UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 5 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 ------------------------------------------------------------------------------- SFC 1000 101 28.4 14.4 42 14.0 19.1 120 12 301.5 303.5 292.3 332.2 10.36 1 947 568 26.2 9.2 34 17.0 15.7 57 11 304.0 305.5 290.9 327.3 7.73 2 925 769 24.4 11.4 44 13.0 16.1 30 11 304.3 306.0 292.2 331.8 9.19 3 867 1331 19.4 8.4 49 11.0 12.7 15 14 304.7 306.2 291.4 328.8 8.00 4 850 1501 18.0 7.0 49 11.0 11.4 10 15 305.0 306.4 291.0 327.4 7.41 5 819 1817 15.4 3.4 45 12.0 8.7 19 13 305.5 306.6 289.9 323.7 5.97 6 776 2272 13.4 -11.6 16 25.0 2.9 31 9 308.1 308.5 286.9 314.6 2.03 7 706 3065 13.0 53 4 316.1 8 700 3137 12.4 -35.6 2 48.0 -0.8 55 3 316.2 316.3 287.8 317.2 0.26 9 631 3998 7.0 -37.0 3 44.0 -4.2 81 4 319.6 319.6 288.9 320.5 0.25 10 617 4182 7.2 -39.8 2 47.0 -4.3 87 4 321.9 321.9 289.5 322.6 0.19 11 500 5870 -5.7 -38.7 5 33.0 -12.6 140 6 326.1 326.1 290.9 327.1 0.27 12 424 7134 -15.5 -51.5 3 36.0 -20.1 229 7 329.3 329.3 291.6 329.6 0.08 13 400 7570 -18.5 -51.5 4 33.0 -22.5 260 8 330.9 331.0 292.0 331.3 0.08 14 393 7701 -19.5 -51.5 4 32.0 -23.2 259 9 331.3 331.3 292.2 331.7 0.08 15 378 7989 -21.5 -32.5 36 11.0 -23.7 256 11 332.4 332.5 293.0 334.8 0.66 16 375 8048 -21.5 -48.5 7 27.0 -24.8 256 12 333.1 333.2 292.7 333.6 0.12 17 334 8893 -26.1 -41.1 23 15.0 -28.2 247 19 338.1 338.1 294.1 339.3 0.31 18 300 9660 -32.5 -43.5 33 11.0 -33.7 240 25 339.6 339.6 294.5 340.6 0.27 19 287 9972 -34.7 -47.7 26 13.0 -35.8 244 30 340.8 340.8 294.7 341.5 0.18 20 261 10628 -40.9 -45.9 58 5.0 -41.3 251 40 341.0 341.1 294.8 342.0 0.24 21 250 10920 -43.5 -49.5 51 6.0 -43.9 255 45 341.4 341.4 294.8 342.1 0.17 22 223 11677 -50.1 -54.9 57 4.8 -50.3 252 48 342.6 342.6 295.0 343.0 0.10 23 204 12253 -53.7 -67.7 16 14.0 -53.9 250 50 345.8 345.8 295.7 345.9 0.02 24 200 12380 -53.9 -73.9 7 20.0 -54.2 250 50 347.4 347.4 296.1 347.4 0.01 25 199 12412 -53.9 -73.9 7 20.0 -54.2 251 50 347.9 347.9 296.2 347.9 0.01 26 157 13900 -64.1 -79.1 11 15.0 -64.2 279 43 355.0 355.0 297.7 355.0 0.00 27 151 14139 -63.1 -81.1 7 18.0 -63.2 284 42 360.7 360.7 298.8 360.7 0.00 28 150 14180 -63.3 -81.3 7 18.0 -63.4 285 42 361.0 361.0 298.9 361.0 0.00 29 115 15774 -72.3 -86.3 10 14.0 -72.3 262 34 372.8 372.8 301.1 372.8 0.00 30 100 16590 -74.7 -90.7 7 16.0 -74.7 250 30 383.4 383.4 302.8 383.4 0.00 31 80 17876 -79.1 -90.1 15 11.0 -79.1 255 11 399.6 399.6 305.2 399.6 0.00 32 70 18640 -77.7 -89.7 13 12.0 -77.7 160 7 418.2 418.2 307.5 418.2 0.00 33 68 18806 -77.3 -89.3 13 12.0 -77.3 150 8 422.5 422.5 308.0 422.5 0.00 34 54 20157 -67.9 -89.9 3 22.0 -68.1 67 15 473.0 473.0 312.9 473.0 0.00 35 50 20620 -66.7 -90.7 2 24.0 -67.0 40 17 486.3 486.3 314.0 486.3 0.00 36 43 21535 -65.9 -90.9 2 25.0 -66.2 52 20 509.7 509.7 315.6 509.7 0.00 37 30 23760 -58.7 -88.7 1 30.0 -59.7 80 28 584.6 584.6 319.9 584.6 0.00 38 27 24428 -54.9 -86.9 1 32.0 -56.6 613.2 613.2 321.2 613.2 0.01 39 22 25733 -56.1 -87.1 1 31.0 -57.9 646.6 646.6 322.6 646.6 0.01 TRP 80 17876 -79.1 -90.1 15 11.0 -79.1 255 11 399.6 399.6 305.2 399.