UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for U0046... Searching the city database file for: U0046 ... Date:0000Z 16 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 1009 30 -17.7 -20.2 81 2.5 -18.1 45 13 254.8 254.9 254.5 256.8 0.76 1 1000 97 -17.9 -21.8 71 3.9 -18.5 40 13 255.2 255.4 254.7 257.1 0.67 2 968 341 -17.9 -21.4 74 3.5 -18.4 38 14 257.6 257.7 256.8 259.6 0.71 3 936 596 -14.1 -16.5 82 2.4 -14.6 36 15 264.0 264.2 262.5 267.1 1.12 4 925 686 -11.7 -13.7 85 2.0 -12.2 35 15 267.3 267.6 265.6 271.3 1.43 5 911 803 -11.7 -13.7 85 2.0 -12.2 34 14 268.5 268.8 266.4 272.5 1.45 6 900 896 -8.9 -10.6 87 1.7 -9.4 33 13 272.3 272.6 269.7 277.6 1.89 7 850 1336 -11.1 -15.8 68 4.7 -12.2 30 9 274.5 274.7 270.1 278.3 1.31 8 761 2179 -17.5 -22.2 67 4.7 -18.3 50 11 276.4 276.6 270.5 278.9 0.85 9 746 2328 -17.5 -22.2 67 4.7 -18.4 54 12 278.0 278.1 271.5 280.6 0.86 10 700 2805 -19.5 -30.5 37 11.0 -21.0 65 13 280.9 281.0 272.5 282.2 0.43 11 686 2954 -19.7 -30.7 37 11.0 -21.2 66 13 282.3 282.4 273.2 283.6 0.43 12 651 3338 -23.3 -36.3 29 13.0 -24.6 68 14 282.5 282.5 273.1 283.3 0.26 13 640 3462 -24.7 -37.7 29 13.0 -25.9 69 14 282.3 282.3 272.9 283.0 0.23 14 572 4267 -29.1 -41.1 30 12.0 -30.0 74 15 286.3 286.4 275.0 286.9 0.18 15 500 5210 -36.5 -45.5 39 9.0 -37.0 80 17 288.5 288.6 276.1 289.0 0.13 16 444 6022 -43.1 -51.1 41 8.0 -43.4 67 13 290.2 290.2 276.9 290.5 0.08 17 400 6720 -46.5 -54.5 40 8.0 -46.7 55 9 294.6 294.6 279.0 294.8 0.06 18 384 6991 -48.5 -56.5 39 8.0 -48.7 50 10 295.4 295.4 279.3 295.6 0.05 19 320 8176 -55.5 -63.5 36 8.0 -55.6 30 15 301.5 301.5 282.0 301.6 0.02 20 300 8590 -53.9 -62.9 32 9.0 -54.1 25 19 309.4 309.4 285.1 309.5 0.03 21 274 9173 -53.7 -62.7 32 9.0 -53.9 30 23 317.8 317.8 288.1 317.9 0.03 22 250 9770 -48.1 -58.1 31 10.0 -48.4 35 27 334.6 334.6 293.0 334.8 0.06 23 200 11240 -46.5 -59.5 21 13.0 -47.0 30 23 359.1 359.2 298.6 359.4 0.06 24 172 12245 -44.5 -59.5 17 15.0 -45.3 22 21 378.3 378.3 302.0 378.6 0.07 25 150 13160 -45.1 -62.1 13 17.0 -46.0 15 19 392.3 392.4 304.2 392.6 0.06 26 117 14810 -45.9 -63.9 11 18.0 -47.0 15 19 419.8 419.8 307.7 420.1 0.06 27 100 15850 -46.9 -65.9 10 19.0 -48.1 15 19 437.1 437.1 309.6 437.4 0.05 28 91 16475 -45.5 -65.5 9 20.0 -47.0 8 19 451.8 451.9 311.1 452.2 0.06 29 70 18220 -45.5 -65.5 9 20.0 -47.3 350 19 487.0 487.1 314.0 487.5 0.08 30 67 18511 -45.3 -65.3 9 20.0 -47.2 351 19 493.6 493.6 314.5 494.2 0.09 31 50 20450 -46.7 -67.7 7 21.0 -48.8 355 21 533.4 533.4 317.2 534.0 0.08 32 46 21004 -47.7 -68.7 7 21.0 -49.8 353 22 543.9 543.9 317.8 544.4 0.08 33 31 23605 -49.7 -70.7 7 21.0 -52.1 346 28 603.5 603.5 320.8 604.1 0.09 34 30 23820 -48.9 -68.9 8 20.0 -51.5 345 29 611.3 611.4 321.2 612.2 0.12 35 20 26460 -51.3 -72.3 6 21.0 -54.2 330 44 679.1 679.2 323.8 680.1 0.11 36 14 28797 -47.7 -69.7 6 22.0 -52.7 327 47 764.3 764.4 326.4 766.5 0.23 37 11 30393 -46.9 -68.9 6 22.0 -52.9 326 49 821.8 821.9 327.8 825.1 0.32 38 10 31030 -43.3 -65.3 7 22.0 -51.1 325 50 857.9 858.2 328.7 864.2 0.59 39 9.7 31235 -42.9 -64.9 7 22.0 -51.0 866.9 867.3 328.9 873.9 0.64 TRP 320 8176 -55.5 -63.5 36 8.0 -55.6 30 15 301.5 301.5 282.0 301.