UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101723.upa.cvt Date: 2300Z 17 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 17 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 1014 5 24.8 15.8 57 9.0 18.8 15 8 296.8 298.8 291.5 329.2 11.20 1 1013 13 23.0 15.0 61 8.0 17.8 14 8 295.1 297.0 290.5 325.6 10.64 2 1000 124 22.2 14.2 60 8.0 17.1 360 6 295.4 297.2 290.2 324.8 10.23 3 949 576 18.6 12.6 68 6.0 14.8 295 10 296.2 297.9 290.0 324.2 9.70 4 934 714 20.0 10.0 53 10.0 13.9 298 12 298.9 300.4 289.8 323.2 8.28 5 925 797 19.6 10.6 56 9.0 14.0 305 14 299.4 300.9 290.2 324.9 8.70 6 850 1521 17.0 8.0 55 9.0 11.6 250 12 304.0 305.4 291.1 327.8 7.94 7 816 1868 15.0 4.0 48 11.0 8.8 234 15 305.4 306.6 290.1 324.4 6.25 8 813 1899 15.0 3.0 44 12.0 8.3 233 14 305.7 306.8 289.8 323.5 5.85 9 730 2800 8.6 -4.4 39 13.0 2.4 172 14 308.3 309.0 288.8 320.1 3.78 10 700 3145 5.4 -5.6 45 11.0 0.3 185 17 308.5 309.1 288.6 319.7 3.60 11 608 4275 -3.7 -14.7 42 11.0 -7.6 204 19 310.7 311.0 287.8 317.2 2.01 12 593 4471 -5.1 -9.2 73 4.1 -6.8 217 19 311.3 311.9 289.2 321.5 3.21 13 558 4946 -8.5 -9.7 91 1.2 -9.0 238 24 312.7 313.3 289.8 323.2 3.28 14 557 4959 -8.7 -10.8 85 2.1 -9.5 237 25 312.6 313.2 289.5 322.3 3.01 15 551 5043 -8.3 -33.3 11 25.0 -13.6 233 28 314.1 314.2 287.3 315.6 0.42 16 549 5072 -8.5 -38.5 7 30.0 -14.0 231 29 314.2 314.2 287.1 315.1 0.25 17 500 5790 -12.7 -32.7 17 20.0 -16.8 240 32 317.6 317.6 288.5 319.3 0.49 18 498 5821 -12.9 -30.9 21 18.0 -16.7 241 32 317.7 317.8 288.6 319.7 0.58 19 479 6117 -14.1 -47.1 4 33.0 -18.7 255 30 319.7 319.8 288.8 320.2 0.11 20 403 7405 -23.1 -43.1 14 20.0 -25.6 224 49 324.3 324.3 290.3 325.1 0.21 21 400 7460 -23.3 -41.3 18 18.0 -25.7 225 51 324.7 324.8 290.5 325.7 0.26 22 396 7533 -23.9 -38.9 24 15.0 -26.1 225 51 324.9 324.9 290.6 326.1 0.33 23 354 8339 -31.5 -35.9 65 4.4 -32.1 225 54 325.2 325.3 290.9 327.1 0.50 24 338 8664 -33.3 -35.6 80 2.3 -33.6 225 62 327.1 327.2 291.5 329.1 0.54 25 300 9490 -39.9 -42.9 73 3.0 -40.1 220 73 329.1 329.2 291.7 330.2 0.29 26 286 9817 -42.3 -43.9 84 1.6 -42.4 217 75 330.2 330.3 292.0 331.3 0.27 27 255 10589 -47.7 -50.5 73 2.8 -47.9 211 80 333.3 333.3 292.7 333.8 0.15 28 250 10720 -48.5 -57.5 34 9.0 -48.8 210 81 334.0 334.0 292.9 334.2 0.06 29 249 10746 -48.9 -59.9 27 11.0 -49.2 210 81 333.7 333.8 292.8 333.9 0.05 30 248 10773 -48.5 -66.5 11 18.0 -48.9 210 81 334.7 334.7 293.0 334.8 0.02 31 244 10879 -48.5 -69.5 7 21.0 -49.0 210 81 336.3 336.3 293.4 336.3 0.01 32 214 11729 -53.3 -63.3 29 10.0 -53.5 205 122 341.7 341.7 294.8 341.8 0.04 33 206 11972 -54.8 -66.5 22 11.7 -55.0 205 129 343.1 343.1 295.1 343.2 0.02 34 200 12160 -55.9 -68.9 18 13.0 -56.1 205 125 344.2 344.2 295.4 344.3 0.02 35 157 13685 -61.1 -80.1 6 19.0 -61.3 195 69 360.1 360.1 298.7 360.1 0.00 36 151 13928 -59.3 -82.3 4 23.0 -59.5 216 62 367.2 367.2 300.1 367.2 0.00 37 150 13970 -59.5 -82.5 4 23.0 -59.7 220 61 367.6 367.6 300.1 367.6 0.00 38 132 14769 -60.7 -83.7 3 23.0 -60.9 231 62 379.1 379.1 302.1 379.1 0.00 39 105 16166 -69.1 -86.1 7 17.0 -69.2 250 37 388.8 388.8 303.6 388.8 0.00 40 100 16460 -66.5 -86.5 4 20.0 -66.6 230 33 399.2 399.2 305.1 399.3 0.00 41 80 17797 -69.3 -88.3 5 19.0 -69.4 230 24 419.8 419.8 307.7 419.8 0.00 42 70 18600 -64.9 -87.9 3 23.0 -65.1 230 17 445.5 445.5 310.4 445.6 0.00 43 57 19848 -66.5 -89.5 3 23.0 -66.7 154 20 468.9 468.9 312.5 468.9 0.00 44 50 20650 -61.7 -88.7 2 27.0 -62.1 105 22 498.1 498.1 314.8 498.1 0.00 45 30 23840 -58.1 -87.1 1 29.0 -59.2 110 21 586.2 586.3 320.0 586.3 0.01 46 29 24054 -58.1 -87.1 1 29.0 -59.3 107 21 592.0 592.0 320.2 592.0 0.01 47 20 26430 -52.9 -84.9 1 32.0 -55.6 75 18 674.3 674.3 323.6 674.4 0.01 48 18 27112 -51.3 -84.3 1 33.0 -54.6 699.9 699.9 324.4 700.1 0.02 TRP 105 16166 -69.1 -86.1 7 17.0 -69.2 250 37 388.8 388.8 303.6 388.8 0.00 WND 206 11972 -54.8 -66.5 22 11.7 -55.0 205 129 343.1 343.1 295.1 343.2 0.02 Sounding variables and indices 1000-500 mb thick: 5666.00 m Freezing level: 645.41 mb = 3815.48 m = 12517.81 ft Wetbulb zero: 696.36 mb = 3186.77 m = 10455.16 ft Precipitable water: 1.10 inches Sfc-500 mean rel hum: 47.17 % Est. max temperature: 31.12 C = 88.01 F Sfc-Lift cond lev (LCL): 888.67 mb = 1140.04 m = 3740.24 ft T: 18.37 C 700-500 lapse rate: 6.84 C/km ThetaE index: 10.59 C Layer 816.0- 593.0 mb Conv cond level (CCL): 728.83 mb = 2813.06 m = 9229.09 ft Mean mixing ratio: 9.59 g/kg Conv temperature: 36.37 C = 97.47 F Cap Strength: 6.49 C Lifted Index: 1.23 C Risk: Showers probable Lifted Index @300 mb: 3.94 C Lifted Index @700 mb: 3.15 C Showalter Index: -0.36 C Risk: Thunderstorms probable Total Totals Index: 50.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.70 C Cross Totals Index: 20.70 C K Index: 26.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 180.00 Risk: None Energy Index: -1.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.04 J/kg Max Up Vert Vel: 6.49 m/s Conv Inhibition (B-): 493.85 J/kg Cap Strength: 6.48 C Lift Cond Lev (LCL): 858.82 mb = 1432.59 m = 4700.05 ft Lev Free Conv (LFC): 563.82 mb = 4864.68 m = 15960.05 ft Equ Level (EL): 553.82 mb = 5003.81 m = 16416.49 ft B at Equ Level: 19.77 J/kg Max Parcel Lev (MPL): 503.82 mb = 5731.48 m = 18803.84 ft Wind level data Storm motion: 257 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 1014 5 15 8 -2.1 -7.7 | 55 19 -15.5 -10.9 1 1000 124 360 6 -0.0 -6.0 | 56 16 -13.4 -9.2 2 945 610 290 10 9.4 -3.4 | 31 8 -4.0 -6.6 3 925 797 305 14 11.5 -8.0 | 10 11 -2.0 -11.2 4 912 914 290 16 15.0 -5.5 | 349 9 1.6 -8.7 5 880 1219 280 14 13.8 -2.4 | 356 6 0.4 -5.6 6 850 1521 250 12 11.3 4.1 | 113 2 -2.1 0.9 7 819 1829 235 15 12.3 8.6 | 168 6 -1.1 5.4 8 790 2134 225 12 8.5 8.5 | 137 7 -4.9 5.3 9 762 2438 220 14 9.0 10.7 | 150 9 -4.4 7.5 10 734 2743 170 14 -2.4 13.8 | 124 19 -15.9 10.6 11 700 3145 185 17 1.5 16.9 | 139 18 -11.9 13.7 12 682 3353 195 18 4.7 17.4 | 148 17 -8.8 14.2 13 631 3962 190 21 3.6 20.7 | 151 