UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 18 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 1007 9 0.4 -1.2 89 1.6 -0.2 135 7 273.0 273.6 272.5 282.4 3.47 1 1000 65 0.4 -1.5 87 1.9 -0.3 145 11 273.5 274.1 272.8 282.8 3.42 2 988 162 0.0 -1.9 87 1.9 -0.7 274.1 274.7 273.1 283.3 3.36 3 963 368 2.8 1.7 92 1.1 2.3 278.9 279.7 277.3 291.3 4.49 4 925 695 3.8 2.3 90 1.5 3.1 240 13 283.2 284.0 279.9 296.8 4.88 5 911 819 5.2 4.0 92 1.2 4.6 285.9 286.8 282.0 301.6 5.60 6 850 1383 2.6 1.0 89 1.6 1.8 265 25 288.9 289.7 282.5 302.7 4.84 7 805 1821 0.2 -2.2 84 2.4 -0.9 290.8 291.6 282.4 302.6 4.04 8 760 2278 -4.3 -5.0 95 0.7 -4.6 290.8 291.4 281.7 300.9 3.47 9 748 2404 -4.3 -4.8 96 0.5 -4.5 292.1 292.8 282.4 302.6 3.58 10 739 2499 -4.9 -6.6 88 1.7 -5.5 292.5 293.0 282.1 301.8 3.15 11 715 2760 -3.5 -11.5 54 8.0 -6.3 296.8 297.2 282.8 303.6 2.22 12 700 2927 -4.5 -13.5 49 9.0 -7.5 285 40 297.5 297.9 282.8 303.4 1.93 13 590 4252 -12.9 -15.0 84 2.1 -13.5 302.6 303.0 284.9 309.0 2.02 14 573 4474 -14.7 -16.9 83 2.2 -15.3 303.1 303.4 284.8 308.7 1.78 15 500 5490 -22.7 -26.2 73 3.5 -23.4 300 56 305.4 305.5 284.7 308.3 0.90 16 492 5608 -23.9 -27.3 73 3.4 -24.5 305.3 305.5 284.6 308.1 0.83 17 452 6223 -27.1 -33.1 57 6.0 -27.9 308.8 308.9 285.5 310.6 0.52 18 450 6254 -27.3 -33.3 57 6.0 -28.1 308.9 309.0 285.5 310.7 0.51 19 400 7090 -34.3 -39.2 61 4.9 -34.8 300 64 310.4 310.5 285.9 311.5 0.32 20 386 7339 -35.9 -40.7 61 4.8 -36.3 311.5 311.5 286.2 312.5 0.28 21 380 7447 -38.7 -43.3 62 4.6 -39.0 309.2 309.2 285.3 310.0 0.22 22 358 7855 -40.9 -45.0 65 4.1 -41.2 311.6 311.6 286.1 312.3 0.19 23 326 8486 -46.3 -52.3 51 6.0 -46.5 312.6 312.6 286.4 312.9 0.09 24 319 8629 -49.1 -55.1 50 6.0 -49.3 310.6 310.7 285.7 310.9 0.07 25 300 9030 -52.1 -58.1 48 6.0 -52.2 295 73 311.9 311.9 286.1 312.1 0.05 26 276 9563 -55.5 -61.5 47 6.0 -55.6 314.5 314.5 287.0 314.7 0.04 27 260 9938 -60.7 -66.2 48 5.5 -60.7 305 77 312.3 312.4 286.2 312.4 0.02 28 250 10180 -62.3 -68.3 44 6.0 -62.4 300 75 313.4 313.4 286.6 313.5 0.02 29 248 10230 -62.5 -68.5 44 6.0 -62.6 300 75 313.9 313.9 286.7 313.9 0.02 30 246 10280 -62.5 -68.5 44 6.0 -62.6 300 74 314.6 314.6 286.9 314.7 0.02 31 227 10777 -61.5 -67.5 45 6.0 -61.6 304 64 323.4 323.4 289.8 323.5 0.02 32 213 11178 -55.5 -61.5 47 6.0 -55.6 307 56 338.7 338.7 294.0 338.9 0.05 33 200 11580 -55.1 -61.1 47 6.0 -55.2 310 48 345.5 345.5 295.7 345.7 0.05 34 171 12585 -52.7 -59.7 42 7.0 -52.9 313 45 365.3 365.3 299.8 365.6 0.07 35 150 13430 -52.9 -61.9 33 9.0 -53.2 315 42 378.9 378.9 