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 U0046... Searching the city database file for: U0046 ... Date:1200Z 18 APR 25 Station: U0046 WMO ident: 20046 Latitude: 80.62 Longitude: 58.05 ------------------------------------------------------------------------------- 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 1010 29 -17.3 -20.8 74 3.5 -17.9 20 7 255.1 255.2 254.7 257.1 0.72 1 1000 104 -17.3 -21.8 68 4.5 -18.0 30 7 255.9 256.0 255.2 257.7 0.67 2 942 548 -19.9 -25.9 59 6.0 -20.7 348 9 257.6 257.7 256.3 259.0 0.49 3 925 682 -21.1 -27.1 58 6.0 -21.8 335 9 257.7 257.8 256.3 259.0 0.45 4 895 925 -24.7 -29.1 67 4.4 -25.1 354 11 256.5 256.5 255.1 257.5 0.38 5 850 1309 -14.5 -17.4 79 2.9 -15.1 25 13 271.0 271.1 267.5 274.2 1.15 6 841 1390 -12.7 -15.1 82 2.4 -13.3 24 13 273.7 273.9 269.7 277.7 1.40 7 804 1732 -12.5 -19.5 56 7.0 -14.0 21 13 277.4 277.6 271.4 280.4 1.01 8 715 2618 -16.7 -28.7 35 12.0 -18.6 12 13 282.3 282.4 273.3 283.8 0.50 9 700 2776 -18.1 -33.1 26 15.0 -20.1 10 13 282.4 282.5 273.2 283.5 0.34 10 652 3302 -21.1 -37.1 22 16.0 -22.9 11 13 284.8 284.9 274.3 285.6 0.24 11 630 3553 -24.1 -41.1 19 17.0 -25.6 12 13 284.2 284.3 273.9 284.8 0.17 12 554 4478 -29.1 -42.1 27 13.0 -30.1 13 13 289.0 289.0 276.4 289.5 0.17 13 500 5200 -35.1 -48.1 25 13.0 -35.8 15 13 290.2 290.3 276.9 290.6 0.10 14 412 6523 -44.7 -56.7 25 12.0 -45.0 19 18 294.4 294.4 278.9 294.6 0.04 15 400 6720 -45.7 -57.7 25 12.0 -46.0 20 19 295.6 295.6 279.4 295.7 0.04 16 386 6957 -47.3 -59.3 24 12.0 -47.6 14 19 296.5 296.5 279.8 296.6 0.03 17 361 7401 -47.3 -60.3 21 13.0 -47.6 2 18 302.3 302.3 282.3 302.4 0.03 18 317 8252 -52.9 -65.9 19 13.0 -53.1 340 17 305.9 305.9 283.8 306.0 0.02 19 300 8610 -50.9 -64.9 17 14.0 -51.1 335 15 313.6 313.6 286.6 313.7 0.02 20 269 9319 -48.5 -63.5 16 15.0 -48.8 332 14 327.0 327.0 290.9 327.2 0.03 21 250 9800 -46.7 -62.7 15 16.0 -47.2 330 13 336.6 336.6 293.5 336.8 0.03 22 207 11060 -44.7 -63.7 10 19.0 -45.4 338 13 358.4 358.5 298.4 358.6 0.04 23 200 11290 -45.1 -64.1 10 19.0 -45.9 340 13 361.4 361.4 299.0 361.5 0.03 24 172 12298 -45.9 -65.9 9 20.0 -46.7 337 14 376.0 376.0 301.6 376.1 0.03 25 150 13210 -45.9 -66.9 8 21.0 -46.8 335 15 391.0 391.0 303.9 391.1 0.03 26 132 14059 -46.3 -67.3 7 21.0 -47.3 340 16 404.8 404.8 305.9 405.0 0.03 27 100 15900 -46.5 -68.5 6 22.0 -47.7 350 19 437.9 437.9 309.7 438.1 0.04 28 98 16034 -46.3 -68.3 6 22.0 -47.6 350 19 440.8 440.8 310.0 441.0 0.04 29 84 17052 -48.5 -69.5 7 21.0 -49.7 352 20 456.2 456.2 311.4 456.4 0.04 30 70 18250 -48.7 -70.7 6 22.0 -50.1 355 21 480.2 480.2 313.5 480.4 0.04 31 60 19263 -48.5 -70.5 6 22.0 -50.1 2 22 502.3 502.3 315.1 502.6 0.05 32 50 20460 -48.9 -70.9 6 22.0 -50.7 10 23 528.2 528.3 316.8 528.6 0.05 33 39 22087 -49.5 -71.5 6 22.0 -51.6 8 29 565.6 565.6 318.9 566.1 0.06 34 30 23800 -50.5 -72.5 6 22.0 -52.8 5 35 607.0 607.0 320.9 607.5 0.07 35 24 25260 -49.9 -72.9 5 23.0 -52.8 16 40 648.7 648.7 322.7 649.4 0.08 36 20 26460 -47.9 -69.9 6 22.0 -51.8 25 44 689.6 689.6 324.1 690.9 0.16 37 14 28818 -46.5 -70.5 5 24.0 -52.0 28 40 768.4 768.5 326.5 770.3 0.20 38 11 30417 -46.7 -70.7 5 24.0 -52.9 29 37 822.5 822.6 327.8 825.1 0.25 39 10 31050 -45.7 -69.7 5 24.0 -52.7 30 36 849.0 849.1 328.4 852.3 0.32 40 9.1 31680 -44.5 -69.5 5 25.0 -52.4 876.8 877.0 329.0 880.7 0.36 41 8.4 32215 -45.5 -69.5 5 24.0 -53.2 893.1 893.4 329.4 897.5 0.39 TRP 317 8252 -52.9 -65.9 19 13.0 -53.1 340 17 305.9 305.9 283.8 306.