UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 26 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 1018 31 -11.3 -14.2 79 2.9 -11.9 45 1 260.5 260.7 260.1 263.9 1.25 1 1000 168 -9.9 -15.9 61 6.0 -11.2 90 9 263.2 263.4 261.9 266.3 1.10 2 989 253 -9.9 -17.9 52 8.0 -11.6 96 9 264.1 264.2 262.3 266.7 0.94 3 979 332 -9.5 -17.5 52 8.0 -11.2 102 10 265.3 265.4 263.2 268.0 0.99 4 925 770 -9.9 -18.9 48 9.0 -11.8 135 11 269.2 269.3 265.9 271.8 0.93 5 912 879 -9.9 -18.9 48 9.0 -11.8 131 10 270.3 270.4 266.7 273.0 0.94 6 892 1050 -10.9 -20.9 44 10.0 -12.9 124 9 271.0 271.1 266.9 273.3 0.81 7 850 1420 -12.3 -20.3 51 8.0 -13.9 110 7 273.3 273.4 268.5 275.9 0.89 8 834 1565 -12.7 -20.7 51 8.0 -14.3 113 7 274.3 274.5 269.2 276.9 0.88 9 776 2111 -17.1 -26.1 46 9.0 -18.5 124 6 275.3 275.4 269.3 277.1 0.59 10 700 2877 -22.5 -32.5 40 10.0 -23.7 140 5 277.6 277.6 270.3 278.7 0.36 11 585 4179 -27.1 -39.1 31 12.0 -28.2 145 10 286.8 286.9 275.4 287.5 0.22 12 544 4697 -30.7 -44.7 24 14.0 -31.7 147 12 288.6 288.6 276.2 289.0 0.13 13 514 5097 -33.5 -47.5 23 14.0 -34.3 149 14 289.9 289.9 276.8 290.2 0.10 14 500 5290 -34.5 -48.5 23 14.0 -35.3 150 15 291.0 291.0 277.3 291.3 0.09 15 420 6490 -41.1 -54.1 23 13.0 -41.6 142 31 297.4 297.4 280.3 297.6 0.06 16 400 6820 -43.5 -55.5 25 12.0 -43.9 140 35 298.5 298.5 280.7 298.6 0.05 17 363 7467 -48.7 -60.7 24 12.0 -49.0 140 43 299.9 299.9 281.3 300.0 0.03 18 320 8291 -51.9 -63.9 22 12.0 -52.1 140 54 306.5 306.5 284.0 306.6 0.02 19 300 8710 -52.1 -65.1 20 13.0 -52.3 140 54 311.9 311.9 286.0 312.0 0.02 20 278 9205 -52.7 -65.7 19 13.0 -52.9 140 46 317.9 317.9 288.1 318.0 0.02 21 250 9900 -48.9 -62.9 18 14.0 -49.3 140 35 333.4 333.4 292.7 333.5 0.03 22 211 11016 -46.1 -62.1 15 16.0 -46.7 136 26 354.3 354.3 297.6 354.5 0.04 23 200 11370 -46.5 -63.5 13 17.0 -47.1 135 23 359.1 359.1 298.5 359.3 0.04 24 182 11998 -46.1 -64.1 11 18.0 -46.8 133 22 369.6 369.6 300.5 369.8 0.04 25 150 13290 -45.1 -64.1 10 19.0 -46.0 130 19 392.3 392.4 304.2 392.6 0.05 26 128 14343 -47.7 -66.7 9 19.0 -48.6 126 18 405.9 405.9 306.0 406.1 0.04 27 117 14937 -46.3 -66.3 9 20.0 -47.4 124 18 419.0 419.0 307.6 419.3 0.04 28 100 15980 -46.3 -67.3 7 21.0 -47.6 120 17 438.3 438.3 309.7 438.5 0.04 29 70 18340 -46.9 -68.9 6 22.0 -48.6 110 15 484.1 484.1 313.8 484.4 0.05 30 50 20570 -47.9 -69.9 6 22.0 -49.8 135 11 530.6 530.6 317.0 531.0 0.06 31 30 23940 -48.7 -69.7 7 21.0 -51.4 60 7 611.9 611.9 321.2 612.7 0.11 32 20 26600 -47.5 -69.5 6 22.0 -51.5 50 7 690.8 690.9 324.1 692.2 0.16 TRP 320 8291 -51.9 -63.9 22 12.0 -52.1 140 54 306.5 306.5 284.0 306.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5122.