UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 26 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 148 SFC 988 247 6.6 -9.4 31 16.0 0.9 360 9 280.7 281.0 274.6 286.2 1.89 2 945 606 0.6 -13.4 34 14.0 -3.6 340 13 278.2 278.5 272.5 282.4 1.44 3 925 777 -0.9 -13.9 37 13.0 -4.7 330 15 278.4 278.6 272.6 282.5 1.41 4 850 1444 -7.7 -15.7 53 8.0 -9.8 315 15 278.1 278.3 272.2 281.9 1.32 5 700 2918 -19.9 -24.7 66 4.8 -20.7 320 21 280.4 280.6 272.7 282.7 0.74 6 692 3003 -20.7 -24.9 69 4.2 -21.4 319 21 280.5 280.6 272.7 282.7 0.73 7 685 3078 -18.3 -24.3 59 6.0 -19.4 319 21 284.0 284.1 274.8 286.4 0.78 8 650 3468 -20.5 -37.5 20 17.0 -22.4 317 21 285.8 285.8 274.9 286.5 0.23 9 574 4377 -25.9 -38.9 28 13.0 -27.2 311 22 289.8 289.8 276.9 290.6 0.23 10 500 5360 -33.5 -45.5 29 12.0 -34.3 305 23 292.2 292.2 278.0 292.6 0.13 11 462 5909 -37.5 -48.5 31 11.0 -38.1 300 25 293.9 293.9 278.7 294.2 0.10 12 400 6890 -43.3 -56.3 23 13.0 -43.7 290 29 298.7 298.7 280.8 298.9 0.05 13 365 7504 -46.7 -60.7 19 14.0 -47.0 285 29 302.1 302.1 282.3 302.2 0.03 14 300 8810 -45.9 -62.9 13 17.0 -46.3 280 35 320.7 320.7 289.0 320.8 0.03 15 276 9368 -44.7 -63.7 10 19.0 -45.3 278 34 330.1 330.1 291.8 330.2 0.03 16 250 10030 -45.7 -66.7 8 21.0 -46.3 275 33 338.1 338.1 293.9 338.2 0.02 17 200 11510 -48.1 -72.1 5 24.0 -48.7 265 31 356.6 356.6 298.0 356.7 0.01 18 190 11847 -48.9 -72.9 4 24.0 -49.4 265 30 360.6 360.6 298.8 360.6 0.01 19 150 13400 -48.3 -72.3 5 24.0 -49.0 265 27 386.8 386.8 303.3 386.9 0.01 20 136 14045 -48.1 -72.1 5 24.0 -48.9 264 26 398.2 398.2 305.0 398.3 0.02 21 100 16050 -52.9 -75.9 5 23.0 -53.5 260 23 425.5 425.5 308.3 425.6 0.01 22 85 17103 -52.5 -75.5 5 23.0 -53.3 253 23 446.6 446.6 310.6 446.7 0.02 23 78 17656 -55.7 -77.7 5 22.0 -56.3 250 23 451.0 451.0 311.0 451.1 0.01 24 70 18350 -53.9 -76.9 4 23.0 -54.7 245 23 469.1 469.1 312.5 469.2 0.02 25 68 18536 -52.1 -75.1 5 23.0 -53.1 245 22 476.9 476.9 313.2 477.0 0.02 26 50 20500 -55.9 -77.9 5 22.0 -56.8 250 11 511.7 511.8 315.8 511.9 0.02 27 30 23740 -57.5 -79.5 4 22.0 -58.7 245 15 587.9 587.9 320.0 588.1 0.02 28 26 24642 -58.5 -80.5 4 22.0 -59.7 240 15 609.6 609.6 321.0 609.8 0.02 29 20 26310 -53.7 -76.7 4 23.0 -56.1 230 15 671.8 671.8 323.5 672.3 0.06 30 15 28152 -55.3 -77.3 5 22.0 -57.9 724.1 724.1 325.2 724.7 0.07 TRP 365 7504 -46.7 -60.7 19 14.0 -47.0 285 29 302.1 302.1 282.3 302.