UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 27 APR 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 224 315 11 SFC 998 240 4.8 -8.2 38 13.0 0.2 315 11 278.1 278.5 273.4 284.0 2.06 2 981 380 1.6 -11.4 37 13.0 -2.5 321 12 276.3 276.5 271.6 280.9 1.63 3 925 852 -2.9 -12.9 46 10.0 -5.8 340 15 276.3 276.6 271.5 280.7 1.53 4 850 1515 -9.1 -15.1 62 6.0 -10.6 345 13 276.6 276.8 271.5 280.6 1.39 5 730 2666 -19.7 -24.5 66 4.8 -20.5 1 29 277.3 277.4 270.8 279.5 0.72 6 706 2914 -17.5 -28.5 38 11.0 -19.2 4 32 282.4 282.5 273.5 284.0 0.52 7 700 2978 -17.5 -30.5 31 13.0 -19.4 5 33 283.1 283.2 273.7 284.5 0.43 8 674 3259 -18.5 -37.5 17 19.0 -20.7 4 36 285.1 285.1 274.5 285.8 0.23 9 536 4927 -28.5 -46.5 16 18.0 -29.8 357 56 292.4 292.4 278.0 292.8 0.11 10 500 5420 -32.1 -50.1 15 18.0 -33.1 355 62 293.9 293.9 278.7 294.2 0.08 11 482 5679 -34.1 -52.1 15 18.0 -35.0 356 67 294.5 294.5 279.0 294.8 0.06 12 424 6577 -36.1 -55.1 12 19.0 -37.0 359 86 303.0 303.0 282.7 303.2 0.05 13 400 6980 -39.3 -56.3 15 17.0 -39.9 360 95 303.9 303.9 283.0 304.1 0.05 14 351 7861 -46.1 -59.1 22 13.0 -46.4 356 101 306.3 306.3 284.0 306.5 0.04 15 333 8209 -48.1 -61.1 21 13.0 -48.4 355 104 308.2 308.2 284.7 308.3 0.03 16 307 8740 -51.3 -64.3 20 13.0 -51.5 355 99 311.0 311.0 285.7 311.1 0.02 17 305 8783 -51.5 -63.5 23 12.0 -51.7 355 99 311.3 311.3 285.8 311.4 0.02 18 300 8890 -51.1 -64.1 20 13.0 -51.3 355 95 313.3 313.3 286.5 313.4 0.02 19 250 10080 -50.7 -64.7 17 14.0 -51.0 345 58 330.7 330.7 291.9 330.8 0.03 20 200 11530 -50.3 -67.3 12 17.0 -50.7 345 40 353.1 353.1 297.3 353.2 0.02 21 150 13400 -51.5 -72.5 6 21.0 -52.0 320 25 381.3 381.3 302.5 381.4 0.01 22 121 14800 -50.5 -72.5 6 22.0 -51.2 294 20 407.3 407.3 306.2 407.4 0.02 23 111 15359 -53.9 -76.9 4 23.0 -54.4 283 18 411.1 411.1 306.6 411.2 0.01 24 100 16030 -53.5 -76.5 4 23.0 -54.1 270 15 424.4 424.4 308.2 424.4 0.01 25 70 18320 -54.7 -77.7 4 23.0 -55.5 255 19 467.4 467.4 312.4 467.4 0.01 26 50 20480 -53.9 -76.9 4 23.0 -55.0 245 17 516.5 516.5 316.1 516.6 0.02 27 48 20741 -53.5 -76.5 4 23.0 -54.7 244 17 523.5 523.5 316.5 523.6 0.02 28 43 21442 -56.7 -78.7 5 22.0 -57.6 242 17 532.3 532.3 317.1 532.5 0.02 29 38 22228 -53.7 -76.7 4 23.0 -55.1 240 17 559.1 559.1 318.6 559.3 0.03 30 30 23730 -57.7 -79.7 4 22.0 -58.9 235 17 587.3 587.3 320.0 587.5 0.02 31 27 24397 -58.1 -80.1 4 22.0 -59.3 231 17 604.2 604.2 320.8 604.4 0.02 32 23 25420 -54.1 -77.1 4 23.0 -56.2 225 17 644.3 644.3 322.5 644.7 0.05 33 20 26320 -53.5 -76.5 4 23.0 -55.9 220 17 672.4 672.4 323.5 672.9 0.06 34 15 28172 -53.3 -76.3 4 23.0 -56.4 730.7 730.8 325.4 731.5 0.08 35 12 29625 -48.3 -72.3 5 24.0 -53.6 796.6 796.7 327.2 798.4 0.18 TRP 305 8783 -51.5 -63.5 23 12.0 -51.7 355 99 311.3 311.3 285.8 311.4 0.02 WND 333 8209 -48.1 -61.1 21 13.0 -48.4 355 104 308.2 308.2 284.7 308.3 0.03 Sounding variables and indices 1000-500 mb thick: 5196.00 m Freezing level: 961.09 mb = 547.98 m = 1797.82 ft Wetbulb zero: 996.77 mb = 250.46 m = 821.70 ft Precipitable water: 0.17 inches Sfc-500 mean rel hum: 36.41 % Est. max temperature: 