UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101811.upa.cvt Date: 1100Z 18 OCT 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 18 OCT 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 1013 5 21.8 20.6 93 1.2 21.0 320 13 293.9 296.6 293.7 337.4 15.25 1 1000 119 21.6 19.8 90 1.8 20.4 315 13 294.8 297.4 293.5 336.8 14.69 2 982 276 20.0 19.4 96 0.6 19.6 349 16 294.7 297.3 293.4 336.4 14.59 3 936 691 19.6 11.6 60 8.0 14.6 42 10 298.3 300.0 290.3 325.2 9.20 4 925 793 20.2 8.2 46 12.0 13.0 50 9 300.0 301.3 289.3 321.8 7.39 5 919 849 20.6 7.6 43 13.0 12.9 59 9 300.9 302.2 289.4 322.1 7.14 6 850 1519 16.0 5.0 48 11.0 9.7 100 15 302.9 304.1 289.5 322.3 6.44 7 700 3134 4.8 1.4 79 3.4 3.0 220 35 307.8 308.9 290.7 326.4 6.06 8 684 3321 2.8 0.9 87 1.9 1.8 222 35 307.6 308.7 290.6 326.0 5.98 9 673 3452 2.0 -6.0 55 8.0 -1.6 224 35 308.1 308.8 288.6 319.5 3.63 10 654 3682 0.4 -8.6 51 9.0 -3.4 226 36 308.9 309.4 288.3 318.5 3.05 11 632 3955 -1.9 -4.6 82 2.7 -3.1 230 36 309.3 310.1 289.6 322.7 4.30 12 625 4044 -2.5 -4.5 86 2.0 -3.4 230 36 309.6 310.4 289.8 323.3 4.38 13 594 4445 -4.9 -9.4 71 4.5 -6.7 228 36 311.3 311.9 289.2 321.4 3.16 14 578 4659 -5.7 -27.7 16 22.0 -11.2 225 35 312.8 313.0 287.2 315.2 0.68 15 565 4837 -6.7 -17.7 41 11.0 -10.3 223 35 313.7 314.0 288.5 319.3 1.68 16 556 4962 -7.1 -36.1 8 29.0 -12.9 222 34 314.7 314.7 287.3 315.8 0.31 17 547 5089 -7.9 -41.9 5 34.0 -13.8 220 34 315.2 315.2 287.3 315.9 0.18 18 535 5261 -9.5 -30.5 16 21.0 -14.2 218 33 315.3 315.4 287.8 317.3 0.56 19 532 5304 -9.9 -16.9 57 7.0 -12.2 217 33 315.3 315.7 289.3 321.7 1.91 20 525 5406 -10.7 -15.7 67 5.0 -12.4 216 32 315.6 316.0 289.6 322.6 2.14 21 520 5479 -10.9 -24.9 31 14.0 -14.5 215 32 316.2 316.4 288.6 319.5 0.97 22 513 5584 -10.9 -39.9 7 29.0 -16.0 217 35 317.4 317.5 288.2 318.3 0.23 23 500 5780 -12.5 -35.5 13 23.0 -16.9 220 40 317.8 317.9 288.5 319.1 0.37 24 484 6029 -13.5 -43.5 6 30.0 -18.1 218 40 319.5 319.6 288.8 320.2 0.17 25 472 6220 -15.1 -28.1 32 13.0 -18.1 217 40 319.9 320.0 289.6 322.7 0.80 26 414 7198 -23.1 -36.1 29 13.0 -25.1 211 39 321.8 321.9 289.8 323.3 0.42 27 400 7450 -24.3 -46.3 11 22.0 -26.7 210 51 323.4 323.4 290.0 324.0 0.15 28 397 7505 -24.5 -49.5 8 25.0 -27.0 210 53 323.8 323.9 290.0 324.3 0.11 29 300 9480 -39.5 -61.5 8 22.0 -40.4 205 74 329.7 329.7 291.7 329.8 0.03 30 286 9806 -41.9 -61.9 10 20.0 -42.6 205 76 330.8 330.8 292.0 330.9 0.03 31 250 10710 -46.9 -69.9 6 23.0 -47.4 210 95 336.3 336.3 293.4 336.4 0.01 32 243 10898 -48.1 -71.1 5 23.0 -48.6 209 102 337.3 337.3 293.7 337.3 0.01 33 200 12170 -54.1 -73.1 8 19.0 -54.4 205 136 347.1 347.1 296.0 347.1 0.01 34 186 12633 -56.7 -75.0 8 18.3 -56.9 205 141 350.1 350.1 296.7 350.2 0.01 35 180 12840 -57.9 -75.9 8 18.0 -58.1 204 139 351.5 351.5 297.0 351.5 0.01 36 150 13980 -61.7 -81.7 5 20.0 -61.9 195 70 363.8 363.8 299.4 363.8 0.00 37 141 14363 -61.1 -83.1 4 