UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 3 DEC 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1012 3 0.6 -0.3 94 0.9 0.3 290 7 272.8 273.4 272.8 282.8 3.69 1 1000 99 0.4 -2.5 81 2.9 -0.7 290 15 273.5 274.1 272.4 282.2 3.18 2 925 720 -3.9 -7.0 79 3.1 -5.0 295 15 275.3 275.7 272.3 282.1 2.44 3 850 1381 -9.1 -11.9 80 2.8 -9.9 290 17 276.6 276.9 272.2 281.7 1.80 4 783 2011 -12.9 -17.1 71 4.2 -13.9 286 17 279.1 279.3 272.8 282.8 1.28 5 700 2854 -19.9 -25.9 59 6.0 -20.8 280 17 280.4 280.6 272.6 282.5 0.66 6 637 3546 -25.5 -30.5 63 5.0 -26.1 288 30 281.7 281.8 273.0 283.2 0.47 7 628 3649 -25.5 -30.5 63 5.0 -26.1 290 32 282.9 283.0 273.7 284.4 0.48 8 609 3873 -24.3 -31.3 52 7.0 -25.2 292 36 286.8 286.9 275.7 288.2 0.46 9 544 4688 -29.1 -44.1 22 15.0 -30.2 302 51 290.5 290.5 277.1 290.9 0.14 10 515 5080 -29.5 -46.5 18 17.0 -30.7 307 58 294.6 294.6 279.1 295.0 0.11 11 514 5093 -29.5 -46.5 18 17.0 -30.7 308 58 294.7 294.8 279.1 295.1 0.11 12 500 5290 -30.9 -46.9 19 16.0 -32.0 310 62 295.4 295.4 279.4 295.8 0.11 13 442 6150 -37.9 -47.9 34 10.0 -38.4 310 80 297.1 297.1 280.3 297.5 0.11 14 430 6338 -39.5 -49.5 34 10.0 -39.9 310 84 297.4 297.5 280.4 297.8 0.10 15 400 6830 -41.3 -51.3 33 10.0 -41.7 310 95 301.3 301.3 282.0 301.6 0.08 16 390 7002 -42.1 -52.1 33 10.0 -42.5 310 97 302.5 302.5 282.5 302.7 0.08 17 336 7991 -51.9 -60.9 33 9.0 -52.1 313 106 302.2 302.2 282.3 302.4 0.03 18 305 8615 -55.7 -64.7 32 9.0 -55.8 315 112 305.4 305.4 283.6 305.5 0.02 19 300 8720 -56.3 -65.3 31 9.0 -56.4 315 108 306.0 306.0 283.8 306.1 0.02 20 278 9201 -59.5 -68.5 30 9.0 -59.6 315 91 308.1 308.1 284.6 308.2 0.01 21 250 9870 -57.3 -66.3 31 9.0 -57.4 310 68 320.9 320.9 289.0 321.0 0.02 22 200 11280 -57.3 -66.3 31 9.0 -57.5 300 54 342.0 342.0 294.8 342.1 0.03 23 198 11344 -56.7 -65.7 31 9.0 -56.9 300 54 344.0 344.0 295.3 344.1 0.03 24 150 13090 -59.3 -69.3 26 10.0 -59.5 300 46 367.9 367.9 300.2 368.0 0.02 25 100 15610 -63.3 -74.3 21 11.0 -63.4 300 44 405.4 405.4 305.9 405.5 0.02 26 70 17770 -68.5 -79.5 19 11.0 -68.6 295 50 437.8 437.8 309.7 437.9 0.01 27 50 19760 -74.9 -85.9 17 11.0 -75.0 310 46 467.0 467.0 312.4 467.0 0.00 28 48 19997 -75.5 -86.5 16 11.0 -75.6 471.0 471.0 312.7 471.1 0.00 TRP 278 9201 -59.5 -68.5 30 9.0 -59.6 315 91 308.1 308.1 284.6 308.2 0.01 WND 305 8615 -55.7 -64.7 32 9.0 -55.8 315 112 305.4 305.4 283.6 305.5 0.02 Sounding variables and indices 1000-500 mb thick: 5191.00 m Freezing level: 993.02 mb = 156.77 m = 514.32 ft Wetbulb zero: 1008.94 mb = 27.68 m = 90.80 ft Precipitable water: 0.28 inches Sfc-500 mean rel hum: 59.12 % Est. max temperature: 4.20 C = 39.56 F Sfc-Lift cond lev (LCL): 997.76 mb = 116.84 m = 383.34 ft T: 