UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011711.upa.cvt Date: 1100Z 17 JAN 26 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 17 JAN 26 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 25.8 23.7 88 2.1 24.3 35 8 298.5 301.9 297.3 352.9 18.66 1 1000 45 26.2 22.8 82 3.4 23.8 40 7 299.4 302.6 296.9 351.2 17.74 2 925 729 21.2 19.4 89 1.8 19.9 45 15 301.0 303.8 295.8 346.6 15.51 3 883 1131 18.8 18.7 99 0.1 18.8 44 13 302.5 305.4 296.3 348.5 15.55 4 862 1339 19.2 16.0 82 3.2 17.0 38 16 305.0 307.5 295.5 345.0 13.39 5 850 1460 18.6 15.4 82 3.2 16.4 35 17 305.6 308.1 295.4 344.7 13.06 6 815 1821 16.8 12.4 75 4.4 13.9 45 14 307.4 309.5 294.6 341.2 11.17 7 775 2248 13.2 9.7 79 3.5 11.0 19 11 308.0 309.8 293.7 337.7 9.80 8 763 2380 14.4 4.4 51 10.0 8.6 359 8 310.7 312.0 292.3 332.0 6.89 9 758 2436 14.4 5.4 55 9.0 9.0 351 7 311.3 312.7 292.9 334.3 7.44 10 714 2939 10.4 8.1 86 2.3 9.0 267 7 312.2 314.0 294.7 341.7 9.54 11 700 3104 9.6 5.6 76 4.0 7.2 245 12 313.1 314.7 294.0 338.5 8.18 12 606 4283 0.6 -2.9 77 3.5 -1.2 220 13 315.9 316.9 292.3 332.2 5.10 13 565 4844 -1.1 -29.1 10 28.0 -8.7 248 17 320.3 320.4 289.5 322.5 0.61 14 563 4872 -1.3 -28.3 11 27.0 -8.8 249 17 320.4 320.5 289.6 322.7 0.66 15 513 5608 -6.3 -33.3 10 27.0 -12.6 262 24 323.0 323.1 290.2 324.6 0.45 16 502 5778 -4.1 -43.1 3 39.0 -11.8 279 28 327.7 327.7 291.2 328.3 0.17 17 500 5810 -4.3 -43.3 3 39.0 -12.0 285 28 327.8 327.8 291.3 328.4 0.17 18 476 6194 -7.5 -41.5 5 34.0 -14.1 288 31 328.5 328.5 291.5 329.3 0.21 19 467 6341 -9.1 -22.1 34 13.0 -13.2 289 32 328.3 328.6 292.6 333.2 1.39 20 464 6391 -9.7 -13.6 73 3.9 -11.2 290 32 328.2 328.7 293.8 338.0 2.89 21 462 6424 -9.9 -17.9 52 8.0 -12.7 290 33 328.3 328.7 293.2 335.3 2.02 22 460 6458 -10.3 -12.7 83 2.4 -11.3 290 33 328.2 328.8 294.0 338.9 3.13 23 456 6525 -10.3 -35.3 11 25.0 -15.7 291 33 329.0 329.1 291.9 330.6 0.42 24 453 6575 -10.5 -45.5 4 35.0 -16.4 291 34 329.4 329.4 291.7 330.0 0.14 25 445 6712 -11.5 -42.5 6 31.0 -17.0 292 35 329.8 329.9 291.9 330.6 0.20 26 440 6798 -12.3 -23.3 39 11.0 -15.5 293 35 329.9 330.2 293.0 334.6 1.33 27 433 6920 -11.9 -36.9 11 25.0 -17.0 294 36 331.9 332.0 292.6 333.3 0.37 28 401 7501 -16.1 -43.1 8 27.0 -20.5 271 49 333.8 333.9 293.0 334.7 0.21 29 400 7520 -15.9 -43.9 7 28.0 -20.4 270 49 334.3 334.4 293.1 335.1 0.19 30 392 7673 -15.3 -48.3 4 33.0 -20.2 272 50 337.0 337.1 293.7 337.5 0.12 31 343 8671 -21.5 -56.5 3 35.0 -25.2 281 52 341.7 341.8 294.8 342.0 0.05 32 338 8779 -21.1 -60.1 2 39.0 -25.0 280 52 343.7 343.7 295.3 343.9 0.03 33 300 9650 -27.5 -60.5 3 33.0 -30.2 275 54 346.6 346.6 295.9 346.8 0.04 34 250 10930 -37.7 -66.7 3 29.0 -39.0 270 59 350.0 350.0 296.7 350.1 0.02 35 238 11266 -40.7 -66.7 4 26.0 -41.8 270 60 350.5 350.5 296.7 350.5 0.02 36 211 12076 -45.7 -68.7 6 23.0 -46.4 270 63 354.9 354.9 297.7 355.0 0.02 