UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011212.upa.cvt Date: 1200Z 12 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 12 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 1009 106 -8.1 -9.3 91 1.2 -8.4 70 7 264.4 264.7 264.2 269.4 1.87 1 1000 175 -8.7 -9.9 91 1.2 -9.0 70 7 264.5 264.7 264.1 269.3 1.80 2 925 774 -12.5 -14.1 88 1.6 -12.9 80 17 266.5 266.8 264.8 270.3 1.39 3 917 840 -13.5 -15.1 88 1.6 -13.9 82 17 266.2 266.4 264.4 269.7 1.29 4 908 916 -11.9 -13.7 86 1.8 -12.3 83 17 268.6 268.8 266.4 272.6 1.46 5 870 1242 -12.9 -14.1 91 1.2 -13.2 91 18 270.8 271.1 268.0 274.9 1.47 6 867 1269 -12.7 -14.0 90 1.3 -13.0 91 19 271.3 271.5 268.3 275.5 1.49 7 850 1420 -11.9 -13.9 85 2.0 -12.4 95 19 273.7 273.9 269.9 278.0 1.53 8 849 1429 -11.9 -13.9 85 2.0 -12.4 95 19 273.8 274.0 270.0 278.1 1.54 9 843 1483 -9.7 -12.8 78 3.1 -10.5 96 19 276.6 276.9 272.0 281.5 1.69 10 782 2059 -13.5 -21.5 51 8.0 -15.1 101 18 278.6 278.7 271.8 281.2 0.88 11 780 2078 -13.3 -21.3 51 8.0 -14.9 102 18 279.0 279.1 272.1 281.6 0.89 12 767 2206 -12.9 -18.9 61 6.0 -14.3 103 18 280.8 281.0 273.5 284.1 1.12 13 707 2825 -14.7 -17.8 77 3.1 -15.4 109 17 285.4 285.6 276.3 289.4 1.33 14 700 2900 -15.1 -18.1 78 3.0 -15.8 110 17 285.8 286.0 276.5 289.7 1.31 15 668 3252 -16.1 -19.0 78 2.9 -16.8 109 19 288.5 288.7 277.8 292.4 1.27 16 534 4900 -26.9 -29.5 79 2.6 -27.3 102 28 294.6 294.8 279.8 296.6 0.62 17 529 4968 -28.5 -31.1 78 2.6 -28.8 102 29 293.5 293.6 279.2 295.3 0.54 18 528 4981 -28.5 -31.1 78 2.6 -28.8 102 29 293.7 293.8 279.3 295.4 0.54 19 503 5327 -29.9 -34.9 62 5.0 -30.4 100 31 296.1 296.1 280.2 297.4 0.39 20 500 5370 -30.3 -35.3 62 5.0 -30.8 100 31 296.1 296.2 280.1 297.4 0.38 21 403 6869 -41.5 -49.5 42 8.0 -41.9 100 35 300.4 300.4 281.7 300.8 0.10 22 400 6920 -41.9 -49.9 41 8.0 -42.2 100 35 300.5 300.6 281.7 300.9 0.10 23 300 8810 -55.9 -62.9 41 7.0 -56.0 100 40 306.6 306.6 284.1 306.7 0.03 24 299 8831 -56.3 -63.3 41 7.0 -56.4 100 40 306.3 306.3 284.0 306.4 0.03 25 250 9950 -63.3 -70.3 38 7.0 -63.3 100 38 312.0 312.0 286.1 312.0 0.01 26 234 10356 -64.7 -71.7 38 7.0 -64.7 100 33 315.8 315.8 287.3 315.8 0.01 27 222 10679 -63.3 -70.3 38 7.0 -63.4 103 30 322.7 322.7 289.6 322.8 0.01 28 200 11320 -64.5 -71.5 38 7.0 -64.6 110 23 330.6 330.6 291.9 330.7 0.01 29 197 11411 -64.7 -71.7 38 7.0 -64.8 110 22 331.7 331.7 292.2 331.8 0.01 30 174 12170 -61.1 -69.1 34 8.0 -61.2 110 14 349.7 349.7 296.5 349.7 0.02 31 150 13080 -63.3 -71.3 33 8.0 -63.4 110 5 361.0 361.0 298.9 361.1 0.02 32 106 15191 -69.3 -78.3 26 9.0 -69.4 256 10 387.3 387.3 303.4 387.4 0.01 33 100 15540 -69.3 -78.3 26 9.0 -69.4 280 11 393.8 393.8 304.3 393.9 0.01 34 70 17660 -72.1 -82.1 21 10.0 -72.2 295 15 430.1 430.1 308.9 430.2 0.01 35 50 19610 -74.5 -84.5 20 10.0 -74.6 290 21 467.9 467.9 312.5 468.0 0.01 36 30 22560 -76.7 -86.7 19 10.0 -76.8 285 35 535.5 535.5 317.2 535.6 0.01 37 22 24330 -79.5 -89.5 18 10.0 -79.6 277 36 576.9 576.9 319.5 576.9 0.01 38 20 24870 -79.3 -89.3 18 10.0 -79.4 275 36 593.4 593.4 320.3 593.5 0.01 39 16 26142 -77.7 -87.7 18 10.0 -77.9 637.8 637.8 322.2 637.8 0.01 TRP 234 10356 -64.7 -71.7 38 7.0 -64.7 100 33 315.8 315.8 287.3 315.