UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120411.upa.cvt Date: 1100Z 4 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 4 DEC 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 33 40 8 SFC 999 52 -0.7 -4.0 78 3.3 -1.9 40 8 272.5 273.0 271.3 280.3 2.84 2 993 100 2.4 -3.6 65 6.0 0.1 43 9 276.1 276.6 273.6 284.3 2.95 3 968 301 1.4 -7.6 51 9.0 -1.7 56 15 277.1 277.5 273.1 283.4 2.23 4 925 659 -1.5 -8.5 59 7.0 -3.8 80 25 277.8 278.1 273.4 283.9 2.17 5 850 1328 -5.5 -11.5 63 6.0 -7.3 100 10 280.4 280.7 274.4 285.7 1.86 6 802 1781 -8.7 -14.7 62 6.0 -10.4 87 9 281.7 281.9 274.6 286.1 1.52 7 789 1908 -8.5 -18.5 44 10.0 -11.0 83 8 283.2 283.4 274.9 286.6 1.13 8 721 2599 -13.9 -23.9 43 10.0 -15.9 62 7 284.7 284.8 275.1 287.0 0.77 9 700 2823 -15.3 -24.3 46 9.0 -17.0 55 6 285.5 285.7 275.6 287.9 0.76 10 612 3823 -23.7 -28.7 63 5.0 -24.4 127 7 287.1 287.2 276.1 288.9 0.58 11 559 4482 -26.5 -39.5 28 13.0 -27.8 175 7 291.3 291.3 277.7 292.0 0.22 12 500 5280 -32.1 -48.1 19 16.0 -33.1 235 8 293.9 293.9 278.7 294.2 0.10 13 455 5935 -38.1 -51.1 24 13.0 -38.7 260 13 294.4 294.4 278.9 294.7 0.08 14 436 6226 -39.3 -63.3 6 24.0 -40.0 272 15 296.5 296.5 279.8 296.6 0.02 15 400 6810 -42.7 -65.7 6 23.0 -43.2 295 19 299.5 299.5 281.1 299.5 0.01 16 347 7761 -46.7 -71.7 4 25.0 -47.1 302 27 306.5 306.5 284.0 306.5 0.01 17 300 8710 -54.5 -74.5 7 20.0 -54.7 310 36 308.5 308.5 284.8 308.5 0.01 18 296 8796 -55.3 -74.3 8 19.0 -55.5 308 35 308.6 308.6 284.8 308.6 0.01 19 265 9495 -59.3 -75.3 11 16.0 -59.4 295 25 312.7 312.7 286.3 312.7 0.01 20 250 9860 -59.5 -73.5 15 14.0 -59.6 285 16 317.6 317.6 288.0 317.6 0.01 21 228 10433 -61.1 -76.1 12 15.0 -61.2 285 18 323.6 323.6 289.9 323.7 0.01 22 200 11250 -58.9 -81.9 4 23.0 -59.1 285 22 339.5 339.5 294.2 339.5 0.00 23 181 11875 -57.5 -82.5 3 25.0 -57.7 271 22 351.6 351.6 297.0 351.6 0.00 24 150 13050 -60.1 -85.1 2 25.0 -60.3 245 22 366.5 366.5 299.9 366.5 0.00 25 123 14283 -62.7 -86.7 3 24.0 -62.9 250 22 383.2 383.2 302.8 383.2 0.00 26 100 15560 -62.7 -88.7 2 26.0 -62.9 255 21 406.6 406.6 306.1 406.6 0.00 27 76 17234 -67.7 -88.7 3 21.0 -67.8 263 23 429.3 429.3 308.7 429.3 0.00 28 70 17730 -67.3 -89.3 3 22.0 -67.5 265 23 440.4 440.4 309.9 440.4 0.00 29 66 18086 -65.3 -89.3 2 24.0 -65.5 268 23 452.2 452.2 311.1 452.2 0.00 30 50 19770 -66.9 -90.9 2 24.0 -67.1 280 23 485.8 485.8 313.9 485.8 0.00 31 31 22634 -68.9 -92.9 2 24.0 -69.2 294 23 551.6 551.6 318.2 551.6 0.00 32 30 22830 -67.7 -92.7 2 25.0 -68.1 295 23 560.1 560.1 318.6 560.1 0.00 33 24 24172 -67.7 -93.7 1 26.0 -68.1 309 29 597.0 597.0 320.5 597.0 0.00 34 20 25260 -71.1 -95.1 2 24.0 -71.4 320 33 618.5 618.5 321.4 618.5 0.00 35 12 28251 -75.5 -96.5 2 21.0 -75.8 327 55 700.2 700.2 324.4 700.3 0.00 36 10 29320 -70.4 -95.9 1 25.5 -71.1 330 63 756.7 756.7 326.1 756.7 0.00 37 9.4 29689 -68.7 -95.7 1 27.0 -69.6 776.7 776.7 326.7 776.8 0.00 TRP 265 9495 -59.3 -75.3 11 16.0 -59.4 295 25 312.7 312.7 286.3 312.7 0.01 WND 10 29320 -70.4 -95.9 1 25.5 -71.1 330 63 756.7 756.7 326.1 756.7 0.00 Sounding variables