UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U0046... Searching the city database file for: U0046 ... Date:1200Z 16 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 1015 26 -15.7 -18.3 80 2.6 -16.2 20 9 256.4 256.5 256.1 258.7 0.89 1 1013 40 -14.7 -18.8 71 4.1 -15.4 21 9 257.5 257.6 256.9 259.8 0.85 2 1000 138 -15.1 -19.6 68 4.5 -15.9 25 7 258.0 258.2 257.3 260.2 0.81 3 948 540 -16.9 -21.6 67 4.7 -17.6 42 11 260.2 260.3 258.8 262.2 0.72 4 925 725 -15.5 -19.9 69 4.4 -16.3 50 13 263.5 263.6 261.6 265.8 0.85 5 869 1198 -12.3 -16.5 71 4.2 -13.2 43 19 271.5 271.7 268.0 275.0 1.21 6 850 1367 -12.5 -17.5 66 5.0 -13.6 40 21 273.1 273.2 268.8 276.3 1.14 7 786 1963 -12.9 -19.9 56 7.0 -14.4 24 17 278.8 279.0 272.2 281.8 1.00 8 749 2327 -17.7 -25.7 50 8.0 -19.0 14 14 277.5 277.6 270.7 279.4 0.63 9 700 2830 -19.7 -32.7 31 13.0 -21.4 360 11 280.7 280.7 272.2 281.8 0.35 10 658 3287 -22.5 -38.5 22 16.0 -24.1 2 12 282.5 282.6 273.0 283.2 0.21 11 518 4995 -36.5 -46.5 35 10.0 -37.0 9 15 285.6 285.7 274.6 286.0 0.11 12 500 5240 -37.3 -47.3 35 10.0 -37.8 10 15 287.6 287.6 275.6 287.9 0.11 13 452 5928 -43.5 -53.5 32 10.0 -43.8 3 13 288.2 288.2 275.8 288.4 0.06 14 446 6017 -43.7 -53.7 32 10.0 -44.0 2 13 289.1 289.1 276.3 289.3 0.06 15 400 6740 -49.1 -59.1 30 10.0 -49.3 355 11 291.2 291.2 277.3 291.3 0.03 16 370 7248 -52.9 -62.9 29 10.0 -53.0 1 17 292.7 292.7 278.0 292.8 0.02 17 333 7927 -54.3 -64.3 28 10.0 -54.4 10 25 299.7 299.7 281.3 299.8 0.02 18 300 8600 -51.9 -62.9 26 11.0 -52.1 10 23 312.2 312.2 286.1 312.3 0.03 19 282 9001 -50.1 -62.1 23 12.0 -50.4 12 22 320.4 320.4 288.9 320.5 0.03 20 250 9790 -47.7 -61.7 18 14.0 -48.1 15 21 335.2 335.2 293.2 335.3 0.04 21 242 10004 -48.3 -63.3 16 15.0 -48.7 15 21 337.4 337.4 293.7 337.5 0.03 22 200 11270 -44.5 -62.5 12 18.0 -45.3 15 21 362.3 362.3 299.2 362.5 0.04 23 161 12719 -46.9 -67.9 7 21.0 -47.7 4 24 381.4 381.5 302.5 381.6 0.03 24 150 13190 -45.7 -67.7 7 22.0 -46.6 360 25 391.3 391.3 304.0 391.5 0.03 25 138 13748 -44.7 -68.7 5 24.0 -45.9 1 24 402.5 402.5 305.6 402.7 0.03 26 112 15131 -49.5 -73.5 4 24.0 -50.4 4 22 418.3 418.3 307.5 418.4 0.02 27 100 15880 -46.3 -70.3 5 24.0 -47.6 5 21 438.3 438.3 309.7 438.4 0.03 28 97 16083 -45.7 -69.7 5 24.0 -47.1 5 21 443.3 443.3 310.2 443.5 0.03 29 76 17703 -47.3 -71.3 5 24.0 -48.8 1 19 472.0 472.0 312.8 472.2 0.03 30 70 18250 -44.9 -68.9 5 24.0 -46.9 360 19 488.3 488.3 314.1 488.6 0.05 31 63 18953 -43.7 -68.7 5 25.0 -46.1 360 20 505.9 505.9 315.4 506.3 0.06 32 57 19617 -47.7 -71.7 5 24.0 -49.6 360 21 511.5 511.5 315.8 511.8 0.04 33 50 20480 -47.5 -71.5 5 24.0 -49.6 360 23 531.5 531.5 317.1 531.9 0.05 34 39 22115 -48.5 -72.5 5 24.0 -50.8 353 28 568.1 568.2 319.1 568.5 0.05 35 30 23830 -50.5 -74.5 4 24.0 -52.9 345 33 607.0 607.0 320.9 607.4 0.05 36 25 25015 -53.1 -76.1 4 23.0 -55.2 341 37 632.0 632.0 322.0 632.4 0.05 37 20 26460 -52.1 -75.1 5 23.0 -54.9 335 42 676.7 676.7 323.7 677.3 0.07 38 18 27142 -53.3 -76.3 4 23.0 -56.0 335 42 693.6 693.6 324.3 694.2 0.07 39 11 30382 -44.9 -69.9 4 25.0 -51.9 335 40 829.0 829.2 328.0 831.9 0.28 40 10 31020 -44.9 -68.9 5 24.0 -52.2 335 40 851.9 852.1 328.5 855.7 0.36 41 8.3 32266 -44.9 -69.9 4 25.0 -53.0 898.6 898.8 329.5 902.8 0.37 TRP 333 7927 -54.3 -64.3 28 10.0 -54.4 10 25 299.7 299.7 281.3 299.