UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 20 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 1020 73 4.0 -3.0 60 7.0 1.3 220 3 275.6 276.1 273.3 283.9 3.00 1 1000 233 2.8 -4.2 60 7.0 0.1 225 3 276.0 276.4 273.3 283.7 2.80 2 925 857 -0.3 -5.0 71 4.7 -2.1 230 9 279.0 279.5 275.1 287.0 2.84 3 865 1392 -3.9 -7.6 75 3.7 -5.2 230 11 280.7 281.1 275.5 287.7 2.49 4 854 1494 -2.9 -6.2 78 3.3 -4.1 230 11 282.7 283.2 277.0 290.8 2.81 5 850 1531 -3.3 -6.6 78 3.3 -4.5 230 11 282.7 283.2 276.9 290.5 2.74 6 763 2370 -9.3 -11.4 85 2.1 -9.9 236 13 285.1 285.4 277.3 291.2 2.09 7 700 3027 -13.5 -16.1 81 2.6 -14.2 240 15 287.5 287.8 277.7 292.2 1.55 8 683 3214 -14.7 -17.3 81 2.6 -15.3 240 16 288.2 288.5 277.9 292.6 1.44 9 616 3987 -21.7 -24.4 79 2.7 -22.2 240 19 288.8 289.0 277.4 291.5 0.86 10 592 4282 -19.7 -24.1 68 4.4 -20.5 240 20 294.4 294.6 280.1 297.4 0.92 11 537 5002 -24.1 -39.1 24 15.0 -25.8 240 23 297.5 297.6 280.6 298.3 0.24 12 500 5520 -27.5 -39.5 31 12.0 -28.7 240 25 299.5 299.6 281.5 300.4 0.25 13 400 7090 -39.7 -44.6 59 4.9 -40.0 245 29 303.4 303.4 283.0 304.0 0.18 14 323 8520 -50.1 -53.9 64 3.8 -50.2 245 30 308.2 308.2 284.7 308.4 0.08 15 300 9000 -52.5 -56.3 63 3.8 -52.6 245 31 311.3 311.4 285.9 311.6 0.06 16 266 9768 -57.9 -61.8 61 3.9 -58.0 245 33 314.4 314.4 286.9 314.5 0.04 17 250 10160 -56.9 -60.8 61 3.9 -57.0 245 35 321.5 321.5 289.2 321.6 0.04 18 200 11580 -55.3 -59.7 58 4.4 -55.4 240 35 345.2 345.2 295.6 345.5 0.06 19 167 12732 -53.7 -59.7 48 6.0 -53.9 237 32 366.1 366.1 299.9 366.5 0.07 20 150 13420 -54.3 -61.3 42 7.0 -54.5 235 31 376.5 376.5 301.7 376.8 0.07 21 100 16000 -57.7 -68.7 23 11.0 -58.0 235 25 416.2 416.3 307.3 416.4 0.04 22 99 16063 -57.7 -68.7 23 11.0 -58.0 235 25 417.4 417.5 307.4 417.6 0.04 23 70 18240 -58.9 -72.9 15 14.0 -59.3 250 21 458.4 458.4 311.7 458.5 0.03 24 50 20350 -60.5 -75.5 12 15.0 -61.0 270 19 500.9 500.9 315.0 501.1 0.03 25 45 21003 -61.1 -77.1 10 16.0 -61.6 272 19 514.8 514.8 315.9 514.9 0.02 26 30 23520 -60.1 -77.1 9 17.0 -60.9 280 17 580.8 580.8 319.7 581.0 0.04 27 27 24178 -59.9 -76.9 9 17.0 -60.9 599.1 599.1 320.6 599.4 0.04 TRP 266 9768 -57.9 -61.8 61 3.9 -58.0 245 33 314.4 314.4 286.9 314.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5287.00 m Freezing level: 932.26 mb = 796.61 m = 2613.53 ft Wetbulb zero: 995.39 mb = 270.01 m = 885.85 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 67.27 % Est. max temperature: 8.96 C = 48.12 F Sfc-Lift cond lev (LCL): 915.32 mb = 940.92 m = 3086.98 ft T: -0.86 C 700-500 lapse rate: 5.62 C/km ThetaE index: 0.24 C Layer 850.0- 763.0 mb Conv cond level (CCL): 794.44 mb = 2056.25 m = 6746.16 ft Mean mixing ratio: 2.84 g/kg Conv temperature: 12.66 C = 54.80 F Cap Strength: 11.33 C Lifted Index: 12.44 C Risk: None Lifted Index @300 mb: 18.61 C Lifted Index @700 mb: 5.46 C Showalter Index: 8.34 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 20.90 C K Index: 15.00 Risk: < 20 % chance of thunderstorms Sweat Index: 47.00 Risk: None Energy Index: 2.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.35 J/kg Max Up Vert Vel: 4.09 m/s Conv Inhibition (B-): 42823.21 J/kg Cap Strength: 12.39 C Lift Cond Lev (LCL): 881.94 mb = 1237.38 m = 4059.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 12 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 1020 73 220 3 1.9 2.3 | 101 10 -10.0 1.9 1 1000 233 225 3 2.1 2.1 | 100 10 -9.8 1.7 2 925 857 230 9 6.9 5.8 | 137 7 -5.0 5.4 3 850 1531 230 11 8.4 7.1 | 152 8 -3.5 6.7 4 700 3027 240 15 13.0 7.5 | 189 7 1.1 7.1 5 500 5520 240 25 21.7 12.5 | 219 16 9.7 12.1 6 400 7090 245 29 26.3 12.3 | 230 19 14.4 11.9 7 300 9000 245 31 28.1 13.1 | 232 21 16.2 12.7 8 266 9768 245 33 29.9 13.9 | 233 23 18.0 13.6 9 250 10160 245 35 31.7 14.8 | 234 24 19.8 14.4 10 200 11580 240 35 30.3 17.5 | 227 25 18.4 17.1 11 150 13420 235 31 25.4 17.8 | 218 22 13.5 17.4 12 100 16000 235 25 20.5 14.3 | 212 16 8.6 13.9 13 70 18240 250 21 19.7 7.2 | 229 10 7.8 6.8 14 50 20350 270 19 19.0 -0.0 | 273 7 7.1 -0.4 15 30 23520 280 17 16.7 -3.0 | 305 6 4.8 -3.3 Wind Parameters Mean winds (0-6000m): 238.1 at 15.9 knts Storm direction: 268.1 at 11.9 knts Shear (0-3000m) pos: 2.1 neg: 0.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 88.9 deg Storm rel helicity (0-3000m) pos: 24.7 neg: -0.2 tot: 24.5 m^2/s^2 ave: 8.2 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 2.2 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.44 Bulk Shear: 18.82 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 ------------------------------------------------------------------------------- 500 226 4 105 9| 3.4 0.0 3.4| 6.5 -0.2 6.3 12.5 0.76| 3.6 2.7 1000 229 6 117 8| 3.4 0.0 3.4| 13.1 -0.2 12.8 12.8 0.86| 3.5 3.0 1500 229 8 127 8| 2.8 0.0 2.8| 16.0 -0.2 15.7 10.5 0.88| 2.9 2.5 2000 230 9 134 7| 2.5 0.0 2.5| 18.8 -0.2 18.6 9.3 0.90| 2.5 2.3 2500 232 10 141 7| 2.3 0.0 2.3| 21.8 -0.2 21.5 8.6 0.91| 2.3 2.1 3000 234 10 149 7| 2.1 0.0 2.1| 24.7 -0.2 24.5 8.2 0.92| 2.2 2.0 4000 236 12 163 7| 1.6 0.5 2.1| 30.7 -0.2 30.5 7.6 0.86| 2.2 1.9 5000 237 14 179 7| 1.3 0.8 2.1| 36.7 -0.2 36.4 7.3 0.78| 2.2 1.7 6000 238 16 191 8| 1.3 0.7 2.0| 44.5 -0.2 44.3 7.4 0.75| 2.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251020.12.gif