UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042511.upa.cvt Date: 1100Z 25 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 25 APR 25 Station: BIKF WMO ident: 4018 Latitude: 63.97 Longitude: -22.60 Elevation: 52.00 ------------------------------------------------------------------------------- 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 1004 52 9.6 5.6 76 4.0 7.6 140 14 282.4 283.4 280.5 298.2 5.68 1 1000 68 9.6 5.8 77 3.8 7.6 140 14 282.8 283.7 280.8 298.8 5.78 2 957 431 6.0 4.7 91 1.3 5.4 143 21 282.7 283.6 280.6 298.2 5.60 3 925 709 3.8 2.1 89 1.7 3.0 145 26 283.2 284.0 279.8 296.6 4.81 4 881 1104 2.0 -4.0 64 6.0 -0.4 142 27 285.3 285.9 278.9 294.5 3.22 5 850 1392 -0.5 -3.7 79 3.2 -1.8 140 28 285.6 286.2 279.3 295.4 3.42 6 840 1486 -1.3 -1.3 100 0.0 -1.3 141 28 285.7 286.5 280.2 297.5 4.14 7 828 1601 -2.1 -2.3 99 0.2 -2.2 141 28 286.1 286.8 280.1 297.2 3.90 8 824 1639 -2.5 -7.1 71 4.6 -4.2 142 28 286.1 286.5 278.6 293.9 2.72 9 815 1726 -1.7 -13.7 39 12.0 -5.5 142 29 287.8 288.1 278.0 292.7 1.63 10 807 1805 -1.5 -15.5 34 14.0 -5.8 143 29 288.8 289.1 278.2 293.1 1.42 11 700 2923 -7.7 -36.7 8 29.0 -12.6 150 31 294.0 294.0 279.0 294.8 0.24 12 689 3046 -8.5 -40.5 6 32.0 -13.3 150 31 294.4 294.4 279.1 295.0 0.16 13 637 3649 -11.7 -32.7 16 21.0 -15.4 149 33 297.4 297.5 280.8 298.7 0.38 14 500 5450 -25.7 -45.7 14 20.0 -27.5 145 39 301.7 301.7 282.3 302.2 0.13 15 486 5656 -27.5 -40.5 28 13.0 -28.8 145 42 302.0 302.0 282.5 302.8 0.23 16 467 5943 -28.9 -55.9 6 27.0 -30.5 145 45 303.7 303.7 282.9 303.8 0.04 17 440 6369 -31.5 -45.5 24 14.0 -32.6 145 51 305.6 305.6 283.8 306.1 0.15 18 433 6483 -32.1 -58.1 6 26.0 -33.4 145 53 306.2 306.3 284.0 306.4 0.03 19 400 7040 -35.9 -48.9 25 13.0 -36.7 145 60 308.3 308.4 284.8 308.7 0.11 20 389 7232 -37.3 -48.3 31 11.0 -37.9 146 61 309.0 309.0 285.1 309.4 0.12 21 379 7410 -38.7 -43.7 59 5.0 -39.1 147 63 309.4 309.5 285.4 310.2 0.21 22 372 7538 -39.3 -46.3 47 7.0 -39.7 148 64 310.3 310.3 285.7 310.9 0.16 23 362 7723 -40.9 -43.0 80 2.1 -41.1 149 65 310.6 310.6 285.8 311.4 0.24 24 355 7854 -41.8 -44.8 73 3.0 -42.0 150 66 311.0 311.1 285.9 311.8 0.20 25 317 8609 -47.3 -55.3 39 8.0 -47.6 150 61 313.7 313.7 286.7 314.0 0.07 26 305 8862 -48.5 -60.5 24 12.0 -48.8 150 59 315.5 315.5 287.3 315.6 0.04 27 300 8970 -49.1 -60.1 27 11.0 -49.4 150 58 316.1 316.2 287.5 316.3 0.04 28 278 9468 -52.9 -59.9 42 7.0 -53.1 148 57 317.6 317.6 288.0 317.8 0.04 29 250 10150 -56.7 -65.7 31 9.0 -56.8 145 56 321.8 321.8 289.3 321.9 0.02 30 245 10278 -57.5 -65.5 35 8.0 -57.6 147 57 322.4 322.4 289.5 322.5 0.02 31 237 10487 -58.3 -67.3 31 9.0 -58.4 150 59 324.3 324.3 290.1 324.4 0.02 32 200 11570 -51.7 -79.7 2 28.0 -52.1 145 47 350.9 350.9 296.8 350.9 0.00 33 186 12041 -48.7 -80.7 1 32.0 -49.3 146 42 363.1 363.1 299.3 363.1 0.00 34 172 12554 -48.7 -82.7 1 34.0 -49.4 148 37 371.3 371.3 300.8 371.3 0.00 35 155 13229 -52.7 -83.7 1 31.0 -53.2 149 29 375.7 375.7 301.5 375.7 0.00 36 150 13440 -51.7 -83.7 1 32.0 -52.2 150 27 381.0 381.0 302.4 381.0 0.00 37 136 14083 -47.3 -83.3 1 36.0 -48.3 156 23 399.6 399.6 305.2 399.6 0.00 38 126 14585 -51.5 -84.5 1 33.0 -52.1 161 19 400.8 400.8 305.3 400.8 0.00 39 100 16090 -50.9 -84.9 1 34.0 -51.8 175 9 429.4 429.4 308.8 429.4 0.00 40 70 18400 -51.3 -86.3 1 35.0 -52.4 90 9 474.6 474.6 313.0 474.7 0.00 41 50 20590 -51.7 -86.7 1 35.0 -53.1 345 5 521.6 521.6 316.4 521.7 0.00 42 30 23900 -51.9 -87.9 1 36.0 -54.1 35 6 603.2 