UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042011.upa.cvt Date: 1100Z 20 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 20 APR 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 1016 5 22.2 20.5 90 1.7 21.1 360 7 294.0 296.7 293.6 337.1 15.11 1 1009 64 23.2 19.7 81 3.5 20.8 356 8 295.6 298.2 293.6 337.1 14.46 2 1000 141 22.6 19.5 83 3.1 20.5 350 9 295.8 298.3 293.6 337.2 14.41 3 961 487 19.6 18.1 91 1.5 18.6 359 12 296.1 298.6 293.2 335.6 13.72 4 954 550 20.4 13.4 64 7.0 15.9 2 12 297.5 299.4 290.9 327.1 10.17 5 938 697 19.4 16.0 81 3.4 17.1 5 10 298.0 300.2 292.7 333.6 12.28 6 925 817 19.0 14.5 75 4.5 16.1 5 7 298.7 300.8 292.2 331.7 11.29 7 870 1341 16.6 3.6 42 13.0 9.4 85 4 301.5 302.6 288.3 318.6 5.70 8 850 1539 14.8 4.8 51 10.0 9.2 160 6 301.6 302.8 288.9 320.6 6.35 9 781 2249 8.8 5.7 81 3.1 7.1 205 9 302.6 304.0 290.2 324.6 7.37 10 749 2594 6.6 3.8 82 2.8 5.1 205 14 303.9 305.1 290.0 324.1 6.72 11 700 3148 3.8 -2.2 65 6.0 0.8 215 14 306.7 307.6 289.0 321.0 4.65 12 659 3635 0.0 -3.2 79 3.2 -1.5 224 21 307.8 308.6 289.3 322.0 4.58 13 652 3720 1.0 -7.0 55 8.0 -2.6 232 19 309.8 310.5 289.0 320.8 3.47 14 650 3745 3.8 -20.2 15 24.0 -4.3 235 18 313.3 313.5 287.8 317.2 1.18 15 645 3808 6.0 242 14 316.4 16 636 3923 5.4 -37.6 3 43.0 -5.0 255 8 317.0 317.1 288.1 317.9 0.24 17 602 4370 3.0 -33.0 5 36.0 -6.4 266 15 319.3 319.4 288.9 320.7 0.39 18 587 4574 1.6 -9.4 44 11.0 -3.3 279 21 320.0 320.6 291.9 330.5 3.19 19 581 4656 1.4 -10.6 40 12.0 -3.8 279 22 320.7 321.2 291.8 330.4 2.93 20 571 4796 1.8 -18.2 21 20.0 -5.5 278 23 322.7 323.1 291.2 328.2 1.60 21 561 4938 0.4 -22.6 16 23.0 -7.1 277 24 322.7 322.9 290.7 326.6 1.11 22 530 5391 -3.1 -11.1 54 8.0 -6.5 282 29 323.8 324.4 292.9 334.2 3.09 23 519 5557 -3.7 -19.7 28 16.0 -9.2 287 31 325.0 325.3 291.8 330.4 1.54 24 500 5850 -6.7 -7.6 93 0.9 -7.1 290 32 324.9 325.7 294.1 339.2 4.32 25 496 5913 -7.3 -7.6 98 0.3 -7.4 289 32 324.9 325.7 294.1 339.3 4.36 26 492 5976 -7.3 -10.6 77 3.3 -8.7 288 33 325.6 326.3 293.6 337.3 3.47 27 469 6346 -10.5 -11.1 95 0.6 -10.8 281 35 326.2 326.8 293.8 337.9 3.50 28 461 6479 -11.1 -15.7 69 4.6 -12.8 281 37 327.0 327.5 293.2 335.4 2.44 29 457 6546 -10.9 -24.9 31 14.0 -14.9 282 38 328.1 328.3 292.3 332.0 1.11 30 450 6664 -11.5 -29.5 21 18.0 -15.9 283 41 328.8 328.9 292.1 331.5 0.74 31 438 6871 -12.7 -25.7 33 13.0 -16.3 285 46 329.8 330.0 292.7 333.7 1.08 32 431 6994 -13.1 -33.1 17 20.0 -17.5 286 49 330.8 330.9 292.5 332.9 0.55 33 422 7154 -14.5 -24.5 42 10.0 -17.3 288 53 331.0 331.3 293.2 335.5 1.25 34 416 7263 -13.7 -32.7 18 19.0 -18.0 289 56 333.4 333.5 293.2 335.6 0.59 35 400 7560 -14.9 -42.9 7 28.0 -19.7 280 55 335.6 335.7 293.4 336.5 0.22 36 396 7636 -14.9 -44.9 6 30.0 -19.8 280 55 336.6 336.6 293.6 337.3 0.18 37 337 8837 -23.3 -54.3 4 31.0 -26.5 276 63 341.0 341.0 294.6 341.3 0.07 38 326 9079 -24.9 -36.9 32 12.0 -26.9 276 64 342.1 342.2 295.3 344.0 0.50 39 314 9351 -26.0 -42.8 19 16.8 -28.3 275 66 344.2 344.3 295.6 345.3 0.28 40 311 9421 -26.3 -44.3 17 18.0 -28.7 275 66 344.7 344.8 295.7 345.7 0.24 41 300 9680 -28.5 -43.5 22 15.0 -30.4 275 62 345.2 345.3 295.8 346.3 0.27 42 279 10196 -31.7 -49.7 15 18.0 -33.4 273 61 347.8 347.9 296.3 348.5 0.15 43 250 10960 -38.5 -58.5 10 20.0 -39.6 270 59 348.8 348.8 296.4 349.1 0.06 44 217 11915 -46.5 -67.5 7 21.0 -47.1 266 60 350.9 350.9 296.8 350.9 0.02 45 200 12450 -50.9 -69.9 9 19.0 -51.3 275 60 352.2 352.2 297.1 352.2 0.02 46 186 12918 -55.3 -70.3 14 15.0 -55.5 278 58 352.4 352.4 297.2 352.5 0.02 47 150 14260 -65.1 -80.1 11 15.0 -65.2 265 59 357.9 357.9 298.3 358.0 0.00 48 141 14634 -68.1 -82.1 12 14.0 -68.2 262 55 359.1 359.1 298.5 359.1 0.00 49 122 15486 -75.5 -84.5 23 9.0 -75.5 274 52 360.7 360.7 298.8 360.8 0.00 50 121 15534 -75.7 -84.7 23 9.0 -75.7 275 52 361.2 361.2 299.0 361.2 0.00 51 100 16630 -77.5 -88.5 15 11.0 -77.5 270 40 378.0 378.0 301.9 378.0 0.00 52 86 17493 -78.9 -89.9 15 11.0 -78.9 304 25 391.8 391.8 304.0 391.8 0.00 53 70 18680 -74.1 -90.1 7 16.0 -74.2 360 1 425.9 425.9 308.4 425.9 0.00 54 63 19298 -72.5 -90.5 5 18.0 -72.6 31 2 442.4 442.4 310.1 442.4 0.00 55 55 20110 -65.9 -88.9 3 23.0 -66.1 72 2 475.1 475.1 313.1 475.1 0.00 56 50 20690 -65.5 -88.5 3 23.0 -65.8 100 3 489.1 489.1 314.1 489.1 0.00 57 34 23073 -58.9 -85.9 2 27.0 -59.8 563.5 563.5 318.8 563.6 0.01 58 34 23073 -58.9 -86.9 2 28.0 -59.8 563.5 563.5 318.8 563.6 0.01 59 33 23262 -55.3 -84.3 2 29.0 -56.7 577.9 577.9 319.6 578.0 0.01 TRP 121 15534 -75.7 -84.7 23 9.0 -75.7 275 52 361.2 361.2 299.0 361.2 0.00 WND 314 9351 -26.0 -42.8 19 16.8 -28.3 275 66 344.2 344.3 295.6 345.3 0.28 Sounding variables and indices 1000-500 mb thick: 5709.00 m Freezing level: 557.46 mb = 4990.03 m = 16371.28 ft Wetbulb zero: 685.30 mb = 3319.12 m = 10889.36 ft Precipitable water: 1.37 inches Sfc-500 mean rel hum: 56.29 % Est. max temperature: 29.77 C = 85.59 F Sfc-Lift cond lev (LCL): 991.34 mb = 216.58 m = 710.56 ft T: 21.94 C 700-500 lapse rate: 3.89 C/km ThetaE index: 15.00 C Layer 925.0- 850.0 mb Conv cond level (CCL): 856.09 mb = 1478.33 m = 4850.11 ft Mean mixing ratio: 12.91 g/kg Conv temperature: 29.84 C = 85.70 F Cap Strength: 4.89 C Lifted Index: 2.60 C Risk: None Lifted Index @300 mb: 9.16 C Lifted Index @700 mb: -1.96 C Showalter Index: 9.33 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 11.50 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 101.60 Risk: None Energy Index: 3.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 131.96 J/kg Max Up Vert Vel: 16.25 m/s Conv Inhibition (B-): 67.91 J/kg Cap Strength: 4.69 C Lift Cond Lev (LCL): 917.90 mb = 882.94 m = 2896.75 ft Lev Free Conv (LFC): 812.90 mb = 1913.10 m = 6276.51 ft Equ Level (EL): 642.90 mb = 3834.91 m = 12581.58 ft B at Equ Level: 118.68 J/kg Max Parcel Lev (MPL): 572.90 mb = 4769.47 m = 15647.69 ft Wind level data Storm motion: 294 at 11 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 1016 5 360 7 -0.0 -7.0 | 77 11 -10.4 -2.4 1 1000 141 350 9 1.6 -8.9 | 64 10 -8.9 -4.3 2 981 