UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 28 APR 25 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 1013 47 -13.9 -16.0 84 2.1 -14.3 90 7 258.3 258.5 258.1 261.2 1.08 1 1000 145 -14.1 -16.5 82 2.4 -14.6 95 15 259.0 259.2 258.6 261.9 1.05 2 955 494 -16.3 -19.0 80 2.7 -16.8 104 15 260.3 260.4 259.2 262.7 0.89 3 925 735 -15.7 -18.2 81 2.5 -16.2 110 15 263.3 263.4 261.7 266.0 0.98 4 914 825 -15.9 -18.4 81 2.5 -16.4 112 14 264.0 264.1 262.2 266.7 0.98 5 896 976 -9.5 -11.2 87 1.7 -10.0 116 13 272.1 272.4 269.4 277.1 1.81 6 889 1037 -9.9 -11.6 87 1.7 -10.4 117 12 272.3 272.6 269.4 277.2 1.77 7 870 1204 -8.7 -12.2 76 3.5 -9.6 121 11 275.2 275.5 271.2 280.1 1.72 8 850 1383 -9.7 -14.7 67 5.0 -11.0 125 9 276.0 276.2 271.2 280.1 1.44 9 814 1716 -11.7 -17.7 61 6.0 -13.1 122 10 277.3 277.5 271.5 280.7 1.17 10 783 2013 -11.5 -19.5 52 8.0 -13.3 119 11 280.6 280.8 273.3 283.7 1.04 11 774 2102 -12.1 -21.1 47 9.0 -14.0 118 11 280.9 281.1 273.2 283.6 0.92 12 700 2863 -17.1 -27.1 42 10.0 -18.8 110 13 283.5 283.7 274.2 285.4 0.59 13 616 3813 -21.7 -35.7 27 14.0 -23.4 114 16 288.8 288.9 276.6 289.8 0.30 14 539 4783 -28.1 -39.1 34 11.0 -29.1 118 19 292.4 292.5 278.3 293.2 0.24 15 500 5320 -29.9 -37.9 46 8.0 -30.7 120 21 296.6 296.6 280.3 297.6 0.29 16 495 5392 -30.1 -38.1 46 8.0 -30.9 120 21 297.2 297.2 280.6 298.2 0.29 17 400 6880 -40.3 -46.3 53 6.0 -40.6 125 25 302.6 302.6 282.7 303.1 0.15 18 325 8262 -50.1 -55.1 55 5.0 -50.3 129 37 307.6 307.6 284.5 307.9 0.07 19 300 8780 -52.7 -57.7 55 5.0 -52.8 130 42 311.1 311.1 285.8 311.3 0.05 20 280 9224 -54.1 -59.1 54 5.0 -54.2 134 47 315.3 315.3 287.2 315.4 0.05 21 277 9293 -54.3 -59.3 54 5.0 -54.4 135 48 315.9 315.9 287.5 316.1 0.05 22 253 9874 -54.9 -59.9 54 5.0 -55.0 135 33 323.3 323.4 289.8 323.5 0.05 23 250 9950 -55.1 -60.1 54 5.0 -55.2 135 31 324.1 324.2 290.0 324.3 0.05 24 238 10264 -55.1 -60.1 54 5.0 -55.2 129 28 328.7 328.8 291.4 328.9 0.05 25 228 10540 -52.1 -58.1 48 6.0 -52.3 125 26 337.4 337.4 293.7 337.7 0.07 26 200 11390 -50.7 -57.7 43 7.0 -51.0 110 19 352.5 352.5 297.3 352.8 0.08 27 164 12686 -48.5 -58.5 30 10.0 -49.0 96 13 376.8 376.8 301.8 377.2 0.09 28 150 13270 -49.9 -60.9 26 11.0 -50.4 90 11 384.1 384.1 302.9 384.4 0.07 29 100 15920 -51.7 -67.7 13 16.0 -52.4 80 11 427.8 427.8 308.6 428.1 0.04 30 71 18147 -50.7 -70.7 8 20.0 -51.8 474.0 474.0 313.0 474.2 0.04 TRP 277 9293 -54.3 -59.3 54 5.0 -54.4 135 48 315.9 315.9 287.5 316.1 0.05 WND Sounding variables and indices 1000-500 mb thick: 5175.