UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 1 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 41 250 1 SFC 999 68 -12.1 -14.7 81 2.6 -12.6 250 1 261.1 261.3 260.6 264.4 1.22 2 925 636 -13.3 -16.2 79 2.9 -13.9 320 9 265.7 265.9 263.9 268.9 1.16 3 919 686 -13.1 -15.9 79 2.8 -13.7 329 9 266.4 266.6 264.4 269.7 1.20 4 883 989 -16.1 -18.7 80 2.6 -16.6 26 6 266.4 266.5 264.0 269.1 0.99 5 870 1101 -14.7 -17.2 81 2.5 -15.2 47 5 269.0 269.1 266.1 272.1 1.14 6 850 1277 -15.7 -18.1 82 2.4 -16.2 80 3 269.7 269.9 266.5 272.8 1.08 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 80.15 % Est. max temperature: -273.15 C = -459.67 F Sfc-Lift cond lev (LCL): 957.93 mb = 377.81 m = 1239.52 ft T: -12.75 C ThetaE index: 0.61 C Layer 883.0- 870.0 mb Conv cond level (CCL): None Cap Strength: 4.55 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.13 J/kg Max Up Vert Vel: 5.85 m/s Conv Inhibition (B-): 59.04 J/kg Cap Strength: 4.42 C Lift Cond Lev (LCL): 906.02 mb = 793.59 m = 2603.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 356 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 ---------------------------------------------------------- 0 999 68 250 1 0.9 0.3 | 188 5 0.7 4.5 1 925 636 320 9 5.8 -6.9 | 297 6 5.5 -2.8 2 850 1277 80 3 -3.0 -0.5 | 138 5 -3.2 3.6 Wind Parameters Mean winds (0-6000m): 326.2 at 5.5 knts Storm direction: 356.2 at 4.1 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): -50.2 deg Storm rel helicity (0-3000m) pos: 25.8 neg: 0.0 tot: 25.8 m^2/s^2 ave: 21.5 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 9.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 58.38 Bulk Shear: 0.29 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 ------------------------------------------------------------------------------- 500 314 5 251 3| 7.8 0.0 7.8| 11.9 0.0 11.9 23.8 0.99| 9.0 8.9 1000 329 6 288 3| 3.0 0.0 3.0| 22.6 0.0 22.6 22.6 0.95| 10.7 10.2 1500 NO DATA | 3.0 0.0 3.0| | 2000 NO DATA | 3.0 0.0 3.0| | 2500 NO DATA | 3.0 0.0 3.0| | 3000 NO DATA | 3.0 0.0 3.0| | 4000 NO DATA | 3.0 0.0 3.0| | 5000 NO DATA | 3.0 0.0 3.0| | 6000 NO DATA | 3.0 0.0 3.0| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251201.12.gif