UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 16 APR 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 1013 111 7.2 -0.8 57 8.0 3.7 70 7 279.3 279.9 276.2 289.2 3.56 1 1000 217 8.8 0.8 57 8.0 5.1 95 9 282.0 282.6 278.3 293.3 4.05 2 999 225 9.0 1.0 57 8.0 5.3 96 9 282.2 282.9 278.5 293.8 4.11 3 986 335 12.8 4.8 58 8.0 8.6 109 10 287.1 288.1 282.4 302.6 5.47 4 968 489 11.4 1.4 50 10.0 6.5 128 11 287.2 288.0 281.2 299.7 4.37 5 962 541 12.4 1.4 47 11.0 7.0 135 11 288.7 289.5 281.9 301.4 4.40 6 955 602 10.0 -2.0 43 12.0 4.6 142 11 286.9 287.5 279.9 296.8 3.45 7 950 646 10.6 -1.4 43 12.0 5.1 148 12 287.9 288.6 280.6 298.4 3.63 8 925 867 8.2 -4.8 39 13.0 2.7 175 13 287.7 288.2 279.6 296.1 2.89 9 857 1491 2.6 -10.4 38 13.0 -2.0 211 18 288.2 288.5 278.7 294.2 2.02 10 850 1557 2.4 -11.6 35 14.0 -2.4 215 19 288.7 289.0 278.7 294.2 1.85 11 819 1857 2.4 -13.6 30 16.0 -3.0 226 19 291.7 292.0 279.8 296.7 1.63 12 700 3106 -5.1 -31.1 11 26.0 -10.5 270 19 296.8 296.9 280.6 298.2 0.41 13 612 4146 -10.9 -41.9 6 31.0 -15.4 278 25 301.8 301.8 282.3 302.3 0.16 14 602 4272 -11.7 -41.7 6 30.0 -16.0 279 25 302.3 302.3 282.5 302.9 0.16 15 582 4529 -14.5 -39.5 10 25.0 -18.1 281 27 302.0 302.0 282.5 302.7 0.21 16 500 5660 -21.9 -36.9 24 15.0 -23.9 290 33 306.3 306.4 284.4 307.5 0.32 17 488 5838 -22.7 -36.7 27 14.0 -24.6 291 34 307.5 307.6 284.8 308.7 0.34 18 484 5898 -23.1 -37.1 27 14.0 -24.9 291 35 307.7 307.8 284.9 308.9 0.33 19 400 7260 -33.9 -49.9 18 16.0 -34.9 300 46 310.9 310.9 285.8 311.3 0.10 20 385 7527 -35.5 -53.5 14 18.0 -36.5 299 47 312.2 312.3 286.2 312.5 0.07 21 300 9210 -50.5 -69.5 9 19.0 -50.8 290 52 314.2 314.2 286.8 314.2 0.01 22 269 9911 -56.1 -75.1 8 19.0 -56.3 296 50 316.0 316.0 287.4 316.0 0.01 23 256 10223 -60.1 -79.1 7 19.0 -60.2 299 49 314.6 314.6 286.9 314.6 0.00 24 250 10370 -60.9 -79.9 6 19.0 -61.0 300 48 315.5 315.5 287.3 315.5 0.00 25 244 10521 -62.5 -82.5 5 20.0 -62.6 300 47 315.3 315.3 287.2 315.3 0.00 26 230 10883 -64.5 -83.5 6 19.0 -64.6 300 46 317.7 317.7 288.0 317.7 0.00 27 225 11018 -64.5 -84.5 5 20.0 -64.6 301 46 319.7 319.7 288.6 319.7 0.00 28 217 11240 -62.3 -82.3 5 20.0 -62.4 302 47 326.4 326.4 290.7 326.4 0.00 29 200 11750 -57.5 -77.5 6 20.0 -57.7 305 48 341.7 341.7 294.7 341.7 0.00 30 196 11878 -55.9 -75.9 6 20.0 -56.1 305 48 346.2 346.2 295.8 346.3 0.01 31 150 13590 -53.5 -74.5 6 21.0 -53.9 300 42 377.9 377.9 301.9 377.9 0.01 32 100 16200 -53.3 -75.3 5 22.0 -53.9 295 27 424.7 424.7 308.3 424.8 0.01 33 70 18510 -51.5 -73.5 6 22.0 -52.5 300 23 474.2 474.2 313.0 474.4 0.03 34 50 20710 -50.3 -73.3 5 23.0 -51.9 315 9 524.9 524.9 316.6 525.2 0.04 35 30 24050 -48.5 -71.5 5 23.0 -51.3 110 7 612.4 612.5 321.2 613.0 0.08 36 26 24995 -47.3 -70.3 5 23.0 -50.7 114 13 641.4 641.5 322.4 642.3 0.11 37 20 26730 -47.7 -70.7 5 23.0 -51.7 120 25 690.2 690.2 324.1 691.4 0.14 38 12 30086 -49.5 -72.5 5 23.0 -54.4 94 35 792.4 792.4 327.1 794.1 0.18 39 10 31280 -49.3 -72.3 5 23.0 -54.8 85 38 835.5 835.6 328.1 837.8 0.22 40 8.2 32586 -47.5 -70.5 5 23.0 -54.4 891.4 891.6 329.3 895.3 0.35 TRP 230 10883 -64.5 -83.5 6 19.0 -64.6 300 46 317.7 317.7 288.0 317.