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5102.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 45.02 % Est. max temperature: -0.14 C = 31.75 F Sfc-Lift cond lev (LCL): 972.92 mb = 344.72 m = 1130.97 ft T: -16.03 C 700-500 lapse rate: 7.30 C/km ThetaE index: 2.41 C Layer 749.0- 700.0 mb Conv cond level (CCL): 629.29 mb = 3605.60 m = 11829.24 ft Mean mixing ratio: 0.79 g/kg Conv temperature: 11.23 C = 52.21 F Cap Strength: 19.50 C Lifted Index: 20.86 C Risk: None Lifted Index @300 mb: 35.38 C Lifted Index @700 mb: 17.25 C Showalter Index: 9.56 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 19.80 C K Index: -5.70 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 2.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.05 J/kg Max Up Vert Vel: 7.08 m/s Conv Inhibition (B-): 75988.80 J/kg Cap Strength: 20.41 C Lift Cond Lev (LCL): 895.60 mb = 969.85 m = 3181.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 49 at 10 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 1015 26 20 9 -3.1 -8.5 | 289 5 4.7 -1.6 1 1000 138 25 7 -3.0 -6.3 | 264 5 4.9 0.5 2 925 725 50 13 -10.0 -8.4 | 55 3 -2.1 -1.5 3 850 1367 40 21 -13.5 -16.1 | 32 11 -5.7 -9.2 4 700 2830 360 11 -0.0 -11.0 | 298 9 7.8 -4.1 5 500 5240 10 15 -2.6 -14.8 | 327 9 5.2 -7.9 6 400 6740 355 11 1.0 -11.0 | 295 10 8.8 -4.1 7 333 7927 10 25 -4.3 -24.6 | 349 18 3.5 -17.8 8 300 8600 10 23 -4.0 -22.7 | 346 16 3.8 -15.8 9 250 9790 15 21 -5.4 -20.3 | 350 14 2.4 -13.4 10 200 11270 15 21 -5.4 -20.3 | 350 14 2.4 -13.4 11 150 13190 360 25 -0.0 -25.0 | 337 20 7.8 -18.1 12 100 15880 5 21 -1.8 -20.9 | 337 15 6.0 -14.1 13 70 18250 360 19 -0.0 -19.0 | 327 14 7.8 -12.1 14 50 20480 360 23 -0.0 -23.0 | 334 18 7.8 -16.1 15 30 23830 345 33 8.5 -31.9 | 327 30 16.4 -25.0 16 20 26460 335 42 17.7 -38.1 | 321 40 25.6 -31.2 17 10 31020 335 40 16.9 -36.3 | 320 38 24.7 -29.4 Wind Parameters Mean winds (0-6000m): 18.7 at 13.9 knts Storm direction: 48.7 at 10.4 knts Shear (0-3000m) pos: 1.6 neg: 2.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 11.7 deg Storm rel helicity (0-3000m) pos: 3.8 neg: -41.0 tot: -37.2 m^2/s^2 ave: -12.4 10^-3 m/s^2 rel: -0.40 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.72 Bulk Shear: 4.38 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 32 9 280 3| 4.3 0.0 4.3| 2.0 -2.4 -0.4 -0.8 0.17| 6.7 1.1 1000 42 11 348 1| 4.9 0.0 4.9| 3.0 -3.7 -0.6 -0.6 0.18| 6.8 1.2 1500 41 14 21 4| 3.2 1.5 4.7| 3.0 -11.1 -8.0 -5.3 -0.03| 6.6 -0.2 2000 38 15 16 5| 2.4 1.7 4.2| 3.0 -24.0 -20.9 -10.5 -0.24| 6.4 -1.5 2500 35 15 7 5| 1.9 2.1 4.0| 3.0 -34.9 -31.9 -12.8 -0.36| 6.1 -2.2 3000 32 14 358 5| 1.6 2.0 3.6| 3.8 -41.0 -37.2 -12.4 -0.40| 5.6 -2.2 4000 25 14 342 6| 1.4 1.5 2.9| 8.2 -41.0 -32.8 -8.2 -0.32| 4.5 -1.4 5000 21 14 335 7| 1.3 1.2 2.5| 12.9 -41.0 -28.1 -5.6 -0.25| 3.8 -1.0 6000 19 14 332 7| 1.1 1.2 2.3| 13.8 -48.0 -34.2 -5.7 -0.30| 3.4 -1.0 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20250416.12.gif