UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 25 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 1013 7 -3.3 -7.3 74 4.0 -4.6 290 7 268.9 269.2 267.8 274.8 2.18 1 1000 109 -2.1 -6.8 70 4.7 -3.7 320 13 271.0 271.4 269.5 277.3 2.29 2 993 165 -2.3 -8.3 63 6.0 -4.2 320 14 271.4 271.7 269.3 277.1 2.05 3 968 366 -4.3 -10.3 63 6.0 -6.1 320 16 271.4 271.7 268.9 276.4 1.80 4 925 722 -7.5 -11.3 74 3.8 -8.5 320 19 271.6 271.9 269.0 276.5 1.74 5 890 1021 -10.9 -13.1 84 2.2 -11.5 322 23 271.1 271.4 268.3 275.5 1.56 6 877 1134 -11.3 -13.0 87 1.7 -11.8 323 24 271.9 272.1 268.9 276.3 1.60 7 850 1374 -11.7 -17.7 61 6.0 -13.0 325 27 273.9 274.1 269.4 277.1 1.12 8 837 1492 -12.5 -21.5 47 9.0 -14.3 326 27 274.3 274.4 269.1 276.6 0.82 9 825 1602 -13.3 -23.3 43 10.0 -15.2 327 26 274.5 274.7 269.1 276.6 0.71 10 723 2589 -22.1 -27.1 64 5.0 -22.8 333 24 275.5 275.5 269.4 277.2 0.57 11 700 2826 -22.7 -27.7 64 5.0 -23.4 335 23 277.3 277.4 270.5 279.0 0.56 12 575 4241 -31.5 -36.4 62 4.9 -31.9 300 27 283.1 283.1 273.5 284.0 0.30 13 538 4709 -32.7 -37.7 61 5.0 -33.1 288 28 287.1 287.1 275.6 288.0 0.28 14 500 5220 -36.7 -41.4 62 4.7 -37.0 275 29 288.3 288.3 276.1 289.0 0.20 15 438 6124 -44.1 -47.9 66 3.8 -44.2 269 30 290.0 290.1 276.9 290.4 0.11 16 417 6453 -45.9 -49.3 68 3.4 -46.0 267 31 291.8 291.9 277.7 292.2 0.10 17 400 6730 -47.5 -50.9 68 3.4 -47.6 265 31 293.3 293.3 278.4 293.6 0.09 18 366 7312 -51.5 -54.8 68 3.3 -51.6 261 33 295.5 295.5 279.4 295.7 0.06 19 357 7473 -51.9 -55.4 66 3.5 -52.0 260 33 297.0 297.1 280.1 297.3 0.06 20 310 8387 -52.1 -56.5 59 4.4 -52.2 264 35 309.0 309.0 285.0 309.2 0.06 21 300 8600 -51.5 -56.0 58 4.5 -51.6 265 35 312.8 312.8 286.4 313.0 0.06 22 250 9800 -46.9 -53.9 45 7.0 -47.2 270 31 336.3 336.4 293.5 336.7 0.10 23 224 10528 -45.5 -53.5 40 8.0 -45.9 268 32 349.2 349.2 296.5 349.7 0.12 24 200 11280 -46.1 -56.1 31 10.0 -46.6 265 33 359.8 359.8 298.7 360.2 0.10 25 150 13190 -46.1 -59.1 22 13.0 -46.9 270 31 390.6 390.6 303.9 391.0 0.09 26 100 15850 -50.3 -64.3 18 14.0 -51.0 280 19 430.5 430.6 308.9 430.9 0.07 27 70 18170 -52.5 -67.5 15 15.0 -53.4 270 9 472.1 472.1 312.8 472.4 0.06 28 50 20330 -54.3 -69.3 14 15.0 -55.2 310 9 515.5 515.5 316.1 515.9 0.07 29 34 22797 -56.5 -71.5 13 15.0 -57.6 41 11 569.8 569.9 319.2 570.4 0.07 30 31 23388 -53.5 -69.5 13 16.0 -55.1 62 11 593.2 593.2 320.3 594.0 0.11 31 30 23600 -53.3 -69.3 13 16.0 -54.9 70 11 599.3 599.4 320.6 600.2 0.11 32 21 25895 -52.5 -68.5 13 16.0 -54.8 74 25 666.1 666.2 323.3 667.6 0.18 33 20 26210 -51.5 -68.5 11 17.0 -54.2 75 27 678.5 678.6 323.8 680.1 0.19 34 12 29585 -43.7 -61.7 12 18.0 -50.2 812.9 813.3 327.7 820.9 0.79 TRP 357 7473 -51.9 -55.4 66 3.5 -52.0 260 33 297.0 297.1 280.1 297.3 0.06 WND Sounding variables and indices 1000-500 mb thick: 5111.