UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:1200Z 17 APR 25 Station: SBSM WMO ident: 83937 Latitude: -29.71 Longitude: -53.69 Elevation: 85.00 ------------------------------------------------------------------------------- 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 85 16.2 16.2 100 0.0 16.2 140 2 288.8 290.8 289.1 321.1 11.57 1 1000 145 15.6 15.6 100 0.0 15.6 120 9 288.8 290.7 288.8 320.1 11.21 2 976 351 14.6 14.6 100 0.0 14.6 84 8 289.8 291.7 288.7 320.0 10.76 3 945 626 17.6 15.1 85 2.5 16.0 37 7 295.5 297.6 291.3 328.5 11.49 4 933 736 19.4 11.4 60 8.0 14.4 18 6 298.4 300.1 290.3 325.0 9.11 5 925 810 19.2 9.2 52 10.0 13.1 5 6 298.9 300.4 289.4 322.2 7.91 6 921 847 19.2 4.2 37 15.0 10.9 3 6 299.3 300.3 287.4 316.0 5.61 7 909 960 18.0 13.0 73 5.0 14.8 356 6 299.2 301.1 291.6 329.6 10.41 8 854 1492 14.0 9.6 75 4.4 11.3 322 5 300.4 302.0 290.7 326.4 8.82 9 850 1532 13.6 8.8 73 4.8 10.7 320 5 300.4 301.9 290.3 325.2 8.39 10 837 1662 14.0 -6.0 24 20.0 4.8 315 6 302.1 302.7 285.7 311.1 2.91 11 765 2412 8.0 -2.0 49 10.0 3.1 285 14 303.5 304.3 287.6 316.7 4.32 12 732 2776 7.0 -13.0 22 20.0 -0.8 270 17 306.3 306.7 286.2 312.4 1.92 13 718 2935 9.0 -35.0 3 44.0 -2.3 263 19 310.2 310.2 285.7 311.2 0.27 14 700 3145 8.0 -15.0 18 23.0 -0.9 255 21 311.3 311.7 287.7 316.9 1.70 15 541 5204 -8.7 -24.7 26 16.0 -13.0 274 27 315.2 315.4 288.2 318.5 0.95 16 536 5275 -9.3 -25.3 26 16.0 -13.5 275 27 315.4 315.5 288.2 318.5 0.91 17 500 5810 -11.9 -40.9 7 29.0 -16.8 280 29 318.5 318.6 288.5 319.3 0.21 18 458 6473 -16.7 -46.7 6 30.0 -20.6 274 30 320.6 320.6 289.1 321.1 0.13 19 421 7097 -21.7 -42.7 13 21.0 -24.4 268 31 322.0 322.1 289.6 322.8 0.21 20 400 7470 -25.1 -46.1 12 21.0 -27.3 265 32 322.4 322.4 289.6 323.0 0.15 21 352 8386 -32.5 -56.5 7 24.0 -34.0 258 35 324.4 324.4 290.2 324.6 0.05 22 300 9490 -42.5 -57.5 18 15.0 -43.1 250 39 325.5 325.5 290.5 325.7 0.05 23 296 9580 -43.3 -57.3 20 14.0 -43.9 251 40 325.6 325.6 290.5 325.8 0.06 24 250 10700 -50.1 -64.1 18 14.0 -50.4 260 52 331.6 331.6 292.2 331.7 0.03 25 241 10938 -51.9 -63.9 22 12.0 -52.2 261 56 332.4 332.4 292.4 332.5 0.03 26 201 12108 -54.0 -75.8 5 21.7 -54.4 265 76 346.7 346.7 295.9 346.7 0.01 27 200 12140 -54.1 -76.1 5 22.0 -54.4 265 76 347.1 347.1 296.0 347.1 0.01 28 194 12335 -54.9 -76.9 5 22.0 -55.2 265 75 348.9 348.9 296.4 348.9 0.01 29 171 13137 -56.3 -82.3 2 26.0 -56.6 265 70 359.4 359.4 298.6 359.4 0.00 30 150 13960 -60.1 -84.1 3 24.0 -60.3 265 65 366.5 366.5 299.9 366.5 0.00 31 106 16074 -70.5 -88.5 5 18.0 -70.6 270 57 385.0 385.0 303.1 385.0 0.00 32 100 16420 -70.1 -88.1 5 18.0 -70.2 280 59 392.3 392.3 304.1 392.3 0.00 33 94 16785 -71.7 -88.7 6 17.0 -71.8 281 54 396.1 396.1 304.7 396.2 0.00 34 90 17043 -68.5 -88.5 4 20.0 -68.6 281 51 407.5 407.5 306.2 407.5 0.00 35 77 17979 -67.1 -89.1 3 22.0 -67.2 284 40 429.0 429.0 308.7 429.0 0.00 36 70 18550 -69.3 -89.3 4 20.0 -69.4 285 33 436.1 436.1 309.5 436.1 0.00 37 68 18723 -69.5 -89.5 4 20.0 -69.6 284 31 439.3 439.3 309.8 439.3 0.00 38 65 18995 -64.3 -90.3 2 26.0 -64.6 283 28 456.4 456.4 311.4 456.4 0.00 39 53 20256 -59.5 -88.5 1 29.0 -60.1 277 14 494.9 494.9 314.6 495.0 0.00 40 50 20620 -59.7 -87.7 1 28.0 -60.3 275 10 502.8 502.8 315.1 502.8 