UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043011.upa.cvt Date: 1100Z 30 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 30 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 21.6 18.4 82 3.2 19.4 165 10 293.2 295.6 291.9 330.8 13.19 1 1000 157 21.2 17.0 77 4.2 18.4 160 10 294.4 296.6 291.6 329.5 12.28 2 925 827 15.4 15.2 99 0.2 15.3 135 11 295.1 297.2 291.4 329.0 11.82 3 850 1541 11.0 11.0 100 0.0 11.0 255 1 297.7 299.4 290.6 326.0 9.74 4 838 1660 10.6 10.6 100 0.0 10.6 255 8 298.5 300.2 290.7 326.5 9.62 5 834 1699 10.6 10.6 100 0.0 10.6 255 10 298.9 300.6 290.9 327.1 9.67 6 768 2378 4.4 -2.6 60 7.0 1.1 236 17 299.3 300.1 285.9 311.7 4.11 7 754 2528 4.8 -2.2 60 7.0 1.5 227 17 301.3 302.1 286.9 314.4 4.31 8 722 2882 3.8 -18.2 18 22.0 -3.5 205 16 304.0 304.2 284.6 308.1 1.26 9 700 3132 1.6 -19.4 19 21.0 -5.1 200 15 304.3 304.5 284.6 308.1 1.17 10 672 3459 -0.7 -25.7 13 25.0 -7.4 218 19 305.3 305.4 284.4 307.6 0.70 11 650 3725 0.6 246 21 309.6 12 500 5780 -11.3 -53.3 2 42.0 -16.7 270 46 319.3 319.3 288.6 319.5 0.05 13 486 5998 -12.5 -54.5 2 42.0 -17.6 268 47 320.4 320.4 288.9 320.6 0.05 14 400 7470 -19.9 -55.9 3 36.0 -23.6 270 74 329.1 329.1 291.5 329.3 0.05 15 323 9025 -28.3 -58.3 4 30.0 -30.6 285 101 338.3 338.3 293.9 338.5 0.05 16 318 9136 -28.5 -51.5 9 23.0 -30.7 286 104 339.5 339.5 294.3 339.9 0.10 17 300 9550 -31.7 -38.7 50 7.0 -32.6 290 110 340.7 340.8 294.9 342.4 0.45 18 294 9693 -33.1 -37.6 64 4.5 -33.7 289 111 340.7 340.8 295.0 342.7 0.51 19 275 10160 -36.7 -42.7 54 6.0 -37.3 285 113 342.1 342.1 295.1 343.3 0.32 20 272 10236 -35.5 -76.5 1 41.0 -37.1 285 114 344.9 344.9 295.5 344.9 0.00 21 257 10630 -37.9 -63.9 5 26.0 -39.2 282 116 347.0 347.0 296.0 347.1 0.03 22 250 10820 -39.1 -55.1 17 16.0 -40.1 280 117 347.9 348.0 296.3 348.3 0.09 23 242 11042 -40.8 -56.7 17 15.9 -41.7 280 118 348.6 348.6 296.4 348.9 0.07 24 200 12310 -51.1 -66.1 15 15.0 -51.5 280 115 351.8 351.9 297.1 352.0 0.03 25 174 13196 -59.5 -68.5 30 9.0 -59.6 282 104 352.3 352.3 297.1 352.4 0.02 26 150 14110 -65.5 -78.5 15 13.0 -65.6 285 92 357.2 357.2 298.1 357.3 0.01 27 136 14703 -68.1 -84.1 8 16.0 -68.2 285 95 362.8 362.8 299.2 362.8 0.00 28 100 16530 -73.3 -89.3 7 16.0 -73.3 280 44 386.1 386.1 303.2 386.1 0.00 29 89 17205 -76.5 -90.5 9 14.0 -76.5 300 41 392.8 392.8 304.2 392.8 0.00 30 83 17613 -69.9 -88.9 5 19.0 -70.0 303 34 414.2 414.2 307.0 414.2 0.00 31 76 18139 -68.1 -89.1 3 21.0 -68.2 307 25 428.5 428.5 308.7 428.5 0.00 32 70 18630 -69.5 -89.5 4 20.0 -69.6 310 16 435.7 435.7 309.4 435.7 0.00 33 68 18802 -70.5 -89.5 4 19.0 -70.6 297 15 437.2 437.2 309.6 437.2 0.00 34 66 18980 -67.5 -89.5 3 22.0 -67.7 283 