UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 30 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 1008 11 -1.1 -5.1 74 4.0 -2.5 290 9 271.4 271.9 270.2 278.5 2.59 1 1000 74 -1.3 -6.3 69 5.0 -3.0 300 11 271.9 272.2 270.1 278.4 2.38 2 925 688 -7.1 -9.7 82 2.6 -7.9 315 19 272.0 272.4 269.6 277.5 1.98 3 875 1118 -11.7 -14.8 78 3.1 -12.5 325 22 271.6 271.9 268.4 275.5 1.38 4 850 1339 -13.3 -16.3 78 3.0 -14.0 330 23 272.2 272.4 268.5 275.8 1.26 5 769 2093 -18.9 -21.1 83 2.2 -19.3 327 20 274.1 274.2 269.1 276.8 0.92 6 757 2211 -19.1 -21.1 84 2.0 -19.5 327 19 275.1 275.3 269.8 277.8 0.94 7 744 2340 -19.1 -22.8 72 3.7 -19.7 327 19 276.5 276.6 270.5 278.9 0.82 8 703 2760 -21.7 -27.7 58 6.0 -22.5 325 17 278.1 278.2 271.0 279.8 0.56 9 700 2791 -22.1 -28.1 58 6.0 -22.9 325 17 278.0 278.1 270.9 279.6 0.54 10 500 5190 -36.1 -42.1 54 6.0 -36.5 335 23 289.0 289.1 276.5 289.7 0.19 11 478 5502 -37.7 -43.7 53 6.0 -38.1 336 24 290.8 290.8 277.3 291.4 0.17 12 400 6710 -46.7 -52.7 50 6.0 -46.9 340 27 294.3 294.3 278.9 294.6 0.07 13 345 7675 -54.1 -60.1 48 6.0 -54.2 345 27 297.0 297.0 280.0 297.1 0.03 14 300 8580 -49.7 -55.7 49 6.0 -49.9 320 19 315.3 315.3 287.3 315.6 0.07 15 250 9780 -46.1 -55.1 35 9.0 -46.5 310 21 337.5 337.5 293.8 337.9 0.09 16 246 9888 -45.9 -54.9 35 9.0 -46.3 310 21 339.4 339.4 294.3 339.8 0.09 17 200 11270 -45.7 -58.7 22 13.0 -46.3 305 15 360.4 360.4 298.8 360.7 0.07 18 150 13180 -47.9 -62.9 16 15.0 -48.6 300 13 387.5 387.5 303.5 387.8 0.05 19 100 15860 -48.3 -64.3 14 16.0 -49.3 265 5 434.4 434.4 309.3 434.8 0.07 20 70 18200 -48.1 -65.1 12 17.0 -49.4 195 5 481.5 481.5 313.6 482.0 0.09 21 51 20299 -46.7 -64.7 11 18.0 -48.7 204 5 530.4 530.4 317.0 531.2 0.12 22 50 20430 -47.3 -65.3 11 18.0 -49.3 205 5 532.0 532.0 317.1 532.8 0.12 23 30 23790 -50.5 -68.5 10 18.0 -52.7 185 13 607.0 607.0 321.0 607.9 0.13 24 29 24010 -50.7 -68.7 10 18.0 -52.9 184 12 612.3 612.4 321.2 613.3 0.13 25 24 25250 -47.5 -65.5 11 18.0 -50.8 177 9 655.7 655.8 323.0 657.6 0.24 26 20 26450 -48.5 -67.5 9 19.0 -52.1 170 5 687.7 687.8 324.1 689.6 0.22 27 13 29297 -46.5 -65.5 10 19.0 -51.9 784.8 785.0 327.0 789.1 0.44 TRP 345 7675 -54.1 -60.1 48 6.0 -54.2 345 27 297.0 297.0 280.0 297.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5116.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 66.55 % Est. max temperature: -0.50 C = 31.09 F Sfc-Lift cond lev (LCL): 946.75 mb = 504.99 m = 1656.77 ft T: -5.37 C 700-500 lapse rate: 5.84 C/km ThetaE index: 2.97 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 904.59 mb = 860.47 m = 2823.04 ft Mean mixing ratio: 2.15 g/kg Conv temperature: -0.64 C = 30.85 F Cap Strength: 2.30 C Lifted Index: 9.52 C Risk: None Lifted Index @300 mb: 26.57 C Lifted Index @700 mb: 2.20 C Showalter Index: 11.17 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 19.80 C K Index: 0.50 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 2.