UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041923.upa.cvt Date: 2300Z 19 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 19 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 1017 5 23.6 19.8 79 3.8 21.0 95 1 295.3 297.9 293.5 336.7 14.44 1 1000 147 21.4 17.9 80 3.5 19.1 310 2 294.5 296.9 292.2 331.8 13.01 2 984 287 20.2 17.8 86 2.4 18.6 354 0 294.7 297.1 292.3 332.3 13.14 3 931 764 17.4 15.4 88 2.0 16.1 333 4 296.6 298.7 292.0 330.9 11.90 4 925 819 17.0 14.4 85 2.6 15.3 330 4 296.7 298.7 291.5 329.1 11.22 5 865 1390 13.8 11.1 84 2.7 12.1 232 3 299.1 300.9 290.9 327.3 9.64 6 850 1538 13.8 7.8 67 6.0 10.3 195 3 300.6 302.0 289.9 323.8 7.83 7 700 3142 4.6 -33.4 4 38.0 -4.7 345 4 307.6 307.6 284.8 308.7 0.33 8 500 5850 -4.9 -25.9 18 21.0 -11.1 270 39 327.1 327.2 291.8 330.4 0.93 9 400 7560 -16.9 -19.7 79 2.8 -17.8 265 52 333.0 333.4 294.3 340.1 2.01 10 300 9670 -28.9 -52.9 8 24.0 -31.2 265 66 344.6 344.7 295.5 345.0 0.09 11 250 10940 -38.5 -56.5 13 18.0 -39.6 260 67 348.8 348.8 296.4 349.1 0.07 12 200 12440 -51.5 -60.5 33 9.0 -51.8 255 65 351.2 351.2 297.0 351.5 0.06 13 186 12905 -55.0 -65.5 26 10.5 -55.2 250 71 352.9 353.0 297.3 353.1 0.03 14 150 14240 -65.3 -80.3 11 15.0 -65.4 260 66 357.6 357.6 298.2 357.6 0.00 15 109 16119 -79.3 -86.3 31 7.0 -79.3 260 57 365.4 365.4 299.7 365.4 0.00 16 100 16610 -78.3 -87.3 22 9.0 -78.3 260 43 376.4 376.4 301.6 376.5 0.00 17 92 17084 -79.1 -87.1 26 8.0 -79.1 254 37 383.9 383.9 302.9 384.0 0.00 18 70 18660 -73.1 -89.1 7 16.0 -73.2 225 9 428.0 428.0 308.6 428.0 0.00 19 50 20660 -65.9 -88.9 3 23.0 -66.2 80 9 488.2 488.2 314.1 488.2 0.00 20 43 21587 -61.7 -87.7 2 26.0 -62.2 74 10 520.0 520.0 316.3 520.1 0.00 21 40 22034 -63.3 -88.3 2 25.0 -63.8 71 11 526.9 526.9 316.7 526.9 0.00 22 37 22519 -58.3 -86.3 2 28.0 -59.2 68 11 551.6 551.6 318.2 551.6 0.01 23 32 23437 -56.7 -84.7 2 28.0 -57.9 63 12 579.3 579.3 319.6 579.3 0.01 24 30 23850 -53.7 -83.7 1 30.0 -55.5 60 13 598.2 598.2 320.5 598.3 0.01 25 28 24294 -50.9 -81.9 1 31.0 -53.4 76 12 618.0 618.0 321.4 618.1 0.02 26 20 26490 -48.3 -81.3 1 33.0 -52.3 155 8 688.3 688.3 324.0 688.5 0.03 27 18 27185 -47.9 -79.9 1 32.0 -52.3 710.7 710.7 324.8 711.0 0.04 TRP 109 16119 -79.3 -86.3 31 7.0 -79.3 260 57 365.4 365.4 299.7 365.4 0.00 WND 186 12905 -55.0 -65.5 26 10.5 -55.2 250 71 352.9 353.0 297.3 353.1 0.03 Sounding variables and indices 1000-500 mb thick: 5703.00 m Freezing level: 603.16 mb = 4453.24 m = 14610.20 ft Wetbulb zero: 747.26 mb = 2602.22 m = 8537.38 ft Precipitable water: 1.16 inches Sfc-500 mean rel hum: 36.11 % Est. max temperature: 27.31 C = 81.17 F Sfc-Lift cond lev (LCL): 962.14 mb = 480.31 m = 1575.79 ft T: 19.06 C 700-500 lapse rate: 3.51 C/km ThetaE index: 23.60 C Layer 931.0- 500.0 mb Conv cond level (CCL): 902.73 mb = 1026.43 m = 3367.51 ft Mean mixing ratio: 12.62 g/kg Conv temperature: 25.86 C = 78.54 F Cap Strength: 1.02 C Lifted Index: 5.45 C Risk: None Lifted Index @300 mb: 10.22 C Lifted Index @700 mb: -0.37 C Showalter Index: 9.44 C Risk: None Total Totals Index: 31.40 C Risk: None Vertical Totals Index: 18.70 C Cross Totals Index: 12.70 C K Index: -11.50 Risk: None Sweat Index: 138.60 Risk: None Energy Index: 1.