UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041511.upa.cvt Date: 1100Z 15 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 15 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 1018 5 21.2 16.8 76 4.4 18.3 190 9 292.9 295.0 290.7 326.7 11.90 1 1000 157 20.0 15.8 77 4.2 17.2 160 6 293.1 295.2 290.4 325.5 11.36 2 925 824 14.4 13.4 94 1.0 13.8 155 26 294.0 295.9 290.0 324.1 10.50 3 906 999 12.8 12.7 99 0.1 12.7 155 31 294.1 296.0 289.8 323.5 10.24 4 850 1535 10.4 10.4 100 0.0 10.4 145 34 297.0 298.7 290.0 324.2 9.36 5 809 1946 8.4 8.4 100 0.0 8.4 139 31 299.1 300.7 290.0 324.3 8.58 6 710 3018 3.2 3.2 100 0.0 3.2 141 29 304.8 306.1 290.4 325.3 6.80 7 704 3088 4.2 2.5 89 1.7 3.3 140 28 306.6 307.9 290.7 326.5 6.52 8 700 3134 4.0 2.3 89 1.7 3.1 140 28 306.9 308.1 290.7 326.6 6.47 9 673 3453 2.8 -2.2 70 5.0 0.3 137 26 309.0 310.0 290.0 324.1 4.84 10 668 3514 3.6 -15.4 23 19.0 -3.4 136 25 310.6 310.9 287.5 316.2 1.73 11 651 3722 1.8 -6.2 55 8.0 -1.9 143 23 310.9 311.6 289.5 322.5 3.69 12 646 3785 1.8 -16.2 25 18.0 -4.7 152 22 311.5 311.9 287.8 317.0 1.67 13 618 4141 -0.5 -12.5 40 12.0 -5.2 180 21 312.9 313.3 288.9 320.6 2.37 14 584 4591 -2.7 -21.7 22 19.0 -8.6 176 24 315.4 315.6 288.5 319.3 1.15 15 570 4784 -2.5 -44.5 2 42.0 -10.3 174 25 317.9 317.9 288.2 318.3 0.13 16 500 5810 -9.9 -49.9 2 40.0 -15.7 185 28 321.0 321.0 289.1 321.3 0.08 17 447 6664 -16.1 -55.1 2 39.0 -20.4 190 32 323.6 323.6 289.9 323.8 0.05 18 400 7490 -22.9 -58.9 2 36.0 -25.9 195 35 325.2 325.2 290.4 325.4 0.03 19 312 9251 -37.7 -64.7 4 27.0 -38.8 208 48 328.5 328.5 291.3 328.6 0.02 20 300 9520 -38.9 -64.9 5 26.0 -39.9 200 49 330.5 330.5 291.9 330.6 0.02 21 259 10515 -46.1 -67.1 8 21.0 -46.6 225 42 334.1 334.1 292.9 334.2 0.02 22 250 10750 -47.5 -69.5 6 22.0 -48.0 225 47 335.4 335.5 293.2 335.5 0.01 23 203 12105 -54.4 -74.5 7 20.1 -54.7 225 73 345.1 345.1 295.6 345.2 0.01 24 200 12200 -54.9 -74.9 7 20.0 -55.2 225 72 345.8 345.8 295.7 345.9 0.01 25 193 12426 -56.3 -76.3 6 20.0 -56.5 226 70 347.1 347.1 296.0 347.2 0.01 26 173 13117 -56.7 -79.7 4 23.0 -56.9 230 63 357.5 357.5 298.2 357.5 0.00 27 170 13227 -56.3 -80.3 3 24.0 -56.6 228 60 360.0 360.0 298.7 360.0 0.00 28 150 14010 -61.3 -82.3 5 21.0 -61.4 215 42 364.5 364.5 299.5 364.5 0.00 29 133 14748 -65.5 -84.5 5 19.0 -65.6 240 36 369.8 369.8 300.5 369.8 0.00 30 127 15031 -62.9 -85.9 3 23.0 -63.1 251 33 379.4 379.4 302.2 379.4 0.00 31 112 15799 -65.7 -86.7 4 21.0 -65.8 269 32 388.0 388.0 303.5 388.0 0.00 32 108 16021 -63.1 -87.1 3 24.0 -63.3 273 33 397.0 397.0 304.8 397.0 0.00 33 100 16490 -67.3 -87.3 4 20.0 -67.4 285 37 397.7 397.7 304.9 