302.1 379.2 0.06 36 100 16050 -52.9 -64.9 22 12.0 -53.4 320 33 425.5 425.5 308.4 425.8 0.06 37 70 18350 -51.3 -65.3 17 14.0 -52.2 330 29 474.6 474.7 313.1 475.1 0.08 38 68 18538 -50.9 -64.9 17 14.0 -51.9 330 29 479.5 479.5 313.4 480.0 0.09 39 50 20530 -51.9 -67.9 13 16.0 -53.1 325 31 521.2 521.2 316.4 521.7 0.08 40 42 21656 -53.5 -69.5 13 16.0 -54.7 335 30 543.9 543.9 317.8 544.4 0.08 41 30 23830 -51.9 -68.9 11 17.0 -53.8 355 29 603.2 603.2 320.8 604.0 0.12 42 24 25276 -51.1 -69.1 10 18.0 -53.6 352 34 645.2 645.3 322.6 646.4 0.14 43 21 26137 -54.1 -71.1 11 17.0 -56.2 351 37 661.3 661.3 323.2 662.3 0.12 44 20 26450 -53.3 -70.3 11 17.0 -55.6 350 38 673.0 673.1 323.6 674.3 0.15 45 10 30942 -50.5 -69.5 9 19.0 -55.3 831.0 831.2 328.1 834.4 0.33 TRP 248 10230 -62.5 -68.5 44 6.0 -62.6 300 75 313.9 313.9 286.7 313.9 0.02 WND 260 305 77 Sounding variables and indices 1000-500 mb thick: 5425.00 m Freezing level: 803.00 mb = 1841.35 m = 6041.12 ft Wetbulb zero: Below ground Precipitable water: 0.68 inches Sfc-500 mean rel hum: 79.61 % Est. max temperature: 15.94 C = 60.69 F Sfc-Lift cond lev (LCL): 982.08 mb = 210.30 m = 689.94 ft T: 0.66 C 700-500 lapse rate: 7.10 C/km ThetaE index: 1.78 C Layer 805.0- 748.0 mb Conv cond level (CCL): 1000.00 mb = 65.00 m = 213.25 ft Mean mixing ratio: 4.38 g/kg Conv temperature: 2.44 C = 36.39 F Cap Strength: 11.98 C Lifted Index: 12.50 C Risk: None Lifted Index @300 mb: 14.56 C Lifted Index @700 mb: 10.19 C Showalter Index: 4.38 C Risk: None Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 23.70 C K Index: 17.30 Risk: < 20 % chance of thunderstorms Sweat Index: 118.00 Risk: None Energy Index: 1.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.60 J/kg Max Up Vert Vel: 10.16 m/s Conv Inhibition (B-): 60966.15 J/kg Cap Strength: 12.44 C Lift Cond Lev (LCL): 936.54 mb = 594.41 m = 1950.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 260 10843 305 77 63.1 -44.2 1 1007 9 135 7 -4.9 4.9 2 1000 65 145 11 -6.3 9.0 3 925 695 240 13 11.3 6.5 4 850 1383 265 25 24.9 2.2 5 700 2927 285 40 38.6 -10.4 6 500 5490 300 56 48.5 -28.0 7 400 7090 300 64 55.4 -32.0 8 300 9030 295 73 66.2 -30.9 9 250 10180 300 75 65.0 -37.5 10 248 10230 300 75 65.0 -37.5 11 200 11580 310 48 36.8 -30.9 12 150 13430 315 42 29.7 -29.7 13 100 16050 320 33 21.2 -25.3 14 70 18350 330 29 14.5 -25.1 15 50 20530 325 31 17.8 -25.4 16 30 23830 355 29 2.5 -28.9 17 20 26450 350 38 6.6 -37.4 Wind Parameters Energy-Hel index: -3.22 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250418.12.gif