UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010611.upa.cvt Date: 1100Z 6 JAN 26 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 6 JAN 26 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 25.2 20.9 77 4.3 22.2 75 5 297.0 299.8 294.7 341.8 15.49 1 1000 146 23.8 19.7 78 4.1 20.9 80 13 297.0 299.6 294.1 339.1 14.60 2 925 823 18.0 17.5 97 0.5 17.7 110 12 297.7 300.2 293.7 337.5 13.73 3 920 869 17.6 17.5 99 0.1 17.5 110 12 297.8 300.3 293.8 337.8 13.81 4 865 1395 14.4 12.6 89 1.8 13.3 123 19 299.7 301.7 292.0 330.9 10.66 5 854 1503 15.2 9.2 67 6.0 11.6 124 22 301.7 303.2 290.9 327.1 8.58 6 850 1543 15.2 9.2 67 6.0 11.6 125 23 302.1 303.7 291.0 327.7 8.62 7 807 1981 13.0 -1.0 38 14.0 5.9 132 24 304.2 305.1 288.0 317.7 4.40 8 794 2118 13.8 -11.2 16 25.0 3.2 135 24 306.5 306.9 286.4 313.0 2.04 9 707 3083 6.6 -2.4 53 9.0 2.1 144 24 308.9 309.8 289.7 323.0 4.54 10 700 3165 6.2 -3.8 49 10.0 1.4 145 23 309.4 310.1 289.5 322.3 4.12 11 665 3583 3.4 -5.6 52 9.0 -0.8 150 18 310.8 311.5 289.6 322.7 3.79 12 646 3818 3.4 -8.6 41 12.0 -1.9 153 16 313.4 314.0 289.8 323.3 3.09 13 636 3944 2.8 -3.2 65 6.0 -0.2 155 14 314.1 315.0 291.5 329.2 4.75 14 632 3996 2.8 -4.2 60 7.0 -0.6 157 14 314.6 315.5 291.3 328.8 4.43 15 593 4508 0.0 -13.0 37 13.0 -5.2 154 8 317.2 317.6 290.3 325.0 2.37 16 580 4685 -1.5 -12.5 43 11.0 -5.9 152 11 317.4 317.9 290.5 325.8 2.52 17 572 4796 -1.9 -16.9 31 15.0 -7.3 159 14 318.2 318.6 290.0 324.2 1.78 18 552 5079 -1.5 -47.5 2 46.0 -9.9 159 22 322.0 322.0 289.5 322.3 0.09 19 500 5860 -6.3 -43.3 3 37.0 -13.2 150 27 325.4 325.4 290.6 326.0 0.17 20 460 6505 -10.9 -40.9 6 30.0 -16.4 148 29 327.5 327.5 291.2 328.4 0.23 21 400 7560 -19.1 -48.1 6 29.0 -22.8 155 36 330.2 330.2 291.9 330.6 0.12 22 329 8980 -30.9 -54.9 8 24.0 -32.7 151 42 332.9 332.9 292.6 333.2 0.07 23 309 9422 -33.1 -60.1 5 27.0 -34.7 153 42 335.9 335.9 293.3 336.0 0.04 24 300 9630 -33.3 -64.3 3 31.0 -35.0 155 41 338.4 338.4 294.0 338.5 0.02 25 250 10900 -38.3 -71.3 2 33.0 -39.6 170 33 349.1 349.1 296.4 349.2 0.01 26 240 11179 -39.3 -71.3 2 32.0 -40.5 180 31 351.7 351.7 297.0 351.8 0.01 27 200 12400 -48.7 -74.7 3 26.0 -49.3 215 36 355.7 355.7 297.8 355.7 0.01 28 183 12977 -53.5 -75.5 5 22.0 -53.8 212 40 357.0 357.0 298.1 357.0 0.01 29 150 14230 -61.9 -81.9 5 20.0 -62.0 205 49 363.4 363.4 299.4 363.5 0.00 30 127 15246 -67.5 -86.5 5 19.0 -67.6 195 38 371.1 371.1 300.8 371.1 0.00 31 103 16479 -76.9 -87.9 16 11.0 -76.9 233 28 376.0 376.0 301.6 376.0 0.00 32 100 16650 -74.9 -88.9 10 14.0 -74.9 210 34 383.0 383.0 302.7 383.0 0.00 33 97 16827 -73.3 -89.3 7 16.0 -73.3 213 33 389.5 389.5 303.7 389.5 