UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 9 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 1012 144 -23.1 -27.9 65 4.8 -23.6 20 3 249.2 249.3 248.8 250.2 0.38 1 1000 231 -22.9 -27.1 68 4.2 -23.3 20 3 250.2 250.3 249.8 251.4 0.41 2 954 579 -21.1 -24.8 72 3.7 -21.5 59 4 255.5 255.6 254.6 256.9 0.54 3 934 739 -14.1 -14.8 94 0.7 -14.3 77 5 264.2 264.4 263.0 267.7 1.30 4 925 813 -11.5 -17.5 61 6.0 -12.8 85 5 267.5 267.7 265.0 270.5 1.04 5 920 854 -10.5 -16.5 61 6.0 -11.8 86 5 269.0 269.2 266.1 272.2 1.14 6 850 1459 -11.9 -17.9 61 6.0 -13.2 95 7 273.7 273.9 269.2 276.8 1.10 7 803 1893 -12.7 -18.7 61 6.0 -14.0 143 7 277.3 277.5 271.4 280.5 1.09 8 700 2931 -17.3 -23.3 60 6.0 -18.4 260 7 283.3 283.5 274.5 285.9 0.84 9 699 2942 -17.3 -23.3 60 6.0 -18.4 260 7 283.4 283.6 274.5 286.0 0.84 10 642 3574 -20.7 -26.7 59 6.0 -21.7 260 10 286.6 286.7 276.0 288.6 0.67 11 575 4382 -24.9 -27.9 76 3.0 -25.4 260 14 290.8 290.9 278.1 292.9 0.67 12 554 4650 -28.1 -31.5 73 3.4 -28.5 260 15 290.1 290.2 277.5 291.7 0.50 13 516 5157 -30.7 -34.3 71 3.6 -31.1 260 18 293.0 293.0 278.7 294.3 0.41 14 500 5380 -32.7 -36.6 68 3.9 -33.1 260 19 293.2 293.2 278.7 294.3 0.33 15 400 6910 -45.7 -50.5 58 4.8 -45.9 265 25 295.6 295.6 279.5 295.9 0.09 16 386 7147 -47.1 -51.9 58 4.8 -47.3 296.8 296.8 280.0 297.1 0.08 17 383 7198 -49.3 -53.9 58 4.6 -49.4 294.6 294.6 279.0 294.8 0.07 18 301 8754 -56.1 -64.1 36 8.0 -56.2 306.0 306.0 283.8 306.1 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5149.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 65.35 % Est. max temperature: 0.63 C = 33.13 F Sfc-Lift cond lev (LCL): 934.26 mb = 736.69 m = 2416.94 ft T: -14.19 C 700-500 lapse rate: 6.29 C/km Conv cond level (CCL): 1000.00 mb = 231.00 m = 757.86 ft Mean mixing ratio: 0.71 g/kg Conv temperature: -20.26 C = -4.46 F Cap Strength: 27.99 C Lifted Index: 27.87 C Risk: None Lifted Index @700 mb: 22.23 C Showalter Index: 13.69 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: -3.10 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 3.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 86.24 J/kg Max Up Vert Vel: 13.13 m/s Conv Inhibition (B-): 7924.40 J/kg Cap Strength: 27.94 C Lift Cond Lev (LCL): 917.52 mb = 875.04 m = 2870.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 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 1012 144 20 3 -1.0 -2.8 | 89 9 -8.7 -0.2 1 1000 231 20 3 -1.0 -2.8 | 89 9 -8.7 -0.2 2 925 813 85 5 -5.0 -0.4 | 100 13 -12.6 2.2 3 850 1459 95 7 -7.0 0.6 | 102 15 -14.6 3.2 4 700 2931 260 7 6.9 1.2 | 169 4 -0.8 3.8 5 500 5380 260 19 18.7 3.3 | 242 13 11.1 5.9 6 400 6910 265 25 24.9 2.2 | 254 18 17.3 4.8 Wind Parameters Mean winds (0-6000m): 259.0 at 10.8 knts Storm direction: 289.0 at 8.1 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 95.0 deg Storm rel helicity (0-3000m) pos: 58.5 neg: -0.0 tot: 58.4 m^2/s^2 ave: 19.5 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.39 Bulk Shear: 25.42 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 43 4 90 10| 3.3 0.0 3.3| 3.0 -0.0 2.9 5.8 0.31| 3.4 1.0 1000 71 4 96 12| 3.0 0.0 3.0| 7.9 -0.0 7.9 7.9 0.41| 3.1 1.3 1500 83 5 99 13| 2.7 0.0 2.7| 19.4 -0.0 19.4 12.9 0.56| 3.3 1.9 2000 99 6 105 14| 2.5 0.0 2.5| 43.6 -0.0 43.6 21.8 0.72| 4.3 3.0 2500 106 6 108 14| 2.0 0.0 2.0| 56.0 -0.0 56.0 22.4 0.69| 4.8 3.3 3000 96 6 103 14| 1.7 0.0 1.7| 58.5 -0.0 58.4 19.5 0.64| 4.9 3.1 4000 249 7 169 5| 1.3 0.6 1.9| 63.5 -0.0 63.5 15.9 0.66| 4.3 2.8 5000 257 9 192 5| 1.0 1.0 2.0| 68.6 -0.0 68.6 13.7 0.63| 3.9 2.5 6000 259 11 212 6| 1.2 0.8 2.0| 76.0 -0.0 75.9 12.7 0.61| 3.6 2.2 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251209.12.gif