UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041723.upa.cvt Date: 2300Z 17 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 17 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 1018 52 1.2 -3.5 71 4.7 -0.6 15 9 273.0 273.4 271.6 280.9 2.89 1 1000 180 0.4 -3.7 74 4.1 -1.2 15 25 273.5 274.0 272.0 281.5 2.90 2 925 798 -5.3 -6.7 90 1.4 -5.8 35 25 273.9 274.3 271.6 280.8 2.50 3 899 1021 -7.3 -7.6 98 0.3 -7.4 37 20 274.1 274.5 271.5 280.7 2.40 4 892 1082 -6.9 -11.8 68 4.9 -8.3 37 18 275.1 275.4 271.1 280.0 1.73 5 880 1188 -7.3 -14.3 57 7.0 -9.2 38 16 275.7 276.0 271.1 279.8 1.43 6 855 1412 -9.1 -16.1 57 7.0 -10.8 40 10 276.1 276.4 271.0 279.8 1.27 7 850 1457 -8.7 -17.7 48 9.0 -10.8 40 9 277.0 277.2 271.3 280.3 1.12 8 813 1800 -11.1 -21.1 43 10.0 -13.2 34 11 278.0 278.2 271.5 280.6 0.87 9 778 2137 -12.1 -28.1 25 16.0 -14.9 29 14 280.5 280.6 272.3 282.0 0.49 10 773 2186 -10.3 -37.3 9 27.0 -14.1 28 14 282.9 283.0 273.2 283.6 0.20 11 765 2267 -9.7 -40.7 6 31.0 -13.9 26 14 284.4 284.5 273.9 284.9 0.14 12 750 2419 -10.3 -42.3 5 32.0 -14.4 24 15 285.4 285.4 274.5 285.8 0.12 13 700 2947 -13.3 -42.3 7 29.0 -16.8 15 19 287.8 287.8 275.7 288.2 0.13 14 626 3787 -18.1 -48.1 5 30.0 -20.9 17 19 291.6 291.6 277.6 291.9 0.08 15 618 3883 -18.7 -40.7 13 22.0 -21.2 17 19 292.0 292.0 277.9 292.6 0.18 16 588 4251 -21.7 -31.7 40 10.0 -23.1 18 18 292.7 292.8 278.7 294.2 0.46 17 554 4685 -25.3 -33.3 47 8.0 -26.3 18 18 293.5 293.5 279.0 294.8 0.42 18 540 4870 -26.5 -39.5 28 13.0 -27.8 19 18 294.2 294.2 279.1 295.0 0.23 19 500 5420 -31.1 -39.1 45 8.0 -31.8 20 18 295.1 295.2 279.6 296.0 0.26 20 466 5917 -35.5 -42.5 49 7.0 -36.0 17 20 295.7 295.7 279.7 296.3 0.19 21 456 6069 -36.7 -43.7 48 7.0 -37.1 16 20 296.0 296.0 279.8 296.6 0.17 22 447 6208 -37.3 -56.3 12 19.0 -38.0 15 21 296.9 296.9 280.0 297.1 0.04 23 400 6970 -42.7 -54.7 26 12.0 -43.1 10 24 299.5 299.5 281.2 299.7 0.06 24 342 8005 -50.7 -60.7 30 10.0 -50.9 15 25 302.3 302.3 282.4 302.5 0.03 25 327 8297 -49.7 -70.7 7 21.0 -50.0 17 25 307.6 307.6 284.4 307.7 0.01 26 300 8860 -49.5 -72.5 5 23.0 -49.8 20 25 315.6 315.6 287.3 315.6 0.01 27 250 10050 -48.5 -79.5 2 31.0 -49.0 5 22 334.0 334.0 292.8 334.0 0.00 28 200 11530 -46.5 -81.5 1 35.0 -47.2 340 24 359.1 359.1 298.5 359.1 0.00 29 171 12565 -45.7 -81.7 1 36.0 -46.6 335 18 376.9 376.9 301.8 376.9 0.00 30 170 12604 -45.7 -81.7 1 36.0 -46.6 334 18 377.6 377.6 301.9 377.6 0.00 31 150 13430 -47.7 -82.7 1 35.0 -48.5 330 13 387.9 387.9 303.5 387.9 0.00 32 100 16110 -48.1 -84.1 1 36.0 -49.3 270 12 434.8 434.8 309.3 434.8 0.00 33 70 18450 -49.1 -85.1 1 36.0 -50.5 15 5 479.3 479.3 313.4 479.4 0.00 34 50 20670 -49.5 -84.5 1 35.0 -51.3 190 12 526.8 526.8 316.7 526.9 0.01 35 33 23390 -49.9 -85.9 1 36.0 -52.3 592.2 592.2 320.3 592.3 0.01 TRP 342 8005 -50.7 -60.7 30 10.0 -50.9 15 25 302.3 302.3 282.4 302.