UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010812.upa.cvt Date: 1200Z 8 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 8 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 1006 107 -12.7 -15.0 83 2.3 -13.2 360 7 260.0 260.2 259.6 263.2 1.18 1 1000 153 -13.3 -15.5 83 2.2 -13.7 5 7 259.9 260.0 259.4 262.9 1.14 2 925 740 -18.3 -20.5 83 2.2 -18.7 40 15 260.6 260.7 259.3 262.8 0.81 3 909 870 -18.9 -21.2 82 2.3 -19.3 42 16 261.3 261.4 259.8 263.4 0.77 4 892 1011 -18.1 -20.3 83 2.2 -18.5 44 18 263.5 263.7 261.7 265.9 0.85 5 865 1240 -19.3 -21.7 81 2.4 -19.7 48 20 264.6 264.7 262.3 266.8 0.78 6 850 1370 -17.7 -20.0 82 2.3 -18.1 50 21 267.6 267.8 264.8 270.2 0.92 7 844 1423 -17.5 -19.7 83 2.2 -17.9 49 21 268.4 268.5 265.4 271.0 0.95 8 700 2803 -25.7 -29.8 68 4.1 -26.2 35 31 274.0 274.1 268.2 275.4 0.46 9 643 3414 -29.3 -34.0 64 4.7 -29.7 26 28 276.7 276.7 269.7 277.7 0.33 10 550 4508 -38.7 -43.7 59 5.0 -38.9 10 24 278.2 278.2 270.3 278.6 0.14 11 531 4750 -38.7 -43.7 59 5.0 -38.9 6 23 281.0 281.0 272.0 281.5 0.15 12 500 5160 -42.1 -46.6 61 4.5 -42.3 360 21 281.7 281.7 272.3 282.1 0.12 13 474 5519 -44.3 -48.7 61 4.4 -44.5 344 21 283.3 283.3 273.2 283.6 0.10 14 418 6358 -45.7 -50.3 60 4.6 -45.9 308 19 291.9 291.9 277.7 292.2 0.09 15 400 6650 -46.7 -51.7 57 5.0 -46.9 295 19 294.3 294.3 278.9 294.6 0.08 16 360 7342 -49.1 -54.1 56 5.0 -49.3 282 27 300.1 300.1 281.5 300.3 0.07 17 333 7852 -49.1 -55.1 50 6.0 -49.3 273 32 306.8 306.9 284.2 307.1 0.07 18 300 8530 -52.1 -58.1 48 6.0 -52.2 260 40 311.9 311.9 286.1 312.1 0.05 19 299 8552 -52.3 -58.3 48 6.0 -52.4 260 40 311.9 311.9 286.1 312.1 0.05 20 290 8751 -51.9 -57.9 48 6.0 -52.0 256 39 315.2 315.2 287.2 315.4 0.05 21 250 9710 -55.3 -62.3 41 7.0 -55.4 240 36 323.9 323.9 290.0 324.0 0.04 22 236 10077 -56.3 -63.3 41 7.0 -56.4 241 39 327.7 327.7 291.1 327.9 0.03 23 227 10323 -58.3 -65.3 40 7.0 -58.4 242 41 328.3 328.3 291.3 328.4 0.03 24 208 10874 -58.3 -65.3 40 7.0 -58.4 244 46 336.6 336.6 293.5 336.8 0.03 25 200 11120 -59.1 -66.1 40 7.0 -59.2 245 48 339.2 339.2 294.1 339.3 0.03 26 165 12313 -62.7 -69.7 38 7.0 -62.8 245 44 352.3 352.3 297.1 352.4 0.02 27 152 12818 -61.9 -68.9 39 7.0 -62.0 245 41 362.1 362.1 299.1 362.2 0.02 28 150 12900 -62.1 -69.1 39 7.0 -62.2 245 40 363.1 363.1 299.3 363.2 0.02 29 100 15370 -68.3 -75.3 36 7.0 -68.4 245 35 395.8 395.8 304.6 395.8 0.01 30 90 16000 -70.1 -77.1 35 7.0 -70.2 249 35 404.3 404.3 305.8 404.3 0.01 31 70 17500 -69.3 -76.3 35 7.0 -69.4 260 36 436.1 436.1 309.5 436.2 0.02 32 69 17586 -69.3 -76.3 35 7.0 -69.4 260 36 437.9 437.9 309.7 438.0 0.02 33 57 18713 -73.3 -80.3 34 7.0 -73.3 260 38 453.4 453.4 311.2 453.5 0.01 34 50 19480 -72.9 -79.9 34 7.0 -73.0 260 40 471.7 471.7 312.8 471.8 0.01 35 40 20784 -75.3 -82.3 33 7.0 -75.4 258 45 496.8 496.8 314.7 496.8 0.01 36 30 22460 -73.7 -80.7 33 7.0 -73.8 255 52 543.7 543.7 317.8 543.9 0.02 37 28 22864 -72.7 -79.7 34 7.0 -72.8 557.3 557.3 318.5 557.5 0.02 38 25 23526 -74.9 -81.9 33 7.0 -75.0 569.4 569.4 319.1 569.5 0.02 TRP 165 12313 -62.7 -69.7 38 7.0 -62.8 245 44 352.3 352.3 297.1 352.