UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 22 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 1024 11 -0.7 -5.3 71 4.6 -2.3 270 5 270.6 271.0 269.5 277.4 2.51 1 1000 200 -2.5 -8.5 63 6.0 -4.4 280 7 270.6 271.0 268.8 276.2 2.01 2 925 812 -7.7 -12.7 67 5.0 -9.0 305 17 271.4 271.7 268.5 275.8 1.55 3 871 1277 -12.7 -15.3 81 2.6 -13.3 298 18 270.9 271.2 267.8 274.7 1.33 4 858 1392 -11.5 -13.8 83 2.3 -12.1 296 19 273.4 273.6 269.7 277.7 1.53 5 850 1464 -11.7 -16.2 69 4.5 -12.8 295 19 273.9 274.1 269.6 277.5 1.27 6 843 1527 -11.9 -19.9 51 8.0 -13.6 295 19 274.3 274.5 269.3 277.0 0.93 7 821 1729 -14.1 -26.1 35 12.0 -16.1 297 20 274.1 274.2 268.5 275.7 0.55 8 700 2915 -23.9 -40.9 19 17.0 -25.3 305 27 276.0 276.0 269.0 276.5 0.15 9 698 2936 -24.1 -41.1 19 17.0 -25.5 305 27 276.0 276.0 269.0 276.5 0.15 10 627 3708 -30.1 -41.1 33 11.0 -30.9 307 30 277.8 277.8 270.1 278.3 0.17 11 570 4384 -31.9 -39.9 45 8.0 -32.5 308 32 283.3 283.4 273.5 284.0 0.21 12 549 4649 -32.7 -41.7 40 9.0 -33.3 309 33 285.4 285.5 274.6 286.0 0.18 13 500 5300 -37.5 -48.5 31 11.0 -38.0 310 36 287.3 287.3 275.4 287.6 0.09 14 489 5454 -38.7 -49.7 30 11.0 -39.2 310 39 287.7 287.7 275.6 288.0 0.08 15 400 6820 -44.3 -56.3 25 12.0 -44.6 310 69 297.4 297.4 280.3 297.6 0.05 16 372 7303 -47.5 -58.5 27 11.0 -47.7 310 71 299.4 299.4 281.1 299.5 0.04 17 346 7781 -48.6 -59.6 27 11.0 -48.8 310 73 304.2 304.2 283.1 304.3 0.04 18 344 7819 -48.7 -59.7 27 11.0 -49.0 310 73 304.6 304.6 283.2 304.7 0.04 19 300 8720 -48.1 -59.1 27 11.0 -48.4 310 62 317.6 317.6 288.0 317.7 0.04 20 294 8853 -47.3 -59.3 24 12.0 -47.6 309 60 320.5 320.5 288.9 320.7 0.04 21 250 9920 -47.7 -59.7 24 12.0 -48.1 305 46 335.2 335.2 293.2 335.4 0.05 22 200 11400 -47.5 -62.5 16 15.0 -48.0 295 36 357.6 357.6 298.2 357.7 0.04 23 150 13300 -47.1 -63.1 14 16.0 -47.9 295 31 388.9 388.9 303.6 389.2 0.05 24 148 13389 -47.1 -63.1 14 16.0 -47.9 296 31 390.4 390.4 303.9 390.7 0.05 25 112 15219 -50.9 -67.9 12 17.0 -51.6 309 25 415.7 415.7 307.2 415.9 0.04 26 100 15960 -49.3 -66.3 12 17.0 -50.2 315 23 432.5 432.5 309.1 432.7 0.05 27 70 18280 -52.3 -69.3 11 17.0 -53.2 305 23 472.5 472.5 312.8 472.8 0.05 28 50 20450 -54.1 -70.1 12 16.0 -55.1 315 19 516.0 516.0 316.1 516.4 0.06 29 30 23720 -56.3 -73.3 10 17.0 -57.6 335 25 591.2 591.2 320.2 591.6 0.06 30 25 24871 -57.7 -74.7 10 17.0 -59.0 346 15 618.8 618.8 321.5 619.2 0.06 31 20 26290 -53.5 -70.5 11 17.0 -55.8 360 3 672.4 672.5 323.6 673.6 0.14 32 19 26620 -52.9 -69.9 11 17.0 -55.4 684.2 684.3 324.0 685.6 0.16 TRP 344 7819 -48.7 -59.7 27 11.0 -49.0 310 73 304.6 304.6 283.2 304.7 0.04 WND 346 7781 -48.6 -59.6 27 11.0 -48.8 310 73 304.2 304.2 283.1 304.3 0.04 Sounding variables and indices 1000-500 mb thick: 5100.