UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 8 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 1012 68 -1.7 -5.4 76 3.7 -3.0 290 5 270.5 270.9 269.5 277.4 2.52 1 1008 93 -0.3 -4.4 74 4.1 -1.8 297 7 272.2 272.7 270.9 279.7 2.73 2 1000 144 -0.9 -5.5 71 4.6 -2.5 310 11 272.2 272.7 270.7 279.2 2.53 3 925 760 -5.9 -10.8 68 4.9 -7.3 340 23 273.3 273.6 270.1 278.3 1.81 4 850 1416 -11.3 -15.1 73 3.8 -12.2 320 25 274.3 274.5 270.1 278.3 1.39 5 767 2196 -17.3 -20.6 75 3.3 -17.9 325 30 276.0 276.2 270.4 278.8 0.97 6 700 2881 -17.7 -24.7 54 7.0 -18.9 330 35 282.9 283.0 274.1 285.1 0.74 7 671 3197 -18.3 -30.3 34 12.0 -20.1 285.7 285.7 275.2 287.1 0.46 8 616 3830 -22.5 -37.5 24 15.0 -24.1 287.9 287.9 276.0 288.7 0.25 9 559 4537 -27.1 -40.1 28 13.0 -28.3 290.6 290.6 277.3 291.3 0.21 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 55.22 % Est. max temperature: 1.93 C = 35.48 F Sfc-Lift cond lev (LCL): 954.89 mb = 508.74 m = 1669.08 ft T: -3.86 C ThetaE index: 1.42 C Layer 1000.0- 767.0 mb Conv cond level (CCL): 878.56 mb = 1159.57 m = 3804.33 ft Mean mixing ratio: 2.17 g/kg Conv temperature: 1.71 C = 35.07 F Cap Strength: 10.73 C Lifted Index @700 mb: 5.89 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.19 J/kg Max Up Vert Vel: 2.09 m/s Conv Inhibition (B-): 664.67 J/kg Cap Strength: 10.56 C Lift Cond Lev (LCL): 894.31 mb = 1021.81 m = 3352.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 357 at 19 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 1012 68 290 5 4.7 -1.7 | 192 18 3.7 17.1 1 1000 144 310 11 8.4 -7.1 | 212 14 7.5 11.8 2 925 760 340 23 7.9 -21.6 | 292 7 6.9 -2.8 3 850 1416 320 25 16.1 -19.2 | 271 15 15.1 -0.3 4 700 2881 330 35 17.5 -30.3 | 305 20 16.5 -11.5 Wind Parameters Mean winds (0-6000m): 327.1 at 25.2 knts Storm direction: 357.1 at 18.9 knts Shear (0-3000m) pos: 4.8 neg: 1.6 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 112.4 deg Storm rel helicity (0-3000m) pos: 101.5 neg: -10.4 tot: 91.1 m^2/s^2 ave: 32.5 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 4.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 17.51 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 ------------------------------------------------------------------------------- 500 321 14 224 11| 16.3 0.0 16.3| 46.8 0.0 46.8 93.7 0.84| 17.0 14.4 1000 331 18 249 8| 8.1 2.4 10.5| 57.0 -4.2 52.7 52.7 0.67| 13.1 8.8 1500 328 20 261 10| 5.4 2.7 8.1| 60.1 -10.4 49.7 33.1 0.52| 10.6 5.5 2000 326 22 268 11| 5.0 2.0 7.0| 75.0 -10.4 64.6 32.3 0.56| 8.9 5.0 2500 327 24 275 12| 4.8 1.6 6.4| 91.1 -10.4 80.7 32.3 0.60| 7.9 4.7 3000 NO DATA | 4.8 1.6 6.4| | 4000 NO DATA | 4.8 1.6 6.4| | 5000 NO DATA | 4.8 1.6 6.4| | 6000 NO DATA | 4.8 1.6 6.4| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251008.12.gif