UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041511.upa.cvt Date: 1100Z 15 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 15 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 ------------------------------------------------------------------------------- 0 1000 16 25 5 SFC 997 52 6.2 -2.8 52 9.0 2.5 25 5 279.6 280.1 275.8 288.3 3.11 2 995 68 4.4 -3.6 56 8.0 1.3 26 5 277.9 278.4 274.6 286.1 2.94 3 925 645 0.0 -7.0 59 7.0 -2.5 75 22 279.3 279.7 274.7 286.2 2.44 4 850 1316 -4.5 -9.5 68 5.0 -6.1 80 13 281.4 281.8 275.5 287.7 2.18 5 795 1838 -9.1 -11.0 86 1.9 -9.7 80 14 282.0 282.3 275.6 287.9 2.07 6 766 2125 -11.3 -14.9 75 3.6 -12.3 80 15 282.6 282.9 275.2 287.2 1.57 7 700 2811 -15.1 -22.1 55 7.0 -16.6 80 16 285.8 285.9 275.9 288.6 0.93 8 674 3095 -17.5 -28.5 38 11.0 -19.3 77 16 286.2 286.3 275.6 287.9 0.54 9 648 3388 -20.1 -26.1 59 6.0 -21.1 73 16 286.5 286.6 276.0 288.7 0.70 10 631 3584 -21.3 -33.3 33 12.0 -22.8 71 16 287.3 287.4 275.9 288.5 0.37 11 586 4125 -25.9 -30.4 66 4.5 -26.5 64 16 288.1 288.2 276.5 289.7 0.52 12 577 4236 -26.7 -33.7 52 7.0 -27.5 63 16 288.4 288.5 276.5 289.7 0.38 13 560 4451 -28.5 -36.5 46 8.0 -29.3 60 16 288.8 288.8 276.5 289.8 0.30 14 500 5250 -36.1 -40.6 63 4.5 -36.4 50 16 289.0 289.1 276.5 289.8 0.22 15 467 5718 -40.5 -43.5 73 3.0 -40.6 48 16 289.3 289.3 276.6 289.8 0.17 16 423 6382 -46.3 -53.3 45 7.0 -46.5 46 15 290.1 290.1 276.8 290.4 0.06 17 412 6556 -47.9 -53.9 50 6.0 -48.0 46 15 290.3 290.3 276.9 290.5 0.06 18 400 6750 -49.3 -56.3 44 7.0 -49.4 45 15 290.9 290.9 277.2 291.1 0.05 19 371 7241 -52.7 -57.7 55 5.0 -52.8 35 21 292.7 292.7 278.1 292.9 0.04 20 363 7382 -51.1 -64.1 20 13.0 -51.3 36 21 296.7 296.7 279.9 296.8 0.02 21 348 7658 -49.3 -71.3 6 22.0 -49.6 38 20 302.7 302.7 282.5 302.8 0.01 22 300 8640 -46.1 -76.1 2 30.0 -46.6 45 17 320.4 320.4 288.9 320.4 0.00 23 298 8684 -45.7 -75.7 2 30.0 -46.2 45 17 321.6 321.6 289.2 321.6 0.00 24 250 9850 -44.1 -79.1 1 35.0 -44.9 40 12 340.5 340.5 294.4 340.5 0.00 25 223 10620 -43.7 -79.7 1 36.0 -44.6 25 10 352.4 352.4 297.1 352.4 0.00 26 212 10960 -45.5 -80.5 1 35.0 -46.3 18 9 354.8 354.8 297.7 354.8 0.00 27 200 11350 -44.9 -80.9 1 36.0 -45.7 10 8 361.7 361.7 299.0 361.7 0.00 28 183 11944 -42.7 -80.7 1 38.0 -43.8 358 9 374.6 374.6 301.4 374.6 0.00 29 151 13226 -45.9 -81.9 1 36.0 -46.9 331 11 390.2 390.2 303.8 390.2 0.00 30 150 13270 -45.7 -82.7 1 37.0 -46.7 330 11 391.3 391.3 304.0 391.3 0.00 31 122 14654 -43.3 -82.3 1 39.0 -44.8 327 8 419.5 419.5 307.7 419.5 0.00 32 101 15914 -47.3 -84.3 1 37.0 -48.5 325 5 435.1 435.1 309.4 435.1 0.00 33 100 15980 -47.1 -84.1 1 37.0 -48.4 325 5 436.7 436.7 309.6 436.7 0.00 34 91 16605 -45.3 -84.3 0 39.0 -46.9 318 4 452.2 452.2 311.1 452.3 0.00 35 70 18340 -48.1 -85.1 1 37.0 -49.7 300 3 481.5 481.5 313.5 481.5 0.00 36 51 20420 -50.1 -86.1 1 36.0 -51.8 44 13 522.4 522.4 316.5 522.5 0.00 37 50 20550 -48.7 -85.7 1 37.0 -50.7 50 14 528.7 528.7 316.8 528.7 0.01 38 42 21701 -47.3 -85.3 1 38.0 -49.8 86 12 559.2 559.2 318.6 559.2 0.01 39 33 23285 -50.7 -86.7 1 36.0 -52.9 135 8 590.1 590.1 320.2 590.2 0.01 40 30 23910 -48.1 -86.1 0 38.0 -51.2 155 7 613.5 613.5 321.2 613.6 0.01 41 29 24133 -48.3 -86.3 0 38.0 -51.4 150 8 618.9 618.9 321.5 619.0 0.01 42 25 25102 -52.1 -87.1 1 35.0 -54.5 126 12 634.9 634.9 322.1 634.9 0.01 43 20 26560 -48.1 -87.1 0 39.0 -52.2 90 18 688.9 688.9 324.1 689.0 0.01 44 19 26898 -47.9 -86.9 0 39.0 -52.2 699.7 699.8 324.4 699.8 0.01 45 12 29914 -50.3 -86.3 1 36.0 -55.1 789.5 789.5 327.0 789.7 0.02 TRP 371 7241 -52.7 -57.7 55 5.0 -52.8 35 21 292.7 292.7 278.1 292.