UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 8 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 65 100 8 SFC 998 101 24.6 23.0 91 1.6 23.5 100 8 297.9 301.2 296.7 350.2 18.00 2 940 611 22.6 18.4 77 4.2 19.7 53 9 301.0 303.7 295.1 343.1 14.31 3 925 747 21.4 18.0 81 3.4 19.1 40 9 301.2 303.8 295.0 342.9 14.18 4 850 1478 17.6 16.7 94 0.9 17.0 345 21 304.6 307.2 296.0 347.0 14.21 5 811 1879 15.2 15.2 100 0.0 15.2 343 21 306.2 308.7 295.9 346.7 13.52 6 700 3118 9.0 9.0 100 0.0 9.0 335 23 312.5 314.4 295.4 344.4 10.36 7 683 3322 7.6 7.6 100 0.0 7.6 332 23 313.1 314.9 295.0 342.9 9.64 8 637 3894 4.6 3.0 89 1.6 3.7 325 22 316.0 317.4 294.2 339.5 7.48 9 582 4628 2.0 -2.3 73 4.3 -0.3 316 22 321.2 322.3 294.1 339.2 5.56 10 580 4656 2.2 -3.8 64 6.0 -0.9 315 22 321.8 322.7 293.8 338.0 4.98 11 508 5715 -4.7 -12.7 54 8.0 -8.0 302 21 325.8 326.4 293.2 335.4 2.84 12 500 5840 -5.9 -12.9 58 7.0 -8.7 300 21 325.8 326.4 293.2 335.4 2.83 13 478 6190 -9.3 -14.3 67 5.0 -11.2 293 22 325.9 326.4 293.0 334.8 2.64 14 424 7109 -14.3 -15.2 93 0.9 -14.6 274 26 330.8 331.4 294.4 340.4 2.77 15 402 7512 -15.3 -23.3 50 8.0 -17.6 266 28 334.6 334.9 294.3 339.9 1.46 16 400 7550 -15.5 -23.5 50 8.0 -17.9 265 28 334.8 335.1 294.3 340.0 1.44 17 382 7895 -18.3 -22.4 70 4.1 -19.5 265 28 335.6 335.9 294.7 341.6 1.66 18 378 7974 -17.9 -24.9 54 7.0 -19.8 265 29 337.1 337.4 294.8 342.0 1.34 19 354 8459 -21.9 -29.9 48 8.0 -23.7 265 29 338.1 338.3 294.7 341.5 0.90 20 313 9350 -29.9 -32.2 80 2.3 -30.3 265 31 339.1 339.3 294.8 342.2 0.82 21 301 9627 -31.9 -34.9 75 3.0 -32.4 265 31 340.1 340.2 295.0 342.6 0.66 22 300 9650 -32.3 -36.1 69 3.8 -32.9 265 31 339.9 340.0 294.8 342.1 0.58 23 296 9745 -32.9 -39.9 50 7.0 -33.8 264 32 340.3 340.4 294.8 341.9 0.40 24 284 10035 -35.7 -41.7 54 6.0 -36.4 262 35 340.3 340.4 294.7 341.7 0.35 25 280 10133 -36.1 -47.1 31 11.0 -37.1 261 36 341.2 341.2 294.8 341.9 0.20 26 256 10749 -41.3 -44.1 74 2.8 -41.5 256 41 342.3 342.4 295.1 343.5 0.30 27 250 10910 -42.3 -46.7 62 4.4 -42.6 255 43 343.2 343.2 295.3 344.1 0.23 28 244 11073 -43.9 -48.3 62 4.4 -44.2 257 46 343.2 343.2 295.3 344.0 0.20 29 243 11101 -43.9 -69.9 4 26.0 -44.6 257 46 343.6 343.6 295.2 343.6 0.01 30 240 11184 -44.1 -73.1 3 29.0 -44.9 258 47 344.5 344.5 295.4 344.5 0.01 31 228 11526 -45.9 -71.9 4 26.0 -46.6 261 52 346.8 346.8 296.0 346.9 0.01 32 200 12380 -53.9 -71.9 9 18.0 -54.2 270 66 347.4 347.4 296.1 347.5 0.01 33 187 12809 -57.7 -72.7 13 15.0 -57.9 270 72 348.0 348.0 296.2 348.1 0.01 34 184 12911 -58.5 -64.5 46 6.0 -58.6 270 73 348.3 348.3 296.3 348.5 0.04 35 180 13049 -59.5 -77.5 8 18.0 -59.7 270 75 348.9 348.9 296.4 348.9 0.01 36 158 13855 -65.6 -73.9 31 8.3 -65.7 270 86 351.7 351.7 297.0 351.8 0.01 37 150 14170 -68.1 -72.5 53 4.4 -68.1 270 83 352.8 352.8 297.3 352.8 0.01 38 146 