UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043011.upa.cvt Date: 1100Z 30 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 30 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 ------------------------------------------------------------------------------- 0 1000 -15 140 20 SFC 993 52 6.8 2.7 75 4.1 4.9 140 20 280.5 281.3 278.3 293.4 4.68 2 925 621 1.2 0.6 96 0.6 1.0 140 37 280.5 281.3 277.9 292.5 4.32 3 916 700 0.6 0.4 99 0.2 0.5 142 36 280.7 281.4 278.0 292.6 4.30 4 902 823 0.2 -2.8 80 3.0 -1.0 144 35 281.5 282.1 277.3 291.2 3.44 5 850 1296 -3.3 -5.4 85 2.1 -4.1 155 31 282.7 283.2 277.3 291.2 3.00 6 804 1734 -5.7 -8.7 79 3.0 -6.7 158 30 284.7 285.1 277.6 291.8 2.46 7 700 2806 -12.7 -14.8 84 2.1 -13.3 165 29 288.4 288.7 278.4 293.6 1.73 8 577 4250 -23.1 -23.3 98 0.2 -23.1 156 42 292.6 292.8 279.4 295.8 1.01 9 557 4508 -23.7 -23.8 99 0.1 -23.7 155 45 294.9 295.1 280.5 298.1 1.00 10 540 4734 -24.5 -25.3 93 0.8 -24.6 153 47 296.6 296.7 281.1 299.5 0.91 11 500 5290 -27.9 -29.2 89 1.3 -28.1 150 52 299.0 299.1 281.8 301.3 0.68 12 479 5597 -30.5 -30.7 98 0.2 -30.5 152 53 299.5 299.6 282.0 301.5 0.62 13 461 5869 -30.5 -33.7 73 3.2 -30.9 154 53 302.8 302.9 283.2 304.4 0.48 14 400 6860 -38.9 -41.8 74 2.9 -39.1 160 56 304.4 304.5 283.5 305.3 0.24 15 388 7068 -40.7 -44.5 67 3.8 -40.9 160 55 304.7 304.8 283.5 305.4 0.19 16 378 7245 -42.1 -44.8 75 2.7 -42.2 160 54 305.2 305.2 283.7 305.8 0.19 17 374 7317 -42.5 -56.5 20 14.0 -43.0 160 53 305.6 305.6 283.7 305.8 0.05 18 370 7390 -42.9 -56.9 20 14.0 -43.3 160 53 306.0 306.0 283.8 306.2 0.05 19 307 8654 -41.1 -67.1 4 26.0 -41.9 164 41 325.3 325.3 290.4 325.3 0.01 20 300 8810 -42.1 -68.1 4 26.0 -42.8 165 39 326.0 326.0 290.6 326.1 0.01 21 270 9521 -43.7 -73.7 2 30.0 -44.4 174 31 333.7 333.7 292.7 333.7 0.01 22 250 10040 -42.9 -74.9 2 32.0 -43.7 180 26 342.3 342.3 294.8 342.3 0.01 23 213 11125 -41.9 -75.9 1 34.0 -43.0 194 26 359.9 359.9 298.7 359.9 0.01 24 200 11550 -44.1 -77.1 1 33.0 -45.0 200 26 362.9 362.9 299.2 363.0 0.01 25 164 12872 -48.3 -80.3 1 32.0 -49.0 217 24 377.1 377.1 301.8 377.1 0.00 26 150 13460 -48.9 -80.9 1 32.0 -49.6 225 23 385.8 385.8 303.2 385.8 0.00 27 100 16120 -50.1 -82.1 1 32.0 -51.0 220 7 430.9 430.9 308.9 430.9 0.00 28 70 18440 -52.3 -83.3 1 31.0 -53.3 260 6 472.5 472.5 312.8 472.5 0.01 29 50 20610 -52.1 -84.1 1 32.0 -53.5 15 5 520.7 520.7 316.4 520.7 0.01 30 42 21733 -54.3 -85.3 1 31.0 -55.6 25 6 541.9 541.9 317.6 541.9 0.01 31 30 23900 -52.3 -84.3 1 32.0 -54.4 45 9 602.1 602.1 320.7 602.1 0.01 32 20 26530 -52.5 -84.5 1 32.0 -55.3 35 18 675.5 675.5 323.6 675.6 0.02 33 14 28844 -50.9 -83.9 1 33.0 -55.0 753.4 753.5 326.0 753.6 0.02 TRP 370 7390 -42.9 -56.9 20 14.0 -43.3 160 53 306.0 306.0 283.8 306.2 0.05 WND Sounding variables and indices 1000-500 mb thick: 5305.00 m Freezing level: 899.03 mb = 850.14 m = 2789.13 ft Wetbulb zero: 911.51 mb = 738.98 m = 2424.46 