UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103011.upa.cvt Date: 1100Z 30 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 30 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 1017 5 22.2 21.2 94 1.0 21.5 50 6 293.9 296.8 294.0 338.9 15.77 1 1000 149 21.8 19.9 89 1.9 20.5 45 12 295.0 297.6 293.6 337.3 14.78 2 963 476 19.0 19.0 100 0.0 19.0 21 13 295.3 297.9 293.6 336.9 14.51 3 925 822 17.2 17.1 99 0.1 17.1 5 12 296.9 299.3 293.2 335.6 13.38 4 886 1190 16.2 12.3 78 3.9 13.7 1 12 299.5 301.4 291.5 329.4 10.19 5 854 1503 14.4 11.9 85 2.5 12.8 321 13 300.8 302.7 292.0 331.2 10.30 6 850 1543 14.4 11.6 83 2.8 12.6 315 13 301.2 303.1 292.0 331.2 10.15 7 741 2688 6.2 4.6 89 1.6 5.3 274 17 304.4 305.7 290.6 326.0 7.19 8 700 3154 4.0 0.3 77 3.7 2.1 270 20 306.9 308.0 290.0 324.1 5.59 9 588 4549 -4.7 -26.7 16 22.0 -10.5 269 19 312.5 312.6 287.1 315.0 0.73 10 581 4643 -3.9 -27.9 14 24.0 -10.1 267 20 314.5 314.6 287.7 316.8 0.66 11 528 5390 -9.5 -23.5 31 14.0 -13.3 249 23 316.5 316.7 288.8 320.2 1.09 12 521 5494 -9.7 -30.7 16 21.0 -14.5 243 24 317.5 317.6 288.6 319.5 0.57 13 500 5810 -11.9 -17.9 61 6.0 -13.8 240 29 318.5 318.9 290.2 324.8 1.87 14 494 5902 -12.3 -18.3 61 6.0 -14.2 243 31 319.1 319.5 290.3 325.3 1.83 15 476 6184 -12.9 -26.9 30 14.0 -16.4 247 33 321.8 322.0 290.2 324.9 0.89 16 441 6760 -16.9 -42.9 9 26.0 -20.8 242 31 323.9 323.9 290.2 324.6 0.20 17 403 7425 -23.1 -28.1 64 5.0 -24.1 258 29 324.3 324.5 291.0 327.6 0.94 18 400 7480 -23.3 -29.3 58 6.0 -24.5 265 29 324.7 324.9 291.0 327.7 0.85 19 369 8065 -27.9 -29.9 83 2.0 -28.3 268 49 326.2 326.3 291.5 329.3 0.87 20 352 8403 -29.9 -35.9 56 6.0 -30.7 264 56 327.9 328.0 291.6 329.8 0.51 21 300 9520 -39.5 -43.4 66 3.9 -39.8 255 65 329.7 329.7 291.9 330.7 0.27 22 288 9798 -42.1 -44.0 82 1.9 -42.2 253 68 329.9 329.9 291.9 330.9 0.27 23 279 10013 -43.1 -59.1 16 16.0 -43.7 251 71 331.4 331.4 292.2 331.6 0.05 24 250 10750 -44.7 -68.7 5 24.0 -45.4 245 79 339.6 339.6 294.3 339.7 0.01 25 227 11395 -45.3 -73.3 3 28.0 -46.0 242 94 348.2 348.2 296.3 348.2 0.01 26 200 12230 -51.1 -75.1 4 24.0 -51.5 245 99 351.8 351.9 297.0 351.9 0.01 27 198 12296 -51.4 -75.3 4 23.9 -51.8 245 101 352.3 352.3 297.1 352.4 0.01 28 150 14070 -60.7 -81.7 5 21.0 -60.9 245 73 365.5 365.5 299.8 365.5 0.00 29 146 14238 -61.9 -81.9 5 20.0 -62.0 245 67 366.3 366.3 299.9 366.3 0.00 30 102 16404 -72.3 -85.3 12 13.0 -72.3 270 26 385.8 385.8 303.2 385.9 0.00 31 100 16520 -72.5 -86.5 10 14.0 -72.6 280 24 387.6 387.6 303.5 387.7 0.00 32 70 18650 -66.5 -87.5 4 21.0 -66.7 270 13 442.1 442.1 310.1 442.1 0.00 33 62 19378 -68.5 -89.5 3 21.0 -68.7 218 11 453.3 453.3 311.1 453.3 0.00 34 60 