UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 18 OCT 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 1005 101 20.0 19.0 94 1.0 19.4 210 6 292.7 295.2 292.3 332.2 13.89 1 1000 127 20.4 18.8 91 1.6 19.3 170 9 293.5 296.0 292.4 332.8 13.78 2 952 551 17.2 17.2 100 0.0 17.2 164 13 294.5 296.8 292.2 331.9 13.08 3 925 797 16.2 16.2 100 0.0 16.2 160 16 295.9 298.1 292.3 332.2 12.62 4 866 1356 13.4 10.8 84 2.6 11.8 160 25 298.6 300.3 290.6 326.1 9.43 5 850 1513 13.6 11.2 85 2.4 12.1 160 27 300.4 302.2 291.6 329.4 9.88 6 819 1827 14.6 6.6 59 8.0 9.9 165 29 304.7 306.0 290.9 327.2 7.48 7 793 2099 13.0 3.0 51 10.0 7.5 169 31 305.8 306.9 290.0 324.0 5.99 8 771 2335 11.4 5.4 67 6.0 7.9 173 33 306.5 307.9 291.3 328.7 7.31 9 700 3137 6.6 -2.4 53 9.0 2.1 185 38 309.8 310.7 290.0 324.1 4.58 10 660 3618 3.2 -6.8 48 10.0 -1.3 197 39 311.2 311.9 289.5 322.3 3.48 11 656 3667 3.6 -14.4 25 18.0 -3.3 199 39 312.2 312.6 288.2 318.5 1.91 12 645 3805 4.0 -16.0 22 20.0 -3.5 202 40 314.2 314.5 288.7 319.8 1.70 13 618 4152 2.4 -18.6 19 21.0 -5.0 211 41 316.2 316.5 289.0 321.0 1.42 14 566 4856 -3.3 -13.3 46 10.0 -7.2 229 42 317.6 318.0 290.5 325.6 2.42 15 559 4954 -4.1 -11.1 58 7.0 -7.0 232 43 317.7 318.3 291.0 327.3 2.93 16 556 4997 -4.1 -6.7 82 2.6 -5.3 233 43 318.2 319.0 292.2 331.7 4.17 17 533 5330 -5.7 -6.8 92 1.1 -6.2 242 44 320.2 321.0 292.9 334.2 4.31 18 500 5830 -7.3 -14.3 57 7.0 -10.0 255 45 324.1 324.6 292.4 332.7 2.53 19 499 5846 -7.5 -15.5 53 8.0 -10.5 255 45 324.1 324.5 292.2 331.9 2.29 20 468 6342 -10.3 -19.3 48 9.0 -13.3 258 44 326.6 327.0 292.4 332.7 1.77 21 464 6408 -10.7 -20.7 44 10.0 -13.9 258 44 326.9 327.2 292.4 332.4 1.58 22 459 6491 -11.5 -13.4 86 1.9 -12.2 259 44 326.9 327.5 293.6 337.0 2.97 23 456 6541 -11.9 -11.9 100 0.0 -11.9 259 44 327.0 327.7 293.9 338.4 3.37 24 446 6711 -13.3 -13.6 98 0.3 -13.4 260 43 327.4 327.9 293.7 337.5 3.00 25 443 6762 -13.3 -19.3 61 6.0 -15.2 260 43 328.0 328.4 292.9 334.5 1.87 26 440 6814 -13.5 -19.5 61 6.0 -15.4 261 43 328.4 328.7 293.0 334.8 1.85 27 400 7530 -19.5 -24.1 67 4.6 -20.7 265 42 329.6 329.9 292.9 334.5 1.36 28 393 7660 -20.7 -24.3 73 3.6 -21.6 267 43 329.7 330.0 292.9 334.6 1.36 29 385 7812 -20.9 -28.9 49 8.0 -22.7 268 44 331.4 331.6 293.0 334.7 0.91 30 382 7869 -19.7 -49.7 5 30.0 -23.4 269 44 333.8 333.8 292.9 334.2 0.11 31 355 8407 -23.9 -55.9 4 32.0 -26.9 275 47 