UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 23 APR 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 1006 72 10.6 4.6 66 6.0 7.6 20 5 283.3 284.2 280.4 298.0 5.28 1 1000 122 10.0 4.0 66 6.0 7.0 20 9 283.1 284.0 280.1 297.4 5.09 2 978 306 8.2 2.2 66 6.0 5.4 23 11 283.1 283.9 279.6 296.0 4.58 3 967 400 8.6 3.6 71 5.0 6.1 24 12 284.5 285.4 280.8 298.8 5.12 4 957 486 11.4 5.4 67 6.0 8.2 26 12 288.1 289.2 283.3 304.8 5.88 5 925 770 10.2 2.2 58 8.0 6.2 30 15 289.7 290.6 282.8 303.7 4.85 6 923 788 9.4 1.4 57 8.0 5.5 28 16 289.1 289.9 282.3 302.3 4.58 7 861 1364 9.6 -2.4 43 12.0 4.0 314 41 295.1 295.8 283.8 306.2 3.72 8 858 1393 8.4 -4.6 39 13.0 2.7 310 43 294.2 294.7 282.8 303.6 3.16 9 854 1432 5.8 -6.2 42 12.0 0.8 305 44 291.8 292.3 281.4 300.2 2.81 10 850 1470 5.6 -6.4 42 12.0 0.7 300 46 292.0 292.5 281.4 300.3 2.78 11 700 3036 -2.3 -10.3 54 8.0 -5.3 290 83 299.9 300.4 284.4 307.6 2.49 12 678 3289 -3.5 -11.5 54 8.0 -6.4 301.3 301.8 284.8 308.6 2.34 13 662 3476 -6.1 -14.1 53 8.0 -8.8 300.5 300.8 284.0 306.5 1.94 14 638 3764 -7.7 -22.7 29 15.0 -11.6 301.9 302.0 283.4 305.0 0.97 TRP WND Sounding variables and indices Freezing level: 743.67 mb = 2580.08 m = 8464.71 ft Wetbulb zero: 833.33 mb = 1629.78 m = 5346.98 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 51.43 % Est. max temperature: 20.35 C = 68.62 F Sfc-Lift cond lev (LCL): 918.38 mb = 829.58 m = 2721.68 ft T: 9.41 C ThetaE index: 5.99 C Layer 858.0- 850.0 mb Conv cond level (CCL): 729.88 mb = 2698.82 m = 8854.30 ft Mean mixing ratio: 5.03 g/kg Conv temperature: 25.60 C = 78.08 F Cap Strength: 7.94 C Lifted Index @700 mb: 6.59 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.87 J/kg Max Up Vert Vel: 8.93 m/s Conv Inhibition (B-): 611.48 J/kg Cap Strength: 7.88 C Lift Cond Lev (LCL): 862.46 mb = 1350.33 m = 4430.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 331 at 33 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 1006 72 20 5 -1.7 -4.7 | 144 30 -17.9 24.3 1 1000 122 20 9 -3.1 -8.5 | 137 28 -19.3 20.6 2 925 770 30 15 -7.5 -13.0 | 124 29 -23.7 16.0 3 850 1470 300 46 39.8 -23.0 | 256 24 23.6 6.0 4 700 3036 290 83 78.0 -28.4 | 269 62 61.8 0.6 Wind Parameters Mean winds (0-6000m): 300.8 at 44.3 knts Storm direction: 330.8 at 33.3 knts Shear (0-3000m) pos: 1.7 neg: 15.3 tot: 16.9 10-3/s Storm rel Dir Shear (0-3000m): 125.8 deg Storm rel helicity (0-3000m) pos: 72.7 neg: -166.4 tot: -93.7 m^2/s^2 ave: -32.3 10^-3 m/s^2 rel: -0.32 Storm rel vorticity (0-3000m) horiz: 19.2 stream: -6.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.15 Bulk Shear: 259.98 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 24 11 133 28| 8.5 0.0 8.5| 0.0 -59.1 -59.1 -118.2 -0.93| 8.6 -8.1 1000 17 15 126 25| 4.2 9.9 14.2| 0.0-132.0-132.0 -132.0 -0.67| 15.6-10.4 1500 332 23 148 10| 2.8 17.0 19.8| 8.1-166.4-158.2 -105.5 -0.57| 25.2-14.3 2000 314 31 216 10| 2.1 15.9 18.0| 43.5-166.4-122.9 -61.4 -0.44| 22.0 -9.6 2500 306 38 245 16| 1.7 15.3 16.9| 66.5-166.4 -99.9 -40.0 -0.36| 20.2 -7.3 3000 NO DATA | 1.7 15.3 16.9| | 4000 NO DATA | 1.7 15.3 16.9| | 5000 NO DATA | 1.7 15.3 16.9| | 6000 NO DATA | 1.7 15.3 16.9| | Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250423.00.gif