UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 16 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 1023 9 -0.5 -3.2 82 2.7 -1.5 290 7 270.9 271.4 270.4 278.8 2.95 1 1000 190 -1.5 -4.9 78 3.4 -2.7 295 13 271.6 272.1 270.5 278.9 2.65 2 925 805 -6.3 -8.7 83 2.4 -7.0 310 23 272.9 273.2 270.4 278.8 2.14 3 850 1458 -12.3 -14.7 82 2.4 -12.9 295 27 273.3 273.5 269.5 277.3 1.44 4 786 2051 -16.7 -18.7 84 2.0 -17.1 301 30 274.7 274.9 269.9 277.9 1.11 5 723 2674 -21.3 -26.1 65 4.8 -22.0 308 34 276.3 276.4 270.1 278.2 0.63 6 700 2912 -22.3 -27.3 64 5.0 -23.0 310 35 277.8 277.9 270.9 279.5 0.58 7 674 3189 -23.9 -28.9 63 5.0 -24.5 311 40 279.0 279.1 271.5 280.6 0.52 8 656 3387 -23.3 -30.3 53 7.0 -24.2 311 43 281.9 281.9 273.1 283.3 0.47 9 618 3822 -24.9 -33.9 43 9.0 -25.9 312 51 284.9 284.9 274.6 286.0 0.35 10 608 3940 -25.3 -34.3 43 9.0 -26.3 312 53 285.8 285.8 275.0 286.9 0.34 11 533 4883 -31.7 -39.7 45 8.0 -32.3 314 69 289.1 289.1 276.6 289.8 0.23 12 500 5330 -36.3 -45.3 39 9.0 -36.8 315 77 288.8 288.8 276.3 289.2 0.13 13 497 5372 -37.3 -46.3 39 9.0 -37.8 315 77 288.1 288.1 275.9 288.5 0.12 14 418 6547 -45.5 -54.5 36 9.0 -45.7 315 83 292.2 292.2 277.8 292.4 0.06 15 400 6840 -45.9 -54.9 35 9.0 -46.2 315 85 295.3 295.3 279.3 295.5 0.06 16 373 7304 -48.1 -58.1 31 10.0 -48.3 315 91 298.4 298.4 280.7 298.5 0.04 17 346 7800 -48.8 -58.8 30 10.0 -49.1 320 93 303.9 303.9 283.0 304.0 0.04 18 344 7838 -48.9 -58.9 30 10.0 -49.1 320 92 304.3 304.3 283.2 304.4 0.04 19 300 8740 -48.1 -59.1 27 11.0 -48.4 320 71 317.6 317.6 288.0 317.7 0.04 20 250 9940 -46.9 -59.9 21 13.0 -47.3 320 60 336.3 336.3 293.4 336.5 0.05 21 200 11430 -45.5 -59.5 19 14.0 -46.2 315 48 360.7 360.7 298.9 361.0 0.06 22 186 11913 -44.7 -59.7 17 15.0 -45.4 315 45 369.6 369.6 300.5 369.9 0.07 23 150 13340 -46.7 -62.7 15 16.0 -47.5 315 35 389.6 389.6 303.8 389.9 0.06 24 145 13563 -48.5 -63.5 16 15.0 -49.1 315 34 390.3 390.3 303.9 390.5 0.05 25 124 14599 -44.9 -60.9 15 16.0 -46.0 317 32 414.7 414.7 307.2 415.1 0.08 26 108 15514 -48.7 -64.7 14 16.0 -49.6 319 30 424.2 424.2 308.2 424.5 0.06 27 100 16020 -47.7 -63.7 14 16.0 -48.7 320 29 435.6 435.6 309.4 436.0 0.07 28 71 18277 -49.3 -66.3 12 17.0 -50.5 320 23 477.0 477.0 313.2 477.4 0.07 29 70 18370 -48.1 -64.1 14 16.0 -49.4 320 23 481.5 481.5 313.6 482.1 0.10 30 66 18758 -46.5 -63.5 13 17.0 -48.1 317 22 493.1 493.2 314.5 493.8 0.11 31 50 20590 -47.7 -64.7 12 17.0 -49.6 305 19 531.1 531.1 317.1 531.9 0.13 32 30 23970 -46.5 -64.5 11 18.0 -49.6 315 21 617.9 618.0 321.5 619.6 0.22 33 20 26640 -49.3 -66.3 12 17.0 -52.5 330 36 685.3 685.4 324.0 687.5 0.26 34 16 28093 -52.3 -69.3 11 17.0 -55.3 720.6 720.7 325.1 722.5 0.21 TRP 373 7304 -48.1 -58.1 31 10.0 -48.3 315 91 298.4 298.4 280.7 298.5 0.04 WND 346 7800 -48.8 -58.8 30 10.0 -49.1 320 93 303.9 303.9 283.0 304.0 0.04 Sounding variables and indices 1000-500 mb thick: 5140.