UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 20 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 1008 26 -16.3 -19.4 77 3.1 -16.8 45 7 256.3 256.4 255.8 258.5 0.82 1 1000 86 -15.7 -19.7 71 4.0 -16.4 45 7 257.5 257.6 256.8 259.6 0.80 2 925 670 -18.5 -23.5 65 5.0 -19.2 10 17 260.4 260.5 258.8 262.1 0.62 3 906 825 -18.5 -23.5 65 5.0 -19.2 23 16 261.9 262.0 260.0 263.7 0.63 4 885 999 -20.9 -25.5 66 4.6 -21.5 39 15 261.2 261.3 259.3 262.7 0.54 5 876 1075 -20.9 -25.5 66 4.6 -21.5 45 14 262.0 262.1 259.9 263.5 0.55 6 860 1212 -16.9 -21.4 68 4.5 -17.7 57 14 267.5 267.7 264.5 269.8 0.80 7 850 1300 -16.9 -20.3 75 3.4 -17.5 65 13 268.4 268.6 265.3 271.0 0.89 8 805 1706 -19.3 -22.4 76 3.1 -19.8 58 16 270.1 270.2 266.3 272.4 0.79 9 790 1846 -15.9 -19.0 77 3.1 -16.5 56 18 275.2 275.4 270.1 278.3 1.08 10 781 1932 -17.7 -23.7 59 6.0 -18.7 54 18 274.2 274.3 268.8 276.3 0.72 11 722 2517 -19.7 -32.7 31 13.0 -21.3 44 23 278.2 278.3 270.7 279.2 0.34 12 700 2746 -20.5 -34.5 27 14.0 -22.1 40 25 279.8 279.8 271.5 280.7 0.29 13 633 3482 -24.7 -37.7 29 13.0 -26.0 40 25 283.2 283.2 273.4 283.9 0.24 14 602 3844 -28.9 -42.9 25 14.0 -29.9 40 25 282.4 282.4 272.8 282.9 0.14 15 555 4418 -33.5 -47.5 23 14.0 -34.3 40 25 283.6 283.6 273.4 283.9 0.09 16 517 4910 -37.7 -50.7 24 13.0 -38.2 40 25 284.3 284.4 273.8 284.6 0.07 17 500 5140 -38.5 -51.5 24 13.0 -39.0 40 25 286.1 286.1 274.8 286.3 0.07 18 441 5997 -42.9 -54.9 26 12.0 -43.3 34 30 291.0 291.0 277.2 291.2 0.05 19 400 6650 -46.9 -58.9 24 12.0 -47.1 30 33 294.0 294.0 278.7 294.2 0.03 20 388 6852 -48.1 -60.1 24 12.0 -48.3 30 32 295.0 295.0 279.1 295.1 0.03 21 350 7531 -50.3 -62.3 23 12.0 -50.5 30 27 300.9 300.9 281.7 301.0 0.03 22 325 8016 -51.1 -63.1 23 12.0 -51.3 32 24 306.2 306.2 283.9 306.3 0.02 23 300 8540 -49.5 -62.5 20 13.0 -49.8 35 21 315.6 315.6 287.3 315.7 0.03 24 280 8992 -46.9 -60.9 19 14.0 -47.3 35 18 325.6 325.6 290.5 325.8 0.04 25 250 9740 -46.3 -61.3 17 15.0 -46.8 35 13 337.2 337.2 293.7 337.4 0.04 26 209 10943 -42.7 -61.7 11 19.0 -43.6 31 11 360.6 360.6 298.8 360.8 0.05 27 200 11240 -43.5 -62.5 11 19.0 -44.3 30 11 363.9 363.9 299.5 364.1 0.04 28 179 11989 -43.9 -64.9 8 21.0 -44.9 34 11 375.0 375.0 301.5 375.1 0.03 29 150 13180 -43.9 -64.9 8 21.0 -45.0 40 11 394.4 394.4 304.5 394.6 0.04 30 130 14136 -45.3 -67.3 7 22.0 -46.4 45 9 408.4 408.4 306.3 408.6 0.03 31 100 15880 -46.3 -68.3 6 22.0 -47.6 55 5 438.3 438.3 309.7 438.5 0.04 32 89 16651 -46.9 -69.9 6 23.0 -48.3 53 6 451.9 451.9 311.1 452.1 0.03 33 70 18240 -46.7 -69.7 6 23.0 -48.4 50 9 484.5 484.5 313.8 484.8 0.05 34 57 19599 -48.5 -70.5 6 22.0 -50.2 29 11 509.7 509.7 315.7 510.0 0.05 35 50 20460 -49.5 -71.5 6 22.0 -51.2 15 13 526.8 526.8 316.8 527.1 0.05 36 39 22086 -48.9 -70.9 6 22.0 -51.1 25 18 567.1 567.2 319.0 567.6 0.07 37 30 23800 -50.5 -73.5 5 23.0 -52.8 35 23 607.0 607.0 320.9 607.4 0.06 38 23 25529 -51.7 -73.7 5 22.0 -54.3 35 33 651.4 651.4 322.7 652.0 0.08 39 20 26440 -49.5 -72.5 5 23.0 -52.9 35 38 684.7 684.7 324.0 685.6 0.11 40 16 27908 -48.7 -72.7 5 24.0 -53.0 40 37 732.4 732.4 325.4 733.6 0.13 41 14 28794 -44.9 -67.9 6 23.0 -50.9 43 37 773.8 773.9 326.7 776.6 0.29 42 10 31050 -44.3 -69.3 5 25.0 -51.9 50 36 854.2 854.4 328.5 857.8 0.34 43 9.0 31758 -43.3 -68.3 5 25.0 -51.8 884.2 884.4 329.2 888.9 0.43 TRP 350 7531 -50.3 -62.3 23 12.0 -50.5 30 27 300.9 300.9 281.7 301.