UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042723.upa.cvt Date: 2300Z 27 APR 25 Searching for Y4711... Searching the city database file for: Y4711 ... Date:2300Z 27 APR 25 Station: Y4711 WMO ident: 94711 Latitude: -31.48 Longitude: 145.82 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 149 SFC 987 261 17.0 14.8 87 2.2 15.6 145 6 291.2 293.1 289.3 321.7 10.78 2 967 435 14.6 13.8 95 0.8 14.1 135 8 290.5 292.3 288.6 319.6 10.30 3 957 523 17.6 11.6 68 6.0 13.9 130 10 294.4 296.0 288.8 320.3 8.99 4 925 813 16.0 11.0 72 5.0 13.0 130 5 295.7 297.3 289.2 321.5 8.94 5 876 1273 12.2 9.4 83 2.8 10.5 162 3 296.4 297.9 289.0 321.0 8.48 6 850 1525 11.2 2.2 54 9.0 6.5 185 3 297.9 298.8 286.6 313.5 5.28 7 849 1535 11.2 2.2 54 9.0 6.5 185 3 298.0 298.9 286.6 313.6 5.28 8 810 1926 8.0 5.1 82 2.9 6.4 172 4 298.6 299.9 288.3 318.7 6.81 9 704 3072 1.8 -2.5 73 4.3 -0.3 226 4 304.0 304.8 288.0 317.8 4.52 10 700 3118 2.0 -5.0 60 7.0 -1.2 230 4 304.7 305.4 287.5 316.3 3.76 11 693 3199 2.6 -9.4 41 12.0 -2.3 236 5 306.2 306.7 287.0 314.7 2.70 12 677 3388 1.8 -10.2 41 12.0 -3.1 250 7 307.4 307.9 287.3 315.6 2.60 13 631 3953 0.4 -21.6 17 22.0 -6.5 268 13 312.1 312.3 287.3 315.7 1.08 14 520 5478 -8.9 -49.9 2 41.0 -14.9 280 21 318.6 318.6 288.4 318.9 0.08 15 500 5780 -11.3 -39.3 8 28.0 -16.3 275 23 319.3 319.3 288.8 320.2 0.25 16 455 6493 -17.1 -48.1 5 31.0 -21.0 275 23 320.7 320.7 289.1 321.1 0.11 17 444 6675 -18.7 -40.7 13 22.0 -22.0 275 23 321.0 321.0 289.3 321.9 0.25 18 441 6726 -19.1 -29.1 41 10.0 -21.2 275 23 321.1 321.2 289.9 323.8 0.78 19 400 7440 -25.9 -29.4 72 3.5 -26.5 290 35 321.3 321.5 290.0 324.3 0.84 20 389 7642 -27.7 -30.6 76 2.9 -28.2 290 36 321.5 321.7 290.0 324.3 0.77 21 386 7698 -27.7 -35.7 46 8.0 -28.8 289 37 322.3 322.3 290.0 324.0 0.47 22 376 7886 -28.7 -46.7 16 18.0 -30.4 287 41 323.4 323.4 289.9 323.9 0.15 23 366 8079 -30.3 -50.3 12 20.0 -31.9 285 45 323.7 323.8 290.0 324.1 0.10 24 356 8277 -29.5 -58.5 4 29.0 -31.4 283 48 327.4 327.4 291.0 327.5 0.04 25 313 9186 -36.1 -62.1 5 26.0 -37.3 273 66 330.5 330.5 291.9 330.6 0.03 26 300 9480 -37.3 -65.3 4 28.0 -38.5 270 68 332.8 332.8 292.5 332.9 0.02 27 279 9974 -40.3 -67.3 4 27.0 -41.2 275 78 335.5 335.5 293.2 335.5 0.02 28 265 10324 -38.9 -70.9 2 32.0 -40.1 275 98 342.5 342.5 294.9 342.5 0.01 29 255 10585 -39.4 -70.8 2 31.3 -40.6 275 113 345.5 345.5 295.6 345.5 0.01 30 250 10720 -39.7 -70.7 2 31.0 -40.8 275 111 347.0 347.0 296.0 347.1 0.01 31 230 11288 -42.1 -74.1 2 32.0 -43.0 273 109 351.8 351.8 297.0 351.8 0.01 32 200 12220 -48.9 -76.9 2 28.0 -49.4 270 105 355.3 355.3 297.8 355.4 0.01 33 188 12623 -51.7 -77.7 3 26.0 -52.1 269 102 357.2 357.2 298.1 357.2 0.01 34 150 14060 -59.3 -83.3 3 24.0 -59.5 255 71 367.9 367.9 300.2 367.9 0.00 35 123 15277 -68.3 -86.3 6 18.0 -68.4 272 61 373.0 373.0 301.1 373.0 0.00 36 112 15836 -70.5 -87.5 6 17.0 -70.6 280 47 379.0 379.0 302.1 379.0 0.00 37 100 16510 -70.1 -88.1 5 18.0 -70.2 280 25 392.3 392.3 304.1 392.3 0.00 38 95 16815 -71.3 -89.3 5 18.0 -71.3 283 25 395.7 395.7 304.6 395.7 0.00 39 73 18396 -66.3 -89.3 3 23.0 -66.5 358 20 437.3 437.3 309.6 437.3 0.00 40 70 18650 -67.5 -89.5 3 22.0 -67.7 10 19 440.0 440.0 309.8 440.0 0.00 41 66 19001 -69.5 -89.5 4 20.0 -69.6 36 16 443.1 443.1 310.2 443.1 0.00 42 50 20690 -60.1 -88.1 1 28.0 -60.7 160 3 501.9 501.9 315.1 501.9 0.00 43 48 20944 -59.7 -88.7 1 29.0 -60.3 155 3 508.7 508.7 315.5 508.7 0.00 44 39 22231 -62.5 -89.5 1 27.0 -63.0 128 3 532.7 532.7 317.1 532.8 0.00 45 36 22729 -58.1 -88.1 1 30.0 -59.0 118 3 556.5 556.5 318.5 556.5 0.00 46 30 23880 -56.3 -87.3 1 31.0 -57.7 95 3 591.2 591.2 320.2 591.2 0.01 47 26 24787 -55.9 -86.9 1 31.0 -57.5 37 7 617.0 617.0 321.3 617.0 0.01 48 20 26480 -48.5 -83.5 1 35.0 -52.4 290 13 687.7 687.7 324.0 687.9 0.02 49 18 27175 -47.1 -83.1 1 36.0 -51.8 713.2 713.2 324.8 713.4 0.02 50 13 29313 -50.7 -85.7 1 35.0 -55.1 770.3 770.3 326.5 770.4 0.02 TRP 112 15836 -70.5 -87.5 6 17.0 -70.6 280 47 379.0 379.0 302.1 379.0 0.00 WND 255 10585 -39.4 -70.8 2 31.3 -40.6 275 113 345.5 345.5 295.6 345.5 0.01 Sounding variables and indices 1000-500 mb thick: 5631.00 m Freezing level: 626.23 mb = 4018.71 m = 13184.59 ft Wetbulb zero: 708.34 mb = 3021.77 m = 9913.84 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 46.23 % Est. max temperature: 23.91 C = 75.04 F Sfc-Lift cond lev (LCL): 955.34 mb = 537.87 m = 1764.64 ft T: 17.52 C 700-500 lapse rate: 5.00 C/km ThetaE index: 8.00 C Layer 876.0- 849.0 mb Conv cond level (CCL): 833.61 mb = 1686.88 m = 5534.31 ft Mean mixing ratio: 9.26 g/kg Conv temperature: 23.96 C = 75.13 F Cap Strength: 4.85 C Lifted Index: 4.56 C Risk: None Lifted Index @300 mb: 8.91 C Lifted Index @700 mb: 1.16 C Showalter Index: 8.84 C Risk: None Total Totals Index: 36.00 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 13.50 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 55.40 Risk: None Energy Index: 1.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.88 J/kg Max Up Vert Vel: 7.19 m/s Conv Inhibition (B-): 39128.71 J/kg Cap Strength: 4.85 C Lift Cond Lev (LCL): 881.88 mb = 1216.14 m = 3989.