UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010712.upa.cvt Date: 1200Z 7 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 7 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 109 -8.3 -10.2 86 1.9 -8.8 90 11 264.2 264.5 263.8 268.9 1.74 1 1000 178 -8.7 -12.1 76 3.4 -9.5 90 11 264.5 264.7 263.6 268.5 1.51 2 930 735 -12.9 -14.6 87 1.7 -13.3 95 15 265.7 265.9 264.1 269.3 1.32 3 925 776 -13.1 -14.8 87 1.7 -13.5 95 15 265.9 266.1 264.3 269.5 1.31 4 913 875 -13.3 -14.9 88 1.6 -13.6 96 15 266.7 266.9 264.8 270.3 1.31 5 850 1419 -13.9 -21.9 51 8.0 -15.4 100 17 271.6 271.7 267.3 273.8 0.78 6 841 1500 -14.1 -24.1 42 10.0 -15.8 101 17 272.2 272.3 267.4 274.1 0.65 7 826 1636 -15.1 -27.1 35 12.0 -17.0 101 18 272.6 272.6 267.4 274.0 0.50 8 816 1727 -15.9 -28.9 32 13.0 -17.8 102 19 272.7 272.7 267.3 273.9 0.43 9 776 2103 -18.7 -32.7 28 14.0 -20.4 105 21 273.6 273.6 267.7 274.6 0.31 10 766 2200 -19.5 -32.5 31 13.0 -21.1 105 21 273.7 273.8 267.8 274.7 0.33 11 700 2864 -22.5 -28.5 58 6.0 -23.3 110 25 277.6 277.7 270.6 279.1 0.52 12 678 3097 -23.9 -28.9 63 5.0 -24.5 113 25 278.6 278.6 271.2 280.1 0.52 13 583 4177 -32.5 -36.6 67 4.1 -32.9 126 26 280.8 280.9 272.1 281.7 0.29 14 500 5240 -39.9 -43.6 68 3.7 -40.1 140 27 284.4 284.4 274.0 284.9 0.16 15 448 5981 -44.5 -48.0 68 3.5 -44.6 152 28 287.7 287.7 275.6 288.1 0.11 16 434 6193 -45.5 -48.9 68 3.4 -45.6 156 28 289.0 289.0 276.3 289.4 0.10 17 400 6730 -50.1 -53.5 67 3.4 -50.2 165 29 289.9 289.9 276.7 290.1 0.07 18 399 6746 -50.5 -53.9 67 3.4 -50.6 165 29 289.6 289.6 276.5 289.8 0.06 19 347 7659 -50.3 -53.9 66 3.6 -50.4 192 41 301.6 301.6 282.1 301.9 0.07 20 324 8104 -53.1 -57.2 61 4.1 -53.2 205 47 303.7 303.8 283.0 303.9 0.05 21 300 8600 -54.1 -58.5 58 4.4 -54.2 220 54 309.1 309.1 285.1 309.3 0.05 22 250 9760 -58.5 -63.5 52 5.0 -58.6 225 71 319.1 319.1 288.5 319.2 0.03 23 249 9785 -58.6 -63.6 52 5.0 -58.6 225 73 319.4 319.4 288.6 319.5 0.03 24 200 11140 -62.3 -68.3 44 6.0 -62.4 240 68 334.1 334.1 292.9 334.2 0.02 25 198 11202 -62.7 -68.7 44 6.0 -62.8 240 66 334.4 334.4 292.9 334.5 0.02 26 180 11792 -60.9 -66.9 45 6.0 -61.0 242 61 346.6 346.6 295.9 346.7 0.03 27 150 12920 -63.1 -69.1 44 6.0 -63.2 245 50 361.4 361.4 299.0 361.5 0.02 28 100 15380 -67.5 -74.5 36 7.0 -67.6 250 40 397.3 397.3 304.9 397.4 0.02 29 70 17520 -71.5 -78.5 34 7.0 -71.6 250 46 431.4 431.4 309.0 431.5 0.01 30 50 19500 -71.9 -78.9 34 7.0 -72.0 255 48 474.1 474.1 313.0 474.1 0.02 31 39 20962 -72.7 -79.7 34 7.0 -72.8 506.9 507.0 315.4 507.1 0.02 TRP 198 11202 -62.7 -68.7 44 6.0 -62.8 240 66 334.4 334.4 292.9 334.5 0.02 WND 249 9785 -58.6 -63.6 52 5.0 -58.6 225 73 319.4 319.4 288.6 319.5 0.03 Sounding variables and indices 1000-500 mb thick: 5062.