603.2 320.7 603.2 0.01 43 23 25621 -52.1 -87.1 1 35.0 -54.7 650.2 650.2 322.7 650.2 0.01 TRP 237 10487 -58.3 -67.3 31 9.0 -58.4 150 59 324.3 324.3 290.1 324.4 0.02 WND 355 7854 -41.8 -44.8 73 3.0 -42.0 150 66 311.0 311.1 285.9 311.8 0.20 Sounding variables and indices 1000-500 mb thick: 5382.00 m Freezing level: 856.20 mb = 1334.39 m = 4377.88 ft Wetbulb zero: 886.71 mb = 1051.58 m = 3450.01 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 35.36 % Est. max temperature: 12.76 C = 54.96 F Sfc-Lift cond lev (LCL): 944.73 mb = 536.47 m = 1760.05 ft T: 5.17 C 700-500 lapse rate: 7.12 C/km ThetaE index: 4.84 C Layer 828.0- 807.0 mb Conv cond level (CCL): 905.41 mb = 882.51 m = 2895.35 ft Mean mixing ratio: 5.25 g/kg Conv temperature: 11.30 C = 52.33 F Cap Strength: 4.39 C Lifted Index: 4.92 C Risk: None Lifted Index @300 mb: 13.22 C Lifted Index @700 mb: 3.12 C Showalter Index: 6.51 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.20 C Cross Totals Index: 22.00 C K Index: -7.50 Risk: None Sweat Index: 95.00 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.57 J/kg Max Up Vert Vel: 3.02 m/s Conv Inhibition (B-): 14.13 J/kg Cap Strength: 4.96 C Lift Cond Lev (LCL): 920.79 mb = 745.94 m = 2447.28 ft Lev Free Conv (LFC): 835.79 mb = 1526.22 m = 5007.22 ft Equ Level (EL): 825.79 mb = 1621.83 m = 5320.89 ft B at Equ Level: 4.38 J/kg Max Parcel Lev (MPL): 805.79 mb = 1816.40 m = 5959.23 ft Wind level data Storm motion: 176 at 24 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 1004 52 140 14 -9.0 10.7 | 29 15 -7.2 -13.2 1 1000 68 140 14 -9.0 10.7 | 29 15 -7.2 -13.2 2 925 709 145 26 -14.9 21.3 | 79 13 -13.1 -2.6 3 850 1392 140 28 -18.0 21.4 | 81 16 -16.2 -2.4 4 700 2923 150 31 -15.5 26.8 | 102 14 -13.7 3.0 5 500 5450 145 39 -22.4 31.9 | 111 22 -20.6 8.1 6 400 7040 145 60 -34.4 49.1 | 128 41 -32.6 25.3 7 355 7854 150 66 -33.0 57.2 | 137 46 -31.2 33.3 8 300 8970 150 58 -29.0 50.2 | 134 38 -27.2 26.3 9 250 10150 145 56 -32.1 45.9 | 126 37 -30.3 22.0 10 237 10487 150 59 -29.5 51.1 | 134 39 -27.7 27.2 11 200 11570 145 47 -27.0 38.5 | 120 29 -25.2 14.6 12 150 13440 150 27 -13.5 23.4 | 88 12 -11.7 -0.5 13 100 16090 175 9 -0.8 9.0 | 356 15 1.0 -14.9 14 70 18400 90 9 -9.0 0.0 | 17 25 -7.2 -23.9 15 50 20590 345 5 1.3 -4.8 | 354 29 3.1 -28.7 16 30 23900 35 6 -3.4 -4.9 | 3 29 -1.7 -28.8 Wind Parameters Mean winds (0-6000m): 145.8 at 31.9 knts Storm direction: 175.8 at 24.0 knts Shear (0-3000m) pos: 2.3 neg: 0.9 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 74.2 deg Storm rel helicity (0-3000m) pos: 67.2 neg: 0.0 tot: 67.2 m^2/s^2 ave: 22.4 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 25.14 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 ------------------------------------------------------------------------------- 500 142 18 45 13| 9.4 0.0 9.4| 31.7 0.0 31.7 63.3 0.96| 9.4 9.1 1000 143 22 61 13| 4.7 2.0 6.7| 43.4 0.0 43.4 43.4 0.90| 7.0 6.3 1500 142 24 69 14| 3.1 1.8 5.0| 46.9 0.0 46.9 31.2 0.83| 5.3 4.5 2000 143 25 74 14| 2.7 1.4 4.1| 54.0 0.0 54.0 27.0 0.84| 4.5 3.8 2500 143 26 78 14| 2.4 1.1 3.5| 61.2 0.0 61.2 24.5 0.85| 4.0 3.4 3000 144 27 82 14| 2.3 0.9 3.2| 67.2 0.0 67.2 22.4 0.85| 3.7 3.1 4000 146 28 88 14| 1.7 1.1 2.8| 72.8 0.0 72.8 18.2 0.79| 3.2 2.5 5000 146 30 94 15| 1.4 1.3 2.6| 77.5 0.0 77.5 15.5 0.73| 2.9 2.1 6000 146 32 99 16| 1.1 1.8 3.0|104.8 0.0 104.8 17.5 0.66| 3.2 2.1 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250425.11.gif