UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011612.upa.cvt Date: 1200Z 16 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 16 JAN 26 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 1019 110 -5.3 -7.8 83 2.5 -6.1 225 1 266.4 266.7 266.0 272.0 2.08 1 1000 257 -6.9 -9.6 81 2.7 -7.7 230 5 266.2 266.5 265.5 271.2 1.84 2 989 343 -7.5 -10.0 82 2.5 -8.2 234 6 266.5 266.8 265.6 271.4 1.80 3 983 391 -6.7 -9.3 82 2.6 -7.5 237 6 267.8 268.1 266.7 273.0 1.92 4 978 431 -3.1 -5.5 83 2.4 -3.9 239 7 271.8 272.2 270.4 278.8 2.59 5 964 545 -2.3 -4.5 85 2.2 -3.1 244 8 273.7 274.2 272.0 281.5 2.83 6 925 871 -5.1 -8.9 75 3.8 -6.3 260 11 274.1 274.4 271.1 280.0 2.10 7 852 1510 -10.5 -12.4 86 1.9 -11.0 275 13 275.0 275.3 271.1 279.8 1.73 8 850 1528 -10.1 -12.0 86 1.9 -10.6 275 13 275.6 275.9 271.5 280.6 1.79 9 847 1555 -8.3 -10.0 88 1.7 -8.8 275 13 277.7 278.1 273.3 283.7 2.11 10 845 1574 -7.7 -9.6 86 1.9 -8.3 276 14 278.5 278.9 273.9 284.7 2.18 11 760 2395 -9.7 -17.7 52 8.0 -11.7 289 23 285.0 285.2 276.0 288.7 1.25 12 730 2706 -10.3 -16.3 61 6.0 -11.9 295 27 287.6 287.9 277.7 292.0 1.46 13 700 3028 -11.9 -16.9 66 5.0 -13.2 300 31 289.3 289.6 278.5 293.7 1.45 14 646 3638 -14.5 -18.1 74 3.6 -15.4 301 32 293.1 293.3 280.2 297.5 1.42 15 625 3887 -15.3 -19.4 71 4.1 -16.3 302 33 294.9 295.2 280.9 299.0 1.32 16 535 5041 -23.5 -30.5 53 7.0 -24.5 304 35 298.6 298.7 281.5 300.4 0.56 17 500 5530 -28.1 -39.1 34 11.0 -29.2 305 36 298.8 298.8 281.2 299.7 0.26 18 492 5646 -29.3 -39.3 37 10.0 -30.3 305 36 298.7 298.7 281.1 299.6 0.26 19 432 6561 -37.7 -44.7 48 7.0 -38.1 302 37 299.3 299.4 281.3 299.9 0.17 20 418 6788 -38.7 -45.7 48 7.0 -39.1 301 38 300.9 300.9 281.9 301.4 0.15 21 407 6971 -39.9 -46.9 47 7.0 -40.3 300 38 301.6 301.7 282.2 302.1 0.14 22 400 7090 -41.1 -49.1 42 8.0 -41.5 300 38 301.6 301.6 282.1 302.0 0.11 23 350 7981 -48.3 -58.3 31 10.0 -48.6 307 42 303.6 303.6 282.9 303.7 0.04 24 303 8916 -54.3 -64.3 28 10.0 -54.4 314 46 307.9 307.9 284.6 308.0 0.02 25 300 8980 -54.5 -64.5 28 10.0 -54.6 315 46 308.5 308.5 284.8 308.6 0.02 26 250 10130 -59.7 -69.7 26 10.0 -59.8 295 40 317.3 317.3 287.9 317.4 0.01 27 235 10517 -62.1 -72.1 25 10.0 -62.2 300 36 319.3 319.3 288.5 319.4 0.01 28 217 11012 -62.7 -73.7 21 11.0 -62.8 295 36 325.8 325.8 290.5 325.8 0.01 29 200 11520 -60.5 -71.5 22 11.0 -60.6 290 36 337.0 337.0 293.6 337.0 0.01 30 192 11774 -59.1 -70.1 23 11.0 -59.2 291 34 343.2 343.2 295.1 343.2 0.02 31 172 12456 -61.7 -72.7 22 11.0 -61.8 295 30 349.8 349.8 296.6 349.9 0.01 32 166 12677 -58.5 -69.5 23 11.0 -58.7 296 29 358.7 358.7 298.5 358.8 0.02 33 150 13310 -59.5 -71.5 20 12.0 -59.7 300 25 367.6 367.6 300.1 367.6 0.02 34 137 13880 -57.7 -70.7 18 13.0 -57.9 302 25 380.4 380.4 302.3 380.5 0.02 35 100 15850 -61.7 -75.7 14 14.0 -61.9 310 25 408.5 408.5 306.3 408.6 0.01 36 74 17693 -63.9 -78.9 11 15.0 -64.1 306 28 440.6 440.6 310.0 440.7 0.01 37 70 18030 -65.3 -80.3 11 15.0 -65.5 305 29 444.7 444.7 310.3 444.7 0.01 38 62 18764 -68.5 -83.5 10 15.0 -68.7 301 32 453.3 453.3 311.1 453.3 0.01 39 50 20050 -70.1 -85.1 9 15.0 -70.2 295 36 478.3 478.3 313.3 478.3 0.01 40 34 22329 -72.5 -88.5 7 16.0 -72.6 295 61 527.8 527.8 316.8 527.8 0.00 41 30 23060 -74.9 -89.9 8 15.0 -75.0 295 69 540.5 540.5 317.5 540.5 0.00 42 25 24122 -72.1 -88.1 7 16.0 -72.3 295 77 577.4 577.4 319.5 577.5 0.01 43 20 25430 -72.5 -88.5 7 16.0 -72.8 295 87 614.2 614.3 321.2 614.3 0.01 44 10 29520 -71.5 -87.5 7 16.0 -72.1 295 141 752.7 752.7 326.0 752.8 0.02 45 9.5 29823 -71.3 -87.3 8 16.0 -71.9 764.5 764.5 326.3 764.7 0.02 46 9.0 30145 -68.8 -85.6 7 16.9 -69.6 295 143 786.3 786.3 326.9 786.5 0.03 47 8.4 30561 -65.5 -83.5 6 18.0 -66.9 814.7 814.7 327.6 815.1 0.04 TRP 235 10517 -62.1 -72.1 25 10.0 -62.2 300 36 319.3 319.3 288.5 319.4 0.01 WND 9.0 30145 -68.8 -85.6 7 16.9 -69.6 295 143 786.3 786.3 326.9 786.5 0.03 Sounding variables and indices 1000-500 mb thick: 5273.