UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070400.upa.cvt Date: 0000Z 4 JUL 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 4 JUL 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 119 SFC 986 240 18.0 15.1 83 2.9 16.1 225 5 292.3 294.3 289.8 323.6 11.01 2 962 454 25.6 17.6 61 8.0 20.1 239 11 302.1 304.5 294.6 341.3 13.28 3 950 564 25.6 15.6 54 10.0 18.8 245 14 303.2 305.3 293.9 338.2 11.81 4 935 703 23.4 11.4 47 12.0 15.8 254 18 302.3 304.0 291.5 329.3 9.09 5 926 788 22.2 10.2 46 12.0 14.7 259 21 301.9 303.5 290.9 327.0 8.46 6 925 797 22.2 10.2 46 12.0 14.7 260 21 302.0 303.6 290.9 327.2 8.47 7 906 977 22.4 12.4 53 10.0 15.9 265 21 304.0 305.9 292.8 334.0 10.03 8 850 1527 16.6 6.6 52 10.0 10.7 280 19 303.5 304.9 290.3 325.2 7.21 9 809 1944 13.4 5.4 58 8.0 8.8 277 19 304.5 305.7 290.4 325.5 6.97 10 740 2685 7.6 -6.4 36 14.0 1.3 273 19 306.0 306.6 287.4 316.0 3.20 11 700 3139 3.8 -14.2 25 18.0 -2.9 270 19 306.7 307.0 286.2 312.5 1.82 12 605 4308 -3.5 -34.5 7 31.0 -10.2 274 23 311.3 311.4 286.2 312.5 0.34 13 545 5127 -8.3 -37.3 8 29.0 -13.9 277 26 315.1 315.1 287.5 316.1 0.28 14 537 5241 -8.9 -20.9 37 12.0 -12.5 278 27 315.7 315.9 288.8 320.2 1.35 15 500 5790 -13.1 -20.1 56 7.0 -15.2 280 29 317.1 317.4 289.5 322.3 1.55 16 486 6005 -15.3 -21.3 60 6.0 -17.0 279 30 316.9 317.2 289.3 321.8 1.44 17 454 6515 -17.3 -23.3 60 6.0 -18.8 278 32 320.7 320.9 290.3 325.1 1.29 18 429 6936 -20.3 -33.3 30 13.0 -22.7 277 33 322.1 322.2 290.0 324.0 0.54 19 400 7450 -23.1 -42.1 16 19.0 -25.6 275 35 325.0 325.0 290.5 325.9 0.24 20 389 7654 -24.1 -45.1 13 21.0 -26.6 274 35 326.3 326.3 290.8 326.9 0.18 21 368 8057 -27.3 -54.3 6 27.0 -29.5 271 34 327.2 327.2 291.0 327.5 0.06 22 306 9363 -36.5 -63.5 4 27.0 -37.7 261 31 332.0 332.0 292.3 332.1 0.02 23 300 9500 -36.9 -62.9 5 26.0 -38.1 260 31 333.4 333.4 292.6 333.5 0.03 24 250 10740 -44.9 -69.9 4 25.0 -45.6 260 33 339.3 339.3 294.1 339.4 0.01 25 238 11067 -47.3 -71.3 5 24.0 -47.9 340.5 340.5 294.4 340.5 0.01 26 225 11438 -48.1 -72.1 5 24.0 -48.6 270 29 344.8 344.8 295.5 344.8 0.01 27 207 11990 -46.1 -70.1 5 24.0 -46.8 356.2 356.3 298.0 356.3 0.01 28 206 12022 -46.1 -70.1 5 24.0 -46.8 356.7 356.7 298.1 356.8 0.01 TRP 225 11438 -48.1 -72.1 5 24.0 -48.6 270 29 344.8 344.8 295.5 344.