UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042123.upa.cvt Date: 2300Z 21 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 21 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 1013 5 22.0 14.0 60 8.0 16.9 230 12 294.1 295.8 289.5 322.6 9.96 1 1000 113 20.4 11.4 56 9.0 14.9 235 11 293.5 295.1 288.1 317.9 8.49 2 925 780 15.4 3.4 45 12.0 9.0 230 21 295.1 296.0 285.5 310.5 5.28 3 888 1124 12.4 1.4 47 11.0 6.8 238 16 295.4 296.3 285.1 309.4 4.77 4 879 1210 12.8 -5.2 28 18.0 4.7 235 16 296.7 297.2 283.6 305.6 2.95 5 850 1491 12.2 -9.8 20 22.0 3.1 250 21 298.9 299.3 283.6 305.5 2.13 6 841 1580 11.8 -9.2 22 21.0 3.0 256 19 299.4 299.8 284.0 306.4 2.26 7 722 2835 3.4 -18.6 18 22.0 -3.8 290 24 303.6 303.8 284.4 307.5 1.22 8 700 3085 2.4 -25.6 11 28.0 -5.4 285 30 305.1 305.3 284.4 307.4 0.68 9 658 3582 0.0 -43.0 2 43.0 -8.1 285 40 307.9 307.9 284.7 308.4 0.13 10 635 3866 -1.1 -33.1 7 32.0 -8.5 292 47 309.8 309.9 285.7 311.1 0.37 11 572 4690 -7.1 -36.1 8 29.0 -12.9 294 50 312.1 312.2 286.5 313.2 0.31 12 535 5211 -7.5 -49.5 2 42.0 -13.8 287 57 317.7 317.7 288.1 318.0 0.08 13 525 5358 -4.9 -49.9 2 45.0 -12.3 285 59 322.5 322.5 289.6 322.8 0.08 14 500 5740 -6.9 -47.9 2 41.0 -13.7 280 64 324.6 324.6 290.3 325.0 0.10 15 423 7028 -14.1 -58.1 1 44.0 -19.3 272 57 331.3 331.3 292.1 331.5 0.04 16 400 7450 -17.9 -56.9 2 39.0 -22.1 275 53 331.7 331.7 292.2 331.9 0.04 17 347 8492 -26.1 -63.1 2 37.0 -28.7 275 57 334.4 334.4 292.9 334.5 0.02 18 336 8725 -25.3 -64.3 1 39.0 -28.2 277 62 338.6 338.6 294.0 338.7 0.02 19 301 9516 -28.3 -64.3 2 36.0 -30.8 285 79 345.2 345.2 295.6 345.3 0.02 20 300 9540 -28.7 -64.7 2 36.0 -31.2 285 78 344.9 344.9 295.5 345.0 0.02 21 253 10738 -36.5 -69.5 2 33.0 -38.0 285 87 350.6 350.6 296.8 350.7 0.01 22 250 10820 -37.3 -69.3 2 32.0 -38.7 285 88 350.6 350.6 296.8 350.7 0.01 23 200 12320 -48.9 -75.9 3 27.0 -49.4 275 93 355.3 355.3 297.8 355.4 0.01 24 161 13712 -60.5 -78.3 8 17.8 -60.7 275 103 358.5 358.5 298.4 358.6 0.01 25 158 13829 -61.5 -78.5 9 17.0 -61.6 275 103 358.8 358.8 298.5 358.8 0.01 26 150 14150 -63.9 -79.9 10 16.0 -64.0 270 92 360.0 360.0 298.7 360.0 0.00 27 146 14316 -64.9 -80.9 9 16.0 -65.0 270 85 361.1 361.1 298.9 361.1 0.00 28 100 16600 -70.3 -88.3 5 18.0 -70.4 265 36 391.9 391.9 304.0 391.9 0.00 29 77 18126 -76.3 -89.3 11 13.0 -76.3 290 21 409.8 409.8 306.5 409.8 0.00 30 70 18680 -72.3 -89.3 6 17.0 -72.4 240 20 429.7 429.7 308.8 429.7 0.00 31 64 19207 -72.1 -90.1 5 18.0 -72.2 203 21 441.3 441.3 310.0 441.3 0.00 32 60 19592 -65.9 -88.9 3 23.0 -66.1 176 22 463.4 463.4 312.1 463.4 0.00 33 56 20008 -68.9 -88.9 4 20.0 -69.1 147 23 465.8 465.8 312.3 465.8 0.00 34 50 20690 -66.1 -89.1 3 23.0 -66.4 100 24 487.7 487.7 314.1 487.7 0.00 35 40 22065 -59.9 -86.9 2 27.0 -60.6 109 17 535.4 535.4 317.2 535.5 0.01 36 37 22552 -60.5 -86.5 2 26.0 -61.2 112 15 546.0 546.0 317.9 546.0 0.01 37 30 23880 -53.7 -83.7 1 30.0 -55.5 120 8 598.2 598.2 320.5 598.3 0.01 38 24 25316 -53.3 -83.3 1 30.0 -55.5 638.8 638.8 322.3 638.9 0.02 TRP 77 18126 -76.3 -89.3 11 13.0 -76.3 290 21 409.8 409.8 306.5 409.8 0.00 WND 161 13712 -60.5 -78.3 8 17.8 -60.7 275 103 358.5 358.5 298.4 358.6 0.01 Sounding variables and indices 1000-500 mb thick: 5627.00 m Freezing level: 658.00 mb = 3582.24 m = 11752.61 ft Wetbulb zero: 788.33 mb = 2111.81 m = 6928.42 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 18.76 % Est. max temperature: 25.87 C = 78.56 F Sfc-Lift cond lev (LCL): 900.23 mb = 1008.81 m = 3309.69 ft T: 13.41 C 700-500 lapse rate: 3.50 C/km ThetaE index: 17.08 C Layer 1000.0- 841.0 mb Conv cond level (CCL): 728.39 mb = 2762.26 m = 9062.41 ft Mean mixing ratio: 6.96 g/kg Conv temperature: 31.29 C = 88.33 F Cap Strength: 11.90 C Lifted Index: 12.65 C Risk: None Lifted Index @300 mb: 21.91 C Lifted Index @700 mb: 4.37 C Showalter Index: 18.28 C Risk: None Total Totals Index: 16.20 C Risk: None Vertical Totals Index: 19.10 C Cross Totals Index: -2.90 C K Index: -18.70 Risk: None Sweat Index: 193.50 Risk: None Energy Index: 4.