UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 10 DEC 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 1016 49 -12.1 -16.5 70 4.4 -13.0 230 9 259.9 260.0 259.2 262.7 1.03 1 1000 170 -13.1 -17.5 69 4.4 -13.9 230 9 260.0 260.2 259.2 262.7 0.97 2 952 542 -15.3 -18.9 74 3.6 -15.9 249 13 261.5 261.6 260.2 264.0 0.90 3 925 760 -11.9 -14.9 78 3.0 -12.6 260 15 267.1 267.4 265.1 270.7 1.30 4 899 980 -8.3 -9.9 88 1.6 -8.8 263 17 273.0 273.4 270.3 278.6 2.00 5 850 1414 -10.3 -12.5 84 2.2 -10.9 270 21 275.4 275.6 271.2 280.2 1.72 6 801 1868 -14.1 -17.6 75 3.5 -14.9 273 24 276.0 276.2 270.8 279.5 1.20 7 740 2469 -14.5 -16.9 82 2.4 -15.1 277 28 281.9 282.1 274.5 286.0 1.37 8 700 2888 -16.7 -19.4 80 2.7 -17.3 280 31 284.0 284.2 275.3 287.5 1.17 9 576 4326 -27.1 -30.2 75 3.1 -27.5 283 39 288.1 288.2 276.6 289.8 0.54 10 500 5340 -30.9 -34.3 72 3.4 -31.3 285 44 295.4 295.4 279.9 296.7 0.42 11 493 5440 -31.5 -34.9 72 3.4 -31.9 285 44 295.8 295.9 280.1 297.1 0.40 12 400 6880 -43.3 -47.4 64 4.1 -43.5 285 46 298.7 298.7 281.0 299.2 0.13 13 310 8543 -57.5 -61.8 58 4.3 -57.6 289 51 301.5 301.5 282.0 301.6 0.03 14 300 8750 -58.7 -63.0 57 4.3 -58.7 290 52 302.6 302.6 282.5 302.7 0.03 15 250 9870 -64.9 -69.4 54 4.5 -64.9 295 54 309.6 309.6 285.2 309.6 0.01 16 216 10750 -69.9 -74.4 52 4.5 -69.9 300 54 315.0 315.0 287.1 315.1 0.01 17 200 11210 -68.5 -73.0 52 4.5 -68.5 305 52 324.3 324.3 290.0 324.3 0.01 18 186 11645 -67.1 -71.7 52 4.6 -67.1 305 50 333.3 333.3 292.6 333.4 0.01 19 150 12940 -66.9 -71.6 51 4.7 -67.0 305 44 354.8 354.8 297.7 354.9 0.02 20 138 13444 -66.3 -71.0 52 4.7 -66.4 364.5 364.5 299.6 364.5 0.02 21 105 15087 -69.5 -74.3 50 4.8 -69.5 388.0 388.0 303.5 388.1 0.02 TRP 216 10750 -69.9 -74.4 52 4.5 -69.9 300 54 315.0 315.0 287.1 315.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5170.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 77.38 % Est. max temperature: 2.68 C = 36.83 F Sfc-Lift cond lev (LCL): 946.23 mb = 587.97 m = 1929.02 ft T: -14.58 C 700-500 lapse rate: 5.79 C/km ThetaE index: 0.74 C Layer 801.0- 740.0 mb Conv cond level (CCL): 633.52 mb = 3624.04 m = 11889.75 ft Mean mixing ratio: 1.03 g/kg Conv temperature: 14.30 C = 57.74 F Cap Strength: 19.87 C Lifted Index: 24.86 C Risk: None Lifted Index @300 mb: 26.53 C Lifted Index @700 mb: 17.79 C Showalter Index: 12.85 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 18.40 C K Index: 5.40 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 3.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.64 J/kg Max Up Vert Vel: 8.08 m/s Conv Inhibition (B-): 19333.06 J/kg Cap Strength: 24.23 C Lift Cond Lev (LCL): 909.51 mb = 890.32 m = 2920.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 309 at 23 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 1016 49 230 9 6.9 5.8 | 152 23 -10.8 20.3 1 1000 170 230 9 6.9 5.8 | 152 23 -10.8 20.3 2 925 760 260 15 14.8 2.6 | 170 17 -2.9 17.1 3 850 1414 270 21 21.0 -0.0 | 193 15 3.3 14.5 4 700 2888 280 31 30.5 -5.4 | 235 16 12.8 9.1 5 500 5340 285 44 42.5 -11.4 | 263 25 24.8 3.1 6 400 6880 285 46 44.4 -11.9 | 264 27 26.7 2.6 7 300 8750 290 52 48.9 -17.8 | 276 31 31.2 -3.3 8 250 9870 295 54 48.9 -22.8 | 285 32 31.3 -8.3 9 216 10750 300 54 46.8 -27.0 | 293 32 29.1 -12.5 10 200 11210 305 52 42.6 -29.8 | 302 29 24.9 -15.3 11 150 12940 305 44 36.0 -25.2 | 300 21 18.4 -10.7 Wind Parameters Mean winds (0-6000m): 279.3 at 30.5 knts Storm direction: 309.3 at 22.9 knts Shear (0-3000m) pos: 4.6 neg: 0.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 85.3 deg Storm rel helicity (0-3000m) pos: 108.4 neg: 0.0 tot: 108.4 m^2/s^2 ave: 36.1 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 4.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.45 Bulk Shear: 73.17 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 ------------------------------------------------------------------------------- 500 239 10 156 22| 5.4 0.0 5.4| 24.6 0.0 24.6 49.1 0.81| 5.5 4.4 1000 252 13 163 19| 5.9 0.0 5.9| 47.6 0.0 47.6 47.6 0.80| 6.0 4.8 1500 259 15 171 17| 5.6 0.0 5.6| 66.2 0.0 66.2 44.2 0.84| 5.6 4.7 2000 264 17 178 16| 5.1 0.0 5.1| 80.5 0.0 80.5 40.2 0.87| 5.2 4.5 2500 268 19 186 15| 4.9 0.0 4.9| 95.1 0.0 95.1 38.0 0.89| 4.9 4.4 3000 271 21 193 15| 4.6 0.0 4.6|108.4 0.0 108.4 36.1 0.90| 4.7 4.2 4000 274 24 208 14| 4.2 0.0 4.2|128.2 0.0 128.2 32.0 0.87| 4.2 3.7 5000 277 28 222 15| 3.9 0.0 3.9|149.4 0.0 149.4 29.9 0.85| 3.9 3.3 6000 279 30 232 16| 3.4 0.1 3.5|158.3 0.0 158.3 26.4 0.83| 3.5 2.9 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251210.12.gif