UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042623.upa.cvt Date: 2300Z 26 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 26 APR 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 1011 5 24.2 19.2 74 5.0 20.8 235 14 296.4 298.9 293.5 336.7 13.98 1 1000 100 22.4 17.5 74 4.9 19.1 245 19 295.5 297.8 292.3 332.0 12.68 2 981 267 20.6 16.9 79 3.7 18.1 249 17 295.4 297.6 292.0 331.1 12.44 3 925 773 17.0 14.3 84 2.7 15.3 260 14 296.7 298.7 291.4 328.9 11.14 4 911 903 16.0 14.4 90 1.6 15.0 269 19 297.0 299.0 291.7 329.9 11.39 5 905 959 16.6 13.3 81 3.3 14.5 274 19 298.1 300.1 291.5 329.2 10.66 6 880 1198 15.8 10.8 72 5.0 12.7 293 19 299.7 301.4 290.9 327.0 9.28 7 850 1492 13.4 9.6 78 3.8 11.1 285 13 300.2 301.8 290.6 326.3 8.86 8 721 2851 2.2 0.4 88 1.8 1.3 295 15 302.4 303.4 288.3 318.8 5.47 9 700 3090 0.6 -2.6 79 3.2 -0.9 305 14 303.1 304.0 287.7 316.9 4.51 10 693 3170 0.0 -3.1 80 3.1 -1.4 305 16 303.4 304.2 287.7 316.7 4.39 11 646 3730 -2.1 -17.1 31 15.0 -7.1 309 31 307.1 307.4 286.1 312.1 1.55 12 632 3904 -1.3 -29.3 10 28.0 -8.4 310 35 310.0 310.1 285.9 311.8 0.53 13 592 4422 -4.5 -31.5 10 27.0 -10.8 298 33 312.1 312.2 286.6 313.7 0.46 14 578 4611 -2.9 -37.9 5 35.0 -10.3 295 29 316.1 316.2 287.8 317.0 0.25 15 500 5740 -11.3 -50.3 2 39.0 -16.6 305 49 319.3 319.3 288.6 319.6 0.08 16 490 5895 -12.5 -51.5 2 39.0 -17.6 307 52 319.6 319.7 288.7 319.9 0.07 17 417 7111 -19.3 -57.3 2 38.0 -23.0 300 70 326.0 326.0 290.6 326.2 0.04 18 414 7164 -18.3 -55.3 2 37.0 -22.3 300 73 328.0 328.0 291.2 328.2 0.05 19 400 7420 -20.9 -55.9 3 35.0 -24.3 300 91 327.8 327.8 291.2 328.0 0.05 20 395 7513 -21.5 -55.5 3 34.0 -24.8 301 94 328.2 328.2 291.3 328.4 0.05 21 350 8397 -24.7 -53.7 5 29.0 -27.5 305 100 335.5 335.5 293.3 335.8 0.07 22 348 8438 -24.5 -55.5 4 31.0 -27.4 305 99 336.3 336.3 293.4 336.5 0.06 23 338 8651 -21.9 -59.9 2 38.0 -25.6 303 99 342.6 342.6 295.0 342.8 0.04 24 315 9167 -23.9 -60.9 2 37.0 -27.3 292 108 346.8 346.8 296.0 347.0 0.03 25 300 9520 -27.3 -61.3 2 34.0 -30.0 285 115 346.9 346.9 296.0 347.1 0.03 26 250 10800 -39.1 -65.1 5 26.0 -40.2 290 119 347.9 347.9 296.2 348.0 0.02 27 235 11221 -42.7 -65.5 6 22.8 -43.5 285 121 348.7 348.7 296.4 348.8 0.02 28 227 11454 -44.7 -65.7 8 21.0 -45.4 284 120 349.1 349.1 296.4 349.2 0.02 29 200 12290 -50.5 -73.5 5 23.0 -51.0 280 116 352.8 352.8 297.3 352.8 0.01 30 179 13004 -55.3 -76.3 6 21.0 -55.6 280 115 356.3 356.3 298.0 356.4 0.01 31 150 14110 -62.7 -80.7 7 18.0 -62.9 285 94 362.1 362.1 299.1 362.1 0.00 32 127 15122 -69.1 -85.1 8 16.0 -69.2 276 78 368.2 368.2 300.2 368.2 0.00 33 110 15976 -71.7 -86.7 9 15.0 -71.8 280 65 378.7 378.7 302.1 378.7 0.00 34 100 16540 -70.9 -87.9 6 17.0 -71.0 275 40 390.7 390.7 303.9 390.7 0.00 35 99 16600 -70.9 -87.9 6 17.0 -71.0 275 40 391.9 391.9 304.0 391.9 0.00 36 81 17785 -73.7 -89.7 7 16.0 -73.7 316 22 409.3 409.3 306.4 409.3 0.00 37 79 17933 -69.5 -88.5 5 19.0 -69.6 322 20 420.9 420.9 307.8 420.9 0.00 38 73 18408 -67.7 -88.7 3 21.0 -67.8 340 11 434.3 434.3 309.3 434.3 0.00 39 70 18660 -69.3 -88.3 5 19.0 -69.4 350 7 436.1 436.1 309.5 436.1 0.00 40 64 19194 -69.9 -88.9 5 19.0 -70.0 349 5 446.1 446.1 310.5 446.1 0.00 41 58 19786 -65.3 -88.3 3 23.0 -65.5 347 4 469.3 469.3 312.5 469.3 0.00 42 58 19786 -65.3 -88.3 3 23.0 -65.5 347 4 469.3 469.3 312.5 469.3 0.00 43 51 20569 -65.3 -88.3 3 23.0 -65.6 345 1 486.8 486.8 314.0 486.9 0.00 44 50 20690 -63.9 -87.9 2 24.0 -64.3 345 1 492.9 492.9 314.4 492.9 0.00 45 35 22916 -55.5 -84.5 2 29.0 -56.8 58 9 567.7 567.8 319.0 567.8 0.01 46 30 23900 -54.5 -83.5 2 29.0 -56.2 90 12 596.1 596.1 320.5 596.1 0.01 47 21 26202 -50.5 -81.5 1 31.0 -53.7 77 3 672.2 672.2 323.5 672.3 0.02 48 20 26520 -50.3 -81.3 1 31.0 -53.7 75 2 682.2 682.2 323.9 682.4 0.03 49 19 26855 -50.5 -81.5 1 31.0 -53.9 691.7 691.7 324.1 691.9 0.03 TRP 110 15976 -71.7 -86.7 9 15.0 -71.8 280 65 378.7 378.7 302.1 378.7 0.00 WND 235 11221 -42.7 -65.5 6 22.8 -43.5 285 121 348.7 348.7 296.4 348.8 0.02 Sounding variables and indices 1000-500 mb thick: 5640.00 m Freezing level: 693.00 mb = 3170.48 m = 10401.70 ft Wetbulb zero: 708.66 mb = 2990.83 m = 9812.33 ft Precipitable water: 1.21 inches Sfc-500 mean rel hum: 51.51 % Est. max temperature: 27.80 C = 82.04 F Sfc-Lift cond lev (LCL): 939.80 mb = 636.32 m = 2087.65 ft T: 17.97 C 700-500 lapse rate: 4.49 C/km ThetaE index: 18.12 C Layer 905.0- 592.0 mb Conv cond level (CCL): 861.95 mb = 1373.68 m = 4506.78 ft Mean mixing ratio: 12.02 g/kg Conv temperature: 27.78 C = 82.01 F Cap Strength: 1.95 C Lifted Index: -0.42 C Risk: Thunderstorms probable Lifted Index @300 mb: 12.52 C Lifted Index @700 mb: -3.99 C Showalter Index: 1.75 C Risk: Showers probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 20.90 C K Index: 31.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 190.20 Risk: None Energy Index: -1.29 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 250.30 J/kg Max Up Vert Vel: 22.37 m/s Conv Inhibition (B-): 38.74 J/kg Cap Strength: 1.93 C Lift Cond Lev (LCL): 912.97 mb = 884.68 m = 2902.45 ft Lev Free Conv (LFC): 817.97 mb = 1809.26 m = 5935.81 ft Equ Level (EL): 577.97 mb = 4610.94 m = 15127.59 ft B at Equ Level: 237.63 J/kg Max Parcel Lev (MPL): 337.97 mb = 8651.92 m = 28385.22 ft Wind level data Storm motion: 327 at 19 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 1011 5 235 14 11.5 8.0 | 182 24 0.9 24.0 1 1000 100 245 19 17.2 8.0 | 196 25 6.7 24.0 2 977 305 250 16 15.0 5.5 | 192 22 4.5 21.5 3 943 610 250 10 9.4 3.4 | 177 19 -1.1 19.4 4 925 773 260 14 13.8 2.4 | 190 19 3.3 18.4 5 910 914 270 19 19.0 -0.0 | 208 18 8.5 16.0 6 878 1219 295 19 17.2 -8.0 | 220 10 6.7 8.0 7 850 1492 285 13 12.6 -3.4 | 189 