UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112711.upa.cvt Date: 1100Z 27 NOV 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 27 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 26.2 23.5 85 2.7 24.2 95 5 298.9 302.3 297.2 352.7 18.43 1 1002 33 29.4 21.4 62 8.0 23.6 137 4 302.4 305.4 296.7 350.3 16.22 2 1000 51 29.4 21.4 62 8.0 23.6 165 3 302.5 305.5 296.8 350.6 16.25 3 999 60 29.4 21.4 62 8.0 23.6 168 3 302.6 305.6 296.8 350.8 16.27 4 932 678 27.6 16.6 51 11.0 20.0 277 15 306.9 309.3 295.6 345.6 12.85 5 925 745 27.0 17.0 54 10.0 20.1 275 17 306.9 309.4 296.0 346.9 13.29 6 850 1487 21.6 16.6 73 5.0 18.1 245 12 308.8 311.4 297.0 351.6 14.12 7 778 2247 15.2 13.3 88 1.9 13.9 280 9 309.8 312.2 296.1 347.7 12.44 8 743 2637 12.8 5.8 62 7.0 8.6 267 13 311.3 312.8 293.2 335.4 7.81 9 700 3135 8.6 3.7 71 4.9 5.8 265 19 312.0 313.4 292.9 334.2 7.15 10 669 3507 5.6 0.6 70 5.0 2.9 259 24 312.7 313.9 292.1 331.4 5.98 11 659 3630 5.2 -3.8 52 9.0 0.8 256 26 313.6 314.4 291.0 327.5 4.38 12 655 3679 5.4 -17.6 17 23.0 -3.0 256 27 314.4 314.7 288.5 319.3 1.46 13 637 3906 3.6 -3.4 60 7.0 0.1 252 30 314.9 315.7 291.6 329.7 4.67 14 601 4375 0.0 -2.3 84 2.3 -1.2 245 37 316.0 317.0 292.6 333.1 5.38 15 589 4536 -0.5 -9.5 51 9.0 -4.4 245 38 317.2 317.8 291.0 327.5 3.16 16 584 4604 -1.1 -6.1 69 5.0 -3.4 245 37 317.3 318.1 291.9 330.7 4.15 17 581 4645 -1.3 -10.3 50 9.0 -5.1 243 35 317.5 318.1 291.0 327.4 3.00 18 571 4783 -1.1 -26.1 13 25.0 -8.4 239 29 319.3 319.5 289.4 322.1 0.80 19 536 5285 -4.1 -31.1 10 27.0 -10.9 241 23 321.6 321.7 289.8 323.5 0.53 20 524 5463 -4.5 -19.5 30 15.0 -9.6 244 23 323.2 323.5 291.3 328.6 1.56 21 500 5830 -7.3 -21.3 32 14.0 -11.7 250 22 324.1 324.4 291.4 329.0 1.40 22 457 6525 -12.3 -17.3 66 5.0 -14.0 264 29 326.3 326.8 292.7 333.7 2.15 23 429 7005 -15.7 -28.7 32 13.0 -18.8 275 39 328.0 328.1 292.0 331.0 0.83 24 413 7291 -17.9 -20.7 79 2.8 -18.7 270 49 328.7 329.1 293.0 334.9 1.78 25 405 7437 -18.3 -18.6 97 0.3 -18.4 267 54 330.0 330.5 293.7 337.6 2.18 26 400 7530 -17.9 -19.3 89 1.4 -18.3 265 57 331.7 332.1 294.1 339.0 2.08 27 382 7874 -19.7 -23.5 72 3.8 -20.7 267 57 333.8 334.1 294.1 339.1 1.51 28 356 8394 -24.3 -24.3 100 0.0 -24.3 271 58 334.4 334.7 294.3 339.8 1.50 29 331 8921 -28.5 -29.0 95 0.5 -28.6 274 60 335.6 335.9 294.2 339.5 1.05 30 329 8964 -28.7 -31.8 75 3.1 -29.3 274 60 335.9 336.1 294.1 339.0 0.81 31 300 9620 -33.5 -42.5 40 9.0 -34.5 265 58 338.2 338.2 294.1 339.3 0.30 32 259 10631 -42.1 -49.1 46 7.0 -42.6 265 60 340.0 340.1 294.5 340.7 0.17 33 256 10710 -41.7 -62.7 8 21.0 -42.5 265 61 341.7 341.8 294.8 341.9 0.03 34 250 10870 -42.3 -62.3 9 20.0 -43.1 265 61 343.2 343.2 295.1 343.3 0.04 35 241 11117 -44.1 -61.1 13 17.0 -44.7 267 63 344.1 344.1 295.3 344.3 0.04 36 200 12350 -51.7 -71.7 7 20.0 -52.1 280 83 350.9 350.9 296.8 351.0 0.01 37 191 12648 -53.9 -73.9 7 20.0 -54.2 279 83 352.0 352.0 297.1 352.1 0.01 38 159 13802 -62.9 -76.9 13 14.0 -63.0 268 87 355.7 355.7 297.8 355.8 0.01 39 150 14160 -64.9 -78.9 