UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 25 DEC 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 71 20 14 SFC 999 101 27.2 25.0 88 2.2 25.6 20 14 300.4 304.2 298.8 360.3 20.35 2 960 443 25.6 21.3 77 4.3 22.5 359 20 302.3 305.4 297.1 352.0 16.84 3 955 487 26.8 19.8 66 7.0 21.8 357 20 303.9 306.8 296.5 349.7 15.40 4 925 761 24.8 17.8 65 7.0 19.9 340 25 304.7 307.3 295.8 346.4 14.00 5 861 1387 20.6 15.7 73 4.9 17.2 344 28 306.6 309.1 295.8 346.1 13.14 6 850 1498 20.0 13.0 64 7.0 15.4 345 28 307.1 309.2 294.5 340.7 11.14 7 738 2703 12.8 2.8 51 10.0 7.1 341 26 311.9 313.1 292.2 331.7 6.35 8 730 2794 12.2 7.2 71 5.0 9.1 341 26 312.2 313.9 294.1 339.3 8.77 9 713 2992 12.0 1.0 47 11.0 5.9 340 25 314.1 315.2 292.3 332.3 5.78 10 700 3146 10.6 3.6 62 7.0 6.5 340 25 314.2 315.6 293.4 336.5 7.10 11 666 3559 7.8 3.1 72 4.7 5.1 339 24 315.6 317.0 293.9 338.3 7.20 12 639 3900 5.8 -0.2 65 6.0 2.5 337 23 317.1 318.2 293.3 335.9 5.91 13 616 4199 3.8 2.6 92 1.2 3.1 336 22 318.1 319.6 294.8 342.0 7.52 14 545 5186 -1.7 -2.0 98 0.3 -1.9 333 20 322.9 324.1 295.0 342.7 6.07 15 506 5776 -3.5 -10.5 58 7.0 -6.6 330 18 327.7 328.3 294.1 339.1 3.40 16 500 5870 -4.3 -7.0 81 2.7 -5.6 330 18 327.8 328.7 295.0 342.9 4.53 17 498 5902 -4.5 -6.8 84 2.3 -5.6 330 18 327.9 328.9 295.1 343.4 4.62 18 451 6680 -8.3 -11.5 78 3.2 -9.7 325 20 332.6 333.3 295.4 344.7 3.52 19 449 6715 -7.9 -20.9 34 13.0 -12.3 325 20 333.5 333.8 294.1 339.3 1.61 20 437 6926 -9.3 -20.3 40 11.0 -13.0 324 21 334.3 334.7 294.4 340.6 1.74 21 434 6979 -9.7 -15.7 62 6.0 -12.0 324 21 334.5 335.0 295.2 343.6 2.59 22 428 7087 -8.7 -18.7 44 10.0 -12.3 323 21 337.1 337.5 295.4 344.4 2.04 23 410 7420 -10.9 -39.9 7 29.0 -16.8 321 22 338.4 338.5 294.2 339.6 0.29 24 400 7610 -12.5 -40.5 8 28.0 -17.9 320 23 338.7 338.8 294.3 339.8 0.28 25 346 8696 -20.1 -50.1 5 30.0 -24.0 312 25 342.8 342.8 295.1 343.3 0.11 26 315 9381 -26.1 -48.1 11 22.0 -28.7 308 26 343.8 343.8 295.4 344.4 0.16 27 300 9730 -29.1 -39.1 37 10.0 -30.6 305 27 344.4 344.5 295.7 346.1 0.43 28 290 9972 -31.3 -37.3 55 6.0 -32.2 300 26 344.6 344.7 295.9 346.7 0.53 29 254 10901 -38.5 -43.5 59 5.0 -39.0 282 22 347.2 347.3 296.3 348.5 0.32 30 250 11010 -39.3 -46.3 47 7.0 -39.9 280 21 347.6 347.7 296.3 348.6 0.24 31 236 11403 -42.3 -53.3 29 11.0 -42.9 272 21 348.9 348.9 296.5 349.4 0.11 32 212 12119 -48.7 -54.7 50 6.0 -49.0 258 21 349.8 349.8 296.7 350.2 0.11 33 200 12500 -51.5 -59.5 38 8.0 -51.8 250 21 351.2 351.2 297.0 351.5 0.06 34 184 13035 -56.3 -61.1 55 4.8 -56.4 264 18 351.9 351.9 297.1 352.1 0.06 