UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120523.upa.cvt Date: 2300Z 5 DEC 25 Searching for YSSY... Searching the city database file for: YSSY ... Date:2300Z 5 DEC 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 1007 3 30.6 8.6 25 22.0 17.1 35 6 303.1 304.4 290.0 324.1 6.97 1 1000 65 29.4 10.4 31 19.0 17.5 360 8 302.5 304.0 290.6 326.2 7.93 2 925 755 25.6 6.6 30 19.0 14.3 305 20 305.5 306.7 290.5 325.5 6.62 3 879 1200 22.4 5.4 33 17.0 12.4 303 28 306.7 307.9 290.6 326.2 6.40 4 863 1360 23.0 4.0 29 19.0 12.0 298 33 308.9 310.0 290.9 327.1 5.91 5 850 1492 22.2 2.2 27 20.0 10.9 295 36 309.4 310.4 290.5 325.8 5.28 6 765 2395 15.8 -8.2 18 24.0 4.6 308 21 312.0 312.5 288.9 320.6 2.69 7 700 3138 8.4 -9.6 27 18.0 0.5 310 17 311.8 312.3 288.8 320.3 2.63 8 567 4830 -7.7 -11.9 72 4.2 -9.3 309 21 312.2 312.7 289.0 320.9 2.71 9 526 5411 -11.3 -13.1 87 1.8 -11.9 275 30 314.7 315.2 289.8 323.3 2.65 10 516 5559 -11.1 -13.5 82 2.4 -12.0 271 34 316.6 317.1 290.3 325.2 2.61 11 500 5800 -13.1 -14.4 90 1.3 -13.6 260 42 317.1 317.6 290.3 325.3 2.51 12 492 5923 -14.1 -15.1 92 1.0 -14.5 261 41 317.3 317.8 290.3 325.2 2.40 13 417 7156 -22.9 -23.7 93 0.8 -23.1 277 29 321.4 321.6 290.6 326.0 1.35 14 408 7315 -23.1 -29.1 58 6.0 -24.3 280 29 323.1 323.3 290.6 326.1 0.84 15 407 7333 -23.1 -30.1 53 7.0 -24.4 279 30 323.4 323.5 290.6 326.1 0.77 16 400 7460 -24.1 -30.1 58 6.0 -25.2 270 36 323.7 323.8 290.7 326.5 0.78 17 361 8197 -30.7 -32.2 87 1.5 -30.9 257 40 324.5 324.6 290.9 327.0 0.71 18 340 8619 -33.9 -36.7 76 2.8 -34.3 255 45 325.7 325.8 291.0 327.5 0.48 19 339 8639 -34.1 -40.1 55 6.0 -34.7 255 45 325.7 325.8 290.9 327.0 0.34 20 317 9104 -38.5 -40.4 82 1.9 -38.7 252 51 325.9 326.0 290.9 327.3 0.36 21 300 9480 -41.3 -46.3 58 5.0 -41.6 250 55 327.2 327.2 291.1 327.9 0.20 22 298 9525 -41.7 -47.7 52 6.0 -42.1 250 55 327.2 327.2 291.1 327.9 0.17 23 275 10064 -46.7 -49.6 72 2.9 -46.9 250 58 327.6 327.6 291.2 328.2 0.15 24 261 10409 -49.1 -56.1 44 7.0 -49.3 249 59 329.0 329.0 291.5 329.3 0.07 25 250 10690 -51.1 -58.1 43 7.0 -51.3 245 52 330.1 330.1 291.8 330.3 0.06 26 200 12100 -62.7 -67.6 52 4.9 -62.7 235 71 333.5 333.5 292.7 333.6 0.02 27 198 12162 -63.2 -68.9 46 5.6 -63.3 235 71 333.6 333.6 292.7 333.7 0.02 28 197 12193 -63.5 -69.5 44 6.0 -63.6 235 71 333.6 333.6 292.7 333.7 0.02 29 183 12646 -65.3 -68.7 63 3.4 -65.3 245 60 337.8 337.8 293.8 337.9 0.02 30 179 12782 -63.3 -73.3 25 10.0 -63.4 241 58 343.2 343.2 295.1 343.3 0.01 31 150 13880 -60.3 -82.3 4 22.0 -60.5 260 63 366.2 366.2 299.9 366.2 0.00 32 132 14671 -64.9 -84.9 5 20.0 -65.0 269 59 371.6 371.6 300.8 371.6 0.00 33 100 16360 -66.9 -86.9 4 20.0 -67.0 