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5195.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 77.02 % Est. max temperature: -0.04 C = 31.93 F Sfc-Lift cond lev (LCL): 989.70 mb = 254.55 m = 835.13 ft T: -9.20 C 700-500 lapse rate: 6.15 C/km ThetaE index: 0.63 C Layer 917.0- 908.0 mb Conv cond level (CCL): 924.38 mb = 779.16 m = 2556.25 ft Mean mixing ratio: 1.57 g/kg Conv temperature: -5.97 C = 21.26 F Cap Strength: 21.70 C Lifted Index: 21.65 C Risk: None Lifted Index @300 mb: 25.99 C Lifted Index @700 mb: 15.47 C Showalter Index: 15.18 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 16.40 C K Index: 1.50 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 4.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.72 J/kg Max Up Vert Vel: 4.18 m/s Conv Inhibition (B-): 52955.02 J/kg Cap Strength: 21.41 C Lift Cond Lev (LCL): 937.16 mb = 673.62 m = 2210.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 130 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 1009 106 70 7 -6.6 -2.4 | 335 14 5.9 -12.7 1 1000 175 70 7 -6.6 -2.4 | 335 14 5.9 -12.7 2 925 774 80 17 -16.7 -3.0 | 18 14 -4.3 -13.3 3 850 1420 95 19 -18.9 1.7 | 37 11 -6.5 -8.7 4 700 2900 110 17 -16.0 5.8 | 38 6 -3.5 -4.5 5 500 5370 100 31 -30.5 5.4 | 75 19 -18.1 -4.9 6 400 6920 100 35 -34.5 6.1 | 79 22 -22.0 -4.2 7 300 8810 100 40 -39.4 6.9 | 83 27 -27.0 -3.4 8 250 9950 100 38 -37.4 6.6 | 82 25 -25.0 -3.7 9 234 10356 100 33 -32.5 5.7 | 77 21 -20.1 -4.6 10 200 11320 110 23 -21.6 7.9 | 75 10 -9.2 -2.5 11 150 13080 110 5 -4.7 1.7 | 318 12 7.7 -8.6 12 100 15540 280 11 10.8 -1.9 | 298 26 23.3 -12.2 13 70 17660 295 15 13.6 -6.3 | 303 31 26.0 -16.7 14 50 19610 290 21 19.7 -7.2 | 299 37 32.2 -17.5 15 30 22560 285 35 33.8 -9.1 | 293 50 46.2 -19.4 16 20 24870 275 36 35.9 -3.1 | 286 50 48.3 -13.5 Wind Parameters Mean winds (0-6000m): 99.7 at 21.5 knts Storm direction: 129.7 at 16.2 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 72.0 deg Storm rel helicity (0-3000m) pos: 52.2 neg: -0.1 tot: 52.1 m^2/s^2 ave: 17.4 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.38 Bulk Shear: 22.90 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 74 10 348 13| 7.5 0.0 7.5| 26.1 0.0 26.1 52.3 0.99| 7.5 7.5 1000 80 13 4 13| 5.9 0.0 5.9| 43.6 0.0 43.6 43.6 0.96| 6.5 6.3 1500 85 15 13 12| 4.4 0.0 4.4| 50.1 0.0 50.1 33.4 0.90| 5.5 4.9 2000 89 16 19 11| 3.3 0.0 3.3| 50.6 0.0 50.6 25.3 0.82| 4.5 3.7 2500 93 16 22 10| 2.6 0.0 2.6| 50.6 -0.0 50.6 20.3 0.75| 4.0 3.0 3000 95 17 25 10| 2.3 0.0 2.3| 52.2 -0.1 52.1 17.4 0.72| 3.7 2.6 4000 99 18 33 9| 1.7 0.8 2.5| 59.0 -0.1 58.9 14.7 0.68| 3.5 2.4 5000 100 19 44 10| 1.4 1.2 2.6| 63.7 -0.1 63.6 12.7 0.59| 3.4 2.0 6000 100 22 53 11| 1.2 1.3 2.5| 68.4 -0.1 68.4 11.4 0.56| 3.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260112.12.gif