UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041523.upa.cvt Date: 2300Z 15 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:2300Z 15 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 22.0 16.0 69 6.0 18.1 225 9 293.8 295.8 290.6 326.1 11.32 1 1000 143 19.4 14.4 73 5.0 16.2 210 12 292.5 294.4 289.3 322.0 10.36 2 997 169 19.0 14.0 73 5.0 15.8 208 13 292.4 294.2 289.1 321.2 10.12 3 939 681 15.2 13.5 90 1.7 14.1 162 25 293.6 295.4 289.8 323.3 10.41 4 925 809 15.2 13.1 87 2.1 13.9 150 28 294.9 296.7 290.1 324.4 10.29 5 902 1022 13.6 12.7 94 0.9 13.0 145 26 295.3 297.2 290.2 324.9 10.28 6 850 1522 11.0 10.6 97 0.4 10.7 145 20 297.7 299.4 290.3 325.3 9.48 7 765 2398 7.6 5.9 89 1.7 6.6 153 17 303.1 304.5 290.6 325.9 7.63 8 706 3056 3.0 3.0 100 0.0 3.0 169 13 305.1 306.3 290.4 325.5 6.74 9 700 3125 2.8 2.6 99 0.2 2.7 155 11 305.6 306.8 290.5 325.6 6.61 10 691 3229 2.0 1.9 99 0.1 2.0 169 13 305.8 307.0 290.3 325.2 6.36 11 686 3288 2.2 -1.2 78 3.4 0.5 176 14 306.7 307.6 289.5 322.4 5.11 12 684 3312 3.2 -10.8 35 14.0 -2.4 179 14 308.1 308.5 287.3 315.9 2.45 13 667 3516 4.2 -37.8 3 42.0 -5.4 185 19 311.4 311.4 286.1 312.2 0.22 14 652 3701 3.8 -30.2 6 34.0 -5.4 184 22 313.0 313.1 286.9 314.7 0.48 15 519 5519 -5.9 -40.9 4 35.0 -12.7 185 30 322.4 322.4 289.7 323.2 0.21 16 500 5810 -8.5 -36.5 8 28.0 -14.3 190 33 322.7 322.7 289.9 323.9 0.34 17 446 6682 -16.7 -37.7 14 21.0 -20.3 203 35 323.1 323.1 290.0 324.3 0.33 18 400 7490 -22.3 -46.3 9 24.0 -25.2 215 37 326.0 326.0 290.7 326.6 0.15 19 391 7656 -23.1 -52.1 5 29.0 -26.0 217 38 327.1 327.1 291.0 327.4 0.08 20 339 8680 -32.1 -49.1 17 17.0 -33.5 218 41 328.5 328.5 291.4 329.0 0.13 21 302 9484 -37.7 -59.7 8 22.0 -38.8 215 42 331.6 331.6 292.2 331.8 0.04 22 300 9530 -38.1 -59.1 9 21.0 -39.1 215 42 331.7 331.7 292.2 331.8 0.04 23 252 10707 -47.7 -60.7 21 13.0 -48.1 228 55 334.4 334.4 292.9 334.6 0.04 24 250 10760 -48.1 -60.1 24 12.0 -48.5 230 56 334.6 334.6 293.0 334.7 0.05 25 229 11334 -51.7 -69.7 10 18.0 -52.0 240 56 337.6 337.6 293.7 337.6 0.01 26 225 11449 -50.3 -69.3 9 19.0 -50.7 239 56 341.4 341.4 294.7 341.5 0.02 27 200 12210 -55.3 -73.3 9 18.0 -55.5 235 54 345.2 345.2 295.6 345.2 0.01 28 155 13817 -61.9 -81.9 5 20.0 -62.0 247 63 360.0 360.0 298.7 360.1 0.00 29 150 14020 -62.1 -82.1 5 20.0 -62.3 250 62 363.1 363.1 299.3 363.1 0.00 30 146 14187 -62.6 -82.6 5 20.0 -62.7 245 67 365.1 365.1 299.7 365.1 0.00 31 120 15385 -66.1 -86.1 4 20.0 -66.2 239 49 379.7 379.7 302.2 379.7 0.00 32 113 15751 -64.1 -86.1 3 22.0 -64.3 237 42 390.0 390.0 303.8 390.0 