335.2 335.2 293.2 335.4 0.06 32 342 8677 -26.1 -40.1 26 14.0 -28.1 279 49 335.8 335.8 293.6 337.1 0.34 33 341 8698 -26.1 -62.1 2 36.0 -28.8 279 49 336.1 336.1 293.4 336.2 0.03 34 336 8804 -26.9 -36.9 38 10.0 -28.5 280 50 336.4 336.5 293.9 338.2 0.48 35 334 8847 -27.3 -45.3 16 18.0 -29.4 281 50 336.4 336.5 293.6 337.2 0.20 36 327 8999 -28.7 -36.7 46 8.0 -29.9 283 51 336.5 336.6 293.9 338.5 0.50 37 319 9175 -30.5 -34.9 65 4.4 -31.2 285 52 336.4 336.6 294.0 338.8 0.62 38 318 9197 -30.7 -38.7 45 8.0 -31.8 285 52 336.5 336.5 293.9 338.1 0.42 39 317 9219 -30.3 -32.6 80 2.3 -30.7 285 53 337.3 337.5 294.4 340.2 0.78 40 313 9309 -29.5 -32.0 79 2.5 -30.0 286 53 339.7 339.8 295.0 342.8 0.84 41 300 9610 -31.1 -34.2 74 3.1 -31.6 290 55 341.5 341.7 295.3 344.2 0.70 42 294 9754 -32.5 -36.5 67 4.0 -33.1 292 54 341.5 341.7 295.2 343.7 0.57 43 260 10612 -39.7 -40.3 94 0.6 -39.8 302 51 343.2 343.3 295.5 344.9 0.44 44 250 10880 -41.9 -44.7 74 2.8 -42.1 305 50 343.8 343.8 295.5 344.9 0.29 45 241 11127 -44.1 -50.1 51 6.0 -44.5 306 52 344.1 344.1 295.4 344.8 0.16 46 225 11584 -47.9 -52.4 60 4.5 -48.1 307 56 345.1 345.1 295.7 345.6 0.13 47 222 11672 -48.7 -50.5 81 1.8 -48.8 308 57 345.2 345.2 295.7 345.9 0.17 48 219 11762 -49.1 -53.4 61 4.3 -49.3 308 58 345.9 345.9 295.8 346.4 0.12 49 217 11822 -49.7 -55.7 49 6.0 -50.0 308 58 345.9 345.9 295.8 346.3 0.09 50 207 12129 -52.5 -57.0 58 4.5 -52.7 309 61 346.2 346.2 295.8 346.6 0.08 51 200 12350 -54.5 -59.5 54 5.0 -54.6 310 63 346.5 346.5 295.9 346.7 0.06 52 180 13011 -61.1 -66.1 51 5.0 -61.2 295 70 346.3 346.3 295.8 346.4 0.03 53 173 13256 -62.1 -71.1 29 9.0 -62.2 290 72 348.6 348.6 296.3 348.6 0.02 54 150 14120 -68.7 -74.7 42 6.0 -68.7 270 81 351.7 351.7 297.0 351.8 0.01 55 149 14160 -68.9 -74.9 42 6.0 -68.9 265 83 352.1 352.1 297.1 352.1 0.01 56 148 14201 -69.1 -75.1 41 6.0 -69.1 265 82 352.4 352.4 297.1 352.4 0.01 57 139 14575 -70.9 -78.9 30 8.0 -70.9 265 76 355.6 355.6 297.8 355.6 0.01 58 130 14974 -69.5 -83.5 11 14.0 -69.6 265 69 365.0 365.0 299.7 365.0 0.00 59 100 16520 -75.3 -86.3 16 11.0 -75.3 265 41 382.2 382.2 302.6 382.2 0.00 60 97 16696 -76.3 -86.3 19 10.0 -76.3 255 36 383.6 383.6 302.8 383.6 0.00 61 94 16879 -72.7 -86.7 10 14.0 -72.8 256 33 394.2 394.2 304.4 394.2 0.00 62 86 17399 -74.9 -87.9 12 13.0 -74.9 259 25 399.9 399.9 305.2 399.9 0.00 63 84 17536 -72.3 -87.3 9 15.0 -72.3 259 