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.02 J/kg Max Up Vert Vel: 2.46 m/s Conv Inhibition (B-): 36231.36 J/kg Cap Strength: 12.43 C Lift Cond Lev (LCL): 828.06 mb = 1707.49 m = 5601.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 25 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 5 230 12 9.2 7.7 | 158 26 -9.7 24.4 1 1000 113 235 11 9.0 6.3 | 157 25 -9.9 23.0 2 944 610 230 22 16.9 14.1 | 176 31 -2.1 30.8 3 925 780 230 21 16.1 13.5 | 175 30 -2.8 30.1 4 910 914 245 16 14.5 6.8 | 169 24 -4.4 23.4 5 878 1219 235 16 13.1 9.2 | 167 26 -5.8 25.8 6 850 1491 250 21 19.7 7.2 | 182 24 0.8 23.8 7 816 1829 275 15 14.9 -1.3 | 166 16 -4.0 15.3 8 786 2134 305 8 6.6 -4.6 | 134 17 -12.4 12.1 9 700 3085 285 30 29.0 -7.8 | 229 13 10.1 8.9 10 677 3353 280 34 33.5 -5.9 | 234 18 14.6 10.7 11 626 3962 295 50 45.3 -21.1 | 280 27 26.4 -4.5 12 603 4267 300 45 39.0 -22.5 | 286 21 20.1 -5.9 13 500 5740 280 64 63.0 -11.1 | 263 44 44.1 5.5 14 497 5791 280 64 63.0 -11.1 | 263 44 44.1 5.5 15 441 6706 270 60 60.0 -0.0 | 248 44 41.1 16.6 16 400 7450 275 53 52.8 -4.6 | 250 36 33.9 12.0 17 391 7620 275 52 51.8 -4.5 | 250 35 32.9 12.1 18 345 8534 275 57 56.8 -5.0 | 253 40 37.9 11.7 19 304 9449 285 82 79.2 -21.2 | 274 60 60.3 -4.6 20 300 9540 285 78 75.3 -20.2 | 274 57 56.4 -3.5 21 250 10820 285 88 85.0 -22.8 | 275 66 66.1 -6.1 22 213 11887 275 94 93.6 -8.2 | 264 75 74.7 8.5 23 200 12320 275 93 92.6 -8.1 | 263 74 73.7 8.5 24 161 13712 275 103 102.6 -9.0 | 265 84 83.7 7.7 25 153 14021 275 103 102.6 -9.0 | 265 84 83.7 7.7 26 150 14150 270 92 92.0 -0.0 | 257 75 73.1 16.6 27 132 14935 270 59 59.0 -0.0 | 247 43 40.1 16.6 28 100 16600 265 36 35.9 3.1 | 221 26 17.0 19.8 29 97 16764 265 36 35.9 3.1 | 221 26 17.0 19.8 30 77 18126 290 21 19.7 -7.2 | 185 10 0.8 9.5 31 70 18680 240 20 17.3 10.0 | 177 27 -1.6 26.6 32 50 20690 100 24 -23.6 4.2 | 116 47 -42.5 20.8 33 30 23880 120 8 -6.9 4.0 | 129 33 -25.8 20.6 Wind Parameters Mean winds (0-6000m): 281.4 at 33.6 knts Storm direction: 311.4 at 25.2 knts Shear (0-3000m) pos: 2.8 neg: 2.1 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 65.0 deg Storm rel helicity (0-3000m) pos: 147.9 neg: -90.9 tot: 56.9 m^2/s^2 ave: 19.0 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 92.40 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 ------------------------------------------------------------------------------- 500 232 14 164 27| 7.9 0.0 7.9| 53.4 -4.4 49.0 97.9 0.69| 10.3 7.1 1000 233 17 169 27| 2.5 0.0 2.5| 66.3 -29.0 37.3 37.3 0.25| 10.4 2.6 1500 236 17 170 27| 3.6 0.0 3.6|108.0 -33.1 74.9 50.0 0.37| 9.9 3.7 2000 243 17 171 25| 3.1 0.0 3.1|108.0 -80.6 27.4 13.7 0.00| 11.3 0.0 2500 251 16 170 22| 3.3 0.0 3.3|121.3 -90.9 30.4 12.2 0.03| 11.3 0.3 3000 259 17 173 20| 2.8 2.1 4.9|147.9 -90.9 56.9 19.0 0.19| 11.5 2.2 4000 272 23 193 16| 3.9 2.9 6.8|258.7 -90.9 167.8 42.0 0.35| 12.0 4.2 5000 281 28 217 14| 3.1 3.1 6.2|271.7-130.9 140.9 28.2 0.26| 11.4 3.0 6000 281 34 234 17| 2.6 3.7 6.3|271.7-235.8 35.9 6.0 0.15| 10.9 1.7 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250421.23.gif