UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U5403... Searching the city database file for: U5403 ... Date:1200Z 18 APR 25 Station: U5403 WMO ident: 25403 ------------------------------------------------------------------------------- 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 1006 38 -7.1 -10.0 80 2.9 -7.9 0 0 265.6 265.9 264.9 270.4 1.77 1 1000 85 -6.1 -9.7 76 3.6 -7.1 360 1 267.0 267.3 266.0 272.0 1.83 2 975 285 -3.3 -9.3 63 6.0 -5.1 354 4 271.8 272.1 269.4 277.2 1.93 3 925 699 -7.1 -14.1 57 7.0 -8.9 340 11 272.0 272.3 268.6 276.0 1.39 4 858 1273 -11.9 -16.4 69 4.5 -12.9 353 13 272.9 273.2 269.0 276.5 1.24 5 850 1344 -12.1 -16.4 70 4.3 -13.1 355 13 273.5 273.7 269.3 277.0 1.25 6 848 1362 -12.1 -16.3 71 4.2 -13.0 355 13 273.7 273.9 269.4 277.2 1.26 7 700 2818 -19.9 -32.9 30 13.0 -21.5 5 23 280.4 280.5 272.1 281.5 0.34 8 681 3022 -21.1 -36.1 25 15.0 -22.8 3 22 281.3 281.4 272.4 282.1 0.26 9 606 3873 -27.1 -36.1 42 9.0 -28.0 352 18 283.9 284.0 273.9 284.9 0.29 10 551 4551 -32.7 -39.7 50 7.0 -33.2 344 14 285.1 285.2 274.5 285.9 0.22 11 530 4824 -34.5 -40.5 54 6.0 -34.9 340 13 286.2 286.2 275.0 286.9 0.21 12 500 5230 -35.7 -41.7 54 6.0 -36.1 335 11 289.5 289.5 276.7 290.2 0.20 13 479 5527 -39.1 -44.1 59 5.0 -39.4 351 11 288.9 288.9 276.3 289.4 0.16 14 440 6104 -44.1 -48.7 60 4.6 -44.3 24 10 289.7 289.7 276.7 290.0 0.10 15 400 6740 -47.1 -51.5 61 4.4 -47.2 60 9 293.8 293.8 278.6 294.1 0.08 16 371 7235 -51.1 -55.1 62 4.0 -51.2 30 11 294.9 294.9 279.1 295.1 0.06 17 346 7689 -51.5 -55.7 61 4.2 -51.6 357 16 300.3 300.3 281.5 300.5 0.06 18 300 8620 -49.5 -54.5 56 5.0 -49.7 290 27 315.6 315.6 287.4 315.9 0.08 19 250 9820 -47.9 -54.9 44 7.0 -48.2 305 21 334.9 334.9 293.1 335.2 0.09 20 200 11300 -46.3 -58.3 24 12.0 -46.9 280 19 359.5 359.5 298.7 359.8 0.07 21 164 12618 -45.5 -61.5 15 16.0 -46.3 263 18 381.8 381.8 302.6 382.1 0.06 22 150 13210 -46.7 -63.7 13 17.0 -47.5 255 17 389.6 389.6 303.8 389.8 0.05 23 100 15880 -49.5 -69.5 8 20.0 -50.4 255 15 432.1 432.1 309.1 432.3 0.03 24 70 18200 -52.5 -74.5 5 22.0 -53.4 275 15 472.1 472.1 312.8 472.2 0.02 25 56 19638 -54.9 -76.9 5 22.0 -55.8 278 8 497.7 497.7 314.8 497.8 0.02 26 51 20241 -51.7 -73.7 5 22.0 -53.1 280 6 518.7 518.7 316.2 518.9 0.03 27 50 20370 -52.3 -74.3 5 22.0 -53.6 280 5 520.2 520.2 316.3 520.4 0.03 28 37 22300 -54.9 -76.9 5 22.0 -56.2 309 10 560.3 560.3 318.6 560.5 0.03 29 30 23640 -53.9 -76.9 4 23.0 -55.6 330 13 597.7 597.7 320.5 598.0 0.04 30 21 25935 -53.1 -76.1 4 23.0 -55.5 664.3 664.3 323.2 664.8 0.06 TRP 371 7235 -51.1 -55.1 62 4.0 -51.2 30 11 294.9 294.9 279.1 295.1 0.06 WND Sounding variables and indices 1000-500 mb thick: 5145.