UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120223.upa.cvt Date: 2300Z 2 DEC 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 2 DEC 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 1019 5 25.0 16.0 57 9.0 19.0 110 8 296.5 298.6 291.5 329.2 11.29 1 1016 31 22.4 14.4 61 8.0 17.2 112 10 294.2 296.0 289.8 323.4 10.20 2 1000 168 21.0 14.0 64 7.0 16.5 120 18 294.1 296.0 289.7 323.1 10.09 3 925 837 15.2 11.1 76 4.1 12.7 140 6 294.9 296.5 289.0 320.8 9.00 4 900 1069 13.2 9.7 79 3.5 11.1 135 5 295.1 296.6 288.5 319.4 8.42 5 877 1286 11.4 7.0 74 4.4 8.9 142 4 295.4 296.7 287.5 316.3 7.18 6 850 1547 9.8 0.8 53 9.0 5.3 150 2 296.4 297.3 285.5 310.5 4.77 7 800 2047 6.4 -3.6 49 10.0 1.8 188 2 298.0 298.6 284.9 309.0 3.66 8 774 2317 5.6 -12.4 26 18.0 -1.2 292 1 299.9 300.3 283.7 305.9 1.90 9 758 2488 6.2 -24.8 9 31.0 -2.8 339 2 302.4 302.5 283.2 304.6 0.67 10 700 3136 2.8 -16.2 23 19.0 -3.8 220 13 305.6 305.9 285.5 310.5 1.54 11 659 3620 -0.3 -19.3 22 19.0 -6.4 238 21 307.4 307.6 285.9 311.5 1.26 12 638 3880 3.0 -43.0 2 46.0 -6.5 233 21 314.0 314.1 286.9 314.5 0.13 13 633 3944 3.0 -41.0 2 44.0 -6.5 231 20 314.7 314.8 287.2 315.4 0.17 14 594 4454 -0.9 -35.9 5 35.0 -8.8 226 17 316.0 316.0 287.8 317.1 0.30 15 500 5810 -7.3 -48.3 2 41.0 -14.0 250 19 324.1 324.2 290.1 324.5 0.10 16 499 5826 -7.3 -47.3 2 40.0 -14.0 250 19 324.3 324.3 290.2 324.7 0.11 17 471 6274 -11.3 -43.3 5 32.0 -16.7 246 24 324.8 324.8 290.4 325.4 0.18 18 400 7510 -20.3 -50.3 5 30.0 -23.8 250 28 328.6 328.6 291.4 329.0 0.10 19 387 7753 -22.1 -51.1 5 29.0 -25.2 249 28 329.4 329.4 291.6 329.7 0.09 20 300 9560 -37.9 -57.9 11 20.0 -38.9 260 36 332.0 332.0 292.3 332.2 0.05 21 279 10055 -42.3 -60.3 12 18.0 -43.0 260 36 332.6 332.6 292.4 332.7 0.04 22 251 10763 -46.5 -65.5 10 19.0 -47.0 260 53 336.5 336.6 293.5 336.6 0.02 23 250 10790 -46.1 -67.1 8 21.0 -46.7 260 54 337.5 337.5 293.7 337.6 0.02 24 244 10952 -43.9 -71.9 3 28.0 -44.6 263 58 343.2 343.2 295.1 343.2 0.01 25 219 11671 -46.3 -75.4 2 29.2 -46.9 275 75 350.3 350.3 296.7 350.3 0.01 26 203 12172 -47.9 -77.9 2 30.0 -48.5 271 69 355.4 355.4 297.8 355.4 0.00 27 200 12270 -48.9 -77.9 2 29.0 -49.4 270 67 355.3 355.3 297.8 355.4 0.00 28 193 12503 -51.1 -78.1 3 27.0 -51.5 270 66 355.5 355.5 297.8 355.5 0.00 29 150 14110 -60.1 -83.1 3 23.0 -60.3 270 56 366.5 366.5 299.9 366.5 0.00 30 144 14364 -60.9 -83.9 3 23.0 -61.1 267 54 369.5 369.5 300.5 369.5 0.00 31 110 15991 -71.7 -87.7 7 16.0 -71.8 251 38 378.7 378.7 302.1 378.7 0.00 32 100 16550 -73.3 -88.3 8 15.0 -73.3 245 33 386.1 386.1 303.2 