UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042523.upa.cvt Date: 2300Z 25 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 25 APR 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 ------------------------------------------------------------------------------- SFC 1000 52 8.4 6.2 86 2.2 7.3 135 11 281.5 282.6 280.4 297.9 5.95 1 946 500 4.4 4.4 100 0.0 4.4 131 20 282.0 282.9 280.1 297.3 5.54 2 925 679 3.2 3.1 99 0.1 3.1 130 23 282.6 283.5 280.0 296.9 5.17 3 888 1009 1.8 0.4 90 1.4 1.2 130 23 284.5 285.2 280.0 296.9 4.43 4 881 1073 1.4 -6.6 55 8.0 -1.6 130 23 284.7 285.1 277.8 292.3 2.64 5 872 1155 1.8 -9.2 44 11.0 -2.1 130 23 285.9 286.3 277.8 292.3 2.18 6 850 1361 0.6 -12.4 37 13.0 -3.7 130 23 286.8 287.1 277.6 291.9 1.73 7 766 2189 -4.3 -23.3 21 19.0 -8.9 135 26 290.1 290.3 277.9 292.5 0.76 8 755 2302 -5.3 -13.3 53 8.0 -7.8 136 27 290.3 290.6 279.4 295.7 1.81 9 722 2652 -6.9 -31.9 12 25.0 -11.6 138 28 292.2 292.3 278.3 293.4 0.37 10 700 2893 -8.7 -32.7 12 24.0 -13.0 140 29 292.9 292.9 278.6 294.0 0.35 11 532 4951 -24.3 -36.3 32 12.0 -25.8 144 28 298.1 298.1 281.0 299.2 0.32 12 505 5328 -26.5 -46.5 13 20.0 -28.2 145 28 299.9 299.9 281.4 300.3 0.12 13 500 5400 -26.9 -41.9 23 15.0 -28.3 145 28 300.2 300.3 281.7 300.9 0.19 14 498 5429 -27.1 -34.1 51 7.0 -28.0 145 28 300.3 300.4 282.1 301.8 0.43 15 485 5620 -28.7 -32.9 67 4.2 -29.2 144 30 300.7 300.7 282.3 302.3 0.49 16 465 5921 -30.7 -40.7 37 10.0 -31.6 143 33 301.8 301.9 282.4 302.6 0.24 17 429 6491 -33.9 -35.8 83 1.9 -34.1 142 38 304.8 304.8 283.9 306.2 0.42 18 409 6825 -36.1 -40.2 66 4.1 -36.4 140 42 306.1 306.2 284.2 307.1 0.28 19 400 6980 -37.1 -40.1 74 3.0 -37.4 140 43 306.8 306.8 284.5 307.8 0.29 20 376 7403 -39.9 -43.2 71 3.3 -40.1 140 43 308.5 308.6 285.1 309.3 0.22 21 309 8708 -50.5 -52.4 80 1.9 -50.5 140 44 311.5 311.5 286.0 311.9 0.10 22 306 8772 -50.9 -54.3 67 3.4 -51.0 140 44 311.8 311.9 286.1 312.1 0.08 23 302 8857 -50.9 -58.9 38 8.0 -51.1 140 44 313.0 313.0 286.5 313.2 0.04 24 300 8900 -51.1 -58.1 43 7.0 -51.2 140 44 313.3 313.3 286.6 313.5 0.05 25 297 8966 -51.5 -56.5 55 5.0 -51.6 141 44 313.7 313.7 286.7 313.9 0.06 26 278 9394 -53.9 -58.9 54 5.0 -54.0 149 46 316.2 316.2 287.5 316.4 0.05 27 275 9464 -54.1 -60.1 48 6.0 -54.2 150 46 316.9 316.9 287.8 317.0 0.04 28 269 9607 -52.9 -65.9 19 13.0 -53.1 149 46 320.6 320.6 288.9 320.7 0.02 29 250 10080 -53.7 -68.7 14 15.0 -53.9 145 46 326.2 326.2 290.6 326.3 0.01 30 200 11530 -49.7 -79.7 2 30.0 -50.2 155 28 354.1 354.1 297.5 354.1 0.00 31 184 12077 -47.5 -80.5 1 33.0 -48.2 154 25 366.2 366.2 299.9 366.2 0.00 32 150 13420 -49.3 -81.3 1 32.0 -50.0 150 17 385.1 385.1 303.1 385.1 0.00 33 145 13641 -50.1 -82.1 1 32.0 -50.8 153 16 387.5 387.5 303.4 387.5 0.00 34 131 14307 -46.3 -81.3 1 35.0 -47.4 160 15 405.7 405.7 306.0 405.7 0.00 35 118 14990 -51.3 -83.3 1 32.0 -52.0 168 13 408.8 408.8 306.3 408.8 0.00 36 112 15330 -48.5 -82.5 1 34.0 -49.5 172 12 420.2 420.2 307.7 420.2 0.00 37 100 16070 -50.5 -83.5 1 33.0 -51.4 180 10 430.2 430.2 308.9 430.2 0.00 38 70 18400 -50.5 -83.5 1 33.0 -51.7 155 8 476.3 476.3 313.1 476.4 0.01 39 63 19085 -52.1 -85.1 1 33.0 -53.2 487.4 487.4 314.0 487.4 0.00 TRP 275 