UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 12 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 40 160 6 SFC 995 101 23.0 21.8 93 1.2 22.2 160 6 296.6 299.6 295.5 344.9 16.75 2 963 378 20.6 19.7 95 0.9 20.0 156 10 296.9 299.7 294.5 340.8 15.17 3 927 700 20.2 18.7 91 1.5 19.2 150 14 299.8 302.5 295.0 343.1 14.80 4 925 718 20.4 18.6 89 1.8 19.2 150 14 300.2 302.9 295.1 343.3 14.74 5 905 908 21.2 17.4 79 3.8 18.6 191 15 302.9 305.4 295.3 344.2 13.95 6 850 1449 17.6 15.1 85 2.5 15.9 310 18 304.6 307.0 295.0 342.8 12.80 7 816 1798 15.6 13.5 87 2.1 14.2 308 23 306.0 308.3 294.8 342.1 12.01 8 800 1967 16.8 11.8 72 5.0 13.6 307 25 309.1 311.1 294.9 342.3 10.94 9 700 3091 8.4 6.7 89 1.7 7.3 300 40 311.8 313.5 294.1 339.0 8.83 10 670 3452 5.4 5.3 99 0.1 5.4 295 41 312.4 313.9 293.9 338.3 8.37 11 615 4150 2.4 -0.3 82 2.7 1.0 285 42 316.7 317.8 293.3 336.0 6.10 12 586 4539 -0.9 -1.8 94 0.9 -1.4 279 42 317.2 318.3 293.2 335.5 5.73 13 583 4580 -0.3 -4.5 73 4.2 -2.4 278 42 318.4 319.3 292.7 333.5 4.70 14 572 4733 -1.1 -6.0 69 4.9 -3.4 276 42 319.2 320.0 292.6 333.1 4.27 15 517 5530 -8.5 -8.5 100 0.0 -8.5 264 44 319.6 320.4 292.3 332.3 3.90 16 513 5590 -8.1 -12.8 69 4.7 -9.9 263 44 320.8 321.3 291.7 330.1 2.78 17 506 5697 -8.9 -13.8 68 4.9 -10.8 261 44 321.1 321.6 291.6 329.8 2.60 18 501 5774 -8.7 -17.7 48 9.0 -11.8 260 44 322.2 322.6 291.3 328.7 1.90 19 500 5790 -8.7 -17.7 48 9.0 -11.8 260 44 322.4 322.8 291.4 328.9 1.90 20 478 6137 -11.7 -16.2 69 4.5 -13.3 257 46 322.9 323.3 291.9 330.5 2.26 21 476 6169 -12.1 -18.1 61 6.0 -14.0 257 46 322.8 323.2 291.5 329.4 1.93 22 473 6218 -11.3 -19.3 52 8.0 -13.9 256 46 324.4 324.7 291.8 330.4 1.75 23 453 6549 -12.3 -29.3 23 17.0 -16.4 253 48 327.1 327.3 291.7 329.9 0.75 24 446 6667 -13.5 -27.5 30 14.0 -17.0 252 48 327.1 327.3 291.8 330.3 0.90 25 440 6770 -13.7 -43.7 6 30.0 -18.6 251 49 328.1 328.2 291.4 328.8 0.18 26 433 6892 -13.9 -35.9 14 22.0 -18.3 250 49 329.4 329.5 292.0 330.9 0.41 27 400 7490 -18.1 -28.1 41 10.0 -20.5 245 52 331.5 331.7 293.0 334.9 0.95 28 396 7565 -18.9 -26.9 49 8.0 -20.8 245 52 331.4 331.6 293.1 335.2 1.07 29 392 7640 -19.5 -27.5 49 8.0 -21.4 244 52 331.6 331.8 293.1 335.3 1.02 30 385 7773 -20.1 -20.5 97 0.4 -20.2 244 52 332.5 332.9 294.1 339.3 1.94 31 381 7850 -20.5 -21.2 94 0.7 -20.7 243 52 332.9 333.3 294.2 339.5 1.85 32 372 8026 -20.5 -27.5 53 7.0 -22.2 242 53 335.2 335.5 294.1 339.2 1.08 33 335 8788 -27.3 -32.2 63 4.9 -28.2 239 53 336.1 336.3 294.1 339.0 0.77 34 300 9570 -33.3 -38.3 61 5.0 -34.0 235 54 338.4 338.5 294.4 340.2 0.47 35 284 9954 -36.1 -38.8 76 2.7 -36.4 238 50 339.8 339.9 294.7 341.6 0.47 36 250 10830 -43.1 -48.1 58 5.0 -43.5 245 41 342.0 342.0 295.0 342.8 0.20 37 222 11616 -49.5 -53.9 60 4.4 -49.7 232 40 344.0 