386.1 0.00 33 81 17771 -77.5 -88.5 15 11.0 -77.5 240 23 401.5 401.5 305.4 401.5 0.00 34 70 18620 -71.5 -88.5 6 17.0 -71.6 90 5 431.4 431.4 309.0 431.4 0.00 35 61 19436 -68.7 -89.7 3 21.0 -68.8 92 9 455.0 455.0 311.3 455.0 0.00 36 56 19943 -71.5 -90.5 4 19.0 -71.6 93 12 459.9 459.9 311.8 459.9 0.00 37 50 20620 -65.7 -89.7 2 24.0 -66.0 95 15 488.7 488.7 314.1 488.7 0.00 38 49 20743 -65.5 -89.5 2 24.0 -65.8 95 15 492.0 492.0 314.4 492.0 0.00 39 46 21126 -66.7 -89.7 3 23.0 -67.0 93 15 498.0 498.0 314.8 498.1 0.00 40 35 22805 -59.7 -87.7 1 28.0 -60.5 88 15 556.8 556.8 318.5 556.8 0.01 41 30 23770 -59.1 -87.1 1 28.0 -60.1 85 15 583.5 583.5 319.8 583.6 0.01 42 22 25739 -53.7 -84.7 1 31.0 -56.0 653.7 653.7 322.8 653.8 0.01 TRP 81 17771 -77.5 -88.5 15 11.0 -77.5 240 23 401.5 401.5 305.4 401.5 0.00 WND 219 11671 -46.3 -75.4 2 29.2 -46.9 275 75 350.3 350.3 296.7 350.3 0.01 Sounding variables and indices 1000-500 mb thick: 5642.00 m Freezing level: 662.97 mb = 3573.52 m = 11724.00 ft Freezing level: 657.09 mb = 3644.03 m = 11955.35 ft Freezing level: 603.00 mb = 4336.32 m = 14226.60 ft Wetbulb zero: 784.02 mb = 2211.94 m = 7256.93 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 30.00 % Est. max temperature: 24.17 C = 75.50 F Sfc-Lift cond lev (LCL): 893.12 mb = 1133.09 m = 3717.45 ft T: 12.67 C 700-500 lapse rate: 3.78 C/km ThetaE index: 24.54 C Layer 1016.0- 700.0 mb Conv cond level (CCL): 874.68 mb = 1308.12 m = 4291.67 ft Mean mixing ratio: 9.63 g/kg Conv temperature: 23.97 C = 75.14 F Cap Strength: 6.32 C Lifted Index: 7.91 C Risk: None Lifted Index @300 mb: 7.49 C Lifted Index @700 mb: 1.49 C Showalter Index: 14.71 C Risk: None Total Totals Index: 25.20 C Risk: None Vertical Totals Index: 17.10 C Cross Totals Index: 8.10 C K Index: -1.10 Risk: None Sweat Index: 32.60 Risk: None Energy Index: 3.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.66 J/kg Max Up Vert Vel: 4.83 m/s Conv Inhibition (B-): 11.37 J/kg Cap Strength: 7.62 C Lift Cond Lev (LCL): 887.92 mb = 1182.07 m = 3878.13 ft Lev Free Conv (LFC): 842.92 mb = 1615.94 m = 5301.58 ft Equ Level (EL): 772.92 mb = 2328.64 m = 7639.79 ft B at Equ Level: 11.40 J/kg Max Parcel Lev (MPL): 742.92 mb = 2651.64 m = 8699.50 ft Wind level data Storm motion: 253 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 1019 5 110 8 -7.5 2.7 | 90 17 -16.7 -0.1 1 1000 168 120 18 -15.6 9.0 | 104 26 -24.8 6.2 2 984 305 120 19 -16.5 9.5 | 105 27 -25.7 6.7 3 950 610 170 13 -2.3 12.8 | 131 15 -11.5 10.0 4 925 837 140 6 -3.9 4.6 | 98 13 -13.1 1.8 5 917 914 130 6 -4.6 3.9 | 94 14 -13.8 1.0 6 850 1547 150 2 -1.0 1.7 | 84 10 -10.2 -1.1 7 791 2134 195 2 0.5 1.9 | 84 9 -8.7 -0.9 8 762 2438 0 0 -0.0 -0.0 | 73 10 -9.2 -2.8 9 734 2743 220 16 10.3 12.3 | 187 9 1.1 9.4 10 700 3136 220 13 8.4 10.0 | 173 7 -0.9 7.1 11 681 3353 225 13 9.2 9.2 | 180 6 -0.0 6.4 12 656 3658 240 22 19.1 11.0 | 230 13 9.8 8.2 13 607 4267 220 18 11.6 13.8 | 192 11 2.4 11.0 14 584 4572 230 17 13.0 10.9 | 205 9 3.8 8.1 15 521 5486 260 19 18.7 3.3 | 267 10 9.5 0.5 16 500 5810 250 19 17.9 6.5 | 247 9 8.6 3.7 17 463 6401 245 25 22.7 10.6 | 240 16 13.4 7.7 18 445 6706 255 24 23.2 6.2 | 256 14 14.0 3.4 19 400 7510 250 28 26.3 9.6 | 248 18 17.1 6.7 20 346 8534 245 29 26.3 12.3 | 241 20 17.1 9.4 21 300 9560 260 36 35.5 6.3 | 263 26 26.2 3.4 22 279 10058 260 36 35.5 6.3 | 263 26 26.2 3.4 23 250 10790 260 54 53.2 9.4 | 262 44 44.0 6.5 24 219 11671 275 75 74.7 -6.5 | 278 66 65.5 -9.4 25 212 11887 275 75 74.7 -6.5 | 278 66 65.5 -9.4 26 200 12270 270 67 67.0 -0.0 | 273 58 57.8 -2.8 27 150 14110 270 56 56.0 -0.0 | 273 47 46.8 -2.8 28 100 16550 245 33 29.9 13.9 | 242 23 20.7 11.1 29 96 16764 245 33 29.9 13.9 | 242 23 20.7 11.1 30 81 17771 240 23 19.9 11.5 | 231 14 10.7 8.7 31 70 18620 90 5 -5.0 0.0 | 79 14 -14.2 -2.8 32 50 20620 95 15 -14.9 1.3 | 86 24 -24.2 -1.5 33 30 23770 85 15 -14.9 -1.3 | 80 25 -24.2 -4.1 Wind Parameters Mean winds (0-6000m): 222.9 at 12.8 knts Storm direction: 252.9 at 9.6 knts Shear (0-3000m) pos: 1.3 neg: 1.9 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 88.8 deg Storm rel helicity (0-3000m) pos: 87.9 neg: -72.1 tot: 15.7 m^2/s^2 ave: 5.2 10^-3 m/s^2 rel: -0.33 Storm rel vorticity (0-3000m) horiz: 12.9 stream: -4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 63.64 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 ------------------------------------------------------------------------------- 500 125 16 106 23| 11.0 0.0 11.0| 76.7 0.0 76.7 153.4 0.60| 22.4 13.4 1000 135 13 109 19| 5.5 5.2 10.7| 86.8 -34.8 52.0 52.0 0.17| 18.6 3.1 1500 135 10 104 17| 3.3 3.5 6.7| 86.8 -40.1 46.7 31.1 0.11| 13.5 1.5 2000 137 8 101 15| 2.6 2.6 5.2| 87.1 -40.6 46.5 23.3 0.10| 10.5 1.1 2500 139 6 98 14| 1.5 2.1 3.6| 87.9 -53.8 34.1 13.6 -0.02| 9.8 -0.2 3000 161 7 110 12| 1.3 1.9 3.2| 87.9 -72.1 15.7 5.2 -0.33| 12.9 -4.2 4000 197 10 137 9| 1.5 1.6 3.2|105.6 -85.8 19.8 5.0 -0.23| 11.7 -2.7 5000 210 12 155 8| 1.5 1.1 2.6|121.0 -94.8 26.2 5.2 -0.18| 10.4 -1.8 6000 223 13 176 7| 1.5 1.2 2.7|132.5-103.8 28.7 4.8 -0.15| 9.6 -1.4 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251202.23.gif