UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 18 OCT 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1028 73 -6.1 -10.4 72 4.3 -7.3 120 1 264.9 265.2 264.3 269.5 1.68 1 1000 291 -1.3 -8.3 59 7.0 -3.6 125 3 271.9 272.2 269.6 277.5 2.04 2 987 395 0.4 -7.6 55 8.0 -2.3 126 3 274.6 274.9 271.5 280.7 2.18 3 925 913 -0.7 -16.7 29 16.0 -5.1 130 3 278.6 278.8 272.2 281.9 1.12 4 915 1000 -0.9 -16.9 29 16.0 -5.3 131 3 279.3 279.4 272.6 282.5 1.11 5 894 1185 0.0 -22.0 17 22.0 -5.5 134 4 282.0 282.2 273.6 284.3 0.73 6 859 1504 -0.7 -19.7 22 19.0 -5.8 139 5 284.6 284.7 275.3 287.4 0.93 7 850 1588 -0.7 -19.7 22 19.0 -5.8 140 5 285.4 285.6 275.7 288.3 0.94 8 830 1777 -0.7 -21.7 19 21.0 -6.1 142 6 287.4 287.5 276.6 289.9 0.81 9 704 3071 -5.9 -31.9 11 26.0 -11.1 155 11 295.5 295.5 279.8 296.7 0.37 10 700 3115 -6.3 -29.3 14 23.0 -11.1 155 11 295.5 295.6 280.0 297.1 0.48 11 625 3991 -12.1 -25.1 33 13.0 -15.0 153 13 298.6 298.8 281.8 301.2 0.80 12 500 5660 -23.7 -34.7 36 11.0 -25.2 150 17 304.1 304.2 283.6 305.5 0.40 13 400 7260 -35.5 -45.5 35 10.0 -36.2 145 25 308.9 308.9 285.1 309.4 0.16 14 306 9070 -48.7 -58.7 30 10.0 -49.0 150 29 314.9 314.9 287.1 315.1 0.05 15 300 9200 -49.5 -59.5 30 10.0 -49.7 150 29 315.6 315.6 287.3 315.7 0.04 16 250 10370 -57.1 -67.1 27 10.0 -57.2 125 25 321.2 321.2 289.1 321.2 0.02 17 236 10734 -59.3 -69.3 26 10.0 -59.4 115 24 323.2 323.2 289.8 323.2 0.01 18 200 11760 -64.5 -74.5 24 10.0 -64.6 85 21 330.6 330.6 291.9 330.6 0.01 19 195 11915 -64.9 -74.9 24 10.0 -65.0 85 21 332.4 332.4 292.4 332.4 0.01 20 175 12581 -61.9 -71.9 25 10.0 -62.0 54 19 347.8 347.8 296.1 347.8 0.01 21 150 13540 -60.1 -70.1 26 10.0 -60.3 10 17 366.5 366.5 299.9 366.6 0.02 22 146 13708 -59.7 -69.7 26 10.0 -59.9 8 17 370.1 370.1 300.6 370.2 0.02 23 100 16060 -61.5 -72.5 22 11.0 -61.7 335 11 408.9 408.9 306.4 409.0 0.02 24 91 16648 -61.5 -72.5 22 11.0 -61.7 328 12 420.1 420.1 307.7 420.2 0.02 25 70 18280 -61.9 -73.9 19 12.0 -62.1 310 13 452.0 452.0 311.1 452.1 0.02 26 50 20360 -63.5 -75.5 18 12.0 -63.8 315 15 493.8 493.9 314.5 494.0 0.03 27 39 21877 -64.9 -77.9 15 13.0 -65.3 317 16 526.7 526.7 316.7 526.8 0.02 28 30 23480 -63.3 -76.3 16 13.0 -63.8 320 17 572.1 572.1 319.3 572.4 0.04 29 24 24861 -62.5 -76.5 14 14.0 -63.3 317 18 612.1 612.1 321.2 612.5 0.05 30 20 26000 -58.9 -72.9 15 14.0 -60.2 315 19 655.9 655.9 322.9 656.7 0.10 31 10 30450 -48.9 -67.9 9 19.0 -54.2 290 23 837.0 837.2 328.2 841.3 0.41 32 8.0 31925 -46.1 -68.1 7 22.0 -53.5 903.3 903.6 329.6 909.0 0.50 TRP 195 11915 -64.9 -74.9 24 10.0 -65.0 85 21 332.4 332.4 292.4 332.