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5240.00 m Freezing level: 994.74 mb = 223.37 m = 732.83 ft Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 37.35 % Est. max temperature: 4.20 C = 39.57 F Sfc-Lift cond lev (LCL): 946.14 mb = 618.86 m = 2030.36 ft T: -3.65 C 700-500 lapse rate: 7.20 C/km ThetaE index: 1.69 C Layer 925.0- 850.0 mb Conv cond level (CCL): 919.92 mb = 841.07 m = 2759.38 ft Mean mixing ratio: 2.72 g/kg Conv temperature: 2.18 C = 35.92 F Cap Strength: 11.65 C Lifted Index: 11.95 C Risk: None Lifted Index @300 mb: 24.43 C Lifted Index @700 mb: 8.54 C Showalter Index: 12.59 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 13.40 C K Index: -24.30 Risk: None Sweat Index: 36.00 Risk: None Energy Index: 3.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.86 J/kg Max Up Vert Vel: 1.93 m/s Conv Inhibition (B-): 2.04 J/kg Cap Strength: 11.92 C Lift Cond Lev (LCL): 923.70 mb = 808.96 m = 2654.05 ft Lev Free Conv (LFC): 908.70 mb = 937.06 m = 3074.30 ft Equ Level (EL): 898.70 mb = 1023.62 m = 3358.31 ft B at Equ Level: 1.25 J/kg Max Parcel Lev (MPL): 888.70 mb = 1110.91 m = 3644.66 ft Wind level data Storm motion: 51 at 13 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 52 15 9 -2.3 -8.7 | 272 8 8.2 -0.3 1 1000 180 15 25 -6.5 -24.1 | 346 16 4.0 -15.8 2 925 798 35 25 -14.3 -20.5 | 18 13 -3.8 -12.1 3 850 1457 40 9 -5.8 -6.9 | 252 5 4.7 1.5 4 700 2947 15 19 -4.9 -18.4 | 331 11 5.6 -10.0 5 500 5420 20 18 -6.2 -16.9 | 333 10 4.3 -8.5 6 400 6970 10 24 -4.2 -23.6 | 337 17 6.3 -15.2 7 342 8005 15 25 -6.5 -24.1 | 346 16 4.0 -15.8 8 300 8860 20 25 -8.6 -23.5 | 353 15 2.0 -15.1 9 250 10050 5 22 -1.9 -21.9 | 328 16 8.6 -13.5 10 200 11530 340 24 8.2 -22.6 | 307 23 18.7 -14.2 11 150 13430 330 13 6.5 -11.3 | 280 17 17.0 -2.9 12 100 16110 270 12 12.0 -0.0 | 250 24 22.5 8.4 13 70 18450 15 5 -1.3 -4.8 | 249 10 9.2 3.6 14 50 20670 190 12 2.1 11.8 | 212 24 12.6 20.2 Wind Parameters Mean winds (0-6000m): 21.4 at 17.9 knts Storm direction: 51.4 at 13.4 knts Shear (0-3000m) pos: 0.7 neg: 1.8 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 58.7 deg Storm rel helicity (0-3000m) pos: 72.0 neg: -10.8 tot: 61.2 m^2/s^2 ave: 20.4 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.59 Bulk Shear: 3.15 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 20 23 348 13| 16.8 0.0 16.8| 51.5 0.0 51.5 102.9 0.89| 21.9 19.4 1000 27 23 359 12| 5.7 0.0 5.7| 61.9 -3.3 58.6 58.6 0.67| 15.7 10.5 1500 29 20 354 9| 1.3 0.0 1.3| 62.5 -10.8 51.7 34.5 0.32| 14.1 4.6 2000 30 18 346 7| 1.0 1.0 1.9| 66.7 -10.8 55.9 27.9 0.38| 11.5 4.3 2500 28 17 340 7| 0.8 1.6 2.4| 70.3 -10.8 59.5 23.8 0.39| 10.0 3.9 3000 26 17 337 8| 0.7 1.8 2.5| 72.0 -10.8 61.2 20.4 0.38| 9.0 3.4 4000 23 18 335 9| 0.6 1.4 2.0| 72.6 -10.8 61.8 15.4 0.38| 6.8 2.6 5000 22 18 335 9| 0.5 1.1 1.6| 73.0 -10.8 62.2 12.4 0.37| 5.5 2.1 6000 21 18 334 9| 0.4 1.1 1.6| 75.0 -10.8 64.2 10.7 0.37| 4.9 1.8 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250417.23.gif