UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U5403... Searching the city database file for: U5403 ... Date:0000Z 28 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 1012 41 -10.1 -16.1 61 6.0 -11.4 350 5 262.2 262.3 261.0 265.1 1.07 1 1000 133 -12.1 -18.1 61 6.0 -13.3 350 5 261.0 261.2 259.9 263.6 0.92 2 976 319 -14.5 -20.5 60 6.0 -15.5 353 6 260.5 260.6 259.1 262.6 0.77 3 925 725 -17.1 -22.1 65 5.0 -17.9 360 9 261.8 261.9 260.0 263.8 0.70 4 901 923 -13.1 -18.1 66 5.0 -14.1 3 8 267.9 268.1 265.2 270.8 1.02 5 850 1365 -13.7 -21.7 51 8.0 -15.2 10 7 271.8 271.9 267.4 274.1 0.79 6 817 1665 -14.3 -25.3 39 11.0 -16.2 20 8 274.3 274.4 268.7 276.0 0.60 7 771 2102 -16.9 -31.9 26 15.0 -18.9 35 9 276.0 276.1 269.4 277.1 0.34 8 700 2820 -21.1 -33.1 33 12.0 -22.5 60 11 279.1 279.2 271.2 280.2 0.34 9 673 3109 -22.9 -34.9 33 12.0 -24.2 55 11 280.3 280.3 271.8 281.2 0.29 10 587 4103 -26.1 -41.1 23 15.0 -27.4 39 12 287.7 287.7 275.8 288.3 0.18 11 500 5240 -35.5 -48.5 25 13.0 -36.2 20 13 289.8 289.8 276.7 290.1 0.09 12 413 6546 -45.1 -56.1 28 11.0 -45.4 359 16 293.7 293.7 278.6 293.8 0.05 13 400 6760 -45.7 -56.7 28 11.0 -46.0 355 17 295.6 295.6 279.4 295.8 0.04 14 361 7442 -48.1 -59.1 27 11.0 -48.3 340 21 301.2 301.2 281.9 301.3 0.04 15 300 8660 -49.9 -61.9 23 12.0 -50.1 5 11 315.0 315.0 287.1 315.1 0.03 16 299 8682 -50.1 -62.1 23 12.0 -50.4 5 11 315.0 315.0 287.1 315.2 0.03 17 264 9507 -46.3 -60.3 19 14.0 -46.7 23 7 332.0 332.0 292.3 332.2 0.04 18 250 9870 -46.9 -61.9 16 15.0 -47.4 30 5 336.3 336.3 293.4 336.5 0.04 19 200 11340 -47.1 -64.1 13 17.0 -47.7 70 5 358.2 358.2 298.4 358.3 0.03 20 150 13250 -47.7 -66.7 9 19.0 -48.4 85 9 387.9 387.9 303.5 388.0 0.03 21 100 15920 -48.9 -69.9 7 21.0 -49.9 75 3 433.2 433.3 309.2 433.4 0.03 22 70 18250 -48.3 -70.3 6 22.0 -49.7 130 5 481.1 481.1 313.5 481.3 0.04 23 50 20460 -49.1 -71.1 6 22.0 -50.8 85 7 527.8 527.8 316.8 528.1 0.05 24 43 21452 -48.3 -71.3 5 23.0 -50.5 553.0 553.0 318.3 553.4 0.06 25 35 22797 -51.7 -73.7 5 22.0 -53.5 577.7 577.7 319.6 578.0 0.05 26 30 23803 -49.1 -72.1 5 23.0 -51.8 610.8 610.8 321.1 611.4 0.08 TRP 361 7442 -48.1 -59.1 27 11.0 -48.3 340 21 301.2 301.2 281.9 301.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5107.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 37.13 % Est. max temperature: -1.37 C = 29.54 F Sfc-Lift cond lev (LCL): 918.89 mb = 774.94 m = 2542.43 ft T: -16.09 C 700-500 lapse rate: 5.95 C/km ThetaE index: 2.52 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 601.45 mb = 3926.18 m = 12881.00 ft Mean mixing ratio: 0.80 g/kg Conv temperature: 14.20 C = 57.56 F Cap Strength: 20.93 C Lifted Index: 21.55 C Risk: None Lifted Index @300 mb: 36.45 C Lifted Index @700 mb: 14.68 C Showalter Index: 13.11 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 13.80 C K Index: -11.90 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 3.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.96 J/kg Max Up Vert Vel: 4.23 m/s Conv Inhibition (B-): 52446.79 J/kg Cap Strength: 21.48 C Lift Cond Lev (LCL): 877.93 mb = 1119.75 m = 3673.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 58 at 8 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 1012 41 350 5 0.9 -4.9 | 276 8 7.6 -0.8 1 1000 133 350 5 0.9 -4.9 | 276 8 7.6 -0.8 2 925 725 360 9 -0.0 -9.0 | 306 8 6.7 -4.8 3 850 1365 10 7 -1.2 -6.9 | 296 6 5.5 -2.7 4 700 2820 60 11 -9.5 -5.5 | 64 3 -2.8 -1.3 5 500 5240 20 13 -4.4 -12.2 | 344 8 2.3 -8.0 6 400 6760 355 17 1.5 -16.9 | 327 15 8.2 -12.8 7 361 7442 340 21 7.2 -19.7 | 318 21 13.9 -15.6 8 300 8660 5 11 -1.0 -11.0 | 320 9 5.8 -6.8 9 250 9870 30 5 -2.5 -4.3 | 272 4 4.2 -0.2 10 200 11340 70 5 -4.7 -1.7 | 220 3 2.0 2.5 11 150 13250 85 9 -9.0 -0.8 | 147 4 -2.2 3.4 12 100 15920 75 3 -2.9 -0.8 | 229 5 3.8 3.4 13 70 18250 130 5 -3.8 3.2 | 202 8 2.9 7.4 14 50 20460 85 7 -7.0 -0.6 | 176 4 -0.2 3.6 Wind Parameters Mean winds (0-6000m): 28.3 at 10.6 knts Storm direction: 58.3 at 7.9 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 136.0 deg Storm rel helicity (0-3000m) pos: 15.8 neg: -2.5 tot: 13.2 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.58 Bulk Shear: 5.66 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 ------------------------------------------------------------------------------- 500 354 6 284 8| 2.9 0.0 2.9| 5.9 0.0 5.9 11.7 0.99| 2.9 2.9 1000 358 7 294 8| 1.8 0.0 1.8| 8.6 -0.9 7.7 7.7 0.69| 2.7 1.9 1500 2 7 296 7| 1.3 0.0 1.3| 9.6 -2.0 7.6 5.0 0.50| 2.5 1.3 2000 8 8 300 7| 1.6 0.0 1.6| 12.2 -2.0 10.2 5.1 0.57| 2.6 1.5 2500 17 8 308 6| 1.8 0.0 1.8| 14.5 -2.0 12.5 5.0 0.65| 2.7 1.8 3000 26 8 318 5| 1.8 0.0 1.8| 15.8 -2.5 13.2 4.4 0.62| 2.7 1.7 4000 33 9 334 4| 1.3 0.4 1.8| 15.8 -5.6 10.2 2.5 0.36| 2.5 0.9 5000 33 10 341 4| 1.1 0.7 1.8| 15.8 -9.9 5.9 1.2 0.19| 2.4 0.5 6000 28 11 341 5| 0.9 1.0 1.9| 15.8 -15.2 0.6 0.1 0.09| 2.4 0.2 Wrote GIF file: /home/apache/climate/data/raob//U5403/skewt/U5403.skewt.20250428.00.gif