UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 24 APR 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 1006 5 -0.9 -2.8 87 1.9 -1.6 340 21 271.8 272.3 271.2 280.1 3.09 1 1000 53 -0.7 -4.3 77 3.6 -2.0 340 25 272.5 272.9 271.1 280.0 2.77 2 970 295 -2.9 -7.3 72 4.4 -4.4 344 29 272.6 273.0 270.5 278.9 2.27 3 925 670 -5.9 -9.7 74 3.8 -7.1 350 36 273.3 273.6 270.4 278.8 1.98 4 872 1130 -8.5 -9.9 90 1.4 -8.9 347 27 275.2 275.6 271.7 281.0 2.06 5 850 1327 -10.1 -12.2 85 2.1 -10.7 345 23 275.6 275.9 271.5 280.5 1.76 6 733 2453 -17.9 -20.2 82 2.3 -18.3 326 18 279.0 279.1 272.3 282.0 1.05 7 700 2798 -18.5 -22.5 71 4.0 -19.3 320 17 282.0 282.2 273.8 284.7 0.90 8 688 2926 -18.9 -22.6 73 3.7 -19.6 318 17 283.0 283.1 274.4 285.7 0.90 9 565 4361 -28.3 -32.8 65 4.5 -28.8 301 14 288.3 288.4 276.5 289.7 0.43 10 500 5220 -36.9 -41.5 62 4.6 -37.2 290 13 288.0 288.1 276.0 288.7 0.20 11 452 5916 -42.9 -47.5 61 4.6 -43.1 284 13 289.0 289.0 276.3 289.4 0.12 12 422 6381 -45.7 -49.8 63 4.1 -45.9 281 13 291.1 291.1 277.4 291.4 0.10 13 418 6445 -45.9 -50.1 62 4.2 -46.0 280 13 291.6 291.7 277.6 292.0 0.09 14 400 6740 -45.9 -50.5 60 4.6 -46.0 270 13 295.3 295.4 279.4 295.7 0.09 15 322 8174 -48.5 -55.5 44 7.0 -48.7 266 19 310.6 310.7 285.7 310.9 0.06 16 300 8640 -47.7 -55.7 39 8.0 -48.0 265 21 318.1 318.1 288.2 318.4 0.07 17 250 9850 -46.3 -57.3 28 11.0 -46.7 260 25 337.2 337.2 293.7 337.5 0.07 18 201 11297 -45.1 -59.1 19 14.0 -45.7 270 31 360.8 360.9 298.9 361.1 0.07 19 200 11330 -45.5 -59.5 19 14.0 -46.2 270 31 360.7 360.7 298.9 361.0 0.06 20 150 13240 -47.3 -63.3 14 16.0 -48.0 270 31 388.6 388.6 303.6 388.8 0.05 21 100 15900 -51.7 -67.7 13 16.0 -52.4 280 25 427.8 427.8 308.6 428.1 0.04 22 86 16884 -50.1 -67.1 12 17.0 -51.0 284 20 449.9 449.9 310.9 450.2 0.05 23 76 17688 -53.3 -70.3 11 17.0 -54.1 288 16 459.4 459.4 311.7 459.6 0.04 24 70 18220 -52.1 -69.1 11 17.0 -53.0 290 13 472.9 472.9 312.9 473.2 0.05 25 50 20390 -54.1 -70.1 12 16.0 -55.1 300 9 516.0 516.0 316.1 516.4 0.06 26 30 23650 -55.5 -72.5 10 17.0 -56.9 10 7 593.3 593.4 320.3 593.9 0.07 27 29 23866 -55.9 -72.9 10 17.0 -57.2 14 8 598.0 598.0 320.5 598.5 0.07 28 26 24565 -52.5 -69.5 11 17.0 -54.5 28 10 626.6 626.7 321.8 627.6 0.13 29 22 25639 -54.5 -71.5 11 17.0 -56.4 48 13 651.4 651.4 322.7 652.3 0.11 30 20 26250 -53.3 -70.3 11 17.0 -55.6 60 15 673.0 673.1 323.6 674.3 0.15 31 19 26580 -53.1 -70.1 11 17.0 -55.5 683.6 683.7 323.9 684.9 0.16 32 17 27305 -48.7 -66.7 11 18.0 -52.5 719.8 719.9 325.1 722.4 0.29 33 14 28583 -47.9 -65.9 11 18.0 -52.5 763.6 763.8 326.4 767.3 0.39 34 12 29608 -44.7 -64.7 9 20.0 -51.1 809.4 809.6 327.6 814.7 0.53 TRP 418 6445 -45.9 -50.1 62 4.2 -46.0 280 13 291.6 291.7 277.6 292.0 0.09 WND Sounding variables and indices 1000-500 mb thick: 5167.