UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042511.upa.cvt Date: 1100Z 25 APR 25 Searching for YBBN... Searching the city database file for: YBBN ... Date:1100Z 25 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 1014 5 19.4 18.6 95 0.8 18.9 205 6 291.4 293.8 291.5 329.3 13.41 1 1000 125 19.0 17.8 93 1.2 18.2 175 11 292.1 294.4 291.3 328.8 12.93 2 966 423 18.8 16.7 88 2.1 17.4 125 12 294.9 297.1 291.9 330.6 12.47 3 925 795 16.0 15.6 97 0.4 15.7 85 13 295.7 297.9 291.9 330.6 12.14 4 850 1510 11.8 10.8 94 1.0 11.2 105 9 298.5 300.3 290.7 326.6 9.61 5 834 1669 10.8 10.7 99 0.1 10.7 99 8 299.1 300.9 291.0 327.6 9.73 6 798 2037 9.2 5.8 79 3.4 7.3 84 5 301.2 302.5 289.6 322.8 7.26 7 730 2771 4.8 3.8 93 1.0 4.2 96 7 304.1 305.4 290.2 324.9 6.90 8 700 3113 3.4 3.3 99 0.1 3.4 105 9 306.2 307.5 291.0 327.3 6.95 9 694 3183 3.2 3.2 100 0.0 3.2 105 10 306.8 308.1 291.2 328.0 6.96 10 637 3874 0.8 -1.0 88 1.8 -0.2 112 13 311.7 312.7 291.5 329.1 5.59 11 608 4247 -1.1 -2.6 90 1.5 -1.9 124 8 313.7 314.6 291.7 330.1 5.20 12 545 5112 -5.7 -15.7 45 10.0 -9.3 213 7 318.2 318.6 290.3 325.0 2.06 13 513 5582 -9.9 -14.6 68 4.7 -11.6 254 12 318.6 319.1 290.7 326.6 2.40 14 500 5780 -10.7 -21.7 40 11.0 -13.9 240 18 320.0 320.3 290.2 324.6 1.35 15 492 5904 -11.1 -28.1 23 17.0 -15.3 245 18 321.0 321.1 289.9 323.7 0.77 16 486 5999 -9.7 -48.7 3 39.0 -15.6 250 20 323.8 323.9 290.0 324.2 0.09 17 400 7470 -21.3 -41.3 15 20.0 -24.2 250 44 327.3 327.4 291.2 328.3 0.26 18 371 8023 -25.5 -47.5 11 22.0 -27.9 255 49 328.8 328.9 291.5 329.4 0.14 19 363 8181 -26.9 -38.9 31 12.0 -28.5 257 51 329.0 329.1 291.8 330.4 0.36 20 362 8201 -26.9 -38.9 31 12.0 -28.5 257 51 329.3 329.4 291.9 330.7 0.36 21 348 8486 -27.7 -45.7 16 18.0 -29.7 259 53 331.9 332.0 292.4 332.7 0.18 22 332 8824 -30.1 -54.1 8 24.0 -32.0 257 64 333.2 333.2 292.6 333.5 0.07 23 310 9310 -33.9 -53.9 12 20.0 -35.3 252 82 334.4 334.5 293.0 334.8 0.08 24 300 9540 -34.5 -54.5 11 20.0 -35.8 250 90 336.7 336.8 293.6 337.1 0.08 25 284 9922 -35.9 -50.9 20 15.0 -37.0 253 98 340.1 340.1 294.4 340.6 0.13 26 277 10095 -36.9 -55.9 12 19.0 -38.1 254 102 341.1 341.1 294.6 341.3 0.07 27 275 10145 -36.3 -62.3 5 26.0 -37.7 254 103 342.6 342.6 295.0 342.8 0.03 28 271 10247 -36.6 -61.0 6 24.4 -37.9 255 105 343.6 343.6 295.2 343.8 0.04 29 270 10272 -36.7 -60.7 7 24.0 -38.0 255 105 343.9 343.9 295.3 344.0 0.04 30 250 10800 -41.1 -62.1 9 21.0 -42.0 255 100 345.0 345.0 295.6 345.1 0.04 31 200 12280 -49.7 -73.7 4 24.0 -50.2 255 91 354.1 354.1 297.5 354.1 0.01 32 178 13034 -54.5 -77.5 4 23.0 -54.8 255 89 358.2 358.2 298.4 358.2 0.01 33 150 14110 -62.3 -81.3 6 19.0 -62.4 260 66 362.8 362.8 299.2 362.8 0.00 34 132 14887 -68.1 -83.1 10 15.0 -68.2 272 70 365.9 365.9 299.8 365.9 0.00 35 111 15915 -71.9 -85.9 11 14.0 -71.9 255 57 377.4 377.4 301.8 377.4 0.00 36 100 16530 -71.5 -87.5 7 16.0 -71.6 275 28 389.6 389.6 303.8 389.6 0.00 37 81 17768 -73.7 -88.7 8 15.0 -73.7 291 21 409.3 409.3 306.4 409.3 0.00 38 70 18630 -69.7 -89.7 4 20.0 -69.8 305 15 435.3 435.3 309.4 435.3 0.00 39 68 18803 -69.9 -89.9 4 20.0 -70.0 308 15 438.5 438.5 309.7 438.5 0.00 40 63 19265 -64.9 -88.9 2 24.0 -65.1 318 16 459.2 459.2 311.7 459.2 0.00 41 59 19666 -66.1 -89.1 3 23.0 -66.3 325 17 465.2 465.2 312.3 465.2 0.00 42 50 20680 -62.9 -87.9 2 25.0 -63.3 345 18 495.3 495.3 314.6 495.3 0.00 43 48 20932 -62.3 -88.3 2 26.0 -62.7 356 17 502.5 502.5 315.1 502.5 0.00 44 46 21197 -58.7 -86.7 2 28.0 -59.4 7 17 517.3 517.3 316.1 517.4 0.00 45 36 22741 -57.3 -86.3 1 29.0 -58.3 72 12 558.5 558.5 318.6 558.6 0.01 46 33 23289 -58.9 -86.9 2 28.0 -59.9 95 11 568.4 568.4 319.1 568.4 0.01 47 30 23890 -56.5 -85.5 1 29.0 -57.9 120 9 590.6 590.6 320.2 590.7 0.01 48 21 26174 -50.7 -82.7 1 32.0 -53.8 94 13 671.5 671.6 323.5 671.7 0.02 49 20 26490 -52.1 -83.1 1 31.0 -55.0 90 14 676.7 676.7 323.7 676.9 0.02 50 19 26823 -51.3 -83.3 1 32.0 -54.5 689.2 689.2 324.1 689.3 0.02 TRP 111 15915 -71.9 -85.9 11 14.0 -71.9 255 57 377.4 377.4 301.8 377.4 0.00 WND 271 10247 -36.6 -61.0 6 24.4 -37.9 255 105 343.6 343.6 295.2 343.8 0.04 Sounding variables and indices 1000-500 mb thick: 5655.00 m Freezing level: 624.79 mb = 4030.96 m = 13224.77 ft Wetbulb zero: 639.66 mb = 3840.33 m = 12599.35 ft Precipitable water: 1.59 inches Sfc-500 mean rel hum: 83.78 % Est. max temperature: 26.00 C = 78.80 F Sfc-Lift cond lev (LCL): 1002.41 mb = 104.24 m = 342.00 ft T: 19.07 C 700-500 lapse rate: 5.29 C/km ThetaE index: 4.82 C Layer 798.0- 730.0 mb Conv cond level (CCL): 926.60 mb = 780.17 m = 2559.58 ft Mean mixing ratio: 12.51 g/kg Conv temperature: 23.66 C = 74.59 F Cap Strength: 1.25 C Lifted Index: 0.47 C Risk: Showers probable Lifted Index @300 mb: 5.73 C Lifted Index @700 mb: -0.96 C Showalter Index: 2.23 C Risk: Showers probable Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 21.50 C K Index: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 165.60 Risk: None Energy Index: -0.40 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 79.45 J/kg Max Up Vert Vel: 12.61 m/s Conv Inhibition (B-): 11.28 J/kg Cap Strength: 1.23 C Lift Cond Lev (LCL): 945.43 mb = 607.71 m = 1993.76 ft Lev Free Conv (LFC): 890.43 mb = 1117.07 m = 3664.90 ft Equ Level (EL): 650.43 mb = 3705.69 m = 12157.64 ft B at Equ Level: 78.47 J/kg Max Parcel Lev (MPL): 480.43 mb = 6085.70 m = 19965.97 ft Wind level data Storm motion: 152 at 7 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 1014 5 205 6 2.5 5.4 | 279 6 5.9 -0.9 1 1000 125 175 11 -1.0 11.0 | 207 5 2.4 4.6 2 979 305 150 13 -6.5 