UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 18 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 1015 68 -2.1 -6.1 74 4.0 -3.4 270 1 269.9 270.3 268.9 276.4 2.38 1 1000 167 -2.1 -5.7 76 3.6 -3.3 360 3 271.0 271.5 269.8 277.8 2.49 2 965 450 -2.9 -7.3 72 4.4 -4.4 14 4 273.0 273.4 270.7 279.3 2.29 3 925 783 -5.7 -10.7 68 5.0 -7.2 30 5 273.5 273.8 270.3 278.6 1.82 4 914 877 -7.1 -11.5 71 4.4 -8.4 46 5 273.0 273.3 269.8 277.8 1.73 5 850 1440 -10.1 -14.4 71 4.3 -11.2 140 5 275.6 275.8 271.0 279.8 1.47 6 700 2909 -19.5 -22.3 78 2.8 -20.0 165 7 280.9 281.0 273.2 283.6 0.91 7 685 3070 -20.7 -23.6 78 2.9 -21.2 281.3 281.4 273.3 283.8 0.83 8 622 3779 -23.5 -26.1 79 2.6 -23.9 286.0 286.1 275.7 288.2 0.73 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 74.31 % Est. max temperature: 2.97 C = 37.34 F Sfc-Lift cond lev (LCL): 953.16 mb = 546.77 m = 1793.85 ft T: -3.72 C ThetaE index: 1.50 C Layer 925.0- 850.0 mb Conv cond level (CCL): 869.50 mb = 1263.97 m = 4146.85 ft Mean mixing ratio: 2.20 g/kg Conv temperature: 2.78 C = 37.01 F Cap Strength: 7.71 C Lifted Index @700 mb: 4.30 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.16 J/kg Max Up Vert Vel: 4.72 m/s Conv Inhibition (B-): 377.28 J/kg Cap Strength: 7.25 C Lift Cond Lev (LCL): 900.94 mb = 988.31 m = 3242.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 160 at 4 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 1015 68 270 1 1.0 -0.0 | 328 4 2.3 -3.7 1 1000 167 360 3 -0.0 -3.0 | 349 7 1.3 -6.7 2 925 783 30 5 -2.5 -4.3 | 9 8 -1.2 -8.0 3 850 1440 140 5 -3.2 3.8 | 95 2 -1.9 0.2 4 700 2909 165 7 -1.8 6.8 | 171 3 -0.5 3.1 Wind Parameters Mean winds (0-6000m): 130.5 at 5.2 knts Storm direction: 160.5 at 3.9 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): -157.3 deg Storm rel helicity (0-3000m) pos: 20.1 neg: 0.0 tot: 20.1 m^2/s^2 ave: 7.2 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.51 Bulk Shear: 7.39 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 8 3 353 7| 4.9 0.0 4.9| 5.8 0.0 5.8 11.5 0.72| 5.1 3.7 1000 29 4 5 7| 3.1 0.0 3.1| 14.5 0.0 14.5 14.5 0.80| 5.3 4.2 1500 55 4 20 7| 2.0 0.0 2.0| 18.5 0.0 18.5 12.3 0.76| 5.5 4.1 2000 92 5 44 5| 1.6 0.0 1.6| 19.0 0.0 19.0 9.5 0.77| 4.4 3.4 2500 118 5 67 3| 1.4 0.0 1.4| 19.7 0.0 19.7 7.9 0.78| 3.7 2.9 3000 NO DATA | 1.4 0.0 1.4| | 4000 NO DATA | 1.4 0.0 1.4| | 5000 NO DATA | 1.4 0.0 1.4| | 6000 NO DATA | 1.4 0.0 1.4| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251018.12.gif