UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U4343... Searching the city database file for: U4343 ... Date:1200Z 28 APR 25 Station: U4343 WMO ident: 24343 Latitude: 66.77 Longitude: 123.40 ------------------------------------------------------------------------------- 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 62 350 3 SFC 998 78 3.6 -5.4 52 9.0 0.2 350 3 276.9 277.3 273.5 284.1 2.56 2 997 87 4.2 -3.8 56 8.0 1.1 350 3 277.6 278.1 274.3 285.6 2.89 3 996 95 2.4 -6.6 51 9.0 -0.8 351 3 275.9 276.3 272.5 282.4 2.34 4 925 693 -0.7 -9.7 51 9.0 -3.7 15 19 278.6 278.9 273.6 284.2 1.98 5 885 1045 -2.5 -10.5 54 8.0 -5.1 7 15 280.3 280.6 274.5 285.8 1.94 6 883 1063 -3.3 -11.3 54 8.0 -5.8 7 15 279.6 279.9 273.9 284.9 1.82 TRP WND Sounding variables and indices Freezing level: 941.03 mb = 557.91 m = 1830.40 ft Wetbulb zero: 996.43 mb = 91.26 m = 299.40 ft Precipitable water: 0.10 inches Sfc-500 mean rel hum: 51.54 % Est. max temperature: -273.15 C = -459.67 F Sfc-Lift cond lev (LCL): 867.88 mb = -9999.00 m = -9999.00 ft T: -9999.00 C ThetaE index: 3.25 C Layer 996.0- 925.0 mb Conv cond level (CCL): None Cap Strength: -9988.64 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 114500.61 J/kg Max Up Vert Vel: 478.54 m/s Conv Inhibition (B-): 21.87 J/kg Cap Strength: 2.42 C Lift Cond Lev (LCL): 823.88 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 29 at 8 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 ---------------------------------------------------------- 0 998 78 350 3 0.5 -3.0 | 228 6 4.2 3.8 1 925 693 15 19 -4.9 -18.4 | 6 12 -1.2 -11.6 2 850 1347 360 11 -0.0 -11.0 | 319 6 3.7 -4.2 3 700 2774 245 5 4.5 2.1 | 223 12 8.2 8.9 Wind Parameters Mean winds (0-6000m): 358.7 at 10.3 knts Storm direction: 28.7 at 7.7 knts Shear (0-3000m) pos: 2.7 neg: 3.9 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): -5.1 deg Storm rel helicity (0-3000m) pos: 20.8 neg: -51.3 tot: -30.5 m^2/s^2 ave: -11.7 10^-3 m/s^2 rel: -0.19 Storm rel vorticity (0-3000m) horiz: 7.9 stream: -1.5 10^-3/s Energy-Hel index: 14.87 Bulk Rich Number: 163724.81 Bulk Shear: 0.70 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 11 9 323 3| 13.6 0.0 13.6| 16.1 0.0 16.1 32.2 0.85| 14.0 12.0 1000 11 13 350 6| 6.8 1.1 7.9| 20.8 -8.6 12.2 12.2 0.46| 11.1 5.1 1500 8 13 341 6| 4.5 3.0 7.5| 20.8 -18.9 1.9 1.3 0.14| 9.8 1.4 2000 1 12 325 6| 3.4 3.9 7.3| 20.8 -32.7 -12.0 -6.0 -0.05| 9.0 -0.4 2500 358 11 314 6| 2.7 3.9 6.6| 20.8 -48.4 -27.6 -11.0 -0.17| 8.3 -1.4 3000 NO DATA | 2.7 3.9 6.6| | 4000 NO DATA | 2.7 3.9 6.6| | 5000 NO DATA | 2.7 3.9 6.6| | 6000 NO DATA | 2.7 3.9 6.6| | Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20250428.12.gif