UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120623.upa.cvt Date: 2300Z 6 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 6 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 26 60 11 SFC 998 52 4.6 -0.4 70 5.0 2.5 60 11 277.9 278.5 275.7 288.2 3.72 2 991 109 5.8 -2.2 56 8.0 2.5 64 13 279.7 280.2 276.0 288.8 3.28 3 925 662 3.2 -3.8 60 7.0 0.4 105 28 282.6 283.1 277.4 291.4 3.12 4 859 1257 -1.3 -7.3 64 6.0 -3.5 74 11 283.9 284.4 277.3 291.3 2.57 5 850 1341 -1.7 -8.7 59 7.0 -4.1 70 9 284.4 284.8 277.2 291.1 2.33 6 838 1454 -1.7 -12.7 43 11.0 -5.2 70 10 285.5 285.8 276.9 290.6 1.72 7 837 1464 -1.7 -12.7 43 11.0 -5.2 70 10 285.6 285.9 277.0 290.7 1.72 8 740 2429 -9.3 -16.3 57 7.0 -11.2 74 22 287.6 287.8 277.6 291.9 1.44 9 709 2759 -11.1 -29.1 21 18.0 -14.4 75 26 289.1 289.2 277.0 290.7 0.49 10 700 2857 -11.7 -28.7 23 17.0 -14.9 75 27 289.5 289.6 277.2 291.2 0.51 11 662 3281 -15.5 -25.5 42 10.0 -17.4 74 27 289.9 290.0 277.7 292.2 0.72 12 648 3442 -16.9 -31.9 26 15.0 -19.2 74 27 290.1 290.2 277.4 291.4 0.41 13 632 3630 -18.1 -24.1 59 6.0 -19.3 73 26 290.8 291.0 278.4 293.5 0.86 14 615 3833 -19.3 -26.3 54 7.0 -20.5 73 26 291.7 291.8 278.6 294.0 0.73 15 613 3857 -19.3 -28.3 45 9.0 -20.8 73 26 292.0 292.1 278.6 293.9 0.61 16 611 3881 -18.5 -39.5 14 21.0 -21.0 73 26 293.2 293.2 278.6 293.9 0.20 17 609 3906 -18.1 -33.1 26 15.0 -20.3 73 26 293.9 294.0 279.1 295.2 0.39 18 601 4004 -18.7 -29.7 37 11.0 -20.5 73 26 294.3 294.4 279.6 296.1 0.54 19 500 5350 -28.3 -42.3 25 14.0 -29.5 70 25 298.5 298.6 281.0 299.2 0.18 20 464 5880 -33.3 -44.3 32 11.0 -34.1 60 22 298.8 298.8 281.0 299.3 0.16 21 417 6623 -37.1 -64.1 4 27.0 -37.9 46 18 303.1 303.1 282.7 303.2 0.02 22 400 6910 -37.5 -66.5 3 29.0 -38.4 40 17 306.3 306.3 283.9 306.3 0.01 23 370 7444 -40.3 -62.3 8 22.0 -41.0 26 17 309.4 309.4 285.1 309.5 0.02 24 300 8840 -50.9 -61.9 26 11.0 -51.1 350 17 313.6 313.6 286.6 313.7 0.03 25 261 9730 -57.3 -66.3 31 9.0 -57.4 327 25 317.0 317.0 287.8 317.0 0.02 26 250 10000 -59.5 -66.5 40 7.0 -59.6 320 27 317.6 317.6 288.0 317.7 0.02 27 232 10465 -62.9 -68.9 44 6.0 -63.0 310 27 319.3 319.3 288.5 319.4 0.02 28 216 10910 -59.3 -74.3 13 15.0 -59.5 281 21 331.5 331.5 292.1 331.5 0.01 29 200 11390 -61.5 -78.5 9 17.0 -61.6 250 15 335.4 335.4 293.2 335.4 0.00 30 177 12152 -58.3 -82.3 3 24.0 -58.5 252 14 352.5 352.5 297.2 352.6 0.00 31 150 13190 -59.1 -84.1 3 25.0 -59.3 255 12 368.3 368.3 300.2 368.3 0.00 32 100 15720 -59.9 -85.9 2 26.0 -60.2 245 32 412.0 412.0 306.7 412.0 0.00 33 70 17930 -64.5 -87.5 3 23.0 -64.7 250 30 446.4 446.4 310.5 446.4 0.00 34 50 19970 -66.9 -89.9 3 23.0 -67.1 275 33 485.8 485.8 313.9 485.8 0.00 35 42 21016 -68.9 -90.9 3 22.0 -69.1 285 39 505.7 505.7 315.4 505.7 0.00 36 39 21462 -66.1 -90.1 2 24.0 -66.4 290 42 523.6 523.6 316.5 523.7 0.00 37 30 23050 -66.3 -91.3 2 25.0 -66.7 305 52 563.9 563.9 318.9 563.9 0.00 38 29 23254 -65.9 -90.9 2 25.0 -66.4 305 52 570.5 570.5 319.2 570.5 0.00 39 20 25480 -69.5 -92.5 2 23.0 -69.9 300 54 623.4 623.4 321.6 623.5 0.00 40 19 25785 -70.9 -92.9 2 22.0 -71.2 628.3 628.3 321.8 628.3 0.00 41 17 26447 -68.7 -92.7 2 24.0 -69.2 655.7 655.7 322.9 655.7 0.00 42 11 29012 -75.3 -95.3 3 20.0 -75.6 718.6 718.6 325.0 718.6 0.00 TRP 232 10465 -62.9 -68.9 44 6.0 -63.0 310 27 319.3 319.3 288.5 319.