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 74.02 % Est. max temperature: 2.79 C = 37.03 F Sfc-Lift cond lev (LCL): 976.42 mb = 242.94 m = 797.03 ft T: -2.42 C 700-500 lapse rate: 7.60 C/km ThetaE index: 1.37 C Layer 1000.0- 872.0 mb Conv cond level (CCL): 867.45 mb = 1170.02 m = 3838.60 ft Mean mixing ratio: 2.26 g/kg Conv temperature: 2.61 C = 36.71 F Cap Strength: 8.54 C Lifted Index: 7.67 C Risk: None Lifted Index @300 mb: 27.63 C Lifted Index @700 mb: 4.80 C Showalter Index: 6.59 C Risk: None Total Totals Index: 51.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 24.70 C K Index: 10.60 Risk: None Sweat Index: 109.00 Risk: None Energy Index: 1.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.67 J/kg Max Up Vert Vel: 3.06 m/s Conv Inhibition (B-): 60652.97 J/kg Cap Strength: 8.44 C Lift Cond Lev (LCL): 899.54 mb = 887.35 m = 2911.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 355 at 14 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 1006 5 340 21 7.2 -19.7 | 313 8 6.0 -5.5 1 1000 53 340 25 8.6 -23.5 | 322 12 7.4 -9.3 2 925 670 350 36 6.3 -35.5 | 347 22 5.1 -21.3 3 850 1327 345 23 6.0 -22.2 | 329 9 4.8 -8.0 4 700 2798 320 17 10.9 -13.0 | 263 10 9.8 1.2 5 500 5220 290 13 12.2 -4.4 | 229 15 11.1 9.7 6 418 6445 280 13 12.8 -2.3 | 224 17 11.6 11.9 7 400 6740 270 13 13.0 -0.0 | 220 18 11.8 14.2 8 300 8640 265 21 20.9 1.8 | 231 25 19.8 16.0 9 250 9850 260 25 24.6 4.3 | 232 30 23.5 18.5 10 200 11330 270 31 31.0 -0.0 | 245 33 29.8 14.2 11 150 13240 270 31 31.0 -0.0 | 245 33 29.8 14.2 12 100 15900 280 25 24.6 -4.3 | 247 25 23.5 9.9 13 70 18220 290 13 12.2 -4.4 | 229 15 11.1 9.7 14 50 20390 300 9 7.8 -4.5 | 214 12 6.6 9.7 15 30 23650 10 7 -1.2 -6.9 | 162 8 -2.4 7.3 16 20 26250 60 15 -13.0 -7.5 | 115 16 -14.2 6.7 Wind Parameters Mean winds (0-6000m): 325.3 at 19.0 knts Storm direction: 355.3 at 14.2 knts Shear (0-3000m) pos: 1.5 neg: 2.9 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): -53.4 deg Storm rel helicity (0-3000m) pos: 33.4 neg: -43.2 tot: -9.8 m^2/s^2 ave: -3.3 10^-3 m/s^2 rel: -0.18 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 19.27 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 ------------------------------------------------------------------------------- 500 344 28 333 15| 12.9 0.0 12.9| 24.7 0.0 24.7 49.4 0.52| 13.2 6.9 1000 347 31 340 17| 4.6 0.0 4.6| 33.4 -8.8 24.5 24.5 0.30| 11.1 3.4 1500 347 29 338 15| 3.1 2.6 5.6| 33.4 -19.6 13.8 9.2 0.10| 10.1 1.0 2000 345 27 334 13| 2.3 2.8 5.1| 33.4 -28.4 5.0 2.5 -0.03| 8.5 -0.2 2500 343 25 328 12| 1.8 3.0 4.8| 33.4 -36.6 -3.2 -1.3 -0.12| 7.5 -0.9 3000 340 24 321 11| 1.5 2.9 4.5| 33.4 -43.2 -9.8 -3.3 -0.18| 6.8 -1.2 4000 335 22 306 10| 1.2 2.7 3.8| 33.4 -52.6 -19.2 -4.8 -0.23| 5.6 -1.3 5000 330 20 291 10| 0.9 2.5 3.4| 33.4 -62.9 -29.5 -5.9 -0.28| 4.8 -1.3 6000 325 19 278 10| 0.8 2.3 3.0| 33.4 -68.2 -34.8 -5.8 -0.29| 4.2 -1.2 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250424.12.gif