UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010511.upa.cvt Date: 1100Z 5 JAN 26 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 5 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 1012 5 25.2 20.5 75 4.7 21.9 355 9 297.3 300.1 294.6 341.2 15.17 1 1000 109 24.6 19.8 75 4.8 21.2 350 14 297.8 300.4 294.4 340.3 14.69 2 936 686 19.4 17.2 87 2.2 17.9 340 13 298.1 300.6 293.5 336.8 13.30 3 925 788 19.2 12.2 64 7.0 14.8 340 12 298.9 300.7 290.9 327.3 9.69 4 917 863 19.6 9.6 52 10.0 13.5 349 9 300.1 301.6 290.0 324.3 8.20 5 873 1285 17.2 14.8 86 2.4 15.6 112 3 301.9 304.1 293.8 337.9 12.22 6 861 1403 16.8 13.2 79 3.6 14.4 134 7 302.6 304.7 293.2 335.7 11.14 7 850 1513 16.8 9.8 63 7.0 12.4 155 10 303.7 305.4 291.9 330.6 8.98 8 845 1563 16.6 7.6 55 9.0 11.2 158 10 304.0 305.5 291.0 327.4 7.77 9 800 2027 13.6 4.6 54 9.0 8.5 172 13 305.6 306.9 290.5 325.8 6.66 10 737 2714 10.4 0.4 50 10.0 5.1 172 24 309.4 310.4 290.6 326.0 5.35 11 700 3140 7.0 -2.0 53 9.0 2.4 170 19 310.2 311.1 290.3 325.0 4.72 12 652 3720 3.4 -8.6 41 12.0 -1.9 133 14 312.5 313.1 289.5 322.4 3.06 13 579 4667 -5.1 -8.7 76 3.6 -6.6 53 12 313.4 314.0 290.1 324.4 3.42 14 545 5141 -6.9 -6.9 100 0.0 -6.9 303 10 316.7 317.5 291.7 330.2 4.19 15 500 5810 -9.7 -10.2 96 0.5 -9.9 205 15 321.2 321.9 292.5 332.8 3.52 16 443 6735 -14.3 -15.3 92 1.0 -14.7 256 15 326.7 327.2 293.2 335.7 2.63 17 411 7298 -18.9 -23.1 69 4.2 -20.0 275 36 327.9 328.2 292.5 333.0 1.45 18 400 7500 -19.5 -21.7 83 2.2 -20.1 280 35 329.6 330.0 293.2 335.6 1.69 19 320 9125 -31.3 -33.1 84 1.8 -31.6 293 33 335.0 335.2 293.7 337.8 0.74 20 300 9580 -34.7 -42.7 44 8.0 -35.5 290 49 336.5 336.5 293.7 337.6 0.30 21 274 10206 -39.1 -63.1 6 24.0 -40.1 292 67 338.9 338.9 294.1 339.1 0.03 22 268 10357 -39.5 -61.5 8 22.0 -40.5 293 72 340.5 340.5 294.5 340.7 0.04 23 250 10830 -41.1 -66.1 5 25.0 -42.1 295 86 345.0 345.0 295.5 345.1 0.02 24 210 11992 -48.9 -71.6 5 22.7 -49.4 295 111 350.4 350.4 296.7 350.4 0.01 25 200 12310 -51.1 -73.1 6 22.0 -51.5 290 108 351.8 351.9 297.0 351.9 0.01 26 185 12814 -54.5 -74.5 7 20.0 -54.8 286 96 354.3 354.3 297.5 354.3 0.01 27 150 14140 -60.7 -82.7 4 22.0 -60.9 275 67 365.5 365.5 299.8 365.5 0.00 28 130 15020 -64.3 -85.3 4 21.0 -64.4 263 61 374.3 374.3 301.3 374.3 0.00 29 100 16580 -75.1 -88.1 11 13.0 -75.2 260 36 382.6 382.6 302.6 382.6 0.00 30 94 16937 -75.7 -87.7 14 12.0 -75.7 260 39 388.3 388.3 303.5 388.3 0.00 31 81 17804 -71.9 -87.9 7 16.0 -72.0 207 22 413.0 413.0 306.9 413.0 0.00 32 72 18494 -73.3 -88.3 8 15.0 -73.3 165 9 424.1 424.1 308.2 424.1 0.00 33 70 18660 -70.5 -88.5 5 18.0 -70.6 155 6 433.6 433.6 309.2 433.6 0.00 34 58 19785 -66.7 -87.7 4 21.0 -66.9 149 9 466.1 466.1 312.3 466.1 