UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120211.upa.cvt Date: 1100Z 2 DEC 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 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 1015 5 20.8 12.8 60 8.0 15.8 115 6 292.7 294.3 288.4 318.9 9.18 1 1004 99 21.6 11.6 53 10.0 15.4 126 9 294.4 295.9 288.5 319.1 8.57 2 1000 133 21.6 11.6 53 10.0 15.4 130 10 294.8 296.3 288.6 319.5 8.60 3 925 802 15.4 9.4 67 6.0 11.9 95 14 295.1 296.5 288.2 318.2 8.02 4 908 959 13.8 9.2 74 4.6 11.1 89 10 295.0 296.4 288.2 318.3 8.06 5 859 1426 12.6 0.6 44 12.0 6.5 293 9 298.4 299.3 286.1 312.3 4.65 6 850 1514 11.8 0.8 47 11.0 6.2 240 12 298.5 299.4 286.3 312.7 4.77 7 746 2587 2.2 -4.8 60 7.0 -0.9 207 20 299.4 300.1 285.4 310.3 3.59 8 738 2674 3.2 -17.8 20 21.0 -3.7 209 22 301.4 301.7 283.6 305.5 1.28 9 733 2729 6.4 -39.6 2 46.0 -3.7 210 24 305.5 305.6 283.8 306.1 0.17 10 723 2842 6.8 -24.2 9 31.0 -2.7 212 28 307.2 307.3 285.2 309.7 0.75 11 719 2888 6.8 -22.2 10 29.0 -2.5 212 29 307.6 307.8 285.5 310.6 0.90 12 700 3107 5.2 -21.8 12 27.0 -3.4 215 33 308.2 308.4 285.8 311.4 0.95 13 633 3919 -0.3 -23.3 16 23.0 -7.1 235 31 311.0 311.1 286.8 314.1 0.92 14 604 4295 1.8 -36.2 4 38.0 -7.2 250 33 317.6 317.7 288.3 318.6 0.29 15 544 5130 -3.1 -44.1 3 41.0 -10.9 257 43 321.4 321.4 289.3 321.9 0.14 16 500 5790 -8.9 -44.9 4 36.0 -14.9 270 47 322.2 322.2 289.6 322.7 0.14 17 400 7470 -22.7 -43.7 13 21.0 -25.4 265 49 325.5 325.5 290.6 326.2 0.20 18 371 8017 -27.5 -42.5 23 15.0 -29.2 265 45 326.2 326.2 290.9 327.1 0.24 19 300 9510 -39.5 -55.5 17 16.0 -40.3 275 55 329.7 329.7 291.7 330.0 0.07 20 271 10200 -44.1 -64.1 9 20.0 -44.7 275 61 332.7 332.7 292.5 332.8 0.03 21 250 10740 -45.3 -68.3 6 23.0 -45.9 275 80 338.7 338.7 294.0 338.8 0.02 22 200 12210 -50.9 -76.9 3 26.0 -51.3 275 102 352.2 352.2 297.1 352.2 0.01 23 189 12577 -51.9 -78.4 3 26.5 -52.3 280 107 356.4 356.4 298.0 356.4 0.00 24 180 12892 -52.7 -79.7 2 27.0 -53.1 280 105 360.0 360.0 298.7 360.0 0.00 25 150 14050 -59.1 -81.1 4 22.0 -59.3 280 79 368.3 368.3 300.2 368.3 0.00 26 112 15836 -69.1 -86.1 7 17.0 -69.2 260 67 381.6 381.6 302.5 381.7 0.00 27 101 16451 -70.5 -86.5 8 16.0 -70.6 260 55 390.4 390.4 303.9 390.4 0.00 28 100 16510 -70.1 -87.1 7 17.0 -70.2 265 61 392.3 392.3 304.1 392.3 0.00 29 81 17751 -73.9 -87.9 10 14.0 -73.9 255 51 408.9 408.9 306.3 408.9 0.00 30 70 18610 -70.5 -88.5 5 18.0 -70.6 260 14 433.6 433.6 309.2 433.6 0.00 31 50 20640 -64.7 -89.7 2 25.0 -65.0 155 4 491.0 491.0 314.3 491.0 0.00 32 31 23611 -57.3 -86.3 1 29.0 -58.5 582.9 582.9 319.8 583.0 0.01 TRP 81 17751 -73.9 -87.9 10 14.0 -73.9 255 51 408.9 408.9 306.3 408.9 0.00 WND 189 12577 -51.9 -78.4 3 26.5 -52.3 280 107 356.4 356.4 298.0 356.4 0.00 Sounding variables and indices 1000-500 mb thick: 5657.00 m Freezing level: 636.65 mb = 3874.73 m = 12712.20 ft Freezing level: 628.86 mb = 3972.76 m = 13033.82 ft Freezing level: 581.96 mb = 4601.90 m = 15097.92 ft Wetbulb zero: 758.71 mb = 2447.89 m = 8031.04 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 29.54 % Est. max temperature: 26.13 C = 79.03 F Sfc-Lift cond lev (LCL): 901.67 mb = 1017.75 m = 3339.04 ft T: 13.65 C 700-500 lapse rate: 5.26 C/km ThetaE index: 7.20 C Layer 746.0- 733.0 mb Conv cond level (CCL): 806.84 mb = 1942.36 m = 6372.51 ft Mean mixing ratio: 8.35 g/kg Conv temperature: 27.04 C = 80.67 F Cap Strength: 9.36 C Lifted Index: 8.13 C Risk: None Lifted Index @300 mb: 8.12 C Lifted Index @700 mb: 5.24 C Showalter Index: 11.71 C Risk: None Total Totals Index: 30.40 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 9.70 C K Index: -5.50 Risk: None Sweat Index: 80.60 Risk: None Energy Index: 2.