UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for U4343... Searching the city database file for: U4343 ... Date:1200Z 9 OCT 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 ------------------------------------------------------------------------------- SFC 1020 80 -8.3 -12.1 74 3.8 -9.2 30 5 263.4 263.6 262.7 267.4 1.48 1 1000 233 -9.3 -12.1 80 2.8 -10.0 360 19 263.9 264.1 263.2 267.9 1.51 2 970 469 -10.5 -12.9 82 2.4 -11.1 8 21 264.9 265.2 263.9 268.9 1.46 3 936 746 -8.3 -10.4 85 2.1 -8.9 17 22 269.9 270.2 268.0 275.0 1.85 4 925 838 -8.7 -10.9 84 2.2 -9.3 20 23 270.4 270.7 268.2 275.4 1.80 5 850 1491 -12.5 -15.2 80 2.7 -13.2 30 25 273.1 273.3 269.2 277.0 1.38 6 756 2379 -15.7 -18.2 81 2.5 -16.3 33 24 278.9 279.1 272.5 282.4 1.20 7 727 2675 -13.5 -15.4 86 1.9 -14.0 34 23 284.4 284.7 276.2 289.1 1.59 8 700 2962 -14.5 -16.8 83 2.3 -15.1 35 23 286.4 286.7 277.0 290.8 1.46 9 684 3137 -15.5 -18.1 80 2.6 -16.1 287.2 287.4 277.3 291.3 1.34 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 81.84 % Est. max temperature: 0.73 C = 33.31 F Sfc-Lift cond lev (LCL): 959.93 mb = 550.02 m = 1804.51 ft T: -9.86 C ThetaE index: 0.00 C Layer 1020.0-166057796923399653706080487429850005504.0 mb Conv cond level (CCL): 800.06 mb = 1949.85 m = 6397.05 ft Mean mixing ratio: 1.60 g/kg Conv temperature: 4.48 C = 40.06 F Cap Strength: 15.95 C Lifted Index @700 mb: 15.48 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.65 J/kg Max Up Vert Vel: 7.96 m/s Conv Inhibition (B-): 735.94 J/kg Cap Strength: 15.76 C Lift Cond Lev (LCL): 930.44 mb = 792.34 m = 2599.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 56 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 1020 80 30 5 -2.5 -4.3 | 246 13 11.6 5.2 1 1000 233 360 19 -0.0 -19.0 | 304 17 14.1 -9.4 2 925 838 20 23 -7.9 -21.6 | 333 14 6.3 -12.1 3 850 1491 30 25 -12.5 -21.7 | 352 12 1.6 -12.1 4 700 2962 35 23 -13.2 -18.8 | 354 9 0.9 -9.3 Wind Parameters Mean winds (0-6000m): 26.0 at 22.7 knts Storm direction: 56.0 at 17.1 knts Shear (0-3000m) pos: 1.8 neg: 3.4 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 108.4 deg Storm rel helicity (0-3000m) pos: 87.9 neg: 0.0 tot: 87.9 m^2/s^2 ave: 31.4 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 4.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.23 Bulk Shear: 9.81 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 6 18 303 15| 0.0 17.1 17.1| 58.9 0.0 58.9 117.9 0.88| 20.2 17.8 1000 14 20 317 14| 2.8 8.6 11.3| 77.4 0.0 77.4 77.4 0.89| 12.9 11.5 1500 19 22 327 13| 2.9 5.7 8.6| 87.0 0.0 87.0 58.0 0.89| 9.7 8.6 2000 22 22 333 12| 2.2 4.3 6.5| 87.5 0.0 87.5 43.7 0.87| 7.5 6.5 2500 25 23 337 12| 1.8 3.4 5.3| 87.8 0.0 87.8 35.1 0.84| 6.2 5.2 3000 NO DATA | 1.8 3.4 5.3| | 4000 NO DATA | 1.8 3.4 5.3| | 5000 NO DATA | 1.8 3.4 5.3| | 6000 NO DATA | 1.8 3.4 5.3| | Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20251009.12.gif