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 551.70 mb = 5124.07 m = 16811.06 ft Wetbulb zero: 716.48 mb = 2941.71 m = 9651.16 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 19.34 % Est. max temperature: 31.85 C = 89.33 F Sfc-Lift cond lev (LCL): 815.28 mb = 1855.25 m = 6086.71 ft T: 15.23 C 700-500 lapse rate: 6.62 C/km ThetaE index: 17.14 C Layer 867.0- 706.0 mb Conv cond level (CCL): 588.21 mb = 4565.55 m = 14978.65 ft Mean mixing ratio: 8.88 g/kg Conv temperature: 49.74 C = 121.52 F Cap Strength: 8.41 C Lifted Index: 5.53 C Risk: None Lifted Index @300 mb: 7.76 C Lifted Index @700 mb: 8.04 C Showalter Index: 6.82 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 12.70 C K Index: -17.30 Risk: None Sweat Index: 120.00 Risk: None Energy Index: 0.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.88 J/kg Max Up Vert Vel: 4.67 m/s Conv Inhibition (B-): 29269.36 J/kg Cap Strength: 8.40 C Lift Cond Lev (LCL): 766.34 mb = 2376.86 m = 7798.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 81 at 6 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 101 120 12 -10.4 6.0 | 145 8 -4.8 6.9 1 925 769 30 11 -5.5 -9.5 | 360 9 0.1 -8.6 2 850 1501 10 15 -2.6 -14.8 | 348 14 3.0 -13.8 3 700 3137 55 3 -2.5 -1.7 | 284 3 3.1 -0.8 4 500 5870 140 6 -3.9 4.6 | 197 6 1.7 5.5 5 400 7570 260 8 7.9 1.4 | 260 14 13.4 2.3 6 300 9660 240 25 21.7 12.5 | 244 30 27.2 13.4 7 250 10920 255 45 43.5 11.6 | 256 51 49.0 12.6 8 200 12380 250 50 47.0 17.1 | 251 56 52.6 18.0 9 150 14180 285 42 40.6 -10.9 | 282 47 46.1 -9.9 10 100 16590 250 30 28.2 10.3 | 252 36 33.8 11.2 11 80 17876 255 11 10.6 2.8 | 257 17 16.2 3.8 12 70 18640 160 7 -2.4 6.6 | 203 8 3.2 7.5 13 50 20620 40 17 -10.9 -13.0 | 24 13 -5.4 -12.1 14 30 23760 80 28 -27.6 -4.9 | 80 22 -22.0 -3.9 Wind Parameters Mean winds (0-6000m): 50.6 at 7.5 knts Storm direction: 80.6 at 5.6 knts Shear (0-3000m) pos: 2.1 neg: 3.6 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 143.6 deg Storm rel helicity (0-3000m) pos: 4.3 neg: -41.8 tot: -37.5 m^2/s^2 ave: -12.5 10^-3 m/s^2 rel: -0.59 Storm rel vorticity (0-3000m) horiz: 6.5 stream: -3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.30 Bulk Shear: 8.38 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 93 12 105 6| 0.0 13.3 13.3| 0.0 -22.4 -22.4 -44.8 -0.96| 14.2-13.6 1000 56 12 37 7| 0.0 9.7 9.7| 0.0 -32.6 -32.6 -32.6 -0.87| 10.7 -9.3 1500 37 12 12 9| 0.0 7.3 7.3| 1.3 -37.8 -36.5 -24.3 -0.76| 8.6 -6.6 2000 31 12 5 10| 1.2 5.5 6.7| 4.3 -37.8 -33.5 -16.8 -0.61| 7.7 -4.7 2500 30 12 2 9| 1.8 4.4 6.2| 4.3 -39.0 -34.7 -13.9 -0.56| 7.0 -3.9 3000 28 11 356 8| 2.1 3.6 5.7| 4.3 -41.8 -37.5 -12.5 -0.59| 6.5 -3.8 4000 32 9 353 7| 1.7 2.7 4.5| 4.3 -42.7 -38.4 -9.6 -0.59| 5.2 -3.1 5000 40 8 355 5| 1.7 2.2 3.9| 4.3 -43.6 -39.3 -7.9 -0.59| 4.4 -2.6 6000 51 8 4 4| 1.7 1.8 3.5| 6.0 -43.7 -37.7 -6.3 -0.52| 4.1 -2.1 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251205.12.gif