13 14.0 -65.0 265 88 358.3 358.3 298.4 358.3 0.01 40 141 14534 -67.0 -80.1 14 13.1 -67.1 260 93 361.0 361.0 298.9 361.0 0.00 41 123 15346 -71.7 -82.7 18 11.0 -71.8 260 83 366.8 366.8 300.0 366.8 0.00 42 102 16427 -79.1 -91.1 12 12.0 -79.1 255 82 372.8 372.8 301.1 372.8 0.00 43 100 16540 -77.5 -91.5 9 14.0 -77.5 250 74 378.0 378.0 301.9 378.0 0.00 44 95 16839 -72.9 -87.9 9 15.0 -72.9 249 71 392.6 392.6 304.2 392.6 0.00 45 74 18291 -77.7 -89.7 13 12.0 -77.7 233 20 411.6 411.6 306.7 411.6 0.00 46 73 18370 -72.3 -87.3 9 15.0 -72.4 233 18 424.6 424.6 308.2 424.6 0.00 47 70 18620 -69.1 -87.1 6 18.0 -69.2 230 9 436.6 436.6 309.5 436.6 0.00 48 65 19066 -65.1 -87.1 3 22.0 -65.3 260 12 454.6 454.6 311.3 454.7 0.00 49 59 19652 -67.3 -87.3 4 20.0 -67.5 299 15 462.5 462.5 312.0 462.5 0.00 50 54 20190 -63.3 -86.3 3 23.0 -63.7 334 18 483.6 483.6 313.7 483.6 0.00 51 53 20304 -64.5 -87.5 3 23.0 -64.8 342 19 483.4 483.4 313.7 483.4 0.00 52 50 20660 -64.1 -87.1 3 23.0 -64.4 5 21 492.4 492.4 314.4 492.5 0.00 53 31 23597 -62.9 -87.9 2 25.0 -63.5 61 18 567.8 567.8 319.0 567.8 0.01 54 30 23800 -60.9 -87.9 2 27.0 -61.7 65 18 578.6 578.6 319.6 578.7 0.01 55 20 26360 -52.7 -83.7 1 31.0 -55.4 110 19 674.9 674.9 323.6 675.0 0.02 56 19 26691 -53.1 -83.1 1 30.0 -55.8 683.6 683.6 323.9 683.8 0.02 TRP 102 16427 -79.1 -91.1 12 12.0 -79.1 255 82 372.8 372.8 301.1 372.8 0.00 WND 141 14534 -67.0 -80.1 14 13.1 -67.1 260 93 361.0 361.0 298.9 361.0 0.00 Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 601.00 mb = 4374.68 m = 14352.45 ft Wetbulb zero: 658.17 mb = 3640.11 m = 11942.46 ft Precipitable water: 1.89 inches Sfc-500 mean rel hum: 56.88 % Est. max temperature: 35.94 C = 96.69 F Sfc-Lift cond lev (LCL): 966.73 mb = 352.30 m = 1155.82 ft T: 28.55 C 700-500 lapse rate: 5.90 C/km ThetaE index: 32.32 C Layer 778.0- 637.0 mb Conv cond level (CCL): 781.59 mb = 2207.83 m = 7243.44 ft Mean mixing ratio: 14.34 g/kg Conv temperature: 37.06 C = 98.70 F Cap Strength: 3.60 C Lifted Index: -3.69 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.11 C Lifted Index @700 mb: -1.50 C Showalter Index: -4.92 C Risk: Severe thunderstorms possible Total Totals Index: 52.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.90 C Cross Totals Index: 23.90 C K Index: 40.60 Risk: > 80 % chance of thunderstorms Sweat Index: 321.20 Risk: Showers and thunderstorms possible Energy Index: -4.44 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1212.61 J/kg Max Up Vert Vel: 49.25 m/s Conv Inhibition (B-): 143.98 J/kg Cap Strength: 3.60 C Lift Cond Lev (LCL): 833.24 mb = 1658.07 m = 5439.81 ft Lev Free Conv (LFC): 728.24 mb = 2804.39 m = 9200.65 ft Equ Level (EL): 218.24 mb = 11773.12 m = 38625.24 ft B at Equ Level: 1208.49 J/kg Max Parcel Lev (MPL): 108.24 mb = 16084.45 m = 52769.86 ft Wind level data Storm motion: 282 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 1005 5 95 5 -5.0 0.4 | 100 20 -19.4 3.5 1 1000 51 165 3 -0.8 2.9 | 111 16 -15.2 6.0 2 972 305 250 10 9.4 3.4 | 142 8 -5.0 6.5 3 939 610 280 13 12.8 -2.3 | 117 2 -1.6 0.8 4 925 745 275 17 16.9 -1.5 | 237 3 2.5 1.6 5 907 914 260 19 18.7 3.3 | 214 8 4.3 6.4 6 876 1219 255 16 15.5 4.1 | 188 7 1.0 7.2 7 850 1487 245 12 10.9 5.1 | 156 9 -3.6 8.2 8 816 1829 265 11 11.0 1.0 | 139 5 -3.5 4.0 9 788 2134 280 8 7.9 -1.4 | 104 7 -6.6 1.7 10 760 2438 280 10 9.8 -1.7 | 106 5 -4.6 1.3 11 733 2743 260 14 13.8 2.4 | 173 6 -0.7 5.5 12 707 3048 275 16 15.9 -1.4 | 222 2 1.5 1.7 13 700 3135 265 19 18.9 1.7 | 223 7 4.5 4.7 14 608 4267 245 36 32.6 15.2 | 225 26 18.2 18.3 15 585 4572 245 38 34.4 16.1 | 226 28 20.0 19.1 16 563 4877 235 24 19.7 13.8 | 197 18 5.2 16.8 17 500 5830 250 22 20.7 7.5 | 210 12 6.2 10.6 18 483 6096 255 21 20.3 5.4 | 214 10 5.8 8.5 19 428 7010 275 39 38.9 -3.4 | 271 24 24.4 -0.3 20 400 7530 265 57 56.8 5.0 | 259 43 42.3 8.1 21 395 7620 265 56 55.8 4.9 | 259 42 41.3 8.0 22 334 8839 275 60 59.8 -5.2 | 273 45 45.3 -2.1 23 300 9620 265 58 57.8 5.1 | 259 44 43.3 8.1 24 250 10870 265 61 60.8 5.3 | 260 47 46.3 8.4 25 246 10973 265 61 60.8 5.3 | 260 47 46.3 8.4 26 200 12350 280 83 81.7 -14.4 | 280 68 67.3 -11.3 27 195 12497 280 83 81.7 -14.4 | 280 68 67.3 -11.3 28 150 14160 265 88 87.7 7.7 | 262 74 73.2 10.8 29 141 14534 260 93 91.6 16.1 | 256 80 77.1 19.2 30 139 14630 260 93 91.6 16.1 | 256 80 77.1 19.2 31 119 15545 260 80 78.8 13.9 | 255 67 64.3 17.0 32 107 16154 270 86 86.0 -0.0 | 268 72 71.6 3.1 33 102 16427 255 82 79.2 21.2 | 249 69 64.8 24.3 34 101 16459 265 88 87.7 7.7 | 262 74 73.2 10.8 35 100 16540 250 74 69.5 25.3 | 243 62 55.1 28.4 36 96 16764 250 74 69.5 25.3 | 243 62 55.1 28.4 37 70 18620 230 9 6.9 5.8 | 140 12 -7.5 8.9 38 50 20660 5 21 -1.8 -20.9 | 42 24 -16.3 -17.8 39 30 23800 65 18 -16.3 -7.6 | 82 31 -30.8 -4.5 40 20 26360 110 19 -17.9 6.5 | 107 34 -32.3 9.6 Wind Parameters Mean winds (0-6000m): 252.1 at 19.7 knts Storm direction: 282.1 at 14.8 knts Shear (0-3000m) pos: 3.1 neg: 1.1 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 108.5 deg Storm rel helicity (0-3000m) pos: 54.0 neg: -27.2 tot: 26.8 m^2/s^2 ave: 8.9 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 1.1 10^-3/s Energy-Hel index: 0.35 Bulk Rich Number: 67.63 Bulk Shear: 17.93 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 ------------------------------------------------------------------------------- 500 248 8 131 9| 17.4 0.0 17.4| 44.8 -0.3 44.6 89.2 0.53| 21.5 11.4 1000 263 12 152 5| 8.7 3.5 12.2| 45.8 -4.9 40.9 40.9 0.33| 17.3 5.7 1500 259 13 165 6| 5.8 1.7 7.5| 45.8 -18.7 27.0 18.0 0.11| 13.9 1.5 2000 259 13 159 6| 4.2 1.3 5.5| 45.8 -25.3 20.5 10.2 0.00| 12.0 0.1 2500 263 12 150 5| 3.7 1.0 4.7| 47.2 -27.2 20.0 8.0 0.00| 10.5 0.0 3000 263 12 153 5| 3.1 1.1 4.2| 54.0 -27.2 26.8 8.9 0.11| 10.1 1.1 4000 261 15 188 6| 2.3 3.2 5.5| 56.9 -31.3 25.6 6.4 0.10| 10.0 1.0 5000 254 19 205 9| 1.9 2.1 4.0| 61.7-101.8 -40.1 -8.0 -0.04| 10.2 -0.4 6000 252 20 205 10| 1.9 1.8 3.6| 74.7-101.8 -27.1 -4.5 -0.00| 9.1 -0.0 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251127.11.gif