UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011912.upa.cvt Date: 1200Z 19 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 19 JAN 26 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 1035 78 -32.3 -41.3 40 9.0 -32.7 0 0 238.5 238.5 238.2 238.8 0.10 1 1000 323 -27.3 -34.3 51 7.0 -27.8 100 1 245.9 245.9 245.4 246.4 0.21 2 958 631 -21.5 -28.5 53 7.0 -22.2 106 2 254.8 254.8 253.7 255.8 0.38 3 925 886 -20.1 -27.1 54 7.0 -21.0 110 3 258.8 258.8 257.1 260.0 0.45 4 866 1374 -20.7 -28.7 49 8.0 -21.7 114 6 263.1 263.1 260.4 264.2 0.41 5 850 1512 -21.3 -29.3 49 8.0 -22.2 115 7 263.8 263.9 261.0 265.0 0.40 6 743 2498 -26.1 -34.1 47 8.0 -26.8 118 8 269.0 269.0 264.5 269.8 0.29 7 700 2928 -28.9 -36.9 46 8.0 -29.5 120 9 270.5 270.5 265.4 271.2 0.23 8 532 4849 -39.9 -46.9 47 7.0 -40.2 47 12 279.4 279.4 271.0 279.7 0.11 9 500 5270 -42.9 -49.9 46 7.0 -43.1 30 13 280.7 280.7 271.7 281.0 0.08 10 463 5779 -47.1 -54.1 45 7.0 -47.3 13 14 281.7 281.7 272.3 281.9 0.05 11 400 6730 -51.7 -59.7 38 8.0 -51.8 340 15 287.8 287.8 275.6 287.9 0.03 12 311 8335 -60.1 -68.1 34 8.0 -60.2 330 15 297.5 297.5 280.3 297.6 0.01 13 300 8560 -59.9 -67.9 34 8.0 -60.0 330 15 300.9 300.9 281.7 301.0 0.01 14 250 9700 -59.7 -67.7 35 8.0 -59.8 325 19 317.3 317.3 287.9 317.4 0.02 15 238 10007 -59.1 -68.1 30 9.0 -59.2 325 19 322.7 322.7 289.6 322.8 0.02 16 200 11090 -60.1 -69.1 30 9.0 -60.2 325 19 337.6 337.6 293.7 337.7 0.02 17 168 12177 -60.9 -69.9 30 9.0 -61.0 331 19 353.5 353.5 297.4 353.6 0.02 18 150 12880 -62.5 -71.5 29 9.0 -62.6 335 19 362.4 362.4 299.2 362.5 0.02 19 100 15350 -68.9 -78.9 22 10.0 -69.0 315 23 394.6 394.6 304.5 394.6 0.01 20 98 15470 -69.1 -79.1 22 10.0 -69.2 315 23 396.5 396.5 304.8 396.5 0.01 21 70 17470 -70.5 -80.5 22 10.0 -70.6 315 29 433.6 433.6 309.2 433.6 0.01 22 59 18479 -72.7 -82.7 21 10.0 -72.8 450.3 450.3 310.9 450.4 0.01 TRP 311 8335 -60.1 -68.1 34 8.0 -60.2 330 15 297.5 297.5 280.3 297.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 4947.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 47.90 % Est. max temperature: -8.93 C = 15.92 F Sfc-Lift cond lev (LCL): 886.30 mb = 1202.58 m = 3945.42 ft T: -20.49 C 700-500 lapse rate: 5.98 C/km ThetaE index: 0.00 C Layer 1035.0- 17.2 mb Conv cond level (CCL): 567.77 mb = 4393.27 m = 14413.43 ft Mean mixing ratio: 0.27 g/kg Conv temperature: 6.90 C = 44.42 F Cap Strength: 24.83 C Lifted Index: 25.46 C Risk: None Lifted Index @300 mb: 36.29 C Lifted Index @700 mb: 18.95 C Showalter Index: 13.04 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 13.60 C K Index: -15.70 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 3.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 67.42 J/kg Max Up Vert Vel: 11.61 m/s Conv Inhibition (B-): 35309.03 J/kg Cap Strength: 25.40 C Lift Cond Lev (LCL): 884.28 mb = 1219.48 m = 4000.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 100 at 7 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 1035 78 0 0 -0.0 -0.0 | 280 7 6.5 -1.2 1 1000 323 100 1 -1.0 0.2 | 281 6 5.5 -1.0 2 925 886 110 3 -2.8 1.0 | 273 4 3.7 -0.2 3 850 1512 115 7 -6.3 3.0 | 185 2 0.2 1.8 4 700 2928 120 9 -7.8 4.5 | 158 4 -1.3 3.3 5 500 5270 30 13 -6.5 -11.3 | 0 12 -0.0 -12.5 6 400 6730 340 15 5.1 -14.1 | 323 19 11.6 -15.3 7 311 8335 330 15 7.5 -13.0 | 315 20 14.0 -14.2 8 300 8560 330 15 7.5 -13.0 | 315 20 14.0 -14.2 9 250 9700 325 19 10.9 -15.6 | 314 24 17.4 -16.8 10 200 11090 325 19 10.9 -15.6 | 314 24 17.4 -16.8 11 150 12880 335 19 8.0 -17.2 | 322 23 14.5 -18.4 12 100 15350 315 23 16.3 -16.3 | 308 29 22.8 -17.5 13 70 17470 315 29 20.5 -20.5 | 309 35 27.0 -21.7 Wind Parameters Mean winds (0-6000m): 70.5 at 8.8 knts Storm direction: 100.5 at 6.6 knts Shear (0-3000m) pos: 1.5 neg: 0.2 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): -137.3 deg Storm rel helicity (0-3000m) pos: 0.6 neg: -4.2 tot: -3.6 m^2/s^2 ave: -1.2 10^-3 m/s^2 rel: -0.53 Storm rel vorticity (0-3000m) horiz: 1.8 stream: -0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.98 Bulk Shear: 8.45 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 ------------------------------------------------------------------------------- 500 102 1 280 6| 2.0 0.0 2.0| 0.6 -0.7 -0.1 -0.1 -0.05| 2.3 -0.1 1000 108 2 277 5| 2.2 0.0 2.2| 0.6 -1.6 -1.0 -1.0 -0.24| 2.3 -0.6 1500 112 3 270 4| 2.4 0.0 2.4| 0.6 -2.8 -2.2 -1.4 -0.48| 2.6 -1.2 2000 114 4 259 3| 2.0 0.0 2.0| 0.6 -3.0 -2.4 -1.2 -0.50| 2.1 -1.0 2500 115 5 245 2| 1.8 0.0 1.8| 0.6 -3.3 -2.7 -1.1 -0.49| 1.8 -0.9 3000 116 6 228 2| 1.5 0.2 1.6| 0.6 -4.2 -3.6 -1.2 -0.53| 1.8 -0.9 4000 108 7 185 1| 1.1 1.0 2.1| 0.6 -10.6 -9.9 -2.5 -0.68| 2.2 -1.5 5000 91 8 52 2| 0.9 1.5 2.3| 0.6 -23.6 -23.0 -4.6 -0.69| 2.6 -1.8 6000 70 9 24 5| 0.7 1.7 2.4| 0.6 -48.0 -47.4 -7.9 -0.71| 2.9 -2.1 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260119.12.gif