UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:1200Z 15 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 15.0 14.4 96 0.6 14.6 80 2 287.6 289.4 287.5 316.2 10.29 1 1000 144 14.4 13.3 93 1.1 13.7 80 2 287.5 289.2 286.9 314.4 9.64 2 994 195 14.0 13.1 94 0.9 13.4 74 3 287.6 289.3 286.9 314.3 9.57 3 925 806 16.8 13.3 80 3.5 14.6 20 11 296.5 298.4 290.7 326.6 10.43 4 922 834 16.8 13.1 79 3.7 14.4 15 10 296.8 298.6 290.7 326.7 10.33 5 850 1525 13.4 12.1 92 1.3 12.6 305 13 300.2 302.1 292.0 331.0 10.49 6 843 1595 13.2 10.4 83 2.8 11.4 308 13 300.7 302.4 291.3 328.5 9.43 7 748 2588 5.6 4.8 95 0.8 5.2 290 18 302.9 304.2 290.1 324.5 7.23 8 742 2654 5.2 3.0 86 2.2 4.0 288 18 303.1 304.3 289.5 322.4 6.41 9 725 2844 6.4 -18.6 15 25.0 -2.1 296 16 306.5 306.7 285.5 310.5 1.21 10 700 3131 4.8 -14.2 24 19.0 -2.4 315 12 307.8 308.1 286.6 313.7 1.82 11 641 3842 -0.3 -14.3 34 14.0 -5.4 318 18 309.9 310.2 287.5 316.2 1.97 12 597 4407 -4.1 -24.1 19 20.0 -9.7 300 21 311.8 312.0 287.1 314.9 0.91 13 539 5205 -9.9 -16.9 57 7.0 -12.2 300 25 314.1 314.5 288.9 320.4 1.89 14 526 5393 -11.5 -21.5 43 10.0 -14.3 300 27 314.4 314.7 288.3 318.8 1.30 15 522 5451 -11.9 -20.9 47 9.0 -14.5 300 27 314.6 314.9 288.5 319.3 1.38 16 518 5510 -11.9 -13.9 85 2.0 -12.6 300 27 315.3 315.8 289.8 323.6 2.52 17 501 5765 -13.7 -14.4 94 0.7 -13.9 300 29 316.2 316.6 290.1 324.4 2.50 18 500 5780 -13.9 -14.7 94 0.8 -14.2 300 29 316.1 316.6 290.0 324.1 2.45 19 473 6199 -16.5 -19.3 79 2.8 -17.3 295 29 317.9 318.3 289.9 323.8 1.75 20 400 7430 -27.3 -29.1 85 1.8 -27.6 310 16 319.5 319.7 289.5 322.5 0.86 21 394 7539 -28.3 -29.5 89 1.2 -28.5 310 16 319.6 319.8 289.5 322.5 0.84 22 388 7648 -29.5 -32.8 73 3.3 -30.0 309 16 319.4 319.5 289.2 321.6 0.62 23 370 7985 -31.9 -35.9 68 4.0 -32.4 293 14 320.6 320.7 289.5 322.3 0.48 24 360 8178 -33.1 -44.1 32 11.0 -34.1 287 17 321.5 321.6 289.5 322.3 0.21 25 328 8827 -36.7 -55.7 12 19.0 -37.7 283 33 325.2 325.2 290.4 325.5 0.06 26 300 9440 -40.5 -60.5 10 20.0 -41.3 280 48 328.3 328.3 291.3 328.4 0.04 27 281 9881 -44.1 -62.1 12 18.0 -44.7 280 58 329.3 329.3 291.6 329.4 0.03 28 262 10348 -45.9 -65.9 9 20.0 -46.4 280 70 333.3 333.3 292.6 333.4 0.02 29 253 10580 -44.5 -68.5 5 24.0 -45.2 280 75 338.7 338.8 294.0 338.8 0.01 30 250 10660 -44.9 -68.9 5 24.0 -45.6 280 77 339.3 339.3 294.1 339.4 0.01 31 226 11331 -48.2 -72.2 5 24.0 -48.7 275 90 344.3 344.3 295.3 344.3 0.01 32 200 12130 -52.1 -76.1 4 24.0 -52.5 275 78 350.3 350.3 296.7 350.3 0.01 33 192 12394 -53.9 -76.9 4 23.0 -54.2 275 80 351.5 351.5 297.0 351.5 0.01 34 166 13327 -55.5 -82.5 2 27.0 -55.8 275 86 363.8 363.8 299.4 363.8 0.00 35 150 13970 -58.9 -84.9 2 26.0 -59.1 275 68 368.6 368.6 300.3 368.6 0.00 36 109 15916 -69.3 -87.3 6 18.0 -69.4 275 58 384.2 384.2 302.9 384.3 0.00 37 100 16430 -67.9 -87.9 4 20.0 -68.0 275 46 396.5 396.5 304.8 396.5 0.00 38 86 17343 -66.3 -88.3 3 22.0 -66.4 272 44 417.2 417.2 307.4 417.3 0.00 39 70 18580 -70.5 -90.5 4 20.0 -70.6 280 22 433.6 433.6 309.2 433.6 0.00 40 66 18933 -66.5 -89.5 3 23.0 -66.7 290 22 449.6 449.6 310.8 449.6 0.00 41 58 19715 -66.7 -90.7 2 24.0 -66.9 295 12 466.1 466.1 312.3 466.1 0.00 42 51 20506 -59.7 -88.7 1 29.0 -60.3 292 8 500.0 500.0 314.9 500.0 0.00 43 50 20630 -60.1 -88.1 1 28.0 -60.7 295 5 501.9 501.9 315.1 501.9 0.00 44 45 21290 -58.5 -88.5 1 30.0 -59.3 225 10 521.1 521.1 316.4 521.1 0.00 45 31 23642 -56.7 -87.7 1 31.0 -58.0 67 9 584.6 584.6 319.9 584.6 0.01 46 30 23850 -55.7 -87.7 1 32.0 -57.2 65 8 592.8 592.8 320.3 592.8 0.01 47 27 24529 -51.9 -85.9 1 34.0 -54.2 40 10 621.6 621.6 321.6 621.7 0.01 48 23 25568 -52.7 -85.7 1 33.0 -55.2 38 12 648.4 648.4 322.6 648.5 0.01 49 20 26480 -49.1 -85.1 1 36.0 -52.8 275 6 685.9 685.9 324.0 686.0 0.01 50 18 27171 -49.3 -85.3 1 36.0 -53.3 310 5 706.2 706.2 324.6 706.4 0.02 TRP 109 15916 -69.3 -87.3 6 18.0 -69.4 275 58 384.2 384.2 302.9 384.3 0.00 WND 226 11331 -48.2 -72.2 5 24.0 -48.7 275 90 344.3 344.3 295.3 344.3 0.01 Sounding variables and indices 1000-500 mb thick: 5636.00 m Freezing level: 644.47 mb = 3800.32 m = 12468.09 ft Wetbulb zero: 730.94 mb = 2776.73 m = 9109.89 ft Precipitable water: 1.24 inches Sfc-500 mean rel hum: 60.22 % Est. max temperature: 27.29 C = 81.12 F Sfc-Lift cond lev (LCL): 998.21 mb = 159.18 m = 522.24 ft T: 14.28 C 700-500 lapse rate: 7.06 C/km ThetaE index: 20.55 C Layer 843.0- 700.0 mb Conv cond level (CCL): 810.90 mb = 1917.06 m = 6289.49 ft Mean mixing ratio: 10.04 g/kg Conv temperature: 28.88 C = 83.98 F Cap Strength: 4.24 C Lifted Index: 1.93 C Risk: Showers probable Lifted Index @300 mb: 5.68 C Lifted Index @700 mb: 3.96 C Showalter Index: -3.14 C Risk: Severe thunderstorms possible Total Totals Index: 53.