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 8 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 ---------------------------------------------------------- 0 987 261 145 6 -3.4 4.9 | 126 14 -11.0 7.9 1 947 610 125 11 -9.0 6.3 | 119 19 -16.6 9.3 2 925 813 130 5 -3.8 3.2 | 119 13 -11.4 6.2 3 914 914 130 4 -3.1 2.6 | 118 12 -10.6 5.6 4 850 1525 185 3 0.3 3.0 | 129 9 -7.3 6.0 5 789 2134 165 4 -1.0 3.9 | 129 11 -8.6 6.9 6 760 2438 170 2 -0.3 2.0 | 122 9 -7.9 5.0 7 700 3118 230 4 3.1 2.6 | 141 7 -4.5 5.6 8 654 3658 270 10 10.0 -0.0 | 219 4 2.4 3.0 9 605 4267 265 16 15.9 1.4 | 242 9 8.4 4.4 10 519 5486 280 21 20.7 -3.6 | 273 13 13.1 -0.6 11 500 5780 275 23 22.9 -2.0 | 266 15 15.4 1.0 12 442 6706 275 23 22.9 -2.0 | 266 15 15.4 1.0 13 424 7010 280 26 25.6 -4.5 | 275 18 18.1 -1.5 14 400 7440 290 35 32.9 -12.0 | 289 27 25.3 -9.0 15 390 7620 290 36 33.8 -12.3 | 289 28 26.3 -9.3 16 301 9449 270 71 71.0 -0.0 | 267 64 63.4 3.0 17 300 9480 270 68 68.0 -0.0 | 267 61 60.4 3.0 18 288 9754 275 65 64.8 -5.7 | 273 57 57.2 -2.6 19 255 10585 275 113 112.6 -9.8 | 274 105 105.0 -6.8 20 252 10668 275 113 112.6 -9.8 | 274 105 105.0 -6.8 21 250 10720 275 111 110.6 -9.7 | 274 103 103.0 -6.7 22 200 12220 270 105 105.0 -0.0 | 268 97 97.4 3.0 23 192 12497 270 105 105.0 -0.0 | 268 97 97.4 3.0 24 150 14060 255 71 68.6 18.4 | 251 65 61.0 21.4 25 144 14326 255 69 66.6 17.9 | 251 63 59.1 20.9 26 130 14935 275 57 56.8 -5.0 | 272 49 49.2 -1.9 27 118 15545 270 64 64.0 -0.0 | 267 57 56.4 3.0 28 112 15836 280 47 46.3 -8.2 | 278 39 38.7 -5.1 29 100 16510 280 25 24.6 -4.3 | 274 17 17.1 -1.3 30 96 16764 280 25 24.6 -4.3 | 274 17 17.1 -1.3 31 70 18650 10 19 -3.3 -18.7 | 35 19 -10.9 -15.7 32 50 20690 160 3 -1.0 2.8 | 124 10 -8.6 5.8 33 30 23880 95 3 -3.0 0.3 | 107 11 -10.5 3.3 34 20 26480 290 13 12.2 -4.4 | 287 5 4.7 -1.4 Wind Parameters Mean winds (0-6000m): 261.8 at 10.8 knts Storm direction: 291.8 at 8.1 knts Shear (0-3000m) pos: 1.8 neg: 0.4 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 29.2 deg Storm rel helicity (0-3000m) pos: 15.6 neg: -12.5 tot: 3.1 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.62 Bulk Shear: 41.63 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 ------------------------------------------------------------------------------- 500 130 9 121 16| 0.0 1.9 1.9| 0.0 -8.3 -8.3 -16.6 -0.21| 9.0 -1.9 1000 133 6 121 14| 2.1 1.0 3.1| 4.6 -9.2 -4.6 -4.6 -0.05| 6.8 -0.3 1500 141 5 123 13| 1.7 0.6 2.3| 6.4 -9.2 -2.8 -1.9 0.00| 5.2 0.0 2000 146 5 125 12| 1.3 0.6 1.9| 6.4 -10.9 -4.5 -2.2 -0.03| 4.3 -0.1 2500 150 4 125 12| 1.4 0.5 1.9| 9.6 -12.5 -2.8 -1.1 0.01| 4.0 0.0 3000 160 4 128 11| 1.8 0.4 2.2| 15.6 -12.5 3.1 1.0 0.14| 4.0 0.6 4000 216 6 153 9| 2.2 0.3 2.5| 26.1 -12.5 13.7 3.4 0.31| 4.5 1.4 5000 249 8 183 6| 2.3 0.3 2.5| 39.9 -12.5 27.5 5.5 0.38| 4.2 1.6 6000 262 11 215 6| 1.9 0.5 2.4| 43.3 -18.1 25.2 4.2 0.34| 3.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//Y4711/skewt/Y4711.skewt.20250427.23.gif