UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 3 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 1018 26 -10.1 -14.5 70 4.4 -11.1 70 13 261.7 261.9 261.0 265.0 1.22 1 1000 163 -11.5 -16.5 66 5.0 -12.5 85 13 261.6 261.8 260.6 264.5 1.05 2 925 755 -16.9 -20.7 72 3.8 -17.5 75 13 262.0 262.2 260.4 264.2 0.79 3 914 845 -17.5 -21.0 74 3.5 -18.1 74 14 262.3 262.4 260.6 264.5 0.78 4 867 1240 -18.1 -27.1 45 9.0 -19.3 71 18 265.7 265.8 262.5 267.1 0.48 5 850 1388 -18.5 -29.5 37 11.0 -19.9 70 19 266.8 266.8 263.2 267.9 0.39 6 808 1764 -20.1 -31.1 37 11.0 -21.4 67 18 269.0 269.0 264.6 270.0 0.35 7 720 2613 -23.1 -41.1 18 18.0 -24.6 61 16 274.7 274.7 268.1 275.1 0.15 8 713 2685 -23.3 -40.3 20 17.0 -24.8 61 15 275.2 275.3 268.5 275.7 0.16 9 700 2819 -24.5 -38.5 26 14.0 -25.7 60 15 275.4 275.4 268.7 276.0 0.20 10 601 3910 -32.5 -37.5 61 5.0 -32.9 60 17 278.4 278.4 270.7 279.2 0.25 11 500 5180 -41.7 -46.7 58 5.0 -41.9 60 19 282.2 282.2 272.6 282.6 0.11 12 400 6660 -52.3 -57.3 55 5.0 -52.4 65 23 287.0 287.0 275.2 287.2 0.04 13 370 7159 -55.9 -60.8 54 4.9 -55.9 64 22 288.7 288.7 276.0 288.8 0.03 14 321 8051 -60.5 -65.3 53 4.8 -60.6 61 21 294.3 294.3 278.8 294.4 0.02 15 300 8470 -62.5 -67.2 53 4.7 -62.6 60 21 297.2 297.2 280.1 297.3 0.02 16 288 8722 -63.1 -67.8 53 4.7 -63.1 60 23 299.9 299.9 281.3 299.9 0.01 17 263 9284 -60.9 -65.6 54 4.7 -60.9 44 14 311.0 311.0 285.7 311.1 0.02 18 250 9600 -59.5 -64.2 54 4.7 -59.6 35 9 317.6 317.6 288.0 317.7 0.03 19 240 9855 -61.1 -65.7 54 4.6 -61.2 30 9 318.9 318.9 288.4 319.0 0.02 20 222 10343 -58.5 -63.3 54 4.8 -58.6 22 8 330.1 330.1 291.8 330.3 0.03 21 200 11000 -58.7 -63.7 52 5.0 -58.8 10 7 339.8 339.8 294.3 340.0 0.04 22 150 12800 -58.7 -64.7 46 6.0 -58.8 15 11 368.9 369.0 300.4 369.1 0.04 23 110 14739 -61.5 -69.5 34 8.0 -61.7 7 14 397.9 397.9 304.9 398.1 0.03 24 100 15330 -61.9 -69.9 34 8.0 -62.1 5 15 408.1 408.1 306.3 408.3 0.03 25 72 17348 -64.7 -73.7 28 9.0 -64.8 14 11 442.4 442.4 310.1 442.5 0.02 26 70 17520 -64.7 -73.7 28 9.0 -64.8 15 11 446.0 446.0 310.5 446.1 0.03 27 50 19560 -67.7 -76.7 27 9.0 -67.9 25 11 484.0 484.0 313.8 484.1 0.02 28 32 22209 -73.3 -82.3 24 9.0 -73.4 534.8 534.9 317.2 534.9 0.01 TRP 288 8722 -63.1 -67.8 53 4.7 -63.1 60 23 299.9 299.9 281.3 299.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5017.