UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 10 DEC 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 110 SFC 983 248 0.2 -1.2 90 1.4 -0.4 180 5 274.7 275.3 273.7 284.4 3.56 2 958 454 -1.7 -3.5 87 1.8 -2.4 231 8 274.8 275.3 273.0 283.2 3.08 3 925 735 0.6 -0.3 94 0.9 0.2 300 13 279.9 280.6 277.2 291.1 4.04 4 917 805 0.4 -0.5 94 0.9 0.0 301 13 280.4 281.1 277.4 291.6 4.02 5 850 1411 -1.9 -3.5 89 1.6 -2.6 310 11 284.2 284.8 278.6 294.0 3.47 6 798 1910 -5.1 -7.0 86 1.9 -5.8 308 15 285.9 286.4 278.7 294.1 2.83 7 780 2089 -6.3 -8.2 86 1.9 -7.0 308 16 286.5 287.0 278.7 294.2 2.64 8 769 2200 -7.9 -10.5 82 2.6 -8.7 307 17 285.9 286.3 277.9 292.5 2.23 9 700 2928 -10.5 -19.5 48 9.0 -12.8 305 23 290.9 291.1 278.8 294.4 1.16 10 688 3060 -11.5 -21.5 43 10.0 -13.8 306 23 291.2 291.4 278.7 294.3 1.00 11 640 3610 -14.3 -27.3 32 13.0 -16.8 308 24 294.1 294.2 279.6 296.1 0.64 12 500 5430 -27.7 -40.7 28 13.0 -28.9 315 27 299.3 299.3 281.3 300.0 0.22 13 432 6466 -35.7 -44.7 39 9.0 -36.3 318 28 301.9 301.9 282.4 302.5 0.17 14 400 7000 -37.5 -47.5 35 10.0 -38.1 320 29 306.3 306.3 284.1 306.7 0.13 15 386 7246 -38.7 -48.7 34 10.0 -39.2 319 29 307.8 307.8 284.7 308.2 0.12 16 310 8716 -50.7 -62.7 23 12.0 -50.9 316 31 311.0 311.0 285.7 311.1 0.03 17 300 8930 -51.9 -63.9 22 12.0 -52.1 315 31 312.2 312.2 286.1 312.3 0.02 18 285 9262 -51.7 -63.7 22 12.0 -51.9 316 32 317.1 317.1 287.8 317.2 0.03 19 250 10100 -56.5 -68.5 21 12.0 -56.6 320 33 322.1 322.1 289.4 322.1 0.02 20 202 11457 -54.9 -67.9 19 13.0 -55.1 320 36 344.8 344.8 295.5 344.9 0.02 21 200 11520 -55.5 -67.5 21 12.0 -55.7 320 36 344.9 344.9 295.5 345.0 0.02 22 150 13340 -58.9 -72.9 15 14.0 -59.1 320 31 368.6 368.6 300.3 368.7 0.01 23 127 14384 -59.5 -73.5 15 14.0 -59.7 318 36 385.5 385.5 303.1 385.6 0.01 24 108 15388 -64.3 -78.3 13 14.0 -64.4 316 40 394.7 394.7 304.5 394.7 0.01 25 100 15860 -63.1 -78.1 11 15.0 -63.3 315 42 405.8 405.8 306.0 405.9 0.01 26 70 18030 -67.9 -82.9 10 15.0 -68.0 315 46 439.1 439.1 309.8 439.2 0.01 27 50 20050 -68.9 -83.9 10 15.0 -69.1 315 50 481.1 481.1 313.5 481.2 0.01 28 30 23050 -76.1 -90.1 9 14.0 -76.2 310 71 537.2 537.2 317.3 537.2 0.00 29 25 24102 -76.3 -90.3 9 14.0 -76.4 565.4 565.4 318.9 565.4 0.00 TRP 250 10100 -56.5 -68.5 21 12.0 -56.6 320 33 322.1 322.1 289.4 322.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5320.00 m Freezing level: 980.37 mb = 269.52 m = 884.23 ft Freezing level: 933.61 mb = 661.72 m = 2170.98 ft Freezing level: 905.35 mb = 910.17 m = 2986.09 ft Wetbulb zero: Below ground Precipitable water: 0.39 inches Sfc-500 mean rel hum: 57.57 % Est. max temperature: 10.18 C = 50.32 F Sfc-Lift cond lev (LCL): 961.64 mb = 423.70 m = 1390.06 ft T: -1.42 C 700-500 lapse