UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041811.upa.cvt Date: 1100Z 18 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 18 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 1021 52 6.4 -4.6 45 11.0 2.1 40 7 277.9 278.3 274.2 285.3 2.66 1 1019 67 3.8 -5.2 52 9.0 0.4 41 7 275.5 275.9 272.6 282.5 2.54 2 1000 211 2.4 -6.6 51 9.0 -0.8 55 12 275.5 275.9 272.3 282.0 2.33 3 925 835 -2.5 -9.5 59 7.0 -4.8 125 13 276.8 277.1 272.5 282.4 2.01 4 868 1336 -6.3 -12.3 62 6.0 -8.1 102 15 277.9 278.2 272.8 282.8 1.71 5 852 1482 -6.1 -16.1 45 10.0 -8.8 96 15 279.6 279.8 273.1 283.3 1.28 6 850 1500 -6.3 -16.3 45 10.0 -8.9 95 15 279.5 279.8 273.0 283.2 1.26 7 843 1565 -6.3 -18.3 38 12.0 -9.3 93 15 280.2 280.4 273.1 283.4 1.07 8 751 2456 -13.5 -19.5 61 6.0 -14.8 69 16 281.8 282.0 274.0 285.0 1.09 9 739 2579 -11.1 -38.1 9 27.0 -14.9 66 16 285.7 285.8 274.8 286.4 0.19 10 723 2747 -10.9 -47.9 3 37.0 -15.0 62 17 287.7 287.8 275.6 288.0 0.07 11 700 2995 -12.3 -41.3 7 29.0 -16.0 55 17 288.9 288.9 276.3 289.4 0.15 12 646 3606 -14.9 -44.9 6 30.0 -18.3 45 20 292.6 292.6 278.2 293.0 0.11 13 511 5334 -28.9 -38.9 38 10.0 -29.9 18 29 296.0 296.0 279.9 296.8 0.26 14 500 5490 -29.7 -40.7 34 11.0 -30.7 15 30 296.8 296.9 280.3 297.6 0.22 15 418 6747 -36.7 -43.7 48 7.0 -37.2 3 37 303.4 303.5 283.0 304.1 0.19 16 414 6813 -37.1 -47.1 35 10.0 -37.7 2 38 303.8 303.8 283.1 304.2 0.13 17 406 6948 -37.5 -54.5 15 17.0 -38.2 1 38 305.0 305.0 283.5 305.2 0.06 18 400 7050 -38.3 -54.3 17 16.0 -39.0 360 39 305.2 305.2 283.5 305.4 0.06 19 354 7880 -44.9 -52.9 40 8.0 -45.2 2 38 307.2 307.2 284.4 307.5 0.08 20 320 8549 -49.3 -60.3 27 11.0 -49.6 4 37 310.1 310.1 285.4 310.2 0.04 21 315 8652 -49.9 -55.9 49 6.0 -50.1 4 37 310.7 310.7 285.7 310.9 0.06 22 300 8970 -52.1 -60.1 38 8.0 -52.2 5 36 311.9 311.9 286.1 312.1 0.04 23 298 9013 -52.3 -60.3 38 8.0 -52.5 5 36 312.2 312.2 286.2 312.4 0.04 24 284 9321 -54.9 -59.1 60 4.2 -55.0 2 37 312.8 312.8 286.4 313.0 0.05 25 274 9549 -56.7 -61.0 58 4.3 -56.8 1 37 313.4 313.5 286.6 313.6 0.04 26 269 9665 -56.9 -64.9 36 8.0 -57.0 360 37 314.8 314.8 287.1 314.9 0.02 27 258 9929 -55.5 -70.5 14 15.0 -55.7 354 35 320.7 320.7 288.9 320.7 0.01 28 250 10130 -54.5 -73.5 8 19.0 -54.7 350 34 325.0 325.0 290.3 325.1 0.01 29 208 11315 -50.7 -81.7 1 31.0 -51.1 334 29 348.6 348.6 296.3 348.6 0.00 30 200 11570 -50.9 -81.9 1 31.0 -51.4 330 28 352.2 352.2 297.1 352.2 0.00 31 150 13460 -48.5 -82.5 1 34.0 -49.3 285 13 386.5 386.5 303.3 386.5 0.00 32 138 14010 -47.3 -82.3 1 35.0 -48.2 278 12 397.9 397.9 304.9 398.0 0.00 33 114 15265 -50.9 -83.9 1 33.0 -51.7 261 10 413.6 413.6 306.9 413.6 0.00 34 100 16120 -49.7 -83.7 1 34.0 -50.7 250 9 431.7 431.7 309.0 431.7 0.00 35 70 18450 -50.1 -85.1 1 35.0 -51.4 10 1 477.2 477.2 313.2 477.2 0.00 36 50 20660 -50.3 -85.3 1 35.0 -52.0 195 6 524.9 524.9 316.6 525.0 0.01 37 43 21646 -49.7 -84.7 1 35.0 -51.7 549.6 549.6 318.1 549.6 0.01 TRP 269 9665 -56.9 -64.9 36 8.0 -57.0 360 37 314.8 314.8 287.1 314.