UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 22 APR 25 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 112 0.8 -6.2 59 7.0 -1.7 45 5 273.5 273.9 271.2 280.1 2.39 1 1000 160 1.4 -4.6 64 6.0 -0.8 45 5 274.5 275.0 272.3 282.0 2.71 2 997 184 1.4 -4.6 64 6.0 -0.8 46 6 274.8 275.2 272.5 282.3 2.72 3 940 654 -2.7 -9.7 59 7.0 -4.9 61 19 275.3 275.6 271.6 280.7 1.94 4 925 782 -1.7 -8.7 59 7.0 -4.0 65 23 277.6 277.9 273.2 283.6 2.14 5 920 825 -1.5 -8.5 59 7.0 -3.8 63 22 278.2 278.6 273.6 284.4 2.18 6 882 1159 -4.1 -11.1 58 7.0 -6.2 51 18 278.9 279.2 273.6 284.2 1.85 7 856 1395 -3.5 -9.5 63 6.0 -5.5 42 16 281.9 282.3 275.7 288.2 2.17 8 850 1451 -3.7 -9.7 63 6.0 -5.7 40 15 282.3 282.6 275.9 288.5 2.15 9 812 1810 -6.3 -12.3 62 6.0 -8.1 19 15 283.2 283.5 275.9 288.6 1.83 10 801 1917 -6.1 -12.1 62 6.0 -7.9 12 15 284.5 284.9 276.7 290.1 1.88 11 755 2381 -4.9 -13.9 49 9.0 -7.7 345 15 290.7 291.0 279.5 295.9 1.73 12 700 2972 -7.7 -21.7 32 14.0 -11.2 310 15 294.0 294.1 280.0 297.0 0.96 13 613 3993 -13.5 -34.5 15 21.0 -16.9 300 19 298.7 298.7 281.3 299.8 0.33 14 605 4093 -13.9 -34.9 15 21.0 -17.3 299 19 299.3 299.4 281.5 300.4 0.33 15 500 5510 -24.7 -34.7 39 10.0 -26.0 285 25 302.9 303.0 283.1 304.3 0.40 16 456 6172 -29.9 -39.9 37 10.0 -30.9 293 27 304.5 304.5 283.5 305.4 0.26 17 400 7090 -36.9 -46.9 35 10.0 -37.5 305 29 307.0 307.1 284.4 307.5 0.14 18 376 7515 -40.1 -51.1 30 11.0 -40.6 307 31 308.3 308.3 284.8 308.6 0.09 19 315 8694 -50.7 -62.7 23 12.0 -50.9 313 38 309.5 309.5 285.2 309.6 0.03 20 300 9010 -52.9 -63.9 25 11.0 -53.1 315 40 310.8 310.8 285.7 310.9 0.02 21 290 9227 -54.3 -66.3 22 12.0 -54.5 317 40 311.8 311.8 286.0 311.9 0.02 22 273 9611 -55.9 -67.9 21 12.0 -56.1 320 40 314.9 314.9 287.1 315.0 0.02 23 265 9800 -56.3 -68.3 21 12.0 -56.5 315 40 317.0 317.0 287.8 317.1 0.01 24 253 10094 -54.9 -66.9 21 12.0 -55.1 307 40 323.3 323.3 289.8 323.4 0.02 25 250 10170 -55.3 -67.3 21 12.0 -55.5 305 40 323.9 323.9 289.9 323.9 0.02 26 200 11610 -50.7 -63.7 20 13.0 -51.1 280 38 352.5 352.5 297.2 352.6 0.04 27 196 11742 -50.5 -63.5 20 13.0 -50.9 280 38 354.8 354.9 297.7 355.0 0.04 28 150 13490 -50.9 -63.9 20 13.0 -51.4 275 40 382.4 382.4 302.6 382.6 0.05 29 104 15858 -54.5 -69.5 14 15.0 -55.0 275 32 417.7 417.7 307.4 417.9 0.03 30 100 16110 -54.5 -69.5 14 15.0 -55.0 275 31 422.4 422.4 308.0 422.6 0.03 31 70 18400 -54.1 -69.1 14 15.0 -54.8 285 25 468.6 468.7 312.5 468.9 0.05 32 50 20560 -55.5 -71.5 12 16.0 -56.3 295 19 512.7 512.7 315.8 513.0 0.05 33 49 20689 -55.7 -71.7 12 16.0 -56.6 296 19 515.2 515.2 316.0 515.5 0.05 34 30 23830 -55.1 -72.1 10 17.0 -56.5 315 15 594.4 594.5 320.4 595.0 0.08 35 20 26400 -54.9 -72.9 9 18.0 -56.9 335 19 668.1 668.2 323.4 669.0 0.10 36 15 28241 -54.5 -72.5 9 18.0 -57.1 726.8 726.8 325.3 728.0 0.14 TRP 273 9611 -55.9 -67.9 21 12.0 -56.1 320 40 314.9 314.9 287.1 315.