UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 8 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 -17.5 -21.3 72 3.8 -18.1 360 13 254.3 254.5 254.0 256.2 0.68 1 1000 159 -19.3 -23.9 67 4.6 -19.9 355 11 253.9 253.9 253.2 255.4 0.55 2 953 515 -21.9 -25.6 72 3.7 -22.3 346 10 254.7 254.8 253.9 256.1 0.50 3 925 735 -21.1 -24.5 74 3.4 -21.5 340 9 257.7 257.8 256.5 259.3 0.57 4 912 840 -20.7 -24.7 70 4.0 -21.2 343 10 259.2 259.3 257.7 260.8 0.57 5 850 1360 -21.5 -31.5 40 10.0 -22.5 360 13 263.6 263.7 260.7 264.6 0.32 6 814 1679 -21.7 -29.7 48 8.0 -22.6 360 12 266.7 266.8 263.1 267.9 0.40 7 700 2774 -29.1 -36.1 51 7.0 -29.6 360 9 270.3 270.3 265.3 271.0 0.25 8 527 4747 -43.5 -48.1 60 4.6 -43.6 34 12 275.8 275.8 268.7 276.1 0.09 9 500 5100 -45.5 -49.8 62 4.3 -45.6 40 13 277.6 277.6 269.8 277.8 0.08 10 467 5552 -48.1 -52.2 62 4.1 -48.2 43 12 279.8 279.8 271.1 280.0 0.07 11 400 6560 -53.5 -57.5 62 4.0 -53.6 50 11 285.5 285.5 274.3 285.6 0.04 12 364 7161 -56.9 -60.9 60 4.0 -56.9 56 11 288.7 288.7 276.0 288.8 0.03 13 310 8167 -61.1 -65.1 59 4.0 -61.2 65 11 296.4 296.4 279.8 296.5 0.02 14 300 8370 -61.3 -65.4 58 4.1 -61.3 30 7 298.9 298.9 280.9 299.0 0.02 15 264 9168 -58.9 -63.1 58 4.2 -59.0 12 11 313.6 313.6 286.6 313.7 0.03 16 250 9510 -58.7 -63.0 57 4.3 -58.7 5 13 318.8 318.8 288.4 318.9 0.03 17 200 10910 -57.9 -62.9 53 5.0 -58.0 355 19 341.1 341.1 294.6 341.2 0.04 18 173 11821 -59.3 -65.3 46 6.0 -59.4 0 18 353.2 353.2 297.4 353.4 0.03 19 150 12710 -60.9 -66.9 45 6.0 -61.0 5 17 365.2 365.2 299.7 365.3 0.03 20 130 13599 -60.3 -67.3 39 7.0 -60.4 7 13 381.5 381.5 302.5 381.7 0.03 21 109 14683 -64.7 -72.7 32 8.0 -64.8 9 9 392.9 392.9 304.2 393.0 0.02 22 106 14854 -64.1 -72.1 33 8.0 -64.2 9 8 397.2 397.2 304.8 397.3 0.02 23 100 15210 -63.7 -71.7 33 8.0 -63.8 10 7 404.7 404.7 305.9 404.8 0.02 24 76 16870 -69.1 -77.1 30 8.0 -69.2 48 12 426.4 426.4 308.4 426.5 0.01 25 70 17360 -69.9 -77.9 30 8.0 -70.0 60 13 434.8 434.8 309.4 434.9 0.01 26 62 18083 -70.5 -78.5 30 8.0 -70.6 53 12 448.9 448.9 310.7 448.9 0.01 27 50 19350 -74.1 -82.1 28 8.0 -74.2 40 11 468.9 468.9 312.5 468.9 0.01 28 44 20094 -74.7 -83.7 23 9.0 -74.7 484.9 484.9 313.8 484.9 0.01 TRP 310 8167 -61.1 -65.1 59 4.0 -61.2 65 11 296.4 296.4 279.8 296.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 4941.