UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042023.upa.cvt Date: 2300Z 20 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 20 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 23.8 19.7 78 4.1 20.9 330 8 295.6 298.2 293.5 336.9 14.36 1 1011 47 22.0 18.5 81 3.5 19.6 344 7 294.2 296.6 292.4 332.4 13.37 2 1000 139 21.2 17.6 80 3.6 18.8 15 6 294.4 296.6 291.9 330.8 12.76 3 985 270 20.0 17.5 86 2.5 18.3 15 9 294.4 296.7 292.0 331.2 12.88 4 982 296 20.6 15.9 74 4.7 17.5 15 10 295.3 297.4 291.3 328.7 11.64 5 925 813 18.6 12.6 68 6.0 14.8 320 9 298.3 300.1 291.0 327.4 9.96 6 876 1278 16.4 7.4 55 9.0 11.1 289 10 300.7 302.1 289.6 322.6 7.39 7 850 1534 13.8 7.8 67 6.0 10.3 275 7 300.6 302.0 289.9 323.8 7.83 8 830 1734 11.8 9.3 85 2.5 10.3 303 5 300.5 302.2 290.8 326.8 8.89 9 789 2157 10.0 3.0 62 7.0 6.2 358 0 303.0 304.1 289.1 321.2 6.03 10 725 2853 4.0 -0.3 74 4.3 1.8 253 6 303.8 304.8 288.6 319.5 5.17 11 704 3093 4.2 -10.8 33 15.0 -1.9 217 9 306.6 307.1 286.8 314.2 2.38 12 700 3139 4.0 -9.0 38 13.0 -1.4 210 9 306.9 307.4 287.3 315.6 2.76 13 630 3984 -1.3 -20.3 22 19.0 -7.2 294 12 310.3 310.5 286.8 314.3 1.21 14 608 4268 1.2 -32.8 6 34.0 -7.4 276 24 316.3 316.4 288.0 317.7 0.40 15 592 4481 -0.3 -37.3 4 37.0 -8.6 276 27 317.0 317.0 288.1 317.9 0.26 16 571 4768 -2.7 -15.7 36 13.0 -7.5 278 31 317.5 317.8 290.0 324.0 1.97 17 550 5064 -3.3 -41.3 3 38.0 -10.9 280 36 320.2 320.2 289.0 320.9 0.19 18 514 5595 -6.3 -45.3 3 39.0 -13.2 284 44 322.8 322.8 289.8 323.3 0.13 19 505 5732 -6.1 -48.1 2 42.0 -13.2 284 46 324.7 324.7 290.3 325.1 0.10 20 500 5810 -6.5 -46.5 3 40.0 -13.4 285 47 325.1 325.1 290.5 325.6 0.12 21 473 6243 -10.1 -37.1 9 27.0 -15.6 289 50 325.9 325.9 290.9 327.1 0.33 22 403 7473 -13.7 -42.7 7 29.0 -18.8 280 72 336.5 336.5 293.7 337.3 0.22 23 400 7530 -13.7 -45.7 5 32.0 -19.0 280 73 337.2 337.2 293.8 337.8 0.16 24 399 7549 -13.7 -45.7 5 32.0 -19.0 280 73 337.4 337.5 293.9 338.1 0.16 25 347 8592 -21.9 -36.9 24 15.0 -24.6 285 76 340.1 340.2 294.8 341.9 0.47 26 328 9005 -23.3 -44.3 13 21.0 -26.3 285 76 343.7 343.7 295.4 344.6 0.23 27 315 9299 -26.1 -44.1 17 18.0 -28.5 285 77 343.8 343.8 295.4 344.7 0.24 28 300 9650 -28.7 -49.7 11 21.0 -30.9 285 77 344.9 345.0 295.6 345.5 0.14 29 286 9991 -30.9 -54.9 8 24.0 -32.9 284 76 346.5 346.5 295.9 346.9 0.08 30 250 10930 -38.7 -60.7 8 22.0 -39.8 280 76 348.5 348.5 296.4 348.7 0.04 31 200 12420 -51.3 -69.3 10 18.0 -51.7 275 84 351.5 351.5 297.0 351.6 0.02 32 194 12617 -52.7 -65.7 19 13.0 -53.0 274 85 352.4 352.4 297.2 352.5 0.03 33 184 12956 -55.9 -68.9 18 13.0 -56.1 271 86 352.6 352.6 297.2 352.6 0.02 34 179 13131 -57.0 -73.3 11 16.3 -57.2 270 86 353.5 353.5 297.4 353.6 0.01 35 175 13274 -57.9 -76.9 7 19.0 -58.1 270 86 354.4 354.4 297.5 354.4 0.01 