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.70 J/kg Max Up Vert Vel: 7.71 m/s Conv Inhibition (B-): 0.60 J/kg Cap Strength: 9.37 C Lift Cond Lev (LCL): 903.77 mb = 867.52 m = 2846.17 ft Lev Free Conv (LFC): 898.77 mb = 910.40 m = 2986.86 ft Equ Level (EL): 758.77 mb = 2193.29 m = 7195.75 ft B at Equ Level: 28.67 J/kg Max Parcel Lev (MPL): 708.77 mb = 2699.00 m = 8854.89 ft Wind level data Storm motion: 359 at 15 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 1008 11 290 9 8.5 -3.1 | 214 14 8.1 12.0 1 1000 74 300 11 9.5 -5.5 | 224 13 9.1 9.6 2 925 688 315 19 13.4 -13.4 | 263 13 13.1 1.6 3 850 1339 330 23 11.5 -19.9 | 294 12 11.1 -4.8 4 700 2791 325 17 9.8 -13.9 | 263 9 9.4 1.1 5 500 5190 335 23 9.7 -20.8 | 302 11 9.3 -5.8 6 400 6710 340 27 9.2 -25.4 | 319 14 8.9 -10.3 7 345 7675 345 27 7.0 -26.1 | 329 13 6.6 -11.0 8 300 8580 320 19 12.2 -14.6 | 268 12 11.8 0.5 9 250 9780 310 21 16.1 -13.5 | 264 16 15.7 1.6 10 200 11270 305 15 12.3 -8.6 | 241 14 11.9 6.5 11 150 13180 300 13 11.3 -6.5 | 232 14 10.9 8.6 12 100 15860 265 5 5.0 0.4 | 197 16 4.6 15.5 13 70 18200 195 5 1.3 4.8 | 183 20 0.9 19.9 14 50 20430 205 5 2.1 4.5 | 185 20 1.7 19.6 15 30 23790 185 13 1.1 13.0 | 182 28 0.8 28.0 16 20 26450 170 5 -0.9 4.9 | 176 20 -1.2 20.0 Wind Parameters Mean winds (0-6000m): 328.6 at 20.1 knts Storm direction: 358.6 at 15.1 knts Shear (0-3000m) pos: 2.8 neg: 0.8 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 52.8 deg Storm rel helicity (0-3000m) pos: 62.2 neg: -14.7 tot: 47.4 m^2/s^2 ave: 15.8 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.53 Bulk Shear: 11.74 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 ------------------------------------------------------------------------------- 500 305 13 235 13| 9.1 0.0 9.1| 30.2 0.0 30.2 60.3 0.97| 9.1 8.9 1000 313 16 251 12| 7.3 0.0 7.3| 50.2 0.0 50.2 50.2 0.98| 7.6 7.4 1500 319 18 264 12| 5.6 0.0 5.6| 60.8 -1.1 59.6 39.8 0.93| 6.4 6.0 2000 322 19 269 11| 4.2 0.6 4.8| 60.8 -6.6 54.1 27.1 0.74| 5.4 4.0 2500 323 19 271 11| 3.4 0.9 4.3| 60.8 -12.0 48.8 19.5 0.59| 4.7 2.8 3000 323 19 270 11| 2.8 0.8 3.6| 62.2 -14.7 47.4 15.8 0.53| 4.2 2.2 4000 325 19 271 11| 2.5 0.6 3.1| 69.4 -14.7 54.6 13.7 0.57| 3.5 2.0 5000 327 19 276 10| 2.3 0.5 2.8| 77.0 -14.7 62.3 12.5 0.61| 3.1 1.9 6000 329 20 282 10| 2.1 0.4 2.6| 84.7 -14.7 70.0 11.7 0.63| 2.9 1.8 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250430.12.gif