UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 2 DEC 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 1019 61 1.2 -0.6 88 1.8 0.5 180 1 272.9 273.5 272.6 282.6 3.59 1 1000 212 0.0 -1.9 87 1.9 -0.7 180 1 273.1 273.7 272.4 282.2 3.32 2 936 748 -3.7 -5.6 87 1.9 -4.4 235 18 274.6 275.0 272.3 282.0 2.69 3 925 843 -1.9 -3.3 90 1.4 -2.4 245 21 277.4 277.9 274.8 286.3 3.23 4 920 886 -1.7 -2.9 91 1.2 -2.1 245 21 278.0 278.6 275.2 287.3 3.35 5 915 930 -1.9 -3.0 92 1.1 -2.3 244 21 278.2 278.8 275.3 287.5 3.34 6 879 1248 -3.9 -5.6 88 1.7 -4.5 242 20 279.4 279.9 275.3 287.4 2.86 7 868 1348 -2.5 -4.4 87 1.9 -3.2 241 19 281.8 282.4 277.0 290.8 3.17 8 850 1514 -2.7 -5.0 84 2.3 -3.6 240 19 283.3 283.9 277.7 292.1 3.10 9 795 2043 -3.7 -11.7 54 8.0 -6.3 214 13 287.7 288.1 278.4 293.5 1.96 10 743 2574 -6.7 -16.7 45 10.0 -9.5 188 8 290.1 290.3 278.7 294.3 1.39 11 700 3037 -9.3 -19.3 44 10.0 -11.9 165 3 292.2 292.4 279.5 295.9 1.18 12 646 3654 -12.5 -28.5 25 16.0 -15.6 295.3 295.4 280.1 297.2 0.56 13 514 5354 -25.9 -39.9 26 14.0 -27.3 299.1 299.1 281.3 299.9 0.23 TRP WND Sounding variables and indices Freezing level: 1000.00 mb = 212.00 m = 695.53 ft Wetbulb zero: 1011.46 mb = 120.66 m = 395.85 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 51.27 % Est. max temperature: 9.98 C = 49.96 F Sfc-Lift cond lev (LCL): 990.76 mb = 287.17 m = 942.14 ft T: -0.52 C ThetaE index: 0.57 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 741.32 mb = 2591.53 m = 8502.30 ft Mean mixing ratio: 3.10 g/kg Conv temperature: 18.57 C = 65.43 F Cap Strength: 14.16 C Lifted Index @700 mb: 11.36 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.35 J/kg Max Up Vert Vel: 5.17 m/s Conv Inhibition (B-): 1759.19 J/kg Cap Strength: 14.09 C Lift Cond Lev (LCL): 941.16 mb = 703.11 m = 2306.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 9 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 1019 61 180 1 0.0 1.0 | 94 9 -9.4 0.6 1 1000 212 180 1 0.0 1.0 | 94 9 -9.4 0.6 2 925 843 245 21 19.0 8.9 | 229 13 9.6 8.5 3 850 1514 240 19 16.5 9.5 | 218 12 7.1 9.1 4 700 3037 165 3 -0.8 2.9 | 104 10 -10.2 2.5 Wind Parameters Mean winds (0-6000m): 237.7 at 12.5 knts Storm direction: 267.7 at 9.4 knts Shear (0-3000m) pos: 4.1 neg: 3.5 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 10.1 deg Storm rel helicity (0-3000m) pos: 62.6 neg: -68.7 tot: -6.1 m^2/s^2 ave: -2.1 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.41 Bulk Shear: 9.50 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 ------------------------------------------------------------------------------- 500 211 5 119 8| 11.6 0.0 11.6| 29.3 0.0 29.3 58.6 1.00| 12.3 12.3 1000 243 12 190 5| 10.2 0.0 10.2| 62.6 -2.3 60.3 60.3 0.92| 12.9 11.9 1500 242 14 207 7| 6.8 0.9 7.7| 62.6 -9.9 52.7 35.1 0.74| 9.5 7.1 2000 238 15 203 8| 5.1 2.9 8.0| 62.6 -34.9 27.7 13.8 0.33| 9.3 3.1 2500 236 14 196 8| 4.1 3.5 7.6| 62.6 -55.3 7.3 2.9 0.12| 8.9 1.0 3000 NO DATA | 4.1 3.5 7.6| | 4000 NO DATA | 4.1 3.5 7.6| | 5000 NO DATA | 4.1 3.5 7.6| | 6000 NO DATA | 4.1 3.5 7.6| | Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251202.12.gif