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5324.00 m Freezing level: 878.07 mb = 1085.17 m = 3560.24 ft Wetbulb zero: 918.66 mb = 717.27 m = 2353.21 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 43.61 % Est. max temperature: 11.24 C = 52.24 F Sfc-Lift cond lev (LCL): 923.89 mb = 671.67 m = 2203.61 ft T: 3.13 C 700-500 lapse rate: 6.66 C/km ThetaE index: 1.23 C Layer 709.0- 700.0 mb Conv cond level (CCL): 782.82 mb = 1988.34 m = 6523.33 ft Mean mixing ratio: 3.16 g/kg Conv temperature: 13.40 C = 56.11 F Cap Strength: 5.77 C Lifted Index: 7.66 C Risk: None Lifted Index @300 mb: 16.52 C Lifted Index @700 mb: 3.66 C Showalter Index: 7.07 C Risk: None Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.60 C Cross Totals Index: 19.60 C K Index: 0.90 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 1.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.94 J/kg Max Up Vert Vel: 4.89 m/s Conv Inhibition (B-): 51831.96 J/kg Cap Strength: 7.48 C Lift Cond Lev (LCL): 846.22 mb = 1376.42 m = 4515.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 105 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 ---------------------------------------------------------- 0 998 52 60 11 -9.5 -5.5 | 327 12 6.6 -9.9 1 925 662 105 28 -27.0 7.2 | 104 11 -11.0 2.8 2 850 1341 70 9 -8.5 -3.1 | 315 11 7.6 -7.5 3 700 2857 75 27 -26.1 -7.0 | 41 15 -10.0 -11.4 4 500 5350 70 25 -23.5 -8.6 | 30 15 -7.4 -13.0 5 400 6910 40 17 -10.9 -13.0 | 344 18 5.2 -17.5 6 300 8840 350 17 3.0 -16.7 | 318 28 19.0 -21.2 7 250 10000 320 27 17.4 -20.7 | 307 42 33.4 -25.1 8 232 10465 310 27 20.7 -17.4 | 301 43 36.8 -21.8 9 200 11390 250 15 14.1 5.1 | 269 30 30.2 0.7 10 150 13190 255 12 11.6 3.1 | 273 28 27.7 -1.3 11 100 15720 245 32 29.0 13.5 | 259 46 45.1 9.1 12 70 17930 250 30 28.2 10.3 | 262 45 44.3 5.8 13 50 19970 275 33 32.9 -2.9 | 278 50 49.0 -7.3 14 30 23050 305 52 42.6 -29.8 | 300 68 58.7 -34.3 15 20 25480 300 54 46.8 -27.0 | 297 70 62.9 -31.4 Wind Parameters Mean winds (0-6000m): 75.4 at 22.3 knts Storm direction: 105.4 at 16.7 knts Shear (0-3000m) pos: 5.3 neg: 2.7 tot: 7.9 10-3/s Storm rel Dir Shear (0-3000m): 73.7 deg Storm rel helicity (0-3000m) pos: 93.4 neg: -37.1 tot: 56.3 m^2/s^2 ave: 18.8 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.08 Bulk Shear: 5.75 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 90 18 22 5| 17.9 0.0 17.9| 38.9 0.0 38.9 77.7 0.94| 18.9 17.7 1000 95 21 59 5| 9.0 4.6 13.6| 48.5 -21.3 27.2 27.2 0.27| 18.5 4.9 1500 93 18 26 4| 6.0 5.3 11.3| 54.4 -36.3 18.1 12.1 0.09| 16.1 1.5 2000 88 17 10 5| 5.7 4.0 9.7| 69.1 -36.3 32.8 16.4 0.20| 13.6 2.7 2500 85 18 14 6| 5.7 3.2 8.8| 84.0 -36.3 47.8 19.1 0.26| 12.1 3.2 3000 83 19 21 7| 5.3 2.7 7.9| 93.4 -37.1 56.3 18.8 0.28| 10.8 3.1 4000 80 21 28 9| 3.9 2.1 6.1| 93.4 -41.9 51.4 12.9 0.26| 8.2 2.1 5000 78 22 30 11| 3.2 1.8 5.0| 93.4 -46.7 46.7 9.3 0.24| 6.7 1.6 6000 75 22 28 11| 2.6 2.1 4.8| 93.4 -74.4 18.9 3.2 0.12| 6.2 0.7 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251206.23.gif