0.00 34 86 17521 -79.1 -91.1 12 12.0 -79.1 245 26 391.4 391.4 304.0 391.4 0.00 35 78 18080 -76.1 -90.1 9 14.0 -76.2 217 24 408.7 408.7 306.3 408.7 0.00 36 71 18619 -78.7 -89.7 15 11.0 -78.7 189 21 414.3 414.3 307.0 414.3 0.00 37 70 18700 -77.9 -89.9 13 12.0 -77.9 185 21 417.7 417.7 307.4 417.7 0.00 38 66 19038 -73.5 -89.5 7 16.0 -73.6 175 22 434.4 434.4 309.3 434.4 0.00 39 50 20680 -66.9 -89.9 3 23.0 -67.1 125 24 485.8 485.8 313.9 485.8 0.00 40 32 23424 -59.7 -87.7 1 28.0 -60.6 99 27 571.2 571.2 319.2 571.3 0.01 41 30 23830 -56.9 -86.9 1 30.0 -58.2 95 27 589.5 589.5 320.1 589.6 0.01 42 23 25528 -53.1 -85.1 1 32.0 -55.5 647.2 647.2 322.6 647.3 0.01 43 21 26114 -53.1 -84.1 1 31.0 -55.6 664.3 664.3 323.2 664.4 0.02 TRP 86 17521 -79.1 -91.1 12 12.0 -79.1 245 26 391.4 391.4 304.0 391.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5714.00 m Freezing level: 593.00 mb = 4508.23 m = 14790.62 ft Wetbulb zero: 677.92 mb = 3426.17 m = 11240.58 ft Precipitable water: 1.31 inches Sfc-500 mean rel hum: 47.69 % Est. max temperature: 27.90 C = 82.23 F Sfc-Lift cond lev (LCL): 954.41 mb = 551.21 m = 1808.42 ft T: 20.33 C 700-500 lapse rate: 4.64 C/km ThetaE index: 14.63 C Layer 807.0- 707.0 mb Conv cond level (CCL): 926.61 mb = 807.89 m = 2650.51 ft Mean mixing ratio: 14.26 g/kg Conv temperature: 25.91 C = 78.63 F Cap Strength: 1.59 C Lifted Index: 1.06 C Risk: Showers probable Lifted Index @300 mb: 1.60 C Lifted Index @700 mb: -1.03 C Showalter Index: 6.04 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 15.50 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 183.40 Risk: None Energy Index: -0.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 149.58 J/kg Max Up Vert Vel: 17.30 m/s Conv Inhibition (B-): 0.40 J/kg Cap Strength: 1.56 C Lift Cond Lev (LCL): 932.09 mb = 756.72 m = 2482.64 ft Lev Free Conv (LFC): 917.09 mb = 896.47 m = 2941.15 ft Equ Level (EL): 847.09 mb = 1571.96 m = 5157.28 ft B at Equ Level: 12.86 J/kg Max Parcel Lev (MPL): 787.09 mb = 2190.43 m = 7186.37 ft Wind level data Storm motion: 171 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 1016 5 75 5 -4.8 -1.3 | 10 15 -2.6 -15.2 1 1000 146 80 13 -12.8 -2.3 | 33 19 -10.6 -16.2 2 982 305 120 12 -10.4 6.0 | 46 11 -8.2 -7.9 3 948 610 100 15 -14.8 2.6 | 48 17 -12.6 -11.3 4 925 823 110 12 -11.3 4.1 | 43 13 -9.1 -9.8 5 915 914 110 12 -11.3 4.1 | 43 13 -9.1 -9.8 6 883 1219 120 15 -13.0 7.5 | 59 13 -10.8 -6.4 7 850 1543 125 23 -18.8 13.2 | 88 17 -16.6 -0.7 8 792 2134 135 24 -17.0 17.0 | 102 15 -14.8 3.1 9 736 2743 140 26 -16.7 19.9 | 113 16 -14.5 6.0 10 700 3165 145 23 -13.2 18.8 | 114 12 -11.0 4.9 