UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 2 DEC 25 Station: UHNN WMO ident: 31369 Latitude: 53.15 Longitude: 140.70 Elevation: 68.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -34 SFC 990 68 -10.9 -14.4 75 3.5 -11.7 270 13 263.0 263.2 262.1 266.4 1.26 2 925 561 -15.3 -19.6 70 4.3 -16.1 270 44 263.7 263.8 261.8 266.1 0.87 3 850 1195 -19.7 -22.5 78 2.8 -20.1 300 48 265.5 265.6 262.9 267.6 0.74 4 849 1204 -19.7 -22.5 78 2.8 -20.1 265.6 265.7 263.0 267.7 0.74 5 809 1566 -13.9 -15.8 86 1.9 -14.3 275.5 275.7 270.8 279.4 1.38 6 701 2641 -20.1 -23.5 74 3.4 -20.7 280.1 280.3 272.6 282.6 0.82 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 77.26 % Est. max temperature: -6.16 C = 20.91 F Sfc-Lift cond lev (LCL): 935.82 mb = 476.61 m = 1563.65 ft T: -14.55 C ThetaE index: 0.35 C Layer 925.0- 850.0 mb Conv cond level (CCL): 860.99 mb = 1098.71 m = 3604.65 ft Mean mixing ratio: 0.99 g/kg Conv temperature: -8.68 C = 16.38 F Cap Strength: 13.34 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.07 J/kg Max Up Vert Vel: 3.19 m/s Conv Inhibition (B-): 577.90 J/kg Cap Strength: 13.24 C Lift Cond Lev (LCL): 883.22 mb = 907.54 m = 2977.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 310 at 29 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 ---------------------------------------------------------- 0 990 68 270 13 13.0 -0.0 | 155 21 -8.8 18.6 1 925 561 270 44 44.0 -0.0 | 230 29 22.2 18.6 2 850 1195 300 48 41.6 -24.0 | 285 20 19.7 -5.4 Wind Parameters Mean winds (0-6000m): 280.4 at 38.2 knts Storm direction: 310.4 at 28.7 knts Shear (0-3000m) pos: 18.4 neg: 0.0 tot: 18.4 10-3/s Storm rel Dir Shear (0-3000m): 130.9 deg Storm rel helicity (0-3000m) pos: 288.4 neg: 0.0 tot: 288.4 m^2/s^2 ave: 262.2 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 25.4 stream: 23.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.30 Bulk Shear: 16.67 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 ------------------------------------------------------------------------------- 500 270 29 200 20| 31.9 0.0 31.9|153.5 0.0 153.5 307.0 0.89| 32.1 28.6 1000 278 37 227 20| 18.4 0.0 18.4|266.8 0.0 266.8 266.8 0.90| 25.9 23.3 1500 NO DATA | 18.4 0.0 18.4| | 2000 NO DATA | 18.4 0.0 18.4| | 2500 NO DATA | 18.4 0.0 18.4| | 3000 NO DATA | 18.4 0.0 18.4| | 4000 NO DATA | 18.4 0.0 18.4| | 5000 NO DATA | 18.4 0.0 18.4| | 6000 NO DATA | 18.4 0.0 18.4| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251202.12.gif