UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121323.upa.cvt Date: 2300Z 13 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 13 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 -239 SFC 966 52 2.6 0.6 87 2.0 1.7 20 6 278.5 279.2 276.6 289.9 4.13 2 961 93 3.0 0.5 84 2.5 1.9 21 6 279.3 280.0 277.0 290.7 4.12 3 925 394 2.8 -3.2 65 6.0 0.4 30 9 282.2 282.7 277.3 291.4 3.26 4 916 473 2.4 -2.6 70 5.0 0.3 33 8 282.6 283.1 277.8 292.3 3.44 5 850 1072 -2.3 -5.3 80 3.0 -3.4 60 4 283.7 284.3 277.9 292.4 3.03 6 848 1091 -2.5 -5.7 79 3.2 -3.7 60 4 283.7 284.2 277.7 292.1 2.94 7 840 1166 -1.7 -12.7 43 11.0 -5.2 60 4 285.3 285.6 276.9 290.4 1.71 8 826 1300 -1.9 -14.9 36 13.0 -5.8 61 5 286.5 286.7 277.1 290.8 1.45 9 806 1494 -2.7 -17.7 30 15.0 -6.9 61 5 287.7 287.9 277.3 291.2 1.18 10 803 1524 -2.7 -18.7 28 16.0 -7.1 61 5 288.0 288.2 277.3 291.3 1.09 11 700 2597 -9.9 -28.9 20 19.0 -13.6 65 9 291.5 291.6 278.2 293.1 0.50 12 699 2608 -9.9 -28.9 20 19.0 -13.6 65 9 291.6 291.7 278.3 293.3 0.50 13 686 2753 -10.7 -22.7 37 12.0 -13.5 67 9 292.3 292.5 279.1 295.1 0.90 14 681 2809 -11.1 -14.9 73 3.8 -12.2 68 9 292.5 292.8 280.4 297.8 1.76 15 663 3014 -12.9 -14.5 88 1.6 -13.3 71 10 292.7 293.0 280.6 298.4 1.87 16 653 3130 -13.3 -16.0 80 2.7 -14.0 72 10 293.5 293.8 280.7 298.7 1.68 17 645 3224 -12.5 -24.5 36 12.0 -15.1 74 10 295.5 295.6 280.5 298.1 0.81 18 613 3611 -15.3 -24.3 46 9.0 -17.2 79 11 296.6 296.7 281.1 299.4 0.87 19 583 3988 -17.9 -38.9 14 21.0 -20.6 84 12 297.8 297.9 280.7 298.6 0.23 20 533 4653 -22.7 -39.7 20 17.0 -24.6 93 13 299.8 299.9 281.6 300.6 0.23 21 526 4750 -22.9 -26.1 75 3.2 -23.5 95 13 300.7 300.9 282.8 303.5 0.86 22 500 5120 -25.3 -29.1 70 3.8 -25.9 100 14 302.2 302.3 283.2 304.5 0.69 23 494 5208 -25.9 -29.3 73 3.4 -26.4 102 14 302.5 302.6 283.3 304.8 0.68 24 415 6445 -35.7 -38.1 79 2.4 -35.9 133 17 305.4 305.4 284.0 306.6 0.34 25 400 6700 -37.7 -40.6 74 2.9 -37.9 140 18 306.0 306.0 284.2 307.0 0.28 26 397 6752 -37.9 -41.9 66 4.0 -38.2 140 18 306.4 306.4 284.3 307.2 0.24 27 300 8610 -54.9 -58.9 61 4.0 -55.0 140 30 308.0 308.0 284.6 308.1 0.05 28 295 8717 -55.9 -60.8 54 4.9 -56.0 141 31 308.0 308.0 284.6 308.2 0.04 29 279 9067 -59.1 -62.7 63 3.6 -59.2 145 35 308.4 308.4 284.7 308.5 0.03 30 275 9157 -58.7 -60.2 83 1.5 -58.7 150 34 310.2 310.2 285.5 310.4 0.04 31 268 9319 -56.1 -75.1 8 19.0 -56.3 160 34 316.3 316.3 287.5 316.3 0.01 32 254 9659 -54.9 -72.9 9 18.0 -55.1 179 32 323.0 323.0 289.7 323.0 0.01 33 250 9760 -54.9 -72.9 9 18.0 -55.1 185 31 324.4 324.4 290.1 324.5 0.01 34 246 9863 -55.5 -73.5 9 18.0 -55.7 186 31 325.1 325.1 290.3 325.1 0.01 35 230 10297 -50.5 -78.5 2 28.0 -50.9 191 30 339.0 339.0 294.1 339.0 0.00 36 203 11113 -49.5 -79.5 2 30.0 -50.0 199 29 352.9 352.9 297.3 352.9 0.00 37 200 11210 -50.3 -80.3 2 30.0 -50.8 200 29 353.1 353.1 297.3 353.1 0.00 38 150 13090 -52.1 -83.1 1 31.0 -52.6 215 35 380.3 380.3 302.3 380.3 0.00 39 100 15670 -57.3 -85.3 2 28.0 -57.7 210 54 417.0 417.0 307.4 417.0 0.00 40 97 15863 -55.9 -85.9 1 30.0 -56.4 210 53 423.4 423.4 308.1 423.4 0.00 41 70 17910 -61.5 -87.5 2 26.0 -61.9 210 40 452.8 452.8 311.1 452.8 0.00 42 54 19508 -66.7 -89.7 3 23.0 -67.0 214 42 475.7 475.7 313.1 475.7 0.00 43 52 19739 -63.9 -88.9 2 25.0 -64.3 214 43 487.4 487.4 314.0 487.4 0.00 44 50 19980 -65.1 -89.1 2 24.0 -65.4 215 43 490.1 490.1 314.2 490.1 0.00 45 45 20616 -66.9 -89.9 3 23.0 -67.2 219 45 500.7 500.7 315.0 500.7 0.00 46 43 20891 -65.1 -89.1 2 24.0 -65.4 221 45 511.7 511.7 315.8 511.7 0.00 47 31 22847 -71.7 -91.7 4 20.0 -71.9 234 50 544.0 544.0 317.8 544.1 0.00 48 30 23040 -70.5 -91.5 3 21.0 -70.8 235 51 552.4 552.4 318.2 552.5 0.00 49 26 23889 -69.3 -91.3 3 22.0 -69.6 235 47 578.9 578.9 319.6 579.0 0.00 50 20 25440 -72.1 -93.1 3 21.0 -72.4 235 39 615.5 615.5 321.3 615.5 0.00 51 17 26393 -73.9 -93.9 3 20.0 -74.2 639.0 639.0 322.3 639.0 0.00 52 16 26748 -72.3 -93.3 3 21.0 -72.6 655.4 655.4 322.9 655.4 0.00 53 15 27125 -75.3 -94.3 4 19.0 -75.5 657.6 657.6 323.0 657.6 0.00 54 14 27526 -74.1 -94.1 3 20.0 -74.4 674.8 674.8 323.6 674.8 0.00 TRP 279 9067 -59.1 -62.7 63 3.6 -59.2 145 35 308.4 308.4 284.7 308.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5359.00 m Freezing level: 882.30 mb = 778.89 m = 2555.40 ft Wetbulb zero: 910.50 mb = 521.32 m = 1710.35 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 45.04 % Est. max temperature: 11.09 C = 51.97 F Sfc-Lift cond lev (LCL): 936.44 mb = 297.04 m = 974.52 ft T: 2.86 C 700-500 lapse rate: 6.10 C/km ThetaE index: 2.00 C Layer 848.0- 826.0 mb Conv cond level (CCL): 771.62 mb = 1835.38 m = 6021.52 ft Mean mixing ratio: 3.47 g/kg Conv temperature: 13.02 C = 55.44 F Cap Strength: 8.84 C Lifted Index: 9.60 C Risk: None Lifted Index @300 mb: 11.53 C Lifted Index @700 mb: 4.55 C Showalter Index: 9.13 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 20.00 C K Index: -1.30 Risk: None Sweat Index: 22.00 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.28 J/kg Max Up Vert Vel: 5.88 m/s Conv Inhibition (B-): 52902.54 J/kg Cap Strength: 9.44 C Lift Cond Lev (LCL): 856.42 mb = 1011.69 m = 3319.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 114 at 8 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 ---------------------------------------------------------- 0 966 52 20 6 -2.1 -5.6 | 331 10 4.9 -8.7 1 925 394 30 9 -4.5 -7.8 | 347 11 2.4 -10.8 2 850 1072 60 4 -3.5 -2.0 | 325 6 3.5 -5.0 3 700 2597 65 9 -8.2 -3.8 | 10 7 -1.2 -6.8 4 500 5120 100 14 -13.8 2.4 | 85 7 -6.9 -0.6 5 400 6700 140 18 -11.6 13.8 | 157 12 -4.6 10.8 6 300 8610 140 30 -19.3 23.0 | 148 23 -12.4 19.9 7 279 9067 145 35 -20.1 28.7 | 153 29 -13.1 25.6 8 250 9760 185 31 2.7 30.9 | 199 29 9.6 27.8 9 200 11210 200 29 9.9 27.3 | 215 29 16.8 24.2 10 150 13090 215 35 20.1 28.7 | 226 37 27.0 25.6 11 100 15670 210 54 27.0 46.8 | 218 55 33.9 43.7 12 70 17910 210 40 20.0 34.6 | 220 42 26.9 31.6 13 50 19980 215 43 24.7 35.2 | 224 45 31.6 32.2 14 30 23040 235 51 41.8 29.3 | 242 55 48.7 26.2 15 20 25440 235 39 31.9 22.4 | 244 43 38.9 19.3 Wind Parameters Mean winds (0-6000m): 83.7 at 10.1 knts Storm direction: 113.7 at 7.6 knts Shear (0-3000m) pos: 1.3 neg: 0.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 50.9 deg Storm rel helicity (0-3000m) pos: 18.7 neg: -5.1 tot: 13.7 m^2/s^2 ave: 4.6 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.79 Bulk Shear: 9.64 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 28 8 342 10| 2.8 0.0 2.8| 8.4 -0.3 8.1 16.2 0.66| 4.5 3.0 1000 34 7 341 9| 2.0 0.0 2.0| 8.4 -5.1 3.4 3.4 0.05| 4.5 0.2 1500 41 6 340 8| 1.4 0.0 1.4| 10.7 -5.1 5.7 3.8 0.18| 3.5 0.6 2000 46 6 342 8| 1.3 0.0 1.3| 13.4 -5.1 8.3 4.2 0.30| 3.1 0.9 2500 51 7 346 7| 1.3 0.0 1.3| 16.1 -5.1 11.0 4.4 0.37| 2.8 1.0 3000 55 7 351 7| 1.3 0.0 1.3| 18.7 -5.1 13.7 4.6 0.43| 2.6 1.1 4000 63 8 2 7| 1.4 0.0 1.4| 24.3 -5.1 19.3 4.8 0.54| 2.4 1.3 5000 73 9 17 6| 1.4 0.0 1.4| 30.6 -5.1 25.6 5.1 0.61| 2.3 1.4 6000 84 10 37 5| 1.6 0.0 1.6| 44.0 -5.1 38.9 6.5 0.69| 2.5 1.7 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251213.23.gif