14 447.4 447.4 310.6 447.5 0.00 35 58 19765 -63.9 -88.9 2 25.0 -64.2 223 8 472.4 472.4 312.8 472.4 0.00 36 53 20314 -65.9 -89.9 2 24.0 -66.1 182 4 480.1 480.1 313.5 480.1 0.00 37 50 20670 -62.5 -89.5 1 27.0 -62.9 155 2 496.2 496.2 314.7 496.2 0.00 38 46 21188 -60.3 -88.3 1 28.0 -60.9 142 2 513.5 513.5 315.9 513.5 0.00 39 36 22724 -59.1 -87.1 1 28.0 -60.0 104 3 553.9 553.9 318.3 553.9 0.01 40 30 23880 -54.9 -85.9 1 31.0 -56.5 75 4 595.0 595.0 320.4 595.0 0.01 41 26 24802 -51.9 -84.9 1 33.0 -54.3 59 5 628.3 628.4 321.8 628.4 0.01 42 20 26510 -50.3 -84.3 1 34.0 -53.7 30 8 682.2 682.2 323.9 682.3 0.02 43 16 27975 -47.7 -82.7 1 35.0 -52.5 735.7 735.7 325.6 735.9 0.03 TRP 89 17205 -76.5 -90.5 9 14.0 -76.5 300 41 392.8 392.8 304.2 392.8 0.00 WND 242 11042 -40.8 -56.7 17 15.9 -41.7 280 118 348.6 348.6 296.4 348.9 0.07 Sounding variables and indices 1000-500 mb thick: 5623.00 m Freezing level: 680.52 mb = 3359.25 m = 11021.02 ft Freezing level: 660.15 mb = 3601.84 m = 11816.91 ft Freezing level: 642.44 mb = 3828.19 m = 12559.54 ft Wetbulb zero: 744.52 mb = 2631.47 m = 8633.31 ft Precipitable water: 1.13 inches Sfc-500 mean rel hum: 70.39 % Est. max temperature: 25.40 C = 77.71 F Sfc-Lift cond lev (LCL): 971.36 mb = 406.69 m = 1334.26 ft T: 19.04 C 700-500 lapse rate: 4.87 C/km ThetaE index: 15.45 C Layer 768.0- 754.0 mb Conv cond level (CCL): 928.52 mb = 794.40 m = 2606.27 ft Mean mixing ratio: 12.14 g/kg Conv temperature: 23.38 C = 74.09 F Cap Strength: 0.38 C Lifted Index: 0.22 C Risk: Showers probable Lifted Index @300 mb: 9.00 C Lifted Index @700 mb: -2.52 C Showalter Index: 1.92 C Risk: Showers probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.30 C Cross Totals Index: 22.30 C K Index: 12.30 Risk: None Sweat Index: 180.00 Risk: None Energy Index: -1.27 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 194.70 J/kg Max Up Vert Vel: 19.73 m/s Conv Inhibition (B-): 2.05 J/kg Cap Strength: 0.38 C Lift Cond Lev (LCL): 934.81 mb = 736.35 m = 2415.83 ft Lev Free Conv (LFC): 919.81 mb = 874.53 m = 2869.15 ft Equ Level (EL): 519.81 mb = 5475.62 m = 17964.41 ft B at Equ Level: 194.43 J/kg Max Parcel Lev (MPL): 369.81 mb = 8040.69 m = 26379.90 ft Wind level data Storm motion: 278 at 16 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 5 165 10 -2.6 9.7 | 122 22 -18.7 11.9 1 1000 157 160 10 -3.4 9.4 | 121 23 -19.6 11.6 2 983 305 115 11 -10.0 4.6 | 105 27 -26.1 6.9 3 949 610 115 11 -10.0 4.6 | 105 27 -26.1 6.9 4 925 827 135 11 -7.8 7.8 | 113 26 -23.9 10.0 5 915 914 120 8 -6.9 4.0 | 105 24 -23.1 6.2 6 883 1219 145 1 -0.6 0.8 | 100 17 -16.7 3.1 7 850 1541 255 1 1.0 0.3 | 99 15 -15.2 2.5 8 821 1829 255 