UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1200Z 29 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 21.6 18.6 83 3.0 19.6 140 10 293.4 295.8 292.2 331.5 13.39 1 1000 145 20.8 17.6 82 3.2 18.7 140 12 294.0 296.2 291.8 330.4 12.76 2 925 816 17.4 13.7 79 3.7 15.0 75 2 297.1 299.0 291.2 328.1 10.71 3 850 1534 12.6 10.5 87 2.1 11.3 220 5 299.3 301.1 290.9 327.0 9.42 4 824 1794 10.6 10.0 96 0.6 10.2 233 10 299.9 301.6 291.0 327.5 9.40 5 755 2518 6.4 3.9 84 2.5 5.0 231 14 302.9 304.2 289.7 323.1 6.72 6 724 2862 6.2 -9.8 31 16.0 -0.4 252 11 306.4 306.8 286.8 314.3 2.51 7 707 3057 5.2 -10.8 30 16.0 -1.3 280 12 307.4 307.8 287.1 314.9 2.37 8 702 3115 5.0 -10.0 33 15.0 -1.2 280 13 307.8 308.2 287.3 315.8 2.54 9 700 3138 5.0 -11.0 30 16.0 -1.5 280 14 308.0 308.5 287.3 315.5 2.36 10 678 3398 5.2 -22.8 11 28.0 -3.7 278 20 311.1 311.2 286.8 314.1 0.90 11 614 4203 3.2 -43.8 2 47.0 -6.6 288 34 317.7 317.7 288.2 318.2 0.13 12 603 4349 3.0 -33.0 5 36.0 -6.4 289 36 319.1 319.2 288.9 320.6 0.39 13 516 5585 -7.1 -24.1 24 17.0 -12.0 277 49 321.5 321.7 290.3 325.2 1.06 14 503 5784 -8.1 -27.1 20 19.0 -13.1 275 51 322.6 322.8 290.4 325.5 0.82 15 500 5830 -8.3 -25.3 24 17.0 -13.0 275 51 322.9 323.1 290.7 326.4 0.98 16 464 6406 -11.3 -27.3 25 16.0 -15.4 282 61 326.2 326.3 291.5 329.3 0.88 17 452 6607 -12.7 -15.3 81 2.6 -13.6 284 65 326.9 327.4 293.2 335.6 2.57 18 443 6759 -14.3 -15.2 93 0.9 -14.6 285 67 326.7 327.2 293.3 335.7 2.65 19 442 6777 -14.3 -15.4 91 1.1 -14.7 285 67 326.9 327.5 293.3 335.8 2.61 20 438 6846 -13.3 -31.3 20 18.0 -17.4 286 67 329.0 329.2 292.1 331.4 0.64 21 403 7474 -17.5 -30.5 31 13.0 -20.4 290 65 331.5 331.7 292.9 334.3 0.75 22 400 7530 -17.9 -32.9 26 15.0 -21.0 290 65 331.7 331.8 292.8 334.0 0.60 23 397 7586 -18.1 -42.1 10 24.0 -21.9 290 65 332.2 332.2 292.6 333.1 0.24 24 365 8209 -22.3 -26.2 71 3.9 -23.2 289 70 334.7 334.9 294.1 339.1 1.23 25 362 8269 -22.1 -31.1 44 9.0 -24.0 288 70 335.7 335.9 294.0 338.6 0.79 26 354 8433 -23.3 -30.3 53 7.0 -24.8 288 72 336.3 336.4 294.2 339.5 0.87 27 348 8558 -23.7 -42.7 16 19.0 -26.3 288 73 337.4 337.4 293.9 338.4 0.25 28 339 8749 -24.3 -46.3 11 22.0 -27.1 287 74 339.1 339.1 294.3 339.8 0.18 29 305 9512 -29.3 -52.3 9 23.0 -31.4 285 81 342.5 342.5 295.0 342.9 0.10 30 300 9630 -28.9 -52.9 8 24.0 -31.2 285 82 344.6 344.7 295.5 345.0 0.09 31 250 10910 -40.7 -53.7 23 13.0 -41.5 280 81 345.6 345.6 295.7 346.0 0.10 32 218 11826 -48.9 -56.9 39 8.0 -49.2 273 84 346.7 346.7 296.0 347.0 0.08 33 204 12261 -50.1 -73.1 5 23.0 -50.5 278 89 351.4 351.4 297.0 351.5 0.01 34 200 12390 -51.5 -72.5 6 21.0 -51.9 280 90 351.2 351.2 296.9 351.3 0.01 35 193 12619 -53.2 -73.7 7 20.5 -53.6 280 93 352.0 352.0 297.1 352.1 0.01 36 150 14190 -65.5 -82.5 8 17.0 -65.6 285 76 357.2 357.2 298.1 357.3 0.00 37 