UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120911.upa.cvt Date: 1100Z 9 DEC 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 9 DEC 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 1015 5 24.2 20.7 81 3.5 21.8 35 10 296.1 298.8 294.4 340.2 15.31 1 1000 136 24.2 19.8 76 4.4 21.1 25 18 297.4 300.0 294.3 339.9 14.69 2 949 592 19.8 18.7 93 1.1 19.1 21 11 297.4 300.0 294.1 339.2 14.45 3 925 813 18.8 16.4 86 2.4 17.2 50 9 298.5 300.9 293.3 335.7 12.78 4 923 832 18.6 16.1 85 2.5 17.0 51 9 298.5 300.8 293.1 335.1 12.57 5 887 1174 19.2 14.2 73 5.0 15.9 119 10 302.5 304.7 293.5 336.8 11.55 6 871 1331 18.2 14.9 81 3.3 16.0 132 12 303.1 305.4 294.2 339.6 12.32 7 867 1371 19.0 5.0 40 14.0 10.9 132 13 304.3 305.5 289.8 323.4 6.31 8 865 1390 19.4 2.4 32 17.0 10.0 133 13 304.9 305.9 289.0 321.0 5.26 9 850 1541 18.2 7.2 49 11.0 11.6 135 16 305.2 306.6 291.1 327.9 7.51 10 845 1592 17.8 9.8 59 8.0 12.8 135 18 305.3 307.0 292.4 332.5 9.04 11 831 1735 18.0 -2.0 26 20.0 7.8 135 23 307.0 307.7 288.5 319.3 3.97 12 794 2123 15.4 -0.6 33 16.0 7.0 144 28 308.2 309.1 289.5 322.5 4.61 13 782 2252 13.8 8.8 72 5.0 10.7 154 27 307.9 309.6 293.2 335.6 9.13 14 732 2805 9.8 6.1 78 3.7 7.6 170 29 309.4 310.9 292.8 334.1 8.10 15 700 3176 7.8 2.8 71 5.0 5.0 160 27 311.1 312.4 292.2 331.9 6.70 16 698 3200 7.6 2.6 71 5.0 4.8 159 27 311.2 312.4 292.2 331.7 6.63 17 669 3548 6.2 -10.8 28 17.0 -1.0 137 22 313.4 313.9 289.2 321.5 2.51 18 537 5318 -3.3 -30.3 10 27.0 -10.3 171 18 322.4 322.5 290.1 324.4 0.57 19 500 5880 -6.5 -34.5 9 28.0 -12.9 145 17 325.1 325.2 290.7 326.6 0.41 20 495 5959 -7.1 -33.1 11 26.0 -13.2 141 17 325.3 325.4 290.9 327.1 0.48 21 425 7126 -17.3 -35.3 19 18.0 -20.7 143 22 326.8 326.9 291.3 328.4 0.45 22 400 7580 -18.7 -44.7 8 26.0 -22.4 195 11 330.7 330.7 292.1 331.4 0.18 23 397 7636 -18.9 -44.9 8 26.0 -22.6 195 12 331.1 331.2 292.2 331.8 0.18 24 300 9650 -35.5 -53.5 14 18.0 -36.7 220 17 335.3 335.4 293.2 335.7 0.09 25 264 10525 -43.3 -57.3 20 14.0 -43.9 231 21 336.4 336.4 293.5 336.7 0.06 26 250 10890 -45.7 -61.7 15 16.0 -46.2 235 22 338.1 338.1 293.9 338.3 0.04 27 211 11990 -54.7 -64.7 28 10.0 -54.9 243 36 340.9 340.9 294.6 341.0 0.03 28 204 12204 -55.5 -67.5 21 12.0 -55.7 244 38 342.9 342.9 295.0 343.0 0.02 29 201 12298 -55.1 -71.1 12 16.0 -55.4 245 40 345.0 345.0 295.5 345.1 0.01 30 200 12330 -55.3 -71.3 12 16.0 -55.5 245 40 345.2 345.2 295.6 345.2 0.01 31 150 14130 -64.5 -77.5 15 13.0 -64.6 285 25 359.0 359.0 298.5 359.0 0.01 32 142 14462 -67.3 -78.3 20 11.0 -67.4 281 24 359.7 359.7 298.7 359.8 0.01 33 114 15773 -70.7 -86.7 8 16.0 -70.8 226 18 376.7 376.7 301.7 376.7 0.00 34 109 16040 -69.1 -86.1 7 17.0 -69.2 239 15 384.6 384.6 303.0 384.6 0.00 35 100 16550 -72.5 -87.5 9 15.0 -72.6 215 22 387.6 387.6 