UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for SCSN... Searching the city database file for: SCSN ... Date:0000Z 7 DEC 25 Station: SCSN WMO ident: 85586 Latitude: -33.65 Longitude: -71.61 Elevation: 75.00 ------------------------------------------------------------------------------- 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 1009 75 17.0 14.3 84 2.7 15.3 80 6 289.4 291.2 288.1 318.0 10.20 1 1000 151 16.6 13.4 81 3.2 14.6 80 5 289.8 291.5 287.8 317.0 9.70 2 972 393 17.2 11.2 68 6.0 13.6 96 5 292.7 294.3 287.9 317.3 8.62 3 925 815 14.8 11.7 82 3.1 12.9 125 4 294.4 296.1 289.2 321.4 9.37 4 911 944 14.8 11.6 81 3.2 12.9 111 6 295.7 297.4 289.7 323.0 9.46 5 892 1124 17.2 10.2 63 7.0 12.9 93 8 300.0 301.6 290.5 325.9 8.79 6 851 1525 16.6 4.6 45 12.0 9.8 51 14 303.4 304.6 289.5 322.3 6.26 7 850 1535 16.4 4.4 45 12.0 9.6 50 14 303.3 304.5 289.3 321.9 6.17 8 714 2989 4.6 1.4 80 3.2 2.9 1 8 305.8 306.9 289.9 323.9 5.94 9 700 3150 3.6 0.9 82 2.7 2.2 355 7 306.5 307.6 290.0 324.3 5.84 10 690 3267 3.6 -0.9 72 4.5 1.3 359 8 307.7 308.7 289.9 323.8 5.20 11 590 4514 -6.5 -7.4 93 0.9 -6.9 46 15 310.1 310.8 289.3 321.8 3.72 12 568 4810 -7.9 -9.3 90 1.4 -8.5 57 17 311.8 312.5 289.5 322.4 3.33 13 562 4893 -5.7 -6.9 91 1.2 -6.2 60 17 315.4 316.1 291.3 328.4 4.06 14 500 5800 -11.1 -12.1 92 1.0 -11.5 95 23 319.5 320.1 291.6 329.5 3.02 15 413 7244 -20.1 -22.6 80 2.5 -20.8 69 29 325.9 326.2 292.0 331.1 1.51 16 400 7480 -22.1 -24.4 82 2.3 -22.7 65 30 326.3 326.5 292.0 330.9 1.33 17 317 9148 -35.7 -36.8 90 1.1 -35.8 69 28 329.8 329.9 292.2 331.7 0.51 18 300 9530 -39.1 -41.9 75 2.8 -39.4 70 27 330.3 330.3 292.1 331.5 0.32 19 292 9714 -40.7 -44.4 67 3.7 -41.0 71 27 330.5 330.6 292.1 331.5 0.25 20 290 9761 -41.3 -44.8 69 3.5 -41.6 72 27 330.3 330.4 292.0 331.3 0.24 21 256 10594 -48.3 -50.8 75 2.5 -48.4 79 28 332.0 332.0 292.4 332.6 0.14 22 250 10750 -49.7 -52.6 71 2.9 -49.8 80 28 332.2 332.2 292.4 332.6 0.12 23 208 11926 -59.9 -63.6 62 3.7 -60.0 51 38 334.1 334.1 292.9 334.3 0.04 24 200 12170 -60.7 -65.6 52 4.9 -60.7 45 40 336.6 336.6 293.5 336.8 0.03 25 199 12201 -60.9 -65.9 52 5.0 -61.0 336.8 336.8 293.6 336.9 0.03 26 192 12425 -58.1 -78.1 6 20.0 -58.3 344.8 344.8 295.4 344.8 0.00 27 183 12728 -57.1 -76.1 7 19.0 -57.3 351.2 351.2 296.9 351.2 0.01 28 177 12939 -57.7 -76.7 7 19.0 -57.9 353.5 353.5 297.4 353.6 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5649.00 m Freezing level: 654.36 mb = 3711.22 m = 12175.76 ft Wetbulb zero: 674.04 mb = 3453.07 m = 11328.83 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 