UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042723.upa.cvt Date: 2300Z 27 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 27 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 1010 5 22.4 14.4 61 8.0 17.2 245 16 294.7 296.6 290.0 324.2 10.26 1 1000 93 20.2 12.2 60 8.0 15.3 245 15 293.4 294.9 288.4 319.0 8.96 2 994 145 19.6 11.6 60 8.0 14.7 244 16 293.3 294.8 288.1 318.0 8.66 3 942 605 16.0 10.0 68 6.0 12.4 204 21 294.1 295.6 288.0 317.7 8.20 4 925 760 16.6 8.6 59 8.0 11.9 185 22 296.3 297.7 288.2 318.4 7.60 5 923 778 16.8 8.8 59 8.0 12.1 186 22 296.7 298.1 288.5 319.2 7.72 6 850 1477 14.0 4.0 51 10.0 8.5 200 19 300.8 301.9 288.3 318.7 6.00 7 700 3094 7.0 -7.0 36 14.0 0.6 235 29 310.2 310.8 288.9 320.5 3.23 8 681 3320 5.6 -7.4 39 13.0 -0.3 222 30 311.1 311.7 289.2 321.4 3.22 9 660 3576 6.4 -11.6 26 18.0 -1.2 224 33 314.8 315.3 289.6 322.6 2.38 10 613 4180 4.0 -35.0 4 39.0 -5.9 233 42 318.8 318.8 288.7 320.0 0.32 11 610 4220 3.8 -34.2 4 38.0 -6.0 234 43 319.0 319.1 288.8 320.3 0.35 12 510 5646 -7.3 -38.3 6 31.0 -13.5 235 42 322.3 322.4 289.8 323.3 0.27 13 500 5800 -7.5 -50.5 2 43.0 -14.2 240 49 323.9 323.9 290.0 324.2 0.07 14 466 6343 -10.5 -47.5 3 37.0 -16.3 243 53 326.8 326.8 290.9 327.2 0.11 15 400 7490 -21.5 -42.5 13 21.0 -24.4 250 61 327.0 327.1 291.1 327.9 0.23 16 380 7865 -24.9 -45.9 12 21.0 -27.3 250 61 327.4 327.4 291.2 328.0 0.16 17 365 8158 -23.5 -61.5 2 38.0 -26.6 250 70 333.1 333.1 292.6 333.2 0.03 18 300 9570 -30.3 -59.3 4 29.0 -32.4 255 105 342.7 342.7 295.0 342.9 0.04 19 280 10058 -32.1 -63.8 3 31.6 -34.1 255 111 346.9 346.9 296.0 347.0 0.03 20 270 10314 -33.1 -66.1 2 33.0 -35.0 255 111 349.1 349.1 296.4 349.2 0.02 21 250 10850 -37.3 -69.3 2 32.0 -38.7 260 106 350.6 350.6 296.8 350.7 0.01 22 200 12350 -50.1 -76.1 3 26.0 -50.6 260 107 353.4 353.4 297.4 353.5 0.01 23 169 13429 -59.5 -78.5 7 19.0 -59.7 254 95 355.2 355.2 297.7 355.3 0.01 24 150 14170 -62.9 -82.9 5 20.0 -63.0 250 72 361.7 361.7 299.0 361.7 0.00 25 111 15970 -73.7 -87.7 10 14.0 -73.7 250 53 374.0 374.0 301.2 374.0 0.00 26 100 16580 -72.1 -88.1 7 16.0 -72.2 230 29 388.4 388.4 303.6 388.4 0.00 27 84 17603 -75.7 -89.7 9 14.0 -75.7 199 18 401.0 401.0 305.3 401.0 0.00 28 70 18670 -72.5 -90.5 5 18.0 -72.6 160 4 429.3 429.3 308.7 429.3 0.00 29 69 18755 -72.7 -90.7 5 18.0 -72.8 156 4 430.6 430.6 308.9 430.6 0.00 30 56 20002 -65.5 -90.5 2 25.0 -65.8 90 7 473.5 473.5 313.0 473.5 0.00 31 52 20451 -66.9 -90.9 2 24.0 -67.1 67 8 480.4 480.4 313.5 480.4 0.00 32 50 20690 -63.5 -90.5 1 27.0 -63.8 55 8 493.8 493.8 314.5 493.9 0.00 33 47 21072 -60.7 -89.7 1 29.0 -61.3 60 10 509.4 509.4 315.6 509.4 0.00 34 38 22396 -60.1 -90.1 1 30.0 -60.9 79 15 542.8 542.8 317.7 542.8 0.00 35 30 23880 -57.3 -89.3 1 32.0 -58.6 100 21 588.4 588.4 320.0 588.5 0.00 36 20 26480 -52.3 -87.3 1 35.0 -55.2 30 14 676.1 676.1 323.6 676.2 0.01 37 19 26812 -51.7 -86.7 1 35.0 -54.8 687.9 687.9 324.0 688.0 0.01 TRP 111 15970 -73.7 -87.7 10 14.0 -73.7 250 53 374.0 374.0 301.2 374.0 0.00 WND 280 10058 -32.1 -63.8 3 31.6 -34.1 255 111 346.9 346.9 296.0 347.0 0.03 Sounding variables and indices 1000-500 mb thick: 5707.00 m Freezing level: 575.77 mb = 4707.87 m = 15445.59 ft Wetbulb zero: 686.91 mb = 3248.89 m = 10658.96 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 32.50 % Est. max temperature: 27.93 C = 82.27 F Sfc-Lift cond lev (LCL): 897.68 mb = 1014.30 m = 3327.70 ft T: 15.85 C 700-500 lapse rate: 5.36 C/km ThetaE index: 6.42 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 612.06 mb = 4192.30 m = 13754.08 ft Mean mixing ratio: 8.34 g/kg Conv temperature: 46.62 C = 115.91 F Cap Strength: 10.61 C Lifted Index: 9.71 C Risk: None Lifted Index @300 mb: 17.55 C Lifted Index @700 mb: 7.21 C Showalter Index: 9.59 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: 11.50 Risk: None Sweat Index: 240.35 Risk: None Energy Index: 1.