UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 4 DEC 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 1023 25 -12.5 -16.8 70 4.3 -13.3 225 1 259.0 259.1 258.4 261.7 1.00 1 1020 48 -11.5 -16.5 66 5.0 -12.5 223 1 260.2 260.3 259.4 263.0 1.03 2 1000 199 -12.7 -17.7 66 5.0 -13.7 210 1 260.5 260.6 259.5 263.0 0.95 3 925 788 -18.1 -21.3 76 3.2 -18.6 105 3 260.8 260.9 259.4 262.9 0.75 4 886 1108 -20.5 -22.7 82 2.2 -20.8 82 2 261.5 261.7 259.8 263.5 0.70 5 871 1235 -18.9 -20.9 84 2.0 -19.2 73 2 264.5 264.6 262.3 266.8 0.83 6 850 1416 -19.1 -21.9 78 2.8 -19.6 60 1 266.1 266.3 263.4 268.3 0.78 7 803 1839 -19.1 -29.1 41 10.0 -20.4 69 2 270.5 270.6 265.8 271.8 0.43 8 785 2007 -20.1 -32.1 33 12.0 -21.5 72 3 271.2 271.2 266.1 272.2 0.33 9 710 2743 -25.5 -31.5 57 6.0 -26.1 88 5 273.1 273.2 267.5 274.3 0.39 10 700 2846 -26.3 -32.3 57 6.0 -26.9 90 5 273.4 273.4 267.7 274.5 0.36 11 646 3421 -30.3 -35.1 63 4.8 -30.7 94 9 275.2 275.2 268.7 276.1 0.30 12 638 3510 -29.7 -34.6 62 4.9 -30.2 94 9 276.8 276.9 269.8 277.8 0.32 13 580 4184 -33.3 -41.3 45 8.0 -33.8 98 14 280.3 280.3 271.6 280.9 0.18 14 510 5075 -39.9 -49.9 34 10.0 -40.3 104 20 282.8 282.8 272.9 283.0 0.08 15 500 5210 -40.9 -50.9 33 10.0 -41.2 105 21 283.2 283.2 273.1 283.4 0.07 16 400 6690 -51.9 -58.9 43 7.0 -52.0 105 25 287.5 287.5 275.5 287.7 0.03 17 330 7911 -60.5 -66.5 45 6.0 -60.6 92 17 292.0 292.0 277.7 292.0 0.02 18 300 8500 -62.9 -68.9 44 6.0 -62.9 85 13 296.7 296.7 279.8 296.7 0.01 19 285 8815 -64.3 -70.3 44 6.0 -64.3 85 15 299.1 299.1 280.9 299.1 0.01 20 250 9620 -62.1 -68.1 44 6.0 -62.1 45 7 313.7 313.7 286.6 313.8 0.02 21 246 9719 -61.9 -67.9 45 6.0 -62.0 42 7 315.5 315.5 287.3 315.6 0.02 22 206 10816 -59.9 -65.9 45 6.0 -60.0 6 12 335.1 335.1 293.1 335.2 0.03 23 200 11000 -59.9 -65.9 45 6.0 -60.0 360 13 337.9 337.9 293.8 338.0 0.03 24 150 12800 -60.1 -67.1 39 7.0 -60.2 5 19 366.5 366.5 299.9 366.7 0.03 25 100 15310 -63.1 -72.1 29 9.0 -63.3 340 17 405.8 405.8 306.0 405.9 0.02 26 96 15562 -63.7 -72.7 28 9.0 -63.8 345 17 409.4 409.4 306.5 409.5 0.02 27 70 17490 -66.7 -75.7 27 9.0 -66.8 20 19 441.7 441.7 310.1 441.8 0.02 28 50 19500 -71.5 -80.5 25 9.0 -71.6 360 21 475.0 475.0 313.1 475.1 0.01 29 34 21758 -75.1 -85.1 20 10.0 -75.2 520.9 520.9 316.4 521.0 0.01 TRP 285 8815 -64.3 -70.3 44 6.0 -64.3 85 15 299.1 299.1 280.9 299.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5011.