22 407.9 407.9 306.2 407.9 0.00 64 79 17895 -75.3 -88.3 11 13.0 -75.3 261 16 408.9 408.9 306.4 408.9 0.00 65 70 18600 -73.1 -89.1 7 16.0 -73.2 265 5 428.0 428.0 308.6 428.0 0.00 66 69 18684 -73.1 -89.1 7 16.0 -73.2 270 5 429.8 429.8 308.8 429.8 0.00 67 58 19725 -63.5 -89.5 2 26.0 -63.8 335 6 473.3 473.3 312.9 473.3 0.00 68 52 20392 -65.9 -89.9 2 24.0 -66.2 15 7 482.7 482.7 313.7 482.8 0.00 69 50 20630 -64.9 -89.9 2 25.0 -65.2 30 7 490.5 490.5 314.2 490.6 0.00 70 40 22000 -63.1 -90.1 1 27.0 -63.6 65 10 527.4 527.4 316.8 527.4 0.00 71 39 22158 -59.9 -88.9 1 29.0 -60.6 69 10 539.3 539.3 317.5 539.3 0.00 72 33 23211 -56.7 -86.7 1 30.0 -57.9 95 12 574.2 574.2 319.4 574.2 0.01 73 31 23605 -60.3 -88.3 1 28.0 -61.2 105 13 574.8 574.8 319.4 574.9 0.01 74 30 23810 -58.9 -87.9 1 29.0 -59.9 110 13 584.1 584.1 319.9 584.1 0.01 75 25 24951 -59.1 -88.1 1 29.0 -60.3 76 18 614.8 614.8 321.3 614.8 0.01 76 20 26370 -51.9 -84.9 1 33.0 -54.8 35 24 677.3 677.3 323.7 677.4 0.01 77 19 26704 -49.9 -83.9 1 34.0 -53.5 693.5 693.5 324.2 693.7 0.02 78 16 27821 -52.5 -84.5 1 32.0 -55.8 720.0 720.0 325.1 720.1 0.02 79 14 28692 -48.3 -83.3 1 35.0 -53.4 762.3 762.3 326.3 762.5 0.03 TRP 97 16696 -76.3 -86.3 19 10.0 -76.3 255 36 383.6 383.6 302.8 383.6 0.00 WND 149 14160 -68.9 -74.9 42 6.0 -68.9 265 83 352.1 352.1 297.1 352.1 0.01 Sounding variables and indices 1000-500 mb thick: 5703.00 m Freezing level: 596.11 mb = 4448.23 m = 14593.74 ft Wetbulb zero: 675.63 mb = 3426.49 m = 11241.63 ft Precipitable water: 1.48 inches Sfc-500 mean rel hum: 63.47 % Est. max temperature: 27.10 C = 80.78 F Sfc-Lift cond lev (LCL): 990.61 mb = 208.26 m = 683.27 ft T: 19.79 C 700-500 lapse rate: 5.16 C/km ThetaE index: 10.26 C Layer 700.0- 645.0 mb Conv cond level (CCL): 948.20 mb = 585.08 m = 1919.54 ft Mean mixing ratio: 13.00 g/kg Conv temperature: 21.93 C = 71.48 F Cap Strength: 3.15 C Lifted Index: 2.99 C Risk: None Lifted Index @300 mb: 7.90 C Lifted Index @700 mb: 1.54 C Showalter Index: 4.22 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 18.50 C K Index: 23.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 382.92 Risk: Showers and thunderstorms possible Energy Index: 0.