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 56.32 % Est. max temperature: -9.51 C = 14.88 F Sfc-Lift cond lev (LCL): 956.50 mb = 488.02 m = 1601.11 ft T: -21.70 C 700-500 lapse rate: 7.05 C/km ThetaE index: 0.84 C Layer 1000.0- 953.0 mb Conv cond level (CCL): 721.38 mb = 2555.69 m = 8384.70 ft Mean mixing ratio: 0.55 g/kg Conv temperature: -2.21 C = 28.02 F Cap Strength: 16.07 C Lifted Index: 17.23 C Risk: None Lifted Index @300 mb: 30.03 C Lifted Index @700 mb: 12.72 C Showalter Index: 10.76 C Risk: None Total Totals Index: 38.00 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 14.00 C K Index: -14.50 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 2.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.26 J/kg Max Up Vert Vel: 5.70 m/s Conv Inhibition (B-): 38973.88 J/kg Cap Strength: 16.95 C Lift Cond Lev (LCL): 906.29 mb = 886.08 m = 2907.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 45 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 26 360 13 -0.0 -13.0 | 320 9 5.9 -7.1 1 1000 159 355 11 1.0 -11.0 | 306 9 6.9 -5.0 2 925 735 340 9 3.1 -8.5 | 286 9 9.0 -2.5 3 850 1360 360 13 -0.0 -13.0 | 320 9 5.9 -7.1 4 700 2774 360 9 -0.0 -9.0 | 298 7 5.9 -3.1 5 500 5100 40 13 -8.4 -10.0 | 31 5 -2.4 -4.0 6 400 6560 50 11 -8.4 -7.1 | 65 3 -2.5 -1.2 7 310 8167 65 11 -10.0 -4.6 | 107 4 -4.1 1.3 8 300 8370 30 7 -3.5 -6.1 | 273 2 2.4 -0.1 9 250 9510 5 13 -1.1 -13.0 | 326 9 4.8 -7.0 10 200 10910 355 19 1.7 -18.9 | 330 15 7.6 -13.0 11 150 12710 5 17 -1.5 -16.9 | 338 12 4.4 -11.0 12 100 15210 10 7 -1.2 -6.9 | 282 5 4.7 -1.0 13 70 17360 60 13 -11.3 -6.5 | 84 5 -5.4 -0.6 14 50 19350 40 11 -7.1 -8.4 | 25 3 -1.2 -2.5 Wind Parameters Mean winds (0-6000m): 15.0 at 11.1 knts Storm direction: 45.0 at 8.4 knts Shear (0-3000m) pos: 0.7 neg: 1.2 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): -16.3 deg Storm rel helicity (0-3000m) pos: 14.2 neg: -18.2 tot: -4.1 m^2/s^2 ave: -1.4 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 2.6 stream: -0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.78 Bulk Shear: 2.40 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 ------------------------------------------------------------------------------- 500 353 11 303 9| 0.0 4.5 4.5| 0.0 -9.9 -9.9 -19.7 -0.97| 4.5 -4.4 1000 349 10 298 9| 0.7 2.2 2.9| 5.9 -12.5 -6.5 -6.5 -0.37| 4.1 -1.5 1500 352 11 303 9| 1.4 1.5 2.8| 13.1 -12.9 0.2 0.2 -0.01| 3.8 -0.0 2000 354 11 306 9| 1.0 1.4 2.5| 13.1 -15.1 -2.0 -1.0 -0.09| 3.2 -0.3 2500 355 11 307 8| 0.8 1.4 2.2| 13.1 -17.3 -4.2 -1.7 -0.16| 2.9 -0.5 3000 356 11 306 8| 0.7 1.2 1.9| 14.2 -18.2 -4.1 -1.4 -0.14| 2.6 -0.4 4000 0 11 309 7| 1.0 0.9 1.9| 18.8 -18.2 0.6 0.2 0.06| 2.4 0.1 5000 8 11 318 7| 1.1 0.7 1.8| 23.6 -18.2 5.4 1.1 0.22| 2.4 0.5 6000 15 11 328 6| 0.9 0.6 1.5| 25.3 -18.2 7.1 1.2 0.26| 2.1 0.6 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251208.12.gif