UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101612.upa.cvt Date: 1200Z 16 OCT 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 16 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 ------------------------------------------------------------------------------- 0 1000 73 30 17 SFC 999 101 28.0 22.0 70 6.0 23.6 30 17 301.2 304.3 296.8 350.9 16.89 2 974 319 26.2 20.2 70 6.0 21.9 10 24 301.6 304.5 296.0 347.2 15.48 3 966 390 29.2 18.2 52 11.0 21.5 4 26 305.4 307.9 295.8 346.5 13.74 4 960 444 29.4 18.4 52 11.0 21.6 359 27 306.1 308.7 296.2 348.1 14.01 5 953 508 29.2 17.2 48 12.0 20.8 353 29 306.5 309.0 295.7 345.8 13.06 6 925 766 27.2 16.2 51 11.0 19.6 330 37 307.1 309.5 295.6 345.2 12.62 7 850 1510 22.6 11.6 50 11.0 15.4 335 29 309.8 311.7 294.5 340.8 10.15 8 779 2261 16.2 11.2 72 5.0 12.9 335 26 310.8 312.8 295.3 343.8 10.79 9 737 2732 14.6 4.6 51 10.0 8.7 335 24 314.0 315.4 293.4 336.6 7.23 10 700 3166 11.4 4.4 62 7.0 7.3 335 22 315.1 316.6 294.0 338.7 7.51 11 667 3568 8.6 0.6 57 8.0 4.2 326 22 316.3 317.5 293.2 335.4 6.00 12 665 3593 8.6 -1.4 49 10.0 3.3 326 22 316.6 317.6 292.6 333.2 5.20 13 583 4664 -0.5 -5.5 69 5.0 -2.9 302 22 318.1 319.0 292.3 332.2 4.36 14 565 4914 -2.1 -5.4 78 3.3 -3.7 297 22 319.1 320.0 292.7 333.8 4.53 15 555 5056 -2.1 -13.1 43 11.0 -6.5 294 22 320.8 321.3 291.5 329.1 2.51 16 536 5333 -3.9 -19.9 28 16.0 -9.2 287 22 321.8 322.1 290.8 326.9 1.47 17 526 5481 -4.7 -26.7 16 22.0 -10.8 284 22 322.6 322.8 290.4 325.5 0.82 18 523 5527 -4.3 -30.3 11 26.0 -11.0 283 22 323.6 323.7 290.5 325.7 0.59 19 500 5880 -6.7 -18.7 38 12.0 -10.8 275 22 324.9 325.2 292.0 330.9 1.75 20 466 6426 -11.3 -17.3 61 6.0 -13.3 281 26 325.8 326.2 292.5 333.0 2.11 21 450 6694 -13.5 -23.5 43 10.0 -16.3 284 28 326.3 326.5 291.9 330.8 1.28 22 438 6899 -15.3 -21.3 60 6.0 -17.1 287 29 326.5 326.8 292.3 332.1 1.59 23 431 7021 -15.7 -39.7 11 24.0 -19.8 288 30 327.5 327.6 291.3 328.6 0.28 24 408 7432 -18.9 -24.9 59 6.0 -20.4 293 33 328.6 328.8 292.5 333.0 1.24 25 405 7488 -19.3 -26.3 54 7.0 -21.0 294 33 328.7 329.0 292.4 332.7 1.10 26 400 7580 -19.7 -36.7 21 17.0 -22.7 295 34 329.4 329.5 292.0 330.9 0.41 27 391 7749 -19.9 -46.9 7 27.0 -23.4 291 35 331.3 331.3 292.2 331.8 0.14 28 366 8235 -23.7 -53.7 5 30.0 -26.6 280 37 332.5 332.5 292.4 332.8 0.07 29 358 8396 -24.7 -29.3 66 4.6 -25.6 276 38 333.3 333.5 293.5 336.8 0.94 30 332 8940 -28.7 -34.7 56 6.0 -29.7 263 41 335.1 335.2 293.7 337.4 0.61 31 325 9092 -29.1 -45.1 20 16.0 -30.9 259 42 336.6 336.6 293.7 337.4 0.21 32 322 9158 -29.1 -58.1 4 29.0 -31.3 257 42 337.5 337.5 293.7 337.7 0.05 33 300 9660 -32.7 -58.7 6 26.0 -34.4 245 45 339.3 339.3 294.2 339.5 0.05 34 280 10142 -35.7 -62.7 5 27.0 -37.1 243 43 341.7 341.7 294.8 341.9 0.03 35 266 10496 -38.1 -58.1 10 20.0 -39.2 242 42 343.3 343.3 295.1 343.5 0.06 36 260 10653 -39.5 -44.5 59 5.0 -39.9 241 42 343.5 343.5 295.4 344.6 0.28 37 252 10866 -40.7 -45.6 59 4.9 -41.1 240 41 344.8 344.8 295.7 345.8 0.26 38 251 10893 -40.9 -45.8 59 4.9 -41.3 240 41 344.9 344.9 295.7 345.9 0.25 39 250 10920 -41.1 -45.7 61 4.6 -41.5 240 41 345.0 345.0 295.7 346.0 0.26 40 232 11422 -45.5 -47.9 77 2.4 -45.7 233 37 345.7 345.8 295.9 346.6 0.22 41 228 11537 -46.5 -51.5 57 5.0 -46.8 232 36 345.9 346.0 295.8 346.5 0.15 42 200 12390 -54.3 -58.6 59 4.3 -54.4 220 30 346.8 346.8 296.0 347.1 0.07 43 196 12519 -55.7 -58.7 69 3.0 -55.8 218 31 346.6 346.6 295.9 346.9 0.07 44 150 14170 -70.3 -75.3 48 5.0 -70.4 190 46 349.0 349.0 296.4 349.0 0.01 45 147 14289 -71.3 -77.3 40 6.0 -71.3 196 47 349.3 349.3 296.5 349.3 0.01 46 125 15228 -77.9 -82.9 44 5.0 -77.9 240 54 353.9 353.9 297.5 353.9 0.00 47 100 16510 -74.5 -84.5 20 10.0 -74.5 270 46 383.8 383.8 302.9 383.8 0.00 48 96 16748 -75.5 -85.5 19 10.0 -75.5 251 43 386.3 386.3 303.2 386.3 0.00 49 81 17738 -74.1 -87.1 12 13.0 -74.2 170 28 408.4 408.4 306.3 408.5 0.00 50 75 18194 -68.5 -88.5 4 20.0 -68.7 133 22 429.3 429.3 308.7 429.3 0.00 51 75 18194 -62.3 -87.3 2 25.0 -62.6 133 22 442.3 442.3 310.1 442.3 0.00 52 70 18620 -63.3 -88.3 2 25.0 -63.6 100 16 449.0 449.0 310.7 449.0 0.00 53 55 20097 -66.1 -90.1 2 24.0 -66.4 197 15 474.6 474.6 313.0 474.6 0.00 54 50 20680 -63.3 -89.3 2 26.0 -63.7 235 14 494.3 494.3 314.5 494.3 0.00 55 33 23250 -59.9 -88.9 1 29.0 -60.7 121 8 565.7 565.7 318.9 565.7 0.00 56 30 23850 -56.1 -87.1 1 31.0 -57.5 95 7 591.7 591.7 320.2 591.7 0.01 57 25 25018 -51.7 -85.7 1 34.0 -54.2 97 12 636.0 636.0 322.2 636.1 0.01 58 20 26450 -55.7 -86.7 1 31.0 -57.8 100 19 665.7 665.7 323.3 665.8 0.01 59 19 26776 -56.3 -87.3 1 31.0 -58.3 673.7 673.7 323.6 673.7 0.01 60 15 28288 -53.3 -85.3 1 32.0 -56.5 730.7 730.8 325.4 730.9 0.02 61 13 29224 -46.3 -83.3 1 37.0 -52.4 785.5 785.5 326.9 785.8 0.03 TRP 125 15228 -77.9 -82.9 44 5.0 -77.9 240 54 353.9 353.9 297.5 353.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5807.00 m Freezing level: 587.51 mb = 4605.13 m = 15108.50 ft Wetbulb zero: 621.42 mb = 4144.41 m = 13596.98 ft Precipitable water: 1.71 inches Sfc-500 mean rel hum: 53.99 % Est. max temperature: 36.60 C = 97.87 F Sfc-Lift cond lev (LCL): 915.87 mb = 853.30 m = 2799.51 ft T: 26.66 C 700-500 lapse rate: 6.67 C/km ThetaE index: 7.31 C Layer 953.0- 779.0 mb Conv cond level (CCL): 726.74 mb = 2850.30 m = 9351.25 ft Mean mixing ratio: 13.71 g/kg Conv temperature: 41.06 C = 105.91 F Cap Strength: 4.56 C Lifted Index: -2.44 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.37 C Lifted Index @700 mb: 1.83 C Showalter Index: -0.25 C Risk: Thunderstorms probable Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 18.30 C K Index: 33.