UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 19 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 1001 101 27.2 20.2 66 7.0 22.2 80 10 300.3 303.0 295.4 344.4 15.05 1 1000 88 27.4 19.4 62 8.0 21.8 80 6 300.5 303.2 294.9 342.5 14.32 2 964 412 25.8 14.8 51 11.0 18.5 64 12 302.1 304.1 293.0 334.8 11.04 3 925 774 22.6 13.6 57 9.0 16.7 45 18 302.4 304.4 292.8 333.9 10.64 4 858 1423 17.0 10.0 63 7.0 12.7 343 6 303.1 304.8 291.7 330.0 9.02 5 850 1503 17.4 4.4 42 13.0 10.0 335 5 304.4 305.5 289.7 323.0 6.17 6 845 1553 18.8 -5.2 19 24.0 7.2 337 5 306.4 306.9 287.4 316.0 3.07 7 829 1717 19.4 -15.6 8 35.0 5.2 341 6 308.7 308.9 286.4 313.2 1.37 8 819 1821 19.2 -24.8 4 44.0 4.1 345 6 309.5 309.6 285.9 311.7 0.62 9 749 2582 16.2 8 8 314.3 10 702 3126 11.0 -19.0 10 30.0 -0.1 24 9 314.4 314.6 288.2 318.5 1.21 11 700 3150 11.0 -25.0 6 36.0 -0.8 25 9 314.7 314.8 287.8 317.2 0.72 12 614 4230 4.8 348 9 319.6 13 597 4458 3.6 -26.4 9 30.0 -5.6 340 9 320.7 320.9 289.8 323.4 0.74 14 560 4973 -0.9 -18.9 24 18.0 -7.2 322 9 321.4 321.7 290.7 326.6 1.53 15 554 5059 -0.9 -44.9 2 44.0 -9.5 319 9 322.3 322.4 289.6 322.8 0.13 16 500 5870 -5.9 -18.9 35 13.0 -10.4 290 9 325.8 326.2 292.2 331.8 1.72 17 494 5964 -6.7 -18.7 38 12.0 -10.8 287 10 326.0 326.3 292.3 332.1 1.77 18 472 6318 -8.5 -40.5 6 32.0 -14.7 276 15 328.0 328.1 291.4 328.9 0.24 19 443 6807 -11.7 -25.7 30 14.0 -15.6 260 23 330.0 330.2 292.7 333.8 1.06 20 400 7580 -17.1 -36.1 18 19.0 -20.7 235 34 332.8 332.9 292.9 334.4 0.44 21 398 7617 -17.3 -38.3 14 21.0 -21.1 235 34 333.0 333.1 292.9 334.3 0.35 22 382 7923 -19.7 -29.7 41 10.0 -22.0 239 36 333.8 333.9 293.6 336.9 0.85 23 367 8219 -20.7 -24.6 71 3.9 -21.7 242 38 336.3 336.6 294.7 341.4 1.42 24 366 8239 -20.7 -27.7 53 7.0 -22.4 243 39 336.5 336.7 294.4 340.5 1.07 25 364 8279 -20.9 -27.9 53 7.0 -22.6 243 39 336.8 337.0 294.5 340.7 1.06 26 310 9439 -30.9 -32.5 86 1.6 -31.2 257 47 338.6 338.8 294.7 341.7 0.80 27 300 9670 -32.9 -35.4 78 2.5 -33.3 260 49 339.0 339.1 294.7 341.4 0.63 28 290 9909 -34.7 -39.2 64 4.5 -35.3 259 52 339.7 339.8 294.7 341.5 0.44 29 284 10056 -34.7 -46.7 29 12.0 -35.8 258 53 341.8 341.8 295.0 342.6 0.20 30 256 10777 -39.1 -55.1 17 16.0 -40.1 255 61 345.6 345.6 295.7 345.9 0.08 31 252 10885 -39.6 -57.6 13 18.0 -40.6 255 62 346.4 346.4 295.9 346.6 0.06 32 250 10940 -39.9 -58.9 11 19.0 -40.9 255 61 346.7 346.8 296.0 347.0 0.05 33 223 