rate: 6.87 C/km ThetaE index: 1.70 C Layer 769.0- 700.0 mb Conv cond level (CCL): 965.81 mb = 389.06 m = 1276.43 ft Mean mixing ratio: 3.65 g/kg Conv temperature: 0.27 C = 32.49 F Cap Strength: 7.71 C Lifted Index: 9.66 C Risk: None Lifted Index @300 mb: 16.87 C Lifted Index @700 mb: 6.12 C Showalter Index: 5.56 C Risk: None Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 24.20 C K Index: 13.30 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 1.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.67 J/kg Max Up Vert Vel: 8.56 m/s Conv Inhibition (B-): 36911.19 J/kg Cap Strength: 9.61 C Lift Cond Lev (LCL): 913.87 mb = 832.01 m = 2729.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 340 at 16 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 ---------------------------------------------------------- 0 983 248 180 5 0.0 5.0 | 165 20 -5.4 19.6 1 925 735 300 13 11.3 -6.5 | 216 10 5.9 8.1 2 850 1411 310 11 8.4 -7.1 | 202 8 3.0 7.5 3 700 2928 305 23 18.8 -13.2 | 264 14 13.4 1.4 4 500 5430 315 27 19.1 -19.1 | 288 14 13.7 -4.5 5 400 7000 320 29 18.6 -22.2 | 300 15 13.2 -7.6 6 300 8930 315 31 21.9 -21.9 | 294 18 16.5 -7.3 7 250 10100 320 33 21.2 -25.3 | 304 19 15.8 -10.7 8 200 11520 320 36 23.1 -27.6 | 306 22 17.7 -13.0 9 150 13340 320 31 19.9 -23.7 | 302 17 14.5 -9.2 10 100 15860 315 42 29.7 -29.7 | 302 29 24.3 -15.1 11 70 18030 315 46 32.5 -32.5 | 303 33 27.1 -17.9 12 50 20050 315 50 35.4 -35.4 | 305 36 30.0 -20.8 13 30 23050 310 71 54.4 -45.6 | 302 58 49.0 -31.0 Wind Parameters Mean winds (0-6000m): 309.7 at 20.7 knts Storm direction: 339.7 at 15.6 knts Shear (0-3000m) pos: 3.3 neg: 1.4 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 102.5 deg Storm rel helicity (0-3000m) pos: 99.5 neg: -4.5 tot: 95.0 m^2/s^2 ave: 31.7 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 4.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.47 Bulk Shear: 25.02 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 ------------------------------------------------------------------------------- 500 279 9 195 14| 16.5 0.0 16.5| 72.9 0.0 72.9 145.8 0.76| 21.0 16.0 1000 296 11 203 11| 7.7 0.0 7.7| 72.9 -3.7 69.2 69.2 0.62| 11.6 7.2 1500 301 11 205 10| 5.9 0.0 5.9| 78.0 -4.5 73.5 49.0 0.63| 8.8 5.5 2000 303 12 211 9| 4.4 1.0 5.5| 86.3 -4.5 81.8 40.9 0.67| 7.6 5.1 2500 304 14 221 9| 3.5 1.6 5.2| 94.2 -4.5 89.7 35.9 0.67| 6.9 4.6 3000 304 15 230 9| 3.3 1.4 4.7| 99.5 -4.5 95.0 31.7 0.67| 6.1 4.1 4000 306 17 244 10| 2.7 1.0 3.7|107.9 -4.5 103.4 25.9 0.69| 4.9 3.4 5000 308 19 254 10| 2.4 0.8 3.2|116.8 -4.5 112.3 22.5 0.71| 4.2 3.0 6000 310 21 263 11| 2.1 0.7 2.8|124.5 -4.5 120.0 20.0 0.72| 3.6 2.6 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251210.00.gif