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5369.00 m Freezing level: Surface below freezing Freezing level: 990.06 mb = 370.75 m = 1216.37 ft Freezing level: 964.45 mb = 583.55 m = 1914.52 ft Freezing level: 894.00 mb = 1185.03 m = 3887.84 ft Freezing level: 894.00 mb = 1185.03 m = 3887.84 ft Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 28.36 % Est. max temperature: 12.27 C = 54.09 F Sfc-Lift cond lev (LCL): 960.15 mb = 615.42 m = 2019.06 ft T: -0.07 C 700-500 lapse rate: 6.84 C/km ThetaE index: 0.00 C Layer 1028.0-11024811681644544.0 mb Conv cond level (CCL): 568.97 mb = 4693.72 m = 15399.15 ft Mean mixing ratio: 1.78 g/kg Conv temperature: 30.24 C = 86.43 F Cap Strength: 18.52 C Lifted Index: 21.10 C Risk: None Lifted Index @300 mb: 26.01 C Lifted Index @700 mb: 17.23 C Showalter Index: 13.84 C Risk: None Total Totals Index: 27.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 4.00 C K Index: -19.70 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.27 J/kg Max Up Vert Vel: 9.62 m/s Conv Inhibition (B-): 63325.30 J/kg Cap Strength: 21.01 C Lift Cond Lev (LCL): 844.43 mb = 1640.10 m = 5380.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 180 at 8 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 1028 73 120 1 -0.9 0.5 | 7 7 -0.8 -7.1 1 1000 291 125 3 -2.5 1.7 | 22 6 -2.4 -5.9 2 925 913 130 3 -2.3 1.9 | 22 6 -2.3 -5.7 3 850 1588 140 5 -3.2 3.8 | 40 5 -3.2 -3.8 4 700 3115 155 11 -4.6 10.0 | 117 5 -4.6 2.4 5 500 5660 150 17 -8.5 14.7 | 130 11 -8.5 7.1 6 400 7260 145 25 -14.3 20.5 | 132 19 -14.3 12.9 7 300 9200 150 29 -14.5 25.1 | 140 23 -14.5 17.5 8 250 10370 125 25 -20.5 14.3 | 108 22 -20.4 6.7 9 200 11760 85 21 -20.9 -1.8 | 66 23 -20.9 -9.4 10 195 11915 85 21 -20.9 -1.8 | 66 23 -20.9 -9.4 11 150 13540 10 17 -3.0 -16.7 | 7 25 -2.9 -24.3 12 100 16060 335 11 4.6 -10.0 | 345 18 4.7 -17.6 13 70 18280 310 13 10.0 -8.4 | 328 19 10.0 -16.0 14 50 20360 315 15 10.6 -10.6 | 330 21 10.6 -18.2 15 30 23480 320 17 10.9 -13.0 | 332 23 11.0 -20.6 16 20 26000 315 19 13.4 -13.4 | 327 25 13.5 -21.0 17 10 30450 290 23 21.6 -7.9 | 306 27 21.6 -15.5 Wind Parameters Mean winds (0-6000m): 149.7 at 10.1 knts Storm direction: 179.7 at 7.6 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 108.6 deg Storm rel helicity (0-3000m) pos: 13.1 neg: -0.1 tot: 13.0 m^2/s^2 ave: 4.3 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 1.8 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.62 Bulk Shear: 8.23 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 ------------------------------------------------------------------------------- 500 125 3 19 6| 2.1 0.0 2.1| 3.3 -0.0 3.2 6.5 0.87| 2.2 1.9 1000 128 3 20 6| 1.3 0.0 1.3| 3.9 -0.1 3.8 3.8 0.80| 1.4 1.1 1500 132 3 24 6| 1.4 0.0 1.4| 5.8 -0.1 5.7 3.8 0.81| 1.5 1.2 2000 136 4 29 6| 1.5 0.0 1.5| 8.2 -0.1 8.1 4.0 0.86| 1.6 1.4 2500 140 5 37 5| 1.6 0.0 1.6| 10.6 -0.1 10.5 4.2 0.89| 1.7 1.5 3000 145 6 46 4| 1.7 0.0 1.7| 13.1 -0.1 13.0 4.3 0.90| 1.8 1.6 4000 149 7 68 4| 1.3 0.3 1.6| 14.7 -0.1 14.6 3.7 0.81| 1.7 1.4 5000 150 9 88 4| 1.0 0.5 1.5| 15.9 -0.1 15.8 3.2 0.72| 1.6 1.1 6000 150 10 103 5| 0.9 0.7 1.6| 17.3 -0.1 17.2 2.9 0.61| 1.6 1.0 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251018.00.gif