UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for UHNN... Searching the city database file for: UHNN ... Date:1200Z 11 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 ------------------------------------------------------------------------------- SFC 1004 68 -21.1 -29.1 49 8.0 -21.9 290 7 251.8 251.8 251.0 252.7 0.34 1 1000 75 -21.1 -29.1 49 8.0 -21.9 290 9 252.1 252.1 251.3 253.0 0.34 2 983 201 -20.7 -28.7 49 8.0 -21.5 290 13 253.7 253.7 252.7 254.7 0.36 3 925 648 -23.3 -30.3 53 7.0 -23.9 290 29 255.5 255.5 254.2 256.4 0.33 4 850 1261 -27.7 -34.7 51 7.0 -28.2 310 31 257.1 257.2 255.3 257.8 0.24 5 839 1355 -28.3 -35.3 51 7.0 -28.8 257.5 257.5 255.5 258.1 0.23 6 789 1797 -26.5 -33.5 52 7.0 -27.1 263.9 264.0 260.8 264.8 0.29 7 757 2094 -28.9 -35.9 51 7.0 -29.4 264.5 264.5 261.2 265.2 0.24 8 720 2453 -29.3 -36.3 51 7.0 -29.8 267.9 267.9 263.6 268.6 0.24 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.03 inches Sfc-500 mean rel hum: 51.10 % Est. max temperature: -15.82 C = 3.53 F Sfc-Lift cond lev (LCL): 879.12 mb = 1016.77 m = 3335.83 ft T: -25.95 C ThetaE index: 0.00 C Layer 1004.0- -0.0 mb Conv cond level (CCL): None Cap Strength: 11.75 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.45 J/kg Max Up Vert Vel: 4.11 m/s Conv Inhibition (B-): 404.30 J/kg Cap Strength: 11.65 C Lift Cond Lev (LCL): 841.16 mb = 1336.04 m = 4383.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 326 at 18 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 1004 68 290 7 6.6 -2.4 | 165 13 -3.5 12.8 1 1000 75 290 9 8.5 -3.1 | 172 12 -1.6 12.1 2 925 648 290 29 27.3 -9.9 | 253 18 17.2 5.3 3 850 1261 310 31 23.7 -19.9 | 289 14 13.7 -4.7 Wind Parameters Mean winds (0-6000m): 296.4 at 24.3 knts Storm direction: 326.4 at 18.2 knts Shear (0-3000m) pos: 4.1 neg: 9.9 tot: 14.0 10-3/s Storm rel Dir Shear (0-3000m): 124.4 deg Storm rel helicity (0-3000m) pos: 98.9 neg: 0.0 tot: 98.9 m^2/s^2 ave: 89.9 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 13.2 stream: 11.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.10 Bulk Shear: 7.67 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 ------------------------------------------------------------------------------- 500 290 17 212 11| 0.0 19.8 19.8| 55.1 0.0 55.1 110.1 0.90| 19.9 17.9 1000 294 23 242 13| 4.1 9.9 14.0| 92.1 0.0 92.1 92.1 0.89| 15.0 13.3 1500 NO DATA | 4.1 9.9 14.0| | 2000 NO DATA | 4.1 9.9 14.0| | 2500 NO DATA | 4.1 9.9 14.0| | 3000 NO DATA | 4.1 9.9 14.0| | 4000 NO DATA | 4.1 9.9 14.0| | 5000 NO DATA | 4.1 9.9 14.0| | 6000 NO DATA | 4.1 9.9 14.0| | Wrote GIF file: /home/apache/climate/data/raob//UHNN/skewt/UHNN.skewt.20251211.12.gif