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 U1824... Searching the city database file for: U1824 ... Date:0000Z 27 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 1021 -1 -15.1 -17.3 83 2.2 -15.5 200 3 256.5 256.7 256.4 259.1 0.96 1 1016 37 -13.3 -17.6 70 4.3 -14.1 180 3 258.7 258.8 258.1 261.2 0.94 2 1015 44 -11.9 -15.9 72 4.0 -12.7 176 3 260.1 260.3 259.5 263.1 1.09 3 1009 90 -8.7 -12.6 73 3.9 -9.6 152 3 263.8 264.0 263.0 267.7 1.44 4 1000 160 -3.3 -6.5 78 3.2 -4.4 115 3 269.9 270.2 268.8 276.2 2.35 5 998 176 -1.9 -4.8 81 2.9 -2.9 115 3 271.4 271.8 270.4 278.7 2.68 6 949 578 0.0 -4.9 70 4.9 -1.8 122 11 277.3 277.7 274.0 285.1 2.79 7 925 783 -1.3 -8.3 59 7.0 -3.7 125 15 278.0 278.4 273.6 284.2 2.21 8 886 1124 -3.9 -11.9 54 8.0 -6.3 120 12 278.7 279.0 273.3 283.7 1.73 9 850 1450 -6.5 -13.5 58 7.0 -8.5 115 9 279.3 279.6 273.4 283.9 1.58 10 824 1692 -8.5 -14.5 62 6.0 -10.1 125 9 279.7 280.0 273.5 284.1 1.51 11 739 2530 -12.5 -20.5 51 8.0 -14.3 162 8 284.2 284.4 275.2 287.3 1.01 12 700 2941 -15.7 -23.7 50 8.0 -17.3 180 7 285.1 285.2 275.4 287.6 0.81 13 666 3314 -18.3 -26.3 49 8.0 -19.7 176 11 286.3 286.4 275.8 288.3 0.67 14 625 3786 -19.9 -30.9 37 11.0 -21.5 172 15 289.7 289.8 277.2 291.2 0.46 15 538 4883 -25.5 -32.5 52 7.0 -26.4 160 26 295.7 295.8 280.1 297.2 0.46 16 517 5171 -27.5 -34.5 51 7.0 -28.3 157 29 296.7 296.7 280.4 298.0 0.40 17 500 5410 -29.1 -36.1 51 7.0 -29.9 155 31 297.6 297.6 280.8 298.7 0.35 18 419 6652 -37.5 -45.5 43 8.0 -38.0 159 31 302.2 302.2 282.5 302.8 0.16 19 400 6970 -40.3 -48.3 42 8.0 -40.7 160 31 302.6 302.6 282.6 303.0 0.12 20 331 8228 -51.7 -60.7 33 9.0 -51.9 157 34 303.8 303.8 283.0 303.9 0.03 21 300 8860 -55.7 -64.7 32 9.0 -55.8 155 36 306.8 306.8 284.1 306.9 0.02 22 284 9209 -57.7 -66.7 31 9.0 -57.8 150 38 308.8 308.8 284.9 308.9 0.02 23 281 9276 -57.7 -66.7 31 9.0 -57.8 150 38 309.8 309.8 285.2 309.8 0.02 24 260 9770 -56.3 -65.3 31 9.0 -56.4 150 35 318.8 318.8 288.3 318.9 0.02 25 252 9969 -56.9 -65.9 31 9.0 -57.0 150 33 320.7 320.7 289.0 320.8 0.02 26 250 10020 -56.3 -65.3 31 9.0 -56.4 150 33 322.4 322.4 289.5 322.5 0.02 27 230 10553 -50.1 -60.1 30 10.0 -50.4 150 28 339.6 339.6 294.3 339.8 0.05 28 200 11460 -49.5 -61.5 23 12.0 -49.9 150 19 354.4 354.4 297.6 354.6 0.05 29 156 13100 -47.5 -64.5 12 17.0 -48.2 150 17 383.9 383.9 302.9 384.1 0.04 30 150 13360 -48.3 -66.3 11 18.0 -49.0 150 17 386.8 386.8 303.3 387.0 0.03 31 139 13860 -48.7 -67.7 9 19.0 -49.4 145 17 394.7 394.7 304.5 394.8 0.03 32 128 14400 -49.9 -69.9 8 20.0 -50.6 140 16 401.9 401.9 305.5 402.0 0.02 33 101 15954 -47.5 -69.5 6 22.0 -48.6 126 15 434.7 434.7 309.3 434.9 0.03 34 100 16020 -48.1 -70.1 6 22.0 -49.2 125 15 434.8 434.8 309.4 435.0 0.03 35 88 16857 -50.1 -73.1 5 23.0 -51.1 127 11 447.0 447.0 310.6 447.1 0.02 36 70 18350 -50.1 -74.1 4 24.0 -51.3 130 3 477.2 477.2 313.2 477.3 0.02 37 50 20560 -49.9 -74.9 4 25.0 -51.6 120 9 525.9 525.9 316.7 526.1 0.03 38 30 23890 -50.7 -74.7 4 24.0 -53.0 140 3 606.4 606.4 320.9 606.8 0.05 39 29 24111 -50.5 -74.5 4 24.0 -52.9 612.9 612.9 321.2 613.3 0.05 TRP 284 9209 -57.7 -66.7 31 9.0 -57.8 150 38 308.8 308.8 284.9 308.