UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 27 APR 25 Station: SGAS WMO ident: 86218 Latitude: -25.27 Longitude: -57.63 Elevation: 101.00 ------------------------------------------------------------------------------- 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 1000 101 22.0 21.2 95 0.8 21.5 140 4 295.1 298.0 294.6 341.2 16.05 1 999 109 23.6 21.0 85 2.6 21.8 140 4 296.8 299.7 295.0 342.7 15.86 2 982 255 22.6 20.3 87 2.3 21.0 133 4 297.3 300.1 294.8 342.0 15.45 3 972 342 24.0 18.0 69 6.0 19.9 129 4 299.6 302.0 294.0 338.9 13.48 4 925 763 22.6 14.6 61 8.0 17.3 110 5 302.4 304.5 293.3 336.1 11.37 5 917 839 22.4 13.4 57 9.0 16.5 100 5 303.0 304.9 292.9 334.4 10.59 6 907 934 21.4 18.1 81 3.3 19.1 88 5 302.9 305.6 295.7 346.0 14.56 7 883 1167 19.8 16.9 83 2.9 17.8 58 4 303.6 306.1 295.4 344.7 13.85 8 853 1465 18.6 10.6 60 8.0 13.6 19 4 305.3 307.1 292.7 333.7 9.45 9 850 1495 18.4 10.4 60 8.0 13.3 15 4 305.4 307.2 292.7 333.5 9.36 10 762 2424 12.4 9.7 84 2.7 10.7 4 6 308.6 310.5 294.0 338.9 9.97 11 732 2761 11.6 4.6 62 7.0 7.5 360 6 311.3 312.7 292.7 333.9 7.28 12 700 3133 8.2 6.5 89 1.7 7.2 355 7 311.6 313.2 293.9 338.4 8.71 13 688 3276 6.8 6.8 100 0.0 6.8 351 8 311.6 313.3 294.2 339.4 9.05 14 686 3299 6.6 6.6 100 0.0 6.6 350 8 311.6 313.3 294.1 339.2 8.95 15 661 3604 6.2 3.6 83 2.6 4.7 341 10 314.5 315.9 293.8 338.0 7.52 16 636 3920 4.4 0.0 73 4.4 2.0 331 12 315.9 317.1 293.0 335.0 6.03 17 593 4486 0.2 -2.1 84 2.3 -1.0 313 16 317.4 318.5 293.1 335.1 5.54 18 569 4816 -1.3 -3.9 82 2.6 -2.6 303 18 319.4 320.4 293.2 335.7 5.04 19 561 4929 -1.3 -12.3 43 11.0 -5.8 299 19 320.7 321.2 291.6 329.5 2.65 20 549 5102 -2.5 -15.5 36 13.0 -7.4 294 20 321.3 321.7 291.2 328.3 2.08 21 508 5715 -5.1 -26.1 17 21.0 -11.1 274 24 325.3 325.5 291.3 328.5 0.89 22 500 5840 -6.1 -31.1 12 25.0 -12.3 270 25 325.6 325.7 291.0 327.7 0.57 23 446 6724 -11.7 -36.7 11 25.0 -16.8 275 33 329.4 329.4 291.9 330.8 0.37 24 425 7092 -13.9 -51.9 2 38.0 -19.0 277 37 331.1 331.1 292.1 331.4 0.07 25 411 7346 -15.5 -37.5 13 22.0 -19.7 279 39 332.3 332.3 292.7 333.7 0.37 26 410 7364 -15.7 -24.7 46 9.0 -18.2 279 39 332.2 332.5 293.5 336.8 1.26 27 407 7419 -15.9 -25.9 42 10.0 -18.6 279 40 332.7 332.9 293.5 336.8 1.14 28 406 7438 -15.9 -41.9 9 26.0 -20.3 279 40 332.9 333.0 292.7 333.8 0.24 29 400 7550 -16.7 -32.7 24 16.0 -20.1 280 41 333.3 333.4 293.2 335.6 0.61 30 396 7625 -17.1 -52.1 3 35.0 -21.5 280 41 333.7 333.7 292.8 334.0 0.08 31 394 7663 -17.3 -35.3 19 18.0 -20.8 280 42 333.9 334.0 293.3 335.8 0.48 32 388 7778 -18.3 -55.3 2 37.0 -22.5 281 42 334.1 334.1 292.9 334.3 0.05 33 380 7933 -19.5 -50.5 5 31.0 -23.3 281 43 334.5 334.5 293.0 334.9 0.10 34 376 8011 -20.3 -30.3 40 10.0 -22.5 281 44 334.5 334.6 293.7 337.5 0.82 35 364 8251 -20.7 -48.7 6 28.0 -24.2 282 46 337.1 337.1 293.7 337.6 0.13 36 361 8312 -21.1 -45.1 10 24.0 -24.5 282 46 337.3 337.4 293.9 338.1 0.19 37 360 8332 -21.3 -27.3 58 6.0 -22.8 282 46 337.3 337.6 294.7 341.5 1.13 38 352 8497 -22.7 -25.2 80 2.5 -23.4 282 47 337.6 337.9 295.0 342.7 1.40 39 351 8518 -22.7 -26.7 70 4.0 -23.7 282 47 337.9 338.1 