UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051112.upa.cvt Date: 1200Z 11 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 11 MAY 25 Station: VTBC WMO ident: 48480 Latitude: 12.60 Longitude: 102.12 Elevation: 4.00 ------------------------------------------------------------------------------- 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 4 30.0 25.0 75 5.0 26.3 180 5 302.7 306.4 299.2 362.8 20.23 1 1000 50 29.0 23.0 70 6.0 24.6 175 6 302.1 305.5 297.7 355.2 17.96 2 925 740 24.0 21.4 85 2.6 22.1 125 1 303.8 307.1 298.0 356.3 17.61 3 881 1167 20.6 19.7 95 0.9 20.0 41 2 304.6 307.7 297.5 354.2 16.62 4 854 1436 18.8 18.6 99 0.2 18.7 31 3 305.4 308.4 297.3 353.3 15.99 5 850 1477 18.8 17.2 90 1.6 17.7 30 3 305.8 308.6 296.6 349.9 14.68 6 798 2015 16.4 12.0 75 4.4 13.5 308.9 310.9 295.0 342.6 11.11 TRP WND Sounding variables and indices Precipitable water: 1.31 inches Sfc-500 mean rel hum: 84.51 % Est. max temperature: 32.68 C = 90.83 F Sfc-Lift cond lev (LCL): 935.31 mb = 641.94 m = 2106.07 ft T: 24.71 C ThetaE index: 13.65 C Layer 881.0- 1.9 mb Conv cond level (CCL): 883.84 mb = 1138.39 m = 3734.82 ft Mean mixing ratio: 17.76 g/kg Conv temperature: 31.83 C = 89.29 F Cap Strength: 1.03 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.33 J/kg Max Up Vert Vel: 5.35 m/s Conv Inhibition (B-): 10.71 J/kg Cap Strength: 1.03 C Lift Cond Lev (LCL): 901.52 mb = 964.97 m = 3165.87 ft Lev Free Conv (LFC): 866.52 mb = 1310.17 m = 4298.42 ft Wind level data Storm motion: 187 at 2 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 4 180 5 0.0 5.0 | 174 3 -0.3 2.6 1 1000 50 175 6 -0.5 6.0 | 167 4 -0.8 3.5 2 972 305 195 6 1.6 5.8 | 201 4 1.3 3.4 3 939 610 190 2 0.3 2.0 | 353 0 0.1 -0.5 4 925 740 125 1 -0.8 0.6 | 31 2 -1.1 -1.9 5 907 914 50 2 -1.5 -1.3 | 26 4 -1.8 -3.7 6 850 1477 30 3 -1.5 -2.6 | 20 5 -1.8 -5.0 7 845 1524 35 3 -1.7 -2.5 | 22 5 -2.0 -4.9 Wind Parameters Mean winds (0-6000m): 156.7 at 3.3 knts Storm direction: 186.7 at 2.5 knts Shear (0-3000m) pos: 0.6 neg: 2.2 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): -151.3 deg Storm rel helicity (0-3000m) pos: 1.9 neg: -1.1 tot: 0.7 m^2/s^2 ave: 0.5 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 11.26 Bulk Shear: 1.27 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 ------------------------------------------------------------------------------- 500 187 5 188 3| 1.9 0.0 1.9| 1.6 0.0 1.6 3.2 0.34| 5.4 1.8 1000 181 4 168 1| 0.9 2.7 3.7| 1.8 -0.6 1.2 1.2 0.33| 5.9 1.9 1500 158 3 112 2| 0.6 2.2 2.8| 1.9 -1.1 0.7 0.5 0.27| 4.3 1.2 2000 NO DATA | 0.6 2.2 2.8| | 2500 NO DATA | 0.6 2.2 2.8| | 3000 NO DATA | 0.6 2.2 2.8| | 4000 NO DATA | 0.6 2.2 2.8| | 5000 NO DATA | 0.6 2.2 2.8| | 6000 NO DATA | 0.6 2.2 2.8| | Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250511.12.gif