35 167 13644 -61.3 -70.3 29 9.0 -61.4 281 13 353.5 353.5 297.4 353.5 0.02 36 156 14062 -65.1 -73.1 32 8.0 -65.2 293 11 353.9 353.9 297.5 354.0 0.01 37 153 14180 -66.3 -69.7 62 3.4 -66.3 297 10 353.9 353.9 297.5 354.0 0.02 38 150 14300 -67.3 -70.8 61 3.5 -67.3 300 9 354.2 354.2 297.5 354.2 0.02 39 133 15016 -72.5 -79.5 34 7.0 -72.5 312 11 357.3 357.3 298.2 357.3 0.01 40 114 15909 -77.9 -81.4 57 3.5 -77.9 328 13 363.3 363.3 299.4 363.4 0.00 41 106 16322 -81.1 -86.1 43 5.0 -81.1 335 14 364.9 364.9 299.7 364.9 0.00 42 100 16650 -80.7 -86.7 36 6.0 -80.7 355 28 371.8 371.8 300.9 371.8 0.00 43 88 17375 -77.5 -89.5 13 12.0 -77.5 15 22 392.1 392.1 304.1 392.1 0.00 44 70 18670 -81.9 -89.9 24 8.0 -81.9 50 12 409.2 409.2 306.4 409.2 0.00 45 69 18750 -82.3 -90.3 24 8.0 -82.3 50 13 410.0 410.0 306.5 410.0 0.00 46 61 19450 -75.1 -90.1 8 15.0 -75.2 54 18 440.7 440.7 310.0 440.7 0.00 47 56 19944 -76.3 -90.3 9 14.0 -76.3 57 22 448.9 448.9 310.7 448.9 0.00 48 52 20377 -70.1 -91.1 3 21.0 -70.2 59 25 473.0 473.0 312.9 473.0 0.00 49 50 20610 -68.9 -91.9 2 23.0 -69.1 60 27 481.1 481.1 313.5 481.1 0.00 50 46 21112 -66.3 -91.3 2 25.0 -66.6 60 26 499.0 499.0 314.9 499.0 0.00 51 43 21527 -59.7 -90.7 1 31.0 -60.4 60 26 525.0 525.0 316.6 525.0 0.00 52 40 21981 -58.9 -89.9 1 31.0 -59.7 60 25 537.9 537.9 317.4 538.0 0.00 53 34 22997 -60.7 -89.7 1 29.0 -61.4 60 23 558.8 558.8 318.6 558.8 0.00 54 30 23780 -58.3 -89.3 1 31.0 -59.4 60 22 585.7 585.7 319.9 585.7 0.00 55 21 26055 -52.7 -87.7 1 35.0 -55.4 73 22 665.5 665.5 323.3 665.6 0.01 56 20 26370 -53.5 -87.5 1 34.0 -56.1 75 22 672.4 672.4 323.5 672.5 0.01 57 19 26700 -53.5 -87.5 1 34.0 -56.2 682.4 682.4 323.9 682.4 0.01 58 15 28244 -46.9 -85.9 0 39.0 -52.3 752.0 752.0 326.0 752.1 0.02 TRP 106 16322 -81.1 -86.1 43 5.0 -81.1 335 14 364.9 364.9 299.7 364.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 566.95 mb = 4880.71 m = 16012.64 ft Wetbulb zero: 571.45 mb = 4803.90 m = 15760.63 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 72.31 % Est. max temperature: 33.90 C = 93.02 F Sfc-Lift cond lev (LCL): 968.09 mb = 370.64 m = 1215.98 ft T: 25.94 C 700-500 lapse rate: 5.47 C/km ThetaE index: 28.62 C Layer 960.0- 730.0 mb Conv cond level (CCL): 815.66 mb = 1849.60 m = 6068.17 ft Mean mixing ratio: 16.00 g/kg Conv temperature: 35.27 C = 95.49 F Cap Strength: 2.65 C Lifted Index: -1.68 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.17 C Lifted Index @700 mb: -0.20 C Showalter Index: 2.18 C Risk: Showers probable Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 17.30 C K Index: 30.