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 48.81 % Est. max temperature: -6.19 C = 20.86 F Sfc-Lift cond lev (LCL): 948.45 mb = 564.87 m = 1853.23 ft T: -15.17 C 700-500 lapse rate: 7.29 C/km ThetaE index: 0.78 C Layer 1000.0- 914.0 mb Conv cond level (CCL): 801.81 mb = 1821.02 m = 5974.40 ft Mean mixing ratio: 0.95 g/kg Conv temperature: -2.43 C = 27.62 F Cap Strength: 12.36 C Lifted Index: 14.65 C Risk: None Lifted Index @300 mb: 23.26 C Lifted Index @700 mb: 10.58 C Showalter Index: 11.83 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 12.20 C K Index: -20.30 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 3.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.78 J/kg Max Up Vert Vel: 1.25 m/s Conv Inhibition (B-): 39375.28 J/kg Cap Strength: 14.60 C Lift Cond Lev (LCL): 901.87 mb = 944.84 m = 3099.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 94 at 13 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 26 70 13 -12.2 -4.4 | 356 5 0.4 -5.4 1 1000 163 85 13 -13.0 -1.1 | 9 2 -0.3 -2.1 2 925 755 75 13 -12.6 -3.4 | 359 4 0.1 -4.3 3 850 1388 70 19 -17.9 -6.5 | 35 9 -5.2 -7.5 4 700 2819 60 15 -13.0 -7.5 | 2 8 -0.4 -8.5 5 500 5180 60 19 -16.5 -9.5 | 20 11 -3.8 -10.5 6 400 6660 65 23 -20.8 -9.7 | 37 13 -8.2 -10.7 7 300 8470 60 21 -18.2 -10.5 | 26 13 -5.6 -11.5 8 288 8722 60 23 -19.9 -11.5 | 30 14 -7.3 -12.5 9 250 9600 35 9 -5.2 -7.4 | 318 11 7.5 -8.4 10 200 11000 10 7 -1.2 -6.9 | 305 14 11.4 -7.9 11 150 12800 15 11 -2.8 -10.6 | 320 15 9.8 -11.6 12 100 15330 5 15 -1.3 -14.9 | 325 20 11.3 -15.9 13 70 17520 15 11 -2.8 -10.6 | 320 15 9.8 -11.6 14 50 19560 25 11 -4.6 -10.0 | 324 14 8.0 -11.0 Wind Parameters Mean winds (0-6000m): 64.4 at 16.9 knts Storm direction: 94.4 at 12.7 knts Shear (0-3000m) pos: 0.3 neg: 0.9 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 8.8 deg Storm rel helicity (0-3000m) pos: 6.9 neg: -11.4 tot: -4.5 m^2/s^2 ave: -1.5 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 2.8 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 4.34 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 81 13 4 3| 2.1 0.0 2.1| 0.7 -0.2 0.5 1.1 0.12| 4.4 0.5 1000 78 13 6 4| 1.0 1.5 2.6| 3.4 -0.4 3.0 3.0 0.30| 4.0 1.2 1500 75 15 19 5| 0.7 2.1 2.8| 6.3 -1.2 5.0 3.4 0.30| 4.0 1.2 2000 73 16 22 6| 0.5 1.4 1.9| 6.3 -5.3 1.0 0.5 0.13| 3.4 0.4 2500 71 16 20 7| 0.4 1.0 1.5| 6.3 -9.2 -2.9 -1.2 0.00| 3.1 0.0 3000 69 16 18 7| 0.3 0.9 1.2| 6.9 -11.4 -4.5 -1.5 -0.04| 2.8 -0.1 4000 67 16 15 7| 0.3 0.8 1.1| 10.1 -11.4 -1.2 -0.3 0.04| 2.3 0.1 5000 65 16 15 8| 0.2 0.8 1.0| 13.3 -11.4 2.0 0.4 0.09| 2.0 0.2 6000 64 17 18 9| 0.3 0.7 1.0| 20.5 -11.4 9.2 1.5 0.18| 1.9 0.4 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251203.12.gif