UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 18 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 1015 5 23.6 18.6 74 5.0 20.2 0 0 295.5 297.9 292.8 334.0 13.40 1 1000 136 21.4 16.6 74 4.8 18.2 340 3 294.5 296.7 291.4 328.8 11.96 2 992 206 20.6 16.4 77 4.2 17.8 336 4 294.4 296.6 291.3 328.5 11.90 3 925 806 16.2 13.6 85 2.6 14.6 315 12 295.9 297.8 290.7 326.6 10.64 4 904 1001 14.8 12.5 86 2.3 13.4 310 10 296.4 298.2 290.5 325.7 10.12 5 890 1134 15.4 9.4 67 6.0 11.8 287 9 298.3 299.8 289.6 322.7 8.34 6 850 1523 13.0 7.0 67 6.0 9.5 220 8 299.8 301.1 289.2 321.6 7.41 7 805 1977 9.6 1.6 57 8.0 5.4 142 5 300.8 301.8 287.7 316.8 5.34 8 740 2673 8.0 -14.0 19 22.0 -0.4 169 4 306.4 306.8 286.1 312.1 1.75 9 734 2741 8.6 -21.4 10 30.0 -1.3 176 4 307.8 308.0 285.7 310.9 0.94 10 721 2889 9.4 -15.6 15 25.0 -0.2 190 4 310.3 310.6 287.2 315.4 1.57 11 700 3133 8.0 -16.0 16 24.0 -1.1 215 4 311.3 311.6 287.6 316.5 1.57 12 678 3395 6.2 -16.8 17 23.0 -2.3 221 4 312.2 312.5 287.8 317.2 1.51 13 642 3840 5.8 -27.2 7 33.0 -4.1 232 4 316.6 316.8 288.4 318.9 0.64 14 514 5615 -6.7 -39.7 5 33.0 -13.2 263 16 322.3 322.4 289.8 323.2 0.24 15 500 5830 -6.9 -44.9 3 38.0 -13.6 265 19 324.6 324.7 290.3 325.2 0.14 16 466 6377 -9.7 -47.7 3 38.0 -15.8 274 21 327.7 327.8 291.2 328.2 0.11 17 406 7428 -16.3 -45.3 6 29.0 -20.7 262 35 332.4 332.4 292.5 333.0 0.16 18 400 7540 -16.7 -35.7 18 19.0 -20.4 265 37 333.3 333.4 293.0 335.0 0.46 19 397 7597 -17.1 -34.1 21 17.0 -20.5 265 37 333.5 333.6 293.2 335.5 0.54 20 352 8488 -24.5 -28.5 69 4.0 -25.4 247 41 335.2 335.4 294.1 339.0 1.04 21 327 9023 -27.7 -29.8 82 2.1 -28.1 251 61 337.9 338.1 294.7 341.6 0.99 22 300 9640 -30.7 -38.7 45 8.0 -31.8 255 85 342.1 342.2 295.3 343.9 0.45 23 295 9758 -31.5 -39.5 45 8.0 -32.6 255 86 342.6 342.7 295.3 344.3 0.42 24 294 9782 -31.3 -37.3 55 6.0 -32.2 255 86 343.2 343.4 295.6 345.3 0.53 25 281 10098 -33.9 -37.0 73 3.1 -34.3 259 88 344.0 344.1 295.8 346.2 0.57 26 277 10198 -34.7 -38.3 70 3.6 -35.2 260 89 344.2 344.3 295.8 346.2 0.51 27 258 10686 -38.7 -44.7 53 6.0 -39.2 263 88 345.4 345.5 295.8 346.5 0.28 28 250 10900 -40.3 -49.3 38 9.0 -40.9 265 87 346.2 346.2 295.9 346.9 0.17 29 234 11349 -42.5 -64.5 7 22.0 -43.3 262 86 349.4 349.4 296.5 349.5 0.03 30 200 12390 -51.3 -65.3 17 14.0 -51.7 255 83 351.5 351.5 297.0 351.7 0.03 31 189 12756 -54.3 -63.3 32 9.0 -54.5 252 84 352.4 352.4 297.2 352.6 0.04 32 187 12824 -54.7 -68.7 16 14.0 -54.9 251 84 352.9 352.9 297.3 352.9 0.02 33 172 13353 -59.5 -65.5 46 6.0 -59.6 246 85 353.5 353.5 297.4 353.6 0.03 34 170 13427 -59.3 -71.3 20 