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.45 J/kg Max Up Vert Vel: 5.56 m/s Conv Inhibition (B-): 42958.99 J/kg Cap Strength: 10.63 C Lift Cond Lev (LCL): 859.91 mb = 1378.72 m = 4523.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 23 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 1010 5 245 16 14.5 6.8 | 101 8 -7.9 1.6 1 1000 93 245 15 13.6 6.3 | 97 9 -8.8 1.1 2 976 305 240 19 16.5 9.5 | 126 7 -5.9 4.3 3 925 760 185 22 1.9 21.9 | 129 26 -20.5 16.7 4 908 914 190 22 3.8 21.7 | 132 25 -18.6 16.5 5 876 1219 190 19 3.3 18.7 | 125 23 -19.1 13.5 6 850 1477 200 19 6.5 17.9 | 129 20 -15.9 12.7 7 845 1524 200 19 6.5 17.9 | 129 20 -15.9 12.7 8 786 2134 210 19 9.5 16.5 | 131 17 -12.9 11.3 9 704 3048 240 30 26.0 15.0 | 200 10 3.6 9.8 10 700 3094 235 29 23.8 16.6 | 187 12 1.4 11.4 11 678 3353 220 30 19.3 23.0 | 170 18 -3.1 17.8 12 605 4267 235 44 36.0 25.2 | 214 24 13.6 20.0 13 501 5791 235 42 34.4 24.1 | 212 22 12.0 18.9 14 500 5800 240 49 42.4 24.5 | 226 28 20.0 19.3 15 400 7490 250 61 57.3 20.9 | 246 38 34.9 15.7 16 377 7925 250 61 57.3 20.9 | 246 38 34.9 15.7 17 346 8534 250 84 78.9 28.7 | 247 61 56.5 23.5 18 300 9570 255 105 101.4 27.2 | 254 82 79.0 22.0 19 280 10058 255 111 107.2 28.7 | 254 88 84.8 23.5 20 268 10363 255 111 107.2 28.7 | 254 88 84.8 23.5 21 250 10850 260 106 104.4 18.4 | 261 83 82.0 13.2 22 200 12350 260 107 105.4 18.6 | 261 84 83.0 13.4 23 177 13106 255 105 101.4 27.2 | 254 82 79.0 22.0 24 150 14170 250 72 67.7 24.6 | 247 49 45.3 19.4 25 139 14630 250 64 60.1 21.9 | 246 41 37.7 16.7 26 125 15240 265 50 49.8 4.4 | 272 27 27.4 -0.8 27 119 15545 270 55 55.0 -0.0 | 279 33 32.6 -5.2 28 113 15850 265 61 60.8 5.3 | 270 38 38.4 0.1 29 111 15970 250 53 49.8 18.1 | 245 30 27.4 12.9 30 102 16459 245 46 41.7 19.4 | 234 24 19.3 14.2 31 100 16580 230 29 22.2 18.6 | 179 13 -0.2 13.4 32 97 16764 230 29 22.2 18.6 | 179 13 -0.2 13.4 33 70 18670 160 4 -1.4 3.8 | 87 24 -23.8 -1.4 34 50 20690 55 8 -6.6 -4.6 | 71 31 -29.0 -9.8 35 30 23880 100 21 -20.7 3.6 | 88 43 -43.1 -1.5 36 20 26480 30 14 -7.0 -12.1 | 60 34 -29.4 -17.3 Wind Parameters Mean winds (0-6000m): 227.0 at 30.7 knts Storm direction: 257.0 at 23.0 knts Shear (0-3000m) pos: 3.8 neg: 3.0 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 93.9 deg Storm rel helicity (0-3000m) pos: 78.4 neg: -31.8 tot: 46.6 m^2/s^2 ave: 15.5 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.65 Bulk Shear: 23.75 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 ------------------------------------------------------------------------------- 500 236 18 122 9| 0.0 10.4 10.4| 12.5 -0.8 11.6 23.2 0.40| 13.6 5.4 1000 212 20 134 16| 0.0 9.1 9.1| 17.0 -20.8 -3.8 -3.8 0.10| 13.5 1.3 1500 205 20 132 19| 1.4 6.1 7.5| 23.4 -31.8 -8.4 -5.6 0.06| 10.8 0.7 2000 205 19 131 19| 1.7 4.6 6.2| 27.0 -31.8 -4.8 -2.4 0.08| 8.8 0.7 2500 207 20 133 18| 2.6 3.6 6.2| 50.1 -31.8 18.3 7.3 0.20| 8.5 1.7 3000 213 21 138 17| 3.8 3.0 6.8| 78.4 -31.8 46.6 15.5 0.34| 8.7 3.0 4000 218 24 151 16| 4.0 3.4 7.4|133.2 -49.4 83.9 21.0 0.32| 9.2 2.9 5000 224 28 168 15| 3.7 2.7 6.4|160.6 -51.5 109.1 21.8 0.35| 8.0 2.8 6000 227 31 180 16| 3.9 2.3 6.1|209.5 -53.6 156.0 26.0 0.38| 7.6 2.9 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250427.23.gif