UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042611.upa.cvt Date: 1100Z 26 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 26 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 16 145 13 SFC 997 52 8.0 6.0 87 2.0 7.0 145 13 281.4 282.4 280.3 297.6 5.88 2 925 654 3.2 2.3 94 0.9 2.8 160 28 282.6 283.4 279.6 296.2 4.88 3 893 938 1.0 0.9 99 0.1 1.0 160 28 283.2 284.0 279.6 296.0 4.57 4 850 1334 -0.9 -3.3 84 2.4 -1.9 160 28 285.2 285.8 279.2 295.3 3.52 5 837 1457 -1.7 -4.7 80 3.0 -2.9 160 28 285.6 286.2 279.0 294.9 3.22 6 761 2208 -6.3 -8.5 84 2.2 -7.1 160 27 288.5 289.0 279.7 296.3 2.64 7 752 2301 -7.1 -8.3 91 1.2 -7.5 160 27 288.6 289.1 279.8 296.6 2.72 8 700 2856 -10.9 -12.8 86 1.9 -11.5 160 26 290.4 290.8 279.8 296.5 2.04 9 539 4809 -24.9 -27.1 82 2.2 -25.2 152 30 296.2 296.4 280.8 298.7 0.77 10 500 5350 -29.5 -31.1 86 1.6 -29.7 150 31 297.1 297.2 280.8 298.9 0.57 11 453 6044 -35.1 -36.6 86 1.5 -35.3 143 34 298.6 298.6 281.3 299.8 0.37 12 439 6262 -36.9 -39.5 77 2.6 -37.1 141 35 299.0 299.0 281.3 299.9 0.28 13 436 6309 -36.5 -38.9 78 2.4 -36.7 141 35 300.1 300.1 281.8 301.1 0.30 14 419 6583 -38.1 -42.0 67 3.9 -38.4 138 37 301.4 301.5 282.3 302.2 0.23 15 400 6900 -40.3 -43.7 70 3.4 -40.5 135 38 302.6 302.6 282.7 303.3 0.20 16 381 7230 -43.3 -45.4 80 2.1 -43.4 136 37 302.9 302.9 282.8 303.5 0.17 17 374 7355 -43.9 -48.4 61 4.5 -44.1 136 37 303.7 303.7 283.1 304.2 0.13 18 340 7988 -49.5 -52.3 72 2.8 -49.6 138 36 304.5 304.5 283.3 304.8 0.09 19 331 8163 -50.7 -54.0 68 3.3 -50.8 139 36 305.2 305.2 283.6 305.5 0.07 20 325 8282 -51.5 -61.5 29 10.0 -51.7 139 36 305.7 305.7 283.7 305.8 0.03 21 309 8609 -52.9 -57.9 55 5.0 -53.0 140 35 308.2 308.2 284.7 308.4 0.05 22 300 8800 -52.7 -63.7 25 11.0 -52.9 140 33 311.1 311.1 285.7 311.2 0.02 23 295 8908 -52.1 -66.1 17 14.0 -52.3 142 33 313.4 313.4 286.6 313.5 0.02 24 289 9042 -48.5 -72.5 5 24.0 -48.9 144 32 320.4 320.4 288.9 320.4 0.01 25 250 10000 -46.1 -76.1 2 30.0 -46.7 160 28 337.5 337.5 293.7 337.5 0.00 26 239 10298 -45.5 -77.5 2 32.0 -46.2 160 26 342.8 342.8 295.0 342.8 0.00 27 200 11480 -46.1 -81.1 1 35.0 -46.9 160 17 359.8 359.8 298.7 359.8 0.00 28 150 13390 -47.1 -83.1 1 36.0 -48.0 145 9 388.9 388.9 303.6 388.9 0.00 29 100 16060 -48.9 -84.9 1 36.0 -50.0 200 7 433.2 433.2 309.2 433.3 0.00 30 70 18380 -50.3 -86.3 1 36.0 -51.5 195 10 476.8 476.8 313.2 476.8 0.00 31 51 20441 -51.7 -87.7 1 36.0 -53.1 181 3 518.7 518.7 316.2 518.7 0.00 32 50 20570 -51.1 -87.1 1 36.0 -52.7 180 3 523.1 523.1 316.5 523.1 0.00 33 44 21402 -50.1 -87.1 1 37.0 -52.0 150 5 545.0 545.0 317.8 545.0 0.00 34 34 23072 -53.1 -88.1 1 35.0 -54.8 89 8 578.8 578.8 319.6 578.8 0.00 35 30 23880 -51.7 -87.7 1 36.0 -53.9 60 10 603.7 603.7 320.7 603.7 0.01 36 23 25602 -52.1 -89.1 0 37.0 -54.7 650.2 650.2 322.7 650.2 0.01 TRP 309 8609 -52.9 -57.9 55 5.0 -53.0 140 35 308.2 308.2 284.7 308.4 0.05 WND Sounding variables and indices 1000-500 mb thick: 5334.00 m Freezing level: 870.37 mb = 1146.60 m = 3761.77 ft Wetbulb zero: 878.52 mb = 1069.47 m = 3508.73 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 