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 64.15 % Est. max temperature: 1.78 C = 35.21 F Sfc-Lift cond lev (LCL): 980.64 mb = 344.19 m = 1129.22 ft T: -2.70 C 700-500 lapse rate: 5.79 C/km ThetaE index: 1.55 C Layer 925.0- 786.0 mb Conv cond level (CCL): 916.80 mb = 873.79 m = 2866.73 ft Mean mixing ratio: 2.48 g/kg Conv temperature: 1.54 C = 34.78 F Cap Strength: 9.06 C Lifted Index: 8.53 C Risk: None Lifted Index @300 mb: 27.47 C Lifted Index @700 mb: 1.23 C Showalter Index: 9.73 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.00 C Cross Totals Index: 21.60 C K Index: 4.30 Risk: None Sweat Index: 131.00 Risk: None Energy Index: 2.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.79 J/kg Max Up Vert Vel: 5.79 m/s Conv Inhibition (B-): 9.38 J/kg Cap Strength: 9.03 C Lift Cond Lev (LCL): 928.85 mb = 772.22 m = 2533.51 ft Lev Free Conv (LFC): 873.85 mb = 1244.28 m = 4082.25 ft Equ Level (EL): 743.85 mb = 2462.04 m = 8077.45 ft B at Equ Level: 16.60 J/kg Max Parcel Lev (MPL): 683.85 mb = 3082.77 m = 10113.97 ft Wind level data Storm motion: 341 at 33 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 1023 9 290 7 6.6 -2.4 | 172 29 -4.3 29.1 1 1000 190 295 13 11.8 -5.5 | 182 26 0.9 26.0 2 925 805 310 23 17.6 -14.8 | 202 18 6.7 16.7 3 850 1458 295 27 24.5 -11.4 | 214 24 13.6 20.1 4 700 2912 310 35 26.8 -22.5 | 240 18 15.9 9.0 5 500 5330 315 77 54.4 -54.4 | 298 49 43.6 -22.9 6 400 6840 315 85 60.1 -60.1 | 300 57 49.2 -28.6 7 373 7304 315 91 64.3 -64.3 | 302 63 53.5 -32.8 8 346 7800 320 93 59.8 -71.2 | 309 63 48.9 -39.7 9 300 8740 320 71 45.6 -54.4 | 303 42 34.8 -22.9 10 250 9940 320 60 38.6 -46.0 | 298 31 27.7 -14.4 11 200 11430 315 48 33.9 -33.9 | 276 23 23.1 -2.4 12 150 13340 315 35 24.7 -24.7 | 244 15 13.9 6.8 13 100 16020 320 29 18.6 -22.2 | 220 12 7.8 9.3 14 70 18370 320 23 14.8 -17.6 | 196 14 3.9 13.9 15 50 20590 305 19 15.6 -10.9 | 193 21 4.7 20.6 16 30 23970 315 21 14.8 -14.8 | 193 17 4.0 16.7 17 20 26640 330 36 18.0 -31.2 | 267 7 7.1 0.4 Wind Parameters Mean winds (0-6000m): 311.0 at 44.5 knts Storm direction: 341.0 at 33.4 knts Shear (0-3000m) pos: 4.9 neg: 0.9 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 73.8 deg Storm rel helicity (0-3000m) pos: 167.6 neg: 0.0 tot: 167.6 m^2/s^2 ave: 55.9 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.13 Bulk Shear: 130.67 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 ------------------------------------------------------------------------------- 500 298 14 183 25| 11.8 0.0 11.8| 62.3 0.0 62.3 124.6 0.77| 12.0 9.3 1000 304 18 190 22| 9.1 0.0 9.1| 89.9 0.0 89.9 89.9 0.74| 10.0 7.4 1500 302 20 197 22| 6.0 1.8 7.9|107.2 0.0 107.2 71.4 0.70| 8.5 5.9 2000 301 22 203 22| 5.4 1.4 6.8|126.6 0.0 126.6 63.3 0.72| 7.4 5.3 2500 302 24 208 21| 5.0 1.1 6.1|145.2 0.0 145.2 58.1 0.73| 6.7 4.9 3000 303 26 212 20| 4.9 0.9 5.9|167.6 0.0 167.6 55.9 0.75| 6.4 4.9 4000 306 31 226 19| 5.9 0.7 6.6|250.9 0.0 250.9 62.7 0.76| 7.1 5.4 5000 309 38 247 20| 6.5 0.5 7.1|342.2 0.0 342.2 68.4 0.71| 7.5 5.3 6000 311 44 264 23| 6.0 0.6 6.6|388.0 0.0 388.0 64.7 0.67| 7.0 4.7 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250416.12.gif