11712 -44.5 -71.5 3 27.0 -45.3 258 55 351.2 351.2 296.9 351.2 0.01 34 200 12430 -50.5 -73.5 5 23.0 -51.0 260 50 352.8 352.8 297.3 352.8 0.01 35 163 13727 -62.1 -77.1 12 15.0 -62.2 256 35 354.6 354.6 297.6 354.6 0.01 36 153 14118 -61.7 -81.7 5 20.0 -61.9 255 30 361.7 361.7 299.0 361.7 0.00 37 150 14240 -62.7 -81.7 6 19.0 -62.9 255 29 362.1 362.1 299.1 362.1 0.00 38 137 14794 -67.1 -84.1 7 17.0 -67.2 235 26 363.8 363.8 299.4 363.8 0.00 39 100 16650 -76.9 -90.9 9 14.0 -76.9 165 17 379.1 379.1 302.1 379.2 0.00 40 86 17515 -76.9 -91.9 7 15.0 -76.9 156 21 395.9 395.9 304.6 395.9 0.00 41 72 18522 -81.9 -91.9 17 10.0 -81.9 145 25 405.9 405.9 306.0 405.9 0.00 42 70 18680 -80.9 -90.9 17 10.0 -80.9 155 30 411.3 411.3 306.7 411.3 0.00 43 65 19100 -78.7 -90.7 12 12.0 -78.7 141 27 424.9 424.9 308.3 424.9 0.00 44 61 19469 -72.3 -89.3 6 17.0 -72.4 128 24 447.0 447.0 310.6 447.0 0.00 45 56 19970 -74.5 -90.5 7 16.0 -74.6 112 21 453.0 453.0 311.1 453.0 0.00 46 50 20640 -68.5 -91.5 2 23.0 -68.7 90 16 482.1 482.1 313.6 482.1 0.00 47 48 20884 -67.5 -91.5 2 24.0 -67.7 91 16 490.1 490.1 314.2 490.1 0.00 48 41 21836 -65.5 -92.5 1 27.0 -65.8 94 16 517.7 517.7 316.1 517.7 0.00 49 39 22142 -60.7 -90.7 1 30.0 -61.4 95 16 537.3 537.3 317.3 537.3 0.00 50 31 23582 -56.3 -89.3 1 33.0 -57.6 99 16 585.6 585.6 319.9 585.7 0.00 51 30 23790 -56.7 -88.7 1 32.0 -58.0 100 16 590.1 590.1 320.2 590.1 0.00 52 28 24226 -57.5 -89.5 1 32.0 -58.8 97 18 599.6 599.6 320.6 599.6 0.00 53 20 26370 -53.1 -87.1 1 34.0 -55.8 85 26 673.6 673.6 323.6 673.7 0.01 54 15 28228 -52.1 -87.1 1 35.0 -55.7 734.7 734.7 325.5 734.8 0.01 TRP 72 18522 -81.9 -91.9 17 10.0 -81.9 145 25 405.9 405.9 306.0 405.9 0.00 WND 252 10885 -39.6 -57.6 13 18.0 -40.6 255 62 346.4 346.4 295.9 346.6 0.06 Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 567.40 mb = 4870.17 m = 15978.07 ft Wetbulb zero: 704.74 mb = 3093.54 m = 10149.29 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 34.09 % Est. max temperature: 31.16 C = 88.08 F Sfc-Lift cond lev (LCL): 904.17 mb = 970.52 m = 3184.08 ft T: 20.90 C 700-500 lapse rate: 6.21 C/km ThetaE index: 32.69 C Layer 1000.0- 749.0 mb Conv cond level (CCL): 687.07 mb = 3303.65 m = 10838.63 ft Mean mixing ratio: 11.39 g/kg Conv temperature: 42.31 C = 108.15 F Cap Strength: 7.16 C Lifted Index: 2.72 C Risk: None Lifted Index @300 mb: 3.82 C Lifted Index @700 mb: 4.71 C Showalter Index: 8.85 C Risk: None Total Totals Index: 33.