86.04 % Est. max temperature: 11.90 C = 53.43 F Sfc-Lift cond lev (LCL): 967.01 mb = 297.31 m = 975.40 ft T: 6.04 C 700-500 lapse rate: 7.46 C/km ThetaE index: 2.72 C Layer 925.0- 761.0 mb Conv cond level (CCL): 924.25 mb = 660.55 m = 2167.14 ft Mean mixing ratio: 5.20 g/kg Conv temperature: 9.21 C = 48.57 F Cap Strength: 1.80 C Lifted Index: 1.83 C Risk: Showers probable Lifted Index @300 mb: 10.27 C Lifted Index @700 mb: 0.51 C Showalter Index: 2.82 C Risk: Showers probable Total Totals Index: 54.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.60 C Cross Totals Index: 26.20 C K Index: 23.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 203.00 Risk: None Energy Index: 0.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.70 J/kg Max Up Vert Vel: 3.92 m/s Conv Inhibition (B-): 0.63 J/kg Cap Strength: 1.81 C Lift Cond Lev (LCL): 929.28 mb = 616.89 m = 2023.88 ft Lev Free Conv (LFC): 904.28 mb = 836.95 m = 2745.87 ft Equ Level (EL): 864.28 mb = 1200.40 m = 3938.27 ft B at Equ Level: 7.45 J/kg Max Parcel Lev (MPL): 784.28 mb = 1970.25 m = 6464.00 ft Wind level data Storm motion: 185 at 21 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 ---------------------------------------------------------- 0 997 52 145 13 -7.5 10.6 | 43 14 -9.4 -10.1 1 925 654 160 28 -9.6 26.3 | 116 13 -11.5 5.5 2 850 1334 160 28 -9.6 26.3 | 116 13 -11.5 5.5 3 700 2856 160 26 -8.9 24.4 | 109 11 -10.8 3.7 4 500 5350 150 31 -15.5 26.8 | 109 18 -17.4 6.1 5 400 6900 135 38 -26.9 26.9 | 102 29 -28.8 6.1 6 309 8609 140 35 -22.5 26.8 | 104 25 -24.4 6.0 7 300 8800 140 33 -21.2 25.3 | 101 24 -23.2 4.5 8 250 10000 160 28 -9.6 26.3 | 116 13 -11.5 5.5 9 200 11480 160 17 -5.8 16.0 | 58 9 -7.8 -4.8 10 150 13390 145 9 -5.2 7.4 | 28 15 -7.1 -13.4 11 100 16060 200 7 2.4 6.6 | 358 14 0.4 -14.2 12 70 18380 195 10 2.6 9.7 | 357 11 0.6 -11.1 13 50 20570 180 3 0.0 3.0 | 6 18 -1.9 -17.8 14 30 23880 60 10 -8.7 -5.0 | 22 28 -10.6 -25.8 Wind Parameters Mean winds (0-6000m): 155.4 at 27.8 knts Storm direction: 185.4 at 20.9 knts Shear (0-3000m) pos: 2.7 neg: 0.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 66.2 deg Storm rel helicity (0-3000m) pos: 50.2 neg: -4.7 tot: 45.5 m^2/s^2 ave: 15.2 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.78 Bulk Shear: 9.87 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 ------------------------------------------------------------------------------- 500 154 19 71 11| 13.4 0.0 13.4| 41.2 0.0 41.2 82.4 0.97| 13.6 13.2 1000 157 23 95 11| 8.1 0.0 8.1| 50.0 0.0 50.0 50.0 0.97| 8.2 8.0 1500 158 25 102 11| 5.4 0.1 5.5| 50.0 -0.7 49.3 32.9 0.94| 5.6 5.3 2000 159 26 105 12| 4.1 0.2 4.3| 50.0 -2.2 47.8 23.9 0.88| 4.4 3.8 2500 159 26 107 12| 3.3 0.3 3.6| 50.0 -3.8 46.2 18.5 0.82| 3.6 3.0 3000 159 26 107 12| 2.7 0.3 3.0| 50.2 -4.7 45.5 15.2 0.76| 3.2 2.4 4000 159 26 108 12| 2.0 0.3 2.3| 50.8 -4.7 46.1 11.5 0.67| 2.7 1.8 5000 157 27 108 13| 1.6 0.5 2.1| 50.9 -5.2 45.6 9.1 0.59| 2.5 1.5 6000 155 28 108 14| 1.4 0.9 2.3| 50.9 -11.4 39.4 6.6 0.44| 2.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250426.11.gif