UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122523.upa.cvt Date: 2300Z 25 DEC 25 Searching for VG977... Searching the city database file for: VG977 ... Date:2300Z 25 DEC 25 Station: VG977 WMO ident: 41977 Latitude: 22.35 Longitude: 91.82 ------------------------------------------------------------------------------- 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 38 16.2 15.7 97 0.5 15.9 0 0 288.4 290.4 288.6 319.6 11.16 1 1000 130 13.8 13.1 96 0.7 13.4 30 6 287.0 288.6 286.5 313.4 9.51 2 925 792 15.8 11.7 77 4.1 13.3 130 5 295.5 297.2 289.5 322.5 9.37 3 850 1507 14.2 -21.8 7 36.0 2.2 185 11 301.0 301.2 282.8 303.6 0.79 4 700 3136 10.6 -34.4 3 45.0 -1.6 300 22 314.2 314.3 287.2 315.3 0.30 TRP WND Sounding variables and indices Wetbulb zero: 762.87 mb = 2414.39 m = 7921.13 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 33.12 % Est. max temperature: 27.96 C = 82.33 F Sfc-Lift cond lev (LCL): 1003.73 mb = 98.61 m = 323.52 ft T: 14.62 C ThetaE index: 18.92 C Layer 850.0- 700.0 mb Conv cond level (CCL): None Cap Strength: 11.05 C Lifted Index @700 mb: 11.05 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.43 J/kg Max Up Vert Vel: 6.39 m/s Conv Inhibition (B-): 551.13 J/kg Cap Strength: 10.67 C Lift Cond Lev (LCL): 919.98 mb = 837.99 m = 2749.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 282 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 1011 38 0 0 -0.0 -0.0 | 102 9 -8.7 1.9 1 1000 130 30 6 -3.0 -5.2 | 74 12 -11.7 -3.3 2 925 792 130 5 -3.8 3.2 | 112 13 -12.5 5.1 3 850 1507 185 11 1.0 11.0 | 149 15 -7.7 12.9 4 700 3136 300 22 19.1 -11.0 | 311 14 10.4 -9.1 Wind Parameters Mean winds (0-6000m): 252.4 at 11.8 knts Storm direction: 282.4 at 8.9 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -161.9 deg Storm rel helicity (0-3000m) pos: 169.1 neg: -13.3 tot: 155.8 m^2/s^2 ave: 51.9 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 7.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.54 Bulk Shear: 37.52 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 55 5 85 13| 5.5 0.0 5.5| 19.9 -13.3 6.6 13.1 0.04| 12.4 0.5 1000 94 5 99 14| 3.6 0.0 3.6| 42.2 -13.3 28.9 28.9 0.35| 9.4 3.3 1500 143 7 120 15| 3.8 0.0 3.8| 71.3 -13.3 58.0 38.7 0.54| 8.8 4.7 2000 176 8 137 14| 3.8 0.0 3.8|101.9 -13.3 88.6 44.3 0.65| 8.8 5.7 2500 207 10 158 11| 3.7 0.0 3.7|133.0 -13.3 119.7 47.9 0.72| 9.2 6.7 3000 243 11 193 7| 3.7 0.0 3.7|169.1 -13.3 155.8 51.9 0.78| 9.9 7.7 4000 NO DATA | 3.7 0.0 3.7| | 5000 NO DATA | 3.7 0.0 3.7| | 6000 NO DATA | 3.7 0.0 3.7| | Wrote GIF file: /home/apache/climate/data/raob//VG977/skewt/VG977.skewt.20251225.23.gif