147 14313 -66.7 -82.7 9 16.0 -66.8 286 76 357.2 357.2 298.1 357.3 0.00 38 116 15722 -74.5 -88.5 10 14.0 -74.5 278 66 367.8 367.8 300.2 367.8 0.00 39 111 15980 -72.3 -87.3 9 15.0 -72.3 281 58 376.6 376.6 301.7 376.6 0.00 40 100 16590 -75.7 -88.7 11 13.0 -75.7 310 34 381.5 381.5 302.5 381.5 0.00 41 93 17007 -77.5 -89.5 13 12.0 -77.5 305 40 385.9 385.9 303.2 385.9 0.00 42 71 18585 -69.3 -89.3 4 20.0 -69.4 262 12 434.4 434.4 309.3 434.4 0.00 43 70 18670 -69.5 -89.5 4 20.0 -69.6 260 11 435.7 435.7 309.4 435.7 0.00 44 62 19395 -69.1 -90.1 3 21.0 -69.2 233 12 452.0 452.0 311.0 452.0 0.00 45 50 20700 -62.9 -89.9 1 27.0 -63.3 185 15 495.3 495.3 314.6 495.3 0.00 46 44 21488 -63.9 -89.9 2 26.0 -64.3 164 13 511.3 511.3 315.7 511.3 0.00 47 36 22737 -58.7 -88.7 1 30.0 -59.6 130 11 554.9 554.9 318.3 554.9 0.00 48 34 23097 -59.5 -89.5 1 30.0 -60.4 121 10 562.0 562.0 318.8 562.0 0.00 49 30 23890 -55.1 -87.1 1 32.0 -56.7 100 9 594.4 594.4 320.3 594.5 0.01 50 20 26500 -51.3 -85.3 1 34.0 -54.4 130 5 679.1 679.2 323.7 679.2 0.01 51 17 27556 -51.5 -85.5 1 34.0 -54.9 710.8 710.8 324.8 710.9 0.02 TRP 93 17007 -77.5 -89.5 13 12.0 -77.5 305 40 385.9 385.9 303.2 385.9 0.00 WND 193 12619 -53.2 -73.7 7 20.5 -53.6 280 93 352.0 352.0 297.1 352.1 0.01 Sounding variables and indices 1000-500 mb thick: 5685.00 m Freezing level: 577.16 mb = 4716.19 m = 15472.89 ft Wetbulb zero: 726.55 mb = 2833.11 m = 9294.87 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 46.68 % Est. max temperature: 27.07 C = 80.72 F Sfc-Lift cond lev (LCL): 972.33 mb = 386.51 m = 1268.05 ft T: 19.58 C 700-500 lapse rate: 4.94 C/km ThetaE index: 13.22 C Layer 755.0- 707.0 mb Conv cond level (CCL): 877.54 mb = 1263.25 m = 4144.49 ft Mean mixing ratio: 11.84 g/kg Conv temperature: 26.72 C = 80.09 F Cap Strength: 5.50 C Lifted Index: 3.22 C Risk: None Lifted Index @300 mb: 11.74 C Lifted Index @700 mb: 0.88 C Showalter Index: 4.42 C Risk: None Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 18.80 C K Index: 15.40 Risk: < 20 % chance of thunderstorms Sweat Index: 187.00 Risk: None Energy Index: -0.06 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.05 J/kg Max Up Vert Vel: 7.22 m/s Conv Inhibition (B-): 33.11 J/kg Cap Strength: 5.34 C Lift Cond Lev (LCL): 918.23 mb = 878.37 m = 2881.74 ft Lev Free Conv (LFC): 833.23 mb = 1700.75 m = 5579.83 ft Equ Level (EL): 733.23 mb = 2758.00 m = 9048.45 ft B at Equ Level: 25.36 J/kg Max Parcel Lev (MPL): 673.23 mb = 3455.31 m = 11336.19 ft Wind level data Storm motion: 302 at 18 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 5 140 10 -6.4 7.7 | 129 27 -21.3 17.1 1 1000 145 140 12 -7.7 9.2 | 129 29 -22.6 18.6 2 982 305 130 19 -14.6 12.2 | 126 37 -29.5 21.6 3 947 610 105 12 -11.6 3.1 | 115 29 -26.5 12.5 4 925 816 75 2 -1.9 -0.5 | 118 