397.7 0.00 34 93 16923 -70.3 -89.3 5 19.0 -70.4 305 46 400.1 400.1 305.2 400.1 0.00 35 90 17119 -66.9 -88.9 3 22.0 -67.0 296 41 410.7 410.7 306.6 410.7 0.00 36 78 17978 -68.7 -88.7 4 20.0 -68.8 259 21 424.1 424.1 308.2 424.1 0.00 37 73 18376 -65.9 -88.9 3 23.0 -66.1 241 12 438.1 438.1 309.7 438.1 0.00 38 70 18630 -66.9 -88.9 3 22.0 -67.1 230 6 441.3 441.3 310.0 441.3 0.00 39 52 20423 -67.7 -89.7 3 22.0 -67.9 133 6 478.6 478.6 313.3 478.6 0.00 40 50 20660 -66.1 -89.1 3 23.0 -66.4 120 6 487.7 487.7 314.1 487.7 0.00 41 30 23850 -56.1 -85.1 1 29.0 -57.5 40 6 591.7 591.7 320.2 591.8 0.01 42 27 24524 -53.5 -84.5 1 31.0 -55.5 617.1 617.1 321.4 617.2 0.01 43 26 24766 -53.9 -83.9 1 30.0 -55.9 622.7 622.7 321.6 622.8 0.01 TRP 93 16923 -70.3 -89.3 5 19.0 -70.4 305 46 400.1 400.1 305.2 400.1 0.00 WND 203 12105 -54.4 -74.5 7 20.1 -54.7 225 73 345.1 345.1 295.6 345.2 0.01 Sounding variables and indices 1000-500 mb thick: 5653.00 m Freezing level: 624.09 mb = 4063.13 m = 13330.33 ft Wetbulb zero: 672.58 mb = 3458.24 m = 11345.80 ft Precipitable water: 1.32 inches Sfc-500 mean rel hum: 62.19 % Est. max temperature: 24.45 C = 76.01 F Sfc-Lift cond lev (LCL): 954.18 mb = 558.30 m = 1831.67 ft T: 16.63 C 700-500 lapse rate: 5.19 C/km ThetaE index: 3.22 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 920.99 mb = 860.71 m = 2823.83 ft Mean mixing ratio: 11.01 g/kg Conv temperature: 22.41 C = 72.34 F Cap Strength: 4.57 C Lifted Index: 3.85 C Risk: None Lifted Index @300 mb: 4.67 C Lifted Index @700 mb: 1.58 C Showalter Index: 4.23 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 20.30 C K Index: 29.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 220.80 Risk: None Energy Index: -0.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.48 J/kg Max Up Vert Vel: 5.74 m/s Conv Inhibition (B-): 1.75 J/kg Cap Strength: 4.59 C Lift Cond Lev (LCL): 928.43 mb = 792.30 m = 2599.38 ft Lev Free Conv (LFC): 913.43 mb = 930.38 m = 3052.40 ft Equ Level (EL): 733.43 mb = 2751.69 m = 9027.75 ft B at Equ Level: 16.40 J/kg Max Parcel Lev (MPL): 683.43 mb = 3328.37 m = 10919.71 ft Wind level data Storm motion: 187 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 1018 5 190 9 1.6 8.9 | 5 11 -0.9 -10.9 1 1000 157 160 6 -2.1 5.6 | 18 15 -4.5 -14.1 2 983 305 170 10 -1.7 9.8 | 23 11 -4.2 -9.9 3 948 610 180 22 0.0 22.0 | 133 3 -2.5 2.3 4 925 824 155 26 -11.0 23.6 | 106 14 -13.4 3.8 5 915 914 155 31 -13.1 28.1 | 118 18 -15.6 8.4 6 851 1524 155 34 -14.4 30.8 | 123 20 -16.8 11.1 7 850 1535 145 34 -19.5 27.9 | 110 23 -22.0 8.1 8 820 1829 135 29 -20.5 20.5 | 92 23 -23.0 0.8 9 790 2134 145 35 -20.1 