3.32 C = 37.97 F Sfc-Lift cond lev (LCL): 815.75 mb = 1825.96 m = 5990.61 ft T: -11.96 C 700-500 lapse rate: 5.98 C/km ThetaE index: 4.49 C Layer 981.0- 706.0 mb Conv cond level (CCL): 788.71 mb = 2080.76 m = 6826.57 ft Mean mixing ratio: 1.60 g/kg Conv temperature: 3.71 C = 38.68 F Cap Strength: 10.21 C Lifted Index: 11.01 C Risk: None Lifted Index @300 mb: 22.88 C Lifted Index @700 mb: 4.39 C Showalter Index: 11.36 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 17.00 C K Index: -5.10 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 2.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.36 J/kg Max Up Vert Vel: 2.95 m/s Conv Inhibition (B-): 12.43 J/kg Cap Strength: 10.89 C Lift Cond Lev (LCL): 795.11 mb = 2019.69 m = 6626.19 ft Lev Free Conv (LFC): 760.11 mb = 2360.02 m = 7742.74 ft Equ Level (EL): 730.11 mb = 2664.44 m = 8741.50 ft B at Equ Level: 4.05 J/kg Max Parcel Lev (MPL): 720.11 mb = 2767.04 m = 9078.12 ft Wind level data Storm motion: 27 at 28 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 ---------------------------------------------------------- 0 998 240 315 11 7.8 -7.8 | 229 27 20.5 17.7 1 925 852 340 15 5.1 -14.1 | 238 21 17.9 11.4 2 850 1515 345 13 3.4 -12.6 | 231 21 16.1 12.9 3 700 2978 5 33 -2.9 -32.9 | 307 12 9.9 -7.4 4 500 5420 355 62 5.4 -61.8 | 333 41 18.1 -36.3 5 400 6980 360 95 -0.0 -95.0 | 350 71 12.7 -69.5 6 333 8209 355 104 9.1 -103.6 | 344 81 21.8 -78.1 7 305 8783 355 99 8.6 -98.6 | 344 76 21.4 -73.1 8 300 8890 355 95 8.3 -94.6 | 343 72 21.0 -69.2 9 250 10080 345 58 15.0 -56.0 | 318 41 27.8 -30.5 10 200 11530 345 40 10.4 -38.6 | 300 27 23.1 -13.2 11 150 13400 320 25 16.1 -19.2 | 258 29 28.8 6.3 12 100 16030 270 15 15.0 -0.0 | 227 38 27.7 25.5 13 70 18320 255 19 18.4 4.9 | 226 43 31.1 30.4 14 50 20480 245 17 15.4 7.2 | 221 43 28.2 32.7 15 30 23730 235 17 13.9 9.8 | 217 44 26.7 35.2 16 20 26320 220 17 10.9 13.0 | 212 45 23.7 38.5 Wind Parameters Mean winds (0-6000m): 356.6 at 38.0 knts Storm direction: 26.6 at 28.5 knts Shear (0-3000m) pos: 5.2 neg: 0.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 86.6 deg Storm rel helicity (0-3000m) pos: 107.3 neg: -10.9 tot: 96.4 m^2/s^2 ave: 32.1 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 101.45 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 ------------------------------------------------------------------------------- 500 327 13 233 25| 5.7 0.0 5.7| 20.2 0.0 20.2 40.4 0.55| 5.7 3.1 1000 334 14 235 23| 3.4 0.0 3.4| 22.8 -7.1 15.7 15.7 0.27| 4.2 1.1 1500 338 14 234 22| 3.1 0.0 3.1| 34.9 -10.9 24.0 16.0 0.32| 4.1 1.3 2000 343 15 237 20| 4.1 0.0 4.1| 62.2 -10.9 51.3 25.6 0.52| 4.9 2.6 2500 349 17 243 18| 4.9 0.0 4.9| 87.6 -10.9 76.8 30.7 0.64| 5.5 3.5 3000 354 20 249 16| 5.2 0.0 5.2|107.3 -10.9 96.4 32.1 0.68| 5.8 3.9 4000 357 25 270 14| 3.9 1.6 5.4|131.6 -10.9 120.7 30.2 0.60| 5.9 3.6 5000 357 32 293 16| 3.1 2.5 5.6|144.9 -10.9 134.0 26.8 0.50| 6.0 3.0 6000 357 38 310 19| 4.2 2.1 6.3|251.3 -10.9 240.4 40.1 0.48| 6.7 3.2 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250427.12.gif