UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 25 APR 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 75 90 10 SFC 999 101 19.8 18.6 93 1.2 19.0 90 10 293.0 295.5 292.2 331.8 13.62 2 970 348 17.4 17.3 99 0.1 17.4 63 11 293.1 295.4 291.7 329.8 12.91 3 925 744 16.4 16.4 100 0.0 16.4 20 12 296.1 298.4 292.5 332.9 12.78 4 909 893 15.8 15.8 100 0.0 15.8 22 11 296.9 299.2 292.6 333.1 12.52 5 857 1396 17.4 12.4 72 5.0 14.1 29 6 303.7 305.6 293.1 335.3 10.62 6 850 1466 17.2 11.2 68 6.0 13.4 30 5 304.2 306.0 292.7 333.7 9.88 7 807 1909 16.4 6.4 52 10.0 10.4 54 6 307.9 309.3 291.9 330.7 7.49 8 729 2766 10.6 3.6 62 7.0 6.6 101 9 310.6 311.9 292.2 331.7 6.81 9 714 2939 10.4 0.4 50 10.0 5.0 111 9 312.2 313.3 291.6 329.5 5.52 10 700 3104 9.4 1.4 57 8.0 5.0 120 10 312.9 314.0 292.2 331.9 6.06 11 663 3552 6.6 -1.4 57 8.0 2.4 135 10 314.6 315.6 292.0 331.1 5.21 12 642 3816 6.4 -16.6 17 23.0 -2.4 144 10 317.3 317.6 289.6 322.8 1.62 13 636 3892 6.2 -15.8 19 22.0 -2.4 147 10 318.0 318.3 289.9 323.8 1.75 14 595 4434 2.2 -19.8 18 22.0 -5.5 166 10 319.4 319.7 290.0 324.0 1.34 15 575 4711 4.0 -39.0 3 43.0 -6.4 176 11 324.7 324.7 290.5 325.5 0.23 16 500 5830 -4.1 -36.1 6 32.0 -11.5 215 11 328.0 328.1 291.5 329.4 0.35 17 429 7019 -13.3 -39.3 9 26.0 -18.1 212 19 331.0 331.1 292.3 332.1 0.29 18 400 7550 -16.5 -47.5 5 31.0 -20.9 210 23 333.5 333.6 292.8 334.1 0.13 19 355 8434 -22.7 -53.7 4 31.0 -25.9 214 21 336.8 336.8 293.6 337.1 0.07 20 300 9640 -32.9 -62.9 3 30.0 -34.6 220 19 339.0 339.0 294.1 339.1 0.03 21 283 10046 -36.9 -63.9 4 27.0 -38.2 230 20 339.0 339.0 294.1 339.1 0.03 22 250 10890 -42.7 -64.7 7 22.0 -43.5 250 21 342.6 342.6 295.0 342.7 0.03 23 200 12360 -54.1 -70.1 12 16.0 -54.4 245 30 347.1 347.1 296.0 347.2 0.02 24 199 12392 -54.3 -70.3 12 16.0 -54.6 245 30 347.3 347.3 296.0 347.3 0.01 25 150 14160 -65.1 -80.1 11 15.0 -65.2 255 28 357.9 357.9 298.3 358.0 0.00 26 141 14535 -67.9 -80.9 14 13.0 -67.9 252 30 359.4 359.4 298.6 359.4 0.00 27 106 16214 -76.5 -86.5 19 10.0 -76.5 241 39 373.6 373.6 301.2 373.7 0.00 28 104 16324 -76.9 -86.9 19 10.0 -76.9 240 40 374.9 374.9 301.4 374.9 0.00 29 100 16550 -75.9 -86.9 16 11.0 -75.9 235 33 381.1 381.1 302.4 381.1 0.00 30 93 16973 -71.9 -87.9 7 16.0 -72.0 231 29 397.0 397.0 304.8 397.0 0.00 31 74 18299 -77.5 -89.5 13 12.0 -77.6 218 15 412.0 412.0 306.7 412.0 0.00 32 70 18620 -74.3 -89.3 8 15.0 -74.3 215 12 425.4 425.4 308.3 425.4 0.00 33 65 19055 -70.5 -89.5 4 19.0 -70.6 225 11 442.8 442.8 310.1 442.9 0.00 34 58 19730 -71.1 -90.1 4 19.0 -71.2 240 9 456.2 456.2 311.4 456.2 0.00 35 50 20620 -65.5 -89.5 2 24.0 -65.8 260 7 489.1 489.1 314.1 489.1 0.00 36 43 21550 -58.3 -86.3 2 28.0 -59.1 207 8 528.4 528.4 316.8 528.4 0.01 37 38 22328 -57.3 -85.3 2 28.0 -58.3 163 8 550.0 550.0 318.1 550.0 0.01 38 36 22667 -59.3 -86.3 2 27.0 -60.2 144 8 553.4 553.4 318.3 553.4 0.01 39 33 23215 -55.7 -84.7 1 29.0 -57.1 114 9 576.9 576.9 319.5 576.9 0.01 40 30 23820 -56.5 -85.5 1 29.0 -57.9 80 9 590.6 590.6 320.2 590.7 0.01 41 27 24492 -55.9 -84.9 1 29.0 -57.5 81 11 610.4 610.4 321.1 610.4 0.01 42 25 24991 -49.7 -81.7 1 32.0 -52.7 82 12 641.8 641.8 322.4 641.9 0.02 43 21 26145 -45.7 -79.7 1 34.0 -50.4 84 14 686.6 686.7 324.0 686.9 0.03 44 20 26470 -47.5 -80.5 1 33.0 -51.8 85 15 690.8 690.8 324.1 691.0 0.03 45 15 28364 -49.3 -81.3 1 32.0 -53.8 744.0 744.1 325.8 744.3 0.04 TRP 104 16324 -76.9 -86.9 19 10.0 -76.9 240 40 374.9 374.9 301.4 374.