37 200 12430 -48.7 -72.7 5 24.0 -49.3 270 64 355.7 355.7 297.8 355.7 0.01 38 172 13405 -56.4 -75.6 7 19.3 -56.6 260 65 358.7 358.7 298.4 358.7 0.01 39 150 14260 -63.3 -78.3 11 15.0 -63.4 265 63 361.0 361.0 298.9 361.1 0.01 40 143 14550 -65.5 -78.5 15 13.0 -65.6 267 62 362.2 362.2 299.1 362.2 0.01 41 100 16660 -75.9 -90.9 8 15.0 -75.9 255 38 381.1 381.1 302.4 381.1 0.00 42 87 17456 -80.9 -91.9 14 11.0 -80.9 270 31 386.5 386.5 303.3 386.5 0.00 43 81 17863 -77.9 -90.9 10 13.0 -77.9 326 23 400.6 400.6 305.3 400.7 0.00 44 75 18303 -78.7 -91.7 10 13.0 -78.7 26 15 407.9 407.9 306.2 407.9 0.00 45 70 18700 -75.7 -89.7 9 14.0 -75.7 80 8 422.4 422.4 308.0 422.4 0.00 46 62 19410 -70.9 -88.9 5 18.0 -71.0 85 12 448.0 448.0 310.7 448.0 0.00 47 58 19804 -71.3 -90.3 4 19.0 -71.4 88 14 455.7 455.7 311.4 455.7 0.00 48 51 20579 -63.7 -88.7 2 25.0 -64.1 94 18 490.6 490.6 314.2 490.6 0.00 49 50 20700 -63.9 -88.9 2 25.0 -64.3 95 19 492.9 492.9 314.4 492.9 0.00 50 41 21928 -61.1 -88.1 2 27.0 -61.7 97 26 528.7 528.7 316.8 528.7 0.00 51 32 23469 -61.7 -87.7 2 26.0 -62.4 99 34 565.9 565.9 318.9 565.9 0.01 52 30 23870 -60.7 -87.7 2 27.0 -61.6 100 36 579.2 579.2 319.6 579.2 0.01 53 20 26450 -51.3 -83.3 1 32.0 -54.4 90 40 679.1 679.2 323.7 679.3 0.02 54 16 27914 -47.1 -81.1 1 34.0 -52.2 737.6 737.6 325.6 737.9 0.03 TRP 87 17456 -80.9 -91.9 14 11.0 -80.9 270 31 386.5 386.5 303.3 386.5 0.00 WND 172 13405 -56.4 -75.6 7 19.3 -56.6 260 65 358.7 358.7 298.4 358.7 0.01 Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 591.53 mb = 4480.80 m = 14700.61 ft Wetbulb zero: 618.93 mb = 4110.14 m = 13484.55 ft Precipitable water: 1.88 inches Sfc-500 mean rel hum: 63.61 % Est. max temperature: 32.67 C = 90.80 F Sfc-Lift cond lev (LCL): 975.20 mb = 265.36 m = 870.58 ft T: 24.59 C 700-500 lapse rate: 5.14 C/km ThetaE index: 19.20 C Layer 700.0- 563.0 mb Conv cond level (CCL): 903.51 mb = 932.59 m = 3059.64 ft Mean mixing ratio: 16.47 g/kg Conv temperature: 29.05 C = 84.29 F Cap Strength: 1.25 C Lifted Index: -0.86 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.60 C Lifted Index @700 mb: -0.62 C Showalter Index: 0.60 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 19.70 C K Index: 34.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 246.80 Risk: None Energy Index: -3.08 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 453.84 J/kg Max Up Vert Vel: 30.13 m/s Conv Inhibition (B-): 30.31 J/kg Cap Strength: 1.24 C Lift Cond Lev (LCL): 922.45 mb = 752.88 m = 2470.04 ft Lev Free Conv (LFC): 787.45 mb = 2112.62 m = 6931.07 ft Equ Level (EL): 767.45 mb = 2330.76 m = 7646.77 ft B at Equ Level: 8.06 J/kg Max Parcel Lev (MPL): 187.45 mb = 12848.71 m = 42154.06 ft Wind level data Storm motion: 310 at 10 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 35 8 -4.6 -6.6 | 91 13 -12.5 0.2 1 1000 45 40 7 -4.5 -5.4 | 