UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042023.upa.cvt Date: 2300Z 20 APR 25 Searching for Y4995... Searching the city database file for: Y4995 ... Date:2300Z 20 APR 25 Station: Y4995 WMO ident: 94995 Latitude: -31.53 Longitude: 159.07 ------------------------------------------------------------------------------- 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 9 23.4 18.5 74 4.9 20.1 335 3 295.2 297.6 292.6 333.4 13.30 1 1013 34 22.0 17.0 73 5.0 18.7 323 3 294.1 296.2 291.3 328.7 12.12 2 1000 146 21.0 16.8 77 4.2 18.2 270 2 294.1 296.3 291.4 328.8 12.12 3 935 724 15.6 15.4 99 0.2 15.5 343 5 294.4 296.5 291.2 328.2 11.85 4 929 778 15.4 14.0 91 1.4 14.5 350 6 294.7 296.6 290.5 325.9 10.88 5 925 815 15.6 12.1 80 3.5 13.4 355 6 295.3 297.0 289.7 323.0 9.63 6 907 982 16.2 5.2 48 11.0 10.1 26 4 297.5 298.7 287.3 315.6 6.12 7 858 1453 14.0 2.0 44 12.0 7.6 34 3 300.0 300.9 287.2 315.4 5.15 8 850 1532 13.4 2.4 47 11.0 7.5 35 3 300.2 301.2 287.5 316.2 5.35 9 718 2920 0.6 -2.2 81 2.8 -0.7 329 3 301.0 301.8 286.9 314.6 4.53 10 708 3033 0.0 -6.0 64 6.0 -2.6 324 3 301.5 302.1 286.1 312.0 3.45 11 700 3124 0.8 -17.2 25 18.0 -5.1 320 3 303.4 303.6 284.5 307.9 1.42 12 693 3205 1.2 -21.8 16 23.0 -5.7 330 3 304.7 304.9 284.5 307.9 0.96 13 687 3274 1.6 -20.4 18 22.0 -5.3 338 3 305.9 306.1 285.1 309.5 1.10 14 622 4066 -3.7 -19.7 28 16.0 -8.7 304 15 308.6 308.9 286.4 312.9 1.29 15 598 4376 -4.3 -42.3 3 38.0 -11.2 310 20 311.4 311.5 286.1 312.0 0.15 16 562 4862 -6.9 -31.9 12 25.0 -12.5 309 16 314.0 314.0 287.3 315.6 0.47 17 550 5030 -5.9 -35.9 7 30.0 -12.2 306 19 317.1 317.1 288.2 318.3 0.32 18 533 5275 -8.1 -28.1 18 20.0 -13.0 299 23 317.3 317.4 288.6 319.8 0.71 19 511 5602 -8.5 -49.5 2 41.0 -14.7 290 29 320.7 320.7 289.0 321.0 0.08 20 500 5770 -9.3 -50.3 2 41.0 -15.3 285 32 321.7 321.7 289.3 322.0 0.08 21 400 7460 -21.9 -46.9 8 25.0 -24.9 280 44 326.5 326.6 290.9 327.1 0.14 22 366 8106 -26.5 -52.5 7 26.0 -28.8 276 47 328.8 328.8 291.5 329.1 0.08 23 343 8572 -28.3 -49.3 12 21.0 -30.3 278 71 332.5 332.5 292.5 333.0 0.12 24 333 8784 -27.3 -58.3 4 31.0 -29.7 279 81 336.7 336.7 293.6 336.9 0.04 25 314 9205 -28.3 -51.3 9 23.0 -30.5 280 100 341.0 341.0 294.7 341.5 0.11 26 300 9530 -31.1 -51.1 12 20.0 -32.9 280 102 341.5 341.6 294.8 342.0 0.12 27 295 9649 -31.9 -49.9 15 18.0 -33.6 280 103 342.1 342.1 295.0 342.6 0.14 28 293 9697 -32.1 -44.1 29 12.0 -33.4 280 103 342.4 342.5 295.1 343.5 0.26 29 283 9941 -33.1 -57.1 7 24.0 -34.8 279 104 344.4 344.4 295.4 344.7 0.06 30 250 10800 -38.7 -63.7 5 25.0 -39.9 275 106 348.5 348.5 296.3 348.7 0.03 31 238 11137 -40.1 -69.1 3 29.0 -41.2 272 109 351.4 351.4 297.0 351.4 0.01 32 233 11282 -41.3 -68.3 4 27.0 -42.3 271 111 351.7 351.7 297.0 351.7 0.02 33 228 11429 -42.6 -68.9 4 26.3 -43.5 270 112 351.9 351.9 297.1 352.0 0.02 34 200 12300 -50.3 -72.3 6 22.0 -50.8 275 108 353.1 353.1 297.3 353.2 0.01 35 174 13191 -58.1 -75.1 10 17.0 -58.3 275 105 354.6 354.6 297.6 354.6 0.01 36 150 14110 -64.5 -81.5 8 17.0 -64.6 275 101 359.0 359.0 298.5 359.0 0.00 37 134 14796 -67.9 -85.9 6 18.0 -68.0 275 96 364.7 364.7 299.6 364.7 0.00 38 115 15710 -70.9 -86.9 8 16.0 -70.9 265 65 375.4 375.4 301.5 375.4 0.00 39 100 16540 -70.9 -88.9 5 18.0 -71.0 275 41 390.7 390.7 303.9 390.7 0.00 40 98 16659 -71.1 -89.1 5 18.0 -71.2 275 41 392.6 392.6 304.2 392.6 0.00 41 70 18660 -68.1 -90.1 3 22.0 -68.2 305 18 438.7 438.7 309.7 438.7 0.00 42 62 19388 -69.3 -91.3 3 22.0 -69.4 244 16 451.5 451.5 311.0 451.5 0.00 43 50 20690 -64.5 -90.5 2 26.0 -64.8 135 12 491.5 491.5 314.3 491.5 0.00 44 41 21908 -63.3 -90.3 1 27.0 -63.8 112 10 523.2 523.2 316.5 523.2 0.00 45 35 22898 -56.5 -88.5 1 32.0 -57.7 93 9 565.1 565.1 318.9 565.2 0.00 46 30 23880 -55.3 -88.3 1 33.0 -56.8 75 8 593.9 593.9 320.3 593.9 0.01 47 24 25314 -51.9 -86.9 1 35.0 -54.5 64 5 642.9 642.9 322.4 643.0 0.01 48 20 26500 -49.9 -85.9 1 36.0 -53.4 55 2 683.4 683.4 323.9 683.5 0.01 49 15 28383 -48.9 -86.9 0 38.0 -53.5 128 6 745.4 745.4 325.8 745.5 0.01 50 12 29862 -44.5 -84.5 0 40.0 -51.7 184 9 810.1 810.1 327.5 810.3 0.03 51 10 31080 -45.5 -84.5 0 39.0 -53.0 230 12 849.7 849.7 328.4 850.0 0.03 52 6.3 34204 -39.1 -81.1 0 42.0 -52.2 997.0 997.1 331.1 998.0 0.09 TRP 115 15710 -70.9 -86.9 8 16.0 -70.9 265 65 375.4 375.4 301.5 375.4 0.00 WND 228 11429 -42.6 -68.9 4 26.3 -43.5 270 112 351.9 351.9 297.1 352.0 0.02 Sounding variables and indices 1000-500 mb thick: 5624.00 m Freezing level: 667.38 mb = 3513.38 m = 11526.71 ft Wetbulb zero: 729.85 mb = 2785.47 m = 9138.56 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 41.55 % Est. max temperature: 27.81 C = 82.05 F Sfc-Lift cond lev (LCL): 945.69 mb = 625.87 m = 2053.34 ft T: 16.51 C 700-500 lapse rate: 3.82 C/km ThetaE index: 13.37 C Layer 935.0- 850.0 mb Conv cond level (CCL): 853.75 mb = 1494.86 m = 4904.34 ft Mean mixing ratio: 11.60 g/kg Conv temperature: 28.31 C = 82.96 F Cap Strength: 2.76 C Lifted Index: 3.04 C Risk: None Lifted Index @300 mb: 10.72 C Lifted Index @700 mb: -2.68 C Showalter Index: 9.25 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 11.70 C K Index: 7.10 Risk: None Sweat Index: 66.80 Risk: None Energy Index: 1.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 174.78 J/kg Max Up Vert Vel: 18.70 m/s Conv Inhibition (B-): 61.00 J/kg Cap Strength: 2.84 C Lift Cond Lev (LCL): 926.91 mb = 797.46 m = 2616.32 ft Lev Free Conv (LFC): 801.91 mb = 2011.06 m = 6597.88 ft Equ Level (EL): 561.91 mb = 4863.19 m = 15955.16 ft B at Equ Level: 174.45 J/kg Max Parcel Lev (MPL): 431.91 mb = 6878.73 m = 22567.75 ft Wind level data Storm motion: 338 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 1016 9 335 3 1.3 -2.7 | 160 5 -1.6 4.3 1 1000 