and indices 1000-500 mb thick: 5247.00 m Freezing level: Surface below freezing Freezing level: 997.65 mb = 62.73 m = 205.80 ft Freezing level: 947.24 mb = 474.08 m = 1555.35 ft Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 48.23 % Est. max temperature: 7.18 C = 44.92 F Sfc-Lift cond lev (LCL): 948.68 mb = 460.10 m = 1509.49 ft T: 0.11 C 700-500 lapse rate: 6.84 C/km ThetaE index: 0.88 C Layer 968.0- 925.0 mb Conv cond level (CCL): 768.28 mb = 2111.79 m = 6928.38 ft Mean mixing ratio: 2.31 g/kg Conv temperature: 10.42 C = 50.76 F Cap Strength: 7.41 C Lifted Index: 8.90 C Risk: None Lifted Index @300 mb: 17.55 C Lifted Index @700 mb: 4.60 C Showalter Index: 7.37 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.60 C Cross Totals Index: 20.60 C K Index: 6.10 Risk: None Sweat Index: 28.00 Risk: None Energy Index: 1.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.78 J/kg Max Up Vert Vel: 4.42 m/s Conv Inhibition (B-): 53815.85 J/kg Cap Strength: 8.77 C Lift Cond Lev (LCL): 845.19 mb = 1372.19 m = 4501.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 116 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 ---------------------------------------------------------- 0 999 52 40 8 -5.1 -6.1 | 351 9 1.4 -9.4 1 925 659 80 25 -24.6 -4.3 | 67 20 -18.0 -7.6 2 850 1328 100 10 -9.8 1.7 | 65 4 -3.3 -1.5 3 700 2823 55 6 -4.9 -3.4 | 346 7 1.7 -6.7 4 500 5280 235 8 6.6 4.6 | 264 13 13.1 1.4 5 400 6810 295 19 17.2 -8.0 | 295 26 23.8 -11.3 6 300 8710 310 36 27.6 -23.1 | 308 43 34.2 -26.4 7 265 9495 295 25 22.7 -10.6 | 295 32 29.2 -13.8 8 250 9860 285 16 15.5 -4.1 | 288 23 22.0 -7.4 9 200 11250 285 22 21.3 -5.7 | 288 29 27.8 -8.9 10 150 13050 245 22 19.9 9.3 | 257 27 26.5 6.1 11 100 15560 255 21 20.3 5.4 | 265 27 26.9 2.2 12 70 17730 265 23 22.9 2.0 | 272 30 29.5 -1.2 13 50 19770 280 23 22.7 -4.0 | 284 30 29.2 -7.2 14 30 22830 295 23 20.8 -9.7 | 295 30 27.4 -12.9 15 20 25260 320 33 21.2 -25.3 | 316 40 27.8 -28.5 16 10 29320 330 63 31.5 -54.6 | 327 69 38.1 -57.8 Wind Parameters Mean winds (0-6000m): 86.1 at 9.8 knts Storm direction: 116.1 at 7.3 knts Shear (0-3000m) pos: 1.5 neg: 0.8 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 1.0 deg Storm rel helicity (0-3000m) pos: 76.1 neg: -9.6 tot: 66.4 m^2/s^2 ave: 22.1 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.82 Bulk Shear: 5.38 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 68 15 40 11| 16.4 0.0 16.4| 50.4 0.0 50.4 100.8 0.88| 17.1 15.0 1000 77 18 56 13| 6.6 0.0 6.6| 75.1 0.0 75.1 75.1 0.66| 15.5 10.3 1500 80 16 57 11| 2.7 0.0 2.7| 75.2 -2.3 72.9 48.6 0.47| 13.0 6.1 2000 81 14 54 9| 2.0 0.7 2.7| 75.2 -5.1 70.1 35.0 0.38| 10.4 4.0 2500 81 13 49 8| 1.6 1.0 2.6| 75.2 -8.1 67.1 26.8 0.32| 8.8 2.8 3000 80 12 43 7| 1.5 0.8 2.4| 76.1 -9.6 66.4 22.1 0.29| 7.8 2.3 4000 84 10 41 6| 2.0 0.6 2.6| 76.4 -10.3 66.1 16.5 0.21| 6.9 1.4 5000 86 10 39 5| 1.8 0.5 2.3| 86.7 -10.3 76.4 15.3 0.24| 6.5 1.6 6000 86 10 39 5| 1.6 0.4 2.0|109.5 -10.3 99.2 16.5 0.28| 6.3 1.8 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251204.11.gif