UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010711.upa.cvt Date: 1100Z 7 JAN 26 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 7 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 1018 5 24.4 19.7 75 4.7 21.1 115 19 296.0 298.6 293.6 337.3 14.33 1 1000 160 23.4 18.4 74 5.0 20.0 125 18 296.5 299.0 293.2 335.3 13.43 2 925 836 17.6 16.5 93 1.1 16.9 85 17 297.3 299.6 292.9 334.6 12.87 3 907 1004 16.2 16.1 99 0.1 16.1 99 17 297.5 299.9 293.0 334.6 12.79 4 850 1555 13.2 12.9 98 0.3 13.0 95 18 300.0 302.0 292.4 332.4 11.07 5 843 1625 13.0 12.3 96 0.7 12.6 96 19 300.5 302.4 292.3 332.0 10.72 6 794 2126 9.8 9.8 100 0.0 9.8 115 18 302.2 304.0 291.9 330.8 9.63 7 771 2370 8.8 8.8 100 0.0 8.8 115 23 303.7 305.4 292.1 331.4 9.26 8 770 2380 8.8 7.1 89 1.7 7.8 115 23 303.8 305.4 291.3 328.5 8.25 9 768 2402 10.2 1.2 54 9.0 5.4 115 23 305.6 306.6 289.4 322.2 5.44 10 757 2523 13.4 -24.6 5 38.0 0.9 117 24 310.3 310.4 286.2 312.6 0.69 11 739 2725 12.2 -18.8 10 31.0 0.8 122 24 311.1 311.4 287.1 315.0 1.17 12 704 3130 9.0 -17.0 14 26.0 -0.7 127 26 311.9 312.2 287.6 316.7 1.43 13 700 3177 9.6 -22.4 9 32.0 -1.2 125 27 313.1 313.3 287.5 316.2 0.90 14 674 3491 10.0 114 25 317.0 15 563 4963 1.6 -21.4 16 23.0 -6.2 116 20 323.8 324.1 291.2 328.1 1.23 16 516 5661 -2.1 -32.1 8 30.0 -9.9 115 16 327.5 327.6 291.5 329.4 0.50 17 500 5910 -4.5 -28.5 13 24.0 -11.1 120 13 327.6 327.7 291.7 330.2 0.73 18 482 6196 -7.1 -31.1 13 24.0 -13.1 115 12 327.8 327.9 291.7 330.0 0.59 19 444 6831 -10.5 -40.5 7 30.0 -16.2 127 20 331.3 331.4 292.3 332.3 0.25 20 400 7620 -18.3 -42.3 10 24.0 -22.0 110 17 331.2 331.3 292.3 332.1 0.23 21 358 8437 -25.7 -48.7 10 23.0 -28.1 121 15 332.0 332.0 292.4 332.5 0.13 22 336 8895 -27.7 -57.7 4 30.0 -30.0 137 16 335.3 335.3 293.2 335.5 0.05 23 327 9091 -25.9 -61.9 2 36.0 -28.7 147 14 340.4 340.4 294.4 340.5 0.03 24 300 9710 -30.1 -64.1 2 34.0 -32.3 155 10 343.0 343.0 295.0 343.1 0.02 25 250 10980 -39.3 -70.3 2 31.0 -40.5 270 10 347.6 347.6 296.1 347.7 0.01 26 235 11400 -42.9 -70.9 3 28.0 -43.7 274 12 348.4 348.4 296.3 348.4 0.01 27 200 12470 -50.5 -76.5 3 26.0 -51.0 250 17 352.8 352.8 297.3 352.8 0.01 28 154 14128 -63.1 -82.1 6 19.0 -63.2 249 22 358.7 358.7 298.4 358.7 0.00 29 150 14290 -64.1 -83.1 6 19.0 -64.2 245 21 359.7 359.7 298.7 359.7 0.00 30 100 16680 -78.5 -89.5 15 11.0 -78.5 135 18 376.1 376.1 301.6 376.1 0.00 31 95 16970 -80.3 -89.3 21 9.0 -80.3 120 7 378.1 378.1 301.9 378.1 0.00 32 92 17153 -76.7 -88.7 13 12.0 -76.7 135 17 388.7 388.7 303.6 388.7 0.00 33 82 17809 -79.5 -91.5 12 12.0 -79.5 137 12 396.0 396.0 304.6 396.0 0.00 34 70 18710 -77.1 -90.1 11 13.0 -77.1 140 5 419.4 419.4 307.6 