18 17.4 4.7 | 190 7 1.3 6.9 9 791 2134 250 18 16.9 6.2 | 185 8 0.8 8.4 10 707 3048 195 15 3.9 14.5 | 144 21 -12.3 16.7 11 700 3132 200 15 5.1 14.1 | 146 20 -11.0 16.3 12 681 3353 205 19 8.0 17.2 | 157 21 -8.1 19.5 13 655 3658 245 20 18.1 8.5 | 191 11 2.0 10.7 14 606 4267 255 29 28.0 7.5 | 231 15 11.9 9.7 15 519 5486 265 44 43.8 3.8 | 258 28 27.7 6.1 16 500 5780 270 46 46.0 -0.0 | 266 30 29.9 2.2 17 499 5791 265 43 42.8 3.7 | 257 27 26.7 6.0 18 425 7010 280 68 67.0 -11.8 | 281 52 50.8 -9.6 19 400 7470 270 74 74.0 -0.0 | 268 58 57.9 2.2 20 392 7620 270 74 74.0 -0.0 | 268 58 57.9 2.2 21 304 9449 290 110 103.4 -37.6 | 292 94 87.2 -35.4 22 300 9550 290 110 103.4 -37.6 | 292 94 87.2 -35.4 23 250 10820 280 117 115.2 -20.3 | 280 101 99.1 -18.1 24 242 11042 280 118 116.2 -20.5 | 280 102 100.1 -18.3 25 234 11278 280 118 116.2 -20.5 | 280 102 100.1 -18.3 26 200 12310 280 115 113.3 -20.0 | 280 99 97.1 -17.7 27 150 14110 285 92 88.9 -23.8 | 287 76 72.7 -21.6 28 131 14935 285 96 92.7 -24.8 | 286 80 76.6 -22.6 29 124 15240 295 87 78.8 -36.8 | 299 72 62.7 -34.5 30 100 16530 280 44 43.3 -7.6 | 281 28 27.2 -5.4 31 96 16764 280 44 43.3 -7.6 | 281 28 27.2 -5.4 32 89 17205 300 41 35.5 -20.5 | 313 27 19.4 -18.3 33 70 18630 310 16 12.3 -10.3 | 26 9 -3.9 -8.0 34 50 20670 155 2 -0.8 1.8 | 103 17 -17.0 4.1 35 30 23880 75 4 -3.9 -1.0 | 93 20 -20.0 1.2 36 20 26510 30 8 -4.0 -6.9 | 77 21 -20.1 -4.7 Wind Parameters Mean winds (0-6000m): 247.9 at 21.7 knts Storm direction: 277.9 at 16.3 knts Shear (0-3000m) pos: 4.6 neg: 3.5 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 22.8 deg Storm rel helicity (0-3000m) pos: 51.4 neg: -116.7 tot: -65.3 m^2/s^2 ave: -21.8 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 10.1 stream: -1.1 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.93 Bulk Shear: 100.79 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 ------------------------------------------------------------------------------- 500 135 11 112 26| 0.0 9.2 9.2| 0.0 -50.2 -50.2 -100.3 -0.84| 9.4 -7.9 1000 129 10 110 26| 2.8 4.6 7.4| 23.3 -68.3 -45.0 -45.0 -0.39| 9.4 -3.6 1500 129 8 108 23| 4.0 3.1 7.1| 23.6 -77.2 -53.6 -35.7 -0.36| 8.5 -3.0 2000 165 9 120 21| 7.0 2.3 9.3| 51.4 -77.6 -26.2 -13.1 0.09| 11.0 1.0 2500 204 10 135 17| 5.6 2.5 8.1| 51.4 -90.1 -38.7 -15.5 -0.01| 10.4 -0.1 3000 208 11 139 16| 4.6 3.5 8.1| 51.4-116.7 -65.3 -21.8 -0.11| 10.1 -1.1 4000 218 13 149 15| 6.0 2.6 8.6|129.0-116.7 12.3 3.1 0.15| 10.6 1.6 5000 236 17 171 12| 6.2 2.1 8.3|173.3-116.7 56.6 11.3 0.23| 9.9 2.3 6000 248 22 201 11| 6.1 1.7 7.8|240.8-139.1 101.6 16.9 0.25| 9.8 2.4 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250430.11.gif