20 -9.8 17.5 14 607 4267 205 19 8.0 17.2 | 159 15 -5.4 14.0 15 584 4572 225 19 13.4 13.4 | 180 10 0.0 10.2 16 562 4877 240 22 19.1 11.0 | 216 10 5.6 7.8 17 540 5182 225 34 24.0 24.0 | 207 23 10.6 20.8 18 500 5790 240 32 27.7 16.0 | 228 19 14.3 12.8 19 480 6096 255 30 29.0 7.8 | 254 16 15.6 4.6 20 442 6706 240 21 18.2 10.5 | 213 9 4.8 7.3 21 425 7010 220 34 21.9 26.0 | 200 24 8.4 22.8 22 400 7460 225 51 36.1 36.1 | 215 40 22.6 32.9 23 391 7620 225 52 36.8 36.8 | 215 41 23.3 33.6 24 359 8230 225 52 36.8 36.8 | 215 41 23.3 33.6 25 315 9144 225 74 52.3 52.3 | 218 63 38.9 49.1 26 300 9490 220 73 46.9 55.9 | 212 62 33.5 52.7 27 250 10720 210 81 40.5 70.1 | 202 72 27.1 66.9 28 240 10973 210 81 40.5 70.1 | 202 72 27.1 66.9 29 219 11582 205 118 49.9 106.9 | 199 110 36.4 103.7 30 206 11972 205 129 54.5 116.9 | 200 121 41.1 113.7 31 200 12160 205 125 52.8 113.3 | 200 117 39.4 110.1 32 199 12192 205 129 54.5 116.9 | 200 121 41.1 113.7 33 190 12497 205 124 52.4 112.4 | 200 116 39.0 109.2 34 156 13716 195 67 17.3 64.7 | 184 62 3.9 61.5 35 150 13970 220 61 39.2 46.7 | 211 51 25.8 43.5 36 142 14326 220 61 39.2 46.7 | 211 51 25.8 43.5 37 135 14630 235 67 54.9 38.4 | 230 54 41.5 35.2 38 122 15240 215 42 24.1 34.4 | 199 33 10.7 31.2 39 116 15545 230 33 25.3 21.2 | 213 22 11.9 18.0 40 111 15850 255 27 26.1 7.0 | 253 13 12.7 3.8 41 105 16166 250 37 34.8 12.7 | 246 23 21.3 9.4 42 100 16459 255 35 33.8 9.1 | 254 21 20.4 5.9 43 100 16460 230 33 25.3 21.2 | 213 22 11.9 18.0 44 95 16764 230 33 25.3 21.2 | 213 22 11.9 18.0 45 70 18600 230 17 13.0 10.9 | 177 8 -0.4 7.7 46 50 20650 105 22 -21.3 5.7 | 94 35 -34.7 2.5 47 30 23840 110 21 -19.7 7.2 | 97 33 -33.2 4.0 48 20 26430 75 18 -17.4 -4.7 | 76 32 -30.8 -7.9 Wind Parameters Mean winds (0-6000m): 226.6 at 18.4 knts Storm direction: 256.6 at 13.8 knts Shear (0-3000m) pos: 0.0 neg: 4.1 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 78.6 deg Storm rel helicity (0-3000m) pos: 20.8 neg: -61.4 tot: -40.7 m^2/s^2 ave: -13.6 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 9.7 stream: -1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.33 Bulk Shear: 64.39 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 ------------------------------------------------------------------------------- 500 336 7 46 14| 0.0 10.1 10.1| 0.6 -17.9 -17.3 -34.7 -0.46| 10.7 -4.9 1000 308 10 30 11| 0.0 8.8 8.8| 0.6 -36.4 -35.8 -35.8 -0.53| 11.8 -6.3 1500 294 11 21 8| 0.0 6.1 6.1| 3.6 -36.4 -32.8 -21.9 -0.23| 11.0 -2.5 2000 277 12 19 5| 0.0 5.2 5.2| 6.0 -39.4 -33.4 -16.7 -0.16| 10.0 -1.6 2500 264 12 34 2| 0.0 4.5 4.5| 8.6 -43.3 -34.7 -13.9 -0.15| 9.3 -1.4 3000 248 13 129 2| 0.0 4.1 4.1| 20.8 -61.4 -40.7 -13.6 -0.16| 9.7 -1.6 4000 224 14 153 8| 0.6 3.3 4.0| 48.4 -61.4 -13.0 -3.3 -0.05| 8.4 -0.4 5000 222 15 160 9| 2.3 2.7 4.9| 89.4 -63.2 26.2 5.2 0.10| 9.0 0.9 6000 227 18 180 9| 2.3 2.6 4.9|157.4 -72.4 85.0 14.2 0.18| 9.4 1.7 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251017.23.gif