UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042311.upa.cvt Date: 1100Z 23 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 23 APR 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 1016 5 20.0 17.6 86 2.4 18.4 170 16 291.8 294.1 291.0 327.3 12.56 1 1011 47 20.4 16.7 79 3.7 17.9 170 16 292.6 294.8 290.7 326.5 11.91 2 1000 141 19.8 16.3 80 3.5 17.5 170 17 293.0 295.0 290.6 326.3 11.73 3 982 298 20.0 16.2 79 3.8 17.5 156 23 294.7 296.8 291.3 328.7 11.87 4 925 811 15.6 14.7 94 0.9 15.0 130 24 295.3 297.3 291.2 328.1 11.44 5 917 885 15.0 14.6 97 0.4 14.7 126 24 295.4 297.4 291.2 328.3 11.47 6 850 1523 10.4 8.8 90 1.6 9.5 130 20 297.0 298.6 289.2 321.5 8.39 7 836 1661 9.6 8.4 92 1.2 8.9 130 20 297.6 299.1 289.3 321.9 8.30 8 802 2005 8.0 6.5 90 1.5 7.2 130 22 299.5 300.8 289.3 321.8 7.59 9 786 2172 8.2 -9.8 27 18.0 0.8 129 22 301.4 301.8 284.8 308.6 2.31 10 773 2309 7.2 2.2 70 5.0 4.5 124 22 301.8 302.8 288.5 319.2 5.81 11 740 2668 5.8 -5.2 45 11.0 0.8 113 21 304.0 304.7 287.1 314.9 3.51 12 730 2779 5.4 -6.6 42 12.0 0.1 111 21 304.8 305.4 287.0 314.7 3.19 13 727 2813 5.4 -4.6 48 10.0 0.8 112 21 305.1 305.8 287.6 316.7 3.74 14 722 2869 5.6 -11.4 28 17.0 -1.2 114 21 306.0 306.4 286.4 313.0 2.21 15 700 3122 4.0 -7.0 44 11.0 -0.9 115 27 306.9 307.5 287.8 317.0 3.23 16 688 3262 3.4 -3.6 60 7.0 0.1 112 28 307.8 308.6 289.0 321.0 4.26 17 640 3845 0.2 -8.8 51 9.0 -3.6 120 19 310.6 311.1 288.8 320.3 3.07 18 608 4256 0.0 -16.0 29 16.0 -5.8 129 12 314.9 315.3 289.0 320.9 1.80 19 564 4853 -4.5 -16.5 39 12.0 -8.7 155 5 316.5 316.8 289.6 322.7 1.87 20 500 5790 -10.9 -30.9 18 20.0 -15.4 265 3 319.7 319.9 289.3 321.8 0.58 21 457 6477 -15.9 -44.9 6 29.0 -20.0 269 14 321.8 321.9 289.5 322.4 0.15 22 423 7057 -19.7 -49.7 5 30.0 -23.1 266 20 324.2 324.2 290.1 324.5 0.10 23 400 7470 -23.3 -50.3 7 27.0 -26.1 280 24 324.7 324.7 290.3 325.1 0.10 24 354 8348 -30.5 -56.5 6 26.0 -32.3 289 28 326.6 326.6 290.8 326.8 0.05 25 352 8388 -30.1 -58.1 5 28.0 -32.0 290 29 327.6 327.6 291.1 327.8 0.04 26 300 9510 -35.7 -61.7 5 26.0 -37.0 280 52 335.1 335.1 293.1 335.2 0.03 27 295 9627 -36.5 -61.5 6 25.0 -37.7 283 56 335.5 335.5 293.2 335.7 0.03 28 265 10368 -38.2 -68.1 3 29.8 -39.4 300 78 343.4 343.4 295.1 343.5 0.02 29 264 10394 -38.3 -68.3 3 30.0 -39.5 300 78 343.7 343.7 295.2 343.8 0.01 30 257 10579 -37.5 -69.5 2 32.0 -38.8 300 78 347.6 347.6 296.1 347.6 0.01 31 250 10770 -37.9 -70.9 2 33.0 -39.2 295 77 349.7 349.7 296.6 349.8 0.01 32 200 12270 -48.3 -75.3 3 27.0 -48.9 290 62 356.3 356.3 298.0 356.3 0.01 33 158 13793 -58.1 -81.1 4 23.0 -58.3 280 51 364.5 364.5 299.6 364.5 0.00 34 150 14120 -59.5 -82.5 4 23.0 -59.7 