11.3 | 147 6 -3.2 4.9 3 945 610 85 11 -11.0 -1.0 | 46 11 -7.6 -7.3 4 925 795 85 13 -13.0 -1.1 | 52 12 -9.6 -7.5 5 912 914 90 15 -15.0 0.0 | 62 13 -11.7 -6.3 6 850 1510 105 9 -8.7 2.3 | 53 7 -5.4 -4.0 7 788 2134 80 4 -3.9 -0.7 | 5 7 -0.6 -7.0 8 700 3113 105 9 -8.7 2.3 | 53 7 -5.4 -4.0 9 654 3658 105 16 -15.5 4.1 | 80 12 -12.1 -2.2 10 605 4267 125 7 -5.7 4.0 | 46 3 -2.4 -2.3 11 582 4572 150 2 -1.0 1.7 | 333 5 2.3 -4.6 12 519 5486 260 10 9.8 1.7 | 289 14 13.2 -4.6 13 500 5780 240 18 15.6 9.0 | 262 19 18.9 2.7 14 499 5791 240 17 14.7 8.5 | 263 18 18.1 2.2 15 480 6096 255 21 20.3 5.4 | 272 24 23.6 -0.9 16 400 7470 250 44 41.3 15.0 | 259 46 44.7 8.7 17 345 8534 260 54 53.2 9.4 | 267 57 56.5 3.0 18 300 9540 250 90 84.6 30.8 | 254 91 87.9 24.5 19 271 10247 255 105 101.4 27.2 | 259 107 104.8 20.8 20 266 10363 255 105 101.4 27.2 | 259 107 104.8 20.8 21 250 10800 255 100 96.6 25.9 | 259 102 99.9 19.6 22 200 12280 255 91 87.9 23.6 | 259 93 91.2 17.2 23 160 13716 255 88 85.0 22.8 | 259 90 88.3 16.4 24 150 14110 260 66 65.0 11.5 | 266 69 68.3 5.1 25 145 14326 265 64 63.8 5.6 | 271 67 67.1 -0.8 26 118 15545 280 78 76.8 -13.5 | 284 83 80.2 -19.9 27 111 15915 255 57 55.1 14.8 | 262 59 58.4 8.4 28 107 16154 255 52 50.2 13.5 | 262 54 53.6 7.1 29 100 16530 275 28 27.9 -2.4 | 286 32 31.2 -8.8 30 96 16764 275 28 27.9 -2.4 | 286 32 31.2 -8.8 31 70 18630 305 15 12.3 -8.6 | 314 22 15.6 -14.9 32 50 20680 345 18 4.7 -17.4 | 341 25 8.0 -23.7 33 30 23890 120 9 -7.8 4.5 | 68 5 -4.5 -1.8 34 20 26490 90 14 -14.0 0.0 | 59 12 -10.7 -6.3 Wind Parameters Mean winds (0-6000m): 122.2 at 9.5 knts Storm direction: 152.2 at 7.2 knts Shear (0-3000m) pos: 0.8 neg: 2.6 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 128.7 deg Storm rel helicity (0-3000m) pos: 18.8 neg: -51.7 tot: -32.9 m^2/s^2 ave: -11.0 10^-3 m/s^2 rel: -0.50 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 18.65 Bulk Shear: 4.26 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 ------------------------------------------------------------------------------- 500 152 11 153 4| 0.0 14.2 14.2| 0.0 -30.2 -30.2 -60.4 -0.97| 22.5-21.9 1000 117 12 83 7| 0.0 8.9 8.9| 10.0 -39.1 -29.1 -29.1 -0.70| 16.1-11.3 1500 109 12 73 8| 1.9 5.9 7.9| 10.0 -41.7 -31.7 -21.1 -0.63| 12.7 -7.9 2000 107 11 65 8| 1.4 3.8 5.3| 10.0 -50.1 -40.1 -20.0 -0.67| 10.7 -7.2 2500 105 9 56 7| 1.0 3.1 4.1| 13.4 -51.7 -38.3 -15.3 -0.61| 9.1 -5.5 3000 104 9 53 7| 0.8 2.6 3.3| 18.8 -51.7 -32.9 -11.0 -0.50| 8.1 -4.1 4000 105 10 59 7| 0.9 1.9 2.8| 30.0 -52.7 -22.7 -5.7 -0.33| 7.7 -2.5 5000 109 9 57 6| 1.5 1.5 3.0| 30.0 -63.4 -33.4 -6.7 -0.40| 7.6 -3.1 6000 122 10 75 5| 1.8 0.5 2.3| 47.4 -94.1 -46.7 -7.8 -0.35| 8.2 -2.8 Wrote GIF file: /home/apache/climate/data/raob//YBBN/skewt/YBBN.skewt.20250425.11.gif