UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103123.upa.cvt Date: 2300Z 31 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 31 OCT 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 1017 5 25.0 21.9 83 3.1 22.8 55 5 296.7 299.7 295.4 344.3 16.48 1 1000 151 22.6 20.0 85 2.6 20.8 30 5 295.8 298.4 294.0 338.5 14.88 2 977 353 20.4 19.5 95 0.9 19.8 23 7 295.5 298.2 293.8 337.9 14.76 3 941 677 19.4 12.4 64 7.0 15.0 9 10 297.7 299.4 290.5 325.8 9.65 4 925 825 18.2 12.2 68 6.0 14.4 355 11 297.9 299.7 290.6 326.2 9.69 5 909 974 16.8 14.2 85 2.6 15.1 343 15 298.0 300.0 291.9 330.7 11.27 6 874 1311 19.2 5.2 40 14.0 11.2 335 22 303.8 305.0 289.6 323.0 6.35 7 850 1550 18.0 4.0 39 14.0 10.0 340 13 305.0 306.1 289.8 323.2 6.00 8 831 1743 17.2 3.2 39 14.0 9.3 324 10 306.1 307.2 289.9 323.8 5.80 9 700 3176 5.0 -1.0 65 6.0 2.0 250 17 308.0 309.0 289.9 323.7 5.08 10 685 3352 3.4 -1.6 70 5.0 0.9 243 22 308.2 309.1 289.8 323.5 4.97 11 598 4437 -4.3 -6.4 85 2.1 -5.3 231 32 311.4 312.2 290.0 324.0 3.96 12 551 5077 -8.7 -13.6 68 4.9 -10.5 236 40 313.6 314.1 289.2 321.5 2.43 13 524 5464 -12.3 -13.8 89 1.5 -12.8 238 39 313.8 314.3 289.3 322.0 2.51 14 500 5820 -15.1 -19.7 68 4.6 -16.4 240 39 314.6 314.9 288.7 320.0 1.60 15 498 5850 -15.3 -18.8 75 3.5 -16.3 240 39 314.7 315.1 288.9 320.5 1.74 16 493 5927 -14.5 -24.5 42 10.0 -17.0 241 39 316.6 316.8 288.8 320.3 1.07 17 487 6020 -15.1 -29.1 29 14.0 -18.1 241 39 317.0 317.1 288.6 319.5 0.71 18 444 6713 -20.7 -25.5 65 4.8 -21.8 245 40 318.4 318.6 289.4 322.2 1.08 19 433 6899 -21.7 -33.7 33 12.0 -23.7 243 41 319.5 319.6 289.2 321.3 0.51 20 417 7175 -24.1 -26.8 78 2.7 -24.6 239 42 319.8 320.0 289.8 323.4 1.02 21 412 7264 -23.7 -47.7 9 24.0 -26.2 238 42 321.5 321.5 289.3 321.9 0.12 22 409 7317 -23.9 -50.9 6 27.0 -26.5 237 42 321.9 321.9 289.4 322.2 0.09 23 402 7444 -24.3 -39.3 24 15.0 -26.3 235 43 322.9 323.0 290.0 324.1 0.31 24 400 7480 -24.5 -42.5 17 18.0 -26.7 235 43 323.1 323.2 290.0 324.0 0.23 25 379 7871 -26.7 -59.7 3 33.0 -29.0 232 45 325.3 325.3 290.4 325.4 0.03 26 330 8857 -32.7 -52.7 12 20.0 -34.1 235 52 330.2 330.2 291.9 330.5 0.09 27 300 9520 -38.5 -53.5 19 15.0 -39.4 240 57 331.1 331.1 292.1 331.5 0.09 28 273 10156 -44.3 -57.3 22 13.0 -44.8 243 60 331.7 331.8 292.3 332.0 0.06 29 252 10687 -46.5 -63.5 13 17.0 -47.0 245 63 336.2 336.2 293.4 336.3 0.03 30 250 10740 -46.5 -64.5 11 18.0 -47.0 245 63 336.9 336.9 293.6 337.0 0.03 31 246 10847 -46.3 -67.3 7 21.0 -46.9 247 63 338.8 338.8 294.0 338.9 0.02 32 200 12200 -53.5 -73.5 7 20.0 -53.8 240 70 348.0 348.0 296.2 348.1 0.01 33 150 14010 -63.5 -80.5 8 17.0 -63.6 245 69 360.7 360.7 298.8 360.7 0.00 34 148 14092 -63.9 -80.9 8 17.0 -64.0 250 70 361.4 361.4 299.0 361.4 0.00 35 137 14564 -63.9 -82.1 7 18.2 -64.0 250 75 369.5 369.5 300.5 369.5 0.00 36 100 16490 -63.9 -86.9 3 23.0 -64.1 240 7 404.3 404.3 305.7 404.3 0.00 37 85 17471 -70.1 -88.1 5 18.0 -70.2 197 7 411.0 411.0 306.6 411.0 0.00 38 78 17987 -66.1 -89.1 3 23.0 -66.2 165 7 429.5 429.5 308.8 429.5 0.00 39 74 18304 -68.3 -89.3 3 21.0 -68.4 146 7 431.4 431.4 309.0 431.4 0.00 40 70 18640 -65.3 -89.3 2 24.0 -65.5 125 7 444.7 444.7 310.3 444.7 0.00 41 61 19472 -67.7 -89.7 3 22.0 -67.9 113 15 457.2 457.2 311.5 457.2 0.00 42 54 20208 -65.9 -90.9 2 25.0 -66.1 102 22 477.6 477.6 313.2 477.6 0.00 43 50 20680 -60.9 -89.9 1 29.0 -61.4 95 27 500.0 500.0 314.9 500.0 0.00 44 49 20806 -60.7 -89.7 1 29.0 -61.2 94 27 503.3 503.3 315.2 503.4 0.00 45 38 22397 -58.5 -89.5 1 31.0 -59.4 87 27 546.9 546.9 317.9 546.9 0.00 46 35 22912 -60.3 -89.3 1 29.0 -61.1 85 27 555.2 555.2 318.4 555.2 0.00 47 30 23880 -57.3 -89.3 1 32.0 -58.6 80 27 588.4 588.4 320.0 588.5 0.00 48 20 26480 -52.1 -87.1 1 35.0 -55.0 40 14 676.7 676.7 323.7 676.8 0.01 49 18 27164 -50.9 -86.9 1 36.0 -54.4 701.2 701.2 324.5 701.3 0.01 TRP 148 14092 -63.9 -80.9 8 17.0 -64.0 250 70 361.4 361.4 299.0 361.4 0.00 WND 137 14564 -63.9 -82.1 7 18.2 -64.0 250 75 369.5 369.5 300.5 369.5 0.00 Sounding variables and indices 1000-500 mb thick: 5669.00 m Freezing level: 646.58 mb = 3831.29 m = 12569.69 ft Wetbulb zero: 672.29 mb = 3501.68 m = 11488.31 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 67.83 % Est. max temperature: 32.49 C = 90.48 F Sfc-Lift cond lev (LCL): 972.44 mb = 393.58 m = 1291.26 ft T: 20.28 C 700-500 lapse rate: 7.60 C/km ThetaE index: 18.55 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 794.67 mb = 2116.57 m = 6944.05 ft Mean mixing ratio: 12.76 g/kg Conv temperature: 35.01 C = 95.02 F Cap Strength: 4.77 C Lifted Index: -5.51 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -0.43 C Lifted Index @700 mb: -0.53 C Showalter Index: -0.47 C Risk: Thunderstorms probable Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 33.10 C Cross Totals Index: 19.10 C K Index: 31.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 177.00 Risk: None Energy Index: -0.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 737.83 J/kg Max Up Vert Vel: 38.41 m/s Conv Inhibition (B-): 214.10 J/kg Cap Strength: 4.74 C Lift Cond Lev (LCL): 917.65 mb = 893.29 m = 2930.70 ft Lev Free Conv (LFC): 712.65 mb = 3026.43 m = 9929.10 ft Equ Level (EL): 262.65 mb = 10412.82 m = 34162.38 ft B at Equ Level: 728.51 J/kg Max Parcel Lev (MPL): 182.65 mb = 12770.99 m = 41899.08 ft Wind level data Storm motion: 279 at 17 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 1017 5 55 5 -4.1 -2.9 | 89 21 -20.8 -0.2 1 1000 151 30 5 -2.5 -4.3 | 85 19 -19.2 -1.7 2 948 610 15 10 -2.6 -9.7 | 70 20 -19.3 -7.0 3 925 