UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 6 OCT 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1019 76 12.6 -1.4 38 14.0 6.3 70 1 284.2 284.8 278.6 293.8 3.38 1 1000 233 10.4 -3.6 37 14.0 4.5 45 5 283.5 284.1 277.6 291.9 2.92 2 925 874 4.0 -6.0 48 10.0 0.1 70 5 283.4 283.9 277.2 291.0 2.64 3 850 1552 -2.9 -8.9 63 6.0 -5.0 105 9 283.1 283.5 276.5 289.7 2.29 4 847 1580 -2.9 -8.9 63 6.0 -5.0 102 9 283.4 283.8 276.7 290.0 2.30 5 791 2121 -3.3 -12.3 50 9.0 -6.2 51 11 288.6 288.9 278.7 294.2 1.88 6 778 2252 -3.3 -12.3 50 9.0 -6.2 39 12 289.9 290.3 279.4 295.7 1.91 7 737 2678 -6.1 -13.1 58 7.0 -8.3 358 13 291.4 291.7 280.0 297.1 1.89 8 700 3079 -8.1 -21.1 34 13.0 -11.3 320 15 293.5 293.7 279.8 296.7 1.01 9 697 3112 -8.3 -21.3 34 13.0 -11.5 320 15 293.7 293.8 279.9 296.8 1.00 10 679 3315 -9.5 -19.5 44 10.0 -12.1 322 15 294.5 294.7 280.6 298.3 1.20 11 543 5011 -19.1 -29.1 41 10.0 -20.9 339 17 302.5 302.6 283.2 304.6 0.63 12 500 5620 -23.7 -32.7 43 9.0 -25.0 345 17 304.1 304.2 283.7 305.8 0.49 13 400 7210 -35.5 -45.5 35 10.0 -36.2 330 33 308.9 308.9 285.1 309.4 0.16 14 300 9150 -49.9 -59.9 30 10.0 -50.1 325 42 315.0 315.0 287.1 315.2 0.04 15 296 9237 -50.5 -60.5 30 10.0 -50.7 325 43 315.4 315.4 287.3 315.5 0.04 16 262 10022 -55.3 -65.3 28 10.0 -55.5 321 52 319.5 319.5 288.6 319.6 0.02 17 250 10320 -56.3 -66.3 27 10.0 -56.5 320 56 322.4 322.4 289.5 322.4 0.02 18 247 10397 -56.4 -66.4 27 10.0 -56.6 320 60 323.3 323.3 289.8 323.3 0.02 19 246 10423 -56.5 -66.5 27 10.0 -56.6 320 60 323.6 323.6 289.9 323.6 0.02 20 225 10991 -55.5 -65.5 28 10.0 -55.6 320 57 333.5 333.5 292.7 333.6 0.03 21 200 11740 -57.1 -67.1 27 10.0 -57.3 320 54 342.3 342.3 294.9 342.4 0.02 22 150 13560 -56.5 -67.5 24 11.0 -56.8 330 48 372.7 372.7 301.1 372.9 0.03 23 100 16120 -57.3 -69.3 20 12.0 -57.6 330 36 417.0 417.0 307.4 417.2 0.03 24 70 18360 -59.5 -72.5 17 13.0 -59.9 325 27 457.1 457.1 311.5 457.3 0.03 25 53 20097 -60.9 -74.9 14 14.0 -61.3 321 25 491.7 491.7 314.4 491.9 0.03 26 50 20460 -60.3 -74.3 14 14.0 -60.8 320 25 501.4 501.4 315.1 501.6 0.03 27 41 21698 -59.5 -73.5 15 14.0 -60.2 318 25 532.7 532.7 317.1 533.0 0.04 28 33 23049 -61.7 -75.7 14 14.0 -62.3 316 25 560.9 560.9 318.7 561.2 0.04 29 30 23640 -60.7 -75.7 12 15.0 -61.4 315 25 579.2 579.2 319.6 579.5 0.04 30 24 25038 -56.9 -72.9 12 16.0 -58.3 301 23 628.4 628.4 321.9 629.0 0.08 31 22 25584 -59.7 -74.7 12 15.0 -60.8 296 22 635.9 635.9 322.2 636.4 0.07 32 20 26180 -59.1 -75.1 11 16.0 -60.4 290 21 655.3 655.3 322.9 655.9 0.07 33 13 28920 -52.9 -69.9 11 17.0 -56.2 762.7 762.8 326.3 764.9 0.24 34 12 29442 -48.5 -66.5 11 18.0 -53.4 795.9 796.1 327.3 800.0 0.42 TRP 246 10423 -56.5 -66.5 27 10.0 -56.6 320 60 323.6 323.6 289.9 323.6 0.02 WND 247 10397 -56.4 -66.4 27 10.0 -56.6 320 60 323.3 323.3 289.8 323.3 0.02 Sounding variables and indices 1000-500 mb thick: 5387.00 m Freezing level: 881.52 mb = 1267.04 m = 4156.92 ft Wetbulb zero: 922.98 mb = 