UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 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 1016 6 -2.9 -5.4 83 2.5 -3.7 315 7 269.0 269.4 268.5 275.8 2.51 1 1000 132 -2.3 -5.2 80 2.9 -3.3 340 19 270.9 271.3 269.8 277.9 2.59 2 996 164 -2.3 -6.5 73 4.2 -3.7 340 19 271.2 271.5 269.7 277.6 2.35 3 960 454 -5.1 -10.1 68 5.0 -6.6 340 21 271.2 271.5 268.8 276.3 1.84 4 925 744 -7.9 -11.6 75 3.7 -8.9 340 23 271.2 271.5 268.6 276.0 1.70 5 890 1042 -10.9 -12.4 89 1.5 -11.3 333 25 271.1 271.4 268.5 275.7 1.65 6 884 1095 -10.5 -12.0 89 1.5 -10.9 332 25 272.1 272.4 269.2 276.9 1.72 7 872 1200 -9.7 -11.9 84 2.2 -10.3 330 26 274.0 274.3 270.5 278.9 1.76 8 868 1236 -9.7 -17.7 52 8.0 -11.5 329 26 274.3 274.5 269.6 277.5 1.09 9 850 1397 -11.5 -21.5 43 10.0 -13.5 325 27 274.1 274.2 269.0 276.5 0.81 10 814 1727 -14.7 -20.7 60 6.0 -15.9 324 27 274.1 274.3 269.1 276.7 0.90 11 800 1858 -15.1 -20.1 66 5.0 -16.1 323 27 275.1 275.2 269.8 277.9 0.97 12 700 2853 -22.5 -37.5 24 15.0 -24.0 320 27 277.6 277.6 270.1 278.3 0.22 13 688 2979 -23.3 -39.3 22 16.0 -24.8 319 28 278.1 278.1 270.3 278.6 0.18 14 651 3380 -26.9 -41.9 23 15.0 -28.0 318 31 278.4 278.4 270.5 278.9 0.15 15 583 4173 -27.7 -41.7 25 14.0 -28.8 315 37 286.4 286.4 275.1 287.0 0.17 16 500 5260 -34.5 -43.5 40 9.0 -35.1 310 46 291.0 291.0 277.4 291.5 0.16 17 497 5302 -34.5 -43.5 40 9.0 -35.1 310 46 291.5 291.5 277.7 292.0 0.16 18 406 6672 -48.1 -55.1 44 7.0 -48.3 305 46 291.2 291.2 277.4 291.4 0.05 19 400 6770 -48.7 -54.7 50 6.0 -48.8 305 46 291.7 291.7 277.6 291.9 0.06 20 373 7228 -51.7 -57.7 49 6.0 -51.8 305 46 293.6 293.6 278.5 293.8 0.04 21 372 7246 -51.7 -57.7 49 6.0 -51.8 305 46 293.8 293.8 278.6 294.0 0.04 22 346 7721 -49.1 -55.1 50 6.0 -49.3 307 47 303.5 303.5 282.9 303.7 0.06 23 309 8472 -45.3 -53.3 40 8.0 -45.6 309 48 318.8 318.8 288.5 319.1 0.09 24 300 8670 -45.3 -54.3 36 9.0 -45.6 310 48 321.5 321.5 289.3 321.8 0.08 25 250 9890 -43.7 -55.7 25 12.0 -44.3 300 42 341.1 341.1 294.7 341.4 0.08 26 218 10811 -43.3 -58.3 18 15.0 -44.0 297 41 355.3 355.4 297.8 355.6 0.07 27 200 11390 -43.7 -59.7 15 16.0 -44.5 295 40 363.6 363.6 299.4 363.8 0.06 28 194 11594 -43.5 -59.5 15 16.0 -44.3 296 40 367.1 367.1 300.1 367.4 0.06 29 150 13310 -44.9 -62.9 12 18.0 -45.9 300 36 392.7 392.7 304.2 393.0 0.05 30 134 14057 -48.3 -65.3 12 17.0 -49.0 300 33 399.5 399.5 305.2 399.7 0.04 31 100 15980 -48.7 -66.7 11 18.0 -49.7 300 27 433.6 433.6 309.3 433.9 0.05 32 71 18246 -46.3 -65.3 10 19.0 -47.9 324 23 483.4 483.4 313.8 483.9 0.08 33 70 18340 -46.5 -65.5 10 19.0 -48.1 325 23 484.9 484.9 313.9 485.4 0.08 34 50 20560 -46.7 -65.7 10 19.0 -48.8 310 11 533.4 533.5 317.2 534.2 0.11 35 43 21557 -48.3 -68.3 8 20.0 -50.4 309 14 553.0 553.0 318.3 553.6 0.09 36 37 22555 -44.7 -64.7 9 20.0 -47.9 307 17 586.5 586.6 320.0 587.8 0.17 37 30 23950 -47.5 -67.5 8 20.0 -50.4 305 21 615.1 615.2 321.3 616.3 0.14 38 20 26630 -46.9 -67.9 7 21.0 -51.0 330 31 692.6 692.7 324.3 694.4 0.21 39 16 28106 -47.7 -68.7 7 21.0 -52.2 735.7 735.8 325.6 737.8 0.23 TRP 373 7228 -51.7 -57.7 49 6.0 -51.8 305 46 293.6 293.6 278.5 293.8 0.04 WND Sounding variables and indices 1000-500 mb thick: 5128.