UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 29 APR 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 1020 -2 -11.7 -14.1 82 2.4 -12.2 85 5 260.0 260.2 259.8 263.3 1.26 1 1000 149 -13.5 -17.4 72 3.9 -14.2 75 3 259.6 259.8 258.9 262.3 0.97 2 967 403 -15.7 -18.6 78 2.9 -16.2 90 6 259.9 260.1 259.0 262.4 0.91 3 962 442 -13.3 -16.1 79 2.8 -13.9 92 6 262.7 262.9 261.6 265.8 1.13 4 951 530 -10.9 -14.0 78 3.1 -11.6 98 7 266.0 266.3 264.5 269.8 1.36 5 943 595 -10.7 -14.2 75 3.5 -11.5 101 8 266.9 267.1 265.1 270.6 1.35 6 925 744 -9.1 -14.0 68 4.9 -10.3 110 9 270.0 270.2 267.3 273.9 1.40 7 920 786 -8.7 -13.7 67 5.0 -10.0 110 9 270.8 271.1 267.9 274.9 1.44 8 850 1401 -7.7 -22.7 29 15.0 -10.9 115 9 278.1 278.2 271.3 280.2 0.73 9 846 1438 -7.7 -23.7 26 16.0 -11.0 113 9 278.5 278.6 271.4 280.5 0.67 10 814 1736 -9.7 -29.7 18 20.0 -13.1 101 7 279.4 279.5 271.5 280.7 0.40 11 746 2403 -13.9 -33.9 17 20.0 -16.7 71 4 281.9 282.0 272.8 282.8 0.29 12 709 2789 -13.7 -30.7 22 17.0 -16.4 54 2 286.3 286.3 275.4 287.6 0.42 13 700 2886 -14.5 -32.5 20 18.0 -17.3 50 1 286.4 286.5 275.4 287.6 0.36 14 500 5350 -31.3 -42.3 33 11.0 -32.1 330 5 294.9 294.9 279.3 295.5 0.18 15 434 6341 -37.9 -46.9 38 9.0 -38.4 340 5 298.7 298.7 281.0 299.1 0.13 16 400 6900 -41.9 -50.9 37 9.0 -42.3 345 5 300.5 300.5 281.7 300.9 0.09 17 387 7123 -43.5 -52.5 36 9.0 -43.8 335 5 301.3 301.3 282.0 301.6 0.08 18 305 8693 -51.7 -61.7 29 10.0 -51.9 265 3 311.0 311.0 285.7 311.1 0.03 19 300 8800 -51.3 -61.3 29 10.0 -51.5 270 1 313.0 313.0 286.5 313.2 0.03 20 281 9225 -51.1 -61.1 29 10.0 -51.3 295 1 319.2 319.2 288.5 319.4 0.04 21 250 9990 -47.7 -59.7 24 12.0 -48.1 340 1 335.2 335.2 293.2 335.4 0.05 22 231 10511 -47.1 -61.1 19 14.0 -47.6 354 3 343.7 343.7 295.3 343.9 0.04 23 200 11460 -47.7 -64.7 12 17.0 -48.3 20 7 357.2 357.2 298.2 357.4 0.03 24 150 13350 -48.9 -68.9 8 20.0 -49.6 10 11 385.8 385.8 303.2 385.9 0.02 25 100 16000 -50.1 -73.1 5 23.0 -51.0 23 8 430.9 430.9 308.9 431.0 0.02 26 90 16689 -51.1 -73.1 6 22.0 -52.0 27 7 442.1 442.1 310.1 442.2 0.02 27 70 18330 -50.5 -73.5 5 23.0 -51.7 35 5 476.3 476.4 313.2 476.5 0.03 28 67 18616 -48.9 -72.9 4 24.0 -50.3 37 5 485.8 485.8 313.9 486.0 0.03 29 50 20530 -50.5 -74.5 4 24.0 -52.1 50 5 524.5 524.5 316.6 524.7 0.03 30 32 23463 -46.9 -72.9 4 26.0 -50.0 94 8 605.5 605.5 320.9 606.0 0.06 31 30 23890 -47.7 -73.7 3 26.0 -50.8 100 9 614.6 614.6 321.3 615.0 0.06 32 23 25640 -49.3 -74.3 4 25.0 -52.5 93 12 658.4 658.4 323.0 659.0 0.07 33 20 26560 -47.9 -72.9 4 25.0 -51.9 90 13 689.6 689.6 324.1 690.4 0.10 34 17 27637 -45.9 -71.9 4 26.0 -51.1 728.8 728.8 325.4 730.0 0.14 35 14 28924 -47.9 -73.9 3 26.0 -52.9 763.6 763.7 326.3 764.8 0.12 36 11 30534 -42.5 -69.5 4 27.0 -50.7 837.8 837.9 328.2 840.9 0.30 TRP 305 8693 -51.7 -61.7 29 10.0 -51.9 265 3 311.0 311.0 285.7 311.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5201.