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 87.88 % Est. max temperature: 9.27 C = 48.68 F Sfc-Lift cond lev (LCL): 932.49 mb = 556.29 m = 1825.08 ft T: 1.84 C 700-500 lapse rate: 6.12 C/km ThetaE index: 1.41 C Layer 902.0- 850.0 mb Conv cond level (CCL): 900.78 mb = 833.89 m = 2735.81 ft Mean mixing ratio: 4.28 g/kg Conv temperature: 7.85 C = 46.12 F Cap Strength: 4.95 C Lifted Index: 6.36 C Risk: None Lifted Index @300 mb: 23.74 C Lifted Index @700 mb: 1.20 C Showalter Index: 7.41 C Risk: None Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 22.50 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 114.00 Risk: None Energy Index: 2.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.26 J/kg Max Up Vert Vel: 2.92 m/s Conv Inhibition (B-): 54283.85 J/kg Cap Strength: 6.31 C Lift Cond Lev (LCL): 912.15 mb = 733.37 m = 2406.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 184 at 28 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 ---------------------------------------------------------- 0 993 52 140 20 -12.9 15.3 | 49 20 -14.8 -12.9 1 925 621 140 37 -23.8 28.3 | 90 26 -25.7 0.1 2 850 1296 155 31 -13.1 28.1 | 89 15 -15.0 -0.2 3 700 2806 165 29 -7.5 28.0 | 89 9 -9.4 -0.2 4 500 5290 150 52 -26.0 45.0 | 121 33 -27.9 16.8 5 400 6860 160 56 -19.2 52.6 | 139 32 -21.1 24.4 6 370 7390 160 53 -18.1 49.8 | 137 29 -20.0 21.6 7 300 8810 165 39 -10.1 37.7 | 128 15 -12.0 9.4 8 250 10040 180 26 0.0 26.0 | 40 3 -1.9 -2.3 9 200 11550 200 26 8.9 24.4 | 299 8 7.0 -3.8 10 150 13460 225 23 16.3 16.3 | 310 19 14.4 -12.0 11 100 16120 220 7 4.5 5.4 | 354 23 2.6 -22.9 12 70 18440 260 6 5.9 1.0 | 352 28 4.0 -27.2 13 50 20610 15 5 -1.3 -4.8 | 6 33 -3.2 -33.1 14 30 23900 45 9 -6.4 -6.4 | 13 36 -8.3 -34.6 15 20 26530 35 18 -10.3 -14.7 | 16 45 -12.2 -43.0 Wind Parameters Mean winds (0-6000m): 153.8 at 37.8 knts Storm direction: 183.8 at 28.3 knts Shear (0-3000m) pos: 2.4 neg: 2.6 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 50.4 deg Storm rel helicity (0-3000m) pos: 95.8 neg: -2.8 tot: 93.0 m^2/s^2 ave: 31.0 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 22.06 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 ------------------------------------------------------------------------------- 500 140 27 70 21| 0.0 15.4 15.4| 77.5 0.0 77.5 155.1 0.93| 15.4 14.3 1000 142 31 81 21| 3.1 7.7 10.7| 90.6 -0.2 90.4 90.4 0.68| 12.0 8.2 1500 146 31 83 20| 3.6 5.1 8.7| 90.8 -2.3 88.5 59.0 0.55| 9.6 5.3 2000 149 31 85 18| 3.2 3.8 7.0| 90.8 -2.3 88.6 44.3 0.52| 7.7 4.0 2500 151 31 86 17| 2.9 3.1 6.0| 90.8 -2.6 88.3 35.3 0.48| 6.5 3.2 3000 153 31 87 16| 2.4 2.6 5.0| 95.8 -2.8 93.0 31.0 0.49| 6.0 2.9 4000 155 32 93 15| 1.8 3.2 5.0|113.1 -2.8 110.3 27.6 0.48| 5.8 2.8 5000 155 35 100 17| 1.4 3.6 5.1|121.1 -2.8 118.3 23.7 0.42| 5.7 2.4 6000 154 38 107 19| 1.4 3.0 4.4|162.8 -2.9 159.9 26.7 0.45| 5.3 2.4 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250430.11.gif