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5054.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 44.12 % Est. max temperature: -4.82 C = 23.33 F Sfc-Lift cond lev (LCL): 958.18 mb = 405.99 m = 1331.96 ft T: -17.23 C 700-500 lapse rate: 7.52 C/km ThetaE index: 2.02 C Layer 781.0- 722.0 mb Conv cond level (CCL): 619.01 mb = 3642.97 m = 11951.85 ft Mean mixing ratio: 0.70 g/kg Conv temperature: 10.33 C = 50.59 F Cap Strength: 19.69 C Lifted Index: 20.60 C Risk: None Lifted Index @300 mb: 38.61 C Lifted Index @700 mb: 17.45 C Showalter Index: 12.57 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 18.20 C K Index: -12.70 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 3.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.61 J/kg Max Up Vert Vel: 4.61 m/s Conv Inhibition (B-): 90781.66 J/kg Cap Strength: 19.88 C Lift Cond Lev (LCL): 889.43 mb = 962.06 m = 3156.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 70 at 16 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 1008 26 45 7 -4.9 -4.9 | 266 10 10.2 0.6 1 1000 86 45 7 -4.9 -4.9 | 266 10 10.2 0.6 2 925 670 10 17 -3.0 -16.7 | 312 17 12.2 -11.1 3 850 1300 65 13 -11.8 -5.5 | 268 3 3.4 0.1 4 700 2746 40 25 -16.1 -19.2 | 4 14 -0.9 -13.6 5 500 5140 40 25 -16.1 -19.2 | 4 14 -0.9 -13.6 6 400 6650 30 33 -16.5 -28.6 | 3 23 -1.4 -23.0 7 350 7531 30 27 -13.5 -23.4 | 355 18 1.6 -17.8 8 300 8540 35 21 -12.0 -17.2 | 345 12 3.1 -11.6 9 250 9740 35 13 -7.5 -10.6 | 303 9 7.7 -5.1 10 200 11240 30 11 -5.5 -9.5 | 292 10 9.6 -3.9 11 150 13180 40 11 -7.1 -8.4 | 289 9 8.1 -2.8 12 100 15880 55 5 -4.1 -2.9 | 256 11 11.0 2.7 13 70 18240 50 9 -6.9 -5.8 | 271 8 8.2 -0.2 14 50 20460 15 13 -3.4 -12.6 | 301 14 11.8 -7.0 15 30 23800 35 23 -13.2 -18.8 | 352 13 1.9 -13.2 16 20 26440 35 38 -21.8 -31.1 | 15 26 -6.7 -25.5 17 10 31050 50 36 -27.6 -23.1 | 35 22 -12.4 -17.5 Wind Parameters Mean winds (0-6000m): 39.7 at 21.5 knts Storm direction: 69.7 at 16.1 knts Shear (0-3000m) pos: 1.8 neg: 3.6 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 97.6 deg Storm rel helicity (0-3000m) pos: 35.4 neg: -5.3 tot: 30.1 m^2/s^2 ave: 10.0 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.60 Bulk Shear: 17.72 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 29 10 289 11| 0.0 9.1 9.1| 21.2 0.0 21.2 42.5 0.84| 9.3 7.8 1000 23 13 303 12| 2.9 4.5 7.5| 29.7 -0.6 29.1 29.1 0.49| 10.1 4.9 1500 33 13 305 10| 3.7 3.0 6.7| 31.0 -4.8 26.2 17.5 0.29| 9.4 2.7 2000 40 14 312 8| 2.7 3.4 6.2| 34.0 -4.8 29.3 14.6 0.34| 8.3 2.9 2500 42 16 322 8| 2.2 3.8 6.0| 35.4 -4.8 30.6 12.2 0.31| 7.7 2.4 3000 41 17 331 8| 1.8 3.6 5.4| 35.4 -5.3 30.1 10.0 0.29| 6.8 2.0 4000 41 19 343 9| 1.4 2.7 4.1| 35.4 -5.3 30.1 7.5 0.29| 5.1 1.5 5000 40 20 349 10| 1.1 2.2 3.3| 35.4 -5.3 30.1 6.0 0.29| 4.1 1.2 6000 40 22 353 11| 0.9 2.3 3.2| 36.2 -5.6 30.6 5.1 0.26| 3.9 1.0 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20250420.12.gif