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 230.00 Risk: None Energy Index: 0.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 351.69 J/kg Max Up Vert Vel: 26.52 m/s Conv Inhibition (B-): 101.11 J/kg Cap Strength: 2.65 C Lift Cond Lev (LCL): 878.06 mb = 1215.51 m = 3987.85 ft Lev Free Conv (LFC): 733.06 mb = 2759.01 m = 9051.74 ft Equ Level (EL): 723.06 mb = 2874.37 m = 9430.23 ft B at Equ Level: 22.45 J/kg Max Parcel Lev (MPL): 123.06 mb = 15466.19 m = 50741.49 ft Wind level data Storm motion: 10 at 17 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 20 14 -4.8 -13.2 | 156 4 -1.7 3.9 1 925 761 340 25 8.6 -23.5 | 299 13 11.6 -6.4 2 850 1498 345 28 7.2 -27.0 | 314 14 10.3 -10.0 3 700 3146 340 25 8.6 -23.5 | 299 13 11.6 -6.4 4 500 5870 330 18 9.0 -15.6 | 263 12 12.1 1.5 5 400 7610 320 23 14.8 -17.6 | 272 18 17.9 -0.6 6 300 9730 305 27 22.1 -15.5 | 266 25 25.2 1.6 7 250 11010 280 21 20.7 -3.6 | 241 27 23.8 13.4 8 200 12500 250 21 19.7 7.2 | 223 33 22.8 24.2 9 150 14300 300 9 7.8 -4.5 | 221 17 10.9 12.6 10 106 16322 335 14 5.9 -12.7 | 244 10 9.0 4.4 11 100 16650 355 28 2.4 -27.9 | 333 12 5.5 -10.8 12 70 18670 50 12 -9.2 -7.7 | 147 11 -6.1 9.3 13 50 20610 60 27 -23.4 -13.5 | 100 21 -20.3 3.6 14 30 23780 60 22 -19.1 -11.0 | 111 17 -16.0 6.1 15 20 26370 75 22 -21.3 -5.7 | 122 21 -18.2 11.4 Wind Parameters Mean winds (0-6000m): 340.2 at 23.1 knts Storm direction: 10.2 at 17.3 knts Shear (0-3000m) pos: 0.3 neg: 2.8 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 143.1 deg Storm rel helicity (0-3000m) pos: 13.3 neg: -16.2 tot: -3.0 m^2/s^2 ave: -1.0 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 0.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 39.45 Bulk Shear: 8.92 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 ------------------------------------------------------------------------------- 500 359 18 287 4| 0.0 12.8 12.8| 0.7 -0.7 0.0 0.1 0.26| 13.9 3.7 1000 349 22 299 8| 0.0 9.0 9.0| 6.0 -3.3 2.7 2.7 0.21| 10.2 2.1 1500 347 23 305 10| 0.6 6.0 6.6| 13.3 -4.2 9.1 6.1 0.26| 7.6 2.0 2000 346 24 307 11| 0.5 4.4 4.9| 13.3 -8.3 5.0 2.5 0.20| 6.0 1.2 2500 345 25 307 12| 0.4 3.5 3.8| 13.3 -12.3 1.0 0.4 0.15| 5.0 0.7 3000 345 25 306 12| 0.3 2.8 3.1| 13.3 -16.2 -3.0 -1.0 0.10| 4.4 0.4 4000 343 25 303 12| 0.2 2.0 2.2| 13.3 -26.0 -12.8 -3.2 -0.01| 3.7 -0.0 5000 342 24 298 12| 0.2 1.5 1.7| 13.3 -35.5 -22.2 -4.4 -0.10| 3.2 -0.3 6000 340 23 293 12| 0.2 1.3 1.5| 14.5 -42.3 -27.9 -4.6 -0.15| 2.9 -0.4 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251225.12.gif