UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 18 JAN 26 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 ------------------------------------------------------------------------------- SFC 1018 68 -13.3 -16.8 75 3.5 -14.0 290 7 258.5 258.7 258.1 261.2 1.01 1 1000 183 -13.9 -17.8 72 3.9 -14.6 280 17 259.2 259.4 258.5 261.8 0.94 2 965 453 -13.9 -17.3 75 3.4 -14.6 305 15 261.9 262.1 260.7 264.7 1.02 3 946 606 -9.1 -11.6 82 2.5 -9.8 319 14 268.3 268.5 266.6 272.8 1.66 4 925 779 -10.3 -12.3 85 2.0 -10.8 335 13 268.8 269.0 266.8 273.2 1.60 5 850 1425 -15.3 -17.8 81 2.5 -15.8 350 13 270.1 270.3 266.8 273.3 1.11 6 740 2460 -21.3 -24.6 75 3.3 -21.8 40 10 274.5 274.6 269.0 276.6 0.70 7 700 2870 -22.1 -28.1 58 6.0 -22.9 60 9 278.0 278.1 270.9 279.6 0.54 8 676 3126 -22.3 -32.3 40 10.0 -23.5 280.6 280.6 272.2 281.7 0.38 9 657 3335 -23.5 -35.5 32 12.0 -24.8 281.5 281.6 272.5 282.4 0.28 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 72.27 % Est. max temperature: -1.98 C = 28.44 F Sfc-Lift cond lev (LCL): 961.81 mb = 478.81 m = 1570.89 ft T: -13.10 C ThetaE index: 0.00 C Layer 1018.0- -0.0 mb Conv cond level (CCL): 817.13 mb = 1719.66 m = 5641.86 ft Mean mixing ratio: 1.23 g/kg Conv temperature: -0.39 C = 31.30 F Cap Strength: 13.63 C Lifted Index @700 mb: 10.99 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.68 J/kg Max Up Vert Vel: 9.97 m/s Conv Inhibition (B-): 781.27 J/kg Cap Strength: 13.43 C Lift Cond Lev (LCL): 924.05 mb = 786.84 m = 2581.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 15 at 9 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 1018 68 290 7 6.6 -2.4 | 234 11 9.0 6.5 1 1000 183 280 17 16.7 -3.0 | 253 20 19.2 6.0 2 925 779 335 13 5.5 -11.8 | 290 8 8.0 -2.9 3 850 1425 350 13 2.3 -12.8 | 309 6 4.7 -3.9 4 700 2870 60 9 -7.8 -4.5 | 130 7 -5.3 4.4 Wind Parameters Mean winds (0-6000m): 345.5 at 12.3 knts Storm direction: 15.5 at 9.2 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): -104.6 deg Storm rel helicity (0-3000m) pos: 69.2 neg: 0.0 tot: 69.2 m^2/s^2 ave: 24.7 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 5.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.57 Bulk Shear: 19.36 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 ------------------------------------------------------------------------------- 500 293 15 259 16| 8.9 0.0 8.9| 47.1 0.0 47.1 94.3 0.62| 19.2 11.9 1000 310 14 271 13| 5.3 0.0 5.3| 56.4 0.0 56.4 56.4 0.61| 12.9 7.8 1500 323 14 281 11| 4.0 0.0 4.0| 60.2 0.0 60.2 40.1 0.61| 9.8 6.0 2000 333 13 289 9| 3.4 0.0 3.4| 63.5 0.0 63.5 31.8 0.64| 8.7 5.6 2500 342 13 296 7| 2.9 0.0 2.9| 66.6 0.0 66.6 26.7 0.66| 7.9 5.2 3000 NO DATA | 2.9 0.0 2.9| | 4000 NO DATA | 2.9 0.0 2.9| | 5000 NO DATA | 2.9 0.0 2.9| | 6000 NO DATA | 2.9 0.0 2.9| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20260118.12.gif