UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for SCSN... Searching the city database file for: SCSN ... Date:1200Z 25 APR 25 Station: SCSN WMO ident: 85586 Latitude: -33.65 Longitude: -71.61 Elevation: 75.00 ------------------------------------------------------------------------------- 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 75 14.2 12.1 87 2.1 13.0 50 2 286.8 288.3 285.8 311.4 8.83 1 1000 134 14.6 12.0 84 2.6 13.0 300 2 287.8 289.3 286.2 312.5 8.84 2 925 790 11.6 11.6 100 0.0 11.6 250 10 291.2 292.8 287.9 317.5 9.31 3 850 1496 8.8 8.8 100 0.0 8.8 310 13 295.4 296.9 288.6 319.6 8.39 4 836 1634 8.4 8.4 100 0.0 8.4 309 14 296.3 297.8 288.9 320.4 8.30 5 756 2459 3.6 1.2 84 2.4 2.4 301 23 299.8 300.8 287.5 316.3 5.53 6 700 3081 0.4 -0.1 96 0.5 0.1 295 30 302.9 303.9 288.5 319.3 5.43 7 685 3254 -0.3 -1.7 90 1.4 -1.0 294 31 304.0 304.9 288.4 319.0 4.93 8 601 4287 -7.5 -7.5 100 0.0 -7.5 290 34 307.3 308.0 288.3 318.6 3.62 9 588 4457 -7.5 -24.5 24 17.0 -11.9 290 35 309.2 309.4 286.1 312.2 0.89 10 568 4726 -8.9 -33.9 11 25.0 -13.9 289 36 310.7 310.7 286.0 312.0 0.38 11 500 5700 -15.9 -34.9 18 19.0 -19.2 285 39 313.7 313.7 287.1 315.1 0.39 12 494 5791 -16.7 -34.7 19 18.0 -19.8 285 41 313.8 313.8 287.2 315.2 0.41 13 400 7350 -24.5 -58.5 3 34.0 -27.2 285 80 323.1 323.2 289.8 323.3 0.04 14 397 7405 -24.7 -58.7 3 34.0 -27.3 285 81 323.6 323.6 289.9 323.7 0.04 15 300 9390 -38.3 -52.3 22 14.0 -39.2 280 104 331.4 331.4 292.2 331.8 0.10 16 273 10032 -43.9 -53.9 32 10.0 -44.4 283 114 332.3 332.3 292.4 332.7 0.09 17 260 10359 -45.7 -64.7 10 19.0 -46.3 284 119 334.4 334.4 292.9 334.5 0.02 18 250 10620 -45.9 -65.9 9 20.0 -46.4 285 123 337.8 337.8 293.8 337.9 0.02 19 230 11169 -49.6 -67.6 10 17.9 -50.0 290 128 340.3 340.3 294.4 340.4 0.02 20 213 11667 -53.1 -69.1 13 16.0 -53.4 290 126 342.5 342.5 294.9 342.5 0.02 21 204 11944 -55.3 -64.3 32 9.0 -55.5 290 125 343.2 343.3 295.1 343.4 0.03 22 200 12070 -54.9 -66.9 21 12.0 -55.1 290 124 345.8 345.8 295.7 345.9 0.02 23 163 13369 -58.5 -79.5 5 21.0 -58.7 286 108 360.6 360.6 298.8 360.6 0.00 24 151 13848 -60.1 -82.1 4 22.0 -60.3 285 102 365.8 365.8 299.8 365.9 0.00 25 150 13890 -59.3 -82.3 4 23.0 -59.5 285 100 367.9 367.9 300.2 367.9 0.00 26 134 14599 -57.1 -84.1 2 27.0 -57.4 295 87 383.9 383.9 302.9 383.9 0.00 27 100 16420 -63.9 -86.9 3 23.0 -64.1 320 54 404.3 404.3 305.7 404.3 0.00 28 75 18144 -72.7 -89.7 6 17.0 -72.8 296 27 420.5 420.5 307.7 420.5 0.00 29 70 18550 -70.9 -88.9 5 18.0 -71.0 290 21 432.7 432.7 309.1 432.7 0.00 30 55 19985 -69.7 -89.7 4 20.0 -69.8 276 24 466.4 466.4 312.3 466.4 0.00 31 51 20446 -59.9 -87.9 1 28.0 -60.4 271 25 499.5 499.5 314.9 499.5 0.00 32 50 20570 -59.9 -87.9 1 28.0 -60.5 270 25 502.3 502.3 315.1 502.3 0.00 33 47 20959 -57.5 -86.5 1 29.0 -58.3 269 24 517.0 517.0 316.1 517.1 0.00 34 45 21233 -58.7 -86.7 2 28.0 -59.5 269 24 520.6 520.6 316.4 520.6 0.00 35 40 21980 -55.1 -85.1 1 30.0 -56.3 268 22 547.5 547.5 317.9 547.5 0.01 36 38 22305 -57.7 -85.7 2 28.0 -58.7 267 21 548.9 548.9 318.1 549.0 0.01 37 30 23800 -57.1 -85.1 2 28.0 -58.3 265 18 589.0 589.0 320.1 589.0 0.01 38 29 24014 -57.1 -85.1 2 28.0 -58.4 267 19 594.7 594.7 320.4 594.8 0.01 39 25 24967 -49.9 -82.9 1 33.0 -52.9 274 23 641.2 641.2 322.3 641.3 0.02 40 20 26430 -48.1 -81.1 1 33.0 -52.1 285 30 688.9 689.0 324.1 689.2 0.03 41 19 26768 -47.9 -80.9 1 33.0 -52.2 699.7 699.8 324.4 700.0 0.03 42 11 30379 -47.3 -81.3 1 34.0 -53.6 820.3 820.3 327.7 820.8 0.05 TRP 151 13848 -60.1 -82.1 4 22.0 -60.3 285 102 365.8 365.8 299.8 365.9 0.00 WND 230 11169 -49.6 -67.6 10 17.9 -50.0 290 128 340.3 340.3 294.4 340.4 0.02 Sounding variables and indices 1000-500 mb thick: 5566.00 m Freezing level: 691.43 mb = 3180.11 m = 10433.30 ft Wetbulb zero: 698.15 mb = 3102.14 m = 10177.49 ft Precipitable water: 1.16 inches Sfc-500 mean rel hum: 74.87 % Est. max temperature: 22.40 C = 72.31 F Sfc-Lift cond lev (LCL): 975.86 mb = 339.62 m = 1114.22 ft T: 13.66 C 700-500 lapse rate: 6.22 C/km ThetaE index: 4.18 C Layer 756.0- 700.0 mb Conv cond level (CCL): 906.25 mb = 960.98 m = 3152.80 ft Mean mixing ratio: 9.08 g/kg Conv temperature: 19.62 C = 67.31 F Cap Strength: 3.18 C Lifted Index: 3.18 C Risk: None Lifted Index @300 mb: 11.72 C Lifted Index @700 mb: 2.02 C Showalter Index: 0.72 C Risk: Thunderstorms probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 24.70 C K Index: 33.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 178.60 Risk: None Energy Index: -0.92 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.07 J/kg Max Up Vert Vel: 5.67 m/s Conv Inhibition (B-): 43784.63 J/kg Cap Strength: 3.18 C Lift Cond Lev (LCL): 939.87 mb = 655.77 m = 2151.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 19 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 75 50 2 -1.5 -1.3 | 134 19 -13.9 13.6 1 1000 134 300 2 1.7 -1.0 | 142 17 -10.7 13.9 2 925 790 250 10 9.4 3.4 | 171 19 -3.0 18.3 3 850 1496 310 13 10.0 -8.4 | 160 7 -2.4 6.5 4 700 3081 295 30 27.2 -12.7 | 262 15 14.8 2.2 5 500 5700 285 39 37.7 -10.1 | 259 26 25.3 4.8 6 400 7350 285 80 77.3 -20.7 | 275 65 64.9 -5.8 7 300 9390 280 104 102.4 -18.1 | 272 90 90.0 -3.2 8 250 10620 285 123 118.8 -31.8 | 279 108 106.4 -17.0 9 230 11169 290 128 120.3 -43.8 | 285 112 107.9 -28.9 10 200 12070 290 124 116.5 -42.4 | 285 108 104.1 -27.5 11 151 13848 285 102 98.5 -26.4 | 278 87 86.1 -11.5 12 150 13890 285 100 96.6 -25.9 | 277 85 84.2 -11.0 13 100 16420 320 54 34.7 -41.4 | 320 35 22.3 -26.5 14 70 18550 290 21 19.7 -7.2 | 224 11 7.3 7.7 15 50 20570 270 25 25.0 -0.0 | 220 19 12.6 14.9 16 30 23800 265 18 17.9 1.6 | 199 17 5.5 16.4 17 20 26430 285 30 29.0 -7.8 | 247 18 16.6 7.1 Wind Parameters Mean winds (0-6000m): 290.2 at 25.8 knts Storm direction: 320.2 at 19.4 knts Shear (0-3000m) pos: 1.7 neg: 4.4 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 127.3 deg Storm rel helicity (0-3000m) pos: 73.0 neg: -4.9 tot: 68.1 m^2/s^2 ave: 22.7 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.26 Bulk Shear: 61.80 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 ------------------------------------------------------------------------------- 500 275 4 151 17| 0.0 9.3 9.3| 35.9 0.0 35.9 71.8 0.86| 9.6 8.3 1000 261 7 161 17| 2.1 4.7 6.7| 53.4 0.0 53.4 53.4 0.70| 8.8 6.2 1500 278 9 165 14| 3.4 3.1 6.5| 54.1 -4.9 49.2 32.8 0.40| 8.7 3.5 2000 290 11 168 11| 2.5 3.6 6.1| 61.2 -4.9 56.4 28.2 0.50| 8.0 4.0 2500 294 13 177 10| 2.0 4.0 6.0| 68.0 -4.9 63.1 25.3 0.52| 7.6 4.0 3000 294 15 191 9| 1.7 4.4 6.0| 73.0 -4.9 68.1 22.7 0.49| 7.3 3.6 4000 294 19 217 9| 1.3 3.8 5.0| 73.2 -5.2 68.0 17.0 0.45| 6.0 2.7 5000 292 23 234 11| 1.0 3.4 4.4| 73.2 -7.6 65.6 13.1 0.40| 5.2 2.1 6000 290 26 243 13| 0.8 3.8 4.7|100.5 -10.5 90.0 15.0 0.37| 5.4 2.0 Wrote GIF file: /home/apache/climate/data/raob//SCSN/skewt/SCSN.skewt.20250425.12.gif