UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 20 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 63 310 11 SFC 996 96 8.0 -11.0 25 19.0 1.4 310 11 281.5 281.8 274.7 286.3 1.65 2 969 320 4.8 -18.2 17 23.0 -1.7 310 14 280.5 280.6 273.1 283.3 0.94 3 925 694 1.6 -19.4 19 21.0 -4.0 310 19 280.9 281.1 273.2 283.6 0.89 4 850 1369 -5.5 -21.5 27 16.0 -9.2 345 15 280.4 280.5 272.8 282.8 0.81 5 812 1725 -8.5 -22.5 31 14.0 -11.5 337 21 280.9 281.0 273.0 283.2 0.77 6 808 1764 -8.7 -22.7 31 14.0 -11.7 336 22 281.1 281.2 273.1 283.4 0.76 7 773 2106 -8.7 -28.7 18 20.0 -12.5 328 27 284.7 284.7 274.6 286.1 0.46 8 739 2453 -10.9 -38.9 8 28.0 -14.7 320 33 285.9 286.0 274.8 286.5 0.18 9 700 2868 -12.7 -30.7 21 18.0 -15.7 310 40 288.4 288.5 276.5 289.8 0.42 10 694 2934 -12.9 -28.9 25 16.0 -15.7 288.9 289.0 276.9 290.5 0.51 11 674 3156 -14.9 -28.9 29 14.0 -17.3 289.1 289.2 277.0 290.8 0.52 12 621 3770 -18.9 -39.9 14 21.0 -21.3 291.4 291.4 277.7 292.0 0.19 13 592 4128 -16.7 -49.7 4 33.0 -20.0 297.9 297.9 280.6 298.2 0.07 14 561 4530 -19.3 -51.3 4 32.0 -22.2 299.5 299.5 281.2 299.7 0.06 TRP WND Sounding variables and indices Freezing level: 908.10 mb = 846.11 m = 2775.93 ft Wetbulb zero: 984.11 mb = 193.66 m = 635.36 ft Precipitable water: 0.10 inches Sfc-500 mean rel hum: 18.67 % Est. max temperature: 6.97 C = 44.54 F Sfc-Lift cond lev (LCL): 742.70 mb = 2414.70 m = 7922.15 ft T: -10.66 C ThetaE index: 3.02 C Layer 969.0- 925.0 mb Conv cond level (CCL): None Cap Strength: 14.37 C Lifted Index @700 mb: 6.87 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.25 J/kg Max Up Vert Vel: 3.81 m/s Conv Inhibition (B-): 726.37 J/kg Cap Strength: 14.10 C Lift Cond Lev (LCL): 680.84 mb = 3079.08 m = 10101.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 349 at 17 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 ---------------------------------------------------------- 0 996 96 310 11 8.4 -7.1 | 209 11 5.2 9.4 1 925 694 310 19 14.6 -12.2 | 249 12 11.4 4.3 2 850 1369 345 15 3.9 -14.5 | 200 2 0.7 2.0 3 700 2868 310 40 30.6 -25.7 | 289 29 27.5 -9.2 Wind Parameters Mean winds (0-6000m): 319.1 at 22.4 knts Storm direction: 349.1 at 16.8 knts Shear (0-3000m) pos: 1.9 neg: 5.4 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 79.4 deg Storm rel helicity (0-3000m) pos: 26.5 neg: -24.2 tot: 2.3 m^2/s^2 ave: 0.9 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.75 Bulk Shear: 9.62 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 ------------------------------------------------------------------------------- 500 310 14 227 11| 0.0 6.9 6.9| 18.7 0.0 18.7 37.4 0.98| 6.9 6.7 1000 314 16 238 10| 3.2 3.4 6.7| 23.4 -0.6 22.8 22.8 0.52| 7.6 4.0 1500 322 16 241 8| 3.2 2.3 5.5| 25.0 -2.3 22.8 15.2 0.39| 7.7 3.0 2000 325 18 256 7| 2.4 4.2 6.6| 26.5 -2.8 23.7 11.9 0.30| 8.3 2.5 2500 322 21 269 9| 1.9 5.4 7.3| 26.5 -14.0 12.5 5.0 0.17| 8.8 1.5 3000 NO DATA | 1.9 5.4 7.3| | 4000 NO DATA | 1.9 5.4 7.3| | 5000 NO DATA | 1.9 5.4 7.3| | 6000 NO DATA | 1.9 5.4 7.3| | Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250420.12.gif