0.00 35 53 20328 -67.9 -88.9 3 21.0 -68.1 147 10 475.5 475.5 313.1 475.5 0.00 36 50 20680 -64.9 -87.9 3 23.0 -65.2 145 11 490.5 490.5 314.2 490.6 0.00 37 47 21058 -63.3 -87.3 2 24.0 -63.7 137 13 503.1 503.1 315.2 503.2 0.00 38 30 23840 -58.9 -85.9 2 27.0 -59.9 80 27 584.1 584.1 319.9 584.1 0.01 39 24 25245 -57.5 -85.5 2 28.0 -59.0 626.6 626.6 321.7 626.7 0.01 40 21 26090 -56.9 -84.9 2 28.0 -58.6 652.8 652.8 322.8 652.9 0.01 TRP 94 16937 -75.7 -87.7 14 12.0 -75.7 260 39 388.3 388.3 303.5 388.3 0.00 WND 210 11992 -48.9 -71.6 5 22.7 -49.4 295 111 350.4 350.4 296.7 350.4 0.01 Sounding variables and indices 1000-500 mb thick: 5701.00 m Freezing level: 622.80 mb = 4098.64 m = 13446.82 ft Wetbulb zero: 672.82 mb = 3463.11 m = 11361.78 ft Precipitable water: 1.59 inches Sfc-500 mean rel hum: 67.23 % Est. max temperature: 30.45 C = 86.81 F Sfc-Lift cond lev (LCL): 945.08 mb = 601.68 m = 1973.98 ft T: 20.16 C 700-500 lapse rate: 6.25 C/km ThetaE index: 16.93 C Layer 1000.0- 873.0 mb Conv cond level (CCL): 818.98 mb = 1828.05 m = 5997.46 ft Mean mixing ratio: 13.10 g/kg Conv temperature: 32.86 C = 91.15 F Cap Strength: 2.69 C Lifted Index: -1.34 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.61 C Lifted Index @700 mb: 0.51 C Showalter Index: 1.24 C Risk: Showers probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 19.50 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 152.60 Risk: None Energy Index: 0.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 206.44 J/kg Max Up Vert Vel: 20.32 m/s Conv Inhibition (B-): 154.78 J/kg Cap Strength: 2.64 C Lift Cond Lev (LCL): 902.31 mb = 1001.46 m = 3285.60 ft Lev Free Conv (LFC): 657.31 mb = 3653.36 m = 11985.94 ft Equ Level (EL): 397.31 mb = 7549.09 m = 24767.06 ft B at Equ Level: 205.32 J/kg Max Parcel Lev (MPL): 257.31 mb = 10633.85 m = 34887.53 ft Wind level data Storm motion: 195 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 1012 5 355 9 0.8 -9.0 | 5 19 -1.8 -19.0 1 1000 109 350 14 2.4 -13.8 | 0 24 -0.2 -23.8 2 978 305 340 15 5.1 -14.1 | 354 24 2.5 -24.1 3 925 788 340 12 4.1 -11.3 | 356 21 1.5 -21.3 4 911 914 355 7 0.6 -7.0 | 7 17 -2.0 -17.0 5 880 1219 100 1 -1.0 0.2 | 20 11 -3.6 -9.9 6 850 1513 155 10 -4.2 9.1 | 82 7 -6.8 -1.0 7 849 1524 155 10 -4.2 9.1 | 82 7 -6.8 -1.0 8 819 1829 175 13 -1.1 13.0 | 128 5 -3.7 2.9 9 789 2134 170 13 -2.3 12.8 | 119 6 -4.9 2.8 10 761 2438 150 27 -13.5 23.4 | 130 21 -16.1 13.3 11 734 2743 175 24 -2.1 23.9 | 161 15 -4.7 13.9 12 700 3140 170 19 -3.3 18.7 | 146 10 -5.9 8.7 13 681 3353 175 16 -1.4 15.9 | 146 7 -4.0 5.9 14 656 3658 140 14 -9.0 10.7 | 93 12 -11.6 0.7 15 631 3962 95 15 -14.9 1.3 | 64 20 -17.6 -8.7 16 607 4267 145 8 -4.6 6.6 | 64 8 -7.2 -3.5 17 