UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041611.upa.cvt Date: 1100Z 16 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 16 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 19.8 14.8 73 5.0 16.6 155 11 291.9 293.7 289.2 321.6 10.50 1 1010 31 20.4 13.4 64 7.0 16.0 155 13 292.7 294.4 288.8 320.1 9.60 2 1000 117 20.0 13.0 64 7.0 15.6 155 20 293.1 294.8 288.8 320.1 9.45 3 972 362 20.0 11.0 56 9.0 14.5 161 23 295.5 297.1 288.8 320.1 8.50 4 925 787 16.0 11.1 73 4.9 13.0 205 10 295.7 297.3 289.3 321.7 9.00 5 873 1276 12.0 9.6 85 2.4 10.6 193 16 296.4 298.0 289.2 321.5 8.62 6 852 1480 11.2 10.7 97 0.5 10.9 222 21 297.7 299.4 290.4 325.4 9.53 7 850 1500 11.2 10.7 97 0.5 10.9 225 21 297.9 299.6 290.5 325.7 9.55 8 841 1589 11.4 10.0 91 1.4 10.6 229 23 299.0 300.7 290.6 326.0 9.20 9 764 2383 5.4 2.9 84 2.5 4.1 197 20 300.8 302.0 288.5 319.3 6.18 10 756 2469 6.6 -14.4 21 21.0 -1.2 194 19 303.0 303.4 284.7 308.3 1.66 11 725 2813 7.2 -29.8 5 37.0 -2.9 184 14 307.4 307.4 284.9 308.9 0.44 12 700 3101 5.6 -26.4 8 32.0 -3.7 180 12 308.7 308.8 285.6 310.8 0.63 13 680 3338 5.4 -29.6 6 35.0 -4.2 208 20 311.0 311.1 286.3 312.7 0.48 14 644 3782 5.6 -32.4 4 38.0 -4.6 219 25 316.1 316.2 287.9 317.5 0.39 15 539 5212 -3.3 -33.3 8 30.0 -10.5 230 23 322.0 322.1 289.9 323.6 0.43 16 500 5800 -8.3 -39.3 6 31.0 -14.3 235 27 322.9 323.0 289.9 323.9 0.25 17 441 6756 -16.5 -40.5 11 24.0 -20.4 243 32 324.4 324.4 290.3 325.3 0.25 18 405 7389 -21.3 -46.3 9 25.0 -24.4 249 35 326.1 326.2 290.7 326.7 0.15 19 400 7480 -21.9 -43.9 12 22.0 -24.8 250 36 326.5 326.6 290.9 327.3 0.19 20 391 7648 -23.1 -40.1 20 17.0 -25.5 251 36 327.1 327.1 291.2 328.2 0.30 21 379 7877 -24.9 -29.7 64 4.8 -25.8 253 37 327.6 327.8 291.9 330.7 0.86 22 364 8171 -26.3 -48.3 11 22.0 -28.6 255 38 329.6 329.6 291.7 330.1 0.13 23 300 9540 -38.7 -47.7 38 9.0 -39.4 260 38 330.8 330.9 292.1 331.5 0.17 24 290 9770 -41.1 -49.1 42 8.0 -41.6 261 40 330.6 330.7 292.0 331.2 0.15 25 285 9887 -41.7 -58.7 14 17.0 -42.4 262 41 331.4 331.4 292.2 331.6 0.05 26 275 10127 -43.5 -55.5 25 12.0 -44.0 264 43 332.2 332.2 292.4 332.5 0.08 27 250 10760 -46.5 -69.5 6 23.0 -47.0 260 42 336.9 336.9 293.6 337.0 0.01 28 249 10786 -46.7 -70.7 5 24.0 -47.3 260 42 337.0 337.0 293.6 337.1 0.01 29 200 12210 -54.5 -73.5 8 19.0 -54.8 255 45 346.5 346.5 295.8 346.5 0.01 30 193 12438 -56.1 -73.1 10 17.0 -56.3 251 47 347.4 347.5 296.1 347.5 0.01 31 181 12847 -55.5 -78.5 4 23.0 -55.8 245 50 354.9 354.9 297.7 354.9 0.00 32 150 14030 -61.1 -81.1 5 20.0 -61.3 250 39 364.8 364.8 299.6 364.8 0.00 33 113 15757 -68.7 -86.7 6 18.0 -68.8 250 28 381.4 381.4 302.5 381.4 0.00 34 100 16490 -67.7 -86.7 5 19.0 -67.8 275 25 396.9 396.9 