146 270 2 2.0 -0.0 | 173 7 -0.9 7.1 2 925 815 355 6 0.5 -6.0 | 115 3 -2.3 1.1 3 914 914 25 4 -1.7 -3.6 | 127 6 -4.5 3.4 4 850 1532 35 3 -1.7 -2.5 | 135 6 -4.6 4.6 5 790 2134 5 4 -0.3 -4.0 | 134 4 -3.2 3.1 6 700 3124 320 3 1.9 -2.3 | 169 5 -0.9 4.8 7 654 3658 25 3 -1.3 -2.7 | 137 6 -4.1 4.3 8 629 3962 300 12 10.4 -6.0 | 262 8 7.5 1.1 9 605 4267 315 21 14.8 -14.8 | 303 14 12.0 -7.8 10 582 4572 300 18 15.6 -9.0 | 279 13 12.7 -1.9 11 560 4877 310 16 12.3 -10.3 | 289 10 9.4 -3.2 12 500 5770 285 32 30.9 -8.3 | 272 28 28.1 -1.2 13 499 5791 285 29 28.0 -7.5 | 271 25 25.2 -0.4 14 442 6706 290 33 31.0 -11.3 | 279 28 28.2 -4.2 15 408 7315 270 41 41.0 -0.0 | 260 39 38.1 7.1 16 400 7460 280 44 43.3 -7.6 | 271 40 40.5 -0.6 17 391 7620 280 44 43.3 -7.6 | 271 40 40.5 -0.6 18 375 7925 275 38 37.9 -3.3 | 264 35 35.0 3.8 19 317 9144 280 100 98.5 -17.4 | 276 96 95.6 -10.3 20 300 9530 280 102 100.5 -17.7 | 276 98 97.6 -10.6 21 291 9754 280 104 102.4 -18.1 | 276 100 99.6 -11.0 22 250 10800 275 106 105.6 -9.2 | 271 103 102.7 -2.2 23 228 11429 270 112 112.0 -0.0 | 266 109 109.1 7.1 24 223 11582 270 112 112.0 -0.0 | 266 109 109.1 7.1 25 200 12300 275 108 107.6 -9.4 | 271 105 104.7 -2.3 26 150 14110 275 101 100.6 -8.8 | 271 98 97.8 -1.7 27 131 14935 275 95 94.6 -8.3 | 271 92 91.8 -1.2 28 115 15710 265 65 64.8 5.7 | 258 63 61.9 12.7 29 107 16154 260 58 57.1 10.1 | 252 57 54.3 17.1 30 100 16540 275 41 40.8 -3.6 | 265 38 38.0 3.5 31 96 16764 275 41 40.8 -3.6 | 265 38 38.0 3.5 32 70 18660 305 18 14.7 -10.3 | 285 12 11.9 -3.3 33 50 20690 135 12 -8.5 8.5 | 144 19 -11.3 15.6 34 30 23880 75 8 -7.7 -2.1 | 115 12 -10.6 5.0 35 20 26500 55 2 -1.6 -1.1 | 143 7 -4.5 5.9 36 10 31080 230 12 9.2 7.7 | 203 16 6.3 14.8 Wind Parameters Mean winds (0-6000m): 308.0 at 10.2 knts Storm direction: 338.0 at 7.6 knts Shear (0-3000m) pos: 0.8 neg: 0.9 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 6.6 deg Storm rel helicity (0-3000m) pos: 8.1 neg: -2.4 tot: 5.7 m^2/s^2 ave: 1.9 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 25.11 Bulk Shear: 6.96 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 ------------------------------------------------------------------------------- 500 303 3 176 5| 0.0 1.7 1.7| 3.2 -0.1 3.2 6.3 0.38| 5.6 2.1 1000 344 4 152 4| 2.4 0.8 3.2| 4.2 -2.1 2.1 2.1 0.00| 6.6 0.0 1500 0 4 139 4| 1.6 0.6 2.2| 5.3 -2.1 3.2 2.2 0.05| 4.7 0.3 2000 6 4 137 5| 1.2 0.8 2.0| 5.3 -2.4 2.9 1.5 0.03| 3.9 0.1 2500 5 4 137 5| 1.0 0.9 1.8| 6.7 -2.4 4.3 1.7 0.10| 3.5 0.4 3000 0 4 140 4| 0.8 0.9 1.7| 8.1 -2.4 5.7 1.9 0.17| 3.1 0.5 4000 350 4 146 4| 0.9 2.2 3.1| 8.4 -8.5 -0.1 -0.0 -0.26| 5.2 -1.3 5000 325 7 216 2| 0.5 1.8 2.3| 29.1 -25.6 3.5 0.7 -0.14| 5.9 -0.8 6000 308 10 261 5| 0.4 2.6 3.1| 34.2 -61.0 -26.8 -4.5 -0.18| 6.5 -1.2 Wrote GIF file: /home/apache/climate/data/raob//Y4995/skewt/Y4995.skewt.20250420.23.gif