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.89 J/kg Max Up Vert Vel: 4.88 m/s Conv Inhibition (B-): 34.72 J/kg Cap Strength: 5.47 C Lift Cond Lev (LCL): 930.27 mb = 770.34 m = 2527.33 ft Lev Free Conv (LFC): 745.27 mb = 2624.27 m = 8609.70 ft Equ Level (EL): 675.27 mb = 3431.45 m = 11257.91 ft B at Equ Level: 11.32 J/kg Max Parcel Lev (MPL): 635.27 mb = 3922.90 m = 12870.24 ft Wind level data Storm motion: 318 at 10 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 1017 5 95 1 -1.0 0.1 | 134 11 -7.7 7.5 1 1000 147 310 2 1.5 -1.3 | 140 8 -5.2 6.2 2 982 305 0 0 -0.0 -0.0 | 138 10 -6.7 7.5 3 925 819 330 4 2.0 -3.5 | 130 6 -4.7 4.0 4 915 914 350 4 0.7 -3.9 | 120 7 -6.0 3.5 5 850 1538 195 3 0.8 2.9 | 150 12 -5.9 10.4 6 791 2134 175 13 -1.1 13.0 | 159 22 -7.8 20.4 7 762 2438 165 10 -2.6 9.7 | 152 19 -9.3 17.1 8 708 3048 275 1 1.0 -0.1 | 142 9 -5.7 7.4 9 700 3142 345 4 1.0 -3.9 | 122 7 -5.7 3.6 10 682 3353 320 16 10.3 -12.3 | 323 6 3.6 -4.8 11 657 3658 305 15 12.3 -8.6 | 282 6 5.6 -1.1 12 632 3962 320 20 12.9 -15.3 | 322 10 6.2 -7.9 13 609 4267 315 20 14.1 -14.1 | 312 10 7.4 -6.7 14 564 4877 315 22 15.6 -15.6 | 312 12 8.9 -8.1 15 523 5486 265 25 24.9 2.2 | 242 21 18.2 9.6 16 500 5850 270 39 39.0 -0.0 | 257 33 32.3 7.5 17 465 6401 280 40 39.4 -6.9 | 269 33 32.7 0.5 18 400 7560 265 52 51.8 4.5 | 255 47 45.1 12.0 19 397 7620 270 53 53.0 -0.0 | 261 47 46.3 7.5 20 300 9670 265 66 65.7 5.8 | 257 61 59.0 13.2 21 260 10668 255 67 64.7 17.3 | 247 63 58.0 24.8 22 250 10940 260 67 66.0 11.6 | 252 62 59.3 19.1 23 227 11582 260 69 68.0 12.0 | 252 64 61.2 19.4 24 200 12440 255 65 62.8 16.8 | 247 61 56.1 24.3 25 186 12905 250 71 66.7 24.3 | 242 68 60.0 31.7 26 180 13106 250 71 66.7 24.3 | 242 68 60.0 31.7 27 150 14240 260 66 65.0 11.5 | 252 61 58.3 18.9 28 109 16119 260 57 56.1 9.9 | 251 52 49.4 17.4 29 103 16459 265 58 57.8 5.1 | 256 53 51.1 12.5 30 100 16610 260 43 42.3 7.5 | 247 39 35.6 14.9 31 97 16764 260 43 42.3 7.5 | 247 39 35.6 14.9 32 70 18660 225 9 6.4 6.4 | 179 14 -0.3 13.8 33 50 20660 80 9 -8.9 -1.6 | 111 17 -15.6 5.9 34 30 23850 60 13 -11.3 -6.5 | 93 18 -18.0 1.0 35 20 26490 155 8 -3.4 7.3 | 146 18 -10.1 14.7 Wind Parameters Mean winds (0-6000m): 288.1 at 13.4 knts Storm direction: 318.1 at 10.0 knts Shear (0-3000m) pos: 1.6 neg: 1.5 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 11.7 deg Storm rel helicity (0-3000m) pos: 34.0 neg: -31.8 tot: 2.3 m^2/s^2 ave: 0.8 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.57 Bulk Shear: 21.04 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 ------------------------------------------------------------------------------- 500 331 1 137 9| 0.0 2.1 2.1| 2.3 -3.3 -1.0 -2.0 -0.06| 5.9 -0.3 1000 332 2 134 8| 0.0 2.3 2.3| 4.6 -6.0 -1.4 -1.4 -0.04| 5.6 -0.2 1500 322 3 137 7| 0.0 1.2 1.2| 10.0 -9.0 1.0 0.6 0.08| 6.3 0.5 2000 223 4 157 11| 0.0 2.8 2.8| 17.4 -9.0 8.3 4.2 0.13| 6.8 0.9 2500 184 5 153 14| 0.0 1.8 1.8| 24.2 -23.5 0.7 0.3 0.06| 6.9 0.4 3000 182 5 153 14| 1.6 1.5 3.1| 34.0 -31.8 2.3 0.8 0.03| 7.7 0.2 4000 271 7 185 7| 3.6 1.1 4.7| 42.8 -49.3 -6.5 -1.6 -0.17| 9.2 -1.5 5000 302 10 221 3| 2.8 1.3 4.2| 43.0 -66.3 -23.3 -4.7 -0.22| 8.2 -1.8 6000 288 13 241 7| 3.4 2.5 5.9|105.5-129.0 -23.5 -3.9 -0.21| 9.5 -2.0 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250419.23.gif