304.8 396.9 0.00 35 73 18378 -69.3 -89.3 4 20.0 -69.4 266 17 430.9 430.9 308.9 430.9 0.00 36 70 18630 -67.7 -88.7 3 21.0 -67.8 265 16 439.5 439.6 309.8 439.6 0.00 37 64 19169 -68.1 -89.1 3 21.0 -68.2 226 15 450.1 450.1 310.8 450.1 0.00 38 60 19560 -64.3 -88.3 2 24.0 -64.6 199 14 467.0 467.0 312.4 467.0 0.00 39 53 20315 -66.9 -88.9 3 22.0 -67.1 145 13 477.8 477.8 313.2 477.8 0.00 40 50 20670 -63.3 -88.3 2 25.0 -63.7 120 12 494.3 494.3 314.5 494.3 0.00 41 49 20794 -62.7 -87.7 2 25.0 -63.1 118 13 498.6 498.6 314.8 498.6 0.00 42 42 21741 -64.7 -88.7 2 24.0 -65.1 105 17 516.1 516.1 316.1 516.1 0.00 43 31 23641 -54.7 -83.7 2 29.0 -56.3 78 26 590.0 590.0 320.2 590.0 0.01 44 30 23850 -55.7 -83.7 2 28.0 -57.2 75 27 592.8 592.8 320.3 592.9 0.01 45 29 24066 -56.1 -84.1 2 28.0 -57.5 597.5 597.5 320.5 597.5 0.01 46 23 25556 -51.1 -82.1 1 31.0 -53.9 653.1 653.1 322.8 653.3 0.02 47 23 25556 -51.3 -82.3 1 31.0 -54.1 652.5 652.5 322.8 652.7 0.02 TRP 113 15757 -68.7 -86.7 6 18.0 -68.8 250 28 381.4 381.4 302.5 381.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5683.00 m Freezing level: 577.93 mb = 4681.50 m = 15359.08 ft Wetbulb zero: 757.77 mb = 2449.75 m = 8037.13 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 36.19 % Est. max temperature: 24.98 C = 76.96 F Sfc-Lift cond lev (LCL): 940.80 mb = 641.84 m = 2105.74 ft T: 17.37 C 700-500 lapse rate: 5.15 C/km ThetaE index: 17.65 C Layer 764.0- 725.0 mb Conv cond level (CCL): 809.57 mb = 1903.75 m = 6245.83 ft Mean mixing ratio: 8.95 g/kg Conv temperature: 27.71 C = 81.87 F Cap Strength: 8.74 C Lifted Index: 7.68 C Risk: None Lifted Index @300 mb: 7.69 C Lifted Index @700 mb: 4.88 C Showalter Index: 5.04 C Risk: None Total Totals Index: 38.50 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: 19.00 C K Index: -1.80 Risk: None Sweat Index: 244.11 Risk: None Energy Index: -0.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.85 J/kg Max Up Vert Vel: 5.07 m/s Conv Inhibition (B-): 33092.84 J/kg Cap Strength: 8.74 C Lift Cond Lev (LCL): 867.93 mb = 1325.00 m = 4347.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 239 at 15 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 5 155 11 -4.6 10.0 | 98 18 -17.4 2.4 1 1000 117 155 20 -8.5 18.1 | 116 24 -21.2 10.5 2 978 305 155 25 -10.6 22.7 | 123 28 -23.3 15.1 3 944 610 185 15 1.3 14.9 | 123 14 -11.4 7.4 4 925 787 205 10 4.2 9.1 | 100 9 -8.5 1.5 5 911 914 195 14 3.6 13.5 | 123 11 -9.1 5.9 6 879 1219 185 15 1.3 14.9 | 123 14 -11.4 7.4 7 850 1500 225 21 14.8 14.8 | 196 8 2.1 7.3 8 848 1524 230 23 17.6 14.8 | 214 9 4.9 7.2 9 817 1829 225 25 17.7 17.7 | 206 11 4.9 10.1 10 787 2134 205 23 9.7 20.8 | 167 14 -3.0 13.3 11 759 2438 195 19 4.9 