UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for YSSY... Searching the city database file for: YSSY ... Date:0000Z 27 APR 25 Station: YSSY WMO ident: 94767 Latitude: -33.95 Longitude: 151.18 Elevation: 3.00 ------------------------------------------------------------------------------- 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 1011 3 21.0 17.4 80 3.6 18.6 120 10 293.2 295.5 291.3 328.7 12.46 1 1000 97 20.6 15.6 73 5.0 17.4 120 19 293.8 295.8 290.5 325.8 11.21 2 934 683 15.2 14.3 94 0.9 14.6 120 26 294.0 296.0 290.5 325.6 11.03 3 925 765 14.6 12.8 89 1.8 13.5 125 26 294.2 296.0 289.7 323.2 10.09 4 850 1475 9.4 8.0 91 1.4 8.6 145 28 296.0 297.4 288.4 319.0 7.94 5 806 1913 6.2 3.9 85 2.3 5.0 149 27 297.1 298.3 287.3 315.6 6.29 6 788 2098 5.4 -2.6 56 8.0 1.7 146 26 298.2 298.9 285.4 310.2 4.01 7 778 2203 5.8 -12.2 26 18.0 -1.0 142 26 299.7 300.1 283.7 305.7 1.92 8 768 2309 5.6 -20.4 13 26.0 -2.6 138 27 300.6 300.8 282.9 303.8 0.98 9 709 2957 0.4 -8.6 51 9.0 -3.2 123 29 301.8 302.3 285.5 310.5 2.81 10 701 3048 -0.3 -12.3 40 12.0 -4.7 125 30 302.0 302.4 284.8 308.7 2.12 11 700 3059 -0.5 -10.5 47 10.0 -4.3 125 30 301.9 302.4 285.1 309.6 2.45 12 697 3093 -0.9 -6.9 64 6.0 -3.4 126 30 301.9 302.5 286.0 311.9 3.27 13 676 3337 -2.9 -5.7 81 2.8 -4.1 134 32 302.3 303.0 286.6 313.6 3.70 14 656 3575 -1.7 -1.7 100 0.0 -1.7 114 33 306.2 307.2 289.3 322.0 5.15 15 500 5690 -13.3 -14.5 91 1.2 -13.7 115 32 316.8 317.3 290.3 325.0 2.49 16 460 6323 -17.1 -18.8 87 1.7 -17.6 111 28 319.7 320.1 290.6 326.1 1.88 17 400 7360 -24.5 -26.5 83 2.0 -24.9 90 21 323.1 323.4 290.9 327.0 1.10 18 398 7396 -24.7 -26.5 85 1.8 -25.1 90 21 323.3 323.6 290.9 327.2 1.10 19 335 8627 -33.9 -37.3 71 3.4 -34.3 71 23 327.1 327.2 291.4 328.8 0.46 20 319 8968 -37.1 -38.4 88 1.3 -37.2 54 21 327.3 327.4 291.4 328.9 0.43 21 315 9055 -37.5 -42.0 63 4.5 -37.9 50 20 327.9 328.0 291.5 329.1 0.30 22 300 9390 -40.3 -43.2 74 2.9 -40.5 55 23 328.6 328.6 291.6 329.6 0.28 23 280 9854 -44.3 -45.1 92 0.8 -44.3 51 29 329.4 329.4 291.8 330.3 0.24 24 256 10446 -49.3 -52.3 71 3.0 -49.4 46 37 330.5 330.5 292.0 331.0 0.12 25 250 10600 -50.9 -52.3 85 1.4 -51.0 45 39 330.4 330.4 291.9 330.9 0.12 26 242 10810 -52.7 -53.7 89 1.0 -52.7 45 42 330.8 330.8 292.0 331.2 0.11 27 237 10945 -54.1 -55.9 80 1.8 -54.2 45 45 330.6 330.7 292.0 331.0 0.08 28 223 11333 -55.5 -58.6 68 3.1 -55.6 20 36 334.3 334.3 292.9 334.6 0.06 29 209 11747 -54.1 -81.1 2 27.0 -54.4 350 37 342.8 342.8 295.0 342.8 0.00 30 200 12030 -52.7 -76.7 4 24.0 -53.1 300 41 349.3 349.3 296.5 349.3 0.01 31 186 12504 -50.1 -79.1 2 29.0 -50.6 300 42 360.8 360.8 298.9 360.9 0.00 32 150 13900 -54.9 -82.9 2 28.0 -55.3 285 49 375.5 375.5 301.5 375.5 0.00 33 111 15801 -60.9 -86.9 2 26.0 -61.2 283 44 398.0 398.0 304.9 398.0 0.00 34 100 16450 -61.1 -87.1 2 26.0 -61.4 285 24 409.7 409.7 306.5 409.7 0.00 35 75 18211 -65.9 -88.9 3 23.0 -66.1 289 17 434.7 434.7 309.3 434.7 0.00 36 70 18630 -64.9 -88.9 2 24.0 -65.1 290 15 445.5 445.5 310.4 445.5 0.00 37 64 19181 -63.3 -89.3 2 26.0 -63.6 299 13 460.6 460.6 311.8 460.6 0.00 38 60 19576 -65.7 -89.7 2 24.0 -66.0 306 11 463.8 463.8 312.1 463.8 0.00 39 53 20344 -59.1 -88.1 1 29.0 -59.7 319 8 495.9 495.9 314.7 495.9 0.00 40 50 20710 -59.9 -87.9 1 28.0 -60.5 325 7 502.3 502.3 315.1 502.3 0.00 41 41 21947 -61.1 -89.1 1 28.0 -61.7 302 7 528.7 528.7 316.8 528.7 0.00 42 30 23920 -54.1 -86.1 1 32.0 -55.8 265 7 597.2 597.2 320.5 597.2 0.01 43 26 24841 -52.7 -85.7 1 33.0 -54.9 626.1 626.1 321.7 626.1 0.01 TRP 223 11333 -55.5 -58.6 68 3.1 -55.6 20 36 334.3 334.3 292.9 334.6 0.06 WND Sounding variables and indices 1000-500 mb thick: 5593.00 m Freezing level: 704.43 mb = 3008.58 m = 9870.55 ft Wetbulb zero: 781.77 mb = 2163.25 m = 7097.20 ft Precipitable water: 1.29 inches Sfc-500 mean rel hum: 79.96 % Est. max temperature: 23.51 C = 74.32 F Sfc-Lift cond lev (LCL): 958.90 mb = 457.10 m = 1499.64 ft T: 17.28 C 700-500 lapse rate: 4.87 C/km ThetaE index: 24.91 C Layer 1000.0- 709.0 mb Conv cond level (CCL): 914.31 mb = 862.64 m = 2830.14 ft Mean mixing ratio: 10.96 g/kg Conv temperature: 22.25 C = 72.06 F Cap Strength: 0.36 C Lifted Index: 0.27 C Risk: Showers probable Lifted Index @300 mb: 3.04 C Lifted Index @700 mb: -3.07 C Showalter Index: 3.61 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 21.30 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 184.00 Risk: None Energy Index: 1.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 237.39 J/kg Max Up Vert Vel: 21.79 m/s Conv Inhibition (B-): 1.55 J/kg Cap Strength: 0.36 C Lift Cond Lev (LCL): 921.69 mb = 795.09 m = 2608.54 ft Lev Free Conv (LFC): 906.69 mb = 932.86 m = 3060.54 ft Equ Level (EL): 506.69 mb = 5586.47 m = 18328.09 ft B at Equ Level: 236.60 J/kg Max Parcel Lev (MPL): 306.69 mb = 9238.64 m = 30310.14 ft Wind level data Storm motion: 155 at 23 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 1011 3 120 10 -8.7 5.0 | 356 16 1.1 -15.5 1 1000 97 120 19 -16.5 9.5 | 31 13 -6.7 -11.0 2 976 305 120 27 -23.4 13.5 | 63 15 -13.6 -7.0 3 942 610 115 26 -23.6 11.0 | 55 17 -13.8 -9.5 4 925 765 125 26 -21.3 14.9 | 64 13 -11.6 -5.6 5 909 914 130 26 -19.9 16.7 | 69 11 -10.2 -3.8 6 850 1475 145 28 -16.1 22.9 | 111 7 -6.3 2.4 7 814 1829 150 28 -14.0 24.2 | 131 6 -4.3 3.7 8 784 2134 145 26 -14.9 21.3 | 98 5 -5.2 0.8 9 728 2743 120 28 -24.2 14.0 | 66 16 -14.5 -6.5 10 700 3059 125 30 -24.6 17.2 | 77 15 -14.8 -3.3 11 674 3353 135 32 -22.6 22.6 | 99 13 -12.9 2.1 12 648 3658 105 33 -31.9 8.5 | 62 25 -22.1 -12.0 13 600 4267 115 35 -31.7 14.8 | 75 23 -22.0 -5.7 14 577 4572 125 38 -31.1 21.8 | 93 21 -21.4 1.3 15 500 5690 115 32 -29.0 13.5 | 70 20 -19.3 -7.0 16 474 6096 120 32 -27.7 16.0 | 76 19 -18.0 -4.5 17 437 6706 95 21 -20.9 1.8 | 31 22 -11.2 -18.7 18 400 7360 90 21 -21.0 0.0 | 29 23 -11.3 -20.5 19 354 8230 80 16 -15.8 -2.8 | 14 24 -6.0 -23.3 20 339 8534 75 24 -23.2 -6.2 | 27 30 -13.4 -26.7 21 311 9144 45 19 -13.4 -13.4 | 6 34 -3.7 -34.0 22 300 9390 55 23 -18.8 -13.2 | 15 35 -9.1 -33.7 23 250 10600 45 39 -27.6 -27.6 | 20 51 -17.8 -48.1 24 236 10973 45 45 -31.8 -31.8 | 23 57 -22.1 -52.4 25 223 11333 20 36 -12.3 -33.8 | 3 54 -2.6 -54.4 26 214 11582 25 40 -16.9 -36.3 | 7 57 -7.2 -56.8 27 205 11887 320 35 22.5 -26.8 | 326 57 32.2 -47.3 28 200 12030 300 41 35.5 -20.5 | 312 61 45.3 -41.0 29 195 12192 295 42 38.1 -17.7 | 309 61 47.8 -38.3 30 178 12802 305 42 34.4 -24.1 | 315 63 44.2 -44.6 31 169 13106 295 47 42.6 -19.9 | 308 66 52.3 -40.4 32 162 13411 295 40 36.3 -16.9 | 309 59 46.0 -37.4 33 150 13900 285 49 47.3 -12.7 | 300 66 57.1 -33.2 34 147 14021 290 54 50.7 -18.5 | 303 72 60.5 -39.0 35 134 14630 270 42 42.0 -0.0 | 292 56 51.7 -20.5 36 121 15240 265 38 37.9 3.3 | 290 51 47.6 -17.2 37 115 15545 295 33 29.9 -13.9 | 311 53 39.7 -34.5 38 110 15850 280 46 45.3 -8.0 | 297 62 55.0 -28.5 39 105 16154 275 31 30.9 -2.7 | 300 47 40.6 -23.2 40 100 16450 285 24 23.2 -6.2 | 309 42 32.9 -26.7 41 100 16459 290 21 19.7 -7.2 | 313 40 29.5 -27.7 42 95 16764 285 24 23.2 -6.2 | 309 42 32.9 -26.7 43 70 18630 290 15 14.1 -5.1 | 317 35 23.8 -25.7 44 50 20710 325 7 4.0 -5.7 | 332 30 13.8 -26.3 45 30 23920 265 7 7.0 0.6 | 320 26 16.7 -19.9 Wind Parameters Mean winds (0-6000m): 124.6 at 30.3 knts Storm direction: 154.6 at 22.7 knts Shear (0-3000m) pos: 2.4 neg: 4.3 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 79.2 deg Storm rel helicity (0-3000m) pos: 95.6 neg: -25.5 tot: 70.1 m^2/s^2 ave: 23.4 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 3.4 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 29.14 Bulk Shear: 8.15 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 ------------------------------------------------------------------------------- 500 119 23 47 14| 0.0 16.8 16.8| 57.8 -5.4 52.4 104.9 0.80| 19.3 15.5 1000 121 24 55 14| 3.7 8.4 12.1| 72.1 -8.3 63.8 63.8 0.67| 14.1 9.5 1500 128 25 64 11| 4.6 5.6 10.3| 83.6 -8.3 75.3 50.2 0.70| 11.6 8.2 2000 133 26 74 10| 3.6 4.2 7.8| 86.6 -10.5 76.1 38.0 0.64| 9.7 6.2 2500 135 26 76 9| 2.9 4.4 7.2| 86.6 -19.5 67.1 26.9 0.42| 9.5 4.0 3000 133 26 75 10| 2.4 4.3 6.7| 95.6 -25.5 70.1 23.4 0.38| 9.0 3.4 4000 128 28 76 13| 1.8 4.2 6.0|132.4 -78.6 53.9 13.5 0.22| 9.9 2.2 5000 126 30 78 15| 2.2 3.3 5.4|186.9 -95.9 91.0 18.2 0.26| 9.2 2.4 6000 125 30 78 16| 1.9 2.7 4.6|194.6-123.7 70.8 11.8 0.20| 8.3 1.7 Wrote GIF file: /home/apache/climate/data/raob//YSSY/skewt/YSSY.skewt.20250427.00.gif