UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U0046... Searching the city database file for: U0046 ... Date:0000Z 27 APR 25 Station: U0046 WMO ident: 20046 Latitude: 80.62 Longitude: 58.05 ------------------------------------------------------------------------------- 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 1018 26 -14.5 -16.2 87 1.7 -14.8 180 1 257.3 257.5 257.2 260.2 1.06 1 1000 162 -10.7 -14.1 76 3.4 -11.5 110 5 262.5 262.7 261.7 265.9 1.28 2 925 758 -10.9 -16.9 61 6.0 -12.2 350 15 268.2 268.3 265.5 271.2 1.10 3 898 986 -11.5 -18.5 56 7.0 -13.0 346 14 269.8 270.0 266.4 272.6 0.99 4 850 1405 -13.9 -18.9 66 5.0 -14.9 340 13 271.6 271.8 267.7 274.5 1.01 5 780 2054 -17.7 -23.7 59 6.0 -18.7 340 12 274.3 274.4 268.9 276.4 0.72 6 724 2608 -21.1 -30.1 44 9.0 -22.2 340 11 276.4 276.5 269.8 277.8 0.43 7 700 2857 -21.9 -30.9 44 9.0 -23.0 340 11 278.2 278.3 270.8 279.5 0.42 8 680 3069 -21.9 -30.9 44 9.0 -23.1 352 12 280.5 280.6 272.2 281.9 0.43 9 534 4807 -31.3 -47.3 19 16.0 -32.3 97 22 289.4 289.4 276.5 289.7 0.10 10 500 5270 -32.9 -44.9 29 12.0 -33.7 125 25 292.9 293.0 278.3 293.4 0.14 11 463 5808 -36.1 -46.1 35 10.0 -36.7 127 27 295.4 295.5 279.5 295.9 0.13 12 425 6398 -39.5 -48.5 38 9.0 -39.9 129 29 298.4 298.5 280.8 298.8 0.11 13 408 6676 -42.3 -51.3 37 9.0 -42.6 130 30 298.3 298.3 280.7 298.6 0.08 14 400 6810 -42.7 -51.7 37 9.0 -43.0 130 31 299.5 299.5 281.3 299.8 0.08 15 350 7699 -50.3 -59.3 34 9.0 -50.5 128 35 300.9 300.9 281.8 301.0 0.04 16 300 8700 -53.3 -62.3 33 9.0 -53.5 125 40 310.2 310.2 285.4 310.3 0.03 17 286 9007 -53.5 -62.5 33 9.0 -53.7 124 37 314.2 314.2 286.8 314.3 0.03 18 250 9880 -48.9 -59.9 27 11.0 -49.2 120 27 333.4 333.4 292.7 333.6 0.05 19 225 10576 -46.1 -58.1 24 12.0 -46.6 118 25 347.9 347.9 296.2 348.1 0.07 20 200 11360 -45.9 -59.9 19 14.0 -46.5 115 23 360.1 360.1 298.8 360.4 0.06 21 182 11989 -46.1 -62.1 15 16.0 -46.8 117 21 369.6 369.6 300.5 369.8 0.05 22 157 12975 -45.1 -63.1 12 18.0 -46.0 119 18 387.3 387.3 303.4 387.5 0.05 23 150 13280 -45.7 -63.7 11 18.0 -46.6 120 17 391.3 391.3 304.0 391.5 0.05 24 129 14281 -45.9 -63.9 11 18.0 -46.9 116 18 408.2 408.2 306.3 408.5 0.05 25 100 15970 -46.1 -65.1 10 19.0 -47.3 110 19 438.7 438.7 309.8 439.0 0.06 26 98 16105 -46.3 -65.3 10 19.0 -47.6 110 19 440.8 440.8 310.0 441.1 0.06 27 82 17288 -47.3 -68.3 7 21.0 -48.7 110 16 461.8 461.8 312.0 462.1 0.05 28 70 18340 -45.9 -66.9 8 21.0 -47.7 110 13 486.2 486.2 314.0 486.6 0.07 29 68 18533 -45.3 -66.3 8 21.0 -47.2 109 13 491.5 491.6 314.4 492.0 0.08 30 55 19940 -47.1 -68.1 7 21.0 -49.0 103 13 518.2 518.2 316.2 518.6 0.07 31 50 20570 -47.3 -68.3 7 21.0 -49.4 100 13 532.0 532.0 317.1 532.5 0.08 32 38 22382 -48.3 -69.3 7 21.0 -50.6 81 13 572.9 572.9 319.3 573.5 0.09 33 30 23940 -48.3 -69.3 7 21.0 -51.1 65 13 613.0 613.0 321.2 613.8 0.11 34 22 25983 -49.1 -69.1 8 20.0 -52.3 65 11 667.4 667.5 323.4 668.8 0.16 35 20 26610 -48.5 -69.5 7 21.0 -52.2 65 11 687.7 687.8 324.1 689.1 0.16 36 16 28087 -45.7 -66.7 8 21.0 -50.8 742.2 742.3 325.8 745.0 0.30 37 11 30591 -44.3 -65.3 8 21.0 -51.2 831.2 831.5 328.1 836.8 0.53 38 10 31232 -42.9 -64.9 7 22.0 -50.8 859.4 859.7 328.7 866.1 0.62 TRP 300 8700 -53.3 -62.3 33 9.0 -53.5 125 40 310.2 310.2 285.4 310.