UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:0000Z 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 0 -13.3 -16.2 79 2.9 -13.9 10 7 258.5 258.6 258.1 261.3 1.06 1 1012 53 -15.7 -20.7 65 5.0 -16.5 21 7 256.6 256.7 255.9 258.5 0.73 2 1010 68 -15.9 -20.9 65 5.0 -16.7 24 7 256.5 256.6 255.8 258.5 0.71 3 1000 143 -15.3 -20.3 66 5.0 -16.1 40 7 257.9 258.0 257.0 259.9 0.76 4 981 288 -15.1 -19.7 68 4.6 -15.9 57 12 259.5 259.6 258.5 261.7 0.82 5 978 311 -13.9 -18.5 68 4.6 -14.7 60 13 260.9 261.0 259.8 263.4 0.91 6 977 319 -11.7 -16.2 69 4.5 -12.6 61 14 263.2 263.4 261.9 266.2 1.10 7 973 350 -8.9 -13.4 70 4.5 -10.0 65 15 266.3 266.6 264.7 270.2 1.40 8 960 455 -4.9 -8.7 75 3.8 -6.1 77 19 271.4 271.7 269.4 277.1 2.06 9 958 472 -4.3 -8.4 73 4.1 -5.6 79 19 272.2 272.5 269.9 278.0 2.11 10 925 748 -3.7 -14.7 42 11.0 -6.7 110 29 275.5 275.7 270.7 279.3 1.32 11 915 834 -3.9 -18.9 30 15.0 -7.5 109 28 276.2 276.3 270.5 278.9 0.94 12 864 1286 -4.1 -27.1 15 23.0 -8.8 102 26 280.5 280.6 272.3 282.0 0.48 13 856 1360 -4.5 -28.5 13 24.0 -9.2 101 25 280.9 280.9 272.4 282.2 0.43 14 850 1415 -4.9 -26.9 16 22.0 -9.4 100 25 281.0 281.1 272.6 282.5 0.50 15 822 1677 -6.7 -17.7 41 11.0 -9.5 100 25 281.8 282.0 274.1 285.2 1.16 16 728 2614 -13.1 -27.1 30 14.0 -15.6 100 25 284.8 284.9 274.8 286.5 0.57 17 700 2912 -14.7 -25.7 39 11.0 -16.7 100 25 286.2 286.3 275.7 288.3 0.67 18 677 3164 -16.1 -27.1 38 11.0 -18.0 100 25 287.4 287.5 276.3 289.3 0.61 19 675 3186 -16.3 -27.3 38 11.0 -18.2 101 25 287.4 287.5 276.3 289.3 0.60 20 650 3469 -16.5 -33.5 22 17.0 -19.0 101 24 290.3 290.4 277.4 291.4 0.35 21 644 3539 -16.7 -34.7 19 18.0 -19.3 101 24 290.8 290.9 277.6 291.9 0.31 22 528 4999 -26.9 -35.9 42 9.0 -27.9 104 22 295.6 295.7 279.9 296.7 0.34 23 503 5347 -28.7 -39.7 34 11.0 -29.7 105 21 297.5 297.6 280.6 298.4 0.24 24 500 5390 -29.3 -40.3 34 11.0 -30.3 105 21 297.3 297.4 280.5 298.1 0.23 25 430 6446 -38.3 -47.3 38 9.0 -38.8 95 18 299.0 299.0 281.1 299.4 0.12 26 400 6940 -41.3 -50.3 37 9.0 -41.7 90 17 301.3 301.3 282.0 301.7 0.10 27 333 8164 -49.1 -58.1 34 9.0 -49.3 103 21 306.8 306.9 284.2 307.0 0.04 28 300 8840 -55.1 -65.1 28 10.0 -55.2 110 23 307.7 307.7 284.5 307.8 0.02 29 295 8948 -56.1 -66.1 27 10.0 -56.2 110 24 307.7 307.7 284.5 307.8 0.02 30 266 9605 -58.7 -68.7 26 10.0 -58.8 110 29 313.2 313.2 286.5 313.2 0.01 31 250 10000 -54.9 -64.9 28 10.0 -55.1 110 27 324.4 324.5 290.1 324.5 0.02 32 242 10208 -52.9 -62.9 29 10.0 -53.1 110 25 330.5 330.5 291.9 330.6 0.03 33 200 11440 -49.7 -63.7 18 14.0 -50.1 110 15 354.1 354.1 297.5 354.2 0.04 34 171 12469 -47.7 -64.7 12 17.0 -48.3 102 13 373.6 373.6 301.2 373.8 0.04 35 150 13330 -49.3 -68.3 9 19.0 -49.9 95 11 385.1 385.1 303.1 385.2 0.03 36 127 14424 -49.1 -70.1 7 21.0 -49.9 91 10 404.3 404.3 305.8 404.4 0.02 37 109 15426 -50.5 -72.5 6 22.0 -51.3 87 9 419.7 419.7 307.7 419.8 0.02 38 100 15990 -49.9 -72.9 5 23.0 -50.8 85 9 431.3 431.3 309.0 431.4 0.02 39 79 17536 -47.9 -71.9 5 24.0 -49.3 85 8 465.5 465.5 312.3 465.7 0.03 40 70 18330 -49.7 -73.7 4 24.0 -51.0 85 7 478.1 478.1 313.3 478.2 0.03 41 66 18715 -50.5 -74.5 4 24.0 -51.7 87 7 484.4 484.4 313.8 484.6 0.02 42 58 19563 -48.1 -73.1 4 25.0 -49.8 91 8 508.1 508.1 315.5 508.3 0.03 43 50 20540 -49.3 -74.3 4 25.0 -51.1 95 9 527.3 527.3 316.8 527.5 0.03 44 30 23880 -48.5 -73.5 4 25.0 -51.4 95 11 612.4 612.4 321.2 612.9 0.06 45 25 25078 -49.9 -74.9 4 25.0 -52.8 99 14 641.2 641.2 322.4 641.6 0.06 46 20 26550 -46.9 -72.9 4 26.0 -51.2 105 17 692.6 692.7 324.2 693.5 0.10 47 16 28029 -47.7 -73.7 3 26.0 -52.4 100 16 735.7 735.7 325.6 736.7 0.11 48 10 31160 -44.3 -70.3 4 26.0 -52.0 90 13 854.2 854.3 328.5 857.3 0.29 49 9.4 31576 -43.3 -69.3 4 26.0 -51.7 873.2 873.4 329.0 877.1 0.36 TRP 266 9605 -58.7 -68.7 26 10.0 -58.8 110 29 313.2 313.2 286.5 313.