UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 27 APR 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1001 82 4.6 3.2 91 1.4 3.9 330 3 277.7 278.5 277.0 290.8 4.81 1 1000 90 4.4 3.0 91 1.4 3.8 320 3 277.5 278.4 276.9 290.5 4.74 2 937 616 0.8 -0.2 93 1.0 0.4 337 6 279.1 279.8 276.7 290.2 4.02 3 925 720 2.0 1.0 93 1.0 1.5 340 7 281.4 282.1 278.5 293.7 4.44 4 889 1043 6.4 5.5 94 0.9 5.9 342 10 289.1 290.2 284.2 307.2 6.38 5 850 1410 5.8 4.9 94 0.9 5.3 345 13 292.2 293.4 285.5 310.6 6.40 6 806 1843 3.8 2.9 94 0.9 3.4 348 16 294.6 295.6 285.9 311.6 5.85 7 743 2497 -0.7 -3.7 80 3.0 -2.0 352 20 296.6 297.3 284.7 308.3 3.91 8 700 2970 -4.3 -16.3 39 12.0 -8.0 355 23 297.7 298.0 282.4 302.5 1.53 9 641 3662 -6.5 -35.5 8 29.0 -12.0 352 26 302.8 302.9 282.9 303.8 0.29 10 614 3999 -6.5 -35.5 8 29.0 -12.2 351 28 306.6 306.6 284.4 307.6 0.30 11 500 5570 -18.3 -45.3 7 27.0 -21.5 345 35 310.7 310.8 285.8 311.2 0.13 12 424 6776 -27.9 -51.9 8 24.0 -29.7 327 37 313.5 313.5 286.6 313.7 0.07 13 400 7190 -32.1 -56.1 7 24.0 -33.5 320 38 313.3 313.3 286.5 313.5 0.05 14 356 7999 -39.5 -60.5 9 21.0 -40.3 318 40 313.9 313.9 286.8 314.1 0.03 15 300 9150 -46.9 -64.9 11 18.0 -47.3 315 44 319.3 319.3 288.5 319.3 0.02 16 250 10330 -54.9 -70.9 12 16.0 -55.1 295 48 324.4 324.4 290.1 324.5 0.01 17 243 10510 -56.3 -72.3 12 16.0 -56.5 295 48 325.0 325.0 290.3 325.0 0.01 18 225 10998 -54.7 -70.7 12 16.0 -54.9 295 46 334.7 334.7 293.0 334.7 0.01 19 200 11750 -54.1 -72.1 9 18.0 -54.4 295 44 347.1 347.1 296.0 347.1 0.01 20 150 13600 -53.1 -75.1 5 22.0 -53.5 300 36 378.6 378.6 302.0 378.6 0.01 21 146 13775 -50.9 -74.9 4 24.0 -51.5 300 36 385.3 385.3 303.1 385.4 0.01 22 100 16220 -53.9 -75.9 5 22.0 -54.5 305 33 423.6 423.6 308.2 423.6 0.01 23 93 16686 -54.5 -76.5 5 22.0 -55.1 306 32 431.3 431.3 309.0 431.3 0.01 24 70 18510 -54.1 -76.1 5 22.0 -54.9 310 29 468.6 468.7 312.5 468.7 0.02 25 51 20542 -52.5 -74.5 5 22.0 -53.8 324 23 516.8 516.8 316.1 517.0 0.03 26 50 20670 -52.7 -74.7 5 22.0 -53.9 325 23 519.3 519.3 316.2 519.5 0.03 27 42 21796 -54.7 -77.7 4 23.0 -55.9 334 21 540.9 540.9 317.6 541.0 0.02 28 30 23970 -51.9 -74.9 5 23.0 -53.9 350 17 603.2 603.2 320.7 603.5 0.05 29 20 26610 -48.9 -70.9 6 22.0 -52.5 360 11 686.5 686.6 324.0 687.6 0.13 30 17 27680 -48.7 -70.7 6 22.0 -52.8 7 11 719.8 719.9 325.1 721.3 0.16 31 10 31240 -40.3 -62.3 8 22.0 -49.4 30 9 869.1 869.6 329.0 878.6 0.88 32 9.4 31663 -38.7 -60.7 8 22.0 -48.7 890.7 891.3 329.5 903.5 1.15 TRP 243 10510 -56.3 -72.3 12 16.0 -56.5 295 48 325.0 325.0 290.3 325.