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5212.00 m Freezing level: 937.00 mb = 674.64 m = 2213.35 ft Wetbulb zero: 979.43 mb = 317.05 m = 1040.17 ft Precipitable water: 0.17 inches Sfc-500 mean rel hum: 41.05 % Est. max temperature: 4.16 C = 39.49 F Sfc-Lift cond lev (LCL): 771.38 mb = 2180.87 m = 7155.00 ft T: -13.80 C 700-500 lapse rate: 5.57 C/km ThetaE index: 3.81 C Layer 945.0- 925.0 mb Conv cond level (CCL): 749.22 mb = 2402.13 m = 7880.91 ft Mean mixing ratio: 1.51 g/kg Conv temperature: 5.57 C = 42.03 F Cap Strength: 6.78 C Lifted Index: 7.96 C Risk: None Lifted Index @300 mb: 26.62 C Lifted Index @700 mb: 0.44 C Showalter Index: 8.90 C Risk: None Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 25.80 C Cross Totals Index: 17.80 C K Index: 5.30 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.21 J/kg Max Up Vert Vel: 5.69 m/s Conv Inhibition (B-): 58825.04 J/kg Cap Strength: 7.79 C Lift Cond Lev (LCL): 759.15 mb = 2302.19 m = 7553.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 15 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 ---------------------------------------------------------- 0 988 247 360 9 -0.0 -9.0 | 141 7 -4.3 5.3 1 925 777 330 15 7.5 -13.0 | 248 3 3.2 1.3 2 850 1444 315 15 10.6 -10.6 | 240 7 6.3 3.7 3 700 2918 320 21 13.5 -16.1 | 281 9 9.2 -1.8 4 500 5360 305 23 18.8 -13.2 | 266 15 14.6 1.1 5 400 6890 290 29 27.3 -9.9 | 259 23 23.0 4.4 6 365 7504 285 29 28.0 -7.5 | 254 25 23.7 6.8 7 300 8810 280 35 34.5 -6.1 | 255 31 30.2 8.2 8 250 10030 275 33 32.9 -2.9 | 248 31 28.6 11.4 9 200 11510 265 31 30.9 2.7 | 237 32 26.6 17.0 10 150 13400 265 27 26.9 2.4 | 234 28 22.6 16.7 11 100 16050 260 23 22.7 4.0 | 225 26 18.4 18.3 12 70 18350 245 23 20.8 9.7 | 215 29 16.6 24.0 13 50 20500 250 11 10.3 3.8 | 199 19 6.1 18.1 14 30 23740 245 15 13.6 6.3 | 204 23 9.3 20.6 15 20 26310 230 15 11.5 9.6 | 197 25 7.2 23.9 Wind Parameters Mean winds (0-6000m): 313.3 at 19.9 knts Storm direction: 343.3 at 14.9 knts Shear (0-3000m) pos: 0.7 neg: 2.2 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 137.5 deg Storm rel helicity (0-3000m) pos: 15.7 neg: -2.0 tot: 13.7 m^2/s^2 ave: 4.6 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.00 Bulk Shear: 16.25 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 ------------------------------------------------------------------------------- 500 342 12 168 3| 0.0 8.2 8.2| 3.3 0.0 3.3 6.6 0.58| 8.5 4.9 1000 332 13 219 3| 0.0 5.2 5.2| 3.6 -0.6 3.0 3.0 0.40| 5.9 2.4 1500 326 14 234 4| 0.0 4.0 4.0| 6.0 -1.1 4.9 3.3 0.40| 4.8 1.9 2000 324 15 243 5| 0.5 3.0 3.5| 10.1 -1.1 9.0 4.5 0.47| 4.1 2.0 2500 322 16 251 6| 0.9 2.4 3.2| 14.3 -1.1 13.3 5.3 0.52| 3.7 1.9 3000 322 17 258 6| 0.7 2.2 2.9| 15.7 -2.0 13.7 4.6 0.49| 3.4 1.7 4000 320 18 265 7| 0.5 1.9 2.4| 15.7 -5.7 10.0 2.5 0.38| 2.8 1.1 5000 317 19 267 9| 0.4 1.7 2.1| 15.7 -10.4 5.3 1.1 0.29| 2.5 0.7 6000 313 20 266 10| 0.4 1.9 2.2| 15.7 -15.5 0.3 0.0 0.20| 2.6 0.5 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250426.12.gif