UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 5 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 -80 SFC 984 68 -13.9 -21.9 51 8.0 -15.2 315 13 260.4 260.6 258.9 262.3 0.67 2 946 351 -13.5 -21.5 51 8.0 -14.9 286 29 263.8 263.9 261.6 265.8 0.72 3 925 512 -15.1 -23.1 50 8.0 -16.4 270 38 263.9 264.0 261.5 265.7 0.64 4 850 1146 -18.7 -24.7 59 6.0 -19.6 295 46 266.6 266.7 263.4 268.3 0.61 5 807 1531 -21.5 -26.5 64 5.0 -22.2 295 37 267.6 267.7 264.0 269.1 0.54 6 783 1755 -19.9 -24.7 66 4.8 -20.6 295 32 271.6 271.7 267.0 273.5 0.66 7 762 1957 -18.5 -25.5 54 7.0 -19.6 295 27 275.2 275.3 269.4 277.1 0.63 8 724 2337 -21.3 -34.3 30 13.0 -22.7 295 19 276.2 276.3 269.4 277.1 0.29 9 700 2585 -22.7 -36.7 27 14.0 -24.1 295 13 277.3 277.4 269.9 278.1 0.24 10 585 3881 -30.5 -48.5 16 18.0 -31.5 282.9 282.9 272.9 283.1 0.08 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: 41.25 % Est. max temperature: -7.45 C = 18.59 F Sfc-Lift cond lev (LCL): 863.91 mb = 1024.32 m = 3360.58 ft T: -18.01 C ThetaE index: 0.15 C Layer 925.0- 850.0 mb Conv cond level (CCL): 636.55 mb = 3271.21 m = 10732.18 ft Mean mixing ratio: 0.67 g/kg Conv temperature: 5.85 C = 42.53 F Cap Strength: 15.24 C Lifted Index @700 mb: 11.56 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.91 J/kg Max Up Vert Vel: 5.46 m/s Conv Inhibition (B-): 1112.50 J/kg Cap Strength: 15.04 C Lift Cond Lev (LCL): 821.74 mb = 1396.84 m = 4582.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 319 at 24 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 ---------------------------------------------------------- 0 984 68 315 13 9.2 -9.2 | 145 11 -6.4 9.0 1 925 512 270 38 38.0 -0.0 | 231 29 22.4 18.2 2 850 1146 295 46 41.7 -19.4 | 273 26 26.1 -1.3 3 700 2585 295 13 11.8 -5.5 | 163 13 -3.8 12.7 Wind Parameters Mean winds (0-6000m): 289.4 at 31.9 knts Storm direction: 319.4 at 23.9 knts Shear (0-3000m) pos: 3.1 neg: 4.0 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 18.8 deg Storm rel helicity (0-3000m) pos: 171.5 neg: -83.9 tot: 87.6 m^2/s^2 ave: 35.0 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 17.0 stream: 2.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.21 Bulk Shear: 6.74 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 ------------------------------------------------------------------------------- 500 279 27 218 18| 0.0 31.4 31.4| 43.5 0.0 43.5 87.0 0.49| 33.3 16.4 1000 282 34 238 21| 8.0 15.7 23.7|154.9 0.0 154.9 154.9 0.66| 24.7 16.2 1500 287 37 249 21| 5.1 10.5 15.6|171.5 -24.0 147.5 98.4 0.50| 20.5 10.2 2000 288 35 249 19| 3.9 5.9 9.7|171.5 -53.9 117.6 58.8 0.30| 18.3 5.4 2500 289 32 243 16| 3.1 4.0 7.1|171.5 -83.9 87.6 35.0 0.12| 17.0 2.1 3000 NO DATA | 3.1 4.0 7.1| | 4000 NO DATA | 3.1 4.0 7.1| | 5000 NO DATA | 3.1 4.0 7.1| | 6000 NO DATA | 3.1 4.0 7.1| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251205.12.gif