UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120223.upa.cvt Date: 2300Z 2 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 2 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 -8 75 9 SFC 994 52 1.8 -3.0 70 4.8 -0.1 75 9 275.4 275.9 273.4 283.9 3.08 2 974 213 3.6 -4.4 56 8.0 0.5 89 12 278.8 279.3 275.0 286.8 2.83 3 925 623 0.8 -4.0 70 4.8 -1.1 125 18 280.1 280.7 276.0 288.8 3.07 4 885 976 -2.1 -2.1 100 0.0 -2.1 141 22 280.7 281.3 277.2 291.0 3.70 5 850 1295 -4.5 -4.5 100 0.0 -4.5 155 26 281.4 282.0 276.9 290.5 3.22 6 796 1808 -8.5 -8.8 98 0.3 -8.6 158 24 282.5 282.9 276.5 289.6 2.47 7 793 1837 -8.1 -12.6 70 4.5 -9.4 159 24 283.2 283.5 275.9 288.6 1.83 8 751 2258 -10.5 -18.5 52 8.0 -12.5 161 23 285.1 285.3 275.9 288.6 1.18 9 737 2403 -11.3 -22.3 40 11.0 -13.7 162 22 285.7 285.9 275.8 288.4 0.87 10 700 2796 -14.1 -21.1 55 7.0 -15.6 165 21 286.9 287.0 276.6 290.0 1.01 11 685 2960 -15.5 -20.5 65 5.0 -16.6 169 21 287.1 287.3 276.9 290.4 1.09 12 581 4186 -22.9 -28.9 58 6.0 -23.8 195 17 292.3 292.4 278.7 294.2 0.60 13 575 4262 -23.3 -33.3 39 10.0 -24.6 197 17 292.7 292.8 278.6 294.0 0.40 14 570 4326 -23.5 -30.5 53 7.0 -24.5 199 17 293.2 293.3 279.0 294.9 0.53 15 565 4390 -24.1 -30.1 58 6.0 -24.9 200 17 293.2 293.3 279.1 295.0 0.55 16 507 5171 -30.3 -35.3 62 5.0 -30.8 218 14 294.9 295.0 279.6 296.2 0.37 17 500 5270 -30.9 -36.9 56 6.0 -31.5 220 14 295.4 295.4 279.7 296.4 0.32 18 400 6810 -43.9 -52.9 36 9.0 -44.2 240 15 297.9 297.9 280.6 298.2 0.07 19 381 7135 -46.5 -56.5 31 10.0 -46.7 242 14 298.7 298.7 280.8 298.9 0.05 20 365 7418 -49.1 -57.1 39 8.0 -49.3 243 14 298.9 298.9 280.9 299.1 0.05 21 336 7956 -53.3 -57.1 63 3.8 -53.4 246 13 300.3 300.3 281.5 300.5 0.05 22 314 8389 -55.7 -64.7 32 9.0 -55.8 248 12 302.9 302.9 282.5 302.9 0.02 23 310 8471 -55.1 -67.1 21 12.0 -55.2 249 12 304.8 304.8 283.4 304.9 0.01 24 300 8680 -55.5 -67.5 21 12.0 -55.6 250 12 307.1 307.1 284.2 307.2 0.01 25 285 9005 -57.5 -68.5 23 11.0 -57.6 265 17 308.8 308.8 284.9 308.8 0.01 26 250 9830 -57.9 -73.9 11 16.0 -58.0 245 14 320.0 320.0 288.8 320.0 0.01 27 213 10835 -60.5 -78.5 8 18.0 -60.6 249 13 330.9 330.9 292.0 331.0 0.00 28 200 11230 -58.7 -80.7 4 22.0 -58.9 250 13 339.8 339.8 294.3 339.8 0.00 29 150 13040 -58.3 -84.3 2 26.0 -58.5 225 16 369.6 369.6 300.5 369.6 0.00 30 125 14188 -57.5 -84.5 2 27.0 -57.8 214 18 390.9 390.9 303.9 390.9 0.00 31 100 15590 -59.5 -86.5 2 27.0 -59.8 200 21 412.8 412.8 306.9 412.8 0.00 32 70 17790 -64.9 -88.9 2 24.0 -65.1 225 21 445.5 445.5 310.4 445.5 0.00 33 63 18425 -68.1 -90.1 3 22.0 -68.2 219 20 452.1 452.1 311.1 452.1 0.00 34 50 19800 -70.1 -90.1 4 20.0 -70.2 205 18 478.3 478.3 313.3 478.3 0.00 35 30 22820 -73.9 -91.9 5 18.0 -74.0 250 24 543.2 543.2 317.7 543.2 0.00 36 23 24361 -75.7 -93.7 4 18.0 -75.9 279 18 580.8 580.8 319.7 580.8 0.00 37 20 25170 -74.7 -92.7 5 18.0 -74.9 295 15 607.5 607.5 320.9 607.5 0.00 38 12 28153 -72.9 -93.9 3 21.0 -73.3 709.5 709.5 324.7 709.5 0.00 TRP 285 9005 -57.5 -68.5 23 11.0 -57.6 265 17 308.8 308.8 284.9 308.