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5350.00 m Freezing level: 977.54 mb = 344.70 m = 1130.88 ft Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 41.07 % Est. max temperature: 9.24 C = 48.64 F Sfc-Lift cond lev (LCL): 901.78 mb = 983.61 m = 3227.03 ft T: -2.73 C 700-500 lapse rate: 6.70 C/km ThetaE index: 1.56 C Layer 940.0- 925.0 mb Conv cond level (CCL): 620.31 mb = 3901.58 m = 12800.29 ft Mean mixing ratio: 2.27 g/kg Conv temperature: 25.61 C = 78.09 F Cap Strength: 16.26 C Lifted Index: 17.53 C Risk: None Lifted Index @300 mb: 20.32 C Lifted Index @700 mb: 13.37 C Showalter Index: 12.66 C Risk: None Total Totals Index: 36.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 15.00 C K Index: -2.70 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.10 J/kg Max Up Vert Vel: 5.85 m/s Conv Inhibition (B-): 57604.05 J/kg Cap Strength: 17.49 C Lift Cond Lev (LCL): 861.27 mb = 1347.02 m = 4419.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 at 14 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 112 45 5 -3.5 -3.5 | 149 12 -6.0 10.1 1 1000 160 45 5 -3.5 -3.5 | 149 12 -6.0 10.1 2 925 782 65 23 -20.8 -9.7 | 100 24 -23.4 3.9 3 850 1451 40 15 -9.6 -11.5 | 100 12 -12.2 2.2 4 700 2972 310 15 11.5 -9.6 | 246 10 9.0 4.0 5 500 5510 285 25 24.1 -6.5 | 252 23 21.6 7.2 6 400 7090 305 29 23.8 -16.6 | 278 21 21.2 -3.0 7 300 9010 315 40 28.3 -28.3 | 300 30 25.8 -14.6 8 273 9611 320 40 25.7 -30.6 | 306 29 23.2 -17.0 9 250 10170 305 40 32.8 -22.9 | 287 32 30.3 -9.3 10 200 11610 280 38 37.4 -6.6 | 259 36 34.9 7.1 11 150 13490 275 40 39.8 -3.5 | 255 39 37.3 10.2 12 100 16110 275 31 30.9 -2.7 | 249 30 28.4 11.0 13 70 18400 285 25 24.1 -6.5 | 252 23 21.6 7.2 14 50 20560 295 19 17.2 -8.0 | 249 16 14.7 5.6 15 30 23830 315 15 10.6 -10.6 | 249 9 8.1 3.1 16 20 26400 335 19 8.0 -17.2 | 303 7 5.5 -3.6 Wind Parameters Mean winds (0-6000m): 319.6 at 18.5 knts Storm direction: 349.6 at 13.9 knts Shear (0-3000m) pos: 2.3 neg: 4.8 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 98.6 deg Storm rel helicity (0-3000m) pos: 2.9 neg: -67.0 tot: -64.1 m^2/s^2 ave: -21.4 10^-3 m/s^2 rel: -0.45 Storm rel vorticity (0-3000m) horiz: 9.2 stream: -4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 66.98 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 56 11 123 14| 13.7 0.0 13.7| 0.0 -37.6 -37.6 -75.1 -0.78| 13.8-10.8 1000 60 16 110 17| 6.8 1.2 8.1| 0.0 -52.0 -52.0 -52.0 -0.55| 12.2 -6.8 1500 56 16 106 16| 4.6 3.0 7.6| 2.3 -54.9 -52.7 -35.1 -0.43| 10.8 -4.6 2000 47 16 101 14| 3.4 4.2 7.6| 2.3 -60.3 -58.1 -29.0 -0.42| 10.1 -4.3 2500 37 16 96 12| 2.7 4.8 7.5| 2.3 -62.9 -60.7 -24.3 -0.46| 9.7 -4.5 3000 27 16 89 10| 2.3 4.8 7.0| 2.9 -67.0 -64.1 -21.4 -0.45| 9.2 -4.1 4000 1 16 51 4| 1.7 4.2 5.9| 6.9 -67.0 -60.1 -15.0 -0.39| 7.5 -2.9 5000 336 17 295 5| 1.4 3.9 5.3| 7.2 -68.7 -61.6 -12.3 -0.36| 6.6 -2.4 6000 320 19 273 10| 1.3 3.4 4.7| 29.2 -71.4 -42.2 -7.0 -0.28| 6.0 -1.7 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20250422.00.gif