825 355 11 1.0 -11.0 | 62 18 -15.7 -8.3 4 915 914 345 12 3.1 -11.6 | 57 16 -13.6 -9.0 5 883 1219 335 26 11.0 -23.6 | 15 22 -5.7 -20.9 6 853 1524 335 12 5.1 -10.9 | 55 14 -11.6 -8.2 7 850 1550 340 13 4.4 -12.2 | 52 16 -12.2 -9.6 8 793 2134 290 5 4.7 -1.7 | 94 12 -12.0 0.9 9 764 2438 260 10 9.8 1.7 | 123 8 -6.8 4.4 10 711 3048 255 16 15.5 4.1 | 170 7 -1.2 6.8 11 700 3176 250 17 16.0 5.8 | 175 8 -0.7 8.4 12 658 3658 230 30 23.0 19.3 | 196 23 6.3 21.9 13 609 4267 230 30 23.0 19.3 | 196 23 6.3 21.9 14 564 4877 235 40 32.8 22.9 | 212 30 16.1 25.6 15 500 5820 240 39 33.8 19.5 | 218 28 17.1 22.1 16 444 6706 245 40 36.3 16.9 | 225 28 19.6 19.5 17 400 7480 235 43 35.2 24.7 | 214 33 18.6 27.3 18 360 8230 230 47 36.0 30.2 | 210 38 19.3 32.8 19 300 9520 240 57 49.4 28.5 | 226 45 32.7 31.1 20 250 10740 245 63 57.1 26.6 | 234 50 40.4 29.3 21 241 10973 250 63 59.2 21.5 | 240 49 42.5 24.2 22 200 12200 240 70 60.6 35.0 | 229 58 44.0 37.6 23 182 12802 240 64 55.4 32.0 | 228 52 38.8 34.6 24 150 14010 245 69 62.5 29.2 | 235 56 45.9 31.8 25 148 14092 250 70 65.8 23.9 | 242 56 49.1 26.6 26 137 14564 250 75 70.5 25.7 | 242 61 53.8 28.3 27 129 14935 250 75 70.5 25.7 | 242 61 53.8 28.3 28 117 15545 240 58 50.2 29.0 | 227 46 33.6 31.6 29 106 16154 215 45 25.8 36.9 | 193 41 9.1 39.5 30 101 16459 220 24 15.4 18.4 | 177 21 -1.2 21.0 31 100 16490 240 7 6.1 3.5 | 120 12 -10.6 6.1 32 96 16764 240 7 6.1 3.5 | 120 12 -10.6 6.1 33 70 18640 125 7 -5.7 4.0 | 107 23 -22.4 6.6 34 50 20680 95 27 -26.9 2.4 | 97 44 -43.6 5.0 35 30 23880 80 27 -26.6 -4.7 | 87 43 -43.3 -2.1 36 20 26480 40 14 -9.0 -10.7 | 72 27 -25.7 -8.1 Wind Parameters Mean winds (0-6000m): 249.0 at 22.5 knts Storm direction: 279.0 at 16.9 knts Shear (0-3000m) pos: 0.0 neg: 3.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 77.0 deg Storm rel helicity (0-3000m) pos: 93.2 neg: -118.0 tot: -24.8 m^2/s^2 ave: -8.3 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 0.8 10^-3/s Energy-Hel index: 0.31 Bulk Rich Number: 7.34 Bulk Shear: 100.49 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 27 6 81 20| 0.0 5.9 5.9| 0.0 -29.1 -29.1 -58.2 -0.91| 6.2 -5.7 1000 9 9 72 19| 0.0 8.0 8.0| 0.0 -74.9 -74.9 -74.9 -0.87| 9.0 -7.8 1500 351 13 56 18| 0.0 4.4 4.4| 45.5-118.0 -72.5 -48.3 -0.34| 13.6 -4.7 2000 346 12 57 16| 0.0 2.5 2.5| 67.5-118.0 -50.5 -25.3 -0.14| 12.4 -1.7 2500 338 11 59 15| 0.0 3.2 3.2| 84.5-118.0 -33.5 -13.4 0.00| 11.6 0.0 3000 323 11 57 12| 0.0 3.5 3.5| 93.2-118.0 -24.8 -8.3 0.08| 10.6 0.8 4000 279 15 100 2| 0.0 4.5 4.5|108.1-118.6 -10.5 -2.6 0.13| 10.2 1.3 5000 256 19 193 7| 1.1 3.6 4.7|162.5-118.6 44.0 8.8 0.20| 9.2 1.8 6000 249 22 202 12| 1.0 3.0 4.0|186.5-118.6 67.9 11.3 0.22| 8.0 1.8 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251130.23.gif