UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103100.upa.cvt Date: 0000Z 31 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 31 OCT 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 1014 11 1.0 -1.9 81 2.9 -0.2 20 9 273.1 273.6 272.3 282.0 3.27 1 1000 122 0.0 -4.8 70 4.8 -1.7 30 11 273.1 273.6 271.4 280.5 2.67 2 973 341 -1.1 -7.1 64 6.0 -3.1 34 12 274.2 274.6 271.5 280.6 2.30 3 925 741 -4.9 -9.9 68 5.0 -6.4 40 15 274.3 274.6 271.0 279.7 1.94 4 850 1400 -10.1 -12.7 81 2.6 -10.8 55 13 275.6 275.8 271.4 280.4 1.69 5 821 1666 -12.1 -14.6 82 2.5 -12.7 55 14 276.2 276.5 271.4 280.5 1.50 6 819 1685 -12.1 -14.6 82 2.5 -12.7 55 14 276.4 276.6 271.5 280.7 1.50 7 815 1723 -10.1 -13.1 79 3.0 -10.9 55 14 278.9 279.2 273.3 283.8 1.71 8 774 2118 -13.1 -18.0 67 4.9 -14.2 55 16 279.8 280.0 273.1 283.3 1.20 9 739 2471 -12.9 -26.9 30 14.0 -15.4 55 17 283.8 283.9 274.3 285.5 0.57 10 710 2776 -13.1 -29.1 25 16.0 -15.9 55 19 286.8 286.9 275.8 288.3 0.48 11 700 2884 -13.3 -30.3 23 17.0 -16.2 55 19 287.8 287.8 276.2 289.2 0.44 12 635 3620 -16.5 -36.5 16 20.0 -19.3 49 18 292.2 292.3 278.2 293.1 0.26 13 584 4244 -20.7 -42.7 12 22.0 -23.0 44 18 294.4 294.5 279.1 295.0 0.15 14 500 5370 -30.1 -41.1 33 11.0 -31.0 35 17 296.3 296.4 280.0 297.1 0.21 15 456 6018 -35.3 -45.3 35 10.0 -35.9 23 16 297.7 297.8 280.6 298.3 0.15 16 400 6920 -40.5 -48.5 42 8.0 -40.9 5 15 302.4 302.4 282.5 302.8 0.12 17 396 6988 -40.5 -48.5 42 8.0 -40.9 5 15 303.2 303.2 282.8 303.6 0.12 18 392 7058 -41.1 -49.1 42 8.0 -41.5 5 15 303.3 303.3 282.9 303.7 0.11 19 334 8125 -49.9 -57.9 38 8.0 -50.1 2 11 305.5 305.5 283.7 305.7 0.05 20 300 8820 -54.1 -62.1 37 8.0 -54.2 360 9 309.1 309.1 285.0 309.2 0.03 21 250 9970 -60.7 -68.7 34 8.0 -60.8 350 7 315.8 315.8 287.4 315.9 0.01 22 245 10096 -61.5 -69.5 34 8.0 -61.6 340 7 316.5 316.5 287.6 316.5 0.01 23 225 10630 -56.7 -64.7 36 8.0 -56.8 330 8 331.6 331.6 292.2 331.7 0.03 24 200 11380 -55.7 -63.7 36 8.0 -55.9 315 9 344.6 344.6 295.4 344.7 0.04 25 151 13177 -54.3 -64.3 28 10.0 -54.6 281 11 375.8 375.8 301.6 376.0 0.04 26 150 13220 -54.5 -64.5 28 10.0 -54.8 280 11 376.2 376.2 301.6 376.4 0.04 27 100 15780 -58.7 -70.7 20 12.0 -59.0 290 17 414.3 414.3 307.0 414.5 0.03 28 70 18000 -62.3 -75.3 16 13.0 -62.6 280 17 451.1 451.1 311.0 451.2 0.02 29 56 19363 -66.5 -79.5 14 13.0 -66.7 277 20 471.3 471.3 312.7 471.3 0.01 30 50 20050 -65.7 -79.7 13 14.0 -66.0 275 21 488.7 488.7 314.1 488.7 0.01 31 30 23110 -71.3 -84.3 13 13.0 -71.5 280 25 550.3 550.3 318.1 550.3 0.01 32 20 25500 -72.9 -85.9 12 13.0 -73.1 270 25 613.0 613.0 321.2 613.1 0.01 33 17 26450 -74.3 -87.3 12 13.0 -74.5 637.7 637.7 322.2 637.8 0.01 TRP 245 10096 -61.5 -69.5 34 8.0 -61.6 340 7 316.5 316.5 287.6 316.