14332 -69.7 -73.8 55 4.1 -69.7 270 82 352.7 352.7 297.3 352.8 0.01 39 139 14623 -71.9 -77.9 40 6.0 -71.9 270 80 353.9 353.9 297.5 353.9 0.01 40 137 14708 -72.3 -77.3 47 5.0 -72.3 270 80 354.6 354.6 297.6 354.7 0.01 41 129 15065 -69.3 -83.3 11 14.0 -69.4 266 70 366.2 366.2 299.9 366.2 0.00 42 108 16112 -74.7 -85.7 17 11.0 -74.7 255 41 375.1 375.1 301.4 375.1 0.00 43 100 16560 -74.5 -87.5 12 13.0 -74.5 250 28 383.8 383.8 302.9 383.8 0.00 44 80 17861 -75.3 -89.3 9 14.0 -75.3 184 20 407.4 407.4 306.2 407.4 0.00 45 70 18640 -74.3 -89.3 8 15.0 -74.3 145 15 425.4 425.4 308.3 425.4 0.00 46 68 18808 -74.1 -89.1 8 15.0 -74.2 142 14 429.4 429.4 308.8 429.4 0.00 47 64 19164 -70.7 -89.7 4 19.0 -70.8 136 13 444.4 444.4 310.3 444.4 0.00 48 57 19847 -71.9 -89.9 5 18.0 -72.0 124 11 456.6 456.6 311.5 456.6 0.00 49 54 20168 -67.3 -90.3 2 23.0 -67.5 118 10 474.3 474.3 313.0 474.3 0.00 50 50 20630 -68.5 -90.5 3 22.0 -68.7 110 9 482.1 482.1 313.6 482.1 0.00 51 43 21531 -69.9 -91.9 3 22.0 -70.1 116 10 499.9 499.9 314.9 499.9 0.00 52 39 22126 -60.7 -89.7 1 29.0 -61.4 120 10 537.3 537.3 317.3 537.3 0.00 53 38 22288 -59.9 -88.9 1 29.0 -60.6 121 11 543.3 543.3 317.7 543.4 0.00 54 33 23165 -62.1 -89.1 2 27.0 -62.7 126 11 559.9 559.9 318.6 559.9 0.00 55 30 23760 -57.7 -88.7 1 31.0 -58.9 130 12 587.3 587.3 320.0 587.4 0.00 56 28 24198 -55.1 -88.1 1 33.0 -56.8 111 13 606.3 606.3 320.9 606.3 0.01 57 25 24924 -53.7 -87.7 1 34.0 -55.8 81 13 630.3 630.3 321.9 630.3 0.01 58 21 26037 -56.7 -88.7 1 32.0 -58.5 33 15 653.4 653.4 322.8 653.5 0.01 59 20 26350 -51.3 -87.3 1 36.0 -54.4 20 15 679.1 679.2 323.7 679.2 0.01 60 19 26685 -50.1 -88.1 0 38.0 -53.7 24 16 692.9 692.9 324.2 693.0 0.01 61 17 27408 -52.9 -88.9 1 36.0 -55.9 32 18 706.3 706.3 324.6 706.4 0.01 62 13 29153 -49.7 -87.7 0 38.0 -54.5 51 24 773.7 773.7 326.5 773.8 0.01 63 12 29687 -42.1 -83.1 0 41.0 -50.5 57 25 818.6 818.6 327.7 818.9 0.03 64 10 30920 -42.7 -82.7 0 40.0 -51.5 70 29 860.2 860.2 328.6 860.6 0.04 65 8.5 32028 -37.9 -79.9 0 42.0 -50.2 919.8 919.9 329.8 920.7 0.08 TRP 137 14708 -72.3 -77.3 47 5.0 -72.3 270 80 354.6 354.6 297.6 354.7 0.01 WND 158 13855 -65.6 -73.9 31 8.3 -65.7 270 86 351.7 351.7 297.0 351.8 0.01 Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 557.04 mb = 4993.59 m = 16382.98 ft Wetbulb zero: 585.83 mb = 4574.75 m = 15008.84 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 84.40 % Est. max temperature: 31.34 C = 88.41 F Sfc-Lift cond lev (LCL): 975.40 mb = 295.97 m = 971.01 ft T: 23.83 C 700-500 lapse rate: 5.47 C/km ThetaE index: 11.55 C Layer 811.0- 500.0 mb Conv cond level (CCL): 857.91 mb = 1397.92 m = 4586.30 ft Mean mixing ratio: 15.31 g/kg Conv temperature: 30.89 C = 87.60 F Cap Strength: 1.58 C Lifted Index: -1.23 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.32 C Lifted