9464 -54.1 -60.1 48 6.0 -54.2 150 46 316.9 316.9 287.8 317.0 0.04 WND Sounding variables and indices 1000-500 mb thick: 5348.00 m Freezing level: 839.71 mb = 1462.34 m = 4797.65 ft Wetbulb zero: 885.08 mb = 1035.53 m = 3397.36 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 37.87 % Est. max temperature: 13.62 C = 56.52 F Sfc-Lift cond lev (LCL): 967.00 mb = 322.56 m = 1058.24 ft T: 5.98 C 700-500 lapse rate: 7.26 C/km ThetaE index: 5.62 C Layer 946.0- 872.0 mb Conv cond level (CCL): 939.77 mb = 552.44 m = 1812.44 ft Mean mixing ratio: 5.45 g/kg Conv temperature: 9.02 C = 48.24 F Cap Strength: 3.71 C Lifted Index: 3.96 C Risk: None Lifted Index @300 mb: 11.40 C Lifted Index @700 mb: 2.30 C Showalter Index: 7.88 C Risk: None Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 27.50 C Cross Totals Index: 14.50 C K Index: -8.90 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 1.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.46 J/kg Max Up Vert Vel: 4.11 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 3.60 C Lift Cond Lev (LCL): 938.51 mb = 563.10 m = 1847.43 ft Lev Free Conv (LFC): 933.51 mb = 605.79 m = 1987.48 ft Equ Level (EL): 913.51 mb = 780.01 m = 2559.06 ft B at Equ Level: 8.38 J/kg Max Parcel Lev (MPL): 863.51 mb = 1234.13 m = 4048.92 ft Wind level data Storm motion: 169 at 20 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 1000 52 135 11 -7.8 7.8 | 19 12 -4.0 -11.7 1 1000 40 135 12 -8.5 8.5 | 23 12 -4.7 -11.0 2 925 679 130 23 -17.6 14.8 | 71 15 -13.9 -4.7 3 850 1361 130 23 -17.6 14.8 | 71 15 -13.9 -4.7 4 700 2893 140 29 -18.6 22.2 | 100 15 -14.9 2.7 5 500 5400 145 28 -16.1 22.9 | 106 13 -12.3 3.4 6 400 6980 140 43 -27.6 32.9 | 119 27 -23.9 13.4 7 300 8900 140 44 -28.3 33.7 | 120 28 -24.5 14.2 8 275 9464 150 46 -23.0 39.8 | 137 28 -19.2 20.3 9 250 10080 145 46 -26.4 37.7 | 129 29 -22.6 18.2 10 200 11530 155 28 -11.8 25.4 | 126 10 -8.1 5.9 11 150 13420 150 17 -8.5 14.7 | 45 7 -4.7 -4.8 12 100 16070 180 10 0.0 10.0 | 338 10 3.8 -9.5 13 70 18400 155 8 -3.4 7.3 | 358 12 0.4 -12.3 Wind Parameters Mean winds (0-6000m): 139.1 at 26.5 knts Storm direction: 169.1 at 19.9 knts Shear (0-3000m) pos: 1.3 neg: 1.9 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 76.5 deg Storm rel helicity (0-3000m) pos: 62.5 neg: 0.0 tot: 62.5 m^2/s^2 ave: 20.8 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.60 Bulk Shear: 14.15 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 ------------------------------------------------------------------------------- 500 132 16 45 12| 0.0 8.9 8.9| 26.4 0.0 26.4 52.9 0.96| 8.9 8.6 1000 131 20 59 13| 0.0 5.6 5.6| 33.0 0.0 33.0 33.0 0.93| 5.6 5.2 1500 131 21 64 13| 0.3 3.7 4.0| 36.5 0.0 36.5 24.3 0.93| 4.1 3.8 2000 131 22 68 14| 0.9 2.8 3.7| 45.8 0.0 45.8 22.9 0.94| 3.7 3.5 2500 133 23 73 14| 1.2 2.2 3.4| 55.4 0.0 55.4 22.2 0.95| 3.4 3.3 3000 134 24 77 14| 1.3 1.9 3.2| 62.5 0.0 62.5 20.8 0.95| 3.2 3.0 4000 136 25 84 14| 1.0 1.4 2.4| 64.5 0.0 64.5 16.1 0.93| 2.5 2.3 5000 138 26 88 14| 0.8 1.1 2.0| 66.3 0.0 66.3 13.3 0.90| 2.1 1.9 6000 139 26 92 14| 0.8 1.3 2.1| 76.8 0.0 76.8 12.8 0.78| 2.3 1.8 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250425.23.gif