0.00 33 100 16490 -68.7 -86.7 6 18.0 -68.8 250 35 395.0 395.0 304.5 395.0 0.00 34 97 16672 -69.5 -87.5 6 18.0 -69.6 260 28 396.9 396.9 304.8 396.9 0.00 35 92 16990 -66.7 -87.7 4 21.0 -66.8 264 31 408.5 408.5 306.3 408.5 0.00 36 81 17751 -70.9 -88.9 5 18.0 -71.0 311 19 415.0 415.0 307.1 415.0 0.00 37 78 17978 -66.1 -88.1 3 22.0 -66.2 325 15 429.5 429.5 308.8 429.5 0.00 38 70 18630 -68.3 -88.3 4 20.0 -68.4 5 5 438.3 438.3 309.7 438.3 0.00 39 69 18717 -68.5 -88.5 4 20.0 -68.7 7 5 439.6 439.6 309.8 439.7 0.00 40 50 20670 -64.7 -88.7 2 24.0 -65.0 45 8 491.0 491.0 314.3 491.0 0.00 41 47 21050 -62.9 -87.9 2 25.0 -63.3 52 9 504.1 504.1 315.2 504.1 0.00 42 44 21455 -65.1 -88.1 3 23.0 -65.4 60 10 508.3 508.3 315.5 508.3 0.00 43 30 23850 -54.7 -83.7 2 29.0 -56.3 105 14 595.5 595.5 320.4 595.6 0.01 44 21 26170 -47.5 -79.5 1 32.0 -51.6 681.2 681.2 323.8 681.5 0.03 TRP 97 16672 -69.5 -87.5 6 18.0 -69.6 260 28 396.9 396.9 304.8 396.9 0.00 WND 146 14187 -62.6 -82.6 5 20.0 -62.7 245 67 365.1 365.1 299.7 365.1 0.00 Sounding variables and indices 1000-500 mb thick: 5667.00 m Freezing level: 599.90 mb = 4413.07 m = 14478.40 ft Wetbulb zero: 685.67 mb = 3291.98 m = 10800.34 ft Precipitable water: 1.23 inches Sfc-500 mean rel hum: 53.42 % Est. max temperature: 25.14 C = 77.25 F Sfc-Lift cond lev (LCL): 930.12 mb = 762.10 m = 2500.30 ft T: 15.20 C 700-500 lapse rate: 4.21 C/km ThetaE index: 4.96 C Layer 1000.0- 939.0 mb Conv cond level (CCL): 878.03 mb = 1249.03 m = 4097.81 ft Mean mixing ratio: 10.37 g/kg Conv temperature: 24.59 C = 76.27 F Cap Strength: 6.91 C Lifted Index: 6.25 C Risk: None Lifted Index @300 mb: 6.76 C Lifted Index @700 mb: 1.14 C Showalter Index: 5.07 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: 19.10 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 200.20 Risk: None Energy Index: -0.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.17 J/kg Max Up Vert Vel: 4.04 m/s Conv Inhibition (B-): 31891.75 J/kg Cap Strength: 6.87 C Lift Cond Lev (LCL): 917.82 mb = 875.05 m = 2870.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 202 at 16 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 5 225 9 6.4 6.4 | 358 9 0.4 -8.6 1 1000 143 210 12 6.0 10.4 | 0 5 -0.0 -4.6 2 925 809 150 28 -14.0 24.2 | 115 22 -20.0 9.3 3 914 914 145 27 -15.5 22.1 | 108 23 -21.5 7.2 4 850 1522 145 20 -11.5 16.4 | 95 18 -17.5 1.4 5 850 1524 140 18 -11.6 13.8 | 86 18 -17.6 -1.2 6 789 2134 155 20 -8.5 18.1 | 102 15 -14.5 3.2 7 733 2743 150 12 -6.0 10.4 | 69 13 -12.0 -4.6 8 707 3048 170 13 -2.3 12.8 | 75 9 -8.3 -2.2 9 700 3125 155 11 -4.6 10.0 | 65 12 -10.7 -5.0 10 680 3353 185 15 1.3 14.9 | 90 5 -4.7 -0.0 11 655 3658 185 22 1.9 21.9 | 150 8 -4.1 7.0 12 607 4267 175 23 -2.0 22.9 | 135 11 -8.0 7.9 13 584 4572 195 26 6.7 25.1 | 184 10 0.7 10.2 14 541 5182 180 26 0.0 26.0 | 151 13 -6.0 11.0 15 500 5810 190 33 5.7 32.5 | 179 18 -0.3 17.5 16 400 7490 215 37 21.2 30.3 | 225 22 15.2 15.3 17 376 7925 220 40 25.7 30.6 | 231 25 19.7 15.7 18 300 9530 215 42 24.1 34.4 | 223 27 18.1 19.4 19 265 10363 215 52 29.8 42.6 | 221 36 23.8 27.6 20 250 10760 230 56 42.9 36.0 | 240 42 36.9 21.0 21 231 11278 240 56 48.5 28.0 | 253 44 42.5 13.0 22 200 12210 235 54 44.2 31.0 | 247 41 38.2 16.0 23 165 13411 235 54 44.2 31.0 | 247 41 38.2 16.0 24 157 13716 245 63 57.1 26.6 | 257 52 51.1 11.7 25 150 14020 250 62 58.3 21.2 | 263 53 52.3 6.2 26 150 14021 245 55 49.8 23.2 | 259 45 43.8 8.3 27 146 14187 245 67 60.7 28.3 | 256 56 54.7 13.4 28 143 14326 245 67 60.7 28.3 | 256 56 54.7 13.4 29 106 16154 235 35 28.7 20.1 | 257 23 22.7 5.1 30 100 16490 250 35 32.9 12.0 | 276 27 26.9 -3.0 31 97 16672 260 28 27.6 4.9 | 295 24 21.6 -10.1 32 96 16764 250 35 32.9 12.0 | 276 27 26.9 -3.0 33 70 18630 5 5 -0.4 -5.0 | 18 21 -6.4 -19.9 34 50 20670 45 8 -5.7 -5.7 | 29 24 -11.7 -20.6 35 30 23850 105 14 -13.5 3.6 | 60 23 -19.5 -11.3 Wind Parameters Mean winds (0-6000m): 171.9 at 21.5 knts Storm direction: 201.9 at 16.1 knts Shear (0-3000m) pos: 1.6 neg: 3.5 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 77.1 deg Storm rel helicity (0-3000m) pos: 21.5 neg: -92.7 tot: -71.2 m^2/s^2 ave: -23.7 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 10.0 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.65 Bulk Shear: 12.57 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 ------------------------------------------------------------------------------- 500 195 15 73 2| 0.0 16.5 16.5| 3.4 -0.1 3.3 6.6 0.36| 17.8 6.4 1000 164 20 111 12| 0.0 13.4 13.4| 3.4 -36.2 -32.8 -32.8 -0.03| 17.8 -0.5 1500 157 21 107 15| 0.0 7.1 7.1| 3.4 -56.8 -53.4 -35.6 -0.12| 13.8 -1.7 2000 154 21 103 15| 0.6 5.3 5.9| 16.3 -66.7 -50.4 -25.2 -0.09| 11.8 -1.1 2500 154 20 102 15| 1.1 4.2 5.4| 19.4 -83.1 -63.7 -25.5 -0.15| 10.6 -1.6 3000 154 19 98 14| 1.6 3.5 5.2| 21.5 -92.7 -71.2 -23.7 -0.17| 10.0 -1.7 4000 161 19 102 12| 1.7 3.1 4.9| 36.5 -99.0 -62.5 -15.6 -0.05| 9.8 -0.5 5000 167 20 113 11| 1.9 2.8 4.7| 59.1-113.3 -54.2 -10.8 -0.00| 9.3 -0.0 6000 172 21 125 11| 2.2 2.3 4.6| 94.3-118.1 -23.8 -4.0 0.07| 8.8 0.6 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250415.23.gif