UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for X4009... Searching the city database file for: X4009 ... Date:0000Z 13 DEC 25 Station: X4009 WMO ident: 34009 Latitude: 51.77 Longitude: 36.17 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 84 SFC 980 245 -2.1 -6.8 70 4.7 -3.7 330 11 272.6 273.0 270.6 279.1 2.34 2 928 673 -8.1 -13.1 67 5.0 -9.4 358 35 270.8 271.0 268.0 275.0 1.50 3 925 698 -8.1 -13.1 67 5.0 -9.4 360 36 271.0 271.3 268.1 275.2 1.50 4 884 1049 -9.7 -13.9 71 4.2 -10.8 355 33 272.9 273.2 269.3 277.1 1.47 5 863 1233 -12.9 -16.2 76 3.3 -13.6 352 32 271.5 271.7 268.0 275.0 1.25 6 850 1349 -13.3 -16.3 78 3.0 -14.0 350 31 272.2 272.4 268.5 275.8 1.26 7 845 1394 -13.3 -16.3 78 3.0 -14.0 272.7 272.9 268.8 276.3 1.26 8 832 1512 -15.1 -18.6 75 3.5 -15.8 272.0 272.2 268.0 275.0 1.06 9 805 1761 -14.3 -19.3 66 5.0 -15.3 275.4 275.6 270.2 278.4 1.03 10 757 2224 -18.1 -28.1 41 10.0 -19.6 276.2 276.3 269.7 277.7 0.50 11 700 2808 -19.5 -33.5 28 14.0 -21.2 280.9 280.9 272.2 281.9 0.32 12 649 3368 -21.1 -38.1 20 17.0 -22.9 285.2 285.3 274.5 285.9 0.22 13 611 3815 -19.7 -43.7 10 24.0 -22.1 291.8 291.8 277.8 292.2 0.13 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 48.09 % Est. max temperature: -2.48 C = 27.53 F Sfc-Lift cond lev (LCL): 910.23 mb = 822.58 m = 2698.71 ft T: -8.67 C ThetaE index: 4.10 C Layer 928.0- 925.0 mb Conv cond level (CCL): 866.45 mb = 1202.81 m = 3946.18 ft Mean mixing ratio: 1.71 g/kg Conv temperature: -3.02 C = 26.56 F Cap Strength: 14.15 C Lifted Index @700 mb: 5.73 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.36 J/kg Max Up Vert Vel: 2.59 m/s Conv Inhibition (B-): 4.09 J/kg Cap Strength: 13.67 C Lift Cond Lev (LCL): 864.36 mb = 1221.26 m = 4006.69 ft Lev Free Conv (LFC): 859.36 mb = 1265.53 m = 4151.96 ft Equ Level (EL): 849.36 mb = 1354.70 m = 4444.49 ft B at Equ Level: 2.75 J/kg Max Parcel Lev (MPL): 819.36 mb = 1627.52 m = 5339.57 ft Wind level data Storm motion: 25 at 22 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 ---------------------------------------------------------- 0 980 245 330 11 5.5 -9.5 | 234 18 14.7 10.5 1 925 698 360 36 -0.0 -36.0 | 330 18 9.2 -15.9 2 850 1349 350 31 5.4 -30.5 | 306 18 14.6 -10.5 Wind Parameters Mean winds (0-6000m): 354.7 at 29.4 knts Storm direction: 24.7 at 22.1 knts Shear (0-3000m) pos: 13.7 neg: 3.0 tot: 16.7 10-3/s Storm rel Dir Shear (0-3000m): 71.3 deg Storm rel helicity (0-3000m) pos: 115.0 neg: -33.7 tot: 81.3 m^2/s^2 ave: 74.0 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 16.2 stream: 9.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.09 Bulk Shear: 3.08 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 ------------------------------------------------------------------------------- 500 354 25 291 13| 27.4 0.0 27.4|115.0 0.0 115.0 230.0 0.98| 28.4 27.7 1000 355 29 308 15| 13.7 3.0 16.7|115.0 -28.3 86.8 86.8 0.63| 17.3 10.8 1500 NO DATA | 13.7 3.0 16.7| | 2000 NO DATA | 13.7 3.0 16.7| | 2500 NO DATA | 13.7 3.0 16.7| | 3000 NO DATA | 13.7 3.0 16.7| | 4000 NO DATA | 13.7 3.0 16.7| | 5000 NO DATA | 13.7 3.0 16.7| | 6000 NO DATA | 13.7 3.0 16.7| | Wrote GIF file: /home/apache/climate/data/raob//X4009/skewt/X4009.skewt.20251213.00.gif