UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 27 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 1017 28 -13.3 -15.2 86 1.9 -13.7 45 13 258.6 258.8 258.4 261.7 1.15 1 1000 156 -13.9 -18.7 67 4.8 -14.7 40 9 259.2 259.4 258.4 261.6 0.87 2 925 745 -17.1 -21.3 70 4.2 -17.8 355 11 261.8 261.9 260.2 263.9 0.75 3 915 827 -17.1 -21.3 70 4.2 -17.8 359 11 262.6 262.8 260.8 264.8 0.76 4 903 926 -16.1 -20.0 72 3.9 -16.8 4 11 264.7 264.8 262.5 267.1 0.86 5 894 1002 -13.5 -17.9 69 4.4 -14.4 7 11 268.1 268.3 265.4 271.0 1.04 6 850 1386 -13.3 -21.3 51 8.0 -14.8 25 11 272.2 272.3 267.7 274.6 0.82 7 817 1687 -13.1 -24.1 39 11.0 -15.1 27 11 275.5 275.6 269.6 277.5 0.67 8 752 2314 -16.5 -30.5 29 14.0 -18.5 31 12 278.4 278.5 270.9 279.7 0.40 9 706 2786 -19.5 -29.5 41 10.0 -20.9 35 13 280.2 280.3 272.1 281.7 0.47 10 700 2849 -19.5 -29.5 41 10.0 -20.9 35 13 280.9 281.0 272.5 282.4 0.47 11 662 3262 -19.9 -26.9 54 7.0 -21.0 43 14 285.0 285.1 275.0 286.9 0.64 12 639 3523 -21.5 -28.5 53 7.0 -22.5 49 15 286.0 286.1 275.5 287.8 0.57 13 570 4356 -25.5 -33.5 47 8.0 -26.5 66 18 290.8 290.9 277.7 292.1 0.40 14 500 5290 -33.1 -44.1 32 11.0 -33.8 85 21 292.7 292.7 278.2 293.2 0.15 15 466 5783 -36.9 -48.9 28 12.0 -37.5 91 26 293.9 293.9 278.7 294.2 0.10 16 443 6133 -39.7 -51.7 27 12.0 -40.2 96 30 294.7 294.7 279.0 294.9 0.07 17 400 6830 -42.5 -54.5 26 12.0 -42.9 105 38 299.8 299.8 281.3 300.0 0.06 18 386 7069 -43.1 -54.1 29 11.0 -43.5 104 38 302.0 302.0 282.3 302.3 0.06 19 349 7735 -50.5 -61.5 26 11.0 -50.7 102 37 300.9 300.9 281.7 301.0 0.03 20 327 8155 -52.7 -63.7 25 11.0 -52.9 100 36 303.5 303.5 282.8 303.6 0.02 21 300 8710 -52.5 -64.5 22 12.0 -52.7 90 29 311.3 311.4 285.8 311.4 0.02 22 287 8997 -51.1 -63.1 23 12.0 -51.3 94 28 317.3 317.3 287.9 317.4 0.03 23 250 9900 -48.5 -62.5 18 14.0 -48.9 105 23 334.0 334.0 292.8 334.1 0.03 24 218 10806 -45.9 -61.9 15 16.0 -46.5 114 22 351.3 351.3 297.0 351.5 0.04 25 200 11380 -45.7 -62.7 13 17.0 -46.4 120 21 360.4 360.4 298.8 360.6 0.04 26 166 12623 -45.3 -64.3 10 19.0 -46.2 120 18 380.8 380.8 302.4 381.0 0.04 27 150 13300 -44.9 -63.9 10 19.0 -45.9 120 17 392.7 392.7 304.2 392.9 0.05 28 119 14844 -45.9 -66.9 8 21.0 -47.0 111 16 417.7 417.7 307.4 417.9 0.04 29 100 16000 -46.7 -68.7 6 22.0 -47.9 105 15 437.5 437.5 309.6 437.7 0.04 TRP 327 8155 -52.7 -63.7 25 11.0 -52.9 100 36 303.5 303.5 282.8 303.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5134.