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 42.76 % Est. max temperature: -0.33 C = 31.40 F Sfc-Lift cond lev (LCL): 952.85 mb = 579.12 m = 1899.98 ft T: -5.72 C 700-500 lapse rate: 5.70 C/km ThetaE index: 2.75 C Layer 1000.0- 858.0 mb Conv cond level (CCL): 891.67 mb = 1095.49 m = 3594.08 ft Mean mixing ratio: 1.89 g/kg Conv temperature: -0.15 C = 31.72 F Cap Strength: 8.33 C Lifted Index: 9.47 C Risk: None Lifted Index @300 mb: 29.34 C Lifted Index @700 mb: 1.69 C Showalter Index: 8.36 C Risk: None Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 21.30 C K Index: -7.40 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 2.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.88 J/kg Max Up Vert Vel: 2.40 m/s Conv Inhibition (B-): 5.48 J/kg Cap Strength: 9.35 C Lift Cond Lev (LCL): 894.23 mb = 1073.36 m = 3521.47 ft Lev Free Conv (LFC): 879.23 mb = 1204.04 m = 3950.22 ft Equ Level (EL): 869.23 mb = 1292.30 m = 4239.76 ft B at Equ Level: 2.42 J/kg Max Parcel Lev (MPL): 859.23 mb = 1381.04 m = 4530.90 ft Wind level data Storm motion: 336 at 20 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 1024 11 270 5 5.0 -0.0 | 170 19 -3.3 18.4 1 1000 200 280 7 6.9 -1.2 | 175 17 -1.4 17.2 2 925 812 305 17 13.9 -9.8 | 213 10 5.6 8.7 3 850 1464 295 19 17.2 -8.0 | 221 14 8.9 10.4 4 700 2915 305 27 22.1 -15.5 | 258 14 13.8 2.9 5 500 5300 310 36 27.6 -23.1 | 284 20 19.3 -4.7 6 400 6820 310 69 52.9 -44.4 | 300 52 44.5 -25.9 7 346 7781 310 73 55.9 -46.9 | 301 55 47.6 -28.5 8 344 7819 310 73 55.9 -46.9 | 301 55 47.6 -28.5 9 300 8720 310 62 47.5 -39.9 | 299 45 39.2 -21.4 10 250 9920 305 46 37.7 -26.4 | 285 30 29.4 -8.0 11 200 11400 295 36 32.6 -15.2 | 263 25 24.3 3.2 12 150 13300 295 31 28.1 -13.1 | 255 20 19.8 5.3 13 100 15960 315 23 16.3 -16.3 | 255 8 7.9 2.1 14 70 18280 305 23 18.8 -13.2 | 244 12 10.5 5.2 15 50 20450 315 19 13.4 -13.4 | 226 7 5.1 5.0 16 30 23720 335 25 10.6 -22.7 | 332 5 2.2 -4.2 17 20 26290 360 3 -0.0 -3.0 | 152 18 -8.3 15.4 Wind Parameters Mean winds (0-6000m): 305.7 at 26.9 knts Storm direction: 335.7 at 20.2 knts Shear (0-3000m) pos: 3.9 neg: 0.5 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 89.6 deg Storm rel helicity (0-3000m) pos: 79.3 neg: 0.0 tot: 79.3 m^2/s^2 ave: 26.4 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 50.35 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 ------------------------------------------------------------------------------- 500 285 8 179 16| 7.9 0.0 7.9| 26.8 0.0 26.8 53.5 0.80| 8.0 6.4 1000 297 12 190 13| 7.0 0.0 7.0| 42.8 0.0 42.8 42.8 0.77| 7.6 5.8 1500 298 14 199 13| 4.7 0.9 5.6| 47.0 0.0 47.0 31.3 0.72| 6.0 4.3 2000 297 16 207 12| 4.3 0.7 5.0| 57.8 0.0 57.8 28.9 0.76| 5.3 4.0 2500 298 17 214 12| 4.0 0.6 4.6| 68.9 0.0 68.9 27.6 0.79| 4.8 3.8 3000 300 19 222 12| 3.9 0.5 4.3| 79.3 0.0 79.3 26.4 0.81| 4.5 3.7 4000 302 21 234 12| 3.4 0.3 3.7| 92.6 0.0 92.6 23.1 0.81| 3.9 3.2 5000 304 24 246 13| 3.1 0.3 3.4|106.7 0.0 106.7 21.3 0.81| 3.5 2.9 6000 306 27 259 14| 3.1 1.1 4.1|146.7 0.0 146.7 24.5 0.66| 4.4 2.9 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250422.12.gif