UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 28 NOV 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1024 72 -0.9 -6.9 64 6.0 -2.9 130 1 270.4 270.8 269.0 276.5 2.22 1 1000 261 -2.3 -10.3 54 8.0 -4.7 180 5 270.9 271.1 268.4 275.7 1.74 2 925 874 -8.1 -12.6 70 4.5 -9.3 220 5 271.0 271.3 268.2 275.4 1.57 3 877 1285 -11.9 -14.0 84 2.1 -12.4 236 6 271.2 271.5 268.2 275.4 1.47 4 874 1311 -11.5 -13.6 84 2.1 -12.1 237 6 271.9 272.2 268.8 276.2 1.53 5 861 1427 -7.3 -16.3 49 9.0 -9.6 241 7 277.5 277.7 271.8 281.1 1.24 6 858 1454 -7.3 -21.3 32 14.0 -10.4 242 7 277.8 277.9 271.2 280.2 0.81 7 850 1527 -7.5 -25.5 22 18.0 -11.1 245 7 278.3 278.4 271.1 280.0 0.56 8 700 3024 -11.9 -31.9 17 20.0 -15.3 305 21 289.3 289.4 276.9 290.5 0.38 9 666 3404 -13.5 -31.5 20 18.0 -16.5 291.7 291.7 278.2 293.0 0.41 10 659 3484 -14.1 -35.1 15 21.0 -17.3 291.9 291.9 278.0 292.8 0.29 11 623 3908 -16.7 -22.7 60 6.0 -18.0 293.6 293.8 279.9 296.7 0.99 12 508 5415 -25.5 -28.0 80 2.5 -25.9 300.6 300.7 282.6 303.0 0.75 TRP WND Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 47.48 % Est. max temperature: 0.63 C = 33.13 F Sfc-Lift cond lev (LCL): 931.99 mb = 814.77 m = 2673.09 ft T: -7.54 C ThetaE index: 1.11 C Layer 1000.0- 874.0 mb Conv cond level (CCL): 631.58 mb = 3804.99 m = 12483.40 ft Mean mixing ratio: 1.73 g/kg Conv temperature: 22.04 C = 71.67 F Cap Strength: 20.83 C Lifted Index @700 mb: 14.10 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.63 J/kg Max Up Vert Vel: 1.81 m/s Conv Inhibition (B-): 2217.24 J/kg Cap Strength: 20.80 C Lift Cond Lev (LCL): 879.69 mb = 1261.19 m = 4137.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 304 at 7 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 1024 72 130 1 -0.8 0.6 | 125 8 -6.8 4.7 1 1000 261 180 5 0.0 5.0 | 146 11 -6.0 9.0 2 925 874 220 5 3.2 3.8 | 160 8 -2.8 7.9 3 850 1527 245 7 6.3 3.0 | 182 7 0.3 7.0 4 700 3024 305 21 17.2 -12.0 | 306 14 11.2 -8.0 Wind Parameters Mean winds (0-6000m): 273.8 at 9.7 knts Storm direction: 303.8 at 7.3 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): -178.8 deg Storm rel helicity (0-3000m) pos: 65.7 neg: 0.0 tot: 65.7 m^2/s^2 ave: 22.7 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 14.47 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 ------------------------------------------------------------------------------- 500 186 4 146 10| 4.9 0.0 4.9| 13.5 0.0 13.5 26.9 0.79| 6.7 5.3 1000 202 5 153 9| 3.0 0.0 3.0| 17.8 0.0 17.8 17.8 0.77| 4.7 3.6 1500 218 5 161 9| 2.7 0.0 2.7| 23.0 0.0 23.0 15.3 0.80| 4.1 3.3 2000 234 6 173 8| 3.3 0.0 3.3| 33.9 0.0 33.9 17.0 0.87| 4.6 4.0 2500 254 8 195 6| 3.6 0.0 3.6| 48.7 0.0 48.7 19.5 0.88| 5.1 4.5 3000 NO DATA | 3.6 0.0 3.6| | 4000 NO DATA | 3.6 0.0 3.6| | 5000 NO DATA | 3.6 0.0 3.6| | 6000 NO DATA | 3.6 0.0 3.6| | Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251128.12.gif