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 48.83 % Est. max temperature: -1.25 C = 29.75 F Sfc-Lift cond lev (LCL): 986.14 mb = 261.46 m = 857.81 ft T: -14.47 C 700-500 lapse rate: 5.57 C/km ThetaE index: 0.06 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 569.73 mb = 4359.74 m = 14303.44 ft Mean mixing ratio: 0.84 g/kg Conv temperature: 19.11 C = 66.40 F Cap Strength: 24.17 C Lifted Index: 24.65 C Risk: None Lifted Index @300 mb: 34.49 C Lifted Index @700 mb: 17.04 C Showalter Index: 15.10 C Risk: None Total Totals Index: 31.60 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 11.80 C K Index: -11.50 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 3.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.20 J/kg Max Up Vert Vel: 3.80 m/s Conv Inhibition (B-): 27954.12 J/kg Cap Strength: 24.65 C Lift Cond Lev (LCL): 901.46 mb = 938.80 m = 3080.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 87 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 1017 28 45 13 -9.2 -9.2 | 345 9 2.3 -8.6 1 1000 156 40 9 -5.8 -6.9 | 318 9 5.7 -6.3 2 925 745 355 11 1.0 -11.0 | 310 16 12.5 -10.4 3 850 1386 25 11 -4.6 -10.0 | 324 12 6.9 -9.4 4 700 2849 35 13 -7.5 -10.6 | 338 11 4.1 -10.1 5 500 5290 85 21 -20.9 -1.8 | 83 9 -9.4 -1.2 6 400 6830 105 38 -36.7 9.8 | 112 27 -25.2 10.4 7 327 8155 100 36 -35.5 6.3 | 106 25 -23.9 6.8 8 300 8710 90 29 -29.0 0.0 | 92 17 -17.5 0.6 9 250 9900 105 23 -22.2 6.0 | 121 13 -10.7 6.5 10 200 11380 120 21 -18.2 10.5 | 149 13 -6.7 11.1 11 150 13300 120 17 -14.7 8.5 | 161 10 -3.2 9.1 12 100 16000 105 15 -14.5 3.9 | 146 5 -3.0 4.5 Wind Parameters Mean winds (0-6000m): 57.1 at 15.4 knts Storm direction: 87.1 at 11.5 knts Shear (0-3000m) pos: 1.2 neg: 1.3 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): -1.7 deg Storm rel helicity (0-3000m) pos: 23.3 neg: -16.2 tot: 7.1 m^2/s^2 ave: 2.4 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.87 Bulk Shear: 8.28 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 30 10 321 10| 0.0 7.4 7.4| 0.0 -11.4 -11.4 -22.8 -0.56| 8.8 -4.9 1000 15 10 317 13| 0.0 4.0 4.0| 6.2 -16.2 -10.0 -10.0 -0.32| 7.1 -2.3 1500 16 11 318 13| 1.2 2.7 3.9| 13.1 -16.2 -3.1 -2.1 -0.14| 5.9 -0.8 2000 19 11 321 12| 1.1 2.0 3.1| 15.9 -16.2 -0.3 -0.2 -0.08| 4.7 -0.4 2500 22 11 323 12| 1.1 1.6 2.7| 18.7 -16.2 2.5 1.0 -0.03| 3.9 -0.1 3000 25 11 325 12| 1.2 1.3 2.5| 23.3 -16.2 7.1 2.4 0.05| 3.6 0.2 4000 32 12 333 11| 1.7 1.0 2.7| 38.4 -16.2 22.1 5.5 0.26| 3.5 0.9 5000 44 14 348 9| 2.0 0.8 2.8| 54.7 -16.2 38.5 7.7 0.42| 3.6 1.5 6000 57 15 10 8| 2.6 0.7 3.3| 73.6 -16.2 57.4 9.6 0.44| 3.9 1.7 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20250427.12.gif