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 67.46 % Est. max temperature: 3.10 C = 37.57 F Sfc-Lift cond lev (LCL): 979.35 mb = 419.83 m = 1377.38 ft T: -4.08 C 700-500 lapse rate: 6.47 C/km ThetaE index: 1.64 C Layer 925.0- 850.0 mb Conv cond level (CCL): 999.14 mb = 263.70 m = 865.14 ft Mean mixing ratio: 2.27 g/kg Conv temperature: -5.44 C = 22.20 F Cap Strength: 18.37 C Lifted Index: 18.05 C Risk: None Lifted Index @300 mb: 22.24 C Lifted Index @700 mb: 12.92 C Showalter Index: 15.33 C Risk: None Total Totals Index: 34.10 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 16.10 C K Index: 1.00 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 4.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.09 J/kg Max Up Vert Vel: 9.81 m/s Conv Inhibition (B-): 53399.48 J/kg Cap Strength: 18.32 C Lift Cond Lev (LCL): 927.98 mb = 845.57 m = 2774.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 19 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 110 225 1 0.7 0.7 | 150 19 -9.5 16.8 1 1000 257 230 5 3.8 3.2 | 162 20 -6.4 19.3 2 925 871 260 11 10.8 1.9 | 182 18 0.6 18.0 3 850 1528 275 13 13.0 -1.1 | 190 15 2.7 14.9 4 700 3028 300 31 26.8 -15.5 | 268 17 16.6 0.6 5 500 5530 305 36 29.5 -20.6 | 283 20 19.3 -4.6 6 400 7090 300 38 32.9 -19.0 | 277 23 22.7 -2.9 7 300 8980 315 46 32.5 -32.5 | 306 28 22.3 -16.5 8 250 10130 295 40 36.3 -16.9 | 272 26 26.0 -0.8 9 235 10517 300 36 31.2 -18.0 | 275 21 20.9 -1.9 10 200 11520 290 36 33.8 -12.3 | 261 24 23.6 3.8 11 150 13310 300 25 21.7 -12.5 | 253 12 11.4 3.6 12 100 15850 310 25 19.2 -16.1 | 270 9 8.9 -0.0 13 70 18030 305 29 23.8 -16.6 | 272 14 13.5 -0.6 14 50 20050 295 36 32.6 -15.2 | 268 22 22.4 0.9 15 30 23060 295 69 62.5 -29.2 | 284 54 52.3 -13.1 16 20 25430 295 87 78.8 -36.8 | 287 72 68.6 -20.7 17 10 29520 295 141 127.8 -59.6 | 290 125 117.6 -43.5 Wind Parameters Mean winds (0-6000m): 297.5 at 25.4 knts Storm direction: 327.5 at 19.1 knts Shear (0-3000m) pos: 5.3 neg: 0.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 118.2 deg Storm rel helicity (0-3000m) pos: 146.3 neg: 0.0 tot: 146.3 m^2/s^2 ave: 48.8 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 5.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.69 Bulk Shear: 69.85 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 ------------------------------------------------------------------------------- 500 239 6 164 20| 7.7 0.0 7.7| 40.8 0.0 40.8 81.7 0.97| 8.2 8.0 1000 254 8 172 19| 5.7 0.0 5.7| 59.9 0.0 59.9 59.9 0.92| 6.5 6.0 1500 262 10 177 17| 4.6 0.0 4.6| 70.5 0.0 70.5 47.0 0.88| 5.5 4.9 2000 269 11 184 16| 5.0 0.0 5.0| 95.2 0.0 95.2 47.6 0.92| 5.8 5.3 2500 277 14 193 15| 5.3 0.0 5.3|121.3 0.0 121.3 48.5 0.93| 6.1 5.7 3000 285 16 205 13| 5.3 0.0 5.3|146.3 0.0 146.3 48.8 0.94| 6.1 5.7 4000 291 20 224 12| 4.2 0.0 4.2|155.2 0.0 155.2 38.8 0.93| 4.9 4.6 5000 295 23 240 12| 3.6 0.0 3.6|164.7 0.0 164.7 32.9 0.93| 4.1 3.8 6000 298 25 251 13| 3.1 0.1 3.2|168.6 -4.2 164.4 27.4 0.88| 3.7 3.2 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260116.12.gif