UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 20 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 1012 9 -2.5 -5.2 82 2.7 -3.4 290 5 269.7 270.1 269.1 276.7 2.56 1 1000 104 -2.3 -6.3 74 4.0 -3.6 320 13 270.9 271.2 269.5 277.4 2.38 2 993 160 -2.5 -7.5 68 5.0 -4.1 322 14 271.2 271.6 269.4 277.2 2.19 3 925 716 -7.9 -12.4 70 4.5 -9.1 340 19 271.2 271.5 268.4 275.7 1.59 4 857 1305 -12.1 -18.1 61 6.0 -13.4 349 24 272.8 273.0 268.6 275.9 1.07 5 850 1368 -12.5 -17.5 66 5.0 -13.6 350 25 273.1 273.2 268.8 276.3 1.14 6 759 2221 -19.3 -20.0 94 0.7 -19.4 327 23 274.7 274.9 269.7 277.7 1.03 7 756 2250 -19.9 -20.7 93 0.8 -20.0 326 23 274.3 274.5 269.4 277.2 0.97 8 715 2664 -19.5 -24.1 67 4.6 -20.3 314 21 279.2 279.3 272.0 281.5 0.76 9 700 2821 -20.9 -25.9 64 5.0 -21.7 310 21 279.3 279.5 271.9 281.3 0.66 10 696 2863 -21.1 -27.1 58 6.0 -22.0 310 22 279.6 279.7 271.9 281.4 0.60 11 588 4092 -27.9 -29.0 90 1.1 -28.0 302 37 285.5 285.6 275.3 287.3 0.59 12 540 4700 -31.1 -36.1 61 5.0 -31.6 298 45 288.7 288.8 276.5 289.7 0.32 13 532 4805 -31.9 -37.9 55 6.0 -32.4 298 46 289.0 289.0 276.6 289.9 0.27 14 500 5240 -35.9 -42.9 49 7.0 -36.3 295 52 289.3 289.3 276.6 289.8 0.17 15 450 5961 -41.5 -49.5 42 8.0 -41.8 295 56 291.1 291.1 277.3 291.4 0.09 16 400 6750 -45.7 -54.7 36 9.0 -46.0 295 60 295.6 295.6 279.4 295.8 0.06 17 394 6851 -45.9 -54.9 35 9.0 -46.2 300 60 296.6 296.6 279.9 296.8 0.06 18 391 6901 -46.1 -55.1 35 9.0 -46.3 300 60 297.0 297.0 280.1 297.2 0.06 19 362 7416 -44.3 -53.3 36 9.0 -44.6 300 64 306.0 306.0 283.9 306.3 0.07 20 328 8076 -45.2 -55.3 31 10.1 -45.6 300 69 313.5 313.5 286.6 313.7 0.06 21 300 8670 -46.1 -57.1 28 11.0 -46.4 300 66 320.4 320.4 288.9 320.6 0.06 22 285 9011 -47.1 -59.1 24 12.0 -47.4 299 64 323.7 323.7 289.9 323.9 0.05 23 250 9880 -46.3 -58.3 24 12.0 -46.7 295 58 337.2 337.2 293.7 337.5 0.06 24 200 11360 -45.9 -59.9 19 14.0 -46.5 295 52 360.1 360.1 298.8 360.4 0.06 25 163 12720 -46.3 -61.3 17 15.0 -47.0 299 38 381.1 381.1 302.5 381.4 0.06 26 150 13270 -47.9 -62.9 16 15.0 -48.6 300 33 387.5 387.5 303.5 387.8 0.05 27 100 15940 -50.5 -66.5 13 16.0 -51.2 310 33 430.2 430.2 308.9 430.4 0.05 28 70 18250 -51.9 -67.9 13 16.0 -52.8 320 27 473.4 473.4 313.0 473.7 0.06 29 50 20420 -53.1 -69.1 13 16.0 -54.2 320 25 518.3 518.4 316.2 518.8 0.07 30 30 23700 -54.1 -70.1 12 16.0 -55.6 355 27 597.2 597.2 320.5 597.9 0.10 31 28 24143 -54.5 -70.5 12 16.0 -56.1 356 29 607.9 608.0 321.0 608.7 0.10 32 20 26310 -52.5 -69.5 11 17.0 -55.0 360 38 675.5 675.5 323.7 676.9 0.16 33 10 30830 -48.3 -67.3 9 19.0 -53.8 5 29 839.3 839.5 328.2 843.9 0.45 34 9.9 30896 -47.3 -66.3 10 19.0 -53.2 845.4 845.7 328.4 850.9 0.52 TRP 394 6851 -45.9 -54.9 35 9.0 -46.2 300 60 296.6 296.6 279.9 296.8 0.06 WND 328 8076 -45.2 -55.3 31 10.1 -45.6 300 69 313.5 313.5 286.6 313.7 0.06 Sounding variables and indices 1000-500 mb thick: 5136.