419.4 0.00 35 50 20690 -69.9 -90.9 3 21.0 -70.1 115 26 478.8 478.8 313.4 478.8 0.00 36 41 21893 -62.1 -89.1 2 27.0 -62.6 103 26 526.2 526.2 316.7 526.2 0.00 37 30 23840 -58.3 -87.3 1 29.0 -59.4 85 25 585.7 585.7 319.9 585.7 0.01 38 29 24054 -57.9 -86.9 1 29.0 -59.1 592.5 592.5 320.3 592.6 0.01 39 28 24275 -57.9 -85.9 2 28.0 -59.1 598.5 598.5 320.5 598.5 0.01 TRP 95 16970 -80.3 -89.3 21 9.0 -80.3 120 7 378.1 378.1 301.9 378.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5750.00 m Freezing level: 542.68 mb = 5264.86 m = 17272.95 ft Wetbulb zero: 720.72 mb = 2933.93 m = 9625.62 ft Precipitable water: 1.31 inches Sfc-500 mean rel hum: 58.13 % Est. max temperature: 27.57 C = 81.63 F Sfc-Lift cond lev (LCL): 950.54 mb = 599.88 m = 1968.08 ft T: 19.63 C 700-500 lapse rate: 5.16 C/km ThetaE index: 18.72 C Layer 770.0- 739.0 mb Conv cond level (CCL): 914.59 mb = 932.78 m = 3060.28 ft Mean mixing ratio: 13.26 g/kg Conv temperature: 25.81 C = 78.47 F Cap Strength: 5.47 C Lifted Index: 4.33 C Risk: None Lifted Index @300 mb: 6.91 C Lifted Index @700 mb: 3.49 C Showalter Index: 5.62 C Risk: None Total Totals Index: 35.10 C Risk: None Vertical Totals Index: 17.70 C Cross Totals Index: 17.40 C K Index: -1.40 Risk: None Sweat Index: 203.80 Risk: None Energy Index: -0.29 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.29 J/kg Max Up Vert Vel: 8.64 m/s Conv Inhibition (B-): 2.90 J/kg Cap Strength: 5.44 C Lift Cond Lev (LCL): 922.81 mb = 856.25 m = 2809.18 ft Lev Free Conv (LFC): 907.81 mb = 996.44 m = 3269.12 ft Equ Level (EL): 767.81 mb = 2404.06 m = 7887.25 ft B at Equ Level: 35.57 J/kg Max Parcel Lev (MPL): 737.81 mb = 2738.51 m = 8984.51 ft Wind level data Storm motion: 144 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 1018 5 115 19 -17.2 8.0 | 65 9 -8.5 -4.0 1 1000 160 125 18 -14.7 10.3 | 74 6 -6.0 -1.7 2 983 305 130 16 -12.3 10.3 | 64 4 -3.5 -1.7 3 949 610 110 17 -16.0 5.8 | 49 10 -7.2 -6.2 4 925 836 85 17 -16.9 -1.5 | 31 16 -8.2 -13.5 5 917 914 95 17 -16.9 1.5 | 38 13 -8.2 -10.5 6 884 1219 110 17 -16.0 5.8 | 49 10 -7.2 -6.2 7 853 1524 90 18 -18.0 0.0 | 38 15 -9.3 -12.0 8 850 1555 95 18 -17.9 1.6 | 41 14 -9.2 -10.5 9 823 1829 100 20 -19.7 3.5 | 52 14 -11.0 -8.5 10 793 2134 115 18 -16.3 7.6 | 60 9 -7.6 -4.4 11 765 2438 115 24 -21.8 10.1 | 82 13 -13.0 -1.9 12 711 3048 130 24 -18.4 15.4 | 109 10 -9.6 3.4 13 700 3177 125 27 -22.1 15.5 | 105 14 -13.4 3.5 14 685 3353 120 27 -23.4 13.5 | 96 15 -14.6 1.5 15 660 3658 105 22 -21.3 5.7 | 63 14 -12.5 -6.3 16 612 4267 120 21 -18.2 10.5 | 81 10 -9.4 -1.5 17 547 5182 115 19 -17.2 8.0 | 65 9 -8.5 -4.0 18 507 5791 115 15 -13.6 6.3 | 41 7 -4.9 -5.7 19 500 5910 