UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for U5428... Searching the city database file for: U5428 ... Date:0000Z 29 APR 25 Station: U5428 WMO ident: 25428 Latitude: 65.23 Longitude: 160.53 ------------------------------------------------------------------------------- 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 136 SFC 984 263 -5.1 -14.1 49 9.0 -7.4 60 3 269.3 269.5 266.6 272.9 1.30 2 956 489 -5.5 -16.5 42 11.0 -8.2 6 4 271.1 271.3 267.5 274.2 1.10 3 925 747 -7.5 -17.5 45 10.0 -9.8 305 5 271.6 271.8 267.8 274.6 1.04 4 850 1395 -12.9 -21.9 47 9.0 -14.6 325 3 272.6 272.8 268.0 274.9 0.78 5 848 1413 -13.1 -22.1 47 9.0 -14.8 327 3 272.6 272.7 267.9 274.8 0.77 6 782 2029 -13.7 -20.7 55 7.0 -15.2 27 6 278.4 278.5 271.8 281.1 0.94 7 700 2864 -18.1 -24.1 59 6.0 -19.2 110 11 282.4 282.6 273.9 284.8 0.78 8 545 4697 -29.1 -34.1 62 5.0 -29.6 117 17 290.3 290.4 277.4 291.6 0.39 9 525 4964 -30.7 -36.7 56 6.0 -31.3 119 18 291.5 291.6 277.9 292.5 0.31 10 500 5310 -31.9 -38.9 50 7.0 -32.5 120 19 294.1 294.2 279.1 295.0 0.26 11 469 5758 -33.9 -43.9 36 10.0 -34.6 119 21 297.1 297.1 280.3 297.7 0.17 12 457 5939 -35.5 -46.5 32 11.0 -36.1 118 21 297.3 297.3 280.3 297.8 0.13 13 400 6850 -41.7 -51.7 33 10.0 -42.1 115 25 300.8 300.8 281.8 301.1 0.08 14 300 8750 -54.7 -62.7 37 8.0 -54.8 95 27 308.2 308.2 284.7 308.4 0.03 15 288 9012 -55.9 -63.9 36 8.0 -56.0 100 25 310.2 310.2 285.4 310.2 0.02 16 250 9930 -50.1 -60.1 30 10.0 -50.4 105 13 331.6 331.6 292.2 331.8 0.05 17 225 10622 -46.9 -58.9 24 12.0 -47.4 105 11 346.6 346.6 296.0 346.9 0.06 18 200 11400 -47.3 -64.3 13 17.0 -47.9 105 9 357.9 357.9 298.3 358.0 0.03 19 150 13300 -47.7 -69.7 6 22.0 -48.5 160 5 387.9 387.9 303.5 388.0 0.02 20 100 15960 -49.9 -73.9 4 24.0 -50.8 130 3 431.3 431.3 309.0 431.4 0.02 21 70 18290 -50.1 -74.1 4 24.0 -51.3 140 7 477.2 477.2 313.2 477.3 0.02 22 58 19521 -50.1 -74.1 4 24.0 -51.5 137 6 503.6 503.6 315.2 503.8 0.03 23 55 19871 -47.9 -71.9 5 24.0 -49.7 136 6 516.3 516.3 316.1 516.6 0.04 24 50 20500 -48.3 -72.3 5 24.0 -50.3 135 5 529.6 529.7 316.9 529.9 0.04 25 40 21961 -51.1 -74.1 5 23.0 -52.9 148 5 557.5 557.5 318.5 557.8 0.04 26 30 23840 -49.3 -73.3 4 24.0 -52.0 165 5 610.2 610.3 321.1 610.7 0.06 27 22 25880 -47.3 -71.3 5 24.0 -51.2 157 8 672.8 672.8 323.6 673.8 0.12 28 20 26510 -47.5 -71.5 5 24.0 -51.6 155 9 690.8 690.8 324.1 691.8 0.12 29 14 28857 -49.5 -73.5 4 24.0 -53.9 758.2 758.2 326.2 759.4 0.13 30 10 31083 -45.1 -69.1 5 24.0 -52.3 851.2 851.4 328.5 854.9 0.35 TRP 288 9012 -55.9 -63.9 36 8.0 -56.0 100 25 310.2 310.2 285.4 310.