36 150 14230 -64.9 -80.9 9 16.0 -65.0 285 69 358.3 358.3 298.4 358.3 0.00 37 134 14906 -70.7 -82.7 15 12.0 -70.8 292 66 359.7 359.7 298.7 359.7 0.00 38 113 15903 -75.1 -88.1 11 13.0 -75.2 260 58 369.5 369.5 300.5 369.5 0.00 39 100 16610 -74.9 -88.9 10 14.0 -74.9 285 43 383.0 383.0 302.7 383.0 0.00 40 82 17761 -77.5 -90.5 11 13.0 -77.5 290 30 400.1 400.1 305.2 400.1 0.00 41 70 18680 -73.9 -89.9 7 16.0 -74.0 290 15 426.3 426.3 308.4 426.3 0.00 42 67 18936 -73.5 -89.5 7 16.0 -73.6 310 15 432.5 432.5 309.1 432.5 0.00 43 61 19492 -67.9 -89.9 3 22.0 -68.1 353 16 456.8 456.8 311.5 456.8 0.00 44 58 19795 -68.7 -88.7 4 20.0 -68.9 17 16 461.6 461.6 311.9 461.6 0.00 45 50 20690 -65.9 -88.9 3 23.0 -66.2 85 17 488.2 488.2 314.1 488.2 0.00 46 32 23451 -58.3 -85.3 2 27.0 -59.3 63 10 575.0 575.0 319.4 575.0 0.01 47 30 23860 -55.1 -84.1 2 29.0 -56.6 60 9 594.4 594.4 320.3 594.5 0.01 48 23 25589 -48.5 -80.5 1 32.0 -52.1 73 12 660.8 660.8 323.1 661.0 0.03 49 20 26510 -49.1 -81.1 1 32.0 -52.8 80 13 685.9 685.9 324.0 686.1 0.03 50 19 26847 -49.1 -81.1 1 32.0 -52.9 696.0 696.0 324.3 696.3 0.03 TRP 113 15903 -75.1 -88.1 11 13.0 -75.2 260 58 369.5 369.5 300.5 369.5 0.00 WND 179 13131 -57.0 -73.3 11 16.3 -57.2 270 86 353.5 353.5 297.4 353.6 0.01 Sounding variables and indices 1000-500 mb thick: 5671.00 m Freezing level: 647.17 mb = 3776.74 m = 12390.74 ft Freezing level: 618.56 mb = 4131.52 m = 13554.68 ft Freezing level: 595.20 mb = 4438.26 m = 14561.06 ft Wetbulb zero: 714.55 mb = 2971.40 m = 9748.57 ft Precipitable water: 1.14 inches Sfc-500 mean rel hum: 43.37 % Est. max temperature: 28.90 C = 84.02 F Sfc-Lift cond lev (LCL): 956.99 mb = 519.34 m = 1703.85 ft T: 19.74 C 700-500 lapse rate: 3.93 C/km ThetaE index: 12.59 C Layer 789.0- 700.0 mb Conv cond level (CCL): 844.77 mb = 1585.91 m = 5203.04 ft Mean mixing ratio: 11.42 g/kg Conv temperature: 28.81 C = 83.85 F Cap Strength: 5.01 C Lifted Index: 5.14 C Risk: None Lifted Index @300 mb: 12.12 C Lifted Index @700 mb: -0.00 C Showalter Index: 7.84 C Risk: None Total Totals Index: 34.60 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 14.30 C K Index: 15.10 Risk: < 20 % chance of thunderstorms Sweat Index: 154.60 Risk: None Energy Index: 0.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.93 J/kg Max Up Vert Vel: 9.58 m/s Conv Inhibition (B-): 102.76 J/kg Cap Strength: 5.16 C Lift Cond Lev (LCL): 900.19 mb = 1045.49 m = 3430.05 ft Lev Free Conv (LFC): 755.19 mb = 2517.37 m = 8258.99 ft Equ Level (EL): 625.19 mb = 4045.13 m = 13271.26 ft B at Equ Level: 44.98 J/kg Max Parcel Lev (MPL): 585.19 mb = 4572.72 m = 15002.19 ft Wind level data Storm motion: 312 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 5 330 8 4.0 -6.9 | 104 5 -5.1 1.3 1 1000 139 15 6 -1.6 -5.8 | 103 11 -10.6 2.4 2 981 305 15 10 -2.6 -9.7 | 83 12 -11.7 -1.4 3 947 610 360 11 -0.0 -11.0 | 73 10 -9.1 -2.8 4 925 813 320 9 5.8 -6.9 | 112 4 -3.3 1.3 5 914 914 325 9 5.2 -7.4 | 102 4 -3.9 0.8 6 851 1524 265 10 10.0 0.9 | 185 9 0.9 9.1 7 850 1534 275 7 7.0 -0.6 | 164 8 -2.1 7.6 8 791 2134 0 0 -0.0 -0.0 | 132 12 -9.1 8.2 9 700 3139 210 9 4.5 7.8 | 164 17 -4.6 16.0 10 681 3353 210 10 5.0 8.7 | 166 17 -4.1 16.9 11 656 3658 240 3 2.6 1.5 | 146 12 -6.5 9.7 12 631 3962 295 11 10.0 -4.6 | 194 4 0.9 3.6 13 607 4267 275 24 23.9 -2.1 | 248 16 14.8 6.1 14 500 5810 285 47 45.4 -12.2 | 276 37 36.3 -3.9 15 482 6096 290 47 44.2 -16.1 | 283 36 35.1 -7.9 16 400 7530 280 73 71.9 -12.7 | 274 63 62.8 -4.5 17 349 8534 285 76 73.4 -19.7 | 280 65 64.3 -11.5 18 300 9650 285 77 74.4 -19.9 | 280 66 65.3 -11.7 19 296 9754 280 77 75.8 -13.4 | 274 67 66.7 -5.2 20 271 10363 290 74 69.5 -25.3 | 286 63 60.4 -17.1 21 250 10930 280 76 74.8 -13.2 | 274 66 65.8 -5.0 22 200 12420 275 84 83.7 -7.3 | 269 75 74.6 0.9 23 179 13131 270 86 86.0 -0.0 | 264 77 76.9 8.2 24 171 13411 270 86 86.0 -0.0 | 264 77 76.9 8.2 25 150 14230 285 69 66.6 -17.9 | 280 58 57.6 -9.6 26 140 14630 290 66 62.0 -22.6 | 285 55 52.9 -14.4 27 126 15240 295 67 60.7 -28.3 | 291 55 51.6 -20.1 28 114 15850 265 68 67.7 5.9 | 256 60 58.7 14.1 29 113 15903 260 58 57.1 10.1 | 249 51 48.0 18.3 30 108 16154 260 58 57.1 10.1 | 249 51 48.0 18.3 31 100 16610 285 43 41.5 -11.1 | 275 33 32.4 -2.9 32 97 16764 290 46 43.2 -15.7 | 282 35 34.1 -7.5 33 70 18680 290 15 14.1 -5.1 | 238 6 5.0 3.1 34 50 20690 85 17 -16.9 -1.5 | 105 27 -26.0 6.7 35 30 23860 60 9 -7.8 -4.5 | 102 17 -16.9 3.7 36 20 26510 80 13 -12.8 -2.3 | 105 23 -21.9 6.0 Wind Parameters Mean winds (0-6000m): 282.1 at 16.3 knts Storm direction: 312.1 at 12.3 knts Shear (0-3000m) pos: 2.7 neg: 4.1 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 62.5 deg Storm rel helicity (0-3000m) pos: 26.3 neg: -33.7 tot: -7.3 m^2/s^2 ave: -2.4 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.09 Bulk Shear: 42.01 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 7 9 88 10| 6.4 0.0 6.4| 0.0 -14.3 -14.3 -28.6 -0.48| 10.8 -5.2 1000 353 9 83 8| 3.2 4.3 7.5| 5.1 -16.2 -11.1 -11.1 -0.09| 10.5 -0.9 1500 333 9 89 5| 2.1 5.4 7.5| 9.4 -16.2 -6.8 -4.5 0.09| 9.8 0.9 2000 325 8 109 5| 4.0 4.0 8.0| 9.5 -32.4 -22.9 -11.5 -0.14| 10.1 -1.4 2500 322 7 120 6| 3.2 3.5 6.7| 13.7 -33.7 -19.9 -8.0 -0.10| 9.0 -0.9 3000 307 7 138 6| 2.7 4.1 6.8| 26.3 -33.7 -7.3 -2.4 0.02| 9.0 0.1 4000 282 7 161 7| 2.1 2.9 5.1| 41.8 -47.5 -5.8 -1.4 0.07| 9.5 0.7 5000 279 11 194 7| 1.8 3.7 5.5| 80.2 -47.5 32.6 6.5 0.15| 10.1 1.5 6000 282 16 235 8| 2.5 3.1 5.5|156.3 -47.5 108.7 18.1 0.21| 9.7 2.0 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250420.23.gif