22.0 -61.3 210 61 371.3 371.3 300.8 371.3 0.00 38 115 15609 -67.5 -85.5 6 18.0 -67.6 220 66 381.7 381.7 302.5 381.8 0.00 39 107 16045 -65.3 -86.3 4 21.0 -65.4 216 60 393.9 393.9 304.3 393.9 0.00 40 103 16278 -62.5 -86.5 3 24.0 -62.7 217 44 403.5 403.5 305.7 403.6 0.00 41 100 16460 -63.5 -86.5 3 23.0 -63.7 220 23 405.0 405.0 305.9 405.0 0.00 42 85 17436 -71.5 -88.5 6 17.0 -71.6 240 28 408.1 408.1 306.3 408.1 0.00 43 77 18026 -66.1 -88.1 3 22.0 -66.2 217 23 431.1 431.1 309.0 431.1 0.00 44 70 18600 -68.1 -89.1 3 21.0 -68.2 195 19 438.7 438.7 309.7 438.7 0.00 45 69 18686 -68.1 -89.1 3 21.0 -68.2 192 19 440.5 440.5 309.9 440.5 0.00 46 58 19739 -63.3 -89.3 2 26.0 -63.6 156 13 473.8 473.8 313.0 473.8 0.00 47 51 20528 -63.3 -89.3 2 26.0 -63.7 129 9 491.5 491.5 314.3 491.5 0.00 48 50 20650 -62.7 -89.7 1 27.0 -63.1 125 8 495.7 495.7 314.7 495.7 0.00 49 40 22036 -57.9 -88.9 1 31.0 -58.8 108 9 540.4 540.4 317.5 540.5 0.00 50 30 23850 -56.5 -88.5 1 32.0 -57.9 85 10 590.6 590.6 320.2 590.6 0.01 51 27 24518 -57.1 -89.1 1 32.0 -58.5 607.0 607.0 320.9 607.0 0.01 TRP 85 17436 -71.5 -88.5 6 17.0 -71.6 240 28 408.1 408.1 306.3 408.1 0.00 WND 186 12633 -56.7 -75.0 8 18.3 -56.9 205 141 350.1 350.1 296.7 350.2 0.01 Sounding variables and indices 1000-500 mb thick: 5661.00 m Freezing level: 650.17 mb = 3729.74 m = 12236.55 ft Wetbulb zero: 678.25 mb = 3389.62 m = 11120.67 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 56.23 % Est. max temperature: 30.50 C = 86.90 F Sfc-Lift cond lev (LCL): 995.68 mb = 156.52 m = 513.50 ft T: 21.22 C 700-500 lapse rate: 6.54 C/km ThetaE index: 15.54 C Layer 1000.0- 919.0 mb Conv cond level (CCL): 807.23 mb = 1948.48 m = 6392.56 ft Mean mixing ratio: 11.75 g/kg Conv temperature: 32.22 C = 90.00 F Cap Strength: 4.60 C Lifted Index: -1.62 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.32 C Lifted Index @700 mb: 0.21 C Showalter Index: 2.66 C Risk: Showers probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 17.50 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 130.00 Risk: None Energy Index: -0.54 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 343.08 J/kg Max Up Vert Vel: 26.19 m/s Conv Inhibition (B-): 207.83 J/kg Cap Strength: 4.60 C Lift Cond Lev (LCL): 898.96 mb = 1038.46 m = 3406.98 ft Lev Free Conv (LFC): 693.96 mb = 3204.28 m = 10512.60 ft Equ Level (EL): 303.96 mb = 9387.58 m = 30798.76 ft B at Equ Level: 341.11 J/kg Max Parcel Lev (MPL): 213.96 mb = 11729.52 m = 38482.20 ft Wind level data Storm motion: 250 at 19 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 1013 5 320 13 8.4 -10.0 | 29 19 -9.1 -16.4 1 1000 119 315 13 9.2 -9.2 | 28 18 -8.2 -15.6 2 979 305 355 17 1.5 -16.9 | 34 28 -15.9 -23.4 3 945 610 35 11 -6.3 -9.0 | 57 28 -23.7 -15.4 4 925 793 50 9 -6.9 -5.8 | 63 27 -24.3 -12.2 5 912 914 70 10 -9.4 -3.4 | 70 29 -26.8 -9.8 6 880 1219 90 13 -13.0 0.0 | 78 31 -30.4 -6.4 