28.7 | 112 24 -22.5 8.9 10 700 3134 140 28 -18.0 21.4 | 95 21 -20.5 1.7 11 655 3658 135 24 -17.0 17.0 | 82 20 -19.4 -2.8 12 631 3962 180 20 0.0 20.0 | 96 2 -2.5 0.3 13 607 4267 180 21 0.0 21.0 | 117 3 -2.5 1.3 14 521 5486 165 31 -8.0 29.9 | 134 15 -10.5 10.2 15 501 5791 185 28 2.4 27.9 | 180 8 -0.0 8.2 16 500 5810 185 28 2.4 27.9 | 180 8 -0.0 8.2 17 400 7490 195 35 9.1 33.8 | 205 16 6.6 14.1 18 330 8839 215 38 21.8 31.1 | 240 22 19.3 11.4 19 303 9449 205 53 22.4 48.0 | 215 35 19.9 28.3 20 300 9520 200 49 16.8 46.0 | 209 30 14.3 26.3 21 277 10058 195 46 11.9 44.4 | 201 26 9.5 24.7 22 265 10363 225 39 27.6 27.6 | 253 26 25.1 7.8 23 250 10750 225 47 33.2 33.2 | 246 34 30.8 13.5 24 220 11582 235 62 50.8 35.6 | 252 51 48.3 15.8 25 203 12105 225 73 51.6 51.6 | 237 59 49.2 31.9 26 200 12192 225 73 51.6 51.6 | 237 59 49.2 31.9 27 200 12200 225 72 50.9 50.9 | 237 58 48.5 31.2 28 173 13106 230 63 48.3 40.5 | 246 50 45.8 20.8 29 150 14010 215 42 24.1 34.4 | 236 26 21.6 14.7 30 150 14021 210 43 21.5 37.2 | 227 26 19.0 17.5 31 123 15240 260 31 30.5 5.4 | 297 32 28.1 -14.4 32 106 16154 275 33 32.9 -2.9 | 307 38 30.4 -22.6 33 100 16490 285 37 35.7 -9.6 | 311 44 33.3 -29.3 34 96 16764 285 37 35.7 -9.6 | 311 44 33.3 -29.3 35 93 16923 305 46 37.7 -26.4 | 323 58 35.2 -46.1 36 70 18630 230 6 4.6 3.9 | 352 16 2.1 -15.9 37 50 20660 120 6 -5.2 3.0 | 25 18 -7.7 -16.7 38 30 23850 40 6 -3.9 -4.6 | 15 25 -6.3 -24.3 Wind Parameters Mean winds (0-6000m): 157.1 at 26.5 knts Storm direction: 187.1 at 19.9 knts Shear (0-3000m) pos: 0.2 neg: 4.2 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 92.5 deg Storm rel helicity (0-3000m) pos: 87.1 neg: -104.5 tot: -17.4 m^2/s^2 ave: -5.8 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 0.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 37.98 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 ------------------------------------------------------------------------------- 500 173 10 21 10| 0.0 9.6 9.6| 20.4 0.0 20.4 40.9 0.55| 15.8 8.7 1000 167 18 69 7| 0.0 12.7 12.7| 36.3 -6.0 30.3 30.3 0.36| 18.4 6.6 1500 161 23 100 10| 0.0 9.3 9.3| 43.2 -6.0 37.2 24.8 0.37| 13.1 4.9 2000 154 25 102 14| 0.0 7.1 7.1| 68.0 -73.6 -5.6 -2.8 0.12| 14.1 1.7 2500 152 27 104 16| 0.3 5.6 5.9| 87.1 -85.5 1.6 0.6 0.13| 12.4 1.6 3000 150 27 104 17| 0.2 4.2 4.4| 87.1-104.5 -17.4 -5.8 0.07| 10.9 0.8 4000 148 27 101 17| 2.4 2.8 5.2| 98.6-130.8 -32.2 -8.0 0.03| 11.1 0.4 5000 153 26 104 15| 1.9 2.9 4.9|100.9-130.8 -29.9 -6.0 0.05| 9.7 0.5 6000 157 27 110 14| 2.5 2.8 5.3|126.1-131.7 -5.7 -0.9 0.13| 9.4 1.2 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250415.11.gif