305 350 12 2.1 -11.8 | 49 11 -8.4 -7.2 3 947 610 5 12 -1.0 -12.0 | 57 14 -11.5 -7.4 4 925 817 5 7 -0.6 -7.0 | 78 11 -11.1 -2.4 5 915 914 40 6 -3.9 -4.6 | 90 14 -14.3 -0.0 6 882 1219 40 3 -1.9 -2.3 | 101 13 -12.4 2.3 7 850 1539 160 6 -2.1 5.6 | 129 16 -12.5 10.2 8 821 1829 200 10 3.4 9.4 | 153 16 -7.0 14.0 9 791 2134 205 7 3.0 6.3 | 146 13 -7.5 10.9 10 735 2743 205 16 6.8 14.5 | 169 19 -3.7 19.1 11 708 3048 220 15 9.6 11.5 | 177 16 -0.8 16.1 12 700 3148 215 14 8.0 11.5 | 171 16 -2.4 16.1 13 682 3353 210 13 6.5 11.3 | 166 16 -3.9 15.8 14 657 3658 225 22 15.6 15.6 | 194 21 5.1 20.1 15 632 3962 260 6 5.9 1.0 | 141 7 -4.5 5.6 16 609 4267 260 12 11.8 2.1 | 192 7 1.4 6.7 17 586 4572 280 21 20.7 -3.6 | 265 10 10.2 0.9 18 543 5182 275 27 26.9 -2.4 | 262 17 16.5 2.2 19 504 5791 295 34 30.8 -14.4 | 296 23 20.4 -9.8 20 500 5850 290 32 30.1 -10.9 | 288 21 19.6 -6.4 21 465 6401 280 35 34.5 -6.1 | 274 24 24.0 -1.5 22 413 7315 290 57 53.6 -19.5 | 289 46 43.1 -14.9 23 400 7560 280 55 54.2 -9.6 | 276 44 43.7 -5.0 24 314 9351 275 66 65.7 -5.8 | 271 55 55.3 -1.2 25 310 9449 275 66 65.7 -5.8 | 271 55 55.3 -1.2 26 300 9680 275 62 61.8 -5.4 | 271 51 51.3 -0.8 27 250 10960 270 59 59.0 -0.0 | 265 49 48.6 4.6 28 228 11582 260 60 59.1 10.4 | 253 51 48.6 15.0 29 200 12450 275 60 59.8 -5.2 | 271 49 49.3 -0.6 30 180 13106 280 57 56.1 -9.9 | 277 46 45.7 -5.3 31 150 14260 265 59 58.8 5.1 | 259 49 48.3 9.7 32 134 14935 260 52 51.2 9.0 | 252 43 40.8 13.6 33 121 15534 275 52 51.8 -4.5 | 270 41 41.4 0.1 34 109 16154 275 56 55.8 -4.9 | 270 45 45.3 -0.3 35 103 16459 265 44 43.8 3.8 | 256 34 33.4 8.4 36 100 16630 270 40 40.0 -0.0 | 261 30 29.6 4.6 37 98 16764 270 40 40.0 -0.0 | 261 30 29.6 4.6 38 70 18680 360 1 -0.0 -1.0 | 109 11 -10.4 3.6 39 50 20690 100 3 -3.0 0.5 | 111 14 -13.4 5.1 Wind Parameters Mean winds (0-6000m): 263.7 at 15.2 knts Storm direction: 293.7 at 11.4 knts Shear (0-3000m) pos: 4.4 neg: 0.9 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 99.0 deg Storm rel helicity (0-3000m) pos: 134.7 neg: -18.7 tot: 116.0 m^2/s^2 ave: 38.7 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 4.7 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 2.96 Bulk Shear: 44.56 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 ------------------------------------------------------------------------------- 500 353 10 58 11| 0.0 5.1 5.1| 3.5 -13.8 -10.3 -20.6 -0.53| 7.6 -4.0 1000 1 10 65 12| 4.5 2.6 7.1| 31.9 -13.8 18.1 18.1 0.25| 9.3 2.3 1500 9 8 75 12| 5.9 1.7 7.6| 65.1 -13.8 51.3 34.2 0.45| 9.7 4.4 2000 6 8 74 12| 5.1 1.3 6.4| 98.0 -16.2 81.8 40.9 0.53| 9.7 5.1 2500 312 8 79 4| 4.9 1.0 5.9|113.8 -18.7 95.1 38.0 0.53| 9.1 4.8 3000 223 9 160 12| 4.4 0.9 5.3|134.7 -18.7 116.0 38.7 0.55| 8.7 4.7 4000 222 11 166 13| 1.6 0.4 2.0|177.6 -47.3 130.3 32.6 0.34| 10.1 3.4 5000 245 12 183 10| 2.6 0.3 2.9|206.7 -48.5 158.2 31.6 0.42| 10.2 4.2 6000 264 15 217 8| 2.6 0.3 2.9|259.8 -70.5 189.2 31.5 0.41| 10.0 4.1 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250420.11.gif