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5480.00 m Freezing level: 752.80 mb = 2395.60 m = 7859.48 ft Wetbulb zero: 766.74 mb = 2244.46 m = 7363.62 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 50.08 % Est. max temperature: 19.07 C = 66.33 F Sfc-Lift cond lev (LCL): 979.57 mb = 256.96 m = 843.02 ft T: 3.26 C 700-500 lapse rate: 5.38 C/km ThetaE index: 9.13 C Layer 743.0- 641.0 mb Conv cond level (CCL): 951.77 mb = 489.78 m = 1606.88 ft Mean mixing ratio: 4.53 g/kg Conv temperature: 5.65 C = 42.18 F Cap Strength: 15.22 C Lifted Index: 16.07 C Risk: None Lifted Index @300 mb: 19.06 C Lifted Index @700 mb: 9.68 C Showalter Index: 3.59 C Risk: None Total Totals Index: 47.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 23.20 C K Index: 17.00 Risk: < 20 % chance of thunderstorms Sweat Index: 119.80 Risk: None Energy Index: 0.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.39 J/kg Max Up Vert Vel: 7.92 m/s Conv Inhibition (B-): 66287.99 J/kg Cap Strength: 16.02 C Lift Cond Lev (LCL): 934.14 mb = 640.88 m = 2102.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 18 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 1001 82 330 3 1.5 -2.6 | 206 15 6.6 13.2 1 1000 90 320 3 1.9 -2.3 | 207 15 7.0 13.5 2 925 720 340 7 2.4 -6.6 | 219 12 7.5 9.2 3 850 1410 345 13 3.4 -12.6 | 249 9 8.4 3.3 4 700 2970 355 23 2.0 -22.9 | 315 10 7.1 -7.1 5 500 5570 345 35 9.1 -33.8 | 322 23 14.1 -18.0 6 400 7190 320 38 24.4 -29.1 | 294 32 29.5 -13.3 7 300 9150 315 44 31.1 -31.1 | 293 39 36.2 -15.3 8 250 10330 295 48 43.5 -20.3 | 275 49 48.6 -4.5 9 243 10510 295 48 43.5 -20.3 | 275 49 48.6 -4.5 10 200 11750 295 44 39.9 -18.6 | 274 45 44.9 -2.8 11 150 13600 300 36 31.2 -18.0 | 273 36 36.2 -2.2 12 100 16220 305 33 27.0 -18.9 | 276 32 32.1 -3.1 13 70 18510 310 29 22.2 -18.6 | 276 27 27.3 -2.8 14 50 20670 325 23 13.2 -18.8 | 279 18 18.2 -3.0 15 30 23970 350 17 3.0 -16.7 | 277 8 8.0 -0.9 16 20 26610 360 11 -0.0 -11.0 | 226 7 5.1 4.8 17 10 31240 30 9 -4.5 -7.8 | 184 8 0.6 8.0 Wind Parameters Mean winds (0-6000m): 347.7 at 22.1 knts Storm direction: 17.7 at 16.6 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 109.8 deg Storm rel helicity (0-3000m) pos: 49.5 neg: 0.0 tot: 49.5 m^2/s^2 ave: 16.5 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.74 Bulk Shear: 42.16 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 ------------------------------------------------------------------------------- 500 330 5 212 14| 3.2 0.0 3.2| 9.3 0.0 9.3 18.7 0.72| 3.6 2.6 1000 338 6 217 12| 3.7 0.0 3.7| 18.7 0.0 18.7 18.7 0.74| 3.9 2.9 1500 341 8 224 11| 3.9 0.0 3.9| 28.0 0.0 28.0 18.7 0.81| 4.0 3.2 2000 344 10 232 10| 3.7 0.0 3.7| 35.3 0.0 35.3 17.7 0.85| 3.9 3.3 2500 346 12 241 9| 3.7 0.0 3.7| 42.9 0.0 42.9 17.1 0.87| 3.8 3.3 3000 349 14 252 8| 3.6 0.0 3.6| 49.5 0.0 49.5 16.5 0.87| 3.7 3.2 4000 350 17 273 8| 2.7 0.6 3.3| 53.1 0.0 53.1 13.3 0.75| 3.4 2.5 5000 350 19 291 9| 2.1 1.0 3.2| 54.3 -0.0 54.2 10.8 0.63| 3.2 2.1 6000 348 22 301 11| 1.8 1.3 3.1| 54.3 -26.8 27.4 4.6 0.41| 3.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250427.12.gif