UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 28 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 1019 3 -12.1 -15.9 73 3.8 -12.9 60 15 259.6 259.8 259.1 262.6 1.08 1 1018 11 -14.1 -20.1 60 6.0 -15.1 61 15 257.7 257.9 256.9 259.8 0.76 2 1013 48 -11.7 -17.7 61 6.0 -12.9 66 14 260.5 260.6 259.5 263.0 0.94 3 1000 147 -11.9 -15.9 72 4.0 -12.8 80 11 261.2 261.4 260.4 264.2 1.10 4 977 325 -11.9 -15.4 75 3.5 -12.6 90 18 263.0 263.2 261.9 266.2 1.18 5 957 485 -9.5 -13.5 73 4.0 -10.5 100 25 267.0 267.2 265.2 270.9 1.41 6 953 517 -9.1 -14.1 67 5.0 -10.3 102 26 267.7 267.9 265.6 271.4 1.35 7 925 748 -8.9 -19.9 41 11.0 -11.2 115 36 270.2 270.3 266.4 272.6 0.85 8 907 900 -8.5 -23.5 29 15.0 -11.4 115 36 272.1 272.2 267.4 274.0 0.63 9 850 1400 -11.1 -18.1 56 7.0 -12.7 115 36 274.5 274.7 269.7 277.6 1.08 10 836 1527 -11.9 -18.9 56 7.0 -13.4 112 35 275.0 275.2 269.9 278.0 1.03 11 750 2352 -15.7 -29.7 29 14.0 -17.8 92 26 279.5 279.6 271.6 280.9 0.43 12 732 2535 -16.5 -26.5 42 10.0 -18.1 88 24 280.6 280.7 272.6 282.4 0.60 13 700 2872 -15.9 -27.9 35 12.0 -17.9 80 21 284.9 285.0 274.9 286.6 0.55 14 696 2915 -15.9 -28.9 32 13.0 -18.0 79 21 285.3 285.4 275.0 286.9 0.50 15 571 4368 -27.7 -32.7 62 5.0 -28.3 41 17 288.1 288.2 276.4 289.5 0.43 16 513 5129 -31.7 -35.5 69 3.8 -32.1 20 15 292.2 292.3 278.3 293.4 0.36 17 500 5310 -32.7 -36.8 67 4.1 -33.1 15 15 293.2 293.2 278.7 294.2 0.33 18 462 5864 -35.7 -40.6 61 4.9 -36.1 3 14 296.1 296.2 280.0 296.9 0.24 19 400 6850 -43.7 -48.7 58 5.0 -43.9 340 13 298.2 298.2 280.7 298.6 0.11 20 376 7263 -46.7 -51.6 57 4.9 -46.9 340 16 299.5 299.6 281.3 299.9 0.09 21 361 7533 -47.1 -52.1 56 5.0 -47.3 340 17 302.5 302.5 282.5 302.8 0.09 22 322 8282 -51.7 -56.7 55 5.0 -51.8 340 22 306.2 306.2 284.0 306.4 0.06 23 300 8740 -52.5 -58.5 48 6.0 -52.6 340 25 311.3 311.4 285.9 311.5 0.05 24 277 9253 -54.3 -60.3 48 6.0 -54.4 340 19 315.9 315.9 287.5 316.1 0.04 25 254 9816 -48.5 -55.5 44 7.0 -48.7 35 12 332.4 332.5 292.4 332.8 0.08 26 250 9920 -48.9 -55.9 44 7.0 -49.1 45 11 333.4 333.4 292.7 333.7 0.08 27 218 10823 -46.5 -57.5 28 11.0 -47.0 88 6 350.4 350.4 296.8 350.7 0.07 28 200 11390 -49.3 -62.3 20 13.0 -49.7 115 3 354.7 354.7 297.7 354.9 0.04 29 188 11798 -47.1 -61.1 19 14.0 -47.7 107 4 364.6 364.6 299.6 364.8 0.05 30 150 13290 -48.5 -66.5 11 18.0 -49.2 80 7 386.5 386.5 303.3 386.7 0.03 31 100 15940 -51.1 -72.1 6 21.0 -51.9 145 5 429.0 429.0 308.7 429.1 0.02 32 73 17995 -48.5 -70.5 6 22.0 -49.8 35 3 474.9 474.9 313.1 475.1 0.04 33 70 18270 -49.7 -71.7 6 22.0 -51.0 20 3 478.1 478.1 313.3 478.3 0.03 34 66 18656 -50.9 -72.9 6 22.0 -52.1 32 4 483.6 483.6 313.7 483.7 0.03 35 58 19504 -48.5 -71.5 5 23.0 -50.1 59 5 507.2 507.2 315.5 507.5 0.04 36 50 20480 -50.3 -73.3 5 23.0 -51.9 90 7 524.9 524.9 316.6 525.2 0.04 37 43 21462 -51.1 -74.1 5 23.0 -52.8 90 7 546.1 546.1 317.9 546.4 0.04 38 32 23396 -47.9 -71.9 5 24.0 -50.7 90 7 602.8 602.9 320.7 603.4 0.07 39 30 23820 -49.5 -73.5 4 24.0 -52.1 90 7 609.7 609.7 321.0 610.2 0.06 40 24 25286 -49.5 -74.5 4 25.0 -52.6 90 13 649.9 649.9 322.7 650.4 0.07 41 20 26490 -46.7 -72.7 4 26.0 -51.1 90 17 693.2 693.3 324.3 694.1 0.10 42 14 28862 -43.7 -69.7 4 26.0 -50.4 67 13 777.8 778.0 326.7 780.1 0.23 43 10 31120 -43.1 -69.1 4 26.0 -51.3 45 9 858.7 858.8 328.7 862.4 0.35 44 8.4 32295 -43.1 -69.1 4 26.0 -52.0 902.6 902.8 329.5 907.2 0.41 TRP 277 9253 -54.3 -60.3 48 6.0 -54.4 340 19 315.9 315.9 287.5 316.1 0.04 WND Sounding variables and indices 1000-500 mb thick: 5163.