0.00 41 49 20746 -59.7 -87.7 1 28.0 -60.3 505.7 505.7 315.4 505.7 0.00 TRP 106 16074 -70.5 -88.5 5 18.0 -70.6 270 57 385.0 385.0 303.1 385.0 0.00 WND 201 12108 -54.0 -75.8 5 21.7 -54.4 265 76 346.7 346.7 295.9 346.7 0.01 Sounding variables and indices 1000-500 mb thick: 5665.00 m Freezing level: 623.83 mb = 4131.14 m = 13553.43 ft Wetbulb zero: 738.78 mb = 2699.73 m = 8857.27 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 37.97 % Est. max temperature: 27.79 C = 82.03 F Sfc-Lift cond lev (LCL): 1007.21 mb = 85.00 m = 278.87 ft T: 16.20 C 700-500 lapse rate: 7.47 C/km ThetaE index: 18.51 C Layer 854.0- 765.0 mb Conv cond level (CCL): 796.78 mb = 2072.74 m = 6800.26 ft Mean mixing ratio: 10.21 g/kg Conv temperature: 30.38 C = 86.68 F Cap Strength: 6.31 C Lifted Index: 2.85 C Risk: None Lifted Index @300 mb: 2.30 C Lifted Index @700 mb: 6.31 C Showalter Index: 1.73 C Risk: Showers probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 20.70 C K Index: 11.30 Risk: None Sweat Index: 144.60 Risk: None Energy Index: -1.04 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.92 J/kg Max Up Vert Vel: 10.38 m/s Conv Inhibition (B-): 14967.14 J/kg Cap Strength: 6.27 C Lift Cond Lev (LCL): 908.16 mb = 968.08 m = 3176.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 13 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 85 140 2 -1.3 1.5 | 124 15 -12.6 8.6 1 1000 145 120 9 -7.8 4.5 | 121 22 -19.1 11.5 2 925 810 5 6 -0.5 -6.0 | 95 12 -11.8 1.1 3 850 1532 320 5 3.2 -3.8 | 112 9 -8.1 3.2 4 700 3145 255 21 20.3 5.4 | 216 15 9.0 12.5 5 500 5810 280 29 28.6 -5.0 | 263 17 17.3 2.0 6 400 7470 265 32 31.9 2.8 | 245 23 20.6 9.8 7 300 9490 250 39 36.6 13.3 | 231 33 25.4 20.4 8 250 10700 260 52 51.2 9.0 | 248 43 39.9 16.1 9 201 12108 265 76 75.7 6.6 | 258 66 64.4 13.7 10 200 12140 265 76 75.7 6.6 | 258 66 64.4 13.7 11 150 13960 265 65 64.8 5.7 | 257 55 53.5 12.7 12 106 16074 270 57 57.0 -0.0 | 261 46 45.7 7.0 13 100 16420 280 59 58.1 -10.2 | 274 47 46.8 -3.2 14 70 18550 285 33 31.9 -8.5 | 274 21 20.6 -1.5 15 50 20620 275 10 10.0 -0.9 | 168 6 -1.3 6.2 Wind Parameters Mean winds (0-6000m): 271.9 at 17.7 knts Storm direction: 301.9 at 13.3 knts Shear (0-3000m) pos: 0.0 neg: 3.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 92.7 deg Storm rel helicity (0-3000m) pos: 13.5 neg: -53.3 tot: -39.8 m^2/s^2 ave: -13.3 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 8.0 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.63 Bulk Shear: 85.58 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 91 8 111 20| 0.0 7.7 7.7| 0.0 -48.2 -48.2 -96.5 -0.56| 17.3 -9.6 1000 58 7 101 17| 0.0 3.8 3.8| 2.3 -50.7 -48.5 -48.5 -0.40| 11.9 -4.7 1500 25 6 95 14| 0.0 2.6 2.6| 7.2 -50.7 -43.5 -29.0 -0.27| 9.0 -2.5 2000 348 7 92 10| 0.0 3.2 3.2| 9.2 -50.8 -41.6 -20.8 -0.17| 8.2 -1.4 2500 312 8 107 6| 0.0 3.5 3.5| 13.1 -50.8 -37.7 -15.1 -0.02| 8.0 -0.2 3000 282 10 161 5| 0.0 3.7 3.7| 13.5 -53.3 -39.8 -13.3 -0.03| 8.0 -0.2 4000 268 13 191 8| 0.5 2.8 3.3| 31.0 -53.8 -22.8 -5.7 0.05| 6.7 0.4 5000 269 15 209 8| 0.9 2.2 3.1| 52.4 -53.8 -1.3 -0.3 0.14| 5.9 0.8 6000 272 18 225 9| 1.0 1.9 2.9| 69.0 -58.2 10.9 1.8 0.17| 5.3 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20250417.12.gif