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5108.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 46.57 % Est. max temperature: -0.85 C = 30.47 F Sfc-Lift cond lev (LCL): 990.22 mb = 237.14 m = 778.00 ft T: -10.73 C 700-500 lapse rate: 4.56 C/km Conv cond level (CCL): 770.92 mb = 2140.87 m = 7023.75 ft Mean mixing ratio: 1.18 g/kg Conv temperature: 2.86 C = 37.15 F Cap Strength: 18.19 C Lifted Index: 20.69 C Risk: None Lifted Index @300 mb: 30.06 C Lifted Index @700 mb: 10.37 C Showalter Index: 15.39 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 14.00 C K Index: -8.90 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 3.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.19 J/kg Max Up Vert Vel: 6.96 m/s Conv Inhibition (B-): 68274.62 J/kg Cap Strength: 19.97 C Lift Cond Lev (LCL): 899.97 mb = 968.67 m = 3178.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 99 at 12 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 1018 26 180 1 0.0 1.0 | 275 12 11.9 -1.0 1 1000 162 110 5 -4.7 1.7 | 272 7 7.2 -0.3 2 925 758 350 15 2.6 -14.8 | 319 22 14.5 -16.7 3 850 1405 340 13 4.4 -12.2 | 311 22 16.4 -14.2 4 700 2857 340 11 3.8 -10.3 | 308 20 15.7 -12.3 5 500 5270 125 25 -20.5 14.3 | 145 15 -8.5 12.4 6 400 6810 130 31 -23.7 19.9 | 147 21 -11.8 18.0 7 300 8700 125 40 -32.8 22.9 | 135 30 -20.8 21.0 8 250 9880 120 27 -23.4 13.5 | 135 16 -11.4 11.5 9 200 11360 115 23 -20.8 9.7 | 131 12 -8.9 7.8 10 150 13280 120 17 -14.7 8.5 | 157 7 -2.8 6.5 11 100 15970 110 19 -17.9 6.5 | 127 7 -5.9 4.5 12 70 18340 110 13 -12.2 4.4 | 174 2 -0.3 2.5 13 50 20570 100 13 -12.8 2.3 | 108 1 -0.9 0.3 14 30 23940 65 13 -11.8 -5.5 | 359 7 0.2 -7.5 15 20 26610 65 11 -10.0 -4.6 | 343 7 2.0 -6.6 Wind Parameters Mean winds (0-6000m): 69.4 at 16.1 knts Storm direction: 99.4 at 12.1 knts Shear (0-3000m) pos: 0.4 neg: 2.1 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 39.9 deg Storm rel helicity (0-3000m) pos: 25.5 neg: -49.7 tot: -24.2 m^2/s^2 ave: -8.1 10^-3 m/s^2 rel: -0.00 Storm rel vorticity (0-3000m) horiz: 6.1 stream: -0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.02 Bulk Shear: 11.96 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 65 7 309 8| 0.0 12.3 12.3| 14.0 -3.8 10.1 20.3 0.38| 17.7 6.7 1000 1 10 316 17| 0.0 7.8 7.8| 14.0 -33.9 -20.0 -20.0 0.02| 15.3 0.3 1500 352 11 314 19| 0.0 4.7 4.7| 14.0 -44.7 -30.8 -20.5 -0.04| 10.9 -0.5 2000 349 12 313 20| 0.0 3.4 3.4| 14.0 -46.7 -32.7 -16.4 -0.05| 8.3 -0.4 2500 347 12 312 20| 0.0 2.6 2.6| 14.0 -48.6 -34.6 -13.8 -0.06| 6.8 -0.4 3000 346 12 312 20| 0.4 2.1 2.5| 25.5 -49.7 -24.2 -8.1 -0.00| 6.1 -0.0 4000 358 12 319 19| 2.3 1.6 3.9| 94.5 -49.7 44.7 11.2 0.29| 6.7 2.0 5000 23 14 337 16| 3.3 1.3 4.6|156.3 -49.7 106.6 21.3 0.49| 7.7 3.8 6000 69 16 22 8| 3.3 1.1 4.3|176.5 -49.7 126.7 21.1 0.51| 7.2 3.7 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20250427.00.gif