UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121612.upa.cvt Date: 1200Z 16 DEC 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 16 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 1005 101 21.0 17.8 82 3.2 18.8 200 21 293.7 296.0 291.8 330.4 12.86 1 1000 124 20.8 16.4 76 4.4 17.9 175 16 294.0 296.1 291.0 327.7 11.81 2 940 655 15.2 15.2 100 0.0 15.2 167 22 293.5 295.6 290.7 326.7 11.63 3 925 791 14.4 14.4 100 0.0 14.4 165 23 294.0 296.0 290.6 326.1 11.22 4 909 938 13.2 11.3 88 1.9 12.0 164 25 294.3 295.9 289.0 320.9 9.29 5 905 975 15.4 10.4 72 5.0 12.4 164 26 296.9 298.5 289.5 322.4 8.78 6 893 1089 17.4 0.4 32 17.0 8.6 163 27 300.1 300.9 286.5 313.4 4.41 7 878 1233 17.0 -16.0 9 33.0 4.5 162 29 301.2 301.4 283.4 305.1 1.25 8 850 1509 15.8 -20.2 7 36.0 3.2 160 33 302.7 302.9 283.7 305.6 0.90 9 791 2116 14.0 -27.0 4 41.0 1.3 307.1 307.2 284.9 308.9 0.53 10 785 2180 14.0 -21.0 7 35.0 1.8 307.7 307.9 285.6 310.8 0.91 TRP WND Sounding variables and indices Precipitable water: 0.53 inches Sfc-500 mean rel hum: 45.25 % Est. max temperature: 29.70 C = 85.46 F Sfc-Lift cond lev (LCL): 958.88 mb = 484.10 m = 1588.22 ft T: 17.00 C ThetaE index: 17.28 C Layer 893.0- 850.0 mb Conv cond level (CCL): 929.92 mb = 746.00 m = 2447.48 ft Mean mixing ratio: 11.35 g/kg Conv temperature: 21.13 C = 70.03 F Cap Strength: 6.16 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.23 J/kg Max Up Vert Vel: 3.23 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 5.89 C Lift Cond Lev (LCL): 929.79 mb = 747.17 m = 2451.31 ft Lev Free Conv (LFC): 924.79 mb = 792.88 m = 2601.28 ft Equ Level (EL): 904.79 mb = 977.27 m = 3206.23 ft B at Equ Level: 1.57 J/kg Max Parcel Lev (MPL): 894.79 mb = 1071.80 m = 3516.37 ft Wind level data Storm motion: 195 at 18 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 1005 101 200 21 7.2 19.7 | 224 4 2.5 2.5 1 1000 124 175 16 -1.4 15.9 | 78 6 -6.1 -1.2 2 925 791 165 23 -6.0 22.2 | 115 12 -10.7 5.0 3 850 1509 160 33 -11.3 31.0 | 131 21 -16.0 13.8 Wind Parameters Mean winds (0-6000m): 165.3 at 23.8 knts Storm direction: 195.3 at 17.8 knts Shear (0-3000m) pos: 0.0 neg: 8.5 tot: 8.5 10-3/s Storm rel Dir Shear (0-3000m): -93.3 deg Storm rel helicity (0-3000m) pos: 26.2 neg: -4.1 tot: 22.1 m^2/s^2 ave: 15.8 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 10.9 stream: -1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.15 Bulk Shear: 4.54 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 ------------------------------------------------------------------------------- 500 172 19 99 7| 0.0 12.0 12.0| 6.8 -4.1 2.7 5.3 -0.52| 17.7 -9.1 1000 168 21 111 10| 0.0 8.5 8.5| 17.5 -4.1 13.5 13.5 -0.24| 12.3 -2.9 1500 NO DATA | 0.0 8.5 8.5| | 2000 NO DATA | 0.0 8.5 8.5| | 2500 NO DATA | 0.0 8.5 8.5| | 3000 NO DATA | 0.0 8.5 8.5| | 4000 NO DATA | 0.0 8.5 8.5| | 5000 NO DATA | 0.0 8.5 8.5| | 6000 NO DATA | 0.0 8.5 8.5| | Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251216.12.gif