UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011112.upa.cvt Date: 1200Z 11 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 11 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 1002 96 -6.9 -9.8 80 2.9 -7.7 70 11 266.1 266.4 265.3 271.0 1.81 1 1000 112 -7.1 -10.0 80 2.9 -7.9 70 11 266.0 266.3 265.3 270.9 1.78 2 945 546 -11.5 -14.1 81 2.6 -12.1 66 10 265.9 266.1 264.4 269.6 1.36 3 925 709 -11.5 -14.1 81 2.6 -12.1 65 9 267.5 267.8 265.6 271.4 1.39 4 850 1372 -11.7 -14.4 80 2.7 -12.3 65 9 273.9 274.1 269.9 278.1 1.47 5 793 1904 -11.9 -14.6 80 2.7 -12.6 74 25 279.2 279.4 273.2 283.7 1.55 6 700 2855 -13.7 -16.2 81 2.5 -14.3 90 54 287.3 287.6 277.6 291.9 1.54 7 676 3120 -13.9 -16.3 82 2.4 -14.5 91 52 290.0 290.2 279.0 294.8 1.58 8 500 5340 -29.9 -32.7 77 2.8 -30.2 95 36 296.6 296.7 280.6 298.2 0.49 9 418 6590 -38.5 -41.4 74 2.9 -38.7 103 39 301.1 301.2 282.2 302.0 0.24 10 400 6890 -41.3 -44.2 73 2.9 -41.5 105 40 301.3 301.3 282.1 302.0 0.19 11 310 8571 -53.9 -57.1 68 3.2 -53.9 101 40 306.5 306.5 284.1 306.7 0.05 12 300 8780 -55.5 -58.7 67 3.2 -55.6 100 40 307.1 307.1 284.3 307.3 0.05 13 250 9930 -63.3 -66.7 63 3.4 -63.3 100 48 312.0 312.0 286.1 312.0 0.02 14 235 10307 -65.5 -68.9 62 3.4 -65.5 110 52 314.2 314.2 286.8 314.3 0.02 15 224 10599 -63.1 -66.6 62 3.5 -63.1 111 43 322.2 322.2 289.5 322.3 0.02 16 205 11140 -65.1 -68.6 62 3.5 -65.1 114 26 327.3 327.3 291.0 327.4 0.02 17 200 11290 -63.9 -67.5 61 3.6 -63.9 115 21 331.6 331.6 292.2 331.7 0.02 18 181 11907 -61.3 -64.8 63 3.5 -61.3 134 18 345.4 345.4 295.6 345.6 0.03 19 150 13070 -62.7 -67.0 56 4.3 -62.8 170 13 362.1 362.1 299.1 362.2 0.03 20 100 15540 -67.9 -73.9 42 6.0 -67.9 220 19 396.5 396.5 304.8 396.6 0.02 21 84 16576 -71.3 -77.3 40 6.0 -71.3 227 25 409.9 409.9 306.5 410.0 0.01 22 70 17650 -71.9 -77.9 40 6.0 -71.9 235 31 430.6 430.6 308.9 430.6 0.01 23 50 19620 -75.1 -82.1 33 7.0 -75.2 235 38 466.5 466.5 312.4 466.6 0.01 24 31 22374 -77.9 -84.9 31 7.0 -78.0 527.3 527.3 316.8 527.4 0.01 TRP 235 10307 -65.5 -68.9 62 3.4 -65.5 110 52 314.2 314.2 286.8 314.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5228.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 80.09 % Est. max temperature: 0.72 C = 33.29 F Sfc-Lift cond lev (LCL): 956.77 mb = 451.20 m = 1480.29 ft T: -10.54 C 700-500 lapse rate: 6.52 C/km ThetaE index: 1.35 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 627.02 mb = 3673.78 m = 12052.93 ft Mean mixing ratio: 1.49 g/kg Conv temperature: 18.73 C = 65.72 F Cap Strength: 18.13 C Lifted Index: 21.29 C Risk: None Lifted Index @300 mb: 25.75 C Lifted Index @700 mb: 16.10 C Showalter Index: 15.55 C Risk: None Total Totals Index: 33.70 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 15.50 C K Index: 1.30 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 4.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.46 J/kg Max Up Vert Vel: 4.99 m/s Conv Inhibition (B-): 42177.21 J/kg Cap Strength: 21.29 C Lift Cond Lev (LCL): 911.34 mb = 825.70 m = 2708.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 120 at 25 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 1002 96 70 11 -10.3 -3.8 | 325 20 11.3 -16.3 1 1000 112 70 11 -10.3 -3.8 | 325 20 11.3 -16.3 2 925 709 65 9 -8.2 -3.8 | 320 21 13.5 -16.3 3 850 1372 65 9 -8.2 -3.8 | 320 21 13.5 -16.3 4 700 2855 90 54 -54.0 0.0 | 69 35 -32.3 -12.5 5 500 5340 95 36 -35.9 3.1 | 57 17 -14.2 -9.4 6 400 6890 105 40 -38.6 10.4 | 83 17 -17.0 -2.2 7 300 8780 100 40 -39.4 6.9 | 73 19 -17.7 -5.6 8 250 9930 100 48 -47.3 8.3 | 81 26 -25.6 -4.2 9 235 10307 110 52 -48.9 17.8 | 101 28 -27.2 5.2 10 200 11290 115 21 -19.0 8.9 | 324 5 2.6 -3.7 11 150 13070 170 13 -2.3 12.8 | 269 19 19.4 0.3 12 100 15540 220 19 12.2 14.6 | 267 34 33.9 2.0 13 70 17650 235 31 25.4 17.8 | 264 47 47.0 5.2 14 50 19620 235 38 31.1 21.8 | 260 54 52.8 9.3 Wind Parameters Mean winds (0-6000m): 90.1 at 33.4 knts Storm direction: 120.1 at 25.0 knts Shear (0-3000m) pos: 7.6 neg: 0.4 tot: 8.0 10-3/s Storm rel Dir Shear (0-3000m): 103.2 deg Storm rel helicity (0-3000m) pos: 263.5 neg: -11.0 tot: 252.5 m^2/s^2 ave: 84.2 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: 0.01 Bulk Rich Number: 0.16 Bulk Shear: 77.38 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 68 10 323 20| 0.0 1.8 1.8| 0.0 -7.5 -7.5 -15.0 -0.78| 1.8 -1.4 1000 67 10 322 21| 0.0 1.1 1.1| 0.0 -9.3 -9.3 -9.3 -0.79| 1.1 -0.9 1500 67 10 323 21| 2.4 0.7 3.1| 35.5 -9.3 26.2 17.5 0.55| 3.1 1.7 2000 71 13 331 19| 5.7 0.6 6.3|115.3 -9.3 106.0 53.0 0.82| 6.3 5.2 2500 78 18 347 17| 7.8 0.4 8.2|207.1 -9.3 197.7 79.1 0.84| 8.4 7.1 3000 84 24 7 15| 7.6 0.4 8.0|263.5 -11.0 252.5 84.2 0.80| 8.7 7.0 4000 87 30 30 16| 4.8 0.3 5.1|263.5 -21.8 241.7 60.4 0.68| 7.5 5.1 5000 89 33 39 17| 3.1 0.2 3.3|263.5 -35.9 227.6 45.5 0.56| 6.8 3.8 6000 90 33 43 17| 2.7 0.2 2.8|279.4 -39.1 240.3 40.1 0.56| 6.1 3.4 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260111.12.gif