19575 -65.9 -88.9 3 23.0 -66.1 204 11 463.4 463.4 312.1 463.4 0.00 35 51 20560 -64.9 -88.9 2 24.0 -65.2 134 8 487.8 487.8 314.1 487.8 0.00 36 50 20680 -65.5 -88.5 3 23.0 -65.8 125 8 489.1 489.1 314.1 489.1 0.00 37 49 20803 -65.5 -89.5 2 24.0 -65.8 492.0 492.0 314.4 492.0 0.00 38 46 21192 -60.3 -87.3 2 27.0 -60.9 513.5 513.5 315.9 513.5 0.00 39 43 21610 -62.3 -88.3 2 26.0 -62.8 518.6 518.6 316.2 518.6 0.00 40 36 22722 -56.9 -85.9 1 29.0 -58.0 559.6 559.6 318.6 559.6 0.01 41 35 22900 -57.1 -86.1 1 29.0 -58.2 563.6 563.6 318.8 563.6 0.01 TRP 102 16404 -72.3 -85.3 12 13.0 -72.3 270 26 385.8 385.8 303.2 385.9 0.00 WND 198 12296 -51.4 -75.3 4 23.9 -51.8 245 101 352.3 352.3 297.1 352.4 0.01 Sounding variables and indices 1000-500 mb thick: 5661.00 m Freezing level: 648.51 mb = 3795.26 m = 12451.49 ft Wetbulb zero: 681.51 mb = 3368.19 m = 11050.37 ft Precipitable water: 1.56 inches Sfc-500 mean rel hum: 63.66 % Est. max temperature: 28.60 C = 83.48 F Sfc-Lift cond lev (LCL): 1002.58 mb = 126.96 m = 416.51 ft T: 21.86 C 700-500 lapse rate: 5.99 C/km ThetaE index: 16.17 C Layer 850.0- 581.0 mb Conv cond level (CCL): 957.66 mb = 523.67 m = 1718.05 ft Mean mixing ratio: 14.34 g/kg Conv temperature: 23.81 C = 74.86 F Cap Strength: 0.33 C Lifted Index: -3.78 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.48 C Lifted Index @700 mb: -2.64 C Showalter Index: -1.20 C Risk: Thunderstorms probable Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 23.50 C K Index: 34.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 210.20 Risk: None Energy Index: -1.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1021.88 J/kg Max Up Vert Vel: 45.21 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.28 C Lift Cond Lev (LCL): 957.48 mb = 525.25 m = 1723.24 ft Lev Free Conv (LFC): 952.48 mb = 570.27 m = 1870.95 ft Equ Level (EL): 902.48 mb = 1032.72 m = 3388.15 ft B at Equ Level: 12.62 J/kg Max Parcel Lev (MPL): 172.48 mb = 13177.53 m = 43232.84 ft Wind level data Storm motion: 305 at 14 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 1017 5 50 6 -4.6 -3.9 | 104 16 -15.6 3.9 1 1000 149 45 12 -8.5 -8.5 | 88 20 -19.5 -0.7 2 982 305 15 12 -3.1 -11.6 | 75 15 -14.2 -3.8 3 948 610 25 14 -5.9 -12.7 | 74 18 -17.0 -4.9 4 925 822 5 12 -1.0 -12.0 | 71 13 -12.1 -4.2 5 915 914 10 14 -2.4 -13.8 | 66 15 -13.5 -6.0 6 883 1219 360 12 -0.0 -12.0 | 69 12 -11.0 -4.2 7 850 1543 315 13 9.2 -9.2 | 52 2 -1.9 -1.4 8 821 1829 290 14 13.2 -4.8 | 215 4 2.1 3.0 9 792 2134 280 17 16.7 -3.0 | 230 7 5.7 4.8 10 763 2438 280 13 12.8 -2.3 | 198 6 1.8 5.5 11 709 3048 265 22 21.9 1.9 | 228 15 10.9 9.7 12 700 3154 270 20 20.0 -0.0 | 229 12 9.0 7.8 