 114 15691 -69.9 -84.9 9 15.0 -69.9 300 58 378.2 378.2 301.9 378.2 0.00 35 110 15905 -66.3 -85.3 5 19.0 -66.4 297 58 388.9 388.9 303.6 388.9 0.00 36 105 16185 -68.3 -86.3 6 18.0 -68.4 287 56 390.3 390.3 303.8 390.3 0.00 37 103 16301 -65.3 -85.3 5 20.0 -65.4 292 54 398.2 398.2 304.9 398.2 0.00 38 100 16480 -65.5 -86.5 4 21.0 -65.7 285 44 401.2 401.2 305.3 401.2 0.00 39 90 17118 -68.5 -86.5 6 18.0 -68.6 278 41 407.5 407.5 306.2 407.5 0.00 40 81 17756 -65.3 -87.3 3 22.0 -65.5 266 35 426.5 426.5 308.4 426.5 0.00 41 74 18303 -68.9 -87.9 5 19.0 -69.0 256 30 430.1 430.1 308.9 430.1 0.00 42 70 18640 -64.3 -88.3 2 24.0 -64.6 250 27 446.8 446.8 310.6 446.8 0.00 43 66 18999 -65.9 -87.9 3 22.0 -66.1 450.9 450.9 311.0 450.9 0.00 44 61 19481 -61.9 -87.9 2 26.0 -62.3 470.1 470.1 312.7 470.1 0.00 45 59 19687 -62.5 -87.5 2 25.0 -62.9 473.3 473.3 312.9 473.3 0.00 TRP 114 15691 -69.9 -84.9 9 15.0 -69.9 300 58 378.2 378.2 301.9 378.2 0.00 WND 199 12252 -57.2 -66.2 31 9.0 -57.4 310 103 342.6 342.6 295.0 342.7 0.03 Sounding variables and indices 1000-500 mb thick: 5666.00 m Freezing level: 633.00 mb = 3931.99 m = 12900.07 ft Wetbulb zero: 638.12 mb = 3863.51 m = 12675.39 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 87.69 % Est. max temperature: 28.09 C = 82.56 F Sfc-Lift cond lev (LCL): 1005.78 mb = 65.35 m = 214.41 ft T: 17.38 C 700-500 lapse rate: 5.74 C/km ThetaE index: 2.04 C Layer 825.0- 700.0 mb Conv cond level (CCL): 813.23 mb = 1874.74 m = 6150.65 ft Mean mixing ratio: 11.53 g/kg Conv temperature: 31.39 C = 88.51 F Cap Strength: 4.02 C Lifted Index: 2.17 C Risk: None Lifted Index @300 mb: 6.36 C Lifted Index @700 mb: 1.53 C Showalter Index: 0.47 C Risk: Thunderstorms probable Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 21.90 C K Index: 35.10 Risk: > 80 % chance of thunderstorms Sweat Index: 206.40 Risk: None Energy Index: -0.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.10 J/kg Max Up Vert Vel: 7.36 m/s Conv Inhibition (B-): 12121.28 J/kg Cap Strength: 3.97 C Lift Cond Lev (LCL): 935.86 mb = 681.97 m = 2237.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 21 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 1013 5 190 10 1.7 9.8 | 156 29 -11.8 26.2 1 1000 114 185 18 1.6 17.9 | 161 36 -11.9 34.3 2 978 305 170 25 -4.3 24.6 | 156 45 -17.9 41.0 3 925 782 155 13 -5.5 11.8 | 146 34 -19.0 28.1 4 911 914 165 11 -2.8 10.6 | 149 32 -16.4 27.0 5 850 1502 275 6 6.0 -0.5 | 155 18 -7.5 15.8 6 848 1524 0 0 -0.0 -0.0 | 140 21 -13.5 16.4 7 817 1829 300 13 11.3 -6.5 | 167 10 -2.3 9.9 8 788 2134 295 25 22.7 -10.6 | 238 11 9.1 5.8 9 759 2438 280 21 20.7 -3.6 | 209 15 7.2 12.7 10 732 2743 270 24 24.0 -0.0 | 213 19 10.5 16.4 11 706 3048 280 21 20.7 -3.6 | 209 15 