11 634 3962 155 14 -5.9 12.7 | 72 4 -3.7 -1.2 12 610 4267 180 9 0.0 9.0 | 336 5 2.2 -4.9 13 587 4572 145 8 -4.6 6.6 | 18 8 -2.4 -7.3 14 565 4877 165 16 -4.1 15.5 | 129 2 -1.9 1.6 15 544 5182 155 25 -10.6 22.7 | 136 12 -8.3 8.8 16 524 5486 165 23 -6.0 22.2 | 156 9 -3.7 8.3 17 500 5860 150 27 -13.5 23.4 | 130 15 -11.3 9.5 18 485 6096 145 27 -15.5 22.1 | 122 16 -13.3 8.2 19 400 7560 155 36 -15.2 32.6 | 145 23 -13.0 18.7 20 349 8534 155 38 -16.1 34.4 | 146 25 -13.8 20.5 21 321 9144 150 44 -22.0 38.1 | 141 31 -19.8 24.2 22 300 9630 155 41 -17.3 37.2 | 147 28 -15.1 23.3 23 270 10363 175 32 -2.8 31.9 | 178 18 -0.6 18.0 24 250 10900 170 33 -5.7 32.5 | 169 19 -3.5 18.6 25 247 10973 170 33 -5.7 32.5 | 169 19 -3.5 18.6 26 226 11582 200 27 9.2 25.4 | 225 16 11.5 11.5 27 200 12400 215 36 20.6 29.5 | 236 28 22.9 15.6 28 197 12497 215 37 21.2 30.3 | 235 29 23.4 16.4 29 150 14230 205 49 20.7 44.4 | 217 38 22.9 30.5 30 140 14630 205 50 21.1 45.3 | 217 39 23.3 31.4 31 120 15545 190 31 5.4 30.5 | 205 18 7.6 16.6 32 114 15850 200 19 6.5 17.9 | 246 10 8.7 4.0 33 109 16154 235 21 17.2 12.0 | 275 20 19.4 -1.9 34 103 16459 235 28 22.9 16.1 | 265 25 25.2 2.2 35 100 16650 210 34 17.0 29.4 | 231 25 19.2 15.5 36 98 16764 210 34 17.0 29.4 | 231 25 19.2 15.5 37 86 17521 245 26 23.6 11.0 | 276 26 25.8 -2.9 38 70 18700 185 21 1.8 20.9 | 210 8 4.0 7.0 39 50 20680 125 24 -19.7 13.8 | 90 17 -17.4 -0.1 40 30 23830 95 27 -26.9 2.4 | 65 27 -24.7 -11.5 Wind Parameters Mean winds (0-6000m): 140.9 at 18.8 knts Storm direction: 170.9 at 14.1 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 104.0 deg Storm rel helicity (0-3000m) pos: 114.7 neg: -5.9 tot: 108.7 m^2/s^2 ave: 36.2 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 4.7 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 7.42 Bulk Shear: 20.16 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 ------------------------------------------------------------------------------- 500 101 12 39 15| 10.4 0.0 10.4| 46.0 0.0 46.0 92.0 0.59| 19.1 11.2 1000 104 12 42 15| 4.9 0.0 4.9| 49.8 -5.9 43.8 43.8 0.41| 13.0 5.4 1500 111 14 50 14| 6.6 0.0 6.6| 82.1 -5.9 76.2 50.8 0.55| 12.1 6.7 2000 117 16 62 14| 5.5 0.0 5.5| 98.2 -5.9 92.3 46.1 0.59| 10.1 6.0 2500 123 18 72 14| 4.8 0.0 4.8|108.8 -5.9 102.9 41.1 0.62| 8.6 5.3 3000 127 19 79 13| 3.9 0.0 3.9|114.7 -5.9 108.7 36.2 0.60| 7.8 4.7 4000 132 19 85 12| 1.8 0.0 1.8|114.9 -13.4 101.5 25.4 0.39| 7.4 2.9 5000 136 18 83 10| 2.6 0.5 3.1|128.3 -16.4 111.9 22.4 0.37| 8.2 3.1 6000 141 19 94 10| 2.5 0.8 3.2|136.7 -37.4 99.3 16.5 0.27| 8.4 2.3 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20260106.11.gif