250 39 398.5 398.5 305.0 398.5 0.00 34 76 18022 -64.3 -88.3 2 24.0 -64.5 307 25 436.4 436.4 309.5 436.4 0.00 35 72 18350 -66.7 -88.7 3 22.0 -66.9 322 22 438.1 438.1 309.7 438.2 0.00 36 70 18520 -66.3 -89.3 3 23.0 -66.5 330 20 442.5 442.5 310.1 442.6 0.00 37 66 18877 -63.5 -88.5 2 25.0 -63.8 336 18 456.1 456.1 311.4 456.2 0.00 38 50 20580 -62.1 -89.1 2 27.0 -62.6 5 11 497.1 497.1 314.8 497.2 0.00 39 41 21810 -61.1 -89.1 1 28.0 -61.7 40 11 528.7 528.7 316.8 528.7 0.00 40 30 23780 -54.9 -86.9 1 32.0 -56.5 95 11 595.0 595.0 320.4 595.0 0.01 41 29 23997 -54.7 -85.7 1 31.0 -56.4 601.3 601.3 320.7 601.4 0.01 TRP 183 12646 -65.3 -68.7 63 3.4 -65.3 245 60 337.8 337.8 293.8 337.9 0.02 WND 198 12162 -63.2 -68.9 46 5.6 -63.3 235 71 333.6 333.6 292.7 333.7 0.02 Sounding variables and indices 1000-500 mb thick: 5735.00 m Freezing level: 630.61 mb = 4020.88 m = 13191.69 ft Wetbulb zero: 692.61 mb = 3223.25 m = 10574.85 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 43.13 % Est. max temperature: 36.60 C = 97.87 F Sfc-Lift cond lev (LCL): 730.46 mb = 2781.57 m = 9125.79 ft T: 11.95 C 700-500 lapse rate: 8.08 C/km ThetaE index: 6.85 C Layer 850.0- 567.0 mb Conv cond level (CCL): 649.15 mb = 3743.62 m = 12282.05 ft Mean mixing ratio: 7.16 g/kg Conv temperature: 39.54 C = 103.17 F Cap Strength: 6.94 C Lifted Index: 0.18 C Risk: Showers probable Lifted Index @300 mb: 1.69 C Lifted Index @700 mb: 5.63 C Showalter Index: 0.24 C Risk: Thunderstorms probable Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 35.30 C Cross Totals Index: 15.30 C K Index: 19.50 Risk: < 20 % chance of thunderstorms Sweat Index: 172.40 Risk: None Energy Index: -0.08 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.86 J/kg Max Up Vert Vel: 7.19 m/s Conv Inhibition (B-): 564.10 J/kg Cap Strength: 7.13 C Lift Cond Lev (LCL): 723.22 mb = 2864.91 m = 9399.21 ft Lev Free Conv (LFC): 578.22 mb = 4672.78 m = 15330.47 ft Equ Level (EL): 518.22 mb = 5525.61 m = 18128.42 ft B at Equ Level: 25.27 J/kg Max Parcel Lev (MPL): 398.22 mb = 7491.99 m = 24579.71 ft Wind level data Storm motion: 326 at 17 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 1007 3 35 6 -3.4 -4.9 | 125 16 -12.9 9.1 1 1000 65 360 8 -0.0 -8.0 | 122 11 -9.5 6.0 2 973 305 320 13 8.4 -10.0 | 164 4 -1.1 4.0 3 940 610 295 19 17.2 -8.0 | 232 10 7.7 5.9 4 925 755 305 20 16.4 -11.5 | 250 7 6.9 2.5 5 908 914 310 21 16.1 -13.5 | 266 7 6.6 0.5 6 850 1492 295 36 32.6 -15.2 | 273 23 23.1 -1.2 7 847 1524 295 38 34.4 -16.1 | 275 25 25.0 -2.1 8 788 2134 300 23 19.9 -11.5 | 257 11 10.4 2.5 9 760 2438 310 20 15.3 -12.9 | 259 6 5.8 1.1 10 733 2743 295 20 18.1 -8.5 | 237 10 8.6 5.5 11 