UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041623.upa.cvt Date: 2300Z 16 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 16 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 1012 52 3.0 -3.0 65 6.0 0.7 25 10 275.2 275.7 273.2 283.5 3.02 1 1000 135 2.6 -3.4 65 6.0 0.3 30 23 275.8 276.2 273.4 284.0 2.97 2 951 539 0.2 -8.8 51 9.0 -2.9 49 26 277.3 277.7 272.9 283.1 2.06 3 925 760 -1.7 -8.7 59 7.0 -4.0 60 27 277.6 277.9 273.2 283.6 2.14 4 851 1417 -6.7 -11.6 68 4.9 -8.2 75 31 279.0 279.3 273.6 284.3 1.85 5 850 1426 -6.7 -11.6 68 4.9 -8.2 75 31 279.1 279.4 273.7 284.4 1.85 6 838 1537 -5.7 -13.7 53 8.0 -8.0 74 31 281.3 281.6 274.5 285.9 1.58 7 700 2921 -16.3 -19.5 76 3.2 -17.0 55 25 284.4 284.6 275.6 287.9 1.16 8 671 3238 -19.1 -20.7 87 1.6 -19.4 57 23 284.8 284.9 275.6 288.1 1.10 9 641 3577 -21.7 -26.3 66 4.6 -22.4 59 21 285.6 285.7 275.5 287.7 0.70 10 635 3646 -20.9 -34.9 27 14.0 -22.6 59 21 287.2 287.3 275.7 288.2 0.31 11 617 3859 -21.7 -37.7 22 16.0 -23.5 61 20 288.7 288.7 276.4 289.5 0.24 12 500 5370 -34.3 -42.3 44 8.0 -34.8 70 11 291.2 291.3 277.6 291.8 0.18 13 447 6142 -41.1 -47.1 52 6.0 -41.3 55 26 292.1 292.2 277.9 292.6 0.12 14 420 6562 -43.9 -54.9 29 11.0 -44.2 47 34 293.8 293.8 278.6 294.0 0.05 15 413 6675 -43.3 -59.3 16 16.0 -43.7 44 37 296.0 296.0 279.6 296.1 0.03 16 400 6890 -43.5 -61.5 12 18.0 -43.9 40 41 298.5 298.5 280.7 298.5 0.02 17 385 7147 -43.9 -65.9 7 22.0 -44.4 38 43 301.2 301.2 281.8 301.3 0.01 18 371 7395 -45.3 -60.3 17 15.0 -45.7 36 46 302.6 302.6 282.4 302.7 0.03 19 336 8053 -47.7 -63.7 14 16.0 -48.0 30 52 308.0 308.0 284.6 308.1 0.02 20 300 8800 -48.7 -73.7 4 25.0 -49.1 15 42 316.7 316.7 287.6 316.7 0.01 21 285 9136 -49.3 -76.3 3 27.0 -49.7 15 36 320.5 320.5 288.9 320.5 0.00 22 262 9690 -46.5 -77.5 2 31.0 -47.0 15 27 332.4 332.4 292.4 332.5 0.00 23 250 10000 -48.3 -77.3 2 29.0 -48.8 15 22 334.3 334.3 292.9 334.3 0.00 24 220 10846 -45.1 -79.1 1 34.0 -45.9 21 13 351.6 351.6 297.0 351.7 0.00 25 200 11480 -45.9 -79.9 1 34.0 -46.7 25 6 360.1 360.1 298.7 360.1 0.00 26 192 11750 -47.1 -81.1 1 34.0 -47.8 12 6 362.4 362.4 299.2 362.4 0.00 27 166 12715 -44.7 -80.7 1 36.0 -45.7 327 5 381.8 381.8 302.5 381.8 0.00 28 150 13390 -45.9 -81.9 1 36.0 -46.9 295 5 391.0 391.0 303.9 391.0 0.00 29 100 16090 -47.5 -83.5 1 36.0 -48.7 230 7 435.9 435.9 309.4 436.0 0.00 30 84 17236 -50.1 -85.1 1 35.0 -51.2 259 5 453.0 453.0 311.1 453.0 0.00 31 70 18430 -49.1 -85.1 1 36.0 -50.5 290 3 479.3 479.3 313.4 479.4 0.00 32 53 20257 -47.7 -84.7 1 37.0 -49.7 75 7 522.3 522.3 316.5 522.3 0.01 33 50 20640 -48.5 -84.5 1 36.0 -50.5 105 8 529.2 529.2 316.9 529.2 0.01 34 30 23980 -49.7 -85.7 1 36.0 -52.4 25 4 609.1 609.2 321.0 609.2 0.01 35 25 25168 -51.5 -86.5 1 35.0 -54.1 636.6 636.6 322.2 636.6 0.01 TRP 336 8053 -47.7 -63.7 14 16.0 -48.0 30 52 308.0 308.0 284.6 308.