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 26.00 C K Index: 20.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 286.20 Risk: None Energy Index: -1.45 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.83 J/kg Max Up Vert Vel: 7.33 m/s Conv Inhibition (B-): 36940.96 J/kg Cap Strength: 4.23 C Lift Cond Lev (LCL): 923.64 mb = 818.59 m = 2685.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 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 80 2 -2.0 -0.3 | 149 14 -7.1 11.6 1 1000 144 80 2 -2.0 -0.3 | 149 14 -7.1 11.6 2 981 305 60 6 -5.2 -3.0 | 131 14 -10.3 9.0 3 947 610 40 19 -12.2 -14.6 | 82 17 -17.3 -2.6 4 925 806 20 11 -3.8 -10.3 | 100 9 -8.8 1.6 5 913 914 360 6 -0.0 -6.0 | 140 8 -5.1 6.0 6 881 1219 290 10 9.4 -3.4 | 207 10 4.3 8.6 7 850 1525 305 13 10.6 -7.5 | 231 7 5.6 4.5 8 819 1829 320 12 7.7 -9.2 | 223 4 2.6 2.8 9 790 2134 305 17 13.9 -9.8 | 256 9 8.8 2.2 10 761 2438 295 18 16.3 -7.6 | 249 12 11.2 4.4 11 734 2743 285 18 17.4 -4.7 | 239 14 12.3 7.3 12 707 3048 320 12 7.7 -9.2 | 223 4 2.6 2.8 13 700 3131 315 12 8.5 -8.5 | 224 5 3.4 3.5 14 681 3353 305 12 9.8 -6.9 | 223 7 4.7 5.1 15 655 3658 325 17 9.8 -13.9 | 293 5 4.7 -2.0 16 606 4267 300 20 17.3 -10.0 | 261 12 12.2 2.0 17 500 5780 300 29 25.1 -14.5 | 277 20 20.0 -2.5 18 499 5791 285 26 25.1 -6.7 | 255 21 20.0 5.2 19 479 6096 295 30 27.2 -12.7 | 272 22 22.1 -0.7 20 406 7315 295 18 16.3 -7.6 | 249 12 11.2 4.4 21 400 7430 310 16 12.3 -10.3 | 257 7 7.2 1.7 22 389 7620 310 16 12.3 -10.3 | 257 7 7.2 1.7 23 373 7925 295 13 11.8 -5.5 | 226 9 6.7 6.5 24 357 8230 285 18 17.4 -4.7 | 239 14 12.3 7.3 25 300 9440 280 48 47.3 -8.3 | 265 42 42.2 3.6 26 250 10660 280 77 75.8 -13.4 | 271 71 70.7 -1.4 27 226 11331 275 90 89.7 -7.8 | 267 85 84.6 4.1 28 217 11582 275 90 89.7 -7.8 | 267 85 84.6 4.1 29 200 12130 275 78 77.7 -6.8 | 266 73 72.6 5.2 30 198 12192 275 76 75.7 -6.6 | 266 71 70.6 5.4 31 180 12802 275 89 88.7 -7.8 | 267 84 83.6 4.2 32 156 13716 275 83 82.7 -7.2 | 267 78 77.6 4.7 33 150 13970 275 68 67.7 -5.9 | 264 63 62.7 6.0 34 128 14935 265 57 56.8 5.0 | 252 54 51.7 16.9 35 122 15240 270 53 53.0 -0.0 | 256 49 47.9 12.0 36 110 15850 280 59 58.1 -10.2 | 268 53 53.0 1.7 37 109 15916 275 58 57.8 -5.1 | 263 53 52.7 6.9 38 100 16430 275 46 45.8 -4.0 | 259 42 40.7 8.0 39 95 16764 275 46 45.8 -4.0 | 259 42 40.7 8.0 40 90 17069 270 51 