UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 7 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 1017 71 -0.9 -3.1 85 2.2 -1.7 350 3 270.9 271.4 270.5 279.0 2.99 1 1000 205 -2.1 -5.9 75 3.8 -3.4 360 9 271.0 271.5 269.8 277.8 2.46 2 925 818 -7.1 -9.9 80 2.8 -7.9 340 7 272.0 272.4 269.5 277.4 1.94 3 850 1473 -11.7 -14.1 82 2.4 -12.3 335 11 273.9 274.1 270.0 278.2 1.51 4 821 1738 -13.5 -15.5 85 2.0 -14.0 330 12 274.7 275.0 270.4 278.7 1.39 5 802 1917 -10.1 -11.7 88 1.6 -10.6 326 12 280.2 280.5 274.4 285.8 1.94 6 781 2122 -10.3 -13.4 78 3.1 -11.2 322 13 282.1 282.4 275.2 287.2 1.74 7 710 2849 -14.9 -18.2 76 3.3 -15.7 307 15 284.8 285.0 276.0 288.7 1.28 8 700 2956 -15.7 -19.0 76 3.3 -16.4 305 15 285.1 285.3 276.0 288.7 1.22 9 676 3219 -17.3 -20.7 75 3.4 -18.0 303 18 286.2 286.4 276.4 289.5 1.09 10 668 3308 -16.7 -20.1 75 3.4 -17.4 302 19 287.8 288.0 277.3 291.3 1.16 11 627 3782 -19.5 -24.5 64 5.0 -20.4 298 24 289.9 290.0 277.9 292.5 0.84 12 527 5053 -27.5 -30.3 77 2.8 -27.9 288 39 295.0 295.1 280.0 296.9 0.58 13 500 5430 -29.9 -33.1 74 3.2 -30.3 285 44 296.6 296.7 280.5 298.1 0.47 14 400 6980 -41.7 -46.0 63 4.3 -41.9 280 58 300.8 300.8 281.9 301.3 0.15 15 367 7557 -46.5 -50.9 61 4.4 -46.7 281 53 301.9 301.9 282.3 302.2 0.10 16 300 8870 -54.9 -59.4 57 4.5 -55.0 285 40 308.0 308.0 284.6 308.1 0.04 17 297 8934 -55.3 -59.8 57 4.5 -55.4 308.3 308.3 284.7 308.4 0.04 TRP WND Sounding variables and indices 1000-500 mb thick: 5225.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 76.06 % Est. max temperature: 1.64 C = 34.94 F Sfc-Lift cond lev (LCL): 982.49 mb = 343.92 m = 1128.32 ft T: -3.23 C 700-500 lapse rate: 5.74 C/km ThetaE index: 1.57 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 905.22 mb = 985.40 m = 3232.90 ft Mean mixing ratio: 2.26 g/kg Conv temperature: 0.69 C = 33.25 F Cap Strength: 14.90 C Lifted Index: 15.84 C Risk: None Lifted Index @300 mb: 21.43 C Lifted Index @700 mb: 8.71 C Showalter Index: 15.49 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 15.80 C K Index: 0.80 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 4.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.49 J/kg Max Up Vert Vel: 2.23 m/s Conv Inhibition (B-): 4277.08 J/kg Cap Strength: 15.52 C Lift Cond Lev (LCL): 919.38 mb = 865.22 m = 2838.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 326 at 17 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 1017 71 350 3 0.5 -3.0 | 142 14 -8.8 11.2 1 1000 205 360 9 -0.0 -9.0 | 119 11 -9.4 5.1 2 925 818 340 7 2.4 -6.6 | 137 10 -7.0 7.5 3 850 1473 335 11 4.6 -10.0 | 131 6 -4.7 4.1 4 700 2956 305 15 12.3 -8.6 | 208 6 2.9 5.5 5 500 5430 285 44 42.5 -11.4 | 265 33 33.1 2.7 6 400 6980 280 58 57.1 -10.1 | 265 48 47.8 4.0 7 300 8870 285 40 38.6 -10.4 | 263 30 29.3 3.8 Wind Parameters Mean winds (0-6000m): 296.4 at 22.6 knts Storm direction: 326.4 at 16.9 knts Shear (0-3000m) pos: 0.0 neg: 2.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 78.5 deg Storm rel helicity (0-3000m) pos: 18.3 neg: -15.9 tot: 2.4 m^2/s^2 ave: 0.8 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 51.33 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 ------------------------------------------------------------------------------- 500 355 8 126 11| 0.0 4.9 4.9| 4.5 -14.3 -9.7 -19.5 -0.37| 7.8 -2.9 1000 349 8 130 10| 0.0 2.9 2.9| 7.8 -15.0 -7.2 -7.2 -0.18| 5.2 -1.0 1500 343 8 131 9| 0.0 2.9 2.9| 8.2 -15.9 -7.7 -5.2 -0.16| 4.5 -0.7 2000 338 9 133 8| 0.0 2.6 2.6| 10.8 -15.9 -5.1 -2.6 -0.01| 4.0 -0.0 2500 333 10 137 7| 0.0 2.4 2.4| 13.8 -15.9 -2.1 -0.8 0.14| 3.8 0.5 3000 326 11 146 6| 0.0 2.5 2.5| 18.3 -15.9 2.4 0.8 0.25| 3.8 0.9 4000 315 14 183 4| 0.0 3.4 3.4| 35.4 -15.9 19.4 4.9 0.36| 4.4 1.6 5000 304 18 233 7| 0.0 4.0 4.0| 40.2 -16.9 23.4 4.7 0.28| 4.8 1.3 6000 296 23 249 12| 0.0 4.2 4.2| 42.1 -20.8 21.3 3.6 0.22| 4.9 1.1 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251207.00.gif