UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101111.upa.cvt Date: 1100Z 11 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 11 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 1013 5 23.6 20.2 81 3.4 21.2 15 20 295.7 298.3 293.9 338.4 14.87 1 1000 121 23.0 19.1 79 3.9 20.3 15 20 296.1 298.7 293.4 336.6 14.05 2 992 191 22.6 18.9 80 3.7 20.1 9 23 296.4 299.0 293.5 336.7 13.98 3 957 505 23.6 18.6 74 5.0 20.1 340 22 300.5 303.1 294.8 342.2 14.23 4 945 616 27.4 14.4 45 13.0 18.7 330 19 305.5 307.5 293.9 338.4 10.97 5 935 711 27.2 14.2 45 13.0 18.5 333 15 306.2 308.2 294.1 339.1 10.95 6 925 806 26.6 14.6 48 12.0 18.5 335 11 306.5 308.6 294.5 340.7 11.37 7 850 1546 20.6 12.6 60 8.0 15.3 300 7 307.7 309.8 294.4 340.6 10.85 8 767 2423 13.0 9.0 77 4.0 10.5 260 18 308.7 310.5 293.7 337.4 9.44 9 709 3080 8.8 0.8 57 8.0 4.5 256 27 311.1 312.2 291.4 328.9 5.73 10 700 3186 9.0 -3.0 43 12.0 2.9 255 29 312.5 313.3 290.6 326.3 4.38 11 675 3486 7.6 -10.4 27 18.0 -0.2 256 27 314.2 314.6 289.5 322.5 2.56 12 629 4064 4.6 -10.4 33 15.0 -1.9 272 24 317.1 317.7 290.6 326.2 2.75 13 511 5712 -9.5 -13.5 73 4.0 -11.0 290 21 319.5 320.0 291.2 328.2 2.64 14 500 5880 -10.3 -16.3 61 6.0 -12.3 290 28 320.5 320.9 291.0 327.7 2.14 15 493 5989 -10.3 -20.3 44 10.0 -13.4 289 29 321.8 322.1 290.9 327.1 1.54 16 469 6373 -13.5 -18.1 68 4.6 -15.0 283 33 322.4 322.8 291.5 329.1 1.96 17 435 6943 -17.9 -20.7 79 2.8 -18.7 275 39 323.9 324.2 291.6 329.7 1.69 18 419 7224 -19.9 -24.5 67 4.6 -21.0 271 42 324.8 325.0 291.5 329.2 1.25 19 415 7295 -18.9 -33.9 25 15.0 -21.7 270 43 327.0 327.1 291.4 328.9 0.52 20 412 7350 -18.5 -31.5 31 13.0 -21.2 272 44 328.2 328.3 291.9 330.6 0.67 21 400 7570 -20.7 -29.7 44 9.0 -22.6 285 50 328.1 328.2 292.0 331.0 0.81 22 396 7644 -21.3 -27.3 58 6.0 -22.7 284 50 328.2 328.5 292.2 331.9 1.03 23 395 7663 -21.1 -32.1 37 11.0 -23.2 283 49 328.7 328.9 292.0 331.1 0.66 24 362 8299 -25.3 -48.3 10 23.0 -27.8 279 43 331.4 331.5 292.3 332.0 0.13 25 300 9630 -35.7 -55.7 11 20.0 -37.0 275 53 335.1 335.1 293.2 335.3 0.07 26 270 10353 -42.1 -58.1 16 16.0 -42.8 278 60 336.0 336.0 293.4 336.2 0.06 27 250 10870 -45.1 -64.1 10 19.0 -45.7 280 57 339.0 339.0 294.1 339.1 0.03 28 228 11476 -50.5 -65.5 15 15.0 -50.8 284 50 339.8 339.8 294.3 339.9 0.03 29 223 11620 -50.7 -70.7 8 20.0 -51.1 284 49 341.7 341.7 294.7 341.7 0.01 30 200 12320 -55.3 -72.3 10 17.0 -55.5 270 54 345.2 345.2 295.6 345.2 0.01 31 178 13058 -59.9 -74.9 12 15.0 -60.0 266 62 349.4 349.4 296.5 349.4 0.01 32 174 13200 -60.4 -75.6 12 15.3 -60.5 265 64 350.8 350.8 296.8 350.9 0.01 33 150 14120 -63.5 -80.5 8 17.0 -63.6 275 45 360.7 360.7 298.8 360.7 0.00 34 136 14719 -65.5 -83.5 6 18.0 -65.6 276 41 367.4 367.4 300.1 367.4 0.00 35 100 16560 -71.9 -85.9 11 14.0 -71.9 290 25 388.8 388.8 303.6 388.8 0.00 36 91 17111 -75.7 -86.7 16 11.0 -75.7 265 23 391.9 391.9 304.0 391.9 0.00 37 84 17582 -68.7 -86.7 6 18.0 -68.8 271 19 415.2 415.2 307.2 415.2 0.00 38 78 18023 -71.9 -87.9 7 16.0 -72.0 277 16 417.4 417.4 307.4 417.5 0.00 39 73 18418 -67.5 -88.5 4 21.0 -67.7 282 13 434.7 434.7 309.3 434.7 0.00 40 70 18670 -68.7 -88.7 4 20.0 -68.8 285 11 437.4 437.4 309.6 437.4 0.00 41 67 18933 -67.3 -88.3 4 21.0 -67.5 262 11 446.0 446.0 310.5 446.0 0.00 42 50 20710 -64.5 -89.5 2 25.0 -64.8 105 8 491.5 491.5 314.3 491.5 0.00 43 32 23477 -58.5 -88.5 1 30.0 -59.5 574.5 574.5 319.4 574.5 0.00 TRP 91 17111 -75.7 -86.7 16 11.0 -75.7 265 23 391.9 391.9 304.0 391.9 0.00 WND 174 13200 -60.4 -75.6 12 15.3 -60.5 265 64 350.8 350.8 296.8 350.9 0.01 Sounding variables and indices 1000-500 mb thick: 5759.00 m Freezing level: 590.50 mb = 4601.51 m = 15096.62 ft Wetbulb zero: 676.70 mb = 3465.33 m = 11369.06 ft Precipitable water: 1.61 inches Sfc-500 mean rel hum: 55.77 % Est. max temperature: 35.50 C = 95.91 F Sfc-Lift cond lev (LCL): 964.03 mb = 441.32 m = 1447.89 ft T: 23.40 C 700-500 lapse rate: 7.16 C/km ThetaE index: 18.22 C Layer 850.0- 629.0 mb Conv cond level (CCL): 776.73 mb = 2315.30 m = 7596.05 ft Mean mixing ratio: 12.98 g/kg Conv temperature: 36.59 C = 97.85 F Cap Strength: 6.13 C Lifted Index: -3.23 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.21 C Lifted Index @700 mb: 1.54 C Showalter Index: -3.76 C Risk: Severe thunderstorms possible Total Totals Index: 53.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.90 C Cross Totals Index: 22.90 C K Index: 31.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 289.20 Risk: None Energy Index: -2.53 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 553.42 J/kg Max Up Vert Vel: 33.27 m/s Conv Inhibition (B-): 383.45 J/kg Cap Strength: 6.13 C Lift Cond Lev (LCL): 863.57 mb = 1407.36 m = 4617.27 ft Lev Free Conv (LFC): 588.57 mb = 4590.80 m = 15061.48 ft Equ Level (EL): 248.57 mb = 10907.66 m = 35785.86 ft B at Equ Level: 549.62 J/kg Max Parcel Lev (MPL): 158.57 mb = 13775.39 m = 45194.31 ft Wind level data Storm motion: 314 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 1013 5 15 20 -5.2 -19.3 | 62 18 -16.2 -8.6 1 1000 121 15 20 -5.2 -19.3 | 62 18 -16.2 -8.6 2 979 305 360 28 -0.0 -28.0 | 32 21 -11.0 -17.3 3 946 610 330 19 9.5 -16.5 | 15 6 -1.5 -5.8 4 925 806 335 11 4.6 -10.0 | 96 6 -6.3 0.7 5 914 914 335 10 4.2 -9.1 | 103 7 -6.8 1.6 6 882 1219 310 11 8.4 -7.1 | 145 4 -2.6 3.6 7 852 1524 300 7 6.1 -3.5 | 146 9 -4.9 7.2 8 850 1546 300 7 6.1 -3.5 | 146 9 -4.9 7.2 9 