294.9 342.4 1.23 40 350 8539 -22.1 -37.1 24 15.0 -24.7 282 47 339.0 339.1 294.5 340.7 0.45 41 346 8623 -22.5 -48.5 7 26.0 -25.7 283 48 339.5 339.6 294.3 340.1 0.14 42 300 9650 -31.5 -48.5 17 17.0 -33.1 285 55 341.0 341.0 294.7 341.6 0.16 43 262 10592 -40.1 -50.1 34 10.0 -40.8 278 64 341.8 341.9 294.9 342.4 0.15 44 260 10644 -40.3 -51.3 30 11.0 -41.0 277 64 342.3 342.3 295.0 342.8 0.13 45 250 10910 -42.5 -52.5 33 10.0 -43.1 275 67 342.9 342.9 295.1 343.4 0.12 46 247 10992 -43.3 -53.3 32 10.0 -43.8 275 68 342.9 342.9 295.1 343.3 0.11 47 235 11325 -46.1 -49.5 68 3.4 -46.3 276 70 343.6 343.6 295.3 344.3 0.18 48 216 11881 -50.7 -55.6 56 4.9 -50.9 278 75 344.8 344.8 295.6 345.2 0.09 49 200 12380 -53.7 -61.7 37 8.0 -53.9 280 79 347.7 347.7 296.2 347.9 0.05 50 181 13013 -58.3 -68.3 27 10.0 -58.5 285 88 350.3 350.3 296.7 350.4 0.02 51 162 13701 -62.9 -69.6 40 6.6 -63.0 290 99 353.8 353.8 297.5 353.9 0.02 52 153 14050 -65.3 -70.2 51 4.9 -65.4 290 93 355.6 355.6 297.8 355.7 0.02 53 150 14170 -66.1 -73.1 37 7.0 -66.1 290 91 356.2 356.2 298.0 356.3 0.01 54 136 14758 -70.7 -78.7 30 8.0 -70.8 283 85 358.2 358.2 298.4 358.2 0.01 55 122 15393 -76.1 -80.5 50 4.4 -76.1 275 78 359.6 359.6 298.7 359.7 0.01 56 107 16144 -79.3 -83.2 52 3.9 -79.3 265 69 367.3 367.3 300.1 367.4 0.00 57 100 16530 -77.7 -84.7 31 7.0 -77.7 270 55 377.6 377.6 301.9 377.6 0.00 58 89 17195 -79.3 -87.3 26 8.0 -79.3 288 41 387.2 387.2 303.3 387.2 0.00 59 78 17965 -68.5 -87.5 5 19.0 -68.6 308 26 424.5 424.5 308.2 424.5 0.00 60 70 18610 -71.3 -88.3 6 17.0 -71.4 325 13 431.8 431.8 309.0 431.9 0.00 61 63 19231 -72.9 -89.9 6 17.0 -73.0 339 11 441.5 441.5 310.0 441.5 0.00 62 62 19326 -69.1 -89.1 4 20.0 -69.2 341 11 452.0 452.0 311.0 452.0 0.00 63 59 19622 -70.3 -89.3 5 19.0 -70.4 348 10 455.7 455.7 311.4 455.7 0.00 64 55 20045 -64.5 -88.5 2 24.0 -64.8 357 9 478.3 478.3 313.3 478.3 0.00 65 53 20271 -65.9 -88.9 3 23.0 -66.1 2 8 480.1 480.1 313.5 480.1 0.00 66 51 20507 -61.5 -87.5 2 26.0 -62.0 7 7 495.7 495.7 314.7 495.8 0.00 67 50 20630 -61.9 -86.9 2 25.0 -62.4 10 7 497.6 497.6 314.8 497.6 0.00 68 33 23228 -56.9 -85.9 1 29.0 -58.1 2 6 573.7 573.7 319.3 573.7 0.01 69 31 23623 -57.7 -85.7 2 28.0 -58.9 1 6 581.9 581.9 319.8 581.9 0.01 70 30 23830 -56.7 -85.7 1 29.0 -58.0 360 6 590.1 590.1 320.2 590.1 0.01 71 27 24501 -55.7 -84.7 1 29.0 -57.3 4 8 610.9 610.9 321.1 611.0 0.01 72 23 25544 -47.3 -81.3 1 34.0 -51.2 10 12 664.3 664.3 323.2 664.5 0.02 73 20 26470 -47.5 -81.5 1 34.0 -51.8 15 15 690.8 690.8 324.1 691.0 0.03 74 18 27168 -46.3 -81.3 1 35.0 -51.3 715.7 715.7 324.9 715.9 0.03 75 15 28376 -47.5 -81.5 1 34.0 -52.7 750.0 750.0 326.0 750.3 0.03 76 13 29329 -44.5 -78.5 1 34.0 -51.4 791.7 791.8 327.1 792.4 0.07 TRP 107 16144 -79.3 -83.2 52 3.9 -79.3 265 69 367.3 367.3 300.1 367.4 0.00 WND 162 13701 -62.9 -69.6 40 6.6 -63.0 290 99 353.8 353.8 297.5 353.9 0.02 Sounding variables and indices 1000-500 mb thick: 5739.00 m Freezing level: 589.80 mb = 4529.86 m = 14861.55 ft Wetbulb zero: 607.05 mb = 4296.38 m = 14095.56 ft Precipitable water: 1.74 inches Sfc-500 mean rel hum: 68.13 % Est. max temperature: 