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5234.00 m Freezing level: 925.00 mb = 645.00 m = 2116.12 ft Wetbulb zero: 971.66 mb = 255.77 m = 839.12 ft Precipitable water: 0.29 inches Sfc-500 mean rel hum: 59.09 % Est. max temperature: 8.07 C = 46.53 F Sfc-Lift cond lev (LCL): 867.86 mb = 1150.99 m = 3776.17 ft T: -3.39 C 700-500 lapse rate: 8.61 C/km ThetaE index: 2.17 C Layer 995.0- 925.0 mb Conv cond level (CCL): 809.18 mb = 1700.19 m = 5577.99 ft Mean mixing ratio: 2.61 g/kg Conv temperature: 8.44 C = 47.18 F Cap Strength: 3.36 C Lifted Index: 2.96 C Risk: None Lifted Index @300 mb: 24.19 C Lifted Index @700 mb: 3.04 C Showalter Index: 1.85 C Risk: Showers probable Total Totals Index: 58.20 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.60 C Cross Totals Index: 26.60 C K Index: 15.10 Risk: < 20 % chance of thunderstorms Sweat Index: 226.00 Risk: None Energy Index: 0.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.62 J/kg Max Up Vert Vel: 3.64 m/s Conv Inhibition (B-): 67783.97 J/kg Cap Strength: 3.35 C Lift Cond Lev (LCL): 844.84 mb = 1363.54 m = 4473.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 98 at 12 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 ---------------------------------------------------------- 0 997 52 25 5 -2.1 -4.5 | 303 11 9.4 -6.1 1 925 645 75 22 -21.3 -5.7 | 53 12 -9.7 -7.2 2 850 1316 80 13 -12.8 -2.3 | 18 4 -1.3 -3.8 3 700 2811 80 16 -15.8 -2.8 | 44 6 -4.2 -4.3 4 500 5250 50 16 -12.3 -10.3 | 3 12 -0.7 -11.8 5 400 6750 45 15 -10.6 -10.6 | 356 12 0.9 -12.2 6 371 7241 35 21 -12.0 -17.2 | 2 19 -0.5 -18.8 7 300 8640 45 17 -12.0 -12.0 | 2 14 -0.5 -13.6 8 250 9850 40 12 -7.7 -9.2 | 340 11 3.8 -10.7 9 200 11350 10 8 -1.4 -7.9 | 313 14 10.2 -9.4 10 150 13270 330 11 5.5 -9.5 | 303 20 17.0 -11.1 11 100 15980 325 5 2.9 -4.1 | 291 15 14.4 -5.6 12 70 18340 300 3 2.6 -1.5 | 282 14 14.1 -3.0 13 50 20550 50 14 -10.7 -9.0 | 356 11 0.8 -10.5 14 30 23910 155 7 -3.0 6.3 | 241 10 8.6 4.8 15 20 26560 90 18 -18.0 0.0 | 77 7 -6.5 -1.5 Wind Parameters Mean winds (0-6000m): 67.6 at 15.5 knts Storm direction: 97.6 at 11.6 knts Shear (0-3000m) pos: 1.9 neg: 0.5 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 95.4 deg Storm rel helicity (0-3000m) pos: 60.7 neg: -7.6 tot: 53.1 m^2/s^2 ave: 17.7 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.12 Bulk Shear: 1.61 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 65 12 355 7| 16.4 0.0 16.4| 47.0 0.0 47.0 94.0 0.99| 17.6 17.5 1000 71 16 28 7| 7.3 0.0 7.3| 58.1 -3.7 54.4 54.4 0.73| 13.6 9.9 1500 74 15 28 7| 3.9 0.0 3.9| 58.5 -6.6 51.9 34.6 0.57| 10.4 6.0 2000 75 15 28 6| 2.9 0.3 3.2| 59.4 -6.6 52.8 26.4 0.58| 8.1 4.7 2500 76 15 30 6| 2.3 0.4 2.8| 60.4 -6.6 53.8 21.5 0.58| 6.7 3.9 3000 77 15 32 6| 1.9 0.5 2.4| 60.7 -7.6 53.1 17.7 0.55| 5.8 3.2 4000 75 15 31 6| 1.5 0.6 2.1| 60.7 -12.7 48.0 12.0 0.43| 4.8 2.1 5000 72 15 26 7| 1.2 0.8 1.9| 60.7 -19.0 41.7 8.3 0.34| 4.2 1.4 6000 68 16 21 8| 1.0 0.7 1.7| 60.7 -23.3 37.4 6.2 0.29| 3.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250415.11.gif