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 50.84 % Est. max temperature: 2.04 C = 35.67 F Sfc-Lift cond lev (LCL): 958.27 mb = 474.31 m = 1556.10 ft T: -9.65 C 700-500 lapse rate: 6.89 C/km ThetaE index: 2.77 C Layer 1018.0-1013.0 mb Conv cond level (CCL): 638.38 mb = 3549.14 m = 11644.03 ft Mean mixing ratio: 1.12 g/kg Conv temperature: 15.02 C = 59.04 F Cap Strength: 20.08 C Lifted Index: 20.66 C Risk: None Lifted Index @300 mb: 30.62 C Lifted Index @700 mb: 16.07 C Showalter Index: 13.10 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 14.60 C K Index: -8.50 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 3.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.24 J/kg Max Up Vert Vel: 9.62 m/s Conv Inhibition (B-): 76878.03 J/kg Cap Strength: 20.49 C Lift Cond Lev (LCL): 883.89 mb = 1098.85 m = 3605.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 114 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 1019 3 60 15 -13.0 -7.5 | 350 14 2.4 -14.3 1 1000 147 80 11 -10.8 -1.9 | 332 10 4.6 -8.7 2 925 748 115 36 -32.6 15.2 | 116 19 -17.2 8.4 3 850 1400 115 36 -32.6 15.2 | 116 19 -17.2 8.4 4 700 2872 80 21 -20.7 -3.6 | 27 12 -5.3 -10.4 5 500 5310 15 15 -3.9 -14.5 | 332 24 11.5 -21.3 6 400 6850 340 13 4.4 -12.2 | 314 27 19.8 -19.0 7 300 8740 340 25 8.6 -23.5 | 322 39 24.0 -30.3 8 277 9253 340 19 6.5 -17.9 | 318 33 21.9 -24.6 9 250 9920 45 11 -7.8 -7.8 | 332 16 7.6 -14.5 10 200 11390 115 3 -2.7 1.3 | 293 14 12.7 -5.5 11 150 13290 80 7 -6.9 -1.2 | 313 12 8.5 -8.0 12 100 15940 145 5 -2.9 4.1 | 282 13 12.5 -2.7 13 70 18270 20 3 -1.0 -2.8 | 304 17 14.4 -9.6 14 50 20480 90 7 -7.0 0.0 | 309 11 8.4 -6.8 15 30 23820 90 7 -7.0 0.0 | 309 11 8.4 -6.8 16 20 26490 90 17 -17.0 0.0 | 13 7 -1.6 -6.8 17 10 31120 45 9 -6.4 -6.4 | 325 16 9.0 -13.1 Wind Parameters Mean winds (0-6000m): 83.7 at 22.4 knts Storm direction: 113.7 at 16.8 knts Shear (0-3000m) pos: 5.1 neg: 4.1 tot: 9.2 10-3/s Storm rel Dir Shear (0-3000m): 31.7 deg Storm rel helicity (0-3000m) pos: 63.1 neg: -89.4 tot: -26.3 m^2/s^2 ave: -8.8 10^-3 m/s^2 rel: -0.02 Storm rel vorticity (0-3000m) horiz: 9.9 stream: -0.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 10.18 Bulk Shear: 4.54 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 89 17 11 7| 18.0 0.0 18.0| 29.4 -7.3 22.1 44.2 0.58| 21.3 12.3 1000 107 25 94 9| 15.4 0.0 15.4| 63.1 -7.3 55.8 55.8 0.63| 17.3 10.8 1500 110 29 106 12| 10.3 0.6 10.9| 63.1 -14.8 48.3 32.2 0.55| 12.1 6.7 2000 110 30 104 13| 7.7 2.6 10.4| 63.1 -45.7 17.4 8.7 0.28| 11.3 3.1 2500 108 29 99 13| 6.2 3.6 9.8| 63.1 -70.3 -7.2 -2.9 0.09| 10.6 1.0 3000 105 28 93 12| 5.1 4.1 9.2| 63.1 -89.4 -26.3 -8.8 -0.02| 9.9 -0.2 4000 98 26 73 11| 3.9 4.2 8.1| 63.1-118.8 -55.7 -13.9 -0.13| 8.7 -1.1 5000 91 24 54 11| 3.1 4.1 7.2| 63.1-157.1 -94.0 -18.8 -0.20| 7.8 -1.6 6000 84 22 37 12| 2.6 3.8 6.3| 63.1-194.4-131.3 -21.9 -0.26| 7.0 -1.8 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250428.12.gif