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5278.00 m Freezing level: 913.97 mb = 720.37 m = 2363.38 ft Wetbulb zero: Below ground Precipitable water: 0.36 inches Sfc-500 mean rel hum: 66.80 % Est. max temperature: 7.92 C = 46.25 F Sfc-Lift cond lev (LCL): 922.51 mb = 644.53 m = 2114.56 ft T: 0.62 C 700-500 lapse rate: 6.79 C/km ThetaE index: 2.46 C Layer 850.0- 751.0 mb Conv cond level (CCL): 838.40 mb = 1402.41 m = 4601.04 ft Mean mixing ratio: 3.06 g/kg Conv temperature: 8.02 C = 46.44 F Cap Strength: 6.65 C Lifted Index: 6.93 C Risk: None Lifted Index @300 mb: 13.68 C Lifted Index @700 mb: 2.93 C Showalter Index: 4.94 C Risk: None Total Totals Index: 52.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 26.40 C K Index: 14.90 Risk: None Sweat Index: 142.00 Risk: None Energy Index: 1.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.46 J/kg Max Up Vert Vel: 4.99 m/s Conv Inhibition (B-): 47580.54 J/kg Cap Strength: 6.63 C Lift Cond Lev (LCL): 868.37 mb = 1125.91 m = 3693.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 201 at 14 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 ---------------------------------------------------------- 0 994 52 75 9 -8.7 -2.3 | 42 21 -13.8 -15.3 1 925 623 125 18 -14.7 10.3 | 82 20 -19.9 -2.7 2 850 1295 155 26 -11.0 23.6 | 123 19 -16.1 10.5 3 700 2796 165 21 -5.4 20.3 | 125 13 -10.5 7.3 4 500 5270 220 14 9.0 10.7 | 301 5 3.9 -2.3 5 400 6810 240 15 13.0 7.5 | 305 10 7.9 -5.5 6 300 8680 250 12 11.3 4.1 | 325 11 6.2 -8.9 7 285 9005 265 17 16.9 1.5 | 314 17 11.8 -11.5 8 250 9830 245 14 12.7 5.9 | 313 10 7.6 -7.1 9 200 11230 250 13 12.2 4.4 | 320 11 7.1 -8.6 10 150 13040 225 16 11.3 11.3 | 285 6 6.2 -1.7 11 100 15590 200 21 7.2 19.7 | 197 7 2.1 6.7 12 70 17790 225 21 14.8 14.8 | 259 10 9.7 1.8 13 50 19800 205 18 7.6 16.3 | 217 4 2.5 3.3 14 30 22820 250 24 22.6 8.2 | 285 18 17.4 -4.8 15 20 25170 295 15 13.6 -6.3 | 336 21 8.5 -19.4 Wind Parameters Mean winds (0-6000m): 171.4 at 18.6 knts Storm direction: 201.4 at 14.0 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 87.8 deg Storm rel helicity (0-3000m) pos: 159.5 neg: -0.1 tot: 159.3 m^2/s^2 ave: 53.1 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.30 Bulk Shear: 41.60 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 ------------------------------------------------------------------------------- 500 106 13 62 20| 12.5 0.0 12.5| 69.8 0.0 69.8 139.5 0.99| 13.0 12.9 1000 124 16 78 19| 11.1 0.0 11.1|126.0 0.0 126.0 126.0 0.99| 12.1 12.0 1500 137 19 94 18| 8.7 0.0 8.7|154.8 0.0 154.8 103.2 0.97| 10.2 9.9 2000 144 21 102 18| 6.3 0.0 6.3|155.9 0.0 155.9 77.9 0.91| 8.2 7.5 2500 148 21 106 17| 4.8 0.0 4.8|156.1 -0.0 156.1 62.4 0.85| 7.0 6.0 3000 151 21 109 16| 3.9 0.0 3.9|159.5 -0.1 159.3 53.1 0.81| 6.4 5.2 4000 158 21 115 14| 3.0 0.0 3.0|167.2 -0.1 167.1 41.8 0.76| 5.8 4.4 5000 164 20 119 12| 2.3 0.0 2.3|171.3 -0.1 171.2 34.2 0.77| 5.4 4.1 6000 171 19 124 10| 2.0 0.0 2.0|172.5 -0.1 172.3 28.7 0.73| 4.8 3.5 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251202.23.gif