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.74 J/kg Max Up Vert Vel: 3.39 m/s Conv Inhibition (B-): 94.69 J/kg Cap Strength: 9.36 C Lift Cond Lev (LCL): 856.75 mb = 1447.65 m = 4749.46 ft Lev Free Conv (LFC): 761.75 mb = 2414.97 m = 7923.04 ft Equ Level (EL): 741.75 mb = 2632.94 m = 8638.13 ft B at Equ Level: 3.66 J/kg Max Parcel Lev (MPL): 731.75 mb = 2743.39 m = 9000.51 ft Wind level data Storm motion: 269 at 20 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 1015 5 115 6 -5.4 2.5 | 95 25 -25.3 2.1 1 1000 133 130 10 -7.7 6.4 | 102 28 -27.5 6.0 2 980 305 125 10 -8.2 5.7 | 101 29 -28.1 5.3 3 946 610 110 14 -13.2 4.8 | 98 33 -33.0 4.4 4 925 802 95 14 -13.9 1.2 | 91 34 -33.8 0.8 5 913 914 95 11 -11.0 1.0 | 91 31 -30.8 0.6 6 880 1219 55 2 -1.6 -1.1 | 86 22 -21.5 -1.5 7 850 1514 240 12 10.4 6.0 | 121 11 -9.5 5.6 8 849 1524 240 13 11.3 6.5 | 125 11 -8.6 6.1 9 818 1829 210 17 8.5 14.7 | 142 18 -11.4 14.3 10 788 2134 215 17 9.8 13.9 | 143 17 -10.1 13.5 11 759 2438 205 15 6.3 13.6 | 134 19 -13.5 13.2 12 705 3048 215 34 19.5 27.9 | 179 27 -0.4 27.5 13 700 3107 215 33 18.9 27.0 | 178 27 -0.9 26.6 14 653 3658 235 33 27.0 18.9 | 201 20 7.2 18.5 15 629 3962 235 31 25.4 17.8 | 198 18 5.5 17.4 16 605 4267 250 33 31.0 11.3 | 226 16 11.1 10.9 17 519 5486 260 47 46.3 8.2 | 254 28 26.4 7.8 18 500 5790 270 47 47.0 -0.0 | 271 27 27.1 -0.4 19 443 6706 275 47 46.8 -4.1 | 279 27 27.0 -4.5 20 400 7470 265 49 48.8 4.3 | 262 29 28.9 3.9 21 392 7620 265 49 48.8 4.3 | 262 29 28.9 3.9 22 375 7925 265 45 44.8 3.9 | 262 25 25.0 3.5 23 300 9510 275 55 54.8 -4.8 | 278 35 34.9 -5.2 24 264 10363 275 62 61.8 -5.4 | 278 42 41.9 -5.8 25 250 10740 275 80 79.7 -7.0 | 277 60 59.8 -7.4 26 220 11582 275 95 94.6 -8.3 | 277 75 74.8 -8.7 27 200 12210 275 102 101.6 -8.9 | 276 82 81.7 -9.3 28 189 12577 280 107 105.4 -18.6 | 283 88 85.5 -19.0 29 182 12802 280 107 105.4 -18.6 | 283 88 85.5 -19.0 30 150 14050 280 79 77.8 -13.7 | 284 60 57.9 -14.1 31 136 14630 280 81 79.8 -14.1 | 284 62 59.9 -14.5 32 106 16154 255 63 60.9 16.3 | 249 44 41.0 15.9 33 101 16459 260 55 54.2 9.6 | 255 36 34.3 9.2 34 100 16510 265 61 60.8 5.3 | 263 41 40.9 4.9 35 96 16764 265 61 60.8 5.3 | 263 41 40.9 4.9 36 81 17751 255 51 49.3 13.2 | 246 32 29.4 12.8 37 70 18610 260 14 13.8 2.4 | 109 6 -6.1 2.0 38 50 20640 155 4 -1.7 3.6 | 99 22 -21.6 3.2 Wind Parameters Mean winds (0-6000m): 238.9 at 26.5 knts Storm direction: 268.9 at 19.9 knts Shear (0-3000m) pos: 5.4 neg: 0.7 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 82.0 deg Storm rel helicity (0-3000m) pos: 164.7 neg: -117.0 tot: 47.7 m^2/s^2 ave: 15.9 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 13.7 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 136.44 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 10 100 29| 6.8 0.0 6.8| 22.7 -10.9 11.8 23.6 0.22| 8.4 1.9 1000 111 11 97 31| 3.4 3.7 7.1| 22.7 -67.4 -44.8 -44.8 -0.24| 10.2 -2.5 1500 114 10 97 29| 5.3 2.4 7.8| 52.3-105.5 -53.2 -35.5 -0.03| 16.5 -0.5 2000 154 11 111 27| 4.0 0.9 4.9| 71.1-105.5 -34.3 -17.2 0.07| 15.1 1.1 2500 177 12 120 24| 3.2 0.8 4.0| 80.6-117.0 -36.4 -14.6 0.06| 13.2 0.8 3000 192 14 129 22| 5.4 0.7 6.1|164.7-117.0 47.7 15.9 0.22| 13.7 3.1 4000 211 19 148 19| 4.3 0.5 4.8|228.7-120.8 107.9 27.0 0.29| 12.2 3.6 5000 226 22 166 16| 4.7 0.4 5.1|291.1-120.8 170.2 34.0 0.37| 11.4 4.2 6000 239 26 192 14| 4.5 0.4 4.9|382.3-120.8 261.5 43.6 0.43| 10.8 4.6 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251202.11.gif