51.0 -0.0 | 255 47 45.9 12.0 41 81 17678 275 35 34.9 -3.1 | 253 31 29.8 8.9 42 77 17983 245 29 26.3 12.3 | 221 32 21.2 24.2 43 73 18288 245 25 22.7 10.6 | 218 29 17.6 22.5 44 70 18580 280 22 21.7 -3.8 | 244 18 16.6 8.2 45 70 18593 265 18 17.9 1.6 | 223 19 12.8 13.5 46 66 18898 290 22 20.7 -7.5 | 254 16 15.6 4.4 47 63 19202 290 23 21.6 -7.9 | 256 17 16.5 4.1 48 60 19507 270 9 9.0 -0.0 | 198 13 3.9 12.0 49 57 19812 305 13 10.6 -7.5 | 231 7 5.6 4.5 50 54 20117 285 13 12.6 -3.4 | 221 11 7.5 8.6 51 52 20422 290 10 9.4 -3.4 | 207 10 4.3 8.6 52 50 20630 295 5 4.5 -2.1 | 177 10 -0.6 9.9 53 47 21031 260 10 9.8 1.7 | 199 15 4.8 13.7 54 45 21336 220 10 6.4 7.7 | 184 20 1.3 19.6 55 43 21641 250 1 0.9 0.3 | 161 13 -4.1 12.3 56 41 21946 350 13 2.3 -12.8 | 74 3 -2.8 -0.8 57 37 22555 310 12 9.2 -7.7 | 224 6 4.1 4.3 58 33 23165 0 0 -0.0 -0.0 | 157 13 -5.1 12.0 59 30 23774 85 11 -11.0 -1.0 | 124 19 -16.0 11.0 60 30 23850 65 8 -7.3 -3.4 | 125 15 -12.3 8.6 61 28 24384 35 10 -5.7 -8.2 | 109 11 -10.8 3.8 62 24 25298 65 10 -9.1 -4.2 | 119 16 -14.1 7.7 63 23 25603 35 12 -6.9 -9.8 | 100 12 -12.0 2.1 64 20 26480 275 6 6.0 -0.5 | 184 11 0.9 11.5 65 16 27127 340 5 1.7 -4.7 | 155 8 -3.4 7.3 Wind Parameters Mean winds (0-6000m): 307.0 at 17.3 knts Storm direction: 337.0 at 13.0 knts Shear (0-3000m) pos: 1.6 neg: 3.4 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 75.2 deg Storm rel helicity (0-3000m) pos: 44.3 neg: -77.4 tot: -33.0 m^2/s^2 ave: -11.0 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 11.9 stream: 0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.47 Bulk Shear: 57.29 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 50 8 120 13| 0.0 16.9 16.9| 0.0 -63.4 -63.4 -126.8 -0.97| 17.3-16.8 1000 33 10 110 11| 0.0 4.8 4.8| 26.7 -64.9 -38.2 -38.2 -0.10| 18.7 -1.9 1500 360 10 110 5| 0.0 4.9 4.9| 39.6 -64.9 -25.2 -16.8 0.06| 15.6 1.0 2000 341 11 136 2| 0.0 4.5 4.5| 43.4 -65.4 -22.0 -11.0 0.10| 13.6 1.3 2500 326 12 225 3| 0.0 4.1 4.1| 43.4 -72.1 -28.7 -11.5 0.05| 12.0 0.6 3000 318 13 235 4| 1.6 3.4 5.0| 44.3 -77.4 -33.0 -11.0 0.01| 11.9 0.1 4000 317 14 243 5| 1.2 3.2 4.3| 53.8 -83.3 -29.5 -7.4 0.05| 10.8 0.6 5000 312 15 253 7| 0.9 3.2 4.1| 63.7 -87.3 -23.6 -4.7 0.06| 9.4 0.6 6000 307 17 260 9| 0.8 3.1 3.9| 94.3-117.9 -23.6 -3.9 0.05| 9.0 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20250415.12.gif