UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112823.upa.cvt Date: 2300Z 28 NOV 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 28 NOV 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 27.2 25.2 89 2.0 25.7 360 12 299.9 303.7 298.7 360.0 20.48 1 1000 50 26.0 24.5 91 1.5 24.9 5 10 299.1 302.7 298.1 356.8 19.71 2 973 292 23.8 23.6 99 0.2 23.7 337 12 299.3 302.8 297.8 355.4 19.18 3 925 735 21.8 20.3 91 1.5 20.8 330 25 301.6 304.6 296.6 350.0 16.42 4 913 849 21.2 19.1 88 2.1 19.7 324 26 302.1 305.0 296.1 347.7 15.42 5 873 1239 22.6 11.6 50 11.0 15.5 315 30 307.5 309.3 293.7 337.4 9.87 6 850 1471 21.2 11.2 53 10.0 14.7 320 28 308.4 310.2 293.9 338.4 9.88 7 789 2112 17.6 0.6 32 17.0 8.3 330 26 311.1 312.1 290.9 327.0 5.07 8 701 3107 9.0 4.4 73 4.6 6.3 325 26 312.3 313.8 293.2 335.6 7.50 9 700 3119 8.8 3.8 71 5.0 5.9 325 26 312.2 313.6 292.9 334.6 7.20 10 669 3493 6.6 -2.4 53 9.0 2.0 315 27 313.8 314.7 291.5 329.0 4.79 11 658 3629 5.2 1.3 76 3.9 3.1 312 28 313.7 315.0 292.7 333.8 6.40 12 609 4257 0.8 0.2 96 0.6 0.5 296 30 315.7 316.9 293.3 335.9 6.39 13 514 5604 -6.7 -6.9 98 0.2 -6.8 299 35 322.3 323.2 293.6 336.9 4.44 14 500 5820 -6.7 -8.8 85 2.1 -7.7 300 36 324.9 325.6 293.8 338.0 3.94 15 464 6401 -9.9 -14.7 68 4.8 -11.7 283 36 327.9 328.4 293.6 336.9 2.64 16 455 6552 -10.3 -18.3 52 8.0 -13.0 279 38 329.2 329.6 293.3 336.2 1.99 17 454 6569 -10.1 -20.1 44 10.0 -13.4 279 38 329.7 330.0 293.2 335.7 1.71 18 410 7344 -17.3 -19.1 86 1.8 -17.9 279 42 330.2 330.6 293.7 337.3 2.06 19 405 7437 -16.5 -18.0 88 1.5 -17.0 279 43 332.4 332.8 294.4 340.4 2.29 20 400 7530 -16.9 -18.4 88 1.5 -17.4 280 43 333.0 333.5 294.6 340.9 2.24 21 333 8882 -25.1 -28.2 75 3.1 -25.8 283 61 339.7 340.0 295.3 343.9 1.13 22 300 9630 -30.9 -34.4 71 3.5 -31.5 285 72 341.8 342.0 295.4 344.5 0.69 23 268 10423 -37.7 -42.0 64 4.3 -38.1 281 73 343.1 343.2 295.4 344.5 0.36 24 250 10900 -41.9 -44.6 75 2.7 -42.1 275 71 343.8 343.8 295.5 344.9 0.29 25 248 10954 -42.3 -44.9 76 2.6 -42.5 275 70 344.0 344.0 295.6 345.1 0.28 26 235 11316 -43.5 -45.1 84 1.6 -43.6 270 77 347.5 347.6 296.3 348.7 0.29 27 214 11937 -48.1 -66.2 11 18.2 -48.6 260 93 349.8 349.8 296.6 349.9 0.02 28 213 11968 -48.3 -67.3 9 19.0 -48.8 260 93 349.9 349.9 296.6 350.0 0.02 29 205 12219 -48.7 -70.7 6 22.0 -49.2 260 93 353.1 353.2 297.3 353.2 0.01 30 200 12380 -50.1 -72.1 6 22.0 -50.5 260 90 353.4 353.4 297.4 353.5 0.01 31 165 13609 -60.1 -72.1 19 12.0 -60.3 267 81 356.7 356.7 298.1 356.7 0.01 32 160 13801 -61.3 -84.3 3 23.0 -61.4 268 79 357.8 357.8 298.2 357.8 0.00 33 150 14200 -63.1 -85.1 4 22.0 -63.2 270 76 361.4 361.4 299.0 361.4 0.00 34 119 15588 -74.5 -89.5 8 