13 683 3353 270 21 21.0 -0.0 | 232 13 10.0 7.8 14 657 3658 285 17 16.4 -4.4 | 238 6 5.4 3.4 15 608 4267 260 19 18.7 3.3 | 215 13 7.7 11.1 16 585 4572 270 19 19.0 -0.0 | 226 11 8.0 7.8 17 563 4877 250 26 24.4 8.9 | 219 21 13.4 16.7 18 541 5182 260 22 21.7 3.8 | 223 16 10.6 11.6 19 501 5791 225 26 18.4 18.4 | 196 27 7.3 26.1 20 500 5810 240 29 25.1 14.5 | 212 26 14.1 22.3 21 481 6096 250 34 31.9 11.6 | 227 29 20.9 19.4 22 462 6401 240 31 26.8 15.5 | 214 28 15.8 23.3 23 409 7315 245 30 27.2 12.7 | 218 26 16.1 20.4 24 400 7480 265 29 28.9 2.5 | 240 21 17.8 10.3 25 392 7620 275 36 35.9 -3.1 | 259 25 24.8 4.6 26 360 8230 265 55 54.8 4.8 | 254 46 43.7 12.6 27 300 9520 255 65 62.8 16.8 | 245 57 51.7 24.6 28 250 10750 245 79 71.6 33.4 | 236 73 60.6 41.2 29 242 10973 245 80 72.5 33.8 | 236 74 61.5 41.6 30 221 11582 240 101 87.5 50.5 | 233 96 76.4 58.3 31 200 12230 245 99 89.7 41.8 | 238 93 78.7 49.6 32 198 12296 245 101 91.5 42.7 | 238 95 80.5 50.4 33 192 12497 245 101 91.5 42.7 | 238 95 80.5 50.4 34 151 14021 245 86 77.9 36.3 | 237 80 66.9 44.1 35 150 14070 245 73 66.2 30.9 | 235 67 55.1 38.6 36 130 14935 245 41 37.2 17.3 | 226 36 26.1 25.1 37 118 15545 265 33 32.9 2.9 | 244 24 21.8 10.6 38 112 15850 255 22 21.3 5.7 | 217 17 10.2 13.5 39 102 16404 270 26 26.0 -0.0 | 243 17 15.0 7.8 40 100 16520 280 24 23.6 -4.2 | 254 13 12.6 3.6 41 96 16764 275 24 23.9 -2.1 | 246 14 12.9 5.7 42 70 18650 270 13 13.0 -0.0 | 194 8 2.0 7.8 43 50 20680 125 8 -6.6 4.6 | 125 22 -17.6 12.4 Wind Parameters Mean winds (0-6000m): 275.1 at 18.0 knts Storm direction: 305.1 at 13.5 knts Shear (0-3000m) pos: 0.0 neg: 4.5 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 124.0 deg Storm rel helicity (0-3000m) pos: 11.7 neg: -58.8 tot: -47.1 m^2/s^2 ave: -15.7 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 9.6 stream: -1.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 12.50 Bulk Shear: 81.75 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 29 11 82 17| 0.0 8.8 8.8| 0.0 -41.1 -41.1 -82.2 -0.69| 13.6 -9.3 1000 21 12 76 16| 0.0 5.1 5.1| 0.1 -48.6 -48.5 -48.5 -0.52| 10.9 -5.6 1500 11 12 72 14| 0.0 4.9 4.9| 1.9 -53.6 -51.7 -34.5 -0.40| 10.9 -4.4 2000 352 13 62 10| 0.0 5.1 5.1| 2.9 -53.6 -50.6 -25.3 -0.21| 10.9 -2.3 2500 334 13 51 7| 0.0 3.8 3.8| 4.1 -58.8 -54.8 -21.9 -0.24| 9.8 -2.3 3000 318 14 32 3| 0.0 4.5 4.5| 11.7 -58.8 -47.1 -15.7 -0.14| 9.6 -1.4 4000 300 15 267 2| 0.6 3.4 4.0| 17.3 -63.4 -46.1 -11.5 -0.12| 8.7 -1.1 5000 287 16 239 5| 0.5 3.5 3.9| 26.6 -76.8 -50.2 -10.0 -0.11| 8.7 -0.9 6000 275 18 228 9| 0.6 2.9 3.5|104.2-122.0 -17.8 -3.0 -0.05| 9.5 -0.5 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251030.11.gif