UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 21 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 146 -21.3 -26.1 65 4.8 -21.8 330 7 251.4 251.5 250.9 252.6 0.45 1 1000 190 -21.3 -25.7 68 4.4 -21.8 335 11 251.9 251.9 251.4 253.1 0.47 2 932 710 -22.7 -26.6 70 3.9 -23.1 349 15 255.5 255.6 254.5 256.8 0.47 3 925 766 -21.1 -24.9 71 3.8 -21.6 350 15 257.7 257.8 256.5 259.2 0.55 4 911 879 -18.1 -21.2 77 3.1 -18.6 340 16 261.9 262.1 260.3 264.1 0.77 5 852 1378 -16.9 -24.9 50 8.0 -18.1 297 19 268.3 268.4 264.6 270.0 0.59 6 850 1396 -16.9 -24.9 50 8.0 -18.1 295 19 268.4 268.5 264.7 270.2 0.60 7 758 2251 -19.3 -33.3 28 14.0 -21.0 295 23 274.8 274.8 268.5 275.7 0.30 8 700 2839 -22.5 -35.5 30 13.0 -23.9 295 25 277.6 277.6 270.2 278.4 0.27 9 635 3547 -26.3 -42.3 21 16.0 -27.5 296 29 281.1 281.1 272.1 281.6 0.15 10 500 5230 -37.7 -50.7 24 13.0 -38.2 300 38 287.1 287.1 275.3 287.3 0.07 11 453 5903 -42.5 -57.5 18 15.0 -42.9 311 42 289.3 289.3 276.3 289.4 0.04 12 400 6740 -44.5 -61.5 13 17.0 -44.9 325 46 297.2 297.2 280.1 297.2 0.02 13 398 6774 -44.7 -61.7 13 17.0 -45.1 297.3 297.3 280.2 297.4 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5040.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 37.00 % Est. max temperature: -4.88 C = 23.22 F Sfc-Lift cond lev (LCL): 929.08 mb = 733.44 m = 2406.27 ft T: -22.04 C 700-500 lapse rate: 6.36 C/km ThetaE index: 0.00 C Layer 1006.0- 0.0 mb Conv cond level (CCL): 580.02 mb = 4184.43 m = 13728.27 ft Mean mixing ratio: 0.51 g/kg Conv temperature: 10.75 C = 51.35 F Cap Strength: 21.76 C Lifted Index: 25.09 C Risk: None Lifted Index @700 mb: 19.37 C Showalter Index: 14.02 C Risk: None Total Totals Index: 33.60 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 12.80 C K Index: -17.10 Risk: None Sweat Index: 76.00 Risk: None Energy Index: 3.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.23 J/kg Max Up Vert Vel: 8.39 m/s Conv Inhibition (B-): 4935.37 J/kg Cap Strength: 24.96 C Lift Cond Lev (LCL): 895.43 mb = 1007.46 m = 3305.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 333 at 20 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 146 330 7 3.5 -6.1 | 154 13 -5.8 12.2 1 1000 190 335 11 4.6 -10.0 | 151 9 -4.7 8.3 2 925 766 350 15 2.6 -14.8 | 117 8 -6.7 3.4 3 850 1396 295 19 17.2 -8.0 | 218 13 7.9 10.2 4 700 2839 295 25 22.7 -10.6 | 240 15 13.3 7.7 5 500 5230 300 38 32.9 -19.0 | 272 24 23.6 -0.8 6 400 6740 325 46 26.4 -37.7 | 319 26 17.1 -19.5 Wind Parameters Mean winds (0-6000m): 302.9 at 27.3 knts Storm direction: 332.9 at 20.5 knts Shear (0-3000m) pos: 1.6 neg: 3.3 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 91.1 deg Storm rel helicity (0-3000m) pos: 39.5 neg: -12.1 tot: 27.4 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.72 Bulk Shear: 48.79 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 ------------------------------------------------------------------------------- 500 341 12 141 9| 8.0 0.0 8.0| 0.0 -10.2 -10.2 -20.3 -0.53| 8.4 -4.5 1000 338 14 141 7| 4.0 4.5 8.5| 9.5 -12.1 -2.5 -2.5 0.12| 9.7 1.1 1500 323 16 181 6| 2.7 5.4 8.1| 16.7 -12.1 4.6 3.1 0.19| 9.2 1.7 2000 314 17 204 7| 2.0 4.5 6.5| 23.6 -12.1 11.5 5.8 0.24| 7.4 1.8 2500 308 18 216 8| 1.6 3.9 5.5| 30.5 -12.1 18.5 7.4 0.28| 6.4 1.8 3000 305 19 223 10| 1.6 3.3 4.8| 39.5 -12.1 27.4 9.1 0.33| 5.7 1.9 4000 302 22 234 11| 1.8 2.4 4.2| 60.5 -12.1 48.5 12.1 0.39| 5.0 2.0 5000 301 25 245 13| 2.0 2.0 3.9| 83.1 -12.1 71.0 14.2 0.44| 4.6 2.0 6000 303 27 256 14| 2.5 1.6 4.1|158.6 -12.1 146.5 24.4 0.55| 4.9 2.7 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251221.12.gif