UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120123.upa.cvt Date: 2300Z 1 DEC 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 1 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 -81 SFC 985 52 5.0 -3.0 56 8.0 1.7 70 7 279.4 279.9 275.6 288.0 3.11 2 925 552 0.8 -6.2 59 7.0 -1.8 70 32 280.1 280.6 275.3 287.5 2.60 3 850 1225 -4.1 -7.2 79 3.1 -5.2 80 20 281.9 282.3 276.3 289.3 2.62 4 829 1422 -5.9 -7.6 88 1.7 -6.5 78 20 282.0 282.4 276.3 289.4 2.60 5 816 1545 -6.5 -7.2 95 0.7 -6.7 77 20 282.6 283.1 276.9 290.4 2.73 6 780 1898 -7.5 -11.0 76 3.5 -8.6 73 19 285.2 285.6 277.3 291.4 2.11 7 700 2730 -14.1 -15.4 90 1.3 -14.5 65 18 286.9 287.2 277.5 291.8 1.65 8 699 2741 -14.1 -15.4 90 1.3 -14.5 65 18 287.0 287.3 277.6 291.9 1.65 9 630 3521 -19.5 -21.9 81 2.4 -20.0 52 16 289.5 289.7 278.0 292.7 1.05 10 623 3604 -19.1 -22.9 72 3.8 -19.8 51 16 290.9 291.0 278.6 293.9 0.97 11 513 5018 -29.9 -30.4 95 0.5 -30.0 28 12 294.4 294.5 279.7 296.3 0.59 12 501 5186 -30.7 -34.1 72 3.4 -31.1 25 12 295.4 295.5 279.9 296.8 0.43 13 500 5200 -30.9 -34.3 72 3.4 -31.3 25 12 295.4 295.4 279.9 296.7 0.42 14 461 5770 -35.7 -39.3 69 3.6 -36.0 30 17 296.3 296.4 280.1 297.2 0.27 15 431 6234 -39.1 -41.3 80 2.2 -39.2 35 21 297.7 297.8 280.7 298.6 0.24 16 400 6740 -43.7 -46.1 77 2.4 -43.8 40 25 298.2 298.2 280.8 298.7 0.15 17 338 7847 -54.1 -57.4 67 3.3 -54.2 55 21 298.7 298.7 280.8 298.9 0.05 18 330 8000 -54.5 -56.7 77 2.2 -54.5 57 20 300.2 300.2 281.5 300.4 0.05 19 325 8098 -55.1 -59.7 57 4.6 -55.2 58 20 300.7 300.7 281.7 300.9 0.04 20 322 8157 -54.5 -63.5 32 9.0 -54.6 59 20 302.3 302.3 282.4 302.4 0.02 21 314 8319 -54.5 -65.5 25 11.0 -54.6 61 19 304.5 304.5 283.2 304.6 0.02 22 300 8610 -55.7 -64.7 32 9.0 -55.8 65 18 306.8 306.8 284.1 306.9 0.02 23 282 9001 -57.7 -67.7 27 10.0 -57.8 60 19 309.4 309.4 285.1 309.5 0.01 24 250 9760 -56.7 -70.7 16 14.0 -56.9 95 18 321.8 321.8 289.3 321.8 0.01 25 234 10179 -57.1 -74.1 10 17.0 -57.3 91 16 327.3 327.3 291.0 327.3 0.01 26 221 10544 -54.3 -77.3 4 23.0 -54.6 87 14 337.0 337.0 293.6 337.0 0.00 27 200 11180 -57.3 -80.3 4 23.0 -57.5 80 10 342.0 342.0 294.8 342.0 0.00 28 198 11244 -57.3 -81.3 3 24.0 -57.5 86 10 343.0 343.0 295.0 343.0 0.00 29 183 11747 -53.3 -81.3 2 28.0 -53.7 132 8 357.3 357.3 298.2 357.3 0.00 30 150 13020 -56.1 -83.1 2 27.0 -56.4 250 5 373.4 373.4 301.2 373.4 0.00 31 100 15590 -58.1 -86.1 2 28.0 -58.5 220 8 415.5 415.5 307.2 415.5 0.00 32 70 17810 -62.7 -88.7 2 26.0 -63.0 235 26 450.2 450.2 310.9 450.3 0.00 33 50 19850 -68.5 -89.5 3 21.0 -68.7 220 26 482.1 482.1 313.6 482.1 0.00 34 34 22131 -73.9 -91.9 5 18.0 -74.0 524.1 524.1 316.5 524.1 0.00 TRP 282 9001 -57.7 -67.7 27 10.0 -57.8 60 19 309.4 309.4 285.1 309.