12.0 -59.5 245 85 355.0 355.0 297.7 355.0 0.01 35 161 13766 -61.9 -77.9 10 16.0 -62.0 247 86 356.2 356.2 298.0 356.2 0.01 36 150 14200 -65.7 -76.7 20 11.0 -65.8 250 87 356.9 356.9 298.1 356.9 0.01 37 146 14364 -67.1 -76.1 27 9.0 -67.2 250 87 357.2 357.2 298.1 357.3 0.01 38 129 15100 -73.1 -81.1 29 8.0 -73.1 257 80 359.3 359.3 298.6 359.4 0.00 39 120 15523 -73.9 -87.9 10 14.0 -73.9 264 74 365.4 365.4 299.7 365.4 0.00 40 100 16580 -76.7 -87.7 16 11.0 -76.7 245 36 379.5 379.5 302.2 379.5 0.00 41 91 17120 -79.7 -88.7 21 9.0 -79.7 260 38 384.0 384.0 302.9 384.0 0.00 42 75 18228 -76.5 -89.5 11 13.0 -76.6 234 28 412.5 412.5 306.8 412.5 0.00 43 70 18630 -72.9 -88.9 7 16.0 -73.0 225 24 428.4 428.4 308.7 428.4 0.00 44 56 19955 -65.7 -88.7 3 23.0 -66.0 318 13 473.1 473.1 312.9 473.1 0.00 45 50 20640 -65.9 -87.9 3 22.0 -66.2 5 7 488.2 488.2 314.1 488.2 0.00 46 43 21562 -63.3 -87.3 2 24.0 -63.7 20 6 516.1 516.1 316.1 516.1 0.00 47 30 23810 -56.9 -83.9 2 27.0 -58.2 55 5 589.5 589.5 320.1 589.6 0.01 TRP 91 17120 -79.7 -88.7 21 9.0 -79.7 260 38 384.0 384.0 302.9 384.0 0.00 WND 277 10198 -34.7 -38.3 70 3.6 -35.2 260 89 344.2 344.3 295.8 346.2 0.51 Sounding variables and indices 1000-500 mb thick: 5694.00 m Freezing level: 582.61 mb = 4663.71 m = 15300.69 ft Wetbulb zero: 744.98 mb = 2617.97 m = 8589.04 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 33.51 % Est. max temperature: 27.35 C = 81.22 F Sfc-Lift cond lev (LCL): 943.40 mb = 636.90 m = 2089.53 ft T: 17.44 C 700-500 lapse rate: 5.52 C/km ThetaE index: 23.04 C Layer 1000.0- 721.0 mb Conv cond level (CCL): 859.69 mb = 1427.09 m = 4682.00 ft Mean mixing ratio: 11.45 g/kg Conv temperature: 27.54 C = 81.56 F Cap Strength: 6.01 C Lifted Index: 5.27 C Risk: None Lifted Index @300 mb: 10.82 C Lifted Index @700 mb: 4.41 C Showalter Index: 8.61 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 19.90 C Cross Totals Index: 13.90 C K Index: 2.90 Risk: None Sweat Index: 119.00 Risk: None Energy Index: 0.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.73 J/kg Max Up Vert Vel: 2.34 m/s Conv Inhibition (B-): 24235.15 J/kg Cap Strength: 5.87 C Lift Cond Lev (LCL): 914.37 mb = 904.31 m = 2966.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 7 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 1015 5 0 0 -0.0 -0.0 | 111 7 -6.1 2.3 1 1000 136 340 3 1.0 -2.8 | 84 5 -5.1 -0.5 2 946 610 315 13 9.2 -9.2 | 336 8 3.1 -6.9 3 925 806 315 12 8.5 -8.5 | 339 7 2.4 -6.2 4 913 914 325 10 5.7 -8.2 | 4 6 -0.4 -5.9 5 850 1523 220 8 5.1 6.1 | 173 8 -1.0 8.4 6 850 1524 220 10 6.4 7.7 | 182 