UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101911.upa.cvt Date: 1100Z 19 OCT 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 19 OCT 25 Station: BIKF WMO ident: 4018 Latitude: 63.97 Longitude: -22.60 Elevation: 52.00 ------------------------------------------------------------------------------- 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 1007 52 7.0 5.2 88 1.8 6.1 110 4 279.6 280.5 278.9 294.7 5.51 1 1000 97 6.2 3.9 85 2.3 5.1 115 8 279.4 280.2 278.3 293.2 5.06 2 925 732 2.0 2.0 100 0.0 2.0 165 4 281.4 282.2 278.9 294.6 4.78 3 852 1389 -2.5 -2.5 100 0.0 -2.5 283.3 284.0 278.6 293.9 3.73 TRP WND Sounding variables and indices Freezing level: 892.56 mb = 1024.05 m = 3359.71 ft Wetbulb zero: 892.45 mb = 1018.39 m = 3341.12 ft Precipitable water: 0.29 inches Sfc-500 mean rel hum: 95.99 % Est. max temperature: 10.61 C = 51.10 F Sfc-Lift cond lev (LCL): 979.60 mb = 264.85 m = 868.92 ft T: 5.09 C ThetaE index: 1.44 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 932.32 mb = 667.76 m = 2190.79 ft Mean mixing ratio: 4.89 g/kg Conv temperature: 8.57 C = 47.42 F Cap Strength: 0.38 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.72 J/kg Max Up Vert Vel: 4.18 m/s Conv Inhibition (B-): 4.22 J/kg Cap Strength: 0.38 C Lift Cond Lev (LCL): 941.17 mb = 590.86 m = 1938.48 ft Lev Free Conv (LFC): 866.17 mb = 1257.28 m = 4124.89 ft Wind level data Storm motion: 160 at 4 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 1007 52 110 4 -3.8 1.4 | 38 4 -2.2 -2.8 1 1000 97 115 8 -7.3 3.4 | 82 6 -5.7 -0.8 2 925 732 165 4 -1.0 3.9 | 304 1 0.5 -0.4 Wind Parameters Mean winds (0-6000m): 129.6 at 6.0 knts Storm direction: 159.6 at 4.5 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): -94.0 deg Storm rel helicity (0-3000m) pos: 4.6 neg: -0.0 tot: 4.6 m^2/s^2 ave: 7.7 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 205.45 Bulk Shear: 0.04 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 ------------------------------------------------------------------------------- 500 127 7 85 4| 3.5 0.0 3.5| 4.6 0.0 4.6 9.2 0.57| 8.5 4.9 1000 NO DATA | 3.5 0.0 3.5| | 1500 NO DATA | 3.5 0.0 3.5| | 2000 NO DATA | 3.5 0.0 3.5| | 2500 NO DATA | 3.5 0.0 3.5| | 3000 NO DATA | 3.5 0.0 3.5| | 4000 NO DATA | 3.5 0.0 3.5| | 5000 NO DATA | 3.5 0.0 3.5| | 6000 NO DATA | 3.5 0.0 3.5| | Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251019.11.gif