15.0 -74.5 258 82 365.2 365.2 299.7 365.2 0.00 35 100 16590 -78.9 -87.9 22 9.0 -78.9 255 56 375.3 375.3 301.5 375.3 0.00 36 96 16821 -79.5 -89.5 18 10.0 -79.5 255 60 378.5 378.5 302.0 378.5 0.00 37 80 17861 -76.1 -89.1 11 13.0 -76.2 252 33 405.8 405.8 306.0 405.8 0.00 38 76 18155 -77.7 -89.7 13 12.0 -77.7 251 26 408.4 408.4 306.3 408.4 0.00 39 70 18630 -73.3 -89.3 7 16.0 -73.4 250 14 427.6 427.6 308.6 427.6 0.00 40 67 18889 -69.5 -88.5 5 19.0 -69.6 228 14 441.2 441.2 310.0 441.2 0.00 41 64 19161 -70.7 -89.7 4 19.0 -70.8 205 14 444.4 444.4 310.3 444.4 0.00 42 55 20070 -65.7 -88.7 3 23.0 -66.0 128 15 475.5 475.5 313.1 475.5 0.00 43 50 20650 -65.1 -89.1 2 24.0 -65.4 80 15 490.1 490.1 314.2 490.1 0.00 44 43 21568 -66.3 -90.3 2 24.0 -66.6 89 15 508.7 508.7 315.5 508.7 0.00 45 30 23800 -57.3 -86.3 1 29.0 -58.5 110 16 588.4 588.4 320.0 588.5 0.01 46 20 26380 -53.5 -84.5 1 31.0 -56.1 50 11 672.4 672.4 323.5 672.5 0.02 47 18 27061 -51.5 -83.5 1 32.0 -54.8 699.3 699.3 324.4 699.5 0.02 TRP 96 16821 -79.5 -89.5 18 10.0 -79.5 255 60 378.5 378.5 302.0 378.5 0.00 WND 214 11937 -48.1 -66.2 11 18.2 -48.6 260 93 349.8 349.8 296.6 349.9 0.02 Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 598.87 mb = 4400.89 m = 14438.43 ft Wetbulb zero: 602.61 mb = 4340.97 m = 14241.86 ft Precipitable water: 1.96 inches Sfc-500 mean rel hum: 75.08 % Est. max temperature: 35.45 C = 95.81 F Sfc-Lift cond lev (LCL): 976.75 mb = 257.72 m = 845.52 ft T: 24.11 C 700-500 lapse rate: 5.74 C/km ThetaE index: 22.69 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 920.12 mb = 780.95 m = 2562.15 ft Mean mixing ratio: 17.85 g/kg Conv temperature: 29.09 C = 84.37 F Cap Strength: 3.24 C Lifted Index: -4.79 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.08 C Lifted Index @700 mb: -2.59 C Showalter Index: 0.78 C Risk: Thunderstorms probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 17.90 C K Index: 34.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 226.40 Risk: None Energy Index: -0.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1541.66 J/kg Max Up Vert Vel: 55.53 m/s Conv Inhibition (B-): 111.75 J/kg Cap Strength: 3.18 C Lift Cond Lev (LCL): 938.93 mb = 603.97 m = 1981.49 ft Lev Free Conv (LFC): 743.93 mb = 2606.68 m = 8551.99 ft Equ Level (EL): 203.93 mb = 12252.75 m = 40198.82 ft B at Equ Level: 1538.05 J/kg Max Parcel Lev (MPL): 83.93 mb = 17587.21 m = 57700.12 ft Wind level data Storm motion: 343 at 21 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 5 360 12 -0.0 -12.0 | 143 10 -6.1 7.9 1 1000 50 5 10 -0.9 -10.0 | 145 12 -6.9 10.0 2 971 305 335 12 5.1 -10.9 | 174 9 -1.0 9.0 3 925 735 330 25 12.5 -21.7 | 