300 42 367.6 367.6 300.1 367.6 0.00 35 108 16122 -69.3 -87.3 6 18.0 -69.4 296 22 385.3 385.3 303.1 385.3 0.00 36 100 16580 -69.1 -88.1 5 19.0 -69.2 280 16 394.2 394.2 304.4 394.2 0.00 37 85 17542 -73.5 -88.5 8 15.0 -73.6 310 11 404.1 404.1 305.7 404.1 0.00 38 70 18680 -72.7 -89.7 6 17.0 -72.8 135 17 428.9 428.9 308.7 428.9 0.00 39 50 20680 -65.9 -89.9 2 24.0 -66.2 345 4 488.2 488.2 314.1 488.2 0.00 40 30 23870 -52.9 -83.9 1 31.0 -54.9 95 5 600.4 600.4 320.6 600.5 0.01 TRP 85 17542 -73.5 -88.5 8 15.0 -73.6 310 11 404.1 404.1 305.7 404.1 0.00 WND 265 10368 -38.2 -68.1 3 29.8 -39.4 300 78 343.4 343.4 295.1 343.5 0.02 Sounding variables and indices 1000-500 mb thick: 5649.00 m Freezing level: 608.00 mb = 4256.22 m = 13963.81 ft Wetbulb zero: 725.04 mb = 2834.98 m = 9301.00 ft Precipitable water: 1.23 inches Sfc-500 mean rel hum: 57.36 % Est. max temperature: 24.84 C = 76.71 F Sfc-Lift cond lev (LCL): 980.82 mb = 308.32 m = 1011.55 ft T: 19.91 C 700-500 lapse rate: 5.58 C/km ThetaE index: 13.26 C Layer 802.0- 773.0 mb Conv cond level (CCL): 915.56 mb = 897.96 m = 2946.03 ft Mean mixing ratio: 11.71 g/kg Conv temperature: 23.61 C = 74.50 F Cap Strength: 2.70 C Lifted Index: 1.33 C Risk: Showers probable Lifted Index @300 mb: 5.88 C Lifted Index @700 mb: 0.41 C Showalter Index: 4.67 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 19.70 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 148.60 Risk: None Energy Index: 0.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 55.57 J/kg Max Up Vert Vel: 10.54 m/s Conv Inhibition (B-): 10.92 J/kg Cap Strength: 2.62 C Lift Cond Lev (LCL): 928.93 mb = 774.64 m = 2541.43 ft Lev Free Conv (LFC): 893.93 mb = 1099.10 m = 3605.93 ft Equ Level (EL): 723.93 mb = 2847.51 m = 9342.11 ft B at Equ Level: 54.02 J/kg Max Parcel Lev (MPL): 593.93 mb = 4442.17 m = 14573.86 ft Wind level data Storm motion: 157 at 12 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 1016 5 170 16 -2.8 15.8 | 205 5 2.0 4.4 1 1000 141 170 17 -3.0 16.7 | 199 6 1.8 5.3 2 981 305 155 23 -9.7 20.8 | 152 11 -5.0 9.5 3 925 811 130 24 -18.4 15.4 | 107 14 -13.6 4.0 4 914 914 125 24 -19.7 13.8 | 99 15 -14.9 2.4 5 850 1523 130 20 -15.3 12.9 | 98 11 -10.6 1.5 6 789 2134 130 22 -16.9 14.1 | 103 12 -12.1 2.7 7 733 2743 110 21 -19.7 7.2 | 74 16 -15.0 -4.2 8 706 3048 120 21 -18.2 10.5 | 86 13 -13.4 -0.9 9 700 3122 115 27 -24.5 11.4 | 90 20 -19.7 0.0 10 680 3353 110 28 -26.3 9.6 | 85 22 -21.5 -1.8 11 606 4267 130 11 -8.4 7.1 | 40 6 -3.7 -4.3 12 583 4572 125 5 -4.1 2.9 | 355 9 0.7 -8.5 13 500 5790 265 3 3.0 0.3 | 325 14 7.8 -11.1 14 500 5791 245 2 1.8 0.8 | 328 12 6.6 -10.5 15 461 6401 270 