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5248.00 m Freezing level: 1000.00 mb = 122.00 m = 400.26 ft Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 42.33 % Est. max temperature: 3.28 C = 37.90 F Sfc-Lift cond lev (LCL): 969.17 mb = 371.79 m = 1219.78 ft T: -1.40 C 700-500 lapse rate: 6.76 C/km ThetaE index: 1.48 C Layer 1000.0- 973.0 mb Conv cond level (CCL): 872.85 mb = 1193.24 m = 3914.79 ft Mean mixing ratio: 2.31 g/kg Conv temperature: 3.12 C = 37.62 F Cap Strength: 13.09 C Lifted Index: 13.53 C Risk: None Lifted Index @300 mb: 20.38 C Lifted Index @700 mb: 9.12 C Showalter Index: 13.53 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 17.40 C K Index: -9.70 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 3.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.67 J/kg Max Up Vert Vel: 3.37 m/s Conv Inhibition (B-): 52536.22 J/kg Cap Strength: 13.51 C Lift Cond Lev (LCL): 889.11 mb = 1049.43 m = 3442.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 75 at 12 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 1014 11 20 9 -3.1 -8.5 | 301 10 8.7 -5.3 1 1000 122 30 11 -5.5 -9.5 | 315 9 6.3 -6.4 2 925 741 40 15 -9.6 -11.5 | 345 9 2.2 -8.4 3 850 1400 55 13 -10.6 -7.5 | 345 4 1.2 -4.3 4 700 2884 55 19 -15.6 -10.9 | 26 9 -3.7 -7.8 5 500 5370 35 17 -9.8 -13.9 | 349 11 2.1 -10.8 6 400 6920 5 15 -1.3 -14.9 | 318 16 10.5 -11.8 7 300 8820 360 9 -0.0 -9.0 | 296 13 11.8 -5.9 8 250 9970 350 7 1.2 -6.9 | 286 14 13.0 -3.8 9 245 10096 340 7 2.4 -6.6 | 284 15 14.2 -3.4 10 200 11380 315 9 6.4 -6.4 | 280 18 18.2 -3.2 11 150 13220 280 11 10.8 -1.9 | 267 23 22.6 1.2 12 100 15780 290 17 16.0 -5.8 | 276 28 27.8 -2.7 13 70 18000 280 17 16.7 -3.0 | 270 29 28.6 0.2 14 50 20050 275 21 20.9 -1.8 | 268 33 32.7 1.3 15 30 23110 280 25 24.6 -4.3 | 272 36 36.4 -1.2 16 20 25500 270 25 25.0 -0.0 | 265 37 36.8 3.1 Wind Parameters Mean winds (0-6000m): 45.2 at 16.3 knts Storm direction: 75.2 at 12.2 knts Shear (0-3000m) pos: 1.4 neg: 0.9 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 82.1 deg Storm rel helicity (0-3000m) pos: 23.3 neg: -0.8 tot: 22.5 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.39 Bulk Shear: 4.08 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 32 12 321 9| 5.6 0.0 5.6| 12.5 0.0 12.5 25.0 0.94| 5.7 5.3 1000 37 13 332 8| 3.7 0.0 3.7| 16.8 0.0 16.8 16.8 0.80| 4.6 3.6 1500 42 13 336 7| 2.7 0.0 2.7| 17.3 -0.2 17.1 11.4 0.63| 4.0 2.5 2000 45 14 341 7| 2.1 0.5 2.6| 19.5 -0.2 19.4 9.7 0.66| 3.5 2.3 2500 48 14 348 7| 1.6 0.8 2.5| 21.8 -0.2 21.6 8.7 0.66| 3.2 2.1 3000 49 15 355 7| 1.4 0.9 2.3| 23.3 -0.8 22.5 7.5 0.62| 3.0 1.8 4000 49 16 1 7| 1.0 0.7 1.7| 23.3 -7.0 16.3 4.1 0.41| 2.6 1.1 5000 48 16 1 8| 0.8 0.6 1.4| 23.3 -13.3 10.0 2.0 0.25| 2.3 0.6 6000 45 16 358 8| 0.7 0.7 1.4| 23.3 -25.4 -2.0 -0.3 0.07| 2.3 0.2 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251031.00.gif