7.2 12.7 12 700 3116 315 18 12.7 -12.7 | 168 4 -0.8 3.6 13 654 3658 305 29 23.8 -16.6 | 272 10 10.2 -0.3 14 605 4267 310 34 26.0 -21.9 | 294 14 12.5 -5.5 15 560 4877 285 45 43.5 -11.6 | 261 30 30.0 4.7 16 519 5486 305 53 43.4 -30.4 | 295 33 29.9 -14.0 17 500 5780 295 60 54.4 -25.4 | 282 42 40.9 -9.0 18 461 6401 295 66 59.8 -27.9 | 284 48 46.3 -11.5 19 442 6706 295 67 60.7 -28.3 | 284 49 47.2 -12.0 20 408 7315 320 47 30.2 -36.0 | 320 26 16.7 -19.6 21 400 7470 320 46 29.6 -35.2 | 320 25 16.1 -18.9 22 360 8230 325 40 22.9 -32.8 | 330 19 9.4 -16.4 23 300 9530 325 63 36.1 -51.6 | 327 42 22.6 -35.2 24 250 10770 315 78 55.2 -55.2 | 313 57 41.6 -38.8 25 200 12220 310 102 78.1 -65.6 | 307 81 64.6 -49.2 26 199 12252 310 103 78.9 -66.2 | 307 82 65.4 -49.8 27 191 12497 310 103 78.9 -66.2 | 307 82 65.4 -49.8 28 166 13411 295 90 81.6 -38.0 | 288 71 68.1 -21.7 29 150 14021 280 70 68.9 -12.2 | 266 56 55.4 4.2 30 150 14030 285 61 58.9 -15.8 | 269 45 45.4 0.6 31 143 14326 295 60 54.4 -25.4 | 282 42 40.9 -9.0 32 129 14935 290 72 67.7 -24.6 | 279 55 54.1 -8.3 33 117 15545 290 52 48.9 -17.8 | 272 35 35.4 -1.4 34 114 15691 300 58 50.2 -29.0 | 289 39 36.7 -12.6 35 111 15850 300 58 50.2 -29.0 | 289 39 36.7 -12.6 36 106 16154 285 57 55.1 -14.8 | 268 42 41.5 1.6 37 100 16459 300 51 44.2 -25.5 | 287 32 30.7 -9.1 38 100 16480 285 44 42.5 -11.4 | 260 29 29.0 5.0 39 95 16764 285 44 42.5 -11.4 | 260 29 29.0 5.0 40 70 18640 250 27 25.4 9.2 | 205 28 11.9 25.6 Wind Parameters Mean winds (0-6000m): 290.5 at 28.3 knts Storm direction: 320.5 at 21.2 knts Shear (0-3000m) pos: 6.3 neg: 2.7 tot: 9.0 10-3/s Storm rel Dir Shear (0-3000m): 54.4 deg Storm rel helicity (0-3000m) pos: 124.8 neg: -162.0 tot: -37.2 m^2/s^2 ave: -12.4 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 15.9 stream: 0.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.12 Bulk Shear: 227.73 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 ------------------------------------------------------------------------------- 500 174 20 157 40| 0.0 12.2 12.2| 22.4 -71.4 -49.0 -97.9 -0.17| 23.2 -3.9 1000 170 17 153 37| 5.5 6.1 11.6| 54.6-105.1 -50.5 -50.5 -0.09| 18.4 -1.7 1500 174 14 154 34| 8.0 4.1 12.0| 79.8-122.6 -42.8 -28.5 -0.07| 17.5 -1.1 2000 188 13 158 32| 9.4 3.1 12.5|113.6-142.5 -29.0 -14.5 0.07| 19.0 1.4 2500 227 15 174 27| 7.5 3.3 10.8|122.2-159.1 -36.8 -14.7 0.05| 17.6 0.8 3000 245 16 183 23| 6.3 2.7 9.0|124.8-162.0 -37.2 -12.4 0.04| 15.9 0.7 4000 275 19 199 16| 6.7 2.0 8.8|139.4-168.7 -29.3 -7.3 0.07| 15.2 1.1 5000 286 23 220 13| 5.4 2.6 7.9|167.9-230.0 -62.1 -12.4 0.02| 14.8 0.3 6000 290 28 244 15| 5.6 3.1 8.7|293.2-307.1 -13.9 -2.3 0.06| 14.7 0.8 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251028.12.gif