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5443.00 m Freezing level: 780.92 mb = 2256.47 m = 7403.03 ft Wetbulb zero: 886.10 mb = 1217.95 m = 3995.87 ft Precipitable water: 0.32 inches Sfc-500 mean rel hum: 22.99 % Est. max temperature: 16.07 C = 60.92 F Sfc-Lift cond lev (LCL): 895.97 mb = 1127.47 m = 3699.00 ft T: 5.86 C 700-500 lapse rate: 6.58 C/km ThetaE index: 4.52 C Layer 955.0- 950.0 mb Conv cond level (CCL): 710.69 mb = 2985.38 m = 9794.45 ft Mean mixing ratio: 3.89 g/kg Conv temperature: 24.30 C = 75.73 F Cap Strength: 7.79 C Lifted Index: 8.84 C Risk: None Lifted Index @300 mb: 11.94 C Lifted Index @700 mb: 5.84 C Showalter Index: 11.24 C Risk: None Total Totals Index: 34.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 10.30 C K Index: -13.30 Risk: None Sweat Index: 216.74 Risk: None Energy Index: 2.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.71 J/kg Max Up Vert Vel: 7.58 m/s Conv Inhibition (B-): 68056.95 J/kg Cap Strength: 8.81 C Lift Cond Lev (LCL): 821.80 mb = 1829.20 m = 6001.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 16 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 1013 111 70 7 -6.6 -2.4 | 104 22 -21.2 5.2 1 1000 217 95 9 -9.0 0.8 | 109 25 -23.6 8.4 2 925 867 175 13 -1.1 13.0 | 142 26 -15.8 20.5 3 850 1557 215 19 10.9 15.6 | 171 23 -3.7 23.1 4 700 3106 270 19 19.0 -0.0 | 210 9 4.4 7.6 5 500 5660 290 33 31.0 -11.3 | 283 17 16.4 -3.7 6 400 7260 300 46 39.8 -23.0 | 301 30 25.2 -15.4 7 300 9210 290 52 48.9 -17.8 | 287 36 34.2 -10.2 8 250 10370 300 48 41.6 -24.0 | 301 32 26.9 -16.4 9 230 10883 300 46 39.8 -23.0 | 301 30 25.2 -15.4 10 200 11750 305 48 39.3 -27.5 | 309 32 24.7 -20.0 11 150 13590 300 42 36.4 -21.0 | 302 26 21.8 -13.4 12 100 16200 295 27 24.5 -11.4 | 291 11 9.9 -3.8 13 70 18510 300 23 19.9 -11.5 | 307 7 5.3 -3.9 14 50 20710 315 9 6.4 -6.4 | 98 8 -8.3 1.2 15 30 24050 110 7 -6.6 2.4 | 115 23 -21.2 10.0 16 20 26730 120 25 -21.7 12.5 | 119 41 -36.3 20.1 17 10 31280 85 38 -37.9 -3.3 | 95 53 -52.5 4.3 Wind Parameters Mean winds (0-6000m): 267.4 at 21.9 knts Storm direction: 297.4 at 16.5 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 106.5 deg Storm rel helicity (0-3000m) pos: 251.8 neg: 0.0 tot: 251.8 m^2/s^2 ave: 83.9 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 7.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.23 Bulk Shear: 126.18 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 ------------------------------------------------------------------------------- 500 115 10 117 26| 11.9 0.0 11.9| 74.6 0.0 74.6 149.2 0.85| 13.3 11.2 1000 153 11 132 27| 10.0 0.0 10.0|149.9 0.0 149.9 149.9 0.91| 12.3 11.2 1500 180 13 145 26| 8.6 0.0 8.6|206.9 0.0 206.9 137.9 0.92| 11.3 10.5 2000 197 15 154 24| 6.6 0.0 6.6|228.4 0.0 228.4 114.2 0.88| 10.0 8.8 2500 210 16 162 22| 5.3 0.0 5.3|242.9 0.0 242.9 97.2 0.84| 9.2 7.8 3000 221 16 169 20| 4.4 0.0 4.4|251.8 0.0 251.8 83.9 0.80| 8.7 7.0 4000 241 18 182 16| 4.0 0.0 4.0|266.6 0.0 266.6 66.7 0.82| 7.3 6.0 5000 256 20 200 13| 3.7 0.0 3.7|284.4 0.0 284.4 56.9 0.82| 6.5 5.4 6000 267 22 220 11| 3.6 0.0 3.6|306.1 0.0 306.1 51.0 0.80| 6.1 4.9 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20250416.12.gif