285 7 6.4 -1.7 4 906 914 320 27 17.4 -20.7 | 274 11 11.3 -0.8 5 875 1219 315 30 21.2 -21.2 | 275 15 15.2 -1.3 6 850 1471 320 28 18.0 -21.4 | 277 12 11.9 -1.5 7 815 1829 330 25 12.5 -21.7 | 285 7 6.4 -1.7 8 786 2134 330 26 13.0 -22.5 | 290 7 6.9 -2.6 9 758 2438 335 28 11.8 -25.4 | 313 8 5.8 -5.5 10 700 3119 325 26 14.9 -21.3 | 279 9 8.9 -1.4 11 607 4267 295 30 27.2 -12.7 | 251 22 21.1 7.2 12 502 5791 300 36 31.2 -18.0 | 266 25 25.1 1.9 13 500 5820 300 36 31.2 -18.0 | 266 25 25.1 1.9 14 482 6096 290 32 30.1 -10.9 | 249 26 24.0 9.0 15 445 6706 275 40 39.8 -3.5 | 244 38 33.8 16.4 16 400 7530 280 43 42.3 -7.5 | 251 38 36.3 12.5 17 300 9630 285 72 69.5 -18.6 | 269 64 63.5 1.3 18 282 10058 285 74 71.5 -19.2 | 269 65 65.4 0.8 19 250 10900 275 71 70.7 -6.2 | 258 66 64.7 13.7 20 247 10973 275 69 68.7 -6.0 | 257 64 62.7 13.9 21 214 11937 260 93 91.6 16.1 | 247 93 85.5 36.1 22 206 12192 260 93 91.6 16.1 | 247 93 85.5 36.1 23 200 12380 260 90 88.6 15.6 | 247 90 82.6 35.6 24 150 14200 270 76 76.0 -0.0 | 254 73 69.9 19.9 25 147 14326 270 76 76.0 -0.0 | 254 73 69.9 19.9 26 113 15850 255 83 80.2 21.5 | 241 85 74.1 41.4 27 100 16590 255 56 54.1 14.5 | 234 59 48.0 34.4 28 97 16764 255 56 54.1 14.5 | 234 59 48.0 34.4 29 96 16821 255 60 58.0 15.5 | 236 63 51.9 35.5 30 70 18630 250 14 13.2 4.8 | 196 26 7.1 24.7 31 50 20650 80 15 -14.8 -2.6 | 130 27 -20.8 17.3 32 30 23800 110 16 -15.0 5.5 | 140 33 -21.1 25.4 33 20 26380 50 11 -8.4 -7.1 | 132 19 -14.5 12.9 Wind Parameters Mean winds (0-6000m): 313.1 at 27.8 knts Storm direction: 343.1 at 20.8 knts Shear (0-3000m) pos: 1.3 neg: 3.7 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 141.3 deg Storm rel helicity (0-3000m) pos: 39.2 neg: -10.8 tot: 28.4 m^2/s^2 ave: 9.5 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 2.7 10^-3/s Energy-Hel index: 0.32 Bulk Rich Number: 36.45 Bulk Shear: 42.29 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 ------------------------------------------------------------------------------- 500 342 13 164 8| 0.0 9.5 9.5| 20.4 0.0 20.4 40.7 0.74| 13.0 9.6 1000 331 18 216 5| 0.0 10.5 10.5| 27.0 -2.5 24.6 24.6 0.55| 13.1 7.2 1500 325 22 253 7| 0.4 7.0 7.4| 29.9 -2.5 27.4 18.3 0.47| 10.9 5.1 2000 326 23 262 7| 1.5 5.3 6.8| 33.3 -2.5 30.9 15.4 0.44| 9.5 4.2 2500 327 24 270 7| 1.5 4.2 5.8| 39.2 -2.8 36.4 14.6 0.48| 8.3 4.0 3000 328 24 275 7| 1.3 3.7 5.0| 39.2 -10.8 28.4 9.5 0.35| 7.5 2.7 4000 324 25 273 9| 1.0 4.0 5.0| 39.2 -32.7 6.6 1.6 0.17| 7.3 1.2 5000 317 26 267 12| 0.8 3.5 4.3| 56.1 -42.1 14.0 2.8 0.17| 6.5 1.1 6000 313 28 266 14| 0.7 3.0 3.7| 76.1 -74.5 1.5 0.3 0.12| 6.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251128.23.gif