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 62.66 % Est. max temperature: 0.77 C = 33.38 F Sfc-Lift cond lev (LCL): 951.09 mb = 504.25 m = 1654.35 ft T: -5.54 C 700-500 lapse rate: 5.85 C/km ThetaE index: 0.98 C Layer 890.0- 877.0 mb Conv cond level (CCL): 891.23 mb = 1010.07 m = 3313.83 ft Mean mixing ratio: 1.89 g/kg Conv temperature: -0.99 C = 30.23 F Cap Strength: 9.35 C Lifted Index: 9.98 C Risk: None Lifted Index @300 mb: 25.71 C Lifted Index @700 mb: 2.65 C Showalter Index: 9.51 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 19.00 C K Index: 2.30 Risk: None Sweat Index: 83.00 Risk: None Energy Index: 2.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.00 J/kg Max Up Vert Vel: 3.16 m/s Conv Inhibition (B-): 61311.46 J/kg Cap Strength: 9.84 C Lift Cond Lev (LCL): 889.56 mb = 1024.61 m = 3361.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 19 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 1013 7 290 7 6.6 -2.4 | 178 15 -0.6 14.7 1 1000 109 320 13 8.4 -10.0 | 189 7 1.2 7.1 2 925 722 320 19 12.2 -14.6 | 243 6 5.0 2.5 3 850 1374 325 27 15.5 -22.1 | 301 10 8.3 -5.0 4 700 2826 335 23 9.7 -20.8 | 326 5 2.5 -3.8 5 500 5220 275 29 28.9 -2.5 | 236 26 21.7 14.6 6 400 6730 265 31 30.9 2.7 | 230 31 23.7 19.8 7 357 7473 260 33 32.5 5.7 | 228 34 25.3 22.8 8 300 8600 265 35 34.9 3.1 | 234 34 27.7 20.1 9 250 9800 270 31 31.0 -0.0 | 234 29 23.8 17.1 10 200 11280 265 33 32.9 2.9 | 232 33 25.7 20.0 11 150 13190 270 31 31.0 -0.0 | 234 29 23.8 17.1 12 100 15850 280 19 18.7 -3.3 | 220 18 11.5 13.8 13 70 18170 270 9 9.0 -0.0 | 186 17 1.8 17.1 14 50 20330 310 9 6.9 -5.8 | 179 11 -0.3 11.3 15 30 23600 70 11 -10.3 -3.8 | 127 22 -17.5 13.3 16 20 26210 75 27 -26.1 -7.0 | 107 35 -33.3 10.1 Wind Parameters Mean winds (0-6000m): 307.2 at 24.7 knts Storm direction: 337.2 at 18.5 knts Shear (0-3000m) pos: 3.3 neg: 0.2 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 129.5 deg Storm rel helicity (0-3000m) pos: 32.5 neg: -2.1 tot: 30.5 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.29 Bulk Shear: 17.17 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 ------------------------------------------------------------------------------- 500 319 14 197 7| 11.7 0.0 11.7| 11.5 0.0 11.5 23.1 0.49| 12.0 5.9 1000 320 17 220 6| 8.7 0.0 8.7| 20.0 0.0 20.0 20.0 0.65| 8.9 5.8 1500 322 20 251 5| 7.3 0.0 7.3| 27.9 0.0 27.9 18.6 0.67| 7.7 5.1 2000 324 21 270 5| 5.2 0.0 5.2| 30.0 0.0 30.0 15.0 0.65| 6.3 4.1 2500 325 22 280 5| 4.0 0.0 4.0| 31.7 0.0 31.7 12.7 0.64| 5.5 3.5 3000 327 22 286 5| 3.3 0.2 3.5| 32.5 -2.1 30.5 10.2 0.54| 5.1 2.7 4000 324 23 283 6| 2.5 1.5 4.0| 32.5 -19.2 13.4 3.3 0.22| 5.2 1.2 5000 316 24 270 9| 2.0 2.4 4.4| 32.5 -55.1 -22.5 -4.5 0.04| 5.4 0.2 6000 307 25 260 13| 1.7 2.5 4.1| 32.5 -77.3 -44.8 -7.5 -0.02| 5.0 -0.1 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250425.00.gif