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 39.96 % Est. max temperature: 0.50 C = 32.91 F Sfc-Lift cond lev (LCL): 971.54 mb = 390.89 m = 1282.42 ft T: -9.55 C 700-500 lapse rate: 4.97 C/km ThetaE index: 0.00 C Layer 1018.0- -0.0 mb Conv cond level (CCL): 721.67 mb = 2650.47 m = 8695.65 ft Mean mixing ratio: 1.00 g/kg Conv temperature: 5.18 C = 41.32 F Cap Strength: 17.75 C Lifted Index: 18.51 C Risk: None Lifted Index @300 mb: 30.67 C Lifted Index @700 mb: 9.12 C Showalter Index: 12.71 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 14.20 C K Index: -8.10 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 3.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.56 J/kg Max Up Vert Vel: 7.82 m/s Conv Inhibition (B-): 61505.66 J/kg Cap Strength: 18.21 C Lift Cond Lev (LCL): 855.28 mb = 1372.55 m = 4503.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 168 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 1018 31 45 1 -0.7 -0.7 | 354 8 0.8 -8.1 1 1000 168 90 9 -9.0 0.0 | 45 11 -7.5 -7.4 2 925 770 135 11 -7.8 7.8 | 94 6 -6.3 0.4 3 850 1420 110 7 -6.6 2.4 | 45 7 -5.1 -5.0 4 700 2877 140 5 -3.2 3.8 | 25 4 -1.7 -3.6 5 500 5290 150 15 -7.5 13.0 | 133 8 -6.0 5.6 6 400 6820 140 35 -22.5 26.8 | 133 29 -21.0 19.4 7 320 8291 140 54 -34.7 41.4 | 136 47 -33.2 34.0 8 300 8710 140 54 -34.7 41.4 | 136 47 -33.2 34.0 9 250 9900 140 35 -22.5 26.8 | 133 29 -21.0 19.4 10 200 11370 135 23 -16.3 16.3 | 121 17 -14.7 8.9 11 150 13290 130 19 -14.6 12.2 | 110 14 -13.0 4.8 12 100 15980 120 17 -14.7 8.5 | 95 13 -13.2 1.1 13 70 18340 110 15 -14.1 5.1 | 80 13 -12.6 -2.3 14 50 20570 135 11 -7.8 7.8 | 94 6 -6.3 0.4 15 30 23940 60 7 -6.1 -3.5 | 23 12 -4.5 -10.9 16 20 26600 50 7 -5.4 -4.5 | 18 12 -3.8 -11.9 Wind Parameters Mean winds (0-6000m): 138.4 at 10.1 knts Storm direction: 168.4 at 7.5 knts Shear (0-3000m) pos: 1.5 neg: 0.5 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 39.8 deg Storm rel helicity (0-3000m) pos: 34.9 neg: -10.9 tot: 24.0 m^2/s^2 ave: 8.0 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 6.27 Bulk Shear: 4.87 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 ------------------------------------------------------------------------------- 500 101 8 49 9| 10.2 0.0 10.2| 29.8 0.0 29.8 59.6 0.93| 13.8 12.8 1000 117 9 65 7| 4.8 0.0 4.8| 34.4 -3.2 31.2 31.2 0.71| 9.4 6.7 1500 118 9 63 7| 3.2 1.1 4.2| 34.4 -8.9 25.5 17.0 0.45| 7.5 3.3 2000 118 8 59 7| 2.3 0.8 3.1| 34.4 -9.4 25.0 12.5 0.41| 6.0 2.4 2500 119 8 56 6| 1.8 0.6 2.4| 34.4 -10.3 24.1 9.6 0.36| 5.0 1.8 3000 121 7 53 6| 1.5 0.5 2.1| 34.9 -10.9 24.0 8.0 0.34| 4.4 1.5 4000 127 7 56 5| 1.7 0.4 2.1| 38.6 -10.9 27.7 6.9 0.42| 3.8 1.6 5000 134 8 70 5| 1.8 0.3 2.1| 42.8 -10.9 31.9 6.4 0.46| 3.5 1.6 6000 138 10 91 5| 1.5 0.7 2.2| 45.3 -11.2 34.2 5.7 0.37| 3.9 1.4 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20250426.12.gif