18.4 | 144 13 -7.8 10.8 12 731 2743 185 15 1.3 14.9 | 123 14 -11.4 7.4 13 705 3048 180 12 0.0 12.0 | 109 13 -12.7 4.4 14 700 3101 180 12 0.0 12.0 | 109 13 -12.7 4.4 15 678 3353 210 21 10.5 18.2 | 168 11 -2.2 10.6 16 653 3658 215 27 15.5 22.1 | 191 15 2.7 14.5 17 629 3962 225 22 15.6 15.6 | 199 8 2.8 8.0 18 605 4267 215 16 9.2 13.1 | 147 7 -3.6 5.5 19 583 4572 195 14 3.6 13.5 | 123 11 -9.1 5.9 20 540 5182 230 23 17.6 14.8 | 214 9 4.9 7.2 21 500 5800 235 27 22.1 15.5 | 230 12 9.4 7.9 22 400 7480 250 36 33.8 12.3 | 257 22 21.1 4.7 23 360 8230 255 38 36.7 9.8 | 265 24 24.0 2.2 24 345 8534 250 41 38.5 14.0 | 256 27 25.8 6.4 25 300 9540 260 38 37.4 6.6 | 272 25 24.7 -1.0 26 265 10363 265 45 44.8 3.9 | 277 32 32.1 -3.7 27 250 10760 260 42 41.4 7.3 | 271 29 28.6 -0.3 28 200 12210 255 45 43.5 11.6 | 262 31 30.7 4.1 29 182 12802 245 50 45.3 21.1 | 247 35 32.6 13.5 30 150 14030 250 39 36.6 13.3 | 256 25 23.9 5.7 31 143 14326 260 39 38.4 6.8 | 272 26 25.7 -0.8 32 123 15240 245 34 30.8 14.4 | 249 19 18.1 6.8 33 117 15545 260 37 36.4 6.4 | 273 24 23.7 -1.2 34 113 15757 250 28 26.3 9.6 | 262 14 13.6 2.0 35 111 15850 240 30 26.0 15.0 | 241 15 13.2 7.4 36 101 16459 280 26 25.6 -4.5 | 313 18 12.9 -12.1 37 100 16490 275 25 24.9 -2.2 | 309 16 12.2 -9.8 38 96 16764 275 25 24.9 -2.2 | 309 16 12.2 -9.8 39 70 18630 265 16 15.9 1.4 | 333 7 3.2 -6.2 40 50 20670 120 12 -10.4 6.0 | 86 23 -23.1 -1.6 41 30 23850 75 27 -26.1 -7.0 | 69 41 -38.8 -14.6 Wind Parameters Mean winds (0-6000m): 209.2 at 19.8 knts Storm direction: 239.2 at 14.8 knts Shear (0-3000m) pos: 3.5 neg: 2.7 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 13.2 deg Storm rel helicity (0-3000m) pos: 110.6 neg: -90.2 tot: 20.4 m^2/s^2 ave: 6.8 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 14.0 stream: 0.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.32 Bulk Shear: 39.70 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 ------------------------------------------------------------------------------- 500 158 21 120 23| 9.1 0.0 9.1| 65.0 0.0 65.0 130.1 0.47| 24.7 11.5 1000 171 17 121 18| 4.4 0.0 4.4| 73.5 -14.2 59.2 59.2 0.25| 20.2 5.1 1500 181 17 127 16| 7.1 0.0 7.1|106.7 -14.5 92.2 61.4 0.41| 19.1 7.9 2000 196 19 144 13| 5.3 1.4 6.7|110.6 -32.4 78.2 39.1 0.29| 16.7 4.8 2500 197 19 147 13| 4.2 2.4 6.7|110.6 -66.6 43.9 17.6 0.12| 15.4 1.8 3000 196 19 143 13| 3.5 2.7 6.2|110.6 -90.2 20.4 6.8 0.03| 14.0 0.4 4000 200 19 150 12| 4.5 2.0 6.5|169.2 -92.7 76.5 19.1 0.19| 13.7 2.6 5000 202 19 150 11| 4.5 2.6 7.1|189.9-109.8 80.1 16.0 0.16| 13.0 2.1 6000 209 20 162 10| 4.6 2.2 6.8|210.9-109.8 101.1 16.9 0.21| 11.8 2.4 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250416.11.gif