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 44.64 % Est. max temperature: 2.41 C = 36.33 F Sfc-Lift cond lev (LCL): 976.72 mb = 317.94 m = 1043.09 ft T: -3.79 C 700-500 lapse rate: 4.99 C/km ThetaE index: 2.46 C Layer 868.0- 814.0 mb Conv cond level (CCL): 904.08 mb = 921.01 m = 3021.64 ft Mean mixing ratio: 2.03 g/kg Conv temperature: -0.74 C = 30.67 F Cap Strength: 9.16 C Lifted Index: 12.12 C Risk: None Lifted Index @300 mb: 31.85 C Lifted Index @700 mb: 2.76 C Showalter Index: 12.24 C Risk: None Total Totals Index: 36.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 13.00 C K Index: -13.50 Risk: None Sweat Index: 100.00 Risk: None Energy Index: 3.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.86 J/kg Max Up Vert Vel: 3.12 m/s Conv Inhibition (B-): 69975.12 J/kg Cap Strength: 11.89 C Lift Cond Lev (LCL): 906.34 mb = 901.71 m = 2958.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 348 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 1016 6 315 7 4.9 -4.9 | 179 19 -0.2 18.7 1 1000 132 340 19 6.5 -17.9 | 193 6 1.4 5.8 2 925 744 340 23 7.9 -21.6 | 233 3 2.7 2.1 3 850 1397 325 27 15.5 -22.1 | 261 10 10.4 1.6 4 700 2853 320 27 17.4 -20.7 | 256 13 12.2 3.0 5 500 5260 310 46 35.2 -29.6 | 281 31 30.1 -5.9 6 400 6770 305 46 37.7 -26.4 | 275 33 32.5 -2.7 7 373 7228 305 46 37.7 -26.4 | 275 33 32.5 -2.7 8 300 8670 310 48 36.8 -30.9 | 283 32 31.6 -7.2 9 250 9890 300 42 36.4 -21.0 | 265 31 31.2 2.7 10 200 11390 295 40 36.3 -16.9 | 258 32 31.1 6.8 11 150 13310 300 36 31.2 -18.0 | 258 27 26.0 5.7 12 100 15980 300 27 23.4 -13.5 | 241 21 18.2 10.2 13 70 18340 325 23 13.2 -18.8 | 239 9 8.1 4.8 14 50 20560 310 11 8.4 -7.1 | 191 17 3.3 16.6 15 30 23950 305 21 17.2 -12.0 | 226 17 12.1 11.6 16 20 26630 330 31 15.5 -26.8 | 287 11 10.4 -3.2 Wind Parameters Mean winds (0-6000m): 317.8 at 32.3 knts Storm direction: 347.8 at 24.2 knts Shear (0-3000m) pos: 2.6 neg: 1.9 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 80.8 deg Storm rel helicity (0-3000m) pos: 20.4 neg: -3.0 tot: 17.4 m^2/s^2 ave: 5.8 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 36.10 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 ------------------------------------------------------------------------------- 500 339 18 193 7| 15.8 0.0 15.8| 12.3 0.0 12.3 24.7 0.31| 16.1 5.0 1000 339 21 209 5| 7.9 2.0 10.0| 15.6 0.0 15.6 15.6 0.39| 10.3 4.1 1500 334 23 234 6| 5.3 2.9 8.2| 17.4 -0.2 17.2 11.5 0.35| 8.6 3.0 2000 331 24 245 7| 4.0 2.3 6.3| 17.4 -1.2 16.1 8.1 0.33| 6.6 2.2 2500 329 24 249 8| 3.2 2.0 5.1| 17.4 -2.3 15.0 6.0 0.30| 5.5 1.7 3000 328 25 252 9| 2.6 1.9 4.5| 20.4 -3.0 17.4 5.8 0.31| 4.9 1.5 4000 324 27 259 11| 2.0 2.4 4.4| 39.0 -3.0 36.0 9.0 0.36| 4.7 1.7 5000 321 29 266 14| 1.6 2.8 4.4| 52.2 -3.0 49.2 9.8 0.34| 4.6 1.6 6000 318 32 271 17| 1.3 2.6 3.9| 53.9 -16.9 37.0 6.2 0.28| 4.2 1.2 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250416.00.gif