UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 21 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 1017 68 -4.7 -6.9 85 2.2 -5.4 360 3 267.2 267.5 266.8 273.2 2.24 1 1000 182 -2.7 -5.4 82 2.7 -3.6 315 15 270.5 270.9 269.5 277.4 2.55 2 970 423 -3.5 -8.5 68 5.0 -5.1 317 17 272.0 272.4 269.7 277.7 2.07 3 953 562 -4.9 -10.9 63 6.0 -6.7 318 19 272.0 272.3 269.2 276.8 1.74 4 925 796 -7.1 -13.1 62 6.0 -8.7 320 21 272.0 272.3 268.8 276.3 1.50 5 850 1449 -12.3 -18.3 61 6.0 -13.6 335 19 273.3 273.4 268.8 276.3 1.06 6 700 2900 -23.3 -29.3 58 6.0 -24.1 325 15 276.7 276.8 270.0 278.1 0.48 7 683 3079 -25.3 -30.3 63 5.0 -25.9 276.4 276.5 269.8 277.8 0.45 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: 62.59 % Est. max temperature: 1.16 C = 34.08 F Sfc-Lift cond lev (LCL): 982.13 mb = 324.75 m = 1065.44 ft T: -3.17 C ThetaE index: 1.46 C Layer 953.0- 850.0 mb Conv cond level (CCL): 878.12 mb = 1197.61 m = 3929.12 ft Mean mixing ratio: 1.99 g/kg Conv temperature: 0.97 C = 33.75 F Cap Strength: 1.82 C Lifted Index @700 mb: 1.82 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.55 J/kg Max Up Vert Vel: 4.59 m/s Conv Inhibition (B-): 118.28 J/kg Cap Strength: 1.83 C Lift Cond Lev (LCL): 899.07 mb = 1015.57 m = 3331.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 357 at 13 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 1017 68 360 3 -0.0 -3.0 | 176 10 -0.7 10.1 1 1000 182 315 15 10.6 -10.6 | 256 10 9.9 2.5 2 925 796 320 21 13.5 -16.1 | 283 13 12.8 -3.0 3 850 1449 335 19 8.0 -17.2 | 299 8 7.3 -4.1 4 700 2900 325 15 8.6 -12.3 | 264 8 7.9 0.8 Wind Parameters Mean winds (0-6000m): 326.8 at 17.5 knts Storm direction: 356.8 at 13.1 knts Shear (0-3000m) pos: 1.1 neg: 3.1 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 88.1 deg Storm rel helicity (0-3000m) pos: 47.8 neg: -10.1 tot: 37.7 m^2/s^2 ave: 13.5 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.72 Bulk Shear: 1.84 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 ------------------------------------------------------------------------------- 500 318 15 257 10| 0.0 17.1 17.1| 33.1 0.0 33.1 66.3 0.91| 18.4 16.8 1000 320 18 271 11| 1.6 8.6 10.2| 43.6 0.0 43.6 43.6 0.87| 11.5 10.0 1500 324 18 279 10| 1.8 5.7 7.5| 47.8 -0.8 47.0 31.4 0.80| 8.9 7.1 2000 326 18 281 10| 1.3 4.1 5.4| 47.8 -4.5 43.4 21.7 0.69| 7.1 4.9 2500 327 18 281 9| 1.1 3.1 4.2| 47.8 -8.0 39.8 15.9 0.59| 6.0 3.6 3000 NO DATA | 1.1 3.1 4.2| | 4000 NO DATA | 1.1 3.1 4.2| | 5000 NO DATA | 1.1 3.1 4.2| | 6000 NO DATA | 1.1 3.1 4.2| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251021.12.gif