13 13.0 -0.0 | 303 21 17.8 -11.4 16 425 7010 265 20 19.9 1.7 | 291 27 24.7 -9.6 17 400 7470 280 24 23.6 -4.2 | 299 32 28.4 -15.6 18 359 8230 285 26 25.1 -6.7 | 301 35 29.9 -18.1 19 344 8534 295 32 29.0 -13.5 | 306 42 33.8 -24.9 20 303 9449 275 52 51.8 -4.5 | 286 59 56.6 -15.9 21 300 9510 280 52 51.2 -9.0 | 290 60 56.0 -20.4 22 265 10368 300 78 67.5 -39.0 | 305 88 72.3 -50.4 23 254 10668 300 78 67.5 -39.0 | 305 88 72.3 -50.4 24 250 10770 295 77 69.8 -32.5 | 301 87 74.6 -43.9 25 222 11582 280 70 68.9 -12.2 | 288 77 73.7 -23.5 26 200 12270 290 62 58.3 -21.2 | 297 71 63.0 -32.6 27 193 12497 295 61 55.3 -25.8 | 302 71 60.1 -37.2 28 184 12802 300 69 59.8 -34.5 | 305 79 64.5 -45.9 29 176 13106 295 69 62.5 -29.2 | 301 79 67.3 -40.6 30 152 14021 275 45 44.8 -3.9 | 287 52 49.6 -15.3 31 150 14120 300 42 36.4 -21.0 | 308 52 41.1 -32.4 32 145 14326 300 45 39.0 -22.5 | 308 55 43.7 -33.9 33 131 14935 295 56 50.8 -23.7 | 302 66 55.5 -35.1 34 119 15545 280 36 35.5 -6.3 | 294 44 40.2 -17.6 35 113 15850 305 23 18.8 -13.2 | 316 34 23.6 -24.6 36 107 16154 295 22 19.9 -9.3 | 310 32 24.7 -20.7 37 102 16459 275 19 18.9 -1.7 | 299 27 23.7 -13.0 38 100 16580 280 16 15.8 -2.8 | 305 25 20.5 -14.2 39 97 16764 280 16 15.8 -2.8 | 305 25 20.5 -14.2 40 85 17542 310 11 8.4 -7.1 | 324 23 13.2 -18.5 41 70 18680 135 17 -12.0 12.0 | 95 7 -7.3 0.6 42 50 20680 345 4 1.0 -3.9 | 339 16 5.8 -15.3 43 30 23870 95 5 -5.0 0.4 | 1 11 -0.2 -11.0 Wind Parameters Mean winds (0-6000m): 127.3 at 16.5 knts Storm direction: 157.3 at 12.4 knts Shear (0-3000m) pos: 0.5 neg: 3.4 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): -120.1 deg Storm rel helicity (0-3000m) pos: 11.1 neg: -75.0 tot: -63.9 m^2/s^2 ave: -21.3 10^-3 m/s^2 rel: -0.59 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.84 Bulk Shear: 14.49 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 ------------------------------------------------------------------------------- 500 158 20 160 8| 0.0 11.5 11.5| 0.0 -24.4 -24.4 -48.7 -0.82| 13.4-11.0 1000 145 22 129 10| 0.0 8.4 8.4| 0.0 -50.9 -50.9 -50.9 -0.84| 11.2 -9.4 1500 139 22 118 11| 1.2 5.6 6.9| 0.0 -51.7 -51.7 -34.4 -0.73| 8.7 -6.3 2000 137 22 113 11| 0.6 4.2 4.8| 2.3 -51.7 -49.3 -24.7 -0.66| 6.9 -4.6 2500 134 22 109 11| 0.5 4.0 4.5| 2.8 -66.5 -63.7 -25.5 -0.68| 6.6 -4.5 3000 131 22 103 12| 0.5 3.4 3.9| 11.1 -75.0 -63.9 -21.3 -0.59| 6.4 -3.7 4000 126 22 97 13| 1.7 3.1 4.8| 17.5 -90.4 -73.0 -18.2 -0.42| 7.5 -3.1 5000 127 19 90 11| 2.7 2.5 5.2| 17.5-114.7 -97.2 -19.4 -0.51| 7.5 -3.8 6000 127 16 80 8| 2.8 2.1 4.9| 22.3-128.8-106.6 -17.8 -0.48| 7.1 -3.4 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250423.11.gif