UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120111.upa.cvt Date: 1100Z 1 DEC 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 1 DEC 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 1005 5 24.4 20.3 78 4.1 21.5 325 10 297.1 299.9 294.5 340.7 15.08 1 1000 49 24.8 19.8 74 5.0 21.3 325 9 298.0 300.6 294.4 340.6 14.69 2 979 235 23.0 19.4 80 3.6 20.5 354 18 298.0 300.6 294.4 340.4 14.63 3 930 682 20.6 15.6 73 5.0 17.2 319 15 299.9 302.1 293.1 335.2 12.07 4 925 729 20.8 13.8 64 7.0 16.3 315 14 300.6 302.6 292.3 332.3 10.78 5 905 918 21.4 4.4 33 17.0 11.7 285 14 303.1 304.1 288.9 320.6 5.80 6 850 1456 16.6 0.6 34 16.0 8.2 240 19 303.5 304.4 288.1 317.8 4.70 7 841 1546 16.0 -3.0 27 19.0 6.6 243 19 303.8 304.5 287.1 315.0 3.64 8 701 3056 2.8 -3.2 65 6.0 -0.0 293 33 305.5 306.3 288.3 318.7 4.31 9 700 3068 2.6 -3.4 65 6.0 -0.2 290 32 305.4 306.2 288.2 318.4 4.25 10 633 3872 -3.7 -5.6 87 1.9 -4.6 294 47 307.1 307.8 288.6 319.5 3.98 11 598 4318 -6.5 -17.5 41 11.0 -10.0 279 52 308.9 309.2 286.8 314.2 1.62 12 595 4358 -6.1 -19.1 35 13.0 -10.1 279 53 309.8 310.1 286.9 314.5 1.42 13 584 4503 -7.1 -19.1 38 12.0 -10.8 276 58 310.3 310.6 287.1 315.0 1.44 14 580 4557 -5.9 -28.9 14 23.0 -11.5 275 59 312.3 312.4 286.9 314.4 0.61 15 552 4943 -8.3 -37.3 8 29.0 -13.8 269 71 313.9 314.0 287.1 314.9 0.28 16 528 5288 -7.7 -42.7 4 35.0 -13.9 266 79 318.6 318.7 288.5 319.3 0.17 17 500 5710 -10.1 -39.1 7 29.0 -15.4 270 84 320.7 320.8 289.3 321.7 0.26 18 411 7189 -20.7 -47.7 7 27.0 -23.9 283 77 325.5 325.6 290.6 326.0 0.12 19 400 7390 -20.7 -52.7 4 32.0 -24.1 290 80 328.1 328.1 291.3 328.4 0.07 20 399 7408 -20.7 -52.7 4 32.0 -24.1 290 80 328.3 328.3 291.3 328.6 0.07 21 342 8531 -27.7 -62.7 2 35.0 -30.1 297 102 333.6 333.6 292.7 333.7 0.02 22 323 8941 -28.9 -53.9 7 25.0 -31.0 299 110 337.4 337.5 293.7 337.8 0.08 23 304 9375 -28.1 -60.1 3 32.0 -30.6 300 120 344.5 344.5 295.4 344.6 0.04 24 300 9470 -28.9 -59.9 3 31.0 -31.3 300 122 344.6 344.7 295.5 344.8 0.04 25 250 10740 -39.3 -62.3 7 23.0 -40.4 300 124 347.6 347.6 296.1 347.8 0.04 26 220 11603 -46.4 -61.8 16 15.4 -47.0 300 128 349.6 349.6 296.6 349.8 0.04 27 215 11755 -47.7 -61.7 18 14.0 -48.2 300 128 349.9 349.9 296.7 350.1 0.04 28 212 11848 -48.3 -65.3 12 17.0 -48.8 300 128 350.4 350.4 296.7 350.5 0.03 29 205 12068 -49.9 -58.9 34 9.0 -50.2 297 127 351.3 351.3 297.0 351.5 0.07 30 202 12165 -49.7 -65.7 14 16.0 -50.1 296 127 353.1 353.1 297.3 353.2 0.03 31 200 12230 -50.1 -66.1 14 16.0 -50.5 295 127 353.4 353.4 297.4 353.5 0.03 32 173 13161 -57.7 -76.7 7 19.0 -57.9 295 118 355.8 355.9 297.9 355.9 0.01 33 161 13612 -60.3 -78.3 8 18.0 -60.4 295 114 358.9 358.9 298.5 358.9 0.01 34 150 14050 -62.9 -84.9 4 22.0 -63.0 295 110 361.7 361.7 299.0 361.7 0.00 35 109 15974 -73.7 -86.7 12 13.0 -73.7 290 85 375.9 376.0 301.6 376.0 0.00 36 100 16480 -73.5 -86.5 12 13.0 -73.5 290 69 385.7 385.7 303.2 385.7 0.00 37 96 16721 -69.9 -86.9 7 17.0 -70.0 290 69 397.3 397.3 304.8 397.3 0.00 38 73 18332 -74.9 -88.9 10 14.0 -75.0 255 36 419.1 419.1 307.6 419.1 0.00 39 70 18580 -67.5 -89.5 3 22.0 -67.7 250 31 440.0 440.0 309.8 440.0 0.00 40 68 18755 -65.5 -89.5 2 24.0 -65.7 241 29 448.0 448.0 310.7 448.0 0.00 41 65 19026 -67.7 -89.7 3 22.0 -67.9 226 25 449.0 449.0 310.7 449.0 0.00 42 63 19215 -64.3 -89.3 2 25.0 -64.6 216 22 460.5 460.5 311.8 460.5 0.00 43 53 20266 -65.5 -89.5 2 24.0 -65.8 159 7 481.0 481.0 313.5 481.1 0.00 44 50 20620 -64.1 -89.1 2 25.0 -64.4 140 2 492.4 492.4 314.4 492.4 0.00 45 30 23810 -55.9 -85.9 1 30.0 -57.3 85 25 592.2 592.3 320.3 592.3 0.01 46 25 24975 -54.1 -85.1 1 31.0 -56.1 629.1 629.1 321.9 629.2 0.01 47 23 25509 -55.1 -85.1 1 30.0 -57.1 641.4 641.4 322.3 641.4 0.01 TRP 109 15974 -73.7 -86.7 12 13.0 -73.7 290 85 375.9 376.0 301.6 376.0 0.00 WND 220 11603 -46.4 -61.8 16 15.4 -47.0 300 128 349.6 349.6 296.6 349.8 0.04 Sounding variables and indices 1000-500 mb thick: 5661.00 m Freezing level: 672.35 mb = 3399.65 m = 11153.58 ft Wetbulb zero: 701.81 mb = 3046.82 m = 9996.02 ft Precipitable water: 1.03 inches Sfc-500 mean rel hum: 45.30 % Est. max temperature: 30.78 C = 87.40 F Sfc-Lift cond lev (LCL): 946.72 mb = 527.06 m = 1729.16 ft T: 21.43 C 700-500 lapse rate: 4.81 C/km ThetaE index: 25.70 C Layer 1000.0- 701.0 mb Conv cond level (CCL): 820.90 mb = 1747.03 m = 5731.65 ft Mean mixing ratio: 12.53 g/kg Conv temperature: 31.37 C = 88.47 F Cap Strength: 3.82 C Lifted Index: -1.62 C Risk: Thunderstorms probable Lifted Index @300 mb: 7.64 C Lifted Index @700 mb: -3.78 C Showalter Index: 7.52 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 26.70 C Cross Totals Index: 10.70 C K Index: 21.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 216.70 Risk: None Energy Index: 0.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 625.15 J/kg Max Up Vert Vel: 35.36 m/s Conv Inhibition (B-): 108.92 J/kg Cap Strength: 3.82 C Lift Cond Lev (LCL): 878.78 mb = 1170.22 m = 3839.25 ft Lev Free Conv (LFC): 783.78 mb = 2130.75 m = 6990.57 ft Equ Level (EL): 363.78 mb = 8081.66 m = 26514.30 ft B at Equ Level: 622.86 J/kg Max Parcel Lev (MPL): 243.78 mb = 10909.97 m = 35793.44 ft Wind level data Storm motion: 306 at 30 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 1005 5 325 10 5.7 -8.2 | 118 21 -18.7 9.7 1 1000 49 325 9 5.2 -7.4 | 119 22 -19.2 10.6 2 971 305 5 21 -1.8 -20.9 | 83 26 -26.2 -3.0 3 938 610 325 17 9.8 -13.9 | 105 15 -14.6 4.0 4 925 729 