UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 19 OCT 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 1011 7 23.6 23.2 98 0.4 23.3 320 1 295.8 299.1 296.1 347.6 17.98 1 1000 100 22.6 22.4 99 0.2 22.5 345 7 295.8 298.9 295.6 345.6 17.30 2 992 170 22.4 22.1 98 0.3 22.2 351 7 296.2 299.3 295.6 345.6 17.12 3 974 331 24.2 20.9 82 3.3 21.9 5 8 299.6 302.6 295.9 346.9 16.18 4 925 782 21.6 17.8 79 3.8 19.0 45 11 301.4 304.0 295.0 342.6 14.00 5 850 1514 18.0 14.4 79 3.6 15.6 70 15 305.0 307.3 294.7 341.5 12.23 6 791 2127 15.2 10.2 72 5.0 12.0 77 19 308.3 310.2 294.0 338.5 9.93 7 700 3153 9.0 6.5 84 2.5 7.5 90 25 312.5 314.1 294.1 339.4 8.71 8 622 4119 3.2 1.7 90 1.5 2.4 316.5 317.9 294.0 338.6 6.98 9 531 5386 -2.7 -2.9 99 0.2 -2.8 324.1 325.3 295.1 343.2 5.83 TRP WND Sounding variables and indices Freezing level: 572.64 mb = 4806.35 m = 15768.68 ft Wetbulb zero: 580.29 mb = 4675.22 m = 15338.46 ft Precipitable water: 1.99 inches Sfc-500 mean rel hum: 84.73 % Est. max temperature: 32.26 C = 90.06 F Sfc-Lift cond lev (LCL): 1005.56 mb = 52.88 m = 173.49 ft T: 23.11 C ThetaE index: 8.36 C Layer 925.0- 700.0 mb Conv cond level (CCL): 855.27 mb = 1460.46 m = 4791.47 ft Mean mixing ratio: 15.61 g/kg Conv temperature: 32.55 C = 90.59 F Cap Strength: 2.02 C Lifted Index @700 mb: -0.16 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 95.58 J/kg Max Up Vert Vel: 13.83 m/s Conv Inhibition (B-): 109.61 J/kg Cap Strength: 2.02 C Lift Cond Lev (LCL): 923.93 mb = 791.99 m = 2598.37 ft Lev Free Conv (LFC): 708.93 mb = 3046.59 m = 9995.26 ft Wind level data Storm motion: 102 at 12 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 1011 7 320 1 0.6 -0.8 | 284 12 12.1 -3.1 1 1000 100 345 7 1.8 -6.8 | 304 16 13.3 -9.1 2 925 782 45 11 -7.8 -7.8 | 340 11 3.7 -10.1 3 850 1514 70 15 -14.1 -5.1 | 20 8 -2.6 -7.5 4 700 3153 90 25 -25.0 0.0 | 80 14 -13.5 -2.3 Wind Parameters Mean winds (0-6000m): 71.5 at 15.6 knts Storm direction: 101.5 at 11.7 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 151.9 deg Storm rel helicity (0-3000m) pos: 91.0 neg: 0.0 tot: 91.0 m^2/s^2 ave: 30.3 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 5.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 3.40 Bulk Shear: 28.13 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 3 7 311 15| 9.2 0.0 9.2| 38.5 0.0 38.5 77.0 0.86| 12.1 10.4 1000 29 9 326 12| 6.3 0.0 6.3| 54.7 0.0 54.7 54.7 0.84| 9.4 7.9 1500 45 11 338 11| 5.3 0.0 5.3| 65.2 0.0 65.2 43.5 0.85| 8.0 6.8 2000 55 12 350 9| 4.8 0.0 4.8| 72.7 0.0 72.7 36.3 0.87| 6.9 6.0 2500 63 14 4 9| 4.4 0.0 4.4| 81.1 0.0 81.1 32.4 0.87| 6.3 5.4 3000 70 15 20 8| 4.2 0.0 4.2| 91.0 0.0 91.0 30.3 0.86| 5.9 5.1 4000 NO DATA | 4.2 0.0 4.2| | 5000 NO DATA | 4.2 0.0 4.2| | 6000 NO DATA | 4.2 0.0 4.2| | Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251019.00.gif