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 54.88 % Est. max temperature: -0.63 C = 30.86 F Sfc-Lift cond lev (LCL): 852.86 mb = 1369.27 m = 4492.29 ft T: -12.69 C 700-500 lapse rate: 5.64 C/km ThetaE index: 0.06 C Layer 848.0- 782.0 mb Conv cond level (CCL): 648.84 mb = 3419.82 m = 11219.74 ft Mean mixing ratio: 1.06 g/kg Conv temperature: 10.41 C = 50.73 F Cap Strength: 14.63 C Lifted Index: 16.54 C Risk: None Lifted Index @300 mb: 24.03 C Lifted Index @700 mb: 8.95 C Showalter Index: 16.07 C Risk: None Total Totals Index: 29.00 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 10.00 C K Index: -8.90 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 4.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.95 J/kg Max Up Vert Vel: 4.23 m/s Conv Inhibition (B-): 71761.49 J/kg Cap Strength: 16.14 C Lift Cond Lev (LCL): 795.00 mb = 1903.97 m = 6246.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 144 at 9 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 ---------------------------------------------------------- 0 984 263 60 3 -2.6 -1.5 | 343 9 2.7 -8.8 1 925 747 305 5 4.1 -2.9 | 317 14 9.4 -10.2 2 850 1395 325 3 1.7 -2.5 | 324 12 7.1 -9.8 3 700 2864 110 11 -10.3 3.8 | 55 6 -5.0 -3.5 4 500 5310 120 19 -16.5 9.5 | 101 11 -11.1 2.2 5 400 6850 115 25 -22.7 10.6 | 101 18 -17.3 3.3 6 300 8750 95 27 -26.9 2.4 | 77 22 -21.6 -4.9 7 288 9012 100 25 -24.6 4.3 | 81 20 -19.3 -3.0 8 250 9930 105 13 -12.6 3.4 | 61 8 -7.2 -3.9 9 200 11400 105 9 -8.7 2.3 | 34 6 -3.4 -5.0 10 150 13300 160 5 -1.7 4.7 | 306 4 3.6 -2.6 11 100 15960 130 3 -2.3 1.9 | 331 6 3.0 -5.4 12 70 18290 140 7 -4.5 5.4 | 337 2 0.8 -1.9 13 50 20500 135 5 -3.5 3.5 | 334 4 1.8 -3.8 14 30 23840 165 5 -1.3 4.8 | 301 5 4.0 -2.5 15 20 26510 155 9 -3.8 8.2 | 241 2 1.5 0.9 Wind Parameters Mean winds (0-6000m): 113.8 at 12.0 knts Storm direction: 143.8 at 9.0 knts Shear (0-3000m) pos: 2.9 neg: 1.2 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 82.9 deg Storm rel helicity (0-3000m) pos: 58.0 neg: -19.2 tot: 38.8 m^2/s^2 ave: 12.9 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.29 Bulk Shear: 30.42 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 ------------------------------------------------------------------------------- 500 339 4 328 13| 0.0 7.0 7.0| 0.0 -19.2 -19.2 -38.4 -0.69| 8.4 -5.8 1000 321 4 323 13| 1.0 3.5 4.5| 4.6 -19.2 -14.6 -14.6 -0.43| 5.2 -2.2 1500 328 4 325 13| 1.6 2.3 3.9| 15.2 -19.2 -4.0 -2.7 -0.09| 4.7 -0.4 2000 356 5 334 13| 2.6 1.7 4.4| 35.6 -19.2 16.4 8.2 0.24| 5.1 1.2 2500 49 6 354 11| 3.1 1.4 4.5| 53.4 -19.2 34.1 13.7 0.41| 5.8 2.3 3000 88 6 8 8| 2.9 1.2 4.1| 58.0 -19.2 38.8 12.9 0.45| 5.4 2.4 4000 105 8 28 6| 2.6 0.9 3.5| 63.6 -19.2 44.4 11.1 0.49| 4.5 2.2 5000 111 10 50 6| 2.4 0.7 3.1| 70.0 -19.2 50.8 10.2 0.50| 3.9 2.0 6000 114 12 67 6| 2.0 0.2 2.3| 70.5 -19.4 51.1 8.5 0.46| 3.6 1.7 Wrote GIF file: /home/apache/climate/data/raob//U5428/skewt/U5428.skewt.20250429.00.gif