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5247.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 36.08 % Est. max temperature: 8.46 C = 47.22 F Sfc-Lift cond lev (LCL): 972.28 mb = 356.27 m = 1168.83 ft T: -8.68 C 700-500 lapse rate: 5.89 C/km ThetaE index: 2.84 C Layer 1012.0-1000.0 mb Conv cond level (CCL): 1012.00 mb = 52.70 m = 172.91 ft Mean mixing ratio: 1.30 g/kg Conv temperature: -13.28 C = 8.10 F Cap Strength: 22.70 C Lifted Index: 22.48 C Risk: None Lifted Index @300 mb: 26.62 C Lifted Index @700 mb: 15.69 C Showalter Index: 12.63 C Risk: None Total Totals Index: 26.80 C Risk: None Vertical Totals Index: 24.40 C Cross Totals Index: 2.40 C K Index: -13.50 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 3.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 102.85 J/kg Max Up Vert Vel: 14.34 m/s Conv Inhibition (B-): 86481.23 J/kg Cap Strength: 22.37 C Lift Cond Lev (LCL): 889.68 mb = 1055.28 m = 3462.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 131 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 0 10 7 -1.2 -6.9 | 327 22 11.6 -18.2 1 1000 143 40 7 -4.5 -5.4 | 333 19 8.3 -16.6 2 925 748 110 29 -27.3 9.9 | 85 15 -14.4 -1.4 3 850 1415 100 25 -24.6 4.3 | 60 14 -11.8 -6.9 4 700 2912 100 25 -24.6 4.3 | 60 14 -11.8 -6.9 5 500 5390 105 21 -20.3 5.4 | 52 9 -7.5 -5.8 6 400 6940 90 17 -17.0 0.0 | 20 12 -4.2 -11.3 7 300 8840 110 23 -21.6 7.9 | 69 9 -8.8 -3.4 8 266 9605 110 29 -27.3 9.9 | 85 15 -14.4 -1.4 9 250 10000 110 27 -25.4 9.2 | 81 13 -12.6 -2.0 10 200 11440 110 15 -14.1 5.1 | 12 6 -1.3 -6.1 11 150 13330 95 11 -11.0 1.0 | 350 10 1.9 -10.3 12 100 15990 85 9 -9.0 -0.8 | 342 13 3.8 -12.1 13 70 18330 85 7 -7.0 -0.6 | 334 13 5.8 -11.9 14 50 20540 95 9 -9.0 0.8 | 340 11 3.8 -10.5 15 30 23880 95 11 -11.0 1.0 | 350 10 1.9 -10.3 16 20 26550 105 17 -16.4 4.4 | 28 8 -3.6 -6.9 17 10 31160 90 13 -13.0 0.0 | 1 11 -0.2 -11.3 Wind Parameters Mean winds (0-6000m): 101.4 at 22.8 knts Storm direction: 131.4 at 17.1 knts Shear (0-3000m) pos: 5.0 neg: 0.6 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 92.0 deg Storm rel helicity (0-3000m) pos: 141.9 neg: -20.9 tot: 121.0 m^2/s^2 ave: 40.3 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 4.7 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 3.27 Bulk Shear: 31.42 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 63 12 351 17| 19.5 0.0 19.5| 85.9 0.0 85.9 171.8 0.93| 20.2 18.8 1000 99 19 35 10| 15.0 0.0 15.0|141.9 -7.0 134.9 134.9 0.85| 18.7 16.0 1500 101 21 48 11| 10.0 1.3 11.3|141.9 -20.8 121.1 80.7 0.68| 13.8 9.4 2000 101 22 51 12| 7.5 1.0 8.5|141.9 -20.8 121.1 60.5 0.68| 10.3 7.0 2500 100 23 53 12| 6.0 0.8 6.8|141.9 -20.8 121.1 48.4 0.68| 8.3 5.6 3000 100 23 54 12| 5.0 0.6 5.6|141.9 -20.9 121.0 40.3 0.68| 6.9 4.7 4000 101 23 55 12| 3.6 0.5 4.1|141.9 -22.5 119.4 29.8 0.64| 5.4 3.4 5000 101 23 55 12| 2.7 0.4 3.1|141.9 -24.4 117.5 23.5 0.59| 4.5 2.7 6000 101 23 54 12| 2.3 0.6 2.8|141.9 -31.6 110.3 18.4 0.50| 4.0 2.0 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250428.00.gif