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 55.66 % Est. max temperature: -7.33 C = 18.81 F Sfc-Lift cond lev (LCL): 954.22 mb = 553.00 m = 1814.29 ft T: -15.95 C 700-500 lapse rate: 6.18 C/km ThetaE index: 0.16 C Layer 925.0- 886.0 mb Conv cond level (CCL): 895.90 mb = 1025.37 m = 3364.03 ft Mean mixing ratio: 0.88 g/kg Conv temperature: -10.08 C = 13.85 F Cap Strength: 16.45 C Lifted Index: 16.68 C Risk: None Lifted Index @300 mb: 23.92 C Lifted Index @700 mb: 10.07 C Showalter Index: 12.31 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.00 C K Index: -6.10 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 3.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.12 J/kg Max Up Vert Vel: 2.06 m/s Conv Inhibition (B-): 41053.06 J/kg Cap Strength: 16.50 C Lift Cond Lev (LCL): 907.62 mb = 928.87 m = 3047.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 132 at 7 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 1023 25 225 1 0.7 0.7 | 304 7 6.0 -4.1 1 1000 199 210 1 0.5 0.9 | 304 7 5.8 -3.9 2 925 788 105 3 -2.9 0.8 | 329 5 2.4 -4.0 3 850 1416 60 1 -0.9 -0.5 | 320 7 4.4 -5.3 4 700 2846 90 5 -5.0 0.0 | 357 5 0.3 -4.8 5 500 5210 105 21 -20.3 5.4 | 93 15 -15.0 0.7 6 400 6690 105 25 -24.1 6.5 | 95 19 -18.9 1.7 7 300 8500 85 13 -13.0 -1.1 | 52 10 -7.7 -5.9 8 285 8815 85 15 -14.9 -1.3 | 58 11 -9.7 -6.1 9 250 9620 45 7 -4.9 -4.9 | 358 10 0.3 -9.7 10 200 11000 360 13 -0.0 -13.0 | 343 19 5.3 -17.8 11 150 12800 5 19 -1.7 -18.9 | 351 24 3.6 -23.7 12 100 15310 340 17 5.8 -16.0 | 332 24 11.1 -20.7 13 70 17490 20 19 -6.5 -17.9 | 3 23 -1.2 -22.6 14 50 19500 360 21 -0.0 -21.0 | 348 26 5.3 -25.8 Wind Parameters Mean winds (0-6000m): 102.2 at 9.5 knts Storm direction: 132.2 at 7.1 knts Shear (0-3000m) pos: 0.9 neg: 0.4 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 67.3 deg Storm rel helicity (0-3000m) pos: 10.4 neg: -2.2 tot: 8.1 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 11.53 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 ------------------------------------------------------------------------------- 500 182 1 303 6| 0.0 2.1 2.1| 0.4 -0.6 -0.2 -0.4 -0.02| 2.2 -0.1 1000 120 2 317 5| 0.0 1.6 1.6| 2.9 -0.8 2.2 2.2 0.35| 2.8 1.0 1500 109 2 320 5| 0.0 0.8 0.8| 3.4 -2.2 1.2 0.8 0.18| 2.5 0.4 2000 97 2 323 6| 0.4 0.6 1.0| 5.7 -2.2 3.5 1.7 0.30| 2.2 0.7 2500 92 2 327 6| 0.6 0.5 1.1| 7.7 -2.2 5.5 2.2 0.39| 2.1 0.8 3000 93 3 330 5| 0.9 0.4 1.3| 10.4 -2.2 8.1 2.7 0.48| 2.1 1.0 4000 95 4 348 5| 1.5 0.3 1.8| 19.4 -2.2 17.2 4.3 0.61| 2.5 1.5 5000 100 7 23 4| 1.9 0.2 2.2| 31.1 -2.2 28.9 5.8 0.60| 2.7 1.6 6000 102 9 55 5| 1.8 0.3 2.1| 35.6 -2.2 33.4 5.6 0.57| 2.6 1.4 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251204.12.gif