UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 6 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 1022 46 -18.9 -22.0 76 3.1 -19.3 250 1 252.7 252.8 252.4 254.4 0.64 1 1000 208 -19.9 -23.0 76 3.1 -20.3 255 3 253.2 253.3 252.8 254.9 0.60 2 925 785 -23.1 -25.9 78 2.8 -23.4 270 9 255.7 255.8 254.7 257.1 0.50 3 878 1165 -25.3 -28.1 77 2.8 -25.6 276 13 257.2 257.3 255.8 258.5 0.43 4 850 1403 -20.9 -23.5 80 2.6 -21.2 280 15 264.3 264.4 261.9 266.2 0.68 5 842 1473 -19.9 -22.5 80 2.6 -20.3 280 16 266.0 266.1 263.3 268.1 0.75 6 734 2485 -23.1 -31.1 48 8.0 -24.0 284 26 273.2 273.2 267.6 274.3 0.39 7 700 2831 -25.5 -34.5 43 9.0 -26.3 285 29 274.2 274.3 268.1 275.1 0.29 8 667 3179 -27.7 -37.7 38 10.0 -28.5 287 32 275.6 275.6 268.8 276.3 0.22 9 619 3711 -30.9 -37.9 50 7.0 -31.4 290 37 277.9 277.9 270.3 278.6 0.24 10 551 4524 -37.1 -43.1 54 6.0 -37.4 296 45 279.9 279.9 271.4 280.4 0.15 11 500 5190 -40.1 -48.1 42 8.0 -40.4 300 52 284.1 284.2 273.7 284.5 0.10 12 457 5804 -41.9 -50.9 37 9.0 -42.2 298 58 289.3 289.3 276.5 289.6 0.08 13 400 6700 -46.3 -57.3 28 11.0 -46.6 295 66 294.8 294.8 279.1 295.0 0.04 14 347 7629 -52.1 -64.1 22 12.0 -52.3 295 70 299.2 299.2 281.0 299.3 0.02 15 300 8560 -55.9 -67.9 21 12.0 -56.1 295 75 306.6 306.6 284.0 306.6 0.01 16 294 8699 -56.4 -68.4 21 12.0 -56.6 295 77 307.6 307.6 284.4 307.6 0.01 17 282 8983 -57.5 -69.5 20 12.0 -57.6 295 75 309.7 309.7 285.2 309.8 0.01 18 250 9800 -57.1 -69.1 20 12.0 -57.2 295 69 321.2 321.2 289.1 321.2 0.01 19 200 11220 -56.3 -68.3 21 12.0 -56.5 295 64 343.6 343.6 295.2 343.7 0.02 20 182 11788 -56.1 -68.1 21 12.0 -56.3 298 61 353.3 353.3 297.4 353.4 0.02 21 150 12960 -56.5 -69.5 18 13.0 -56.8 305 54 372.7 372.7 301.1 372.8 0.02 22 110 14914 -59.7 -73.7 15 14.0 -59.9 401.3 401.3 305.4 401.4 0.02 TRP 282 8983 -57.5 -69.5 20 12.0 -57.6 295 75 309.7 309.7 285.2 309.8 0.01 WND 294 8699 -56.4 -68.4 21 12.0 -56.6 295 77 307.6 307.6 284.4 307.6 0.01 Sounding variables and indices 1000-500 mb thick: 4982.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 58.55 % Est. max temperature: -12.82 C = 8.93 F Sfc-Lift cond lev (LCL): 971.17 mb = 424.53 m = 1392.79 ft T: -21.10 C 700-500 lapse rate: 6.19 C/km ThetaE index: 0.00 C Layer 1022.0- 0.0 mb Conv cond level (CCL): 881.86 mb = 1133.51 m = 3718.83 ft Mean mixing ratio: 0.56 g/kg Conv temperature: -14.43 C = 6.03 F Cap Strength: 20.48 C Lifted Index: 23.34 C Risk: None Lifted Index @300 mb: 36.01 C Lifted Index @700 mb: 17.08 C Showalter Index: 14.87 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 16.60 C K Index: -13.30 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 3.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.71 J/kg Max Up Vert Vel: 3.93 m/s Conv Inhibition (B-): 23076.69 J/kg Cap Strength: 23.10 C Lift Cond Lev (LCL): 924.71 mb = 787.30 m = 2582.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 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 1022 46 250 1 0.9 0.3 | 145 23 -13.4 19.0 1 1000 208 255 3 2.9 0.8 | 150 23 -11.4 19.4 2 925 785 270 9 9.0 -0.0 | 164 19 -5.3 18.6 3 850 1403 280 15 14.8 -2.6 | 182 16 0.5 16.0 4 700 2831 285 29 28.0 -7.5 | 231 18 13.7 11.1 5 500 5190 300 52 45.0 -26.0 | 283 32 30.7 -7.4 6 400 6700 295 66 59.8 -27.9 | 281 46 45.5 -9.3 7 300 8560 295 75 68.0 -31.7 | 284 55 53.7 -13.1 8 294 8699 295 77 69.8 -32.5 | 284 57 55.5 -13.9 9 282 8983 295 75 68.0 -31.7 | 284 55 53.7 -13.1 10 250 9800 295 69 62.5 -29.2 | 282 49 48.2 -10.5 11 200 11220 295 64 58.0 -27.0 | 281 45 43.7 -8.4 12 150 12960 305 54 44.2 -31.0 | 292 32 29.9 -12.3 Wind Parameters Mean winds (0-6000m): 292.5 at 31.3 knts Storm direction: 322.5 at 23.5 knts Shear (0-3000m) pos: 5.2 neg: 0.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 92.7 deg Storm rel helicity (0-3000m) pos: 134.9 neg: 0.0 tot: 134.9 m^2/s^2 ave: 45.0 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 104.85 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 ------------------------------------------------------------------------------- 500 260 4 151 22| 5.7 0.0 5.7| 29.7 0.0 29.7 59.5 0.91| 5.8 5.2 1000 268 6 157 20| 5.5 0.0 5.5| 52.4 0.0 52.4 52.4 0.87| 5.6 4.9 1500 274 9 163 19| 5.3 0.0 5.3| 72.5 0.0 72.5 48.3 0.88| 5.5 4.8 2000 277 11 170 18| 5.3 0.0 5.3| 92.7 0.0 92.7 46.3 0.91| 5.4 4.9 2500 279 14 178 16| 5.2 0.0 5.2|113.1 0.0 113.1 45.2 0.92| 5.3 4.9 3000 281 16 186 16| 5.2 0.0 5.2|134.9 0.0 134.9 45.0 0.92| 5.3 4.9 4000 285 21 205 15| 5.2 0.0 5.2|185.3 0.0 185.3 46.3 0.91| 5.3 4.8 5000 290 26 227 14| 5.1 0.0 5.1|245.8 0.0 245.8 49.2 0.88| 5.4 4.8 6000 293 31 246 16| 4.3 0.8 5.1|255.6 -5.2 250.3 41.7 0.75| 5.4 4.0 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251206.12.gif