UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 4 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 1002 101 26.8 12.8 42 14.0 17.8 150 10 299.8 301.5 290.9 327.1 9.30 1 1000 98 26.8 13.8 45 13.0 18.3 100 5 300.0 301.8 291.5 329.2 9.96 2 925 779 21.2 8.2 43 13.0 13.4 120 12 301.0 302.3 289.6 322.9 7.39 3 874 1266 17.0 9.0 59 8.0 12.1 164 11 301.5 303.1 290.6 326.1 8.27 4 865 1355 17.6 -1.4 27 19.0 7.9 172 11 303.1 303.8 287.2 315.2 3.99 5 850 1504 17.2 -1.8 27 19.0 7.6 185 11 304.2 304.9 287.5 316.3 3.94 6 700 3131 8.8 -19.2 12 28.0 -1.2 175 15 312.2 312.5 287.5 316.2 1.19 7 686 3298 8.0 -18.0 14 26.0 -1.5 174 15 313.1 313.4 288.0 317.7 1.35 8 654 3692 9.0 -39.0 2 48.0 -3.0 173 15 318.6 318.6 288.5 319.3 0.20 9 500 5860 -4.1 -43.1 3 39.0 -11.9 165 17 328.0 328.1 291.3 328.7 0.17 10 400 7570 -18.7 -56.7 2 38.0 -22.7 215 21 330.7 330.7 291.9 330.9 0.04 11 381 7930 -21.9 -57.9 2 36.0 -25.2 219 24 331.1 331.1 292.0 331.3 0.04 12 348 8590 -25.7 -60.7 2 35.0 -28.4 227 29 334.7 334.7 293.0 334.8 0.03 13 310 9418 -30.3 -66.3 2 36.0 -32.4 237 35 339.5 339.5 294.2 339.5 0.02 14 300 9650 -32.3 -58.3 6 26.0 -34.1 240 37 339.9 339.9 294.3 340.1 0.05 15 250 10910 -44.3 -53.3 36 9.0 -44.7 245 46 340.2 340.2 294.5 340.6 0.11 16 240 11182 -46.9 -53.9 45 7.0 -47.2 246 52 340.3 340.3 294.5 340.7 0.10 17 237 11265 -47.5 -58.5 27 11.0 -47.9 246 54 340.6 340.6 294.5 340.9 0.06 18 234 11350 -46.5 -72.5 4 26.0 -47.1 246 56 343.4 343.4 295.1 343.4 0.01 19 231 11435 -46.3 -71.3 4 25.0 -46.9 247 58 344.9 344.9 295.5 345.0 0.01 20 200 12380 -52.3 -72.3 7 20.0 -52.7 250 79 349.9 349.9 296.6 350.0 0.01 21 195 12543 -53.6 -71.8 9 18.1 -53.9 250 80 350.3 350.4 296.7 350.4 0.01 22 182 12983 -57.3 -70.3 18 13.0 -57.5 250 71 351.4 351.4 297.0 351.4 0.02 23 161 13748 -63.5 -77.5 13 14.0 -63.6 250 56 353.5 353.5 297.4 353.5 0.01 24 150 14180 -65.7 -78.7 15 13.0 -65.8 250 47 356.9 356.9 298.1 356.9 0.01 25 142 14512 -65.5 -83.5 6 18.0 -65.6 249 44 362.9 362.9 299.2 362.9 0.00 26 124 15324 -70.7 -84.7 11 14.0 -70.8 245 37 367.8 367.8 300.2 367.8 0.00 27 117 15668 -69.5 -87.5 6 18.0 -69.6 244 34 376.2 376.2 301.6 376.2 0.00 28 100 16590 -74.9 -89.9 8 15.0 -74.9 240 25 383.0 383.0 302.7 383.0 0.00 29 79 17944 -79.3 -90.3 15 11.0 -79.3 165 26 400.6 400.6 305.3 400.6 0.00 30 72 18470 -79.7 -89.7 18 10.0 -79.7 153 16 410.6 410.6 306.6 410.6 0.00 31 70 18630 -78.7 -88.7 18 10.0 -78.7 150 13 416.0 416.0 307.2 416.0 0.00 32 53 20252 -69.5 -90.5 3 21.0 -69.6 129 12 471.8 471.8 312.8 471.8 0.00 33 52 20365 -69.9 -90.9 3 21.0 -70.1 128 12 473.4 473.4 312.9 473.4 0.00 34 50 20600 -67.9 -90.9 2 23.0 -68.1 125 12 483.5 483.5 313.7 483.5 0.00 35 48 20847 -64.5 -90.5 2 26.0 -64.8 123 13 497.3 497.3 314.8 497.3 0.00 36 45 21240 -65.5 -89.5 2 24.0 -65.8 121 14 504.1 504.1 315.2 504.1 0.00 37 34 22980 -56.1 -86.1 1 30.0 -57.3 110 19 570.9 570.9 319.2 570.9 0.01 38 30 23770 -58.5 -86.5 2 28.0 -59.6 105 21 585.2 585.2 319.9 585.2 0.01 39 28 24203 -59.5 -87.5 1 28.0 -60.5 99 23 594.0 594.0 320.3 594.1 0.01 40 23 25446 -55.3 -86.3 1 31.0 -57.2 82 27 640.8 640.8 322.3 640.8 0.01 41 20 26340 -54.5 -85.5 1 31.0 -56.8 70 30 669.4 669.4 323.4 669.4 0.01 42 18 27020 -51.3 -83.3 1 32.0 -54.6 699.9 699.9 324.4 700.1 0.02 