344.0 295.4 344.4 0.11 38 200 12290 -54.3 -60.3 48 6.0 -54.5 220 39 346.8 346.8 296.0 347.0 0.06 39 190 12617 -57.3 -63.3 46 6.0 -57.4 224 45 347.1 347.1 296.0 347.3 0.04 40 177 13063 -59.9 -72.9 17 13.0 -60.0 228 52 349.9 349.9 296.6 350.0 0.01 41 150 14080 -67.7 -74.7 36 7.0 -67.8 240 70 353.5 353.5 297.4 353.5 0.01 42 145 14283 -69.5 -75.5 41 6.0 -69.5 240 71 353.8 353.8 297.4 353.8 0.01 43 125 15160 -72.6 -82.2 22 9.6 -72.6 240 78 363.6 363.6 299.4 363.6 0.00 44 123 15255 -72.9 -82.9 21 10.0 -72.9 240 76 364.6 364.6 299.6 364.7 0.00 45 105 16171 -77.7 -84.7 31 7.0 -77.7 245 57 372.4 372.4 301.0 372.4 0.00 46 100 16450 -77.5 -85.5 26 8.0 -77.5 245 64 378.0 378.0 301.9 378.0 0.00 47 98 16565 -78.1 -86.1 26 8.0 -78.1 240 61 379.0 379.0 302.1 379.0 0.00 48 86 17330 -68.3 -87.3 5 19.0 -68.4 205 42 413.2 413.2 306.9 413.2 0.00 49 73 18302 -72.5 -87.5 9 15.0 -72.6 161 17 424.2 424.2 308.2 424.2 0.00 50 72 18383 -72.7 -88.7 7 16.0 -72.8 158 15 425.4 425.4 308.3 425.4 0.00 51 70 18550 -69.3 -89.3 4 20.0 -69.4 150 11 436.1 436.1 309.5 436.1 0.00 52 68 18725 -66.1 -88.1 3 22.0 -66.3 163 12 446.7 446.7 310.6 446.7 0.00 53 60 19483 -67.5 -88.5 4 21.0 -67.7 219 17 459.8 459.8 311.8 459.8 0.00 54 50 20600 -60.9 -87.9 2 27.0 -61.4 300 24 500.0 500.0 314.9 500.0 0.00 55 48 20854 -59.5 -87.5 1 28.0 -60.2 298 24 509.2 509.2 315.6 509.2 0.00 56 41 21831 -62.1 -88.1 2 26.0 -62.6 290 25 526.2 526.2 316.7 526.2 0.00 57 32 23376 -57.7 -86.7 1 29.0 -58.8 278 26 576.6 576.6 319.5 576.6 0.01 58 30 23780 -59.9 -87.9 1 28.0 -60.8 275 26 581.3 581.3 319.8 581.4 0.01 59 29 23992 -60.3 -87.3 2 27.0 -61.2 275 26 585.9 585.9 319.9 585.9 0.01 60 24 25195 -51.9 -84.9 1 33.0 -54.5 275 25 642.9 642.9 322.4 643.0 0.01 61 20 26370 -54.7 -84.7 1 30.0 -57.0 275 25 668.7 668.7 323.4 668.9 0.02 62 18 27045 -53.9 -84.9 1 31.0 -56.6 691.7 691.7 324.1 691.8 0.02 TRP 105 16171 -77.7 -84.7 31 7.0 -77.7 245 57 372.4 372.4 301.0 372.4 0.00 WND 125 15160 -72.6 -82.2 22 9.6 -72.6 240 78 363.6 363.6 299.4 363.6 0.00 Sounding variables and indices 1000-500 mb thick: 5750.00 m Freezing level: 593.91 mb = 4432.72 m = 14542.85 ft Wetbulb zero: 603.16 mb = 4306.42 m = 14128.50 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 84.90 % Est. max temperature: 31.21 C = 88.17 F Sfc-Lift cond lev (LCL): 978.07 mb = 246.48 m = 808.65 ft T: 21.74 C 700-500 lapse rate: 6.34 C/km ThetaE index: 13.62 C Layer 700.0- 500.0 mb Conv cond level (CCL): 849.47 mb = 1454.34 m = 4771.40 ft Mean mixing ratio: 15.03 g/kg Conv temperature: 31.02 C = 87.83 F Cap Strength: 3.13 C Lifted Index: -3.09 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.92 C Lifted Index @700 mb: -0.17 C Showalter Index: -3.04 C Risk: Severe thunderstorms possible Total Totals Index: 50.