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 71.77 % Est. max temperature: 0.49 C = 32.89 F Sfc-Lift cond lev (LCL): 969.87 mb = 344.50 m = 1130.22 ft T: -4.29 C 700-500 lapse rate: 6.20 C/km ThetaE index: 1.68 C Layer 993.0- 857.0 mb Conv cond level (CCL): 880.64 mb = 1095.26 m = 3593.33 ft Mean mixing ratio: 1.93 g/kg Conv temperature: 0.05 C = 32.08 F Cap Strength: 10.91 C Lifted Index: 10.84 C Risk: None Lifted Index @300 mb: 31.17 C Lifted Index @700 mb: 4.45 C Showalter Index: 10.96 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 18.40 C K Index: 0.90 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 2.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.03 J/kg Max Up Vert Vel: 2.46 m/s Conv Inhibition (B-): 67011.89 J/kg Cap Strength: 10.88 C Lift Cond Lev (LCL): 896.23 mb = 959.85 m = 3149.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 338 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 1012 9 290 5 4.7 -1.7 | 169 21 -4.0 20.4 1 1000 104 320 13 8.4 -10.0 | 178 12 -0.4 12.2 2 925 716 340 19 6.5 -17.9 | 152 5 -2.2 4.3 3 850 1368 350 25 4.3 -24.6 | 60 5 -4.4 -2.5 4 700 2821 310 21 16.1 -13.5 | 220 11 7.3 8.6 5 500 5240 295 52 47.1 -22.0 | 270 38 38.4 0.1 6 400 6750 295 60 54.4 -25.4 | 274 46 45.6 -3.2 7 394 6851 300 60 52.0 -30.0 | 280 44 43.2 -7.9 8 328 8076 300 69 59.8 -34.5 | 284 52 51.0 -12.4 9 300 8670 300 66 57.2 -33.0 | 283 50 48.4 -10.9 10 250 9880 295 58 52.6 -24.5 | 273 44 43.8 -2.4 11 200 11360 295 52 47.1 -22.0 | 270 38 38.4 0.1 12 150 13270 300 33 28.6 -16.5 | 254 21 19.8 5.6 13 100 15940 310 33 25.3 -21.2 | 267 17 16.5 0.9 14 70 18250 320 27 17.4 -20.7 | 261 9 8.6 1.4 15 50 20420 320 25 16.1 -19.2 | 248 8 7.3 3.0 16 30 23700 355 27 2.4 -26.9 | 53 8 -6.4 -4.8 17 20 26310 360 38 -0.0 -38.0 | 29 18 -8.7 -15.9 18 10 30830 5 29 -2.5 -28.9 | 59 13 -11.3 -6.8 Wind Parameters Mean winds (0-6000m): 308.4 at 31.7 knts Storm direction: 338.4 at 23.8 knts Shear (0-3000m) pos: 3.8 neg: 2.6 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 63.1 deg Storm rel helicity (0-3000m) pos: 17.9 neg: -14.4 tot: 3.6 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: -0.18 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 47.41 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 ------------------------------------------------------------------------------- 500 326 14 175 11| 14.2 0.0 14.2| 10.9 -2.4 8.4 16.9 0.11| 14.7 1.7 1000 335 17 167 7| 9.9 0.0 9.9| 10.9 -7.8 3.1 3.1 -0.14| 10.5 -1.5 1500 340 19 151 5| 7.6 0.0 7.6| 10.9 -11.2 -0.3 -0.2 -0.25| 8.7 -2.2 2000 340 20 149 4| 5.7 1.5 7.2| 10.9 -11.4 -0.5 -0.3 -0.27| 8.2 -2.2 2500 337 21 166 3| 4.6 2.3 6.9| 10.9 -12.5 -1.6 -0.6 -0.25| 7.7 -1.9 3000 333 21 190 3| 3.8 2.6 6.4| 17.9 -14.4 3.6 1.2 -0.18| 7.4 -1.3 4000 324 23 235 6| 2.9 3.2 6.1| 52.7 -14.4 38.3 9.6 0.01| 7.3 0.1 5000 315 27 254 11| 2.3 3.9 6.2| 73.4 -14.4 59.1 11.8 0.05| 7.2 0.4 6000 308 32 261 16| 1.9 3.9 5.8| 92.6 -14.4 78.3 13.0 0.07| 6.6 0.5 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250420.00.gif