Index @700 mb: -0.28 C Showalter Index: -1.82 C Risk: Thunderstorms probable Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 22.60 C K Index: 40.20 Risk: > 80 % chance of thunderstorms Sweat Index: 263.40 Risk: None Energy Index: -2.29 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 290.36 J/kg Max Up Vert Vel: 24.10 m/s Conv Inhibition (B-): 47.43 J/kg Cap Strength: 1.58 C Lift Cond Lev (LCL): 906.69 mb = 919.88 m = 3017.93 ft Lev Free Conv (LFC): 751.69 mb = 2518.53 m = 8262.79 ft Equ Level (EL): 581.69 mb = 4632.38 m = 15197.93 ft B at Equ Level: 47.82 J/kg Max Parcel Lev (MPL): 151.69 mb = 14102.29 m = 46266.79 ft Wind level data Storm motion: 0 at 15 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 ---------------------------------------------------------- 0 998 101 100 8 -7.9 1.4 | 154 18 -7.8 16.2 1 925 747 40 9 -5.8 -6.9 | 144 10 -5.7 7.9 2 850 1478 345 21 5.4 -20.3 | 315 8 5.5 -5.5 3 700 3118 335 23 9.7 -20.8 | 302 12 9.8 -6.0 4 500 5840 300 21 18.2 -10.5 | 257 19 18.3 4.3 5 400 7550 265 28 27.9 2.4 | 238 33 28.0 17.2 6 300 9650 265 31 30.9 2.7 | 241 36 31.0 17.5 7 250 10910 255 43 41.5 11.1 | 238 49 41.6 25.9 8 200 12380 270 66 66.0 -0.0 | 257 68 66.1 14.8 9 158 13855 270 86 86.0 -0.0 | 260 87 86.1 14.8 10 150 14170 270 83 83.0 -0.0 | 260 84 83.1 14.8 11 137 14708 270 80 80.0 -0.0 | 260 81 80.1 14.8 12 100 16560 250 28 26.3 9.6 | 227 36 26.4 24.4 13 70 18640 145 15 -8.6 12.3 | 163 28 -8.5 27.1 14 50 20630 110 9 -8.5 3.1 | 155 20 -8.4 17.9 15 30 23760 130 12 -9.2 7.7 | 158 24 -9.1 22.5 16 20 26350 20 15 -5.1 -14.1 | 98 5 -5.0 0.7 17 10 30920 70 29 -27.3 -9.9 | 100 28 -27.2 4.9 Wind Parameters Mean winds (0-6000m): 330.3 at 19.7 knts Storm direction: 0.3 at 14.8 knts Shear (0-3000m) pos: 0.0 neg: 4.9 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 147.4 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -32.8 tot: -32.8 m^2/s^2 ave: -10.9 10^-3 m/s^2 rel: -0.56 Storm rel vorticity (0-3000m) horiz: 5.5 stream: -3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.00 Bulk Shear: 72.58 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 76 8 148 15| 0.0 6.8 6.8| 0.0 -11.7 -11.7 -23.3 -0.41| 7.0 -2.9 1000 48 10 140 11| 0.0 8.4 8.4| 0.0 -19.9 -19.9 -19.9 -0.46| 8.7 -4.0 1500 16 13 128 4| 0.0 8.8 8.8| 0.0 -27.6 -27.6 -18.4 -0.57| 9.7 -5.6 2000 2 15 95 0| 0.0 6.8 6.8| 0.0 -29.1 -29.1 -14.6 -0.57| 7.6 -4.3 2500 355 16 313 2| 0.0 5.6 5.6| 0.0 -30.8 -30.8 -12.3 -0.57| 6.4 -3.6 3000 350 17 308 4| 0.0 4.9 4.9| 0.0 -32.8 -32.8 -10.9 -0.56| 5.5 -3.1 4000 343 19 300 6| 0.0 3.7 3.7| 0.0 -47.6 -47.6 -11.9 -0.61| 4.8 -2.9 5000 337 19 291 8| 0.0 3.0 3.0| 0.0 -64.4 -64.4 -12.9 -0.63| 4.4 -2.8 6000 330 20 283 10| 0.0 2.6 2.6| 0.0 -82.3 -82.3 -13.7 -0.63| 4.1 -2.6 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251208.12.gif