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 50.35 % Est. max temperature: 3.34 C = 38.01 F Sfc-Lift cond lev (LCL): 979.05 mb = 305.43 m = 1002.04 ft T: -15.11 C 700-500 lapse rate: 5.21 C/km ThetaE index: 0.06 C Layer 774.0- 700.0 mb Conv cond level (CCL): 594.27 mb = 4073.65 m = 13364.83 ft Mean mixing ratio: 0.97 g/kg Conv temperature: 17.73 C = 63.91 F Cap Strength: 24.53 C Lifted Index: 27.38 C Risk: None Lifted Index @300 mb: 33.82 C Lifted Index @700 mb: 18.92 C Showalter Index: 13.94 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 15.20 C K Index: -4.50 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 3.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.02 J/kg Max Up Vert Vel: 6.48 m/s Conv Inhibition (B-): 35277.38 J/kg Cap Strength: 27.12 C Lift Cond Lev (LCL): 923.09 mb = 750.52 m = 2462.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 145 at 12 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 1013 47 90 7 -7.0 0.0 | 3 9 -0.5 -9.5 1 1000 145 95 15 -14.9 1.3 | 46 12 -8.4 -8.2 2 925 735 110 15 -14.1 5.1 | 60 9 -7.6 -4.3 3 850 1383 125 9 -7.4 5.2 | 11 4 -0.9 -4.3 4 700 2863 110 13 -12.2 4.4 | 49 8 -5.7 -5.0 5 500 5320 120 21 -18.2 10.5 | 95 12 -11.7 1.0 6 400 6880 125 25 -20.5 14.3 | 109 15 -14.0 4.9 7 300 8780 130 42 -32.2 27.0 | 124 31 -25.7 17.5 8 277 9293 135 48 -33.9 33.9 | 132 37 -27.4 24.5 9 250 9950 135 31 -21.9 21.9 | 129 20 -15.4 12.4 10 200 11390 110 19 -17.9 6.5 | 75 12 -11.3 -3.0 11 150 13270 90 11 -11.0 0.0 | 25 10 -4.5 -9.5 12 100 15920 80 11 -10.8 -1.9 | 21 12 -4.3 -11.4 Wind Parameters Mean winds (0-6000m): 115.5 at 15.3 knts Storm direction: 145.5 at 11.5 knts Shear (0-3000m) pos: 0.9 neg: 0.8 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 50.2 deg Storm rel helicity (0-3000m) pos: 32.7 neg: -6.4 tot: 26.3 m^2/s^2 ave: 8.8 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8.38 Bulk Shear: 2.51 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 99 14 46 10| 8.7 0.0 8.7| 25.0 0.0 25.0 49.9 0.89| 11.2 10.0 1000 105 14 51 9| 3.4 0.0 3.4| 26.8 -2.8 24.0 24.0 0.58| 8.0 4.6 1500 109 13 47 8| 1.8 0.0 1.8| 27.2 -6.4 20.7 13.8 0.34| 6.5 2.2 2000 111 12 44 7| 1.4 0.4 1.8| 29.0 -6.4 22.5 11.3 0.38| 5.3 2.0 2500 112 12 43 7| 1.1 0.7 1.8| 30.6 -6.4 24.2 9.7 0.40| 4.6 1.8 3000 112 12 44 7| 0.9 0.8 1.7| 32.7 -6.4 26.3 8.8 0.41| 4.1 1.7 4000 112 13 50 7| 1.1 0.6 1.7| 39.7 -6.4 33.2 8.3 0.48| 3.5 1.7 5000 114 14 59 7| 1.2 0.5 1.7| 47.3 -6.4 40.9 8.2 0.51| 3.2 1.6 6000 115 15 69 8| 1.3 0.4 1.7| 54.6 -6.4 48.2 8.0 0.54| 2.9 1.6 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250428.12.gif