315 14 9.9 -9.9 | 119 17 -14.5 8.0 5 905 914 285 14 13.5 -3.6 | 143 18 -10.9 14.3 6 874 1219 235 17 13.9 9.8 | 159 30 -10.5 27.7 7 850 1456 240 19 16.5 9.5 | 164 29 -7.9 27.4 8 783 2134 265 20 19.9 1.7 | 167 20 -4.5 19.7 9 755 2438 265 19 18.9 1.7 | 164 20 -5.5 19.6 10 702 3048 295 34 30.8 -14.4 | 241 7 6.4 3.6 11 700 3068 290 32 30.1 -10.9 | 219 9 5.7 7.0 12 625 3962 295 49 44.4 -20.7 | 278 20 20.0 -2.8 13 601 4267 280 51 50.2 -8.9 | 251 27 25.8 9.1 14 535 5182 265 78 77.7 6.8 | 245 59 53.3 24.7 15 500 5710 270 84 84.0 -0.0 | 253 62 59.6 17.9 16 495 5791 265 85 84.7 7.4 | 247 65 60.3 25.3 17 404 7315 285 76 73.4 -19.7 | 272 49 49.0 -1.7 18 400 7390 290 80 75.2 -27.4 | 281 52 50.8 -9.4 19 387 7620 295 82 74.3 -34.7 | 289 53 49.9 -16.7 20 300 9470 300 122 105.7 -61.0 | 298 92 81.3 -43.1 21 288 9754 300 124 107.4 -62.0 | 298 94 83.0 -44.1 22 250 10740 300 124 107.4 -62.0 | 298 94 83.0 -44.1 23 220 11603 300 128 110.9 -64.0 | 298 98 86.5 -46.1 24 211 11887 300 128 110.9 -64.0 | 298 98 86.5 -46.1 25 200 12230 295 127 115.1 -53.7 | 292 97 90.7 -35.7 26 150 14050 295 110 99.7 -46.5 | 291 81 75.3 -28.6 27 123 15240 290 105 98.7 -35.9 | 284 76 74.3 -18.0 28 109 15974 290 85 79.9 -29.1 | 281 57 55.5 -11.1 29 100 16480 290 69 64.8 -23.6 | 278 41 40.4 -5.7 30 95 16764 290 69 64.8 -23.6 | 278 41 40.4 -5.7 31 70 18580 250 31 29.1 10.6 | 189 29 4.7 28.5 32 50 20620 140 2 -1.3 1.5 | 127 32 -25.7 19.5 33 30 23810 85 25 -24.9 -2.2 | 108 52 -49.3 15.8 Wind Parameters Mean winds (0-6000m): 276.3 at 40.4 knts Storm direction: 306.3 at 30.3 knts Shear (0-3000m) pos: 5.8 neg: 4.8 tot: 10.6 10-3/s Storm rel Dir Shear (0-3000m): 111.7 deg Storm rel helicity (0-3000m) pos: 190.1 neg: -80.2 tot: 109.9 m^2/s^2 ave: 36.6 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 14.4 stream: 4.7 10^-3/s Energy-Hel index: 0.55 Bulk Rich Number: 3.03 Bulk Shear: 206.63 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 ------------------------------------------------------------------------------- 500 352 16 94 22| 9.2 0.0 9.2| 18.2 -75.4 -57.2 -114.4 -0.40| 25.3-10.0 1000 332 16 103 17| 4.6 9.8 14.4| 95.5 -75.4 20.0 20.0 0.17| 22.7 4.0 1500 301 16 133 14| 3.1 9.6 12.7|132.5 -75.4 57.1 38.0 0.23| 19.3 4.5 2000 282 17 152 16| 3.9 7.2 11.1|141.0 -75.4 65.6 32.8 0.23| 16.1 3.7 2500 277 18 156 17| 3.7 5.8 9.5|148.0 -80.2 67.8 27.1 0.22| 13.8 3.1 3000 279 19 160 16| 5.8 4.8 10.6|190.1 -80.2 109.9 36.6 0.33| 14.4 4.7 4000 286 25 177 11| 5.3 3.7 9.0|228.8 -87.3 141.4 35.4 0.36| 13.2 4.8 5000 282 32 211 13| 4.2 6.5 10.8|228.9-183.2 45.7 9.1 0.18| 14.4 2.5 6000 276 40 229 21| 4.0 5.6 9.6|415.6-311.6 104.0 17.3 0.17| 14.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251201.11.gif