96 13 -12.4 1.4 2 925 729 45 15 -10.6 -10.6 | 78 19 -18.5 -3.9 3 905 914 50 11 -8.4 -7.1 | 89 16 -16.4 -0.3 4 850 1460 35 17 -9.8 -13.9 | 68 19 -17.7 -7.2 5 844 1524 40 17 -10.9 -13.0 | 72 20 -18.9 -6.3 6 814 1829 45 14 -9.9 -9.9 | 80 18 -17.8 -3.2 7 785 2134 35 13 -7.5 -10.6 | 76 16 -15.4 -3.9 8 730 2743 305 1 0.8 -0.6 | 131 9 -7.1 6.2 9 705 3048 245 10 9.1 4.2 | 186 11 1.1 11.0 10 700 3104 245 12 10.9 5.1 | 194 12 2.9 11.8 11 629 3962 205 12 5.1 10.9 | 171 18 -2.9 17.6 12 606 4267 220 13 8.4 10.0 | 181 17 0.4 16.7 13 562 4877 250 17 16.0 5.8 | 213 15 8.0 12.5 14 521 5486 250 21 19.7 7.2 | 220 18 11.8 13.9 15 501 5791 280 28 27.6 -4.9 | 265 20 19.6 1.9 16 500 5810 285 28 27.0 -7.2 | 272 19 19.1 -0.5 17 428 7010 295 37 33.5 -15.6 | 289 27 25.6 -8.9 18 400 7520 270 49 49.0 -0.0 | 261 42 41.1 6.7 19 395 7620 270 50 50.0 -0.0 | 261 43 42.1 6.7 20 379 7925 285 50 48.3 -12.9 | 279 41 40.4 -6.2 21 300 9650 275 54 53.8 -4.7 | 267 46 45.9 2.0 22 250 10930 270 59 59.0 -0.0 | 262 52 51.1 6.7 23 217 11887 270 63 63.0 -0.0 | 263 55 55.1 6.7 24 200 12430 270 64 64.0 -0.0 | 263 56 56.1 6.7 25 172 13405 260 65 64.0 11.3 | 252 59 56.1 18.0 26 164 13716 260 65 64.0 11.3 | 252 59 56.1 18.0 27 150 14260 265 63 62.8 5.5 | 257 56 54.8 12.2 28 134 14935 270 60 60.0 -0.0 | 263 52 52.1 6.7 29 121 15545 255 57 55.1 14.8 | 245 52 47.1 21.5 30 100 16660 255 38 36.7 9.8 | 240 33 28.8 16.6 31 98 16764 250 52 48.9 17.8 | 239 48 40.9 24.5 32 93 17069 255 38 36.7 9.8 | 240 33 28.8 16.6 33 87 17456 270 31 31.0 -0.0 | 254 24 23.1 6.7 34 70 18700 80 8 -7.9 -1.4 | 109 17 -15.8 5.3 35 50 20700 95 19 -18.9 1.7 | 107 28 -26.9 8.4 36 30 23870 100 36 -35.5 6.3 | 107 45 -43.4 13.0 37 20 26450 90 40 -40.0 0.0 | 98 48 -47.9 6.7 Wind Parameters Mean winds (0-6000m): 280.3 at 13.9 knts Storm direction: 310.3 at 10.4 knts Shear (0-3000m) pos: 0.4 neg: 2.9 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 91.9 deg Storm rel helicity (0-3000m) pos: 58.9 neg: -49.9 tot: 9.1 m^2/s^2 ave: 3.0 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 1.6 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 8.16 Bulk Shear: 55.63 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 42 9 89 14| 4.7 0.0 4.7| 2.3 -11.4 -9.2 -18.4 -0.42| 5.7 -2.4 1000 45 11 85 16| 2.3 0.0 2.3| 16.1 -20.3 -4.2 -4.2 -0.10| 6.4 -0.6 1500 42 12 81 17| 1.6 1.9 3.4| 17.0 -42.9 -25.9 -17.3 -0.32| 6.3 -2.0 2000 42 13 80 17| 0.7 1.4 2.1| 31.8 -45.4 -13.7 -6.8 -0.15| 6.0 -0.9 2500 40 13 80 16| 0.5 1.8 2.3| 39.2 -49.9 -10.6 -4.3 -0.02| 7.4 -0.2 3000 39 11 83 15| 0.4 2.9 3.3| 58.9 -49.9 9.1 3.0 0.20| 8.4 1.6 4000 35 11 80 15| 0.3 2.6 2.9| 64.7 -72.5 -7.8 -1.9 0.10| 7.8 0.8 5000 350 12 49 8| 1.0 2.1 3.1|115.6 -72.5 43.1 8.6 0.25| 7.5 1.8 6000 280 14 233 7| 2.3 1.7 4.1|211.9 -72.5 139.4 23.2 0.40| 8.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20260117.11.gif