UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042123.upa.cvt Date: 2300Z 21 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 21 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 1013 52 2.6 -2.4 70 5.0 0.6 340 2 274.7 275.3 273.1 283.4 3.16 1 1011 66 5.4 -2.6 56 8.0 2.1 342 2 277.7 278.2 274.8 286.3 3.12 2 1009 81 5.6 -5.4 45 11.0 1.4 345 2 278.0 278.5 274.1 285.1 2.53 3 1000 147 5.2 -7.8 38 13.0 0.5 355 3 278.4 278.7 273.6 284.4 2.12 4 925 777 -0.7 -6.7 64 6.0 -2.9 125 7 278.6 279.0 274.3 285.6 2.50 5 850 1444 -6.9 -8.5 88 1.6 -7.4 50 3 278.9 279.3 274.3 285.6 2.36 6 846 1481 -7.1 -8.1 93 1.0 -7.4 50 3 279.1 279.5 274.6 286.0 2.45 7 823 1696 -6.5 -18.5 38 12.0 -9.5 51 5 281.9 282.1 274.1 285.1 1.08 8 811 1810 -6.7 -18.7 38 12.0 -9.7 51 6 282.9 283.1 274.6 286.1 1.08 9 805 1868 -7.3 -18.3 41 11.0 -10.1 51 7 282.9 283.1 274.7 286.2 1.12 10 801 1907 -6.7 -30.7 13 24.0 -11.1 52 7 283.9 284.0 274.0 285.1 0.37 11 794 1976 -6.1 -21.1 29 15.0 -9.7 52 8 285.3 285.4 275.6 288.0 0.89 12 764 2276 -7.3 -20.3 35 13.0 -10.5 53 10 287.1 287.3 276.7 290.2 1.00 13 730 2630 -8.7 -31.7 14 23.0 -12.8 54 13 289.4 289.4 276.9 290.6 0.37 14 721 2726 -9.1 -22.1 34 13.0 -12.2 54 14 289.9 290.1 278.0 292.7 0.90 15 709 2856 -9.5 -36.5 9 27.0 -13.7 55 15 290.9 290.9 277.5 291.7 0.24 16 700 2954 -10.3 -29.3 19 19.0 -13.9 55 16 291.1 291.2 278.0 292.6 0.48 17 672 3268 -11.9 -25.9 30 14.0 -14.8 52 15 292.7 292.8 279.0 294.9 0.69 18 644 3594 -12.7 -42.7 6 30.0 -16.6 49 14 295.4 295.4 279.5 295.9 0.14 19 635 3701 -13.1 -36.1 13 23.0 -16.7 48 14 296.1 296.2 280.0 297.0 0.28 20 555 4714 -20.5 -32.5 33 12.0 -22.3 38 11 299.0 299.1 281.5 300.5 0.45 21 500 5480 -25.5 -46.5 12 21.0 -27.3 30 9 301.9 302.0 282.3 302.4 0.12 22 429 6573 -33.3 -52.3 13 19.0 -34.4 16 12 305.5 305.5 283.7 305.8 0.07 23 400 7060 -37.5 -50.5 25 13.0 -38.2 10 14 306.3 306.3 284.0 306.6 0.09 24 369 7608 -42.9 -50.9 41 8.0 -43.2 350 11 306.2 306.2 284.0 306.6 0.10 25 365 7681 -43.1 -61.1 12 18.0 -43.6 348 11 306.9 306.9 284.2 307.0 0.03 26 343 8095 -46.3 -57.3 28 11.0 -46.6 333 9 308.1 308.1 284.7 308.2 0.05 27 302 8927 -51.5 -64.5 20 13.0 -51.7 302 5 312.2 312.2 286.1 312.3 0.02 28 300 8970 -51.3 -65.3 17 14.0 -51.5 300 5 313.0 313.0 286.4 313.1 0.02 29 294 9102 -51.3 -70.3 9 19.0 -51.6 297 8 314.9 314.9 287.1 314.9 0.01 30 255 10023 -55.1 -67.1 21 12.0 -55.3 275 27 322.3 322.3 289.5 322.4 0.02 31 250 10150 -53.5 -70.5 11 17.0 -53.7 265 22 326.5 326.5 290.7 326.6 0.01 32 248 10202 -52.3 -72.3 7 20.0 -52.6 265 22 329.1 329.1 291.5 329.1 0.01 33 238 10466 -54.5 -73.5 8 19.0 -54.7 267 21 329.6 329.6 291.6 329.7 0.01 34 201 11557 -49.9 -80.9 1 31.0 -50.4 275 17 353.2 353.2 297.3 353.3 0.00 35 200 11590 -50.1 -81.1 1 31.0 -50.6 275 17 353.4 353.4 297.4 353.4 0.00 36 190 11925 -51.5 -81.5 2 30.0 -52.0 268 16 356.4 356.4 298.0 356.4 0.00 37 175 12463 -48.1 -81.1 1 33.0 -48.8 256 15 370.5 370.5 300.7 370.5 0.00 38 150 13480 -48.5 -81.5 1 33.0 -49.3 235 13 386.5 386.5 303.3 386.5 0.00 39 143 13794 -47.3 -81.3 1 34.0 -48.2 234 13 393.9 393.9 304.3 393.9 0.00 40 100 16130 -51.3 -84.3 1 33.0 -52.1 225 11 428.6 428.6 308.7 428.6 0.00 41 94 16533 -48.9 -82.9 1 34.0 -50.0 228 10 441.0 441.0 310.0 441.0 0.00 42 70 18460 -49.9 -83.9 1 34.0 -51.2 240 5 477.6 477.6 313.2 477.7 0.00 43 51 20512 -52.3 -85.3 1 33.0 -53.7 184 10 517.3 517.3 316.1 517.3 0.01 44 50 20640 -52.1 -85.1 1 33.0 -53.5 180 10 520.7 520.7 316.4 520.7 0.01 45 30 23970 -50.5 -84.5 1 34.0 -52.9 0 0 607.0 607.0 320.9 607.0 0.01 46 20 26610 -49.7 -84.7 1 35.0 -53.3 50 6 684.0 684.1 323.9 684.2 0.02 47 17 27676 -48.7 -83.7 1 35.0 -53.0 719.8 719.8 325.1 720.0 0.02 48 12 29957 -50.5 -85.5 1 35.0 -55.2 788.8 788.8 327.0 789.0 0.02 TRP 255 10023 -55.1 -67.1 21 12.0 -55.3 275 27 322.3 322.3 289.5 322.