76.40 % Est. max temperature: 30.37 C = 86.67 F Sfc-Lift cond lev (LCL): 969.36 mb = 416.55 m = 1366.62 ft T: 17.07 C 700-500 lapse rate: 5.55 C/km ThetaE index: 3.94 C Layer 851.0- 714.0 mb Conv cond level (CCL): 755.04 mb = 2522.71 m = 8276.51 ft Mean mixing ratio: 9.19 g/kg Conv temperature: 32.72 C = 90.90 F Cap Strength: 7.91 C Lifted Index: 5.76 C Risk: None Lifted Index @300 mb: 8.34 C Lifted Index @700 mb: 3.52 C Showalter Index: 4.23 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 27.50 C Cross Totals Index: 15.50 C K Index: 29.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 103.80 Risk: None Energy Index: 1.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.84 J/kg Max Up Vert Vel: 6.61 m/s Conv Inhibition (B-): 3469.41 J/kg Cap Strength: 7.75 C Lift Cond Lev (LCL): 899.81 mb = 1049.33 m = 3442.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 98 at 9 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 1009 75 80 6 -5.9 -1.0 | 306 4 3.2 -2.4 1 1000 151 80 5 -4.9 -0.9 | 298 5 4.2 -2.2 2 925 815 125 4 -3.3 2.3 | 260 6 5.8 1.0 3 850 1535 50 14 -10.7 -9.0 | 9 10 -1.6 -10.3 4 700 3150 355 7 0.6 -7.0 | 310 13 9.7 -8.3 5 500 5800 95 23 -22.9 2.0 | 93 14 -13.8 0.7 6 400 7480 65 30 -27.2 -12.7 | 52 23 -18.1 -14.0 7 300 9530 70 27 -25.4 -9.2 | 57 19 -16.3 -10.6 8 250 10750 80 28 -27.6 -4.9 | 71 19 -18.5 -6.2 9 200 12170 45 40 -28.3 -28.3 | 33 35 -19.2 -29.6 Wind Parameters Mean winds (0-6000m): 68.2 at 12.3 knts Storm direction: 98.2 at 9.2 knts Shear (0-3000m) pos: 0.5 neg: 1.7 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 6.2 deg Storm rel helicity (0-3000m) pos: 1.8 neg: -43.4 tot: -41.6 m^2/s^2 ave: -13.9 10^-3 m/s^2 rel: -0.39 Storm rel vorticity (0-3000m) horiz: 5.4 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.54 Bulk Shear: 8.60 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 91 5 286 4| 3.1 0.0 3.1| 0.0 -3.6 -3.6 -7.1 -0.89| 3.4 -3.1 1000 100 5 276 4| 1.6 1.8 3.3| 0.5 -5.0 -4.5 -4.5 -0.35| 4.5 -1.6 1500 75 7 323 4| 1.0 4.2 5.2| 1.8 -8.1 -6.3 -4.2 -0.06| 7.0 -0.4 2000 61 8 341 6| 0.8 3.0 3.7| 1.8 -20.5 -18.7 -9.3 -0.22| 6.3 -1.4 2500 53 9 343 7| 0.6 2.2 2.8| 1.8 -32.4 -30.6 -12.2 -0.32| 5.9 -1.9 3000 48 9 340 8| 0.5 1.7 2.2| 1.8 -43.4 -41.6 -13.9 -0.39| 5.4 -2.1 4000 39 9 338 9| 0.6 1.3 1.9| 28.9 -44.3 -15.4 -3.8 -0.12| 5.2 -0.6 5000 49 10 350 8| 1.6 1.0 2.7| 66.4 -44.3 22.1 4.4 0.14| 5.3 0.7 6000 68 12 21 6| 2.1 0.8 3.0|100.0 -50.3 49.6 8.3 0.24| 5.5 1.4 Wrote GIF file: /home/apache/climate/data/raob//SCSN/skewt/SCSN.skewt.20251207.00.gif