UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 7 DEC 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 1014 79 -21.9 -26.0 69 4.1 -22.4 20 3 250.3 250.3 249.9 251.5 0.45 1 1000 181 -21.5 -25.1 73 3.6 -21.9 20 5 251.6 251.7 251.3 253.0 0.50 2 982 313 -20.7 -24.2 73 3.5 -21.1 18 7 253.8 253.8 253.2 255.3 0.55 3 925 748 -22.5 -25.8 74 3.3 -22.9 10 15 256.3 256.4 255.2 257.7 0.50 4 850 1382 -19.1 -22.1 77 3.0 -19.6 350 29 266.1 266.3 263.4 268.3 0.76 5 812 1720 -21.5 -23.9 81 2.4 -21.8 342 33 267.1 267.2 264.0 269.0 0.68 6 781 2007 -19.3 -21.2 85 1.9 -19.6 335 36 272.4 272.6 268.0 275.0 0.90 7 712 2688 -23.1 -27.9 65 4.8 -23.7 318 43 275.6 275.7 269.4 277.2 0.54 8 700 2812 -24.3 -29.3 63 5.0 -24.9 315 44 275.6 275.7 269.3 277.0 0.48 9 648 3368 -28.9 -36.9 46 8.0 -29.6 312 46 276.5 276.6 269.5 277.3 0.25 10 500 5190 -36.9 -50.9 22 14.0 -37.5 300 54 288.0 288.1 275.7 288.3 0.07 11 400 6700 -46.3 -62.3 15 16.0 -46.6 285 62 294.8 294.8 279.0 294.9 0.02 12 323 8094 -54.7 -66.9 21 12.2 -54.9 280 75 301.8 301.8 282.1 301.8 0.01 13 320 8154 -55.1 -67.1 21 12.0 -55.2 302.1 302.1 282.2 302.1 0.01 TRP WND 323 8094 -54.7 -66.9 21 12.2 -54.9 280 75 301.8 301.8 282.1 301.8 0.01 Sounding variables and indices 1000-500 mb thick: 5009.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 58.03 % Est. max temperature: -7.89 C = 17.81 F Sfc-Lift cond lev (LCL): 947.32 mb = 574.63 m = 1885.25 ft T: -21.78 C 700-500 lapse rate: 5.30 C/km ThetaE index: 0.15 C Layer 700.0- 648.0 mb Conv cond level (CCL): 633.55 mb = 3526.86 m = 11570.93 ft Mean mixing ratio: 0.52 g/kg Conv temperature: 5.47 C = 41.85 F Cap Strength: 18.60 C Lifted Index: 26.54 C Risk: None Lifted Index @700 mb: 18.28 C Showalter Index: 16.34 C Risk: None Total Totals Index: 32.60 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 14.80 C K Index: -9.30 Risk: None Sweat Index: 112.00 Risk: None Energy Index: 4.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.63 J/kg Max Up Vert Vel: 6.58 m/s Conv Inhibition (B-): 6698.82 J/kg Cap Strength: 26.03 C Lift Cond Lev (LCL): 908.97 mb = 879.05 m = 2883.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 30 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 1014 79 20 3 -1.0 -2.8 | 159 28 -9.9 25.9 1 1000 181 20 5 -1.7 -4.7 | 156 26 -10.6 24.0 2 925 748 10 15 -2.6 -14.8 | 141 18 -11.5 13.9 3 850 1382 350 29 5.0 -28.6 | 92 4 -3.8 0.1 4 700 2812 315 44 31.1 -31.1 | 276 22 22.3 -2.4 5 500 5190 300 54 46.8 -27.0 | 267 38 37.9 1.7 6 400 6700 285 62 59.9 -16.0 | 256 53 51.0 12.7 Wind Parameters Mean winds (0-6000m): 312.9 at 40.0 knts Storm direction: 342.9 at 30.0 knts Shear (0-3000m) pos: 0.0 neg: 7.5 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 116.3 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -93.5 tot: -93.5 m^2/s^2 ave: -31.2 10^-3 m/s^2 rel: -0.48 Storm rel vorticity (0-3000m) horiz: 9.8 stream: -4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 182.92 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 16 8 153 24| 0.0 9.3 9.3| 0.0 -36.0 -36.0 -71.9 -0.62| 9.4 -5.8 1000 8 12 147 20| 0.0 10.0 10.0| 0.0 -58.4 -58.4 -58.4 -0.54| 10.4 -5.6 1500 359 17 144 14| 0.0 9.8 9.8| 0.0 -66.6 -66.6 -44.4 -0.54| 10.8 -5.9 2000 351 21 145 10| 0.0 8.8 8.8| 0.0 -71.2 -71.2 -35.6 -0.54| 10.4 -5.7 2500 342 25 166 5| 0.0 8.3 8.3| 0.0 -82.1 -82.1 -32.8 -0.50| 10.4 -5.2 3000 335 28 221 5| 0.0 7.5 7.5| 0.0 -93.5 -93.5 -31.2 -0.48| 9.8 -4.7 4000 326 33 259 10| 0.0 6.2 6.2| 0.0-105.7-105.7 -26.4 -0.45| 8.2 -3.7 5000 318 37 266 16| 0.0 5.5 5.5| 0.0-126.9-126.9 -25.4 -0.44| 7.3 -3.2 6000 313 40 266 21| 0.0 5.0 5.0| 0.0-185.2-185.2 -30.9 -0.45| 7.0 -3.1 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251207.00.gif