UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062900.upa.cvt Date: 0000Z 29 JUN 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 29 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 93 SFC 982 246 13.2 11.1 87 2.1 12.0 290 5 287.8 289.3 285.9 311.6 8.47 2 941 604 12.4 10.4 88 2.0 11.2 329 19 290.6 292.1 286.9 314.5 8.44 3 925 748 11.0 8.8 86 2.2 9.7 345 25 290.6 291.9 286.2 312.4 7.70 4 850 1451 7.4 5.3 87 2.1 6.3 325 15 293.9 295.1 286.4 312.9 6.58 5 774 2216 2.4 0.5 87 1.9 1.5 323 17 296.5 297.4 285.9 311.6 5.13 6 700 3026 0.0 -2.1 86 2.1 -1.0 320 19 302.5 303.3 287.6 316.7 4.68 7 680 3257 -0.9 -3.0 86 2.1 -1.9 321 21 304.0 304.8 288.0 317.8 4.51 8 558 4802 -11.3 330 36 309.4 9 529 5211 -11.5 332 40 313.9 10 500 5640 -14.7 335 44 315.1 11 400 7300 -24.7 340 56 322.9 12 334 8599 -31.7 346 75 330.4 13 300 9350 -38.7 350 87 330.8 14 250 10570 -49.3 350 108 332.7 15 245 10702 -50.5 350 105 332.9 16 221 11371 -52.7 350 88 339.5 17 207 11791 -55.9 350 77 340.9 18 200 12010 -55.7 350 71 344.6 19 182 12608 -57.3 351.4 20 172 12967 -55.5 360.1 TRP WND 250 10570 -49.3 350 108 332.7 Sounding variables and indices 1000-500 mb thick: 5547.00 m Freezing level: 700.00 mb = 3026.00 m = 9927.70 ft Wetbulb zero: 729.36 mb = 2694.92 m = 8841.48 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 86.62 % Est. max temperature: 19.82 C = 67.68 F Sfc-Lift cond lev (LCL): 951.53 mb = 510.86 m = 1676.04 ft T: 12.61 C 700-500 lapse rate: 5.62 C/km ThetaE index: 2.04 C Layer 925.0- 850.0 mb Conv cond level (CCL): 866.99 mb = 1286.44 m = 4220.55 ft Mean mixing ratio: 7.92 g/kg Conv temperature: 18.45 C = 65.21 F Cap Strength: 5.82 C Lifted Index: 5.82 C Risk: None Lifted Index @300 mb: 13.02 C Lifted Index @700 mb: 2.73 C Showalter Index: 5.79 C Risk: None Total Totals Index: 42.10 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 20.00 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 137.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.10 J/kg Max Up Vert Vel: 5.50 m/s Conv Inhibition (B-): 4259.89 J/kg Cap Strength: 5.83 C Lift Cond Lev (LCL): 901.89 mb = 958.37 m = 3144.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 1 at 20 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 ---------------------------------------------------------- 0 982 246 290 5 4.7 -1.7 | 195 19 5.0 18.3 1 925 748 345 25 6.5 -24.1 | 302 8 6.8 -4.2 2 850 1451 325 15 8.6 -12.3 | 229 12 8.9 7.7 3 700 3026 320 19 12.2 -14.6 | 247 14 12.5 5.4 4 500 5640 335 44 18.6 -39.9 | 316 27 18.9 -19.9 5 400 7300 340 56 19.2 -52.6 | 329 38 19.5 -32.7 6 300 9350 350 87 15.1 -85.7 | 347 68 15.4 -65.7 7 250 10570 350 108 18.8 -106.4 | 348 88 19.1 -86.4 8 200 12010 350 71 12.3 -69.9 | 346 52 12.7 -50.0 Wind Parameters Mean winds (0-6000m): 330.9 at 26.6 knts Storm direction: 0.9 at 20.0 knts Shear (0-3000m) pos: 4.3 neg: 1.9 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 60.1 deg Storm rel helicity (0-3000m) pos: 95.0 neg: -26.9 tot: 68.1 m^2/s^2 ave: 22.7 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.82 Bulk Shear: 18.52 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 ------------------------------------------------------------------------------- 500 337 15 225 9| 23.1 0.0 23.1| 74.9 0.0 74.9 149.8 0.89| 25.8 23.0 1000 338 18 247 8| 11.5 4.5 16.0| 74.9 -18.9 56.0 56.0 0.41| 17.4 7.2 1500 335 17 242 9| 7.7 4.0 11.7| 77.1 -26.9 50.2 33.4 0.31| 13.0 4.1 2000 332 17 240 10| 5.8 2.9 8.6| 81.1 -26.9 54.2 27.1 0.33| 10.1 3.4 2500 330 17 241 10| 4.6 2.3 6.9| 85.1 -26.9 58.2 23.3 0.35| 8.3 2.9 3000 328 18 242 11| 4.3 1.9 6.2| 95.0 -26.9 68.1 22.7 0.39| 7.5 2.9 4000 327 20 252 12| 4.4 1.4 5.9|132.2 -26.9 105.3 26.3 0.49| 6.9 3.3 5000 329 23 268 12| 4.6 1.1 5.7|175.7 -26.9 148.8 29.8 0.53| 6.5 3.5 6000 331 27 284 14| 4.6 0.9 5.5|216.2 -26.9 189.3 31.5 0.54| 6.2 3.4 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250629.00.gif