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5096.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 41.82 % Est. max temperature: -4.75 C = 23.45 F Sfc-Lift cond lev (LCL): 953.69 mb = 456.12 m = 1496.44 ft T: -19.36 C 700-500 lapse rate: 7.01 C/km ThetaE index: 1.45 C Layer 895.0- 850.0 mb Conv cond level (CCL): 538.81 mb = 4673.72 m = 15333.55 ft Mean mixing ratio: 0.55 g/kg Conv temperature: 17.00 C = 62.60 F Cap Strength: 25.90 C Lifted Index: 26.17 C Risk: None Lifted Index @300 mb: 39.14 C Lifted Index @700 mb: 22.13 C Showalter Index: 13.40 C Risk: None Total Totals Index: 38.30 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 17.70 C K Index: -11.80 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 3.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.73 J/kg Max Up Vert Vel: 3.67 m/s Conv Inhibition (B-): 88764.96 J/kg Cap Strength: 26.19 C Lift Cond Lev (LCL): 880.64 mb = 1045.13 m = 3428.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 43 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 1010 29 20 7 -2.4 -6.6 | 266 4 4.0 0.3 1 1000 104 30 7 -3.5 -6.1 | 255 3 2.9 0.8 2 925 682 335 9 3.8 -8.2 | 277 10 10.2 -1.3 3 850 1309 25 13 -5.5 -11.8 | 350 5 0.9 -5.0 4 700 2776 10 13 -2.3 -12.8 | 325 7 4.1 -6.0 5 500 5200 15 13 -3.4 -12.6 | 332 6 3.0 -5.7 6 400 6720 20 19 -6.5 -17.9 | 1 11 -0.1 -11.0 7 317 8252 340 17 5.8 -16.0 | 307 15 12.2 -9.1 8 300 8610 335 15 6.3 -13.6 | 298 14 12.7 -6.8 9 250 9800 330 13 6.5 -11.3 | 289 14 12.9 -4.4 10 200 11290 340 13 4.4 -12.2 | 296 12 10.8 -5.4 11 150 13210 335 15 6.3 -13.6 | 298 14 12.7 -6.8 12 100 15900 350 19 3.3 -18.7 | 321 15 9.7 -11.9 13 70 18250 355 21 1.8 -20.9 | 330 16 8.2 -14.1 14 50 20460 10 23 -4.0 -22.7 | 351 16 2.4 -15.8 15 30 23800 5 35 -3.1 -34.9 | 353 28 3.3 -28.0 16 20 26460 25 44 -18.6 -39.9 | 20 35 -12.2 -33.0 17 10 31050 30 36 -18.0 -31.2 | 25 27 -11.6 -24.3 Wind Parameters Mean winds (0-6000m): 13.1 at 12.5 knts Storm direction: 43.1 at 9.4 knts Shear (0-3000m) pos: 1.3 neg: 1.2 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 59.6 deg Storm rel helicity (0-3000m) pos: 18.5 neg: -5.2 tot: 13.3 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.14 Bulk Shear: 3.14 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 10 8 278 5| 0.0 4.4 4.4| 1.7 -0.5 1.2 2.4 0.17| 6.5 1.1 1000 357 9 285 7| 1.8 2.2 4.0| 11.4 -1.2 10.2 10.2 0.38| 6.7 2.6 1500 7 10 300 6| 2.6 1.5 4.1| 18.4 -1.7 16.7 11.1 0.49| 6.3 3.1 2000 11 11 310 6| 1.9 1.4 3.3| 18.4 -3.0 15.4 7.7 0.42| 5.0 2.1 2500 12 11 315 6| 1.5 1.4 2.9| 18.4 -4.5 13.9 5.6 0.35| 4.3 1.5 3000 12 11 318 6| 1.3 1.2 2.5| 18.5 -5.2 13.3 4.4 0.33| 3.7 1.2 4000 12 12 320 6| 1.0 0.9 1.9| 19.2 -5.2 13.9 3.5 0.34| 2.8 0.9 5000 12 12 323 6| 0.8 0.7 1.6| 19.8 -5.2 14.5 2.9 0.34| 2.3 0.8 6000 13 12 326 6| 1.0 0.6 1.6| 24.7 -5.2 19.5 3.2 0.39| 2.2 0.9 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20250418.12.gif