UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 6 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 ------------------------------------------------------------------------------- SFC 1001 68 -20.7 -24.0 75 3.3 -21.1 20 1 252.4 252.5 252.0 253.9 0.55 1 1000 52 -20.3 -23.7 74 3.4 -20.7 25 1 252.9 252.9 252.4 254.4 0.56 2 982 188 -16.1 -19.6 74 3.5 -16.7 356 5 258.4 258.5 257.6 260.6 0.82 3 979 211 -10.7 -14.6 73 3.9 -11.6 351 6 264.0 264.2 262.8 267.5 1.26 4 975 242 -10.5 -14.7 71 4.2 -11.5 344 7 264.6 264.8 263.2 268.0 1.25 5 925 647 -11.3 -18.3 56 7.0 -12.8 260 19 267.8 267.9 265.0 270.5 0.98 6 850 1292 -13.7 -21.7 51 8.0 -15.2 280 9 271.8 271.9 267.4 274.1 0.79 7 824 1527 -15.3 -23.3 50 8.0 -16.7 272.5 272.6 267.7 274.6 0.71 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: 58.56 % Est. max temperature: -1.33 C = 29.60 F Sfc-Lift cond lev (LCL): 947.85 mb = 459.48 m = 1507.46 ft T: -10.93 C ThetaE index: 0.00 C Layer 1001.0- 0.0 mb Conv cond level (CCL): 1000.00 mb = 52.00 m = 170.60 ft Mean mixing ratio: 1.00 g/kg Conv temperature: -17.06 C = 1.29 F Cap Strength: 7.00 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.69 J/kg Max Up Vert Vel: 9.97 m/s Conv Inhibition (B-): 193.71 J/kg Cap Strength: 6.89 C Lift Cond Lev (LCL): 872.07 mb = 1096.48 m = 3597.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 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 1001 68 20 1 -0.3 -0.9 | 109 9 -8.6 3.0 1 1000 52 25 1 -0.4 -0.9 | 109 9 -8.7 3.0 2 925 647 260 19 18.7 3.3 | 235 13 10.4 7.2 3 850 1292 280 9 8.9 -1.6 | 194 2 0.6 2.4 Wind Parameters Mean winds (0-6000m): 265.5 at 12.2 knts Storm direction: 295.5 at 9.2 knts Shear (0-3000m) pos: 0.0 neg: 6.7 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 87.7 deg Storm rel helicity (0-3000m) pos: 0.6 neg: -42.2 tot: -41.6 m^2/s^2 ave: -34.7 10^-3 m/s^2 rel: -0.69 Storm rel vorticity (0-3000m) horiz: 17.0 stream: -11.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 35.22 Bulk Shear: 1.41 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 ------------------------------------------------------------------------------- 500 263 9 187 5| 0.0 17.5 17.5| 0.0 -29.8 -29.8 -59.6 -0.89| 24.5-21.8 1000 265 13 219 7| 0.0 6.7 6.7| 0.6 -40.4 -39.8 -39.8 -0.70| 18.6-13.0 1500 NO DATA | 0.0 6.7 6.7| | 2000 NO DATA | 0.0 6.7 6.7| | 2500 NO DATA | 0.0 6.7 6.7| | 3000 NO DATA | 0.0 6.7 6.7| | 4000 NO DATA | 0.0 6.7 6.7| | 5000 NO DATA | 0.0 6.7 6.7| | 6000 NO DATA | 0.0 6.7 6.7| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251206.12.gif