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.57 J/kg Max Up Vert Vel: 5.40 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 3.15 C Lift Cond Lev (LCL): 947.02 mb = 595.79 m = 1954.68 ft Lev Free Conv (LFC): 942.02 mb = 641.07 m = 2103.24 ft Equ Level (EL): 932.02 mb = 732.36 m = 2402.73 ft B at Equ Level: 12.55 J/kg Max Parcel Lev (MPL): 822.02 mb = 1795.90 m = 5891.99 ft Wind level data Storm motion: 234 at 25 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 1005 101 210 6 3.0 5.2 | 61 20 -17.4 -9.6 1 1000 127 170 9 -1.6 8.9 | 75 23 -22.0 -5.9 2 925 797 160 16 -5.5 15.0 | 91 26 -25.9 0.2 3 850 1513 160 27 -9.2 25.4 | 110 31 -29.6 10.6 4 700 3137 185 38 3.3 37.9 | 143 29 -17.1 23.1 5 500 5830 255 45 43.5 11.6 | 278 23 23.1 -3.2 6 400 7530 265 42 41.8 3.7 | 297 24 21.4 -11.1 7 300 9610 290 55 51.7 -18.8 | 317 46 31.3 -33.6 8 250 10880 305 50 41.0 -28.7 | 335 48 20.6 -43.5 9 200 12350 310 63 48.3 -40.5 | 333 62 27.9 -55.3 10 150 14120 270 81 81.0 -0.0 | 284 62 60.6 -14.8 11 149 14160 265 83 82.7 7.2 | 277 63 62.3 -7.6 12 100 16520 265 41 40.8 3.6 | 299 23 20.4 -11.2 13 97 16696 255 36 34.8 9.3 | 291 15 14.4 -5.5 14 70 18600 265 5 5.0 0.4 | 47 21 -15.4 -14.4 15 50 20630 30 7 -3.5 -6.1 | 49 32 -23.9 -20.9 16 30 23810 110 13 -12.2 4.4 | 72 34 -32.6 -10.4 17 20 26370 35 24 -13.8 -19.7 | 45 49 -34.2 -34.5 Wind Parameters Mean winds (0-6000m): 204.0 at 33.6 knts Storm direction: 234.0 at 25.2 knts Shear (0-3000m) pos: 3.6 neg: 3.0 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 81.5 deg Storm rel helicity (0-3000m) pos: 277.7 neg: 0.0 tot: 277.7 m^2/s^2 ave: 92.6 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 6.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.17 Bulk Shear: 87.05 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 ------------------------------------------------------------------------------- 500 167 11 80 23| 0.0 11.1 11.1| 57.6 0.0 57.6 115.3 0.90| 11.3 10.2 1000 163 14 87 25| 0.0 9.0 9.0| 99.1 0.0 99.1 99.1 0.89| 9.2 8.1 1500 161 17 94 26| 2.4 6.0 8.4|146.9 0.0 146.9 97.9 0.88| 8.6 7.5 2000 163 20 100 27| 2.8 4.5 7.3|189.0 0.0 189.0 94.5 0.90| 7.8 7.0 2500 166 23 106 27| 3.2 3.6 6.8|232.6 0.0 232.6 93.0 0.91| 7.3 6.7 3000 170 25 112 27| 3.6 3.0 6.6|277.7 0.0 277.7 92.6 0.92| 7.1 6.6 4000 179 28 123 25| 4.1 2.2 6.3|377.7 0.0 377.7 94.4 0.91| 7.6 6.9 5000 191 31 138 22| 4.4 1.8 6.2|467.6 0.0 467.6 93.5 0.93| 8.1 7.5 6000 204 34 157 17| 4.4 1.5 5.9|548.3 0.0 548.3 91.4 0.93| 8.1 7.5 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251018.12.gif