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 49.92 % Est. max temperature: 0.40 C = 32.71 F Sfc-Lift cond lev (LCL): 960.56 mb = 402.08 m = 1319.13 ft T: -4.38 C 700-500 lapse rate: 6.55 C/km ThetaE index: 1.21 C Layer 925.0- 858.0 mb Conv cond level (CCL): 822.85 mb = 1590.67 m = 5218.68 ft Mean mixing ratio: 1.66 g/kg Conv temperature: 2.05 C = 35.69 F Cap Strength: 9.13 C Lifted Index: 11.62 C Risk: None Lifted Index @300 mb: 28.29 C Lifted Index @700 mb: 6.04 C Showalter Index: 10.57 C Risk: None Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 23.60 C Cross Totals Index: 19.30 C K Index: -5.80 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 2.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.99 J/kg Max Up Vert Vel: 6.32 m/s Conv Inhibition (B-): 51132.94 J/kg Cap Strength: 11.58 C Lift Cond Lev (LCL): 870.41 mb = 1163.51 m = 3817.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 26 at 11 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 1006 38 0 0 -0.0 -0.0 | 206 11 4.8 9.9 1 1000 85 360 1 -0.0 -1.0 | 209 10 4.8 8.9 2 925 699 340 11 3.8 -10.3 | 273 9 8.6 -0.5 3 850 1344 355 13 1.1 -13.0 | 297 7 6.0 -3.1 4 700 2818 5 23 -2.0 -22.9 | 348 13 2.8 -13.1 5 500 5230 335 11 4.6 -10.0 | 271 9 9.5 -0.1 6 400 6740 60 9 -7.8 -4.5 | 151 6 -3.0 5.4 7 371 7235 30 11 -5.5 -9.5 | 116 1 -0.7 0.3 8 300 8620 290 27 25.4 -9.2 | 269 30 30.2 0.6 9 250 9820 305 21 17.2 -12.0 | 276 22 22.0 -2.2 10 200 11300 280 19 18.7 -3.3 | 254 24 23.5 6.6 11 150 13210 255 17 16.4 4.4 | 236 26 21.3 14.3 12 100 15880 255 15 14.5 3.9 | 235 24 19.3 13.7 13 70 18200 275 15 14.9 -1.3 | 247 22 19.8 8.5 14 50 20370 280 5 4.9 -0.9 | 227 13 9.8 9.0 15 30 23640 330 13 6.5 -11.3 | 277 11 11.3 -1.4 Wind Parameters Mean winds (0-6000m): 356.1 at 14.6 knts Storm direction: 26.1 at 11.0 knts Shear (0-3000m) pos: 2.3 neg: 1.6 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 135.6 deg Storm rel helicity (0-3000m) pos: 44.9 neg: -4.3 tot: 40.6 m^2/s^2 ave: 13.5 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.39 Bulk Shear: 14.35 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 ------------------------------------------------------------------------------- 500 347 4 226 8| 0.0 8.6 8.6| 14.2 0.0 14.2 28.4 0.80| 8.8 7.0 1000 343 8 250 8| 1.9 4.3 6.2| 22.4 0.0 22.4 22.4 0.83| 6.7 5.5 1500 348 9 265 7| 2.2 2.9 5.0| 27.7 0.0 27.7 18.5 0.84| 5.6 4.7 2000 352 11 279 7| 2.5 2.2 4.7| 34.0 0.0 34.0 17.0 0.84| 5.1 4.2 2500 355 13 296 7| 2.8 1.7 4.5| 41.0 0.0 41.0 16.4 0.82| 4.8 3.9 3000 358 14 309 7| 2.3 1.6 3.9| 44.9 -4.3 40.6 13.5 0.71| 4.6 3.2 4000 358 16 316 8| 1.7 0.9 2.7| 44.9 -22.7 22.2 5.6 0.39| 4.3 1.7 5000 356 15 314 8| 1.4 0.8 2.2| 44.9 -37.8 7.1 1.4 0.18| 4.0 0.7 6000 356 15 309 8| 1.4 0.7 2.1| 46.5 -41.1 5.4 0.9 0.12| 4.1 0.5 Wrote GIF file: /home/apache/climate/data/raob//U5403/skewt/U5403.skewt.20250418.12.gif