700 3138 310 17 13.0 -10.9 | 229 5 3.5 3.0 12 681 3353 315 16 11.3 -11.3 | 215 3 1.8 2.7 13 631 3962 305 15 12.3 -8.6 | 208 6 2.8 5.4 14 607 4267 305 16 13.1 -9.2 | 217 6 3.6 4.8 15 562 4877 310 22 16.9 -14.1 | 271 7 7.4 -0.2 16 541 5182 280 24 23.6 -4.2 | 235 17 14.2 9.8 17 501 5791 265 41 40.8 3.6 | 241 36 31.4 17.5 18 500 5800 260 42 41.4 7.3 | 236 38 31.9 21.3 19 425 7010 275 29 28.9 -2.5 | 239 23 19.4 11.4 20 408 7315 280 29 28.6 -5.0 | 245 21 19.1 8.9 21 400 7460 270 36 36.0 -0.0 | 242 30 26.5 14.0 22 391 7620 260 34 33.5 5.9 | 230 31 24.0 19.9 23 300 9480 250 55 51.7 18.8 | 232 53 42.2 32.8 24 263 10363 250 60 56.4 20.5 | 234 58 46.9 34.5 25 251 10668 245 52 47.1 22.0 | 226 52 37.6 36.0 26 250 10690 245 52 47.1 22.0 | 226 52 37.6 36.0 27 200 12100 235 71 58.2 40.7 | 222 73 48.7 54.7 28 198 12162 235 71 58.2 40.7 | 222 73 48.7 54.7 29 188 12497 235 71 58.2 40.7 | 222 73 48.7 54.7 30 183 12646 245 60 54.4 25.4 | 229 60 44.9 39.3 31 178 12802 240 58 50.2 29.0 | 223 59 40.8 43.0 32 170 13106 255 70 67.6 18.1 | 241 66 58.1 32.1 33 150 13880 260 63 62.0 10.9 | 245 58 52.6 24.9 34 120 15240 275 56 55.8 -4.9 | 259 47 46.3 9.1 35 103 16154 245 46 41.7 19.4 | 224 46 32.2 33.4 36 100 16360 250 39 36.6 13.3 | 225 39 27.2 27.3 37 94 16764 250 39 36.6 13.3 | 225 39 27.2 27.3 38 70 18520 330 20 10.0 -17.3 | 351 3 0.5 -3.3 39 50 20580 5 11 -1.0 -11.0 | 106 11 -10.4 3.0 40 30 23780 95 11 -11.0 1.0 | 126 25 -20.4 14.9 Wind Parameters Mean winds (0-6000m): 295.9 at 22.5 knts Storm direction: 325.9 at 16.9 knts Shear (0-3000m) pos: 2.2 neg: 5.4 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 110.3 deg Storm rel helicity (0-3000m) pos: 28.3 neg: -29.9 tot: -1.6 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 12.2 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.07 Bulk Shear: 24.14 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 ------------------------------------------------------------------------------- 500 325 12 147 5| 0.0 18.6 18.6| 11.8 -2.5 9.3 18.6 0.43| 20.0 8.7 1000 311 16 215 4| 3.4 9.3 12.7| 25.0 -2.5 22.5 22.5 0.49| 15.7 7.6 1500 305 21 254 8| 2.2 11.3 13.5| 26.9 -5.3 21.6 14.4 0.33| 15.6 5.1 2000 302 24 262 11| 1.6 8.4 10.1| 27.8 -18.5 9.3 4.7 0.22| 14.4 3.2 2500 302 23 262 10| 2.7 6.8 9.4| 28.3 -24.4 4.0 1.6 0.16| 13.2 2.1 3000 302 23 259 10| 2.2 5.4 7.6| 28.3 -29.9 -1.6 -0.5 0.11| 12.2 1.3 4000 304 21 253 8| 2.1 4.1 6.2| 28.4 -32.4 -3.9 -1.0 0.07| 9.9 0.7 5000 304 20 251 8| 1.5 3.9 5.3| 38.5 -38.3 0.2 0.0 0.11| 9.1 1.0 6000 296 23 249 12| 1.2 5.0 6.2| 57.1 -83.8 -26.7 -4.4 0.04| 10.4 0.4 Wrote GIF file: /home/apache/climate/data/raob//YSSY/skewt/YSSY.skewt.20251205.23.gif