UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 11 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 62 0 0 SFC 998 101 23.4 20.2 82 3.2 21.2 0 0 296.7 299.4 294.4 340.3 15.10 2 997 110 25.6 17.6 61 8.0 20.1 359 0 299.0 301.3 293.4 336.3 12.80 3 966 377 22.4 14.4 61 8.0 17.2 336 1 298.5 300.4 291.6 329.8 10.73 4 925 742 21.4 11.4 53 10.0 15.1 305 3 301.2 302.9 291.2 328.3 9.19 5 885 1124 19.6 8.6 49 11.0 12.9 310 7 303.2 304.6 290.8 326.9 7.94 6 850 1471 18.4 0.4 30 18.0 8.8 315 10 305.4 306.3 288.6 319.6 4.63 7 804 1945 17.0 -16.0 9 33.0 3.9 291 12 308.8 309.1 286.5 313.3 1.36 8 789 2106 16.4 -14.6 11 31.0 3.8 282 12 309.9 310.2 287.1 315.0 1.56 9 745 2591 14.0 -10.0 18 24.0 3.3 257 14 312.4 312.8 288.8 320.1 2.40 10 700 3111 9.4 -9.6 25 19.0 1.0 230 16 312.9 313.4 289.2 321.4 2.63 11 627 4013 3.0 -13.0 30 16.0 -3.4 238 21 315.6 316.0 289.6 323.0 2.24 12 615 4169 1.6 -7.4 51 9.0 -2.5 240 22 315.7 316.4 290.9 327.2 3.57 13 601 4355 2.4 -16.6 23 19.0 -4.7 241 23 318.7 319.1 290.2 324.6 1.74 14 573 4740 1.4 -39.6 3 41.0 -7.9 245 25 322.0 322.0 289.6 322.8 0.21 15 500 5820 -7.1 -26.1 20 19.0 -12.4 255 31 324.4 324.6 291.0 327.6 0.91 16 493 5930 -8.1 -26.1 22 18.0 -13.0 255 32 324.5 324.7 291.0 327.7 0.92 17 482 6104 -9.7 -18.7 48 9.0 -12.7 255 33 324.6 325.0 291.9 330.8 1.81 18 477 6184 -9.9 -23.9 31 14.0 -13.9 255 34 325.3 325.6 291.6 329.4 1.16 19 457 6513 -12.7 -17.7 66 5.0 -14.4 255 37 325.8 326.2 292.5 333.0 2.08 20 446 6698 -12.7 -28.7 25 16.0 -16.7 255 39 328.1 328.3 292.0 331.0 0.80 21 400 7520 -17.9 -46.9 6 29.0 -21.9 255 46 331.7 331.8 292.3 332.3 0.14 22 399 7539 -17.9 -46.9 6 29.0 -21.9 255 46 332.0 332.0 292.4 332.5 0.14 23 362 8256 -22.9 -51.9 5 29.0 -26.0 255 55 334.6 334.7 293.0 335.0 0.09 24 303 9530 -32.3 -55.3 8 23.0 -34.0 255 72 338.9 338.9 294.1 339.2 0.07 25 300 9600 -33.1 -55.1 9 22.0 -34.7 255 73 338.7 338.7 294.1 339.0 0.07 26 250 10860 -43.9 -51.9 41 8.0 -44.3 255 76 340.8 340.8 294.6 341.3 0.13 27 212 11946 -53.1 -59.1 48 6.0 -53.3 255 75 342.9 342.9 295.1 343.2 0.06 28 200 12320 -55.3 -63.3 36 8.0 -55.5 255 74 345.2 345.2 295.6 345.4 0.04 29 189 12677 -57.9 -66.6 32 8.7 -58.0 260 78 346.7 346.7 295.9 346.8 0.03 30 170 13336 -62.7 -72.7 25 10.0 -62.8 253 75 349.3 349.3 296.5 349.4 0.01 31 154 13940 -64.5 -79.5 11 15.0 -64.6 247 73 356.3 356.3 298.0 356.3 0.00 32 150 14100 -65.9 -79.9 12 14.0 -66.0 245 72 356.6 356.6 298.0 356.6 0.00 33 125 15192 -72.5 -82.5 21 10.0 -72.5 238 63 363.7 363.7 299.4 363.7 0.00 34 114 15733 -73.5 -85.5 14 12.0 -73.5 235 58 371.5 371.5 300.8 371.5 0.00 35 100 16500 -73.7 -90.7 6 17.0 -73.7 220 48 385.3 385.3 303.1 385.3 0.00 36 77 18032 -70.5 -88.5 5 18.0 -70.6 249 27 421.9 421.9 307.9 421.9 0.00 37 70 18590 -74.3 -89.3 8 15.0 -74.3 260 20 425.4 425.4 308.3 425.4 0.00 38 67 18844 -76.1 -90.1 9 14.0 -76.2 280 19 426.9 426.9 308.5 426.9 0.00 39 59 19592 -68.3 -89.3 3 21.0 -68.5 336 18 460.2 460.2 311.8 460.2 0.00 40 50 20580 -70.3 -90.3 4 20.0 -70.5 50 16 477.8 477.8 313.2 477.8 0.00 41 46 21075 -71.5 -91.5 4 20.0 -71.6 48 15 486.5 486.5 314.0 486.5 0.00 42 39 22064 -66.1 -91.1 2 25.0 -66.4 43 12 523.6 523.6 316.5 523.6 0.00 43 36 22556 -60.9 -90.9 1 30.0 -61.6 40 10 549.2 549.2 318.1 549.2 0.00 44 30 23700 -57.5 -89.5 1 32.0 -58.7 35 7 587.9 587.9 320.0 587.9 0.00 45 27 24368 -55.9 -88.9 1 33.0 -57.5 610.4 610.4 321.1 610.4 0.01 46 26 24607 -57.9 -88.9 1 31.0 -59.2 611.3 611.3 321.1 611.3 0.01 47 21 25975 -51.1 -87.1 1 36.0 -54.2 670.3 670.3 323.4 670.4 0.01 TRP 114 15733 -73.5 -85.5 14 12.0 -73.5 235 58 371.5 371.5 300.8 371.5 0.00 WND 189 12677 -57.9 -66.6 32 8.7 -58.0 260 78 346.7 346.7 295.9 346.8 0.03 Sounding variables and indices 1000-500 mb thick: 5758.00 m Freezing level: 560.98 mb = 4917.84 m = 16134.43 ft Wetbulb zero: 683.35 mb = 3308.25 m = 10853.71 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 26.87 % Est. max temperature: 32.24 C = 90.03 F Sfc-Lift cond lev (LCL): 952.53 mb = 495.21 m = 1624.67 ft T: 22.08 C 700-500 lapse rate: 6.09 C/km ThetaE index: 26.99 C Layer 997.0- 789.0 mb Conv cond level (CCL): 690.02 mb = 3228.65 m = 10592.54 ft Mean mixing ratio: 10.20 g/kg Conv temperature: 39.93 C = 103.87 F Cap Strength: 7.12 C Lifted Index: 4.13 C Risk: None Lifted Index @300 mb: 7.19 C Lifted Index @700 mb: 5.07 C Showalter Index: 9.52 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 7.50 C K Index: 6.90 Risk: None Sweat Index: 55.80 Risk: None Energy Index: 1.79 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.82 J/kg Max Up Vert Vel: 5.44 m/s Conv Inhibition (B-): 25981.98 J/kg Cap Strength: 7.11 C Lift Cond Lev (LCL): 830.04 mb = 1673.61 m = 5490.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 13 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 ---------------------------------------------------------- 0 998 101 0 0 -0.0 -0.0 | 103 13 -12.3 2.8 1 925 742 305 3 2.5 -1.7 | 96 10 -9.8 1.1 2 850 1471 315 10 7.1 -7.1 | 51 7 -5.2 -4.3 3 700 3111 230 16 12.3 10.3 | 180 13 -0.0 13.1 4 500 5820 255 31 29.9 8.0 | 238 21 17.7 10.8 5 400 7520 255 46 44.4 11.9 | 245 35 32.1 14.7 6 300 9600 255 73 70.5 18.9 | 250 62 58.2 21.7 7 250 10860 255 76 73.4 19.7 | 250 65 61.1 22.5 8 200 12320 255 74 71.5 19.2 | 250 63 59.2 22.0 9 189 12677 260 78 76.8 13.5 | 256 67 64.5 16.4 10 150 14100 245 72 65.3 30.4 | 238 63 53.0 33.2 11 114 15733 235 58 47.5 33.3 | 224 50 35.2 36.1 12 100 16500 220 48 30.9 36.8 | 205 44 18.6 39.6 13 70 18590 260 20 19.7 3.5 | 230 10 7.4 6.3 14 50 20580 50 16 -12.3 -10.3 | 73 26 -24.5 -7.5 15 30 23700 35 7 -4.0 -5.7 | 80 17 -16.3 -2.9 Wind Parameters Mean winds (0-6000m): 252.9 at 16.8 knts Storm direction: 282.9 at 12.6 knts Shear (0-3000m) pos: 0.0 neg: 2.7 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 77.3 deg Storm rel helicity (0-3000m) pos: 0.4 neg: -23.6 tot: -23.2 m^2/s^2 ave: -7.7 10^-3 m/s^2 rel: -0.27 Storm rel vorticity (0-3000m) horiz: 5.3 stream: -1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.43 Bulk Shear: 34.13 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 ------------------------------------------------------------------------------- 500 301 1 101 12| 0.0 2.4 2.4| 0.0 -4.7 -4.7 -9.5 -0.58| 2.6 -1.5 1000 307 3 97 10| 0.0 3.3 3.3| 0.1 -10.1 -10.0 -10.0 -0.56| 3.5 -2.0 1500 311 5 88 9| 0.0 3.6 3.6| 0.1 -16.9 -16.8 -11.2 -0.66| 4.0 -2.6 2000 304 6 85 7| 0.0 3.2 3.2| 0.2 -17.2 -17.0 -8.5 -0.39| 4.4 -1.7 2500 290 8 92 5| 0.0 2.9 2.9| 0.4 -17.7 -17.3 -6.9 -0.26| 4.9 -1.2 3000 273 9 124 4| 0.0 2.7 2.7| 0.4 -23.6 -23.2 -7.7 -0.27| 5.3 -1.4 4000 256 11 167 6| 0.8 2.1 2.8| 22.1 -23.6 -1.6 -0.4 -0.07| 4.7 -0.3 5000 252 14 188 7| 1.3 1.6 3.0| 48.8 -23.6 25.1 5.0 0.08| 4.5 0.4 6000 253 17 206 9| 1.7 1.4 3.1| 75.8 -23.6 52.2 8.7 0.17| 4.4 0.8 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251211.12.gif