UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 21 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 1005 30 -18.1 -22.0 71 3.9 -18.7 340 5 254.7 254.8 254.2 256.5 0.65 1 1000 67 -17.5 -23.5 59 6.0 -18.3 345 7 255.6 255.7 254.8 257.2 0.57 2 945 487 -19.1 -26.1 54 7.0 -20.0 29 8 258.2 258.3 256.7 259.5 0.48 3 933 581 -19.5 -27.5 49 8.0 -20.5 38 9 258.7 258.8 257.1 259.9 0.43 4 925 645 -19.9 -27.9 49 8.0 -20.8 45 9 259.0 259.0 257.2 260.1 0.42 5 899 856 -21.1 -29.1 49 8.0 -22.0 35 11 259.8 259.9 257.8 260.9 0.38 6 885 972 -20.1 -28.1 49 8.0 -21.1 29 12 262.0 262.1 259.7 263.3 0.43 7 850 1270 -22.1 -29.1 53 7.0 -22.9 15 15 263.0 263.1 260.3 264.2 0.41 8 843 1331 -22.3 -29.3 53 7.0 -23.1 13 16 263.4 263.5 260.7 264.6 0.40 9 825 1489 -21.9 -27.9 58 6.0 -22.6 7 17 265.5 265.5 262.3 266.8 0.47 10 812 1607 -18.3 -24.3 59 6.0 -19.3 2 18 270.5 270.6 266.3 272.4 0.66 11 795 1765 -19.1 -24.1 65 5.0 -19.9 356 20 271.3 271.4 266.9 273.3 0.68 12 700 2706 -21.9 -28.9 53 7.0 -22.8 320 29 278.2 278.3 271.0 279.8 0.50 13 659 3146 -24.7 -32.7 47 8.0 -25.6 318 28 279.9 280.0 271.8 281.1 0.37 14 544 4509 -34.7 -44.7 36 10.0 -35.3 313 26 283.8 283.8 273.6 284.2 0.13 15 500 5090 -40.3 -50.3 33 10.0 -40.6 310 25 283.9 283.9 273.5 284.2 0.08 16 479 5381 -42.9 -52.9 33 10.0 -43.2 309 28 284.2 284.2 273.7 284.4 0.06 17 433 6056 -46.7 -56.7 31 10.0 -46.9 306 36 287.7 287.7 275.5 287.8 0.04 18 420 6258 -47.3 -57.3 31 10.0 -47.5 305 38 289.4 289.5 276.5 289.6 0.04 19 400 6580 -47.7 -58.7 27 11.0 -47.9 315 31 293.0 293.0 278.2 293.1 0.03 20 326 7942 -44.5 -58.5 20 14.0 -44.9 326 18 315.1 315.1 287.2 315.2 0.04 21 300 8500 -44.1 -59.1 17 15.0 -44.6 330 13 323.2 323.2 289.8 323.4 0.04 22 277 9032 -43.3 -61.3 12 18.0 -43.9 345 11 331.8 331.8 292.3 332.0 0.04 23 250 9720 -42.3 -62.3 9 20.0 -43.1 5 9 343.2 343.2 295.1 343.3 0.04 24 222 10528 -41.1 -62.1 9 21.0 -42.1 341 7 356.9 356.9 298.1 357.1 0.04 25 200 11240 -41.3 -64.3 7 23.0 -42.4 320 5 367.4 367.4 300.1 367.5 0.03 26 168 12417 -42.7 -67.7 5 25.0 -43.9 5 5 383.8 383.8 302.9 383.9 0.03 27 150 13180 -42.9 -67.9 5 25.0 -44.2 35 5 396.1 396.1 304.7 396.3 0.03 28 127 14301 -44.5 -69.5 5 25.0 -45.7 47 5 412.6 412.6 306.9 412.7 0.03 29 100 15900 -46.1 -70.1 5 24.0 -47.4 65 5 438.7 438.7 309.7 438.8 0.03 30 98 16034 -46.3 -70.3 5 24.0 -47.6 64 5 440.8 440.8 310.0 441.0 0.03 31 70 18260 -47.9 -71.9 5 24.0 -49.4 45 7 481.9 481.9 313.6 482.1 0.03 32 62 19062 -47.5 -71.5 5 24.0 -49.3 52 7 499.8 499.8 314.9 500.1 0.04 33 50 20480 -49.3 -73.3 4 24.0 -51.1 65 7 527.3 527.3 316.8 527.5 0.04 34 39 22103 -50.5 -73.5 5 23.0 -52.4 70 9 563.1 563.1 318.8 563.4 0.05 35 30 23810 -51.1 -74.1 5 23.0 -53.3 75 11 605.3 605.4 320.9 605.7 0.06 36 24 25256 -52.3 -75.3 5 23.0 -54.7 78 12 641.7 641.8 322.4 642.2 0.06 37 20 26440 -50.1 -70.1 8 20.0 -53.3 80 13 682.8 682.9 323.9 684.1 0.15 38 16 27901 -47.9 -61.9 18 14.0 -51.7 77 14 735.0 735.3 325.7 740.3 0.58 39 15 28326 -47.1 -61.1 19 14.0 -51.3 76 15 751.4 751.7 326.1 757.7 0.68 40 12 29817 -42.1 -57.1 18 15.0 -48.6 73 16 818.6 819.3 328.0 832.9 1.42 41 10 31050 -41.7 -56.7 18 15.0 -48.9 70 17 863.9 864.8 329.1 883.0 1.79 42 9.0 31766 -40.3 -55.3 19 15.0 -48.3 895.7 897.0 329.8 921.8 2.36 TRP 420 6258 -47.3 -57.3 31 10.0 -47.5 305 38 289.4 289.5 276.5 289.6 0.04 WND Sounding variables and indices 1000-500 mb thick: 5023.