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5235.00 m Freezing level: 948.26 mb = 562.17 m = 1844.37 ft Wetbulb zero: 995.99 mb = 167.30 m = 548.89 ft Precipitable water: 0.27 inches Sfc-500 mean rel hum: 54.12 % Est. max temperature: 6.62 C = 43.91 F Sfc-Lift cond lev (LCL): 922.10 mb = 784.69 m = 2574.42 ft T: -1.89 C 700-500 lapse rate: 7.35 C/km ThetaE index: 0.81 C Layer 951.0- 925.0 mb Conv cond level (CCL): 789.08 mb = 1999.88 m = 6561.20 ft Mean mixing ratio: 2.41 g/kg Conv temperature: 10.22 C = 50.39 F Cap Strength: 6.17 C Lifted Index: 6.87 C Risk: None Lifted Index @300 mb: 23.53 C Lifted Index @700 mb: 3.78 C Showalter Index: 6.17 C Risk: None Total Totals Index: 50.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 22.70 C K Index: 12.80 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 1.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.03 J/kg Max Up Vert Vel: 4.01 m/s Conv Inhibition (B-): 52102.69 J/kg Cap Strength: 6.79 C Lift Cond Lev (LCL): 858.19 mb = 1350.52 m = 4430.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 91 at 17 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 1012 52 25 10 -4.2 -9.1 | 307 16 12.4 -9.4 1 1000 135 30 23 -11.5 -19.9 | 346 21 5.2 -20.2 2 925 760 60 27 -23.4 -13.5 | 26 15 -6.7 -13.8 3 850 1426 75 31 -29.9 -8.0 | 58 16 -13.3 -8.3 4 700 2921 55 25 -20.5 -14.3 | 15 15 -3.8 -14.7 5 500 5370 70 11 -10.3 -3.8 | 303 8 6.3 -4.1 6 400 6890 40 41 -26.4 -31.4 | 17 33 -9.7 -31.7 7 336 8053 30 52 -26.0 -45.0 | 12 46 -9.3 -45.4 8 300 8800 15 42 -10.9 -40.6 | 352 41 5.8 -40.9 9 250 10000 15 22 -5.7 -21.3 | 333 24 11.0 -21.6 10 200 11480 25 6 -2.5 -5.4 | 292 15 14.1 -5.8 11 150 13390 295 5 4.5 -2.1 | 277 21 21.2 -2.4 12 100 16090 230 7 5.4 4.5 | 259 22 22.0 4.2 13 70 18430 290 3 2.8 -1.0 | 274 20 19.5 -1.3 14 50 20640 105 8 -7.7 2.1 | 259 9 8.9 1.8 15 30 23980 25 4 -1.7 -3.6 | 285 15 15.0 -3.9 Wind Parameters Mean winds (0-6000m): 61.1 at 22.2 knts Storm direction: 91.1 at 16.7 knts Shear (0-3000m) pos: 4.3 neg: 1.8 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 66.7 deg Storm rel helicity (0-3000m) pos: 145.9 neg: -45.6 tot: 100.3 m^2/s^2 ave: 33.4 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.80 Bulk Shear: 10.00 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 39 23 353 18| 17.6 0.0 17.6| 93.0 0.0 93.0 185.9 0.92| 22.7 20.9 1000 51 25 9 16| 11.5 0.0 11.5|126.8 0.0 126.8 126.8 0.93| 15.7 14.6 1500 59 27 24 15| 8.6 0.0 8.6|145.9 -3.3 142.6 95.0 0.89| 12.4 11.1 2000 62 27 30 15| 6.4 1.0 7.5|145.9 -19.2 126.7 63.3 0.71| 10.3 7.3 2500 62 27 30 15| 5.1 1.6 6.7|145.9 -34.2 111.7 44.7 0.56| 9.0 5.0 3000 62 27 29 15| 4.3 1.8 6.1|145.9 -45.6 100.3 33.4 0.46| 8.1 3.7 4000 61 26 25 14| 2.8 1.3 4.2|145.9 -54.6 91.3 22.8 0.35| 6.9 2.4 5000 61 24 19 12| 2.0 1.1 3.0|145.9 -65.3 80.6 16.1 0.22| 6.1 1.4 6000 61 22 14 11| 1.6 1.2 2.8|169.0 -68.5 100.6 16.8 0.29| 6.4 1.9 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250416.23.gif