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5281.00 m Freezing level: 912.76 mb = 661.88 m = 2171.49 ft Wetbulb zero: 955.66 mb = 292.56 m = 959.82 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 79.76 % Est. max temperature: 7.57 C = 45.63 F Sfc-Lift cond lev (LCL): 870.45 mb = 1035.82 m = 3398.31 ft T: -2.72 C 700-500 lapse rate: 6.80 C/km ThetaE index: 0.57 C Layer 925.0- 850.0 mb Conv cond level (CCL): 776.88 mb = 1928.46 m = 6326.88 ft Mean mixing ratio: 2.75 g/kg Conv temperature: 10.90 C = 51.61 F Cap Strength: 7.01 C Lifted Index: 6.93 C Risk: None Lifted Index @300 mb: 13.48 C Lifted Index @700 mb: 2.96 C Showalter Index: 5.82 C Risk: None Total Totals Index: 50.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 23.70 C K Index: 18.30 Risk: < 20 % chance of thunderstorms Sweat Index: 82.00 Risk: None Energy Index: 1.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.15 J/kg Max Up Vert Vel: 3.51 m/s Conv Inhibition (B-): 34379.04 J/kg Cap Strength: 6.56 C Lift Cond Lev (LCL): 839.16 mb = 1325.96 m = 4350.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 89 at 13 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 ---------------------------------------------------------- 0 985 52 70 7 -6.6 -2.4 | 288 7 6.6 -2.1 1 925 552 70 32 -30.1 -10.9 | 58 20 -16.9 -10.7 2 850 1225 80 20 -19.7 -3.5 | 64 7 -6.5 -3.2 3 700 2730 65 18 -16.3 -7.6 | 23 8 -3.1 -7.4 4 500 5200 25 12 -5.1 -10.9 | 323 13 8.1 -10.6 5 400 6740 40 25 -16.1 -19.2 | 9 19 -2.9 -18.9 6 300 8610 65 18 -16.3 -7.6 | 23 8 -3.1 -7.4 7 282 9001 60 19 -16.5 -9.5 | 19 10 -3.3 -9.2 8 250 9760 95 18 -17.9 1.6 | 111 5 -4.7 1.8 9 200 11180 80 10 -9.8 -1.7 | 294 4 3.3 -1.5 10 150 13020 250 5 4.7 1.7 | 264 18 17.9 2.0 11 100 15590 220 8 5.1 6.1 | 251 19 18.3 6.4 12 70 17810 235 26 21.3 14.9 | 246 38 34.5 15.2 13 50 19850 220 26 16.7 19.9 | 236 36 29.9 20.2 Wind Parameters Mean winds (0-6000m): 58.9 at 17.6 knts Storm direction: 88.9 at 13.2 knts Shear (0-3000m) pos: 1.6 neg: 3.4 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 83.4 deg Storm rel helicity (0-3000m) pos: 34.6 neg: -14.1 tot: 20.5 m^2/s^2 ave: 6.8 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.82 Bulk Shear: 2.18 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 70 20 39 8| 0.0 25.7 25.7| 28.3 0.0 28.3 56.6 0.59| 26.2 15.6 1000 72 23 52 12| 4.9 12.9 17.8| 34.3 0.0 34.3 34.3 0.47| 18.1 8.5 1500 74 23 54 10| 3.3 7.4 10.7| 34.6 -2.3 32.3 21.5 0.39| 13.5 5.3 2000 74 22 53 10| 2.5 5.4 7.9| 34.6 -5.8 28.8 14.4 0.33| 10.6 3.5 2500 73 21 50 9| 2.0 4.3 6.2| 34.6 -9.2 25.4 10.2 0.28| 8.9 2.5 3000 72 21 46 9| 1.6 3.4 5.1| 34.6 -14.1 20.5 6.8 0.21| 7.8 1.7 4000 68 19 34 8| 1.2 2.3 3.6| 34.6 -25.8 8.8 2.2 0.10| 6.5 0.7 5000 64 18 22 8| 1.0 1.6 2.6| 34.6 -38.4 -3.8 -0.8 0.02| 5.7 0.1 6000 59 18 12 9| 0.2 1.4 1.6| 61.1 -39.7 21.4 3.6 0.12| 5.4 0.7 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20251201.23.gif