UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 10 OCT 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 1013 68 -3.5 -9.5 63 6.0 -5.3 290 7 268.7 269.0 267.1 273.7 1.83 1 1000 148 -3.7 -9.7 63 6.0 -5.5 295 13 269.5 269.7 267.7 274.5 1.83 2 925 758 -8.3 -14.3 62 6.0 -9.8 310 29 270.8 271.0 267.8 274.6 1.36 3 850 1407 -13.7 -19.7 60 6.0 -14.9 325 19 271.8 271.9 267.7 274.5 0.94 4 780 2054 -18.7 -21.8 77 3.1 -19.3 327 23 273.2 273.3 268.4 275.7 0.86 5 700 2857 -21.7 -27.7 58 6.0 -22.5 330 27 278.5 278.5 271.2 280.2 0.56 6 614 3816 -25.3 -33.3 47 8.0 -26.2 285.0 285.0 274.6 286.1 0.38 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 61.83 % Est. max temperature: -0.52 C = 31.07 F Sfc-Lift cond lev (LCL): 921.37 mb = 788.21 m = 2585.95 ft T: -8.55 C ThetaE index: 0.15 C Layer 850.0- 780.0 mb Conv cond level (CCL): 853.81 mb = 1372.69 m = 4503.51 ft Mean mixing ratio: 1.59 g/kg Conv temperature: -0.40 C = 31.28 F Cap Strength: 9.90 C Lifted Index @700 mb: 5.17 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.05 J/kg Max Up Vert Vel: 2.47 m/s Conv Inhibition (B-): 437.43 J/kg Cap Strength: 9.79 C Lift Cond Lev (LCL): 875.67 mb = 1178.67 m = 3866.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 at 17 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 1013 68 290 7 6.6 -2.4 | 195 15 3.7 14.1 1 1000 148 295 13 11.8 -5.5 | 219 14 8.9 11.0 2 925 758 310 29 22.2 -18.6 | 276 19 19.3 -2.1 3 850 1407 325 19 10.9 -15.6 | 263 8 8.0 0.9 4 700 2857 330 27 13.5 -23.4 | 303 13 10.6 -6.9 Wind Parameters Mean winds (0-6000m): 320.0 at 22.4 knts Storm direction: 350.0 at 16.8 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 108.4 deg Storm rel helicity (0-3000m) pos: 105.7 neg: -6.2 tot: 99.5 m^2/s^2 ave: 36.9 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 9.62 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 ------------------------------------------------------------------------------- 500 301 17 236 14| 17.9 0.0 17.9| 66.8 0.0 66.8 133.5 0.98| 18.2 17.7 1000 308 22 257 15| 9.4 0.0 9.4| 89.9 -1.2 88.6 88.6 0.76| 14.7 11.2 1500 312 21 260 13| 5.1 0.0 5.1| 91.0 -6.2 84.8 56.6 0.59| 12.0 7.0 2000 316 21 264 12| 4.5 0.0 4.5| 96.9 -6.2 90.7 45.4 0.61| 9.7 5.9 2500 319 22 269 12| 4.2 0.0 4.2|103.1 -6.2 96.9 38.8 0.62| 8.4 5.2 3000 NO DATA | 4.2 0.0 4.2| | 4000 NO DATA | 4.2 0.0 4.2| | 5000 NO DATA | 4.2 0.0 4.2| | 6000 NO DATA | 4.2 0.0 4.2| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251010.12.gif