303.5 387.7 0.00 36 87 17359 -76.1 -88.1 13 12.0 -76.2 355 2 396.2 396.2 304.7 396.2 0.00 37 72 18471 -67.9 -87.9 4 20.0 -68.1 69 2 435.6 435.6 309.4 435.6 0.00 38 70 18640 -68.3 -88.3 4 20.0 -68.4 80 2 438.3 438.3 309.7 438.3 0.00 39 56 19980 -70.3 -89.3 5 19.0 -70.4 80 13 462.6 462.6 312.0 462.6 0.00 40 50 20660 -68.3 -89.3 3 21.0 -68.5 80 19 482.5 482.5 313.7 482.6 0.00 41 31 23612 -56.3 -85.3 1 29.0 -57.6 94 16 585.6 585.6 319.9 585.7 0.01 42 30 23820 -56.9 -84.9 2 28.0 -58.2 95 16 589.5 589.5 320.1 589.6 0.01 43 26 24724 -58.5 -86.5 2 28.0 -59.7 121 13 609.6 609.6 321.0 609.7 0.01 44 20 26380 -57.1 -86.1 1 29.0 -58.9 170 7 661.4 661.4 323.1 661.5 0.01 45 18 27054 -52.1 -83.1 1 31.0 -55.2 697.4 697.4 324.4 697.6 0.02 TRP 87 17359 -76.1 -88.1 13 12.0 -76.2 355 2 396.2 396.2 304.7 396.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5744.00 m Freezing level: 582.85 mb = 4703.48 m = 15431.19 ft Wetbulb zero: 674.12 mb = 3485.53 m = 11435.33 ft Precipitable water: 1.41 inches Sfc-500 mean rel hum: 45.72 % Est. max temperature: 33.09 C = 91.56 F Sfc-Lift cond lev (LCL): 964.59 mb = 449.99 m = 1476.34 ft T: 21.17 C 700-500 lapse rate: 5.29 C/km ThetaE index: 18.67 C Layer 867.0- 850.0 mb Conv cond level (CCL): 798.05 mb = 2079.54 m = 6822.55 ft Mean mixing ratio: 14.18 g/kg Conv temperature: 36.25 C = 97.25 F Cap Strength: 4.03 C Lifted Index: 0.80 C Risk: Showers probable Lifted Index @300 mb: -0.63 C Lifted Index @700 mb: 0.51 C Showalter Index: 5.78 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 13.70 C K Index: 26.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 135.40 Risk: None Energy Index: -0.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 124.75 J/kg Max Up Vert Vel: 15.80 m/s Conv Inhibition (B-): 252.99 J/kg Cap Strength: 3.97 C Lift Cond Lev (LCL): 927.50 mb = 789.75 m = 2591.02 ft Lev Free Conv (LFC): 472.50 mb = 6314.88 m = 20717.86 ft Equ Level (EL): 252.50 mb = 10823.49 m = 35509.71 ft B at Equ Level: 124.08 J/kg Max Parcel Lev (MPL): 192.50 mb = 12569.30 m = 41237.35 ft Wind level data Storm motion: 177 at 14 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 1015 5 35 10 -5.7 -8.2 | 12 23 -5.0 -22.5 1 1000 136 25 18 -7.6 -16.3 | 13 31 -6.8 -30.7 2 981 305 30 21 -10.5 -18.2 | 17 34 -9.7 -32.5 3 947 610 20 10 -3.4 -9.4 | 6 24 -2.7 -23.8 4 925 813 50 9 -6.9 -5.8 | 17 21 -6.1 -20.1 5 914 914 55 7 -5.7 -4.0 | 15 19 -5.0 -18.4 6 882 1219 130 10 -7.7 6.4 | 41 11 -6.9 -7.9 7 852 1524 135 16 -11.3 11.3 | 74 11 -10.6 -3.0 8 850 1541 135 16 -11.3 11.3 | 74 11 -10.6 -3.0 9 821 1829 135 27 -19.1 19.1 | 104 19 -18.3 4.7 10 792 2134 145 28 -16.1 22.9 | 119 18 -15.3 8.6 11 764 2438 170 26 -4.5 25.6 | 162 12 -3.8 11.2 12 711 3048 170 31 -5.4 30.5 | 164 17 -4.6 16.2 13 700 3176 