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 34.03 % Est. max temperature: 4.35 C = 39.83 F Sfc-Lift cond lev (LCL): 981.25 mb = 292.35 m = 959.13 ft T: -14.74 C 700-500 lapse rate: 6.82 C/km ThetaE index: 1.05 C Layer 1000.0- 967.0 mb Conv cond level (CCL): 612.40 mb = 3865.02 m = 12680.37 ft Mean mixing ratio: 1.15 g/kg Conv temperature: 18.41 C = 65.13 F Cap Strength: 19.05 C Lifted Index: 23.58 C Risk: None Lifted Index @300 mb: 33.17 C Lifted Index @700 mb: 19.05 C Showalter Index: 12.42 C Risk: None Total Totals Index: 32.20 C Risk: None Vertical Totals Index: 23.60 C Cross Totals Index: 8.60 C K Index: -17.10 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 3.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.20 J/kg Max Up Vert Vel: 10.32 m/s Conv Inhibition (B-): 72585.72 J/kg Cap Strength: 23.43 C Lift Cond Lev (LCL): 917.34 mb = 808.53 m = 2652.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 101 at 3 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 1020 -2 85 5 -5.0 -0.4 | 55 2 -1.6 -1.1 1 1000 149 75 3 -2.9 -0.8 | 340 2 0.5 -1.4 2 925 744 110 9 -8.5 3.1 | 116 6 -5.0 2.4 3 850 1401 115 9 -8.2 3.8 | 124 6 -4.7 3.1 4 700 2886 50 1 -0.8 -0.6 | 296 3 2.7 -1.3 5 500 5350 330 5 2.5 -4.3 | 310 8 5.9 -5.0 6 400 6900 345 5 1.3 -4.8 | 319 7 4.7 -5.5 7 305 8693 265 3 3.0 0.3 | 274 6 6.4 -0.4 8 300 8800 270 1 1.0 -0.0 | 279 4 4.4 -0.7 9 250 9990 340 1 0.3 -0.9 | 293 4 3.8 -1.6 10 200 11460 20 7 -2.4 -6.6 | 352 7 1.0 -7.2 11 150 13350 10 11 -1.9 -10.8 | 352 12 1.5 -11.5 12 70 18330 35 5 -2.9 -4.1 | 353 5 0.6 -4.8 13 50 20530 50 5 -3.8 -3.2 | 6 4 -0.4 -3.9 14 30 23890 100 9 -8.9 1.6 | 99 6 -5.4 0.9 15 20 26560 90 13 -13.0 0.0 | 86 10 -9.6 -0.7 Wind Parameters Mean winds (0-6000m): 71.0 at 4.7 knts Storm direction: 101.0 at 3.5 knts Shear (0-3000m) pos: 0.9 neg: 1.5 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -114.6 deg Storm rel helicity (0-3000m) pos: 4.8 neg: -6.9 tot: -2.1 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: -0.22 Storm rel vorticity (0-3000m) horiz: 3.3 stream: -0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 246.34 Bulk Shear: 0.22 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 87 5 50 1| 1.9 0.0 1.9| 1.4 -0.6 0.8 1.6 0.26| 5.3 1.4 1000 103 6 105 3| 2.6 0.0 2.6| 4.0 -0.6 3.4 3.4 0.41| 4.4 1.8 1500 107 7 113 4| 1.7 0.2 1.9| 4.7 -1.4 3.3 2.2 0.35| 3.4 1.2 2000 106 7 111 4| 1.3 1.1 2.4| 4.7 -4.1 0.5 0.3 0.05| 3.5 0.2 2500 105 7 110 3| 1.0 1.5 2.5| 4.7 -5.7 -1.0 -0.4 -0.14| 3.5 -0.5 3000 108 6 117 2| 0.9 1.5 2.3| 4.8 -6.9 -2.1 -0.7 -0.22| 3.3 -0.7 4000 101 5 102 1| 0.7 1.3 1.9| 5.9 -6.9 -1.0 -0.3 -0.14| 2.7 -0.4 5000 90 5 61 1| 0.5 1.3 1.8| 5.9 -8.0 -2.0 -0.4 -0.15| 2.5 -0.4 6000 71 5 24 2| 0.4 1.1 1.6| 6.9 -9.1 -2.3 -0.4 -0.15| 2.2 -0.3 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250429.12.gif