0.28 C 700-500 lapse rate: 4.52 C/km ThetaE index: 1.05 C Layer 1000.0- 783.0 mb Conv cond level (CCL): 901.86 mb = 918.08 m = 3012.05 ft Mean mixing ratio: 2.82 g/kg Conv temperature: 3.51 C = 38.32 F Cap Strength: 10.97 C Lifted Index: 11.33 C Risk: None Lifted Index @300 mb: 16.86 C Lifted Index @700 mb: 1.14 C Showalter Index: 11.68 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.00 C K Index: 3.90 Risk: None Sweat Index: 96.00 Risk: None Energy Index: 2.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.30 J/kg Max Up Vert Vel: 2.93 m/s Conv Inhibition (B-): 29708.30 J/kg Cap Strength: 11.08 C Lift Cond Lev (LCL): 919.81 mb = 763.98 m = 2506.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 332 at 24 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 1012 3 290 7 6.6 -2.4 | 166 20 -4.9 19.0 1 1000 99 290 15 14.1 -5.1 | 189 17 2.6 16.3 2 925 720 295 15 13.6 -6.3 | 188 15 2.1 15.1 3 850 1381 290 17 16.0 -5.8 | 196 16 4.5 15.6 4 700 2854 280 17 16.7 -3.0 | 196 19 5.3 18.5 5 500 5290 310 62 47.5 -39.9 | 297 40 36.0 -18.4 6 400 6830 310 95 72.8 -61.1 | 303 73 61.3 -39.6 7 305 8615 315 112 79.2 -79.2 | 310 89 67.7 -57.8 8 300 8720 315 108 76.4 -76.4 | 310 85 64.9 -54.9 9 278 9201 315 91 64.3 -64.3 | 309 68 52.9 -42.9 10 250 9870 310 68 52.1 -43.7 | 299 46 40.6 -22.3 11 200 11280 300 54 46.8 -27.0 | 279 36 35.3 -5.6 12 150 13090 300 46 39.8 -23.0 | 273 28 28.3 -1.6 13 100 15610 300 44 38.1 -22.0 | 271 27 26.6 -0.6 14 70 17770 295 50 45.3 -21.1 | 269 34 33.8 0.3 15 50 19760 310 46 35.2 -29.6 | 289 25 23.7 -8.1 Wind Parameters Mean winds (0-6000m): 301.8 at 32.4 knts Storm direction: 331.8 at 24.3 knts Shear (0-3000m) pos: 1.4 neg: 1.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 38.8 deg Storm rel helicity (0-3000m) pos: 57.8 neg: -1.7 tot: 56.1 m^2/s^2 ave: 18.7 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 45.82 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 ------------------------------------------------------------------------------- 500 291 14 186 16| 8.3 0.0 8.3| 34.3 -0.8 33.5 67.0 0.81| 9.2 7.4 1000 293 15 188 16| 4.1 0.4 4.6| 38.2 -1.3 36.9 36.9 0.78| 5.3 4.2 1500 292 15 190 16| 2.8 0.8 3.5| 43.5 -1.3 42.2 28.2 0.78| 4.1 3.2 2000 291 16 192 16| 2.1 0.7 2.8| 43.6 -1.3 42.3 21.2 0.72| 3.3 2.4 2500 289 16 193 17| 1.7 0.7 2.4| 43.6 -1.4 42.2 16.9 0.67| 2.9 1.9 3000 288 16 194 17| 1.4 1.0 2.4| 57.8 -1.7 56.1 18.7 0.69| 3.0 2.1 4000 289 19 204 17| 3.5 0.8 4.3|160.1 -1.7 158.4 39.6 0.83| 4.8 4.0 5000 296 25 227 15| 4.8 0.6 5.5|295.6 -1.7 294.0 58.8 0.83| 6.0 4.9 6000 302 32 255 17| 4.9 1.3 6.2|381.8 -1.7 380.1 63.3 0.70| 6.8 4.8 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251203.00.gif