891.49 m = 2924.79 ft Precipitable water: 0.38 inches Sfc-500 mean rel hum: 46.41 % Est. max temperature: 11.58 C = 52.84 F Sfc-Lift cond lev (LCL): 823.64 mb = 1801.17 m = 5909.27 ft T: -3.06 C 700-500 lapse rate: 6.14 C/km ThetaE index: 4.13 C Layer 1000.0- 847.0 mb Conv cond level (CCL): 688.00 mb = 3213.06 m = 10541.39 ft Mean mixing ratio: 2.84 g/kg Conv temperature: 22.53 C = 72.55 F Cap Strength: 10.70 C Lifted Index: 11.26 C Risk: None Lifted Index @300 mb: 16.58 C Lifted Index @700 mb: 6.41 C Showalter Index: 12.73 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 14.80 C K Index: -1.10 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 3.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.57 J/kg Max Up Vert Vel: 4.14 m/s Conv Inhibition (B-): 63720.38 J/kg Cap Strength: 11.27 C Lift Cond Lev (LCL): 802.20 mb = 2009.78 m = 6593.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 15 at 10 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 1019 76 70 1 -0.9 -0.3 | 190 9 1.5 9.0 1 1000 233 45 5 -3.5 -3.5 | 169 6 -1.1 5.8 2 925 874 70 5 -4.7 -1.7 | 164 8 -2.2 7.6 3 850 1552 105 9 -8.7 2.3 | 152 13 -6.2 11.6 4 700 3079 320 15 9.6 -11.5 | 280 12 12.1 -2.2 5 500 5620 345 17 4.4 -16.4 | 316 10 6.9 -7.1 6 400 7210 330 33 16.5 -28.6 | 315 27 19.0 -19.3 7 300 9150 325 42 24.1 -34.4 | 313 37 26.6 -25.1 8 250 10320 320 56 36.0 -42.9 | 311 51 38.5 -33.6 9 247 10397 320 60 38.6 -46.0 | 312 55 41.0 -36.7 10 246 10423 320 60 38.6 -46.0 | 312 55 41.0 -36.7 11 200 11740 320 54 34.7 -41.4 | 311 49 37.2 -32.1 12 150 13560 330 48 24.0 -41.6 | 321 42 26.5 -32.3 13 100 16120 330 36 18.0 -31.2 | 317 30 20.5 -21.9 14 70 18360 325 27 15.5 -22.1 | 306 22 18.0 -12.8 15 50 20460 320 25 16.1 -19.2 | 298 21 18.5 -9.9 16 30 23640 315 25 17.7 -17.7 | 293 22 20.1 -8.4 17 20 26180 290 21 19.7 -7.2 | 265 22 22.2 2.1 Wind Parameters Mean winds (0-6000m): 344.8 at 12.8 knts Storm direction: 14.8 at 9.6 knts Shear (0-3000m) pos: 1.1 neg: 3.8 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 90.8 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -54.5 tot: -54.5 m^2/s^2 ave: -18.2 10^-3 m/s^2 rel: -0.67 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.47 Bulk Shear: 18.34 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 51 4 172 7| 0.0 4.1 4.1| 0.0 -6.2 -6.2 -12.4 -0.61| 5.3 -3.3 1000 61 5 166 7| 1.3 2.1 3.3| 0.0 -8.9 -8.9 -8.9 -0.57| 4.0 -2.3 1500 78 6 158 9| 2.2 1.4 3.6| 0.0 -11.9 -11.9 -7.9 -0.46| 4.1 -1.9 2000 77 7 152 9| 1.7 2.9 4.6| 0.0 -29.2 -29.2 -14.6 -0.58| 5.3 -3.0 2500 61 8 141 7| 1.3 3.6 5.0| 0.0 -38.6 -38.6 -15.4 -0.67| 6.3 -4.2 3000 37 9 126 4| 1.1 3.8 4.9| 0.0 -54.5 -54.5 -18.2 -0.67| 7.3 -4.9 4000 355 11 290 4| 0.9 2.8 3.7| 7.8 -54.5 -46.7 -11.7 -0.58| 5.8 -3.4 5000 346 12 292 6| 0.9 2.3 3.1| 15.6 -54.5 -38.9 -7.8 -0.49| 5.0 -2.4 6000 345 13 298 7| 0.8 2.3 3.1| 21.7 -54.5 -32.8 -5.5 -0.39| 4.7 -1.8 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251006.12.gif