32.27 C = 90.09 F Sfc-Lift cond lev (LCL): 988.72 mb = 197.24 m = 647.10 ft T: 23.00 C 700-500 lapse rate: 5.28 C/km ThetaE index: 12.46 C Layer 883.0- 762.0 mb Conv cond level (CCL): 791.91 mb = 2096.46 m = 6878.06 ft Mean mixing ratio: 13.23 g/kg Conv temperature: 34.36 C = 93.85 F Cap Strength: 3.46 C Lifted Index: 0.91 C Risk: Showers probable Lifted Index @300 mb: 2.93 C Lifted Index @700 mb: 0.74 C Showalter Index: 3.49 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 16.50 C K Index: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 157.80 Risk: None Energy Index: -1.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.95 J/kg Max Up Vert Vel: 7.48 m/s Conv Inhibition (B-): 217.58 J/kg Cap Strength: 3.46 C Lift Cond Lev (LCL): 874.37 mb = 1251.29 m = 4105.23 ft Lev Free Conv (LFC): 599.37 mb = 4399.30 m = 14433.22 ft Equ Level (EL): 569.37 mb = 4811.19 m = 15784.55 ft B at Equ Level: 27.69 J/kg Max Parcel Lev (MPL): 489.37 mb = 6006.25 m = 19705.31 ft Wind level data Storm motion: 325 at 8 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 1000 101 140 4 -2.6 3.1 | 143 12 -7.3 9.9 1 925 763 110 5 -4.7 1.7 | 132 13 -9.4 8.5 2 850 1495 15 4 -1.0 -3.9 | 117 6 -5.8 2.9 3 700 3133 355 7 0.6 -7.0 | 88 4 -4.1 -0.2 4 500 5840 270 25 25.0 -0.0 | 251 21 20.3 6.8 5 400 7550 280 41 40.4 -7.1 | 271 36 35.6 -0.3 6 300 9650 285 55 53.1 -14.2 | 279 49 48.4 -7.4 7 250 10910 275 67 66.7 -5.8 | 269 62 62.0 1.0 8 200 12380 280 79 77.8 -13.7 | 275 73 73.1 -6.9 9 162 13701 290 99 93.0 -33.9 | 287 92 88.3 -27.1 10 150 14170 290 91 85.5 -31.1 | 287 84 80.8 -24.3 11 107 16144 265 69 68.7 6.0 | 259 65 64.0 12.8 12 100 16530 270 55 55.0 -0.0 | 262 51 50.3 6.8 13 70 18610 325 13 7.5 -10.6 | 325 5 2.7 -3.9 14 50 20630 10 7 -1.2 -6.9 | 89 6 -5.9 -0.1 15 30 23830 360 6 -0.0 -6.0 | 100 5 -4.7 0.8 16 20 26470 15 15 -3.9 -14.5 | 48 12 -8.6 -7.7 Wind Parameters Mean winds (0-6000m): 295.2 at 11.0 knts Storm direction: 325.2 at 8.3 knts Shear (0-3000m) pos: 0.0 neg: 1.8 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -55.1 deg Storm rel helicity (0-3000m) pos: 0.3 neg: -21.6 tot: -21.3 m^2/s^2 ave: -7.1 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 2.3 stream: -1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.90 Bulk Shear: 31.16 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 ------------------------------------------------------------------------------- 500 127 4 139 13| 0.0 1.9 1.9| 0.0 -6.1 -6.1 -12.2 -0.97| 1.9 -1.9 1000 112 5 134 12| 0.0 2.6 2.6| 0.0 -16.3 -16.3 -16.3 -0.82| 3.2 -2.6 1500 95 4 128 12| 0.0 2.5 2.5| 0.3 -18.2 -17.8 -11.9 -0.56| 3.5 -2.0 2000 71 5 120 10| 0.0 2.1 2.1| 0.3 -19.5 -19.1 -9.6 -0.58| 2.9 -1.7 2500 48 5 114 9| 0.0 1.9 1.9| 0.3 -20.6 -20.3 -8.1 -0.59| 2.5 -1.5 3000 32 5 109 8| 0.0 1.8 1.8| 0.3 -21.6 -21.3 -7.1 -0.60| 2.3 -1.4 4000 3 6 96 5| 0.0 2.2 2.2| 0.3 -28.9 -28.5 -7.1 -0.72| 2.8 -2.0 5000 328 8 43 0| 0.0 2.4 2.4| 0.3 -47.1 -46.8 -9.4 -0.70| 3.4 -2.4 6000 295 11 248 6| 0.0 2.6 2.6| 6.8 -78.3 -71.5 -11.9 -0.63| 4.0 -2.5 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20250427.12.gif