160 27 -9.2 25.4 | 142 14 -8.5 11.0 14 659 3658 130 21 -16.1 13.5 | 87 15 -15.3 -0.9 15 635 3962 150 23 -11.5 19.9 | 117 12 -10.7 5.6 16 611 4267 145 15 -8.6 12.3 | 75 8 -7.8 -2.1 17 588 4572 155 12 -5.1 10.9 | 51 6 -4.3 -3.5 18 525 5486 175 19 -1.7 18.9 | 169 5 -0.9 4.6 19 500 5880 145 17 -9.8 13.9 | 87 9 -9.0 -0.4 20 486 6096 135 18 -12.7 12.7 | 82 12 -12.0 -1.6 21 414 7315 145 23 -13.2 18.8 | 110 13 -12.4 4.5 22 400 7580 195 11 2.8 10.6 | 316 5 3.6 -3.7 23 398 7620 195 12 3.1 11.6 | 306 5 3.9 -2.8 24 381 7925 185 7 0.6 7.0 | 349 8 1.4 -7.4 25 336 8839 205 16 6.8 14.5 | 269 8 7.5 0.1 26 300 9650 220 17 10.9 13.0 | 277 12 11.7 -1.3 27 250 10890 235 22 18.0 12.6 | 275 19 18.8 -1.7 28 200 12330 245 40 36.3 16.9 | 266 37 37.0 2.5 29 185 12802 245 41 37.2 17.3 | 266 38 37.9 3.0 30 177 13106 245 32 29.0 13.5 | 272 30 29.8 -0.8 31 153 14021 290 22 20.7 -7.5 | 316 31 21.4 -21.9 32 150 14130 285 25 24.1 -6.5 | 310 32 24.9 -20.8 33 145 14326 290 24 22.6 -8.2 | 314 32 23.3 -22.6 34 131 14935 250 23 21.6 7.9 | 286 23 22.4 -6.5 35 125 15240 260 29 28.6 5.0 | 288 31 29.3 -9.3 36 118 15545 255 22 21.3 5.7 | 291 24 22.0 -8.7 37 112 15850 215 16 9.2 13.1 | 277 10 9.9 -1.3 38 107 16154 255 14 13.5 3.6 | 307 18 14.3 -10.7 39 102 16459 260 16 15.8 2.8 | 305 20 16.5 -11.6 40 100 16550 215 22 12.6 18.0 | 255 14 13.4 3.7 41 96 16764 215 22 12.6 18.0 | 255 14 13.4 3.7 42 87 17359 355 2 0.2 -2.0 | 357 16 0.9 -16.3 43 70 18640 80 2 -2.0 -0.3 | 5 15 -1.2 -14.7 44 50 20660 80 19 -18.7 -3.3 | 45 25 -18.0 -17.7 45 30 23820 95 16 -15.9 1.4 | 50 20 -15.2 -13.0 46 20 26380 170 7 -1.2 6.9 | 3 7 -0.5 -7.5 Wind Parameters Mean winds (0-6000m): 147.0 at 19.2 knts Storm direction: 177.0 at 14.4 knts Shear (0-3000m) pos: 6.7 neg: 0.1 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 151.5 deg Storm rel helicity (0-3000m) pos: 182.0 neg: -41.8 tot: 140.1 m^2/s^2 ave: 46.7 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 13.5 stream: 6.4 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 0.96 Bulk Shear: 130.49 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 28 17 14 30| 0.0 4.6 4.6| 19.5 -29.3 -9.9 -19.7 -0.07| 19.5 -1.3 1000 32 13 14 26| 5.7 2.3 8.0| 55.6 -41.8 13.7 13.7 0.10| 16.8 1.7 1500 54 13 24 24| 8.3 1.5 9.9| 88.8 -41.8 46.9 31.3 0.29| 16.0 4.6 2000 92 15 46 20| 9.3 1.1 10.4|130.7 -41.8 88.9 44.4 0.40| 15.5 6.2 2500 118 18 67 16| 8.0 0.9 8.9|180.1 -41.8 138.2 55.3 0.49| 15.3 7.5 3000 135 20 88 13| 6.7 0.1 6.8|182.0 -41.8 140.1 46.7 0.47| 13.5 6.4 4000 141 21 98 13| 5.2 2.1 7.3|200.6-112.1 88.6 22.1 0.23| 13.4 3.1 5000 143 20 97 11| 3.9 1.7 5.6|204.0-131.5 72.6 14.5 0.15| 12.2 1.9 6000 147 19 100 10| 3.6 2.3 5.9|207.8-145.3 62.5 10.4 0.10| 11.5 1.2 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251209.11.gif