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 48.82 % Est. max temperature: -9.92 C = 14.15 F Sfc-Lift cond lev (LCL): 942.65 mb = 505.36 m = 1657.98 ft T: -19.18 C 700-500 lapse rate: 7.72 C/km Conv cond level (CCL): 582.63 mb = 4021.75 m = 13194.57 ft Mean mixing ratio: 0.49 g/kg Conv temperature: 9.72 C = 49.50 F Cap Strength: 20.89 C Lifted Index: 20.44 C Risk: None Lifted Index @300 mb: 45.47 C Lifted Index @700 mb: 17.81 C Showalter Index: 16.28 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 11.20 C K Index: -17.90 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 4.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.91 J/kg Max Up Vert Vel: 5.64 m/s Conv Inhibition (B-): 87201.77 J/kg Cap Strength: 20.90 C Lift Cond Lev (LCL): 851.28 mb = 1258.86 m = 4130.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 353 at 17 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 1005 30 340 5 1.7 -4.7 | 178 12 -0.4 12.4 1 1000 67 345 7 1.8 -6.8 | 179 10 -0.3 10.3 2 925 645 45 9 -6.4 -6.4 | 142 14 -8.4 10.7 3 850 1270 15 15 -3.9 -14.5 | 114 6 -5.9 2.6 4 700 2706 320 29 18.6 -22.2 | 287 17 16.6 -5.1 5 500 5090 310 25 19.2 -16.1 | 267 17 17.1 1.0 6 420 6258 305 38 31.1 -21.8 | 279 29 29.1 -4.7 7 400 6580 315 31 21.9 -21.9 | 284 20 19.9 -4.8 8 300 8500 330 13 6.5 -11.3 | 217 7 4.4 5.8 9 250 9720 5 9 -0.8 -9.0 | 161 9 -2.9 8.1 10 200 11240 320 5 3.2 -3.8 | 185 13 1.1 13.3 11 150 13180 35 5 -2.9 -4.1 | 159 14 -4.9 13.0 12 100 15900 65 5 -4.5 -2.1 | 156 16 -6.6 15.0 13 70 18260 45 7 -4.9 -4.9 | 150 14 -7.0 12.1 14 50 20480 65 7 -6.3 -3.0 | 149 16 -8.4 14.1 15 30 23810 75 11 -10.6 -2.8 | 138 19 -12.7 14.2 16 20 26440 80 13 -12.8 -2.3 | 135 21 -14.9 14.8 17 10 31050 70 17 -16.0 -5.8 | 122 21 -18.0 11.3 Wind Parameters Mean winds (0-6000m): 323.1 at 23.0 knts Storm direction: 353.1 at 17.2 knts Shear (0-3000m) pos: 1.2 neg: 4.7 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 106.0 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -66.0 tot: -66.0 m^2/s^2 ave: -22.0 10^-3 m/s^2 rel: -0.64 Storm rel vorticity (0-3000m) horiz: 7.7 stream: -4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.35 Bulk Shear: 45.61 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 10 8 160 10| 7.1 0.0 7.1| 0.0 -16.5 -16.5 -32.9 -0.71| 8.7 -6.1 1000 26 9 146 11| 3.5 2.2 5.7| 0.0 -28.9 -28.9 -28.9 -0.66| 7.7 -5.1 1500 20 11 140 9| 2.4 3.7 6.0| 0.0 -36.0 -36.0 -24.0 -0.63| 7.7 -4.9 2000 9 13 134 6| 1.8 4.6 6.3| 0.0 -42.1 -42.1 -21.0 -0.69| 7.9 -5.4 2500 356 16 149 2| 1.4 5.2 6.6| 0.0 -54.4 -54.4 -21.7 -0.64| 8.3 -5.3 3000 345 18 269 3| 1.2 4.7 5.9| 0.0 -66.0 -66.0 -22.0 -0.64| 7.7 -4.9 4000 334 20 279 7| 0.9 3.4 4.3| 0.0 -77.9 -77.9 -19.5 -0.66| 6.1 -4.0 5000 328 21 277 9| 0.7 2.6 3.3| 0.0 -89.4 -89.4 -17.9 -0.67| 5.2 -3.5 6000 323 23 276 12| 0.6 3.1 3.7| 22.7 -89.4 -66.7 -11.1 -0.49| 5.2 -2.6 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20250421.12.gif