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 10.30 C K Index: -8.30 Risk: None Sweat Index: 71.80 Risk: None Energy Index: 1.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.04 J/kg Max Up Vert Vel: 3.75 m/s Conv Inhibition (B-): 36687.93 J/kg Cap Strength: 7.09 C Lift Cond Lev (LCL): 827.86 mb = 1728.69 m = 5671.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 33 at 7 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 1001 101 80 10 -9.8 -1.7 | 123 7 -6.1 4.0 1 1000 88 80 6 -5.9 -1.0 | 156 5 -2.1 4.7 2 925 774 45 18 -12.7 -12.7 | 52 11 -8.9 -7.0 3 850 1503 335 5 2.1 -4.5 | 259 6 5.9 1.2 4 700 3150 25 9 -3.8 -8.2 | 0 2 -0.0 -2.4 5 500 5870 290 9 8.5 -3.1 | 258 13 12.2 2.6 6 400 7580 235 34 27.9 19.5 | 231 40 31.6 25.2 7 300 9670 260 49 48.3 8.5 | 255 54 52.0 14.2 8 252 10885 255 62 59.9 16.0 | 251 67 63.7 21.8 9 250 10940 255 61 58.9 15.8 | 251 66 62.7 21.5 10 200 12430 260 50 49.2 8.7 | 255 55 53.0 14.4 11 150 14240 255 29 28.0 7.5 | 247 34 31.8 13.2 12 100 16650 165 17 -4.4 16.4 | 178 22 -0.6 22.1 13 72 18522 145 25 -14.3 20.5 | 158 28 -10.6 26.2 14 70 18680 155 30 -12.7 27.2 | 165 34 -8.9 32.9 15 50 20640 90 16 -16.0 0.0 | 115 13 -12.2 5.7 16 30 23790 100 16 -15.8 2.8 | 125 15 -12.0 8.5 17 20 26370 85 26 -25.9 -2.3 | 99 22 -22.1 3.5 Wind Parameters Mean winds (0-6000m): 3.5 at 9.1 knts Storm direction: 33.5 at 6.9 knts Shear (0-3000m) pos: 1.1 neg: 1.5 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): -158.6 deg Storm rel helicity (0-3000m) pos: 6.1 neg: -55.4 tot: -49.3 m^2/s^2 ave: -16.4 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.68 Bulk Shear: 10.38 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 56 11 89 5| 0.0 10.0 10.0| 0.0 -15.2 -15.2 -30.4 -0.91| 10.3 -9.4 1000 46 13 59 7| 0.0 5.7 5.7| 0.0 -42.0 -42.0 -42.0 -0.88| 12.1-10.7 1500 41 11 53 5| 0.0 3.0 3.0| 0.4 -55.4 -55.0 -36.6 -0.90| 11.4-10.2 2000 34 10 34 3| 0.5 2.3 2.8| 2.5 -55.4 -52.8 -26.4 -0.80| 9.0 -7.2 2500 29 9 16 3| 0.8 1.8 2.7| 4.4 -55.4 -51.0 -20.4 -0.71| 7.7 -5.4 3000 28 9 13 2| 1.1 1.5 2.6| 6.1 -55.4 -49.3 -16.4 -0.60| 6.8 -4.1 4000 23 9 357 3| 0.8 1.8 2.6| 6.1 -59.1 -53.1 -13.3 -0.61| 5.8 -3.5 5000 14 9 334 3| 0.7 1.8 2.5| 6.1 -67.2 -61.1 -12.2 -0.62| 5.2 -3.2 6000 3 9 317 5| 0.5 2.0 2.6| 6.9 -76.9 -70.0 -11.7 -0.59| 5.0 -2.9 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251219.12.gif