13 2.0 12.6 8 847 1524 285 12 11.6 -3.1 | 185 13 1.1 12.9 9 816 1829 310 13 10.0 -8.4 | 176 8 -0.6 7.6 10 786 2134 290 19 17.9 -6.5 | 218 12 7.3 9.5 11 758 2438 275 18 17.9 -1.6 | 207 16 7.4 14.4 12 704 3048 305 13 10.6 -7.5 | 181 9 0.1 8.5 13 700 3090 305 14 11.5 -8.0 | 187 8 0.9 8.0 14 627 3962 310 37 28.3 -23.8 | 294 19 17.8 -7.8 15 603 4267 300 37 32.0 -18.5 | 277 22 21.5 -2.5 16 580 4572 295 29 26.3 -12.3 | 257 16 15.7 3.7 17 500 5740 305 49 40.1 -28.1 | 292 32 29.6 -12.1 18 477 6096 310 55 42.1 -35.4 | 302 37 31.6 -19.4 19 422 7010 300 63 54.6 -31.5 | 289 47 44.0 -15.5 20 400 7420 300 91 78.8 -45.5 | 293 74 68.3 -29.5 21 373 7925 305 108 88.5 -61.9 | 301 90 77.9 -46.0 22 343 8534 305 97 79.5 -55.6 | 300 80 68.9 -39.6 23 300 9520 285 115 111.1 -29.8 | 278 101 100.5 -13.8 24 250 10800 290 119 111.8 -40.7 | 284 104 101.3 -24.7 25 235 11221 285 121 116.9 -31.3 | 278 107 106.3 -15.3 26 233 11278 285 121 116.9 -31.3 | 278 107 106.3 -15.3 27 200 12290 280 116 114.2 -20.1 | 272 104 103.7 -4.2 28 176 13106 280 115 113.3 -20.0 | 272 103 102.7 -4.0 29 150 14110 285 94 90.8 -24.3 | 276 81 80.3 -8.3 30 124 15240 275 76 75.7 -6.6 | 262 66 65.2 9.4 31 112 15850 290 63 59.2 -21.5 | 277 49 48.7 -5.6 32 110 15976 280 65 64.0 -11.3 | 265 54 53.5 4.7 33 107 16154 285 68 65.7 -17.6 | 272 55 55.2 -1.6 34 100 16540 275 40 39.8 -3.5 | 247 32 29.3 12.5 35 96 16764 275 40 39.8 -3.5 | 247 32 29.3 12.5 36 70 18660 350 7 1.2 -6.9 | 134 13 -9.3 9.1 37 50 20690 345 1 0.3 -1.0 | 146 18 -10.3 15.0 38 30 23900 90 12 -12.0 0.0 | 125 28 -22.5 16.0 39 20 26520 75 2 -1.9 -0.5 | 141 20 -12.5 15.5 Wind Parameters Mean winds (0-6000m): 296.6 at 25.5 knts Storm direction: 326.6 at 19.1 knts Shear (0-3000m) pos: 3.6 neg: 1.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 2.2 deg Storm rel helicity (0-3000m) pos: 110.5 neg: -83.4 tot: 27.1 m^2/s^2 ave: 9.0 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 11.3 stream: 0.5 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 4.99 Bulk Shear: 50.13 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 ------------------------------------------------------------------------------- 500 247 16 191 23| 4.0 0.0 4.0| 36.3 -28.5 7.7 15.5 0.05| 13.3 0.7 1000 254 15 191 20| 6.6 0.0 6.6| 90.7 -38.2 52.4 52.4 0.36| 14.1 5.1 1500 267 16 197 18| 3.9 0.0 3.9| 97.2 -58.0 39.2 26.1 0.13| 13.6 1.8 2000 274 15 197 16| 4.2 0.0 4.2|105.9 -62.9 43.0 21.5 0.16| 12.7 2.0 2500 277 16 200 15| 3.3 1.2 4.6|110.5 -71.7 38.9 15.5 0.12| 11.9 1.5 3000 279 16 200 15| 3.6 1.0 4.6|110.5 -83.4 27.1 9.0 0.05| 11.3 0.5 4000 290 18 214 12| 5.1 0.8 5.8|151.6 -84.4 67.2 16.8 0.21| 11.5 2.5 5000 293 21 230 12| 4.6 1.5 6.1|177.3-142.6 34.7 6.9 0.12| 11.3 1.4 6000 297 26 250 13| 5.4 1.3 6.7|272.6-142.6 130.1 21.7 0.20| 11.1 2.2 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250426.23.gif