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 219.20 Risk: None Energy Index: -1.87 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 821.33 J/kg Max Up Vert Vel: 40.53 m/s Conv Inhibition (B-): 289.70 J/kg Cap Strength: 4.56 C Lift Cond Lev (LCL): 823.08 mb = 1787.27 m = 5863.69 ft Lev Free Conv (LFC): 638.08 mb = 3929.02 m = 12890.32 ft Equ Level (EL): 248.08 mb = 10971.83 m = 35996.39 ft B at Equ Level: 820.71 J/kg Max Parcel Lev (MPL): 108.08 mb = 16063.60 m = 52701.45 ft Wind level data Storm motion: 352 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 ---------------------------------------------------------- 0 999 101 30 17 -8.5 -14.7 | 109 12 -11.0 3.7 1 925 766 330 37 18.5 -32.0 | 310 21 16.0 -13.6 2 850 1510 335 29 12.3 -26.3 | 309 13 9.8 -7.8 3 700 3166 335 22 9.3 -19.9 | 282 7 6.8 -1.5 4 500 5880 275 22 21.9 -1.9 | 230 26 19.5 16.5 5 400 7580 295 34 30.8 -14.4 | 262 29 28.4 4.1 6 300 9660 245 45 40.8 19.0 | 226 54 38.3 37.5 7 250 10920 240 41 35.5 20.5 | 220 51 33.0 38.9 8 200 12390 220 30 19.3 23.0 | 202 45 16.8 41.4 9 150 14170 190 46 8.0 45.3 | 185 64 5.5 63.7 10 125 15228 240 54 46.8 27.0 | 224 63 44.3 45.4 11 100 16510 270 46 46.0 -0.0 | 247 47 43.5 18.4 12 70 18620 100 16 -15.8 2.8 | 139 28 -18.2 21.2 13 50 20680 235 14 11.5 8.0 | 199 28 9.0 26.5 14 30 23850 95 7 -7.0 0.6 | 154 21 -9.4 19.0 15 20 26450 100 19 -18.7 3.3 | 136 30 -21.2 21.7 Wind Parameters Mean winds (0-6000m): 322.4 at 24.8 knts Storm direction: 352.4 at 18.6 knts Shear (0-3000m) pos: 0.9 neg: 4.0 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 175.4 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -100.4 tot: -100.3 m^2/s^2 ave: -33.4 10^-3 m/s^2 rel: -0.69 Storm rel vorticity (0-3000m) horiz: 8.5 stream: -5.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 34.20 Bulk Shear: 24.02 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 ------------------------------------------------------------------------------- 500 354 24 360 6| 0.0 24.1 24.1| 0.0 -56.3 -56.3 -112.7 -0.91| 25.5-23.3 1000 341 30 323 12| 0.0 14.5 14.5| 0.1 -89.0 -88.8 -88.8 -0.78| 19.7-15.4 1500 338 30 318 13| 1.7 9.7 11.4| 0.1 -91.1 -91.0 -60.6 -0.71| 14.8-10.5 2000 337 29 315 12| 1.3 6.8 8.1| 0.1 -94.2 -94.1 -47.0 -0.70| 11.7 -8.1 2500 337 29 312 12| 1.0 5.1 6.1| 0.1 -97.3 -97.2 -38.9 -0.69| 9.8 -6.7 3000 337 28 310 11| 0.9 4.0 4.8| 0.1-100.4-100.3 -33.4 -0.69| 8.5 -5.9 4000 334 26 301 10| 0.6 3.6 4.2| 0.1-112.7-112.5 -28.1 -0.67| 7.4 -5.0 5000 329 25 288 11| 0.5 3.3 3.9| 0.1-134.9-134.7 -26.9 -0.66| 6.8 -4.5 6000 322 25 275 13| 0.4 3.1 3.5| 11.4-160.5-149.1 -24.8 -0.62| 6.4 -4.0 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251016.12.gif