UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 1 MAY 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 123 SFC 985 247 5.2 0.5 72 4.7 3.1 315 15 279.6 280.2 277.0 290.7 4.02 2 953 515 1.0 -3.5 72 4.5 -0.7 320 26 278.0 278.5 274.9 286.6 3.09 3 925 754 -0.5 -3.5 80 3.0 -1.7 325 35 278.8 279.3 275.5 287.7 3.19 4 854 1387 -5.3 -8.4 79 3.1 -6.3 334 29 280.2 280.6 275.0 287.0 2.37 5 850 1424 -5.3 -8.3 79 3.0 -6.3 335 29 280.6 281.0 275.3 287.4 2.40 6 788 2017 -6.1 -9.1 79 3.0 -7.1 337 26 285.9 286.3 278.1 293.0 2.43 7 700 2933 -12.3 -16.6 70 4.3 -13.4 340 21 288.9 289.1 278.3 293.4 1.49 8 673 3233 -13.9 -18.2 70 4.3 -15.0 341 21 290.3 290.6 278.9 294.5 1.35 9 668 3289 -14.3 -18.6 70 4.3 -15.3 341 20 290.5 290.7 278.9 294.5 1.32 10 601 4079 -21.9 -29.9 48 8.0 -23.1 342 19 290.6 290.7 277.8 292.3 0.53 11 548 4752 -25.9 -40.9 23 15.0 -27.3 344 18 293.7 293.7 278.8 294.3 0.20 12 536 4912 -26.7 -41.7 23 15.0 -28.0 344 18 294.6 294.6 279.2 295.2 0.18 13 500 5410 -30.9 -43.9 27 13.0 -31.9 345 17 295.4 295.4 279.5 295.9 0.16 14 443 6259 -37.5 -51.5 22 14.0 -38.1 337 20 297.4 297.5 280.3 297.7 0.07 15 400 6960 -41.1 -55.1 21 14.0 -41.6 330 23 301.6 301.6 282.1 301.8 0.05 16 375 7394 -44.1 -58.1 20 14.0 -44.5 330 25 303.2 303.2 282.7 303.4 0.04 17 300 8890 -42.7 -58.7 16 16.0 -43.3 305 23 325.2 325.2 290.4 325.4 0.05 18 298 8935 -42.3 -58.3 16 16.0 -42.9 305 23 326.4 326.4 290.7 326.6 0.05 19 250 10120 -45.3 -63.3 11 18.0 -45.9 295 29 338.7 338.7 294.0 338.8 0.03 20 200 11600 -46.9 -66.9 8 20.0 -47.5 290 27 358.5 358.5 298.4 358.6 0.02 21 150 13490 -49.7 -69.7 8 20.0 -50.3 295 29 384.4 384.4 302.9 384.5 0.02 22 100 16120 -53.9 -73.9 7 20.0 -54.5 285 21 423.6 423.6 308.2 423.7 0.02 23 83 17320 -52.3 -72.3 7 20.0 -53.1 277 21 450.0 450.0 310.8 450.2 0.03 24 73 18142 -55.9 -74.9 8 19.0 -56.5 272 21 459.3 459.3 311.7 459.4 0.02 25 70 18410 -54.7 -73.7 8 19.0 -55.4 270 21 467.4 467.4 312.4 467.5 0.03 26 59 19510 -52.3 -72.3 7 20.0 -53.4 270 17 496.2 496.2 314.7 496.4 0.04 27 50 20580 -52.5 -73.5 6 21.0 -53.8 270 13 519.8 519.8 316.3 520.0 0.04 28 30 23890 -50.7 -70.7 8 20.0 -52.9 235 9 606.4 606.5 320.9 607.1 0.09 29 20 26540 -49.7 -70.7 7 21.0 -53.0 195 11 684.0 684.1 324.0 685.2 0.14 30 17 27604 -49.5 -71.5 6 22.0 -53.3 717.2 717.3 325.0 718.5 0.14 31 12 29909 -44.9 -69.9 4 25.0 -51.6 808.7 808.8 327.5 811.3 0.26 TRP 375 7394 -44.1 -58.1 20 14.0 -44.5 330 25 303.2 303.2 282.7 303.4 0.04 WND Sounding variables and indices 1000-500 mb thick: 5287.00 m Freezing level: 934.33 mb = 674.18 m = 2211.85 ft Wetbulb zero: 959.14 mb = 462.44 m = 1517.17 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 60.87 % Est. max temperature: 7.46 C = 45.43 F Sfc-Lift cond lev (LCL): 916.20 mb = 829.78 m = 2722.33 ft T: -1.07 C 700-500 lapse rate: 7.51 C/km ThetaE index: 4.14 C Layer 953.0- 925.0 mb Conv cond level (CCL): 867.45 mb = 1263.22 m = 4144.38 ft Mean mixing ratio: 3.19 g/kg Conv temperature: 5.59 C = 42.06 F Cap Strength: 6.85 C Lifted Index: 7.05 C Risk: None Lifted Index @300 mb: 26.60 C Lifted Index @700 mb: 4.85 C Showalter Index: 7.28 C Risk: None Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 22.60 C K Index: 13.00 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 1.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.55 J/kg Max Up Vert Vel: 3.02 m/s Conv Inhibition (B-): 71386.09 J/kg Cap Strength: 7.02 C Lift Cond Lev (LCL): 882.15 mb = 1129.99 m = 3707.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 7 at 17 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 ---------------------------------------------------------- 0 985 247 315 15 10.6 -10.6 | 245 14 12.6 6.0 1 925 754 325 35 20.1 -28.7 | 299 25 22.1 -12.1 2 850 1424 335 29 12.3 -26.3 | 304 17 14.3 -9.7 3 700 2933 340 21 7.2 -19.7 | 289 10 9.2 -3.1 4 500 5410 345 17 4.4 -16.4 | 269 6 6.4 0.2 5 400 6960 330 23 11.5 -19.9 | 284 14 13.5 -3.3 6 375 7394 330 25 12.5 -21.7 | 289 15 14.5 -5.1 7 300 8890 305 23 18.8 -13.2 | 261 21 20.8 3.4 8 250 10120 295 29 26.3 -12.3 | 261 29 28.3 4.3 9 200 11600 290 27 25.4 -9.2 | 255 28 27.4 7.4 10 150 13490 295 29 26.3 -12.3 | 261 29 28.3 4.3 11 100 16120 285 21 20.3 -5.4 | 243 25 22.3 11.2 12 70 18410 270 21 21.0 -0.0 | 234 28 23.0 16.6 13 50 20580 270 13 13.0 -0.0 | 222 22 15.0 16.6 14 30 23890 235 9 7.4 5.2 | 203 24 9.4 21.8 15 20 26540 195 11 2.8 10.6 | 190 28 4.9 27.2 Wind Parameters Mean winds (0-6000m): 336.9 at 22.3 knts Storm direction: 6.9 at 16.7 knts Shear (0-3000m) pos: 1.6 neg: 0.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 42.7 deg Storm rel helicity (0-3000m) pos: 92.9 neg: -11.7 tot: 81.2 m^2/s^2 ave: 27.1 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.78 Bulk Shear: 5.84 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 ------------------------------------------------------------------------------- 500 322 25 280 18| 20.7 0.0 20.7| 79.9 0.0 79.9 159.8 0.82| 20.8 17.1 1000 326 29 292 20| 8.7 0.0 8.7| 91.1 0.0 91.1 91.1 0.71| 13.5 9.5 1500 329 29 295 19| 4.9 0.0 4.9| 92.9 -1.9 91.0 60.7 0.61| 10.3 6.3 2000 330 28 296 18| 3.2 0.0 3.2| 92.9 -5.4 87.5 43.7 0.53| 8.4 4.5 2500 332 27 296 17| 2.1 0.0 2.1| 92.9 -9.5 83.4 33.4 0.45| 7.3 3.3 3000 333 26 296 15| 1.6 0.0 1.6| 92.9 -11.7 81.2 27.1 0.41| 6.4 2.6 4000 335 25 294 14| 1.1 0.0 1.1| 92.9 -13.9 79.0 19.7 0.37| 5.0 1.8 5000 336 23 292 12| 0.9 0.0 0.9| 92.9 -16.3 76.6 15.3 0.32| 4.2 1.3 6000 337 22 290 11| 0.7 0.3 1.1| 96.5 -16.5 80.0 13.3 0.33| 3.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250501.12.gif