TRP 79 17944 -79.3 -90.3 15 11.0 -79.3 165 26 400.6 400.6 305.3 400.6 0.00 WND 195 12543 -53.6 -71.8 9 18.1 -53.9 250 80 350.3 350.4 296.7 350.4 0.01 Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 548.20 mb = 5181.43 m = 16999.24 ft Wetbulb zero: 720.66 mb = 2887.22 m = 9472.40 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 17.89 % Est. max temperature: 31.04 C = 87.87 F Sfc-Lift cond lev (LCL): 816.24 mb = 1843.67 m = 6048.70 ft T: 15.45 C 700-500 lapse rate: 4.73 C/km ThetaE index: 10.82 C Layer 865.0- 850.0 mb Conv cond level (CCL): 583.17 mb = 4617.56 m = 15149.30 ft Mean mixing ratio: 8.43 g/kg Conv temperature: 49.72 C = 121.49 F Cap Strength: 9.39 C Lifted Index: 9.36 C Risk: None Lifted Index @300 mb: 10.92 C Lifted Index @700 mb: 6.14 C Showalter Index: 14.40 C Risk: None Total Totals Index: 23.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 2.30 C K Index: -8.50 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 2.79 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.30 J/kg Max Up Vert Vel: 2.57 m/s Conv Inhibition (B-): 38915.25 J/kg Cap Strength: 9.39 C Lift Cond Lev (LCL): 789.26 mb = 2125.28 m = 6972.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 197 at 10 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 1002 101 150 10 -5.0 8.7 | 81 8 -8.1 -1.3 1 1000 98 100 5 -4.9 0.9 | 41 12 -8.0 -9.1 2 925 779 120 12 -10.4 6.0 | 74 14 -13.5 -4.0 3 850 1504 185 11 1.0 11.0 | 115 2 -2.1 1.0 4 700 3131 175 15 -1.3 14.9 | 138 7 -4.4 5.0 5 500 5860 165 17 -4.4 16.4 | 131 10 -7.5 6.5 6 400 7570 215 21 12.0 17.2 | 231 12 8.9 7.2 7 300 9650 240 37 32.0 18.5 | 254 30 28.9 8.5 8 250 10910 245 46 41.7 19.4 | 256 40 38.6 9.5 9 200 12380 250 79 74.2 27.0 | 257 73 71.1 17.1 10 195 12543 250 80 75.2 27.4 | 256 74 72.1 17.4 11 150 14180 250 47 44.2 16.1 | 262 42 41.1 6.1 12 100 16590 240 25 21.7 12.5 | 262 19 18.5 2.5 13 79 17944 165 26 -6.7 25.1 | 147 18 -9.8 15.2 14 70 18630 150 13 -6.5 11.3 | 98 10 -9.6 1.3 15 50 20600 125 12 -9.8 6.9 | 77 13 -12.9 -3.1 16 30 23770 105 21 -20.3 5.4 | 79 24 -23.4 -4.5 17 20 26340 70 30 -28.2 -10.3 | 57 37 -31.3 -20.2 Wind Parameters Mean winds (0-6000m): 167.3 at 13.9 knts Storm direction: 197.3 at 10.4 knts Shear (0-3000m) pos: 2.0 neg: 0.7 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 96.9 deg Storm rel helicity (0-3000m) pos: 40.5 neg: 0.0 tot: 40.5 m^2/s^2 ave: 13.5 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 17.22 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 ------------------------------------------------------------------------------- 500 112 8 55 12| 5.6 0.0 5.6| 18.1 0.0 18.1 36.2 0.96| 5.7 5.5 1000 122 10 66 12| 4.7 0.0 4.7| 35.4 0.0 35.4 35.4 0.79| 6.9 5.4 1500 138 10 76 10| 4.1 0.0 4.1| 39.3 0.0 39.3 26.2 0.63| 7.1 4.5 2000 152 11 85 8| 3.0 0.4 3.4| 39.8 0.0 39.8 19.9 0.62| 5.7 3.5 2500 159 11 93 7| 2.4 0.6 3.0| 40.3 0.0 40.3 16.1 0.60| 4.8 2.9 3000 163 12 101 7| 2.0 0.7 2.8| 40.5 0.0 40.5 13.5 0.58| 4.3 2.5 4000 167 13 110 6| 1.5 0.7 2.2| 40.5 -0.7 39.9 10.0 0.53| 3.4 1.8 5000 167 13 116 7| 1.2 0.7 1.9| 40.5 -1.6 39.0 7.8 0.49| 2.8 1.4 6000 167 14 120 7| 1.2 0.6 1.8| 45.8 -2.4 43.4 7.2 0.50| 2.6 1.3 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251204.12.gif