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5279.00 m Freezing level: 963.27 mb = 516.63 m = 1694.97 ft Wetbulb zero: 1012.36 mb = 117.07 m = 384.08 ft Precipitable water: 0.21 inches Sfc-500 mean rel hum: 33.00 % Est. max temperature: 6.32 C = 43.38 F Sfc-Lift cond lev (LCL): 861.67 mb = 1393.34 m = 4571.26 ft T: -6.22 C 700-500 lapse rate: 6.97 C/km ThetaE index: 3.29 C Layer 1019.0- 925.0 mb Conv cond level (CCL): 791.43 mb = 2051.57 m = 6730.79 ft Mean mixing ratio: 2.22 g/kg Conv temperature: 9.63 C = 49.33 F Cap Strength: 11.86 C Lifted Index: 12.41 C Risk: None Lifted Index @300 mb: 21.01 C Lifted Index @700 mb: 8.66 C Showalter Index: 11.71 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 13.40 C K Index: -21.90 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 3.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.89 J/kg Max Up Vert Vel: 2.40 m/s Conv Inhibition (B-): 40677.92 J/kg Cap Strength: 12.24 C Lift Cond Lev (LCL): 853.69 mb = 1466.08 m = 4809.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 74 at 15 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 1021 52 40 7 -4.5 -5.4 | 277 10 9.9 -1.2 1 1000 211 55 12 -9.8 -6.9 | 301 5 4.5 -2.7 2 925 835 125 13 -10.6 7.5 | 198 12 3.7 11.6 3 850 1500 95 15 -14.9 1.3 | 174 6 -0.6 5.5 4 700 2995 55 17 -13.9 -9.8 | 355 6 0.4 -5.6 5 500 5490 15 30 -7.8 -29.0 | 345 26 6.6 -24.8 6 400 7050 360 39 -0.0 -39.0 | 338 38 14.4 -34.8 7 300 8970 5 36 -3.1 -35.9 | 340 34 11.2 -31.7 8 269 9665 360 37 -0.0 -37.0 | 336 36 14.4 -32.8 9 250 10130 350 34 5.9 -33.5 | 325 36 20.3 -29.3 10 200 11570 330 28 14.0 -24.2 | 305 35 28.4 -20.1 11 150 13460 285 13 12.6 -3.4 | 268 27 26.9 0.8 12 100 16120 250 9 8.5 3.1 | 252 24 22.8 7.3 13 70 18450 10 1 -0.2 -1.0 | 257 15 14.2 3.2 14 50 20660 195 6 1.6 5.8 | 238 19 15.9 10.0 Wind Parameters Mean winds (0-6000m): 43.8 at 19.9 knts Storm direction: 73.8 at 15.0 knts Shear (0-3000m) pos: 2.3 neg: 2.8 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 79.8 deg Storm rel helicity (0-3000m) pos: 5.9 neg: -18.0 tot: -12.1 m^2/s^2 ave: -4.0 10^-3 m/s^2 rel: -0.33 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 14.82 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 67 11 273 4| 10.4 0.0 10.4| 5.1 -4.9 0.2 0.4 -0.24| 14.0 -3.3 1000 93 12 204 5| 7.0 0.0 7.0| 5.9 -9.1 -3.2 -3.2 -0.20| 11.7 -2.4 1500 97 13 195 6| 4.7 1.9 6.6| 5.9 -14.2 -8.3 -5.5 -0.25| 9.7 -2.4 2000 94 14 190 5| 3.5 2.3 5.8| 5.9 -15.6 -9.7 -4.8 -0.27| 8.2 -2.2 2500 89 14 185 4| 2.8 2.6 5.4| 5.9 -16.8 -10.8 -4.3 -0.33| 7.4 -2.4 3000 83 15 179 2| 2.3 2.8 5.1| 5.9 -18.0 -12.1 -4.0 -0.33| 6.8 -2.2 4000 71 16 28 1| 1.8 3.0 4.8| 6.7 -19.3 -12.6 -3.2 -0.28| 6.1 -1.7 5000 57 18 5 6| 1.4 3.2 4.7| 6.7 -32.0 -25.3 -5.1 -0.28| 5.8 -1.6 6000 44 20 357 10| 1.2 3.4 4.5| 6.7 -51.7 -45.0 -7.5 -0.29| 5.5 -1.6 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250418.11.gif