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5755.00 m Freezing level: 537.96 mb = 5263.67 m = 17269.04 ft Wetbulb zero: 652.41 mb = 3683.60 m = 12085.15 ft Precipitable water: 1.33 inches Sfc-500 mean rel hum: 47.23 % Est. max temperature: 31.01 C = 87.82 F Sfc-Lift cond lev (LCL): 981.78 mb = 246.71 m = 809.41 ft T: 18.38 C 700-500 lapse rate: 4.95 C/km ThetaE index: 4.56 C Layer 850.0- 729.0 mb Conv cond level (CCL): 947.50 mb = 543.61 m = 1783.46 ft Mean mixing ratio: 12.88 g/kg Conv temperature: 21.33 C = 70.39 F Cap Strength: 7.73 C Lifted Index: 6.31 C Risk: None Lifted Index @300 mb: 6.28 C Lifted Index @700 mb: 4.46 C Showalter Index: 5.43 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 15.30 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 155.40 Risk: None Energy Index: -0.65 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.69 J/kg Max Up Vert Vel: 6.43 m/s Conv Inhibition (B-): 31432.38 J/kg Cap Strength: 7.72 C Lift Cond Lev (LCL): 944.62 mb = 569.03 m = 1866.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 158 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 ---------------------------------------------------------- 0 999 101 90 10 -10.0 0.0 | 48 10 -7.3 -6.7 1 925 744 20 12 -4.1 -11.3 | 5 18 -1.4 -17.9 2 850 1466 30 5 -2.5 -4.3 | 359 11 0.2 -11.0 3 700 3104 120 10 -8.7 5.0 | 74 6 -6.0 -1.7 4 500 5830 215 11 6.3 9.0 | 255 9 9.0 2.3 5 400 7550 210 23 11.5 19.9 | 227 19 14.2 13.2 6 300 9640 220 19 12.2 14.6 | 242 17 14.9 7.9 7 250 10890 250 21 19.7 7.2 | 269 22 22.4 0.5 8 200 12360 245 30 27.2 12.7 | 259 30 29.9 6.0 9 150 14160 255 28 27.0 7.2 | 269 30 29.7 0.6 10 104 16324 240 40 34.6 20.0 | 250 40 37.3 13.3 11 100 16550 235 33 27.0 18.9 | 248 32 29.7 12.3 12 70 18620 215 12 6.9 9.8 | 252 10 9.5 3.2 13 50 20620 260 7 6.9 1.2 | 300 11 9.6 -5.5 14 30 23820 80 9 -8.9 -1.6 | 37 10 -6.2 -8.2 15 20 26470 85 15 -14.9 -1.3 | 57 15 -12.3 -8.0 Wind Parameters Mean winds (0-6000m): 128.3 at 9.6 knts Storm direction: 158.3 at 7.2 knts Shear (0-3000m) pos: 2.3 neg: 1.7 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 26.5 deg Storm rel helicity (0-3000m) pos: 27.9 neg: -44.9 tot: -17.1 m^2/s^2 ave: -5.7 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.21 Bulk Shear: 17.09 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 61 11 29 14| 0.0 10.2 10.2| 0.0 -28.2 -28.2 -56.5 -0.76| 10.6 -8.1 1000 40 11 16 15| 0.0 5.2 5.2| 0.0 -42.3 -42.3 -42.3 -0.66| 8.5 -5.6 1500 37 9 12 14| 1.2 3.4 4.6| 1.7 -44.9 -43.2 -28.8 -0.54| 7.1 -3.8 2000 40 9 12 14| 1.4 2.6 4.0| 10.9 -44.9 -34.0 -17.0 -0.33| 6.2 -2.0 2500 49 8 17 13| 1.9 2.1 4.0| 20.0 -44.9 -25.0 -10.0 -0.15| 5.8 -0.9 3000 62 8 24 12| 2.3 1.7 4.1| 27.9 -44.9 -17.1 -5.7 -0.01| 5.6 -0.0 4000 85 9 40 10| 2.2 1.3 3.5| 34.0 -44.9 -10.9 -2.7 0.13| 5.0 0.7 5000 106 9 57 7| 2.0 1.0 3.0| 40.1 -44.9 -4.9 -1.0 0.24| 4.7 1.1 6000 128 10 81 5| 1.8 0.9 2.7| 46.7 -47.9 -1.2 -0.2 0.25| 4.4 1.1 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20250425.12.gif