UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025063000.upa.cvt Date: 0000Z 30 JUN 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 30 JUN 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 16 SFC 973 246 11.2 7.3 77 3.9 9.1 270 13 286.6 287.7 283.4 305.1 6.60 2 946 483 12.2 7.9 75 4.3 9.8 289 27 289.9 291.2 285.3 310.0 7.08 3 925 672 11.6 7.1 74 4.5 9.1 305 38 291.2 292.4 285.6 310.7 6.85 4 894 954 10.6 6.2 74 4.4 8.2 307 37 293.0 294.2 286.1 312.2 6.66 5 850 1368 6.4 2.3 75 4.1 4.4 310 36 292.9 293.8 284.7 308.3 5.32 6 823 1633 4.2 0.1 75 4.1 2.2 310 37 293.2 294.1 284.1 306.9 4.68 7 700 2937 -2.9 310 44 299.3 8 660 3400 -4.9 309 46 302.1 9 528 5106 -18.1 306 52 306.2 10 500 5510 -20.5 305 54 308.0 11 400 7130 -32.1 300 48 313.3 12 377 7546 -33.9 295 56 316.2 13 326 8571 -30.5 295 61 334.3 14 300 9160 -31.5 295 64 341.0 15 250 10440 -33.1 295 62 356.9 16 237 10815 -34.1 300 66 360.8 17 235 10874 -34.3 361.4 TRP 377 7546 -33.9 295 56 316.2 WND 237 10815 -34.1 300 66 360.8 Sounding variables and indices 1000-500 mb thick: 5494.00 m Freezing level: 750.24 mb = 2404.23 m = 7887.79 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 74.72 % Est. max temperature: 17.80 C = 64.05 F Sfc-Lift cond lev (LCL): 917.21 mb = 741.96 m = 2434.23 ft T: 11.35 C 700-500 lapse rate: 6.84 C/km ThetaE index: 10311.17 C Layer 850.0--142227396578952111086143744166068224.0 mb Conv cond level (CCL): 837.55 mb = 1488.92 m = 4884.85 ft Mean mixing ratio: 6.73 g/kg Conv temperature: 17.59 C = 63.67 F Cap Strength: 2.11 C Lifted Index: 1.69 C Risk: Showers probable Lifted Index @300 mb: 22.09 C Lifted Index @700 mb: 1.12 C Showalter Index: 2.92 C Risk: Showers probable Total Totals Index: 49.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 22.80 C Sweat Index: 167.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.57 J/kg Max Up Vert Vel: 7.01 m/s Conv Inhibition (B-): 3073.67 J/kg Cap Strength: 2.01 C Lift Cond Lev (LCL): 863.30 mb = 1240.70 m = 4070.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 33 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 ---------------------------------------------------------- 0 973 246 270 13 13.0 -0.0 | 180 31 0.0 30.6 1 925 672 305 38 31.1 -21.8 | 244 20 18.2 8.8 2 850 1368 310 36 27.6 -23.1 | 243 16 14.6 7.4 3 700 2937 310 44 33.7 -28.3 | 264 21 20.7 2.3 4 500 5510 305 54 44.2 -31.0 | 271 31 31.3 -0.4 5 400 7130 300 48 41.6 -24.0 | 257 29 28.6 6.6 6 377 7546 295 56 50.8 -23.7 | 260 38 37.8 6.9 7 300 9160 295 64 58.0 -27.0 | 266 45 45.0 3.5 8 250 10440 295 62 56.2 -26.2 | 264 43 43.2 4.4 Wind Parameters Mean winds (0-6000m): 307.0 at 44.3 knts Storm direction: 337.0 at 33.2 knts Shear (0-3000m) pos: 5.0 neg: 1.2 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 85.1 deg Storm rel helicity (0-3000m) pos: 217.7 neg: -1.5 tot: 216.1 m^2/s^2 ave: 72.0 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 5.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.59 Bulk Shear: 41.82 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 ------------------------------------------------------------------------------- 500 298 27 212 21| 29.1 0.0 29.1|182.9 0.0 182.9 365.8 0.93| 30.7 28.6 1000 304 32 227 19| 14.2 0.0 14.2|182.9 -1.2 181.7 181.7 0.85| 16.8 14.2 1500 306 34 233 18| 10.0 0.0 10.0|190.5 -1.5 189.0 126.0 0.83| 12.0 10.0 2000 307 35 238 18| 7.5 0.7 8.2|200.7 -1.5 199.1 99.6 0.83| 9.7 8.1 2500 308 36 243 18| 6.0 1.0 7.1|210.8 -1.5 209.3 83.7 0.83| 8.2 6.9 3000 308 38 247 18| 5.0 1.2 6.3|217.7 -1.5 216.1 72.0 0.82| 7.3 5.9 4000 308 40 253 19| 3.8 1.5 5.2|226.4 -1.5 224.8 56.2 0.77| 6.0 4.6 5000 308 42 257 21| 3.0 1.6 4.6|233.4 -1.5 231.9 46.4 0.73| 5.2 3.8 6000 307 44 260 23| 2.5 1.2 3.7|234.6 -28.0 206.6 34.4 0.61| 4.7 2.9 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250630.00.gif