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5113.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 52.02 % Est. max temperature: 1.67 C = 35.00 F Sfc-Lift cond lev (LCL): 968.56 mb = 336.87 m = 1105.21 ft T: -17.90 C 700-500 lapse rate: 7.07 C/km Conv cond level (CCL): 1000.00 mb = 97.00 m = 318.24 ft Mean mixing ratio: 0.96 g/kg Conv temperature: -16.94 C = 1.51 F Cap Strength: 19.81 C Lifted Index: 20.78 C Risk: None Lifted Index @300 mb: 32.62 C Lifted Index @700 mb: 16.52 C Showalter Index: 8.77 C Risk: None Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 20.70 C K Index: -1.40 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 2.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.58 J/kg Max Up Vert Vel: 10.45 m/s Conv Inhibition (B-): 88412.95 J/kg Cap Strength: 20.63 C Lift Cond Lev (LCL): 919.89 mb = 728.34 m = 2389.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 92 at 10 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 1009 30 45 13 -9.2 -9.2 | 354 10 1.0 -9.5 1 1000 97 40 13 -8.4 -10.0 | 350 10 1.8 -10.3 2 925 686 35 15 -8.6 -12.3 | 353 13 1.6 -12.6 3 850 1336 30 9 -4.5 -7.8 | 325 10 5.7 -8.1 4 700 2805 65 13 -11.8 -5.5 | 15 6 -1.6 -5.8 5 500 5210 80 17 -16.7 -3.0 | 63 7 -6.5 -3.3 6 400 6720 55 9 -7.4 -5.2 | 333 6 2.8 -5.5 7 320 8176 30 15 -7.5 -13.0 | 349 14 2.7 -13.3 8 300 8590 25 19 -8.0 -17.2 | 353 18 2.2 -17.6 9 250 9770 35 27 -15.5 -22.1 | 13 23 -5.3 -22.4 10 200 11240 30 23 -11.5 -19.9 | 4 20 -1.3 -20.3 11 150 13160 15 19 -4.9 -18.4 | 344 19 5.3 -18.7 12 100 15850 15 19 -4.9 -18.4 | 344 19 5.3 -18.7 13 70 18220 350 19 3.3 -18.7 | 325 23 13.5 -19.0 14 50 20450 355 21 1.8 -20.9 | 331 24 12.0 -21.3 15 30 23820 345 29 7.5 -28.0 | 328 33 17.7 -28.3 16 20 26460 330 44 22.0 -38.1 | 320 50 32.2 -38.4 17 10 31030 325 50 28.7 -41.0 | 317 57 38.9 -41.3 Wind Parameters Mean winds (0-6000m): 61.9 at 13.6 knts Storm direction: 91.9 at 10.2 knts Shear (0-3000m) pos: 1.3 neg: 0.5 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 25.9 deg Storm rel helicity (0-3000m) pos: 16.4 neg: -17.4 tot: -1.0 m^2/s^2 ave: -0.3 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 13.72 Bulk Shear: 3.98 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 39 14 351 11| 0.0 2.6 2.6| 1.3 -1.8 -0.5 -1.1 -0.09| 2.9 -0.3 1000 37 14 350 12| 0.0 1.5 1.5| 1.5 -10.3 -8.8 -8.8 -0.46| 3.2 -1.5 1500 35 13 344 11| 0.8 1.0 1.8| 3.4 -17.4 -14.0 -9.3 -0.47| 3.4 -1.6 2000 37 12 343 10| 0.8 0.8 1.5| 8.4 -17.4 -9.0 -4.5 -0.21| 3.2 -0.7 2500 40 12 345 10| 1.1 0.6 1.7| 13.1 -17.4 -4.3 -1.7 -0.01| 3.1 -0.0 3000 45 12 349 9| 1.3 0.5 1.8| 16.4 -17.4 -1.0 -0.3 0.10| 3.0 0.3 4000 52 13 358 8| 1.3 0.4 1.6| 20.0 -17.4 2.6 0.7 0.20| 2.5 0.5 5000 58 13 9 7| 1.2 0.3 1.6| 24.1 -17.4 6.7 1.3 0.28| 2.3 0.6 6000 62 14 15 7| 1.0 0.7 1.7| 24.6 -25.8 -1.2 -0.2 0.05| 2.4 0.1 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20250416.00.gif