UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042623.upa.cvt Date: 2300Z 26 APR 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 26 APR 25 Station: Y4775 WMO ident: 94775 ------------------------------------------------------------------------------- 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 1008 20 17.0 16.5 97 0.5 16.7 265 6 289.5 291.6 289.5 322.5 11.79 1 1000 88 16.8 15.7 93 1.1 16.1 230 13 290.0 291.9 289.3 321.7 11.28 2 925 750 14.0 12.2 89 1.8 12.9 160 21 293.6 295.4 289.2 321.4 9.69 3 922 777 13.8 12.7 93 1.1 13.1 161 21 293.7 295.5 289.5 322.5 10.05 4 914 851 14.4 9.7 73 4.7 11.6 163 19 295.0 296.5 288.4 319.0 8.29 5 850 1460 9.8 7.6 86 2.2 8.5 215 10 296.4 297.8 288.3 318.9 7.72 6 739 2608 1.8 1.6 99 0.2 1.7 170 21 299.8 300.9 287.8 317.1 5.82 7 700 3045 0.4 -0.1 96 0.5 0.1 150 33 302.9 303.9 288.5 319.3 5.43 8 698 3068 0.4 -0.2 96 0.6 0.1 303.2 304.2 288.6 319.5 5.41 TRP WND Sounding variables and indices Precipitable water: 0.98 inches Sfc-500 mean rel hum: 90.22 % Est. max temperature: 23.77 C = 74.78 F Sfc-Lift cond lev (LCL): 1000.79 mb = 81.32 m = 266.78 ft T: 16.82 C ThetaE index: 5.35 C Layer 914.0- 700.0 mb Conv cond level (CCL): 886.50 mb = 1107.31 m = 3632.87 ft Mean mixing ratio: 10.30 g/kg Conv temperature: 23.15 C = 73.68 F Cap Strength: 1.96 C Lifted Index @700 mb: -0.62 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 60.78 J/kg Max Up Vert Vel: 11.03 m/s Conv Inhibition (B-): 33.26 J/kg Cap Strength: 1.98 C Lift Cond Lev (LCL): 933.52 mb = 672.19 m = 2205.31 ft Lev Free Conv (LFC): 828.52 mb = 1670.00 m = 5478.92 ft Wind level data Storm motion: 208 at 13 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 1008 20 265 6 6.0 0.5 | 360 11 0.1 -10.6 1 1000 88 230 13 10.0 8.4 | 305 5 4.1 -2.8 2 940 610 165 21 -5.4 20.3 | 129 15 -11.3 9.1 3 925 750 160 21 -7.2 19.7 | 123 16 -13.1 8.6 4 907 914 165 18 -4.7 17.4 | 121 12 -10.6 6.2 5 875 1219 165 18 -4.7 17.4 | 121 12 -10.6 6.2 6 850 1460 215 10 5.7 8.2 | 3 3 -0.2 -3.0 7 843 1524 230 11 8.4 7.1 | 328 5 2.5 -4.1 8 812 1829 220 13 8.4 10.0 | 296 3 2.5 -1.2 9 783 2134 220 9 5.8 6.9 | 1 4 -0.1 -4.3 10 726 2743 155 24 -10.1 21.8 | 123 19 -16.0 10.6 11 700 3045 150 33 -16.5 28.6 | 128 28 -22.4 17.4 12 700 3048 155 31 -13.1 28.1 | 132 25 -19.0 16.9 Wind Parameters Mean winds (0-6000m): 177.8 at 16.8 knts Storm direction: 207.8 at 12.6 knts Shear (0-3000m) pos: 2.8 neg: 8.8 tot: 11.6 10-3/s Storm rel Dir Shear (0-3000m): 128.2 deg Storm rel helicity (0-3000m) pos: 12.8 neg: -60.9 tot: -48.1 m^2/s^2 ave: -16.0 10^-3 m/s^2 rel: -0.32 Storm rel vorticity (0-3000m) horiz: 16.1 stream: -5.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.67 Bulk Shear: 5.70 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 ------------------------------------------------------------------------------- 500 201 15 172 3| 0.0 21.0 21.0| 0.0 -25.4 -25.4 -50.8 -0.77| 27.5-21.1 1000 178 18 134 9| 0.0 10.3 10.3| 0.0 -41.2 -41.2 -41.2 -0.70| 18.3-12.8 1500 177 17 130 9| 5.7 6.8 12.5| 2.3 -44.7 -42.3 -28.2 -0.61| 18.6-11.2 2000 187 16 136 6| 4.2 5.5 9.8| 4.1 -46.6 -42.6 -21.3 -0.55| 15.3 -8.3 2500 189 15 135 5| 3.4 7.0 10.4| 5.9 -48.1 -42.1 -16.8 -0.36| 15.5 -5.6 3000 178 17 131 8| 2.8 8.8 11.6| 12.8 -60.9 -48.1 -16.0 -0.32| 16.1 -5.1 4000 NO DATA | 2.8 8.8 11.6| | 5000 NO DATA | 2.8 8.8 11.6| | 6000 NO DATA | 2.8 8.8 11.6| | Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20250426.23.gif