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 60.94 % Est. max temperature: -1.60 C = 29.13 F Sfc-Lift cond lev (LCL): 978.74 mb = 342.93 m = 1125.07 ft T: -9.94 C 700-500 lapse rate: 7.32 C/km ThetaE index: 0.31 C Layer 1000.0- 930.0 mb Conv cond level (CCL): 823.19 mb = 1661.36 m = 5450.59 ft Mean mixing ratio: 1.41 g/kg Conv temperature: 0.13 C = 32.24 F Cap Strength: 10.40 C Lifted Index: 12.70 C Risk: None Lifted Index @300 mb: 28.32 C Lifted Index @700 mb: 8.71 C Showalter Index: 8.89 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 18.00 C K Index: -1.90 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 2.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.76 J/kg Max Up Vert Vel: 3.68 m/s Conv Inhibition (B-): 36271.49 J/kg Cap Strength: 12.60 C Lift Cond Lev (LCL): 922.07 mb = 800.19 m = 2625.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 151 at 17 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 109 90 11 -11.0 0.0 | 11 15 -2.8 -14.9 1 1000 178 90 11 -11.0 0.0 | 11 15 -2.8 -14.9 2 925 776 95 15 -14.9 1.3 | 26 15 -6.8 -13.6 3 850 1419 100 17 -16.7 3.0 | 36 15 -8.6 -11.9 4 700 2864 110 25 -23.5 8.6 | 68 17 -15.3 -6.3 5 500 5240 140 27 -17.4 20.7 | 122 11 -9.2 5.8 6 400 6730 165 29 -7.5 28.0 | 183 13 0.7 13.1 7 300 8600 220 54 34.7 41.4 | 238 50 42.9 26.5 8 250 9760 225 71 50.2 50.2 | 239 68 58.4 35.3 9 249 9785 225 73 51.6 51.6 | 238 70 59.8 36.7 10 200 11140 240 68 58.9 34.0 | 254 70 67.1 19.1 11 198 11202 240 66 57.2 33.0 | 255 68 65.3 18.1 12 150 12920 245 50 45.3 21.1 | 263 54 53.5 6.2 13 100 15380 250 40 37.6 13.7 | 272 46 45.8 -1.2 14 70 17520 250 46 43.2 15.7 | 269 51 51.4 0.8 15 50 19500 255 48 46.4 12.4 | 273 55 54.5 -2.5 Wind Parameters Mean winds (0-6000m): 121.2 at 22.6 knts Storm direction: 151.2 at 17.0 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 60.8 deg Storm rel helicity (0-3000m) pos: 66.0 neg: 0.0 tot: 66.0 m^2/s^2 ave: 22.0 10^-3 m/s^2 rel: 0.97 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 23.82 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 92 12 16 15| 3.1 0.0 3.1| 11.9 0.0 11.9 23.9 1.00| 3.1 3.1 1000 94 14 21 15| 2.7 0.0 2.7| 21.5 0.0 21.5 21.5 1.00| 2.8 2.8 1500 96 15 26 15| 2.6 0.0 2.6| 30.4 0.0 30.4 20.3 0.99| 2.6 2.6 2000 98 16 31 15| 2.7 0.0 2.7| 42.2 0.0 42.2 21.1 0.99| 2.8 2.7 2500 101 17 37 15| 2.8 0.0 2.8| 54.6 0.0 54.6 21.8 0.99| 2.8 2.8 3000 103 18 42 15| 2.7 0.0 2.7| 66.0 0.0 66.0 22.0 0.97| 2.9 2.8 4000 108 20 52 14| 2.4 0.0 2.4| 84.8 0.0 84.8 21.2 0.95| 2.9 2.7 5000 114 22 63 13| 2.2 0.0 2.2|102.2 0.0 102.2 20.4 0.95| 2.9 2.8 6000 121 23 74 12| 2.2 0.0 2.2|124.6 0.0 124.6 20.8 0.96| 3.1 3.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260107.12.gif