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5671.00 m Freezing level: 650.55 mb = 3747.54 m = 12294.93 ft Wetbulb zero: 727.78 mb = 2821.05 m = 9255.31 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 34.77 % Est. max temperature: 29.48 C = 85.06 F Sfc-Lift cond lev (LCL): 944.56 mb = 614.33 m = 2015.48 ft T: 24.81 C 700-500 lapse rate: 6.37 C/km ThetaE index: 14.22 C Layer 950.0- 925.0 mb Conv cond level (CCL): 776.39 mb = 2286.22 m = 7500.64 ft Mean mixing ratio: 10.48 g/kg Conv temperature: 30.80 C = 87.45 F Cap Strength: 2.47 C Lifted Index: -3.10 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 1.69 C Lifted Index @700 mb: -1.43 C Showalter Index: 0.53 C Risk: Thunderstorms probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.70 C Cross Totals Index: 19.70 C K Index: 18.30 Risk: < 20 % chance of thunderstorms Sweat Index: 154.20 Risk: None Energy Index: -0.58 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 472.68 J/kg Max Up Vert Vel: 30.75 m/s Conv Inhibition (B-): 113.84 J/kg Cap Strength: 2.47 C Lift Cond Lev (LCL): 815.91 mb = 1872.51 m = 6143.32 ft Lev Free Conv (LFC): 730.91 mb = 2786.02 m = 9140.39 ft Equ Level (EL): 330.91 mb = 8808.82 m = 28899.98 ft B at Equ Level: 472.30 J/kg Max Parcel Lev (MPL): 220.91 mb = 11559.51 m = 37924.43 ft Wind level data Storm motion: 304 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 ---------------------------------------------------------- 0 986 240 225 5 3.5 3.5 | 142 16 -9.9 12.7 1 925 797 260 21 20.7 3.6 | 209 15 7.2 12.8 2 850 1527 280 19 18.7 -3.3 | 222 8 5.3 5.9 3 700 3139 270 19 19.0 -0.0 | 211 11 5.6 9.2 4 500 5790 280 29 28.6 -5.0 | 255 16 15.1 4.1 5 400 7450 275 35 34.9 -3.1 | 254 22 21.4 6.1 6 300 9500 260 31 30.5 5.4 | 230 22 17.1 14.6 7 250 10740 260 33 32.5 5.7 | 232 24 19.1 14.9 Wind Parameters Mean winds (0-6000m): 274.3 at 21.7 knts Storm direction: 304.3 at 16.3 knts Shear (0-3000m) pos: 2.8 neg: 0.5 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 71.2 deg Storm rel helicity (0-3000m) pos: 80.7 neg: -4.2 tot: 76.5 m^2/s^2 ave: 25.5 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.3 10^-3/s Energy-Hel index: 0.24 Bulk Rich Number: 27.69 Bulk Shear: 17.07 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 ------------------------------------------------------------------------------- 500 253 12 172 13| 15.8 0.0 15.8| 64.3 0.0 64.3 128.6 1.00| 16.4 16.4 1000 260 16 192 12| 8.6 0.0 8.6| 77.6 0.0 77.6 77.6 0.88| 11.5 10.1 1500 267 17 200 11| 5.7 0.0 5.7| 79.6 -0.5 79.1 52.7 0.79| 8.7 6.9 2000 269 18 205 10| 4.3 0.3 4.5| 79.6 -1.7 77.9 38.9 0.74| 6.8 5.0 2500 271 18 207 10| 3.4 0.4 3.8| 79.6 -3.0 76.5 30.6 0.69| 5.7 3.9 3000 271 18 208 10| 2.8 0.5 3.3| 80.7 -4.2 76.5 25.5 0.66| 4.9 3.3 4000 271 19 212 10| 2.6 0.4 3.0| 92.1 -4.2 87.9 22.0 0.70| 4.2 2.9 5000 273 20 219 11| 2.5 0.3 2.8|104.5 -4.2 100.3 20.1 0.72| 3.8 2.7 6000 274 22 227 11| 2.3 0.3 2.6|112.0 -4.2 107.8 18.0 0.69| 3.5 2.4 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250704.00.gif