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5007.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 70.92 % Est. max temperature: -6.30 C = 20.66 F Sfc-Lift cond lev (LCL): 969.25 mb = 388.13 m = 1273.37 ft T: -15.30 C 700-500 lapse rate: 6.96 C/km ThetaE index: 0.37 C Layer 1000.0- 909.0 mb Conv cond level (CCL): 911.25 mb = 851.58 m = 2793.85 ft Mean mixing ratio: 0.95 g/kg Conv temperature: -11.52 C = 11.27 F Cap Strength: 15.19 C Lifted Index: 15.48 C Risk: None Lifted Index @300 mb: 34.72 C Lifted Index @700 mb: 10.67 C Showalter Index: 9.62 C Risk: None Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 22.10 C K Index: 0.30 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.99 J/kg Max Up Vert Vel: 2.82 m/s Conv Inhibition (B-): 43608.82 J/kg Cap Strength: 15.42 C Lift Cond Lev (LCL): 923.13 mb = 755.07 m = 2477.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 53 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 1006 107 360 7 -0.0 -7.0 | 257 14 13.7 3.1 1 1000 153 5 7 -0.6 -7.0 | 256 13 13.1 3.2 2 925 740 40 15 -9.6 -11.5 | 288 4 4.1 -1.3 3 850 1370 50 21 -16.1 -13.5 | 35 4 -2.4 -3.4 4 700 2803 35 31 -17.8 -25.4 | 15 16 -4.1 -15.2 5 500 5160 360 21 -0.0 -21.0 | 308 17 13.7 -10.9 6 400 6650 295 19 17.2 -8.0 | 266 31 30.9 2.1 7 300 8530 260 40 39.4 6.9 | 252 56 53.1 17.1 8 250 9710 240 36 31.2 18.0 | 238 53 44.9 28.1 9 200 11120 245 48 43.5 20.3 | 242 65 57.2 30.4 10 165 12313 245 44 39.9 18.6 | 242 61 53.6 28.7 11 150 12900 245 40 36.3 16.9 | 242 57 50.0 27.0 12 100 15370 245 35 31.7 14.8 | 241 52 45.4 24.9 13 70 17500 260 36 35.5 6.3 | 252 52 49.2 16.4 14 50 19480 260 40 39.4 6.9 | 252 56 53.1 17.1 15 30 22460 255 52 50.2 13.5 | 250 68 63.9 23.6 Wind Parameters Mean winds (0-6000m): 23.5 at 22.7 knts Storm direction: 53.5 at 17.1 knts Shear (0-3000m) pos: 3.2 neg: 1.8 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 108.0 deg Storm rel helicity (0-3000m) pos: 17.0 neg: -19.9 tot: -2.9 m^2/s^2 ave: -1.0 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 22.13 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 21 10 264 10| 8.4 0.0 8.4| 10.6 0.0 10.6 21.3 0.46| 8.5 4.0 1000 35 13 274 6| 7.5 0.0 7.5| 14.9 0.0 14.9 14.9 0.56| 7.6 4.2 1500 41 15 293 4| 6.4 0.0 6.4| 17.0 -0.5 16.5 11.0 0.53| 6.7 3.6 2000 42 18 329 3| 4.8 1.1 5.9| 17.0 -2.6 14.4 7.2 0.40| 6.1 2.4 2500 41 20 352 5| 3.8 1.7 5.6| 17.0 -6.5 10.5 4.2 0.29| 5.8 1.7 3000 39 22 360 6| 3.2 1.8 5.0| 17.0 -19.9 -2.9 -1.0 0.15| 5.6 0.8 4000 35 23 357 9| 2.4 1.7 4.1| 17.0 -54.1 -37.0 -9.3 -0.08| 5.2 -0.4 5000 30 23 349 10| 1.9 1.8 3.7| 17.0 -85.9 -68.8 -13.8 -0.22| 5.0 -1.1 6000 23 23 337 12| 1.6 2.5 4.1| 17.0-154.1-137.1 -22.8 -0.35| 5.4 -1.9 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260108.12.gif