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 23.80 C K Index: 39.70 Risk: > 80 % chance of thunderstorms Sweat Index: 283.20 Risk: None Energy Index: -2.72 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 479.32 J/kg Max Up Vert Vel: 30.96 m/s Conv Inhibition (B-): 140.27 J/kg Cap Strength: 3.04 C Lift Cond Lev (LCL): 920.33 mb = 761.89 m = 2499.60 ft Lev Free Conv (LFC): 695.33 mb = 3146.10 m = 10321.73 ft Equ Level (EL): 255.33 mb = 10685.04 m = 35055.48 ft B at Equ Level: 477.86 J/kg Max Parcel Lev (MPL): 145.33 mb = 14269.08 m = 46814.01 ft Wind level data Storm motion: 312 at 24 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 ---------------------------------------------------------- 0 995 101 160 6 -2.1 5.6 | 137 30 -20.1 21.9 1 925 718 150 14 -7.0 12.1 | 139 38 -25.1 28.4 2 850 1449 310 18 13.8 -11.6 | 138 6 -4.3 4.7 3 700 3091 300 40 34.6 -20.0 | 283 17 16.6 -3.7 4 500 5790 260 44 43.3 7.6 | 227 35 25.3 23.9 5 400 7490 245 52 47.1 22.0 | 217 48 29.1 38.3 6 300 9570 235 54 44.2 31.0 | 209 54 26.2 47.3 7 250 10830 245 41 37.2 17.3 | 210 39 19.1 33.6 8 200 12290 220 39 25.1 29.9 | 189 47 7.0 46.2 9 150 14080 240 70 60.6 35.0 | 220 67 42.6 51.3 10 125 15160 240 78 67.5 39.0 | 222 74 49.5 55.3 11 105 16171 245 57 51.7 24.1 | 220 53 33.6 40.4 12 100 16450 245 64 58.0 27.0 | 223 59 40.0 43.3 13 70 18550 150 11 -5.5 9.5 | 138 35 -23.6 25.8 14 50 20600 300 24 20.8 -12.0 | 213 5 2.7 4.3 15 30 23780 275 26 25.9 -2.3 | 209 16 7.9 14.0 16 20 26370 275 25 24.9 -2.2 | 206 16 6.9 14.1 Wind Parameters Mean winds (0-6000m): 282.0 at 32.4 knts Storm direction: 312.0 at 24.3 knts Shear (0-3000m) pos: 5.5 neg: 2.6 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 144.8 deg Storm rel helicity (0-3000m) pos: 189.3 neg: -13.3 tot: 176.0 m^2/s^2 ave: 58.7 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 4.1 10^-3/s Energy-Hel index: 0.55 Bulk Rich Number: 2.41 Bulk Shear: 199.22 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 ------------------------------------------------------------------------------- 500 154 9 138 33| 0.0 6.8 6.8| 6.0 -0.1 5.9 11.7 0.11| 6.8 0.7 1000 170 12 144 34| 9.7 3.4 13.1|164.9 -0.9 163.9 163.9 0.62| 15.4 9.5 1500 203 14 156 32| 10.9 2.3 13.2|181.4 -12.9 168.5 112.3 0.30| 18.5 5.6 2000 284 16 169 13| 8.2 0.8 9.0|185.0 -12.9 172.1 86.0 0.35| 15.7 5.5 2500 295 19 173 8| 6.6 1.8 8.3|188.1 -12.9 175.2 70.1 0.35| 14.0 4.8 3000 297 22 194 6| 5.5 2.6 8.1|189.3 -13.3 176.0 58.7 0.32| 12.8 4.1 4000 295 27 230 8| 4.1 2.8 6.9|189.3 -60.1 129.2 32.3 0.17| 11.0 1.9 5000 289 30 237 12| 3.3 3.0 6.3|189.3-119.1 70.2 14.0 0.06| 9.9 0.6 6000 282 32 235 17| 2.7 3.2 6.0|189.3-179.1 10.2 1.7 -0.01| 9.2 -0.1 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251012.12.gif