822 1829 245 10 9.1 4.2 | 173 15 -1.9 14.9 10 793 2134 255 18 17.4 4.7 | 203 17 6.4 15.3 11 765 2438 260 18 17.7 3.1 | 206 15 6.7 13.8 12 700 3186 255 29 28.0 7.5 | 223 25 17.0 18.2 13 686 3353 260 29 28.6 5.0 | 228 24 17.6 15.7 14 660 3658 250 23 21.6 7.9 | 210 21 10.6 18.5 15 612 4267 285 25 24.1 -6.5 | 252 14 13.2 4.2 16 589 4572 295 24 21.8 -10.1 | 267 11 10.8 0.5 17 506 5791 290 21 19.7 -7.2 | 248 9 8.7 3.5 18 500 5880 290 28 26.3 -9.6 | 266 15 15.3 1.1 19 414 7315 270 43 43.0 -0.0 | 252 34 32.0 10.7 20 400 7570 285 50 48.3 -12.9 | 273 37 37.3 -2.3 21 397 7620 285 50 48.3 -12.9 | 273 37 37.3 -2.3 22 381 7925 270 45 45.0 -0.0 | 253 36 34.0 10.7 23 350 8534 285 42 40.6 -10.9 | 270 30 29.6 -0.2 24 300 9630 275 53 52.8 -4.6 | 262 42 41.8 6.1 25 258 10668 280 63 62.0 -10.9 | 270 51 51.0 -0.3 26 250 10870 280 57 56.1 -9.9 | 269 45 45.1 0.8 27 224 11582 285 49 47.3 -12.7 | 273 36 36.3 -2.0 28 200 12320 270 54 54.0 -0.0 | 256 44 43.0 10.7 29 174 13200 265 64 63.8 5.6 | 253 55 52.8 16.3 30 168 13411 265 64 63.8 5.6 | 253 55 52.8 16.3 31 152 14021 255 53 51.2 13.7 | 239 47 40.2 24.4 32 150 14120 275 45 44.8 -3.9 | 259 35 33.8 6.8 33 145 14326 280 45 44.3 -7.8 | 265 33 33.3 2.9 34 113 15850 265 29 28.9 2.5 | 234 22 17.9 13.2 35 102 16459 310 16 12.3 -10.3 | 252 1 1.3 0.4 36 100 16560 290 25 23.5 -8.6 | 260 13 12.5 2.1 37 97 16764 290 25 23.5 -8.6 | 260 13 12.5 2.1 38 91 17111 265 23 22.9 2.0 | 223 17 11.9 12.7 39 70 18670 285 11 10.6 -2.8 | 177 8 -0.4 7.8 40 50 20710 105 8 -7.7 2.1 | 124 23 -18.7 12.8 Wind Parameters Mean winds (0-6000m): 284.2 at 20.4 knts Storm direction: 314.2 at 15.3 knts Shear (0-3000m) pos: 0.9 neg: 6.4 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 158.8 deg Storm rel helicity (0-3000m) pos: 90.0 neg: -66.8 tot: 23.1 m^2/s^2 ave: 7.7 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 11.9 stream: 2.9 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 5.49 Bulk Shear: 100.74 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 2 24 42 17| 0.0 13.1 13.1| 0.0 -65.2 -65.2 -130.3 -0.66| 21.2-13.9 1000 351 19 46 11| 0.0 7.8 7.8| 13.1 -66.6 -53.5 -53.5 -0.13| 18.5 -2.4 1500 343 16 55 8| 0.0 6.6 6.6| 17.2 -66.8 -49.6 -33.1 -0.04| 14.8 -0.6 2000 332 14 66 5| 0.0 7.9 7.9| 48.5 -66.8 -18.3 -9.2 0.14| 14.4 2.0 2500 313 15 182 1| 1.0 6.3 7.4| 70.2 -66.8 3.3 1.3 0.21| 12.7 2.6 3000 297 16 226 5| 0.9 6.4 7.3| 90.0 -66.8 23.1 7.7 0.24| 11.9 2.9 4000 279 19 225 11| 1.2 4.8 6.0|136.2-100.4 35.8 8.9 0.22| 11.3 2.5 5000 282 20 232 11| 1.8 3.8 5.6|169.1-103.3 65.8 13.2 0.27| 10.3 2.8 6000 284 20 237 10| 1.5 3.6 5.1|180.2-109.3 70.9 11.8 0.26| 9.4 2.5 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251011.11.gif