UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101400.upa.cvt Date: 0000Z 14 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 14 OCT 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 6 25.4 24.3 94 1.1 24.6 360 1 297.6 301.1 297.4 353.5 19.25 1 1000 104 24.6 24.0 96 0.6 24.2 355 5 297.8 301.2 297.3 353.3 19.11 2 925 788 21.6 21.0 96 0.6 21.2 70 13 301.4 304.5 297.1 352.0 17.17 3 850 1521 18.8 16.6 87 2.2 17.3 95 9 305.8 308.5 296.2 348.2 14.12 4 824 1788 18.0 14.7 81 3.3 15.8 100 11 307.7 310.1 295.9 346.6 12.87 5 714 3002 11.0 6.2 72 4.8 8.1 122 22 312.9 314.5 294.0 338.8 8.36 6 700 3167 9.8 5.9 77 3.9 7.5 125 23 313.3 314.9 294.1 339.3 8.35 7 581 4687 0.8 0.1 95 0.7 0.4 320.0 321.3 294.6 341.3 6.65 TRP WND Sounding variables and indices Precipitable water: 2.07 inches Sfc-500 mean rel hum: 85.52 % Est. max temperature: 32.97 C = 91.34 F Sfc-Lift cond lev (LCL): 995.41 mb = 144.33 m = 473.50 ft T: 24.42 C ThetaE index: 14.70 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 934.96 mb = 694.03 m = 2276.97 ft Mean mixing ratio: 18.06 g/kg Conv temperature: 28.69 C = 83.64 F Cap Strength: 0.75 C Lifted Index @700 mb: -1.50 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 168.88 J/kg Max Up Vert Vel: 18.38 m/s Conv Inhibition (B-): 22.40 J/kg Cap Strength: 0.73 C Lift Cond Lev (LCL): 951.68 mb = 538.54 m = 1766.84 ft Lev Free Conv (LFC): 776.68 mb = 2288.88 m = 7509.36 ft Wind level data Storm motion: 131 at 10 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 6 360 1 -0.0 -1.0 | 315 10 7.3 -7.4 1 1000 104 355 5 0.4 -5.0 | 326 14 7.8 -11.4 2 925 788 70 13 -12.2 -4.4 | 24 12 -4.9 -10.9 3 850 1521 95 9 -9.0 0.8 | 16 6 -1.6 -5.6 4 700 3167 125 23 -18.8 13.2 | 120 13 -11.5 6.8 Wind Parameters Mean winds (0-6000m): 101.2 at 13.0 knts Storm direction: 131.2 at 9.7 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 159.4 deg Storm rel helicity (0-3000m) pos: 83.3 neg: -1.9 tot: 81.3 m^2/s^2 ave: 27.1 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.8 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 7.10 Bulk Shear: 23.78 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 22 7 338 13| 9.2 0.0 9.2| 34.1 0.0 34.1 68.2 0.83| 11.7 9.7 1000 57 9 2 11| 6.0 0.0 6.0| 57.2 0.0 57.2 57.2 0.80| 10.4 8.4 1500 67 10 9 10| 3.2 0.0 3.2| 57.2 -1.9 55.3 36.9 0.62| 8.4 5.2 2000 77 10 15 9| 3.4 0.0 3.4| 64.0 -1.9 62.1 31.1 0.68| 7.4 5.0 2500 87 11 28 8| 3.7 0.0 3.7| 72.4 -1.9 70.4 28.2 0.71| 6.9 4.9 3000 98 12 47 7| 3.8 0.0 3.8| 83.3 -1.9 81.3 27.1 0.71| 6.7 4.8 4000 NO DATA | 3.8 0.0 3.8| | 5000 NO DATA | 3.8 0.0 3.8| | 6000 NO DATA | 3.8 0.0 3.8| | Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251014.00.gif