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5333.00 m Freezing level: 933.90 mb = 702.25 m = 2303.96 ft Wetbulb zero: 989.03 mb = 236.14 m = 774.73 ft Precipitable water: 0.25 inches Sfc-500 mean rel hum: 35.37 % Est. max temperature: 6.75 C = 44.15 F Sfc-Lift cond lev (LCL): 937.38 mb = 669.57 m = 2196.71 ft T: 0.31 C 700-500 lapse rate: 6.02 C/km ThetaE index: 1.98 C Layer 1009.0- 925.0 mb Conv cond level (CCL): 681.62 mb = 3158.58 m = 10362.67 ft Mean mixing ratio: 2.36 g/kg Conv temperature: 20.07 C = 68.13 F Cap Strength: 12.88 C Lifted Index: 14.50 C Risk: None Lifted Index @300 mb: 19.87 C Lifted Index @700 mb: 8.66 C Showalter Index: 14.06 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 17.00 C K Index: -8.90 Risk: None Sweat Index: 15.00 Risk: None Energy Index: 3.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.92 J/kg Max Up Vert Vel: 1.96 m/s Conv Inhibition (B-): 68726.21 J/kg Cap Strength: 14.32 C Lift Cond Lev (LCL): 834.26 mb = 1589.76 m = 5215.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 80 at 7 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 1013 52 340 2 0.7 -1.9 | 274 8 7.9 -0.6 1 1000 147 355 3 0.3 -3.0 | 283 8 7.5 -1.7 2 925 777 125 7 -5.7 4.0 | 196 6 1.5 5.3 3 850 1444 50 3 -2.3 -1.9 | 277 5 4.9 -0.6 4 700 2954 55 16 -13.1 -9.2 | 37 10 -5.9 -7.9 5 500 5480 30 9 -4.5 -7.8 | 337 7 2.7 -6.5 6 400 7060 10 14 -2.4 -13.8 | 339 13 4.8 -12.5 7 300 8970 300 5 4.3 -2.5 | 276 12 11.5 -1.2 8 255 10023 275 27 26.9 -2.4 | 272 34 34.1 -1.1 9 250 10150 265 22 21.9 1.9 | 264 29 29.1 3.2 10 200 11590 275 17 16.9 -1.5 | 270 24 24.2 -0.2 11 150 13480 235 13 10.6 7.5 | 244 20 17.9 8.8 12 100 16130 225 11 7.8 7.8 | 239 18 15.0 9.1 13 70 18460 240 5 4.3 2.5 | 252 12 11.5 3.8 14 50 20640 180 10 0.0 10.0 | 213 13 7.2 11.3 15 30 23970 0 0 -0.0 -0.0 | 260 7 7.2 1.3 16 20 26610 50 6 -4.6 -3.9 | 314 4 2.6 -2.6 Wind Parameters Mean winds (0-6000m): 49.8 at 9.8 knts Storm direction: 79.8 at 7.3 knts Shear (0-3000m) pos: 2.8 neg: 0.6 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 120.6 deg Storm rel helicity (0-3000m) pos: 20.8 neg: -3.3 tot: 17.5 m^2/s^2 ave: 5.8 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.42 Bulk Shear: 4.63 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 43 4 289 5| 6.4 0.0 6.4| 4.8 -0.9 3.9 7.8 0.14| 8.2 1.2 1000 102 5 224 3| 3.3 0.0 3.3| 6.4 -2.5 4.0 4.0 0.01| 8.1 0.1 1500 97 5 234 3| 2.2 1.3 3.5| 9.1 -2.5 6.7 4.5 0.16| 7.1 1.1 2000 80 5 260 2| 2.4 1.0 3.4| 13.1 -2.5 10.7 5.3 0.30| 6.4 1.9 2500 69 6 302 2| 2.7 0.8 3.5| 17.2 -2.5 14.8 5.9 0.36| 6.0 2.2 3000 64 8 347 2| 2.8 0.6 3.4| 20.8 -3.3 17.5 5.8 0.36| 5.7 2.0 4000 58 9 9 4| 2.1 0.9 3.0| 20.8 -11.4 9.4 2.4 0.23| 4.7 1.1 5000 54 10 8 5| 1.7 1.0 2.7| 20.8 -18.0 2.7 0.5 0.13| 4.1 0.5 6000 50 10 3 5| 1.4 1.0 2.4| 21.6 -20.5 1.1 0.2 0.10| 3.7 0.4 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250421.23.gif