120 13 -11.3 6.5 | 25 6 -2.5 -5.5 20 488 6096 120 12 -10.4 6.0 | 15 6 -1.7 -6.0 21 469 6401 105 13 -12.6 3.4 | 24 9 -3.8 -8.7 22 451 6706 130 20 -15.3 12.9 | 97 7 -6.6 0.8 23 400 7620 110 17 -16.0 5.8 | 49 10 -7.2 -6.2 24 384 7925 105 17 -16.4 4.4 | 45 11 -7.7 -7.6 25 368 8230 115 14 -12.7 5.9 | 33 7 -4.0 -6.1 26 338 8839 135 16 -11.3 11.3 | 75 3 -2.6 -0.7 27 324 9144 150 13 -6.5 11.3 | 289 2 2.2 -0.8 28 311 9449 160 10 -3.4 9.4 | 296 6 5.3 -2.6 29 300 9710 155 10 -4.2 9.1 | 303 5 4.5 -3.0 30 285 10058 155 10 -4.2 9.1 | 303 5 4.5 -3.0 31 273 10363 170 10 -1.7 9.8 | 287 7 7.0 -2.2 32 261 10668 220 5 3.2 3.8 | 304 14 12.0 -8.2 33 250 10980 270 10 10.0 -0.0 | 303 22 18.7 -12.0 34 239 11278 270 10 10.0 -0.0 | 303 22 18.7 -12.0 35 228 11582 280 16 15.8 -2.8 | 301 29 24.5 -14.8 36 200 12470 250 17 16.0 5.8 | 284 25 24.7 -6.2 37 190 12802 245 19 17.2 8.0 | 279 26 26.0 -4.0 38 164 13716 260 25 24.6 4.3 | 283 34 33.4 -7.7 39 150 14290 245 21 19.0 8.9 | 276 28 27.8 -3.1 40 149 14326 240 20 17.3 10.0 | 274 26 26.1 -2.0 41 142 14630 260 20 19.7 3.5 | 287 30 28.4 -8.5 42 128 15240 245 18 16.3 7.6 | 280 25 25.1 -4.4 43 121 15545 220 14 9.0 10.7 | 274 18 17.7 -1.3 44 109 16154 235 16 13.1 9.2 | 277 22 21.8 -2.8 45 100 16680 135 18 -12.7 12.7 | 100 4 -4.0 0.7 46 95 16970 120 7 -6.1 3.5 | 343 9 2.7 -8.5 47 93 17069 135 18 -12.7 12.7 | 100 4 -4.0 0.7 48 70 18710 140 5 -3.2 3.8 | 326 10 5.5 -8.2 49 50 20690 115 26 -23.6 11.0 | 86 15 -14.8 -1.0 50 30 23840 85 25 -24.9 -2.2 | 49 22 -16.2 -14.2 Wind Parameters Mean winds (0-6000m): 114.0 at 19.8 knts Storm direction: 144.0 at 14.9 knts Shear (0-3000m) pos: 2.4 neg: 1.3 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 42.3 deg Storm rel helicity (0-3000m) pos: 57.3 neg: -22.0 tot: 35.4 m^2/s^2 ave: 11.8 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 17.76 Bulk Shear: 2.10 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 ------------------------------------------------------------------------------- 500 123 17 65 6| 2.5 0.0 2.5| 2.1 -2.3 -0.2 -0.4 -0.07| 9.8 -0.7 1000 112 17 51 9| 1.2 2.6 3.9| 8.6 -14.6 -6.0 -6.0 -0.14| 11.0 -1.5 1500 108 17 49 10| 0.8 2.7 3.5| 12.9 -22.0 -9.1 -6.1 -0.12| 10.2 -1.3 2000 106 18 49 11| 1.5 2.0 3.5| 28.6 -22.0 6.7 3.3 0.02| 9.4 0.2 2500 108 18 53 11| 2.0 1.6 3.6| 43.5 -22.0 21.5 8.6 0.13| 9.1 1.2 3000 111 19 61 11| 2.4 1.3 3.8| 57.3 -22.0 35.4 11.8 0.21| 8.5 1.8 4000 113 20 68 11| 1.8 1.9 3.7| 63.2 -61.1 2.1 0.5 0.03| 8.5 0.2 5000 114 20 69 11| 1.6 1.6 3.2| 67.2 -66.2 1.0 0.2 0.02| 7.2 0.1 6000 114 20 67 10| 1.5 1.4 2.9| 67.2 -79.2 -12.0 -2.0 -0.07| 6.7 -0.5 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20260107.11.gif