7 850 1519 100 15 -14.8 2.6 | 83 32 -32.2 -3.8 8 819 1829 105 10 -9.7 2.6 | 82 27 -27.1 -3.8 9 789 2134 70 4 -3.8 -1.4 | 70 23 -21.2 -7.8 10 761 2438 205 10 4.2 9.1 | 101 13 -13.2 2.6 11 707 3048 220 35 22.5 26.8 | 194 21 5.1 20.4 12 700 3134 220 35 22.5 26.8 | 194 21 5.1 20.4 13 630 3962 230 36 27.6 23.1 | 211 20 10.2 16.7 14 606 4267 230 37 28.3 23.8 | 212 21 10.9 17.4 15 519 5486 215 32 18.4 26.2 | 183 20 0.9 19.8 16 500 5780 220 40 25.7 30.6 | 199 26 8.3 24.2 17 407 7315 210 39 19.5 33.8 | 184 27 2.1 27.3 18 400 7450 210 51 25.5 44.2 | 192 39 8.1 37.7 19 390 7620 210 57 28.5 49.4 | 194 44 11.1 42.9 20 374 7925 210 53 26.5 45.9 | 193 41 9.1 39.5 21 343 8534 200 60 20.5 56.4 | 184 50 3.1 50.0 22 300 9480 205 74 31.3 67.1 | 193 62 13.9 60.6 23 263 10363 205 79 33.4 71.6 | 194 67 16.0 65.2 24 250 10710 210 95 47.5 82.3 | 202 82 30.1 75.8 25 209 11887 205 138 58.3 125.1 | 199 125 40.9 118.6 26 200 12170 205 136 57.5 123.3 | 199 124 40.1 116.8 27 186 12633 205 141 59.6 127.8 | 199 128 42.2 121.4 28 181 12802 205 141 59.6 127.8 | 199 128 42.2 121.4 29 156 13716 190 86 14.9 84.7 | 178 78 -2.5 78.3 30 150 13980 195 70 18.1 67.6 | 181 61 0.7 61.2 31 142 14326 210 61 30.5 52.8 | 196 48 13.1 46.4 32 128 14935 210 70 35.0 60.6 | 198 57 17.6 54.2 33 116 15545 220 67 43.1 51.3 | 210 52 25.6 44.9 34 105 16154 215 59 33.8 48.3 | 201 45 16.4 41.9 35 100 16460 220 23 14.8 17.6 | 167 11 -2.6 11.2 36 95 16764 220 23 14.8 17.6 | 167 11 -2.6 11.2 37 85 17436 240 28 24.2 14.0 | 222 10 6.8 7.6 38 70 18600 195 19 4.9 18.4 | 134 17 -12.5 11.9 39 50 20650 125 8 -6.6 4.6 | 86 24 -24.0 -1.8 40 30 23850 85 10 -10.0 -0.9 | 75 28 -27.4 -7.3 Wind Parameters Mean winds (0-6000m): 219.8 at 24.8 knts Storm direction: 249.8 at 18.6 knts Shear (0-3000m) pos: 6.7 neg: 1.5 tot: 8.2 10-3/s Storm rel Dir Shear (0-3000m): 161.2 deg Storm rel helicity (0-3000m) pos: 353.6 neg: -41.0 tot: 312.6 m^2/s^2 ave: 104.2 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 15.4 stream: 9.4 10^-3/s Energy-Hel index: 0.45 Bulk Rich Number: 2.08 Bulk Shear: 164.97 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 ------------------------------------------------------------------------------- 500 346 15 34 25| 13.7 0.0 13.7| 77.6 -1.6 76.0 152.0 0.52| 20.5 10.6 1000 11 12 47 27| 10.4 0.0 10.4|158.7 -1.6 157.1 157.1 0.67| 16.2 10.9 1500 41 13 58 30| 9.0 0.0 9.0|207.1 -1.6 205.5 137.0 0.71| 13.1 9.3 2000 59 12 65 31| 6.7 2.3 9.0|207.6 -32.5 175.0 87.5 0.48| 12.2 5.8 2500 65 11 68 30| 5.5 1.8 7.3|281.0 -41.0 240.0 96.0 0.52| 14.1 7.3 3000 113 13 87 30| 6.7 1.5 8.2|353.6 -41.0 312.6 104.2 0.61| 15.4 9.4 4000 213 19 144 12| 4.9 1.1 6.0|393.9 -41.0 352.8 88.2 0.63| 12.6 8.0 5000 220 22 165 11| 3.9 0.3 4.2|395.0 -74.4 320.5 64.1 0.53| 10.8 5.8 6000 220 25 173 13| 3.8 0.1 3.9|430.0 -99.0 331.0 55.2 0.49| 10.1 4.9 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20251018.11.gif