19 -16.8 8.9 5 914 914 45 3 -2.1 -2.1 | 113 19 -17.0 7.3 6 850 1534 220 5 3.2 3.8 | 139 18 -11.7 13.3 7 820 1829 235 11 9.0 6.3 | 159 17 -5.9 15.7 8 790 2134 240 18 15.6 9.0 | 182 18 0.7 18.4 9 762 2438 230 15 11.5 9.6 | 170 19 -3.4 19.1 10 734 2743 235 11 9.0 6.3 | 159 17 -5.9 15.7 11 708 3048 280 12 11.8 -2.1 | 157 8 -3.1 7.3 12 700 3138 280 14 13.8 -2.4 | 171 7 -1.1 7.0 13 656 3658 275 26 25.9 -2.3 | 237 13 11.0 7.2 14 608 4267 290 35 32.9 -12.0 | 278 18 18.0 -2.5 15 502 5791 275 51 50.8 -4.4 | 262 36 35.9 5.0 16 500 5830 275 51 50.8 -4.4 | 262 36 35.9 5.0 17 446 6706 285 67 64.7 -17.3 | 279 50 49.8 -7.9 18 400 7530 290 65 61.1 -22.2 | 286 48 46.2 -12.8 19 395 7620 290 65 61.1 -22.2 | 286 48 46.2 -12.8 20 300 9630 285 82 79.2 -21.2 | 280 65 64.3 -11.8 21 282 10058 285 82 79.2 -21.2 | 280 65 64.3 -11.8 22 250 10910 280 81 79.8 -14.1 | 274 65 64.9 -4.6 23 226 11582 270 82 82.0 -0.0 | 262 68 67.1 9.4 24 200 12390 280 90 88.6 -15.6 | 275 74 73.7 -6.2 25 193 12619 280 93 91.6 -16.1 | 275 77 76.7 -6.7 26 187 12802 280 93 91.6 -16.1 | 275 77 76.7 -6.7 27 150 14190 285 76 73.4 -19.7 | 280 59 58.5 -10.2 28 126 15240 290 75 70.5 -25.7 | 286 58 55.6 -16.2 29 113 15850 275 63 62.8 -5.5 | 265 48 47.9 3.9 30 100 16590 310 34 26.0 -21.9 | 318 17 11.1 -12.4 31 97 16764 310 34 26.0 -21.9 | 318 17 11.1 -12.4 32 93 17007 305 40 32.8 -22.9 | 307 22 17.9 -13.5 33 70 18670 260 11 10.8 1.9 | 160 12 -4.1 11.3 34 50 20700 185 15 1.3 14.9 | 151 28 -13.6 24.4 35 30 23890 100 9 -8.9 1.6 | 115 26 -23.8 11.0 36 20 26500 130 5 -3.8 3.2 | 124 23 -18.7 12.6 Wind Parameters Mean winds (0-6000m): 272.3 at 23.5 knts Storm direction: 302.3 at 17.6 knts Shear (0-3000m) pos: 2.9 neg: 1.4 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 31.8 deg Storm rel helicity (0-3000m) pos: 118.6 neg: -115.6 tot: 3.0 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 12.1 stream: 1.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.15 Bulk Shear: 174.33 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 ------------------------------------------------------------------------------- 500 130 15 126 32| 0.0 7.2 7.2| 2.0 -58.4 -56.4 -112.7 -0.39| 16.6 -6.4 1000 121 11 122 28| 0.0 4.8 4.8| 12.1 -83.9 -71.8 -71.8 -0.25| 16.5 -4.2 1500 126 8 123 26| 2.7 3.2 5.9| 57.7 -83.9 -26.2 -17.5 0.01| 14.4 0.1 2000 155 9 133 25| 4.7 2.4 7.1|106.2 -83.9 22.3 11.1 0.20| 13.6 2.8 2500 192 10 147 23| 3.8 1.7 5.4|116.8-104.2 12.7 5.1 0.15| 12.3 1.9 3000 207 11 152 21| 2.9 1.4 4.2|118.6-115.6 3.0 1.0 0.10| 12.1 1.2 4000 248 14 171 15| 4.6 1.0 5.6|165.9-115.6 50.4 12.6 0.26| 11.8 3.1 5000 269 18 199 10| 4.3 1.0 5.3|186.1-133.7 52.4 10.5 0.24| 10.9 2.6 6000 272 24 225 12| 3.6 1.7 5.3|210.6-170.0 40.5 6.8 0.20| 10.3 2.0 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250429.12.gif