10 0.3 10.0 7 790 2134 115 3 -2.7 1.3 | 112 10 -8.8 3.6 8 700 3133 215 4 2.3 3.3 | 146 7 -3.8 5.6 9 631 3962 235 4 3.3 2.3 | 148 5 -2.8 4.6 10 608 4267 270 10 10.0 -0.0 | 239 5 3.9 2.3 11 585 4572 250 14 13.2 4.8 | 225 10 7.0 7.1 12 502 5791 265 16 15.9 1.4 | 249 10 9.8 3.7 13 500 5830 265 19 18.9 1.7 | 253 13 12.8 4.0 14 464 6401 275 21 20.9 -1.8 | 268 15 14.8 0.5 15 446 6706 240 23 19.9 11.5 | 225 20 13.8 13.8 16 400 7540 265 37 36.9 3.2 | 260 31 30.7 5.5 17 396 7620 265 37 36.9 3.2 | 260 31 30.7 5.5 18 364 8230 245 32 29.0 13.5 | 235 28 22.9 15.8 19 300 9640 255 85 82.1 22.0 | 252 80 76.0 24.3 20 295 9754 255 86 83.1 22.3 | 252 81 76.9 24.6 21 277 10198 260 89 87.6 15.5 | 258 83 81.5 17.8 22 270 10363 260 89 87.6 15.5 | 258 83 81.5 17.8 23 250 10900 265 87 86.7 7.6 | 263 81 80.5 9.9 24 200 12390 255 83 80.2 21.5 | 252 78 74.0 23.8 25 170 13411 245 85 77.0 35.9 | 242 81 70.9 38.2 26 150 14200 250 87 81.8 29.8 | 247 82 75.6 32.1 27 139 14630 250 87 81.8 29.8 | 247 82 75.6 32.1 28 119 15545 265 73 72.7 6.4 | 263 67 66.6 8.7 29 100 16580 245 36 32.6 15.2 | 237 32 26.5 17.5 30 97 16764 245 36 32.6 15.2 | 237 32 26.5 17.5 31 91 17120 260 38 37.4 6.6 | 254 33 31.3 8.9 32 70 18630 225 24 17.0 17.0 | 209 22 10.8 19.3 33 50 20640 5 7 -0.6 -7.0 | 55 8 -6.7 -4.7 34 30 23810 55 5 -4.1 -2.9 | 87 10 -10.2 -0.6 Wind Parameters Mean winds (0-6000m): 260.6 at 8.7 knts Storm direction: 290.6 at 6.5 knts Shear (0-3000m) pos: 0.8 neg: 0.8 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 31.0 deg Storm rel helicity (0-3000m) pos: 14.9 neg: -66.1 tot: -51.3 m^2/s^2 ave: -17.1 10^-3 m/s^2 rel: -0.59 Storm rel vorticity (0-3000m) horiz: 9.0 stream: -5.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.31 Bulk Shear: 8.74 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 ------------------------------------------------------------------------------- 500 326 6 53 4| 0.0 11.1 11.1| 0.0 -14.1 -14.1 -28.2 -0.94| 11.6-10.9 1000 318 9 6 4| 0.0 5.0 5.0| 4.5 -19.8 -15.3 -15.3 -0.59| 10.2 -6.0 1500 307 9 345 3| 0.0 2.8 2.8| 4.5 -32.5 -28.0 -18.7 -0.69| 11.5 -8.0 2000 291 8 294 2| 0.0 1.2 1.2| 4.5 -62.4 -57.9 -28.9 -0.74| 11.7 -8.7 2500 287 7 261 1| 0.3 0.9 1.2| 9.0 -66.1 -57.1 -22.8 -0.68| 10.1 -6.8 3000 278 7 200 1| 0.8 0.8 1.5| 14.9 -66.1 -51.3 -17.1 -0.59| 9.0 -5.3 4000 263 6 177 3| 0.9 0.6 1.5| 17.5 -66.1 -48.6 -12.2 -0.52| 7.1 -3.7 5000 260 7 194 4| 1.8 0.5 2.2| 28.7 -69.4 -40.7 -8.1 -0.33| 7.1 -2.3 6000 261 9 214 4| 2.0 0.4 2.3| 42.7 -69.4 -26.7 -4.5 -0.24| 6.5 -1.6 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250418.23.gif