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5250.00 m Freezing level: Surface below freezing Freezing level: 949.00 mb = 578.14 m = 1896.75 ft Freezing level: 949.00 mb = 578.14 m = 1896.75 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 53.62 % Est. max temperature: 7.50 C = 45.50 F Sfc-Lift cond lev (LCL): 985.10 mb = 279.88 m = 918.23 ft T: -1.41 C 700-500 lapse rate: 5.43 C/km ThetaE index: 1.36 C Layer 925.0- 850.0 mb Conv cond level (CCL): 1016.00 mb = 36.60 m = 120.08 ft Mean mixing ratio: 2.39 g/kg Conv temperature: -5.69 C = 21.75 F Cap Strength: 14.67 C Lifted Index: 15.21 C Risk: None Lifted Index @300 mb: 19.40 C Lifted Index @700 mb: 7.31 C Showalter Index: 11.78 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 15.60 C K Index: 1.10 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.47 J/kg Max Up Vert Vel: 11.09 m/s Conv Inhibition (B-): 51798.38 J/kg Cap Strength: 14.91 C Lift Cond Lev (LCL): 909.51 mb = 916.81 m = 3007.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 182 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 1021 -1 200 3 1.0 2.8 | 355 9 0.7 -8.7 1 1000 160 115 3 -2.7 1.3 | 17 11 -3.1 -10.2 2 925 783 125 15 -12.3 8.6 | 77 13 -12.6 -2.9 3 850 1450 115 9 -8.2 3.8 | 48 11 -8.5 -7.7 4 700 2941 180 7 0.0 7.0 | 4 5 -0.3 -4.5 5 500 5410 155 31 -13.1 28.1 | 141 21 -13.4 16.6 6 400 6970 160 31 -10.6 29.1 | 148 21 -10.9 17.6 7 300 8860 155 36 -15.2 32.6 | 144 26 -15.6 21.1 8 284 9209 150 38 -19.0 32.9 | 138 29 -19.3 21.4 9 250 10020 150 33 -16.5 28.6 | 135 24 -16.8 17.1 10 200 11460 150 19 -9.5 16.5 | 117 11 -9.8 5.0 11 150 13360 150 17 -8.5 14.7 | 110 9 -8.8 3.2 12 100 16020 125 15 -12.3 8.6 | 77 13 -12.6 -2.9 13 70 18350 130 3 -2.3 1.9 | 15 10 -2.6 -9.6 14 50 20560 120 9 -7.8 4.5 | 49 11 -8.1 -7.0 15 30 23890 140 3 -1.9 2.3 | 14 9 -2.3 -9.2 Wind Parameters Mean winds (0-6000m): 151.7 at 15.3 knts Storm direction: 181.7 at 11.5 knts Shear (0-3000m) pos: 1.3 neg: 1.1 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 10.6 deg Storm rel helicity (0-3000m) pos: 41.7 neg: -24.7 tot: 17.0 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 0.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.85 Bulk Shear: 15.97 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 ------------------------------------------------------------------------------- 500 125 5 28 10| 0.0 9.7 9.7| 25.9 0.0 25.9 51.8 0.94| 10.8 10.1 1000 125 9 51 10| 1.8 4.9 6.7| 41.3 -6.2 35.1 35.1 0.73| 9.2 6.7 1500 123 10 54 11| 1.2 2.1 3.3| 41.3 -19.0 22.3 14.8 0.40| 7.6 3.0 2000 124 9 53 10| 1.1 1.6 2.7| 41.7 -19.5 22.2 11.1 0.35| 6.6 2.3 2500 128 9 52 10| 1.2 1.3 2.4| 41.7 -21.9 19.7 7.9 0.25| 5.9 1.5 3000 132 9 51 9| 1.3 1.1 2.3| 41.7 -24.7 17.0 5.7 0.16| 5.4 0.9 4000 145 10 59 7| 1.0 1.6 2.6| 44.5 -24.7 19.8 5.0 0.24| 5.3 1.3 5000 151 12 83 6| 0.8 2.4 3.1| 44.7 -27.9 16.7 3.3 0.18| 5.3 0.9 6000 152 15 105 8| 0.7 2.4 3.1| 50.1 -33.0 17.0 2.8 0.16| 4.9 0.8 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250427.00.gif