584 4572 70 12 -11.3 -4.1 | 44 20 -13.9 -14.2 18 541 5182 290 10 9.4 -3.4 | 333 15 6.8 -13.5 19 521 5486 220 18 11.6 13.8 | 247 10 9.0 3.7 20 501 5791 205 15 6.3 13.6 | 226 5 3.7 3.5 21 500 5810 205 15 6.3 13.6 | 226 5 3.7 3.5 22 481 6096 160 14 -4.8 13.2 | 113 8 -7.4 3.1 23 462 6401 180 16 0.0 16.0 | 156 6 -2.6 5.9 24 444 6706 255 14 13.5 3.6 | 300 13 10.9 -6.4 25 427 7010 275 25 24.9 -2.2 | 299 25 22.3 -12.2 26 410 7315 275 37 36.9 -3.2 | 291 37 34.3 -13.3 27 400 7500 280 35 34.5 -6.1 | 297 36 31.9 -16.1 28 347 8534 290 20 18.8 -6.8 | 316 23 16.2 -16.9 29 305 9449 295 40 36.3 -16.9 | 309 43 33.6 -27.0 30 300 9580 290 49 46.0 -16.8 | 302 51 43.4 -26.8 31 250 10830 295 86 77.9 -36.3 | 302 88 75.3 -46.4 32 210 11992 295 111 100.6 -46.9 | 300 113 98.0 -57.0 33 204 12192 295 111 100.6 -46.9 | 300 113 98.0 -57.0 34 200 12310 290 108 101.5 -36.9 | 295 109 98.9 -47.0 35 160 13716 280 74 72.9 -12.8 | 288 74 70.3 -22.9 36 150 14140 275 67 66.7 -5.8 | 284 66 64.1 -15.9 37 138 14630 275 61 60.8 -5.3 | 285 60 58.2 -15.4 38 125 15240 255 61 58.9 15.8 | 264 57 56.3 5.7 39 107 16154 240 57 49.4 28.5 | 248 50 46.8 18.4 40 102 16459 240 45 39.0 22.5 | 251 38 36.4 12.4 41 100 16580 260 36 35.5 6.3 | 277 33 32.8 -3.8 42 97 16764 260 36 35.5 6.3 | 277 33 32.8 -3.8 43 94 16937 260 39 38.4 6.8 | 275 36 35.8 -3.3 44 70 18660 155 6 -2.5 5.4 | 48 7 -5.1 -4.6 45 50 20680 145 11 -6.3 9.0 | 83 9 -8.9 -1.0 46 30 23840 80 27 -26.6 -4.7 | 63 33 -29.2 -14.7 Wind Parameters Mean winds (0-6000m): 164.5 at 13.8 knts Storm direction: 194.5 at 10.4 knts Shear (0-3000m) pos: 3.8 neg: 1.5 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 146.3 deg Storm rel helicity (0-3000m) pos: 116.4 neg: -38.8 tot: 77.5 m^2/s^2 ave: 25.8 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 11.8 stream: 4.4 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 2.04 Bulk Shear: 101.28 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 ------------------------------------------------------------------------------- 500 344 14 357 23| 0.0 5.7 5.7| 1.9 -27.7 -25.7 -51.5 -0.47| 9.2 -4.4 1000 344 12 358 22| 5.6 2.9 8.4| 37.6 -27.7 9.9 9.9 0.16| 10.3 1.6 1500 347 10 1 19| 8.1 1.9 10.0| 65.8 -30.0 35.8 23.9 0.38| 12.2 4.6 2000 344 10 359 20| 6.8 1.4 8.3| 72.8 -30.3 42.5 21.3 0.43| 10.6 4.6 2500 152 12 94 8| 5.5 1.8 7.3| 85.1 -33.1 52.0 20.8 0.36| 11.7 4.2 3000 164 14 118 7| 3.8 1.5 5.4|116.4 -38.8 77.5 25.8 0.37| 11.8 4.4 4000 158 15 113 9| 2.9 2.5 5.3|116.4 -91.2 25.2 6.3 0.10| 11.9 1.2 5000 146 14 98 10| 2.3 2.3 4.6|121.5-221.7-100.2 -20.0 -0.12| 13.7 -1.6 6000 165 14 118 7| 1.9 0.3 2.2|121.5-319.2-197.8 -33.0 -0.29| 14.8 -4.3 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20260105.11.gif