UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042423.upa.cvt Date: 2300Z 24 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:2300Z 24 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 1007 52 9.4 3.4 66 6.0 6.5 90 14 282.0 282.8 279.3 295.5 4.85 1 1000 94 9.2 3.2 66 6.0 6.3 95 18 282.4 283.2 279.4 295.8 4.81 2 925 734 3.4 2.8 96 0.6 3.1 115 40 282.8 283.7 280.0 296.9 5.06 3 916 813 2.6 2.5 99 0.1 2.5 117 41 282.8 283.6 279.8 296.7 5.00 4 850 1417 0.4 0.4 100 0.0 0.4 130 45 286.6 287.4 281.2 299.7 4.63 5 800 1901 -2.5 -3.1 96 0.6 -2.7 128 41 288.5 289.2 281.1 299.5 3.80 6 766 2245 -2.9 -9.9 58 7.0 -5.4 127 39 291.7 292.1 280.7 298.7 2.35 7 761 2297 -2.5 -4.6 85 2.1 -3.4 127 38 292.6 293.3 282.7 303.1 3.57 8 752 2391 -2.3 -3.9 89 1.6 -3.0 127 37 293.9 294.5 283.4 305.1 3.81 9 700 2958 -4.5 -6.7 85 2.2 -5.4 125 33 297.5 298.1 284.4 307.5 3.30 10 660 3420 -7.1 -8.8 88 1.7 -7.7 128 34 299.6 300.2 284.8 308.7 2.98 11 614 3980 -11.1 -11.1 100 0.0 -11.1 131 36 301.3 301.8 285.1 309.5 2.67 12 500 5530 -21.1 -23.9 78 2.8 -21.7 140 40 307.3 307.5 285.7 311.0 1.11 13 484 5768 -22.7 -25.9 75 3.2 -23.3 140 41 308.2 308.4 285.8 311.4 0.96 14 400 7130 -33.7 -35.1 87 1.4 -33.8 140 50 311.2 311.3 286.4 312.9 0.48 15 398 7165 -34.1 -35.3 89 1.2 -34.2 140 50 311.1 311.2 286.3 312.8 0.48 16 349 8071 -41.7 -44.4 75 2.7 -41.9 138 53 312.8 312.8 286.6 313.5 0.21 17 329 8469 -44.9 -51.9 45 7.0 -45.2 137 55 313.7 313.7 286.8 314.0 0.10 18 310 8864 -47.9 -53.9 50 6.0 -48.1 136 56 314.9 314.9 287.1 315.2 0.08 19 300 9080 -49.9 -54.0 62 4.1 -50.0 135 57 315.0 315.0 287.2 315.3 0.08 20 298 9124 -50.5 -54.4 63 3.9 -50.6 135 57 314.8 314.8 287.1 315.1 0.08 21 283 9459 -53.5 -58.2 56 4.7 -53.6 138 58 315.2 315.2 287.2 315.4 0.05 22 251 10225 -58.0 -66.8 31 8.9 -58.0 145 60 319.5 319.5 288.6 319.6 0.02 23 250 10250 -58.1 -67.1 31 9.0 -58.2 145 60 319.7 319.7 288.6 319.8 0.02 24 248 10300 -58.3 -67.3 31 9.0 -58.4 144 58 320.1 320.1 288.8 320.2 0.02 25 241 10480 -58.9 -67.9 30 9.0 -59.0 140 52 321.9 321.9 289.3 321.9 0.02 26 233 10691 -59.1 -69.1 26 10.0 -59.2 140 49 324.7 324.7 290.2 324.7 0.01 27 214 11223 -58.5 -72.5 15 14.0 -58.6 140 41 333.6 333.6 292.7 333.6 0.01 28 200 11650 -55.1 -75.1 7 20.0 -55.4 140 34 345.5 345.5 295.6 345.5 0.01 29 195 11813 -53.1 -79.1 3 26.0 -53.4 135 32 351.2 351.2 296.9 351.2 0.00 30 170 12695 -56.3 -82.3 2 26.0 -56.6 109 19 360.0 360.0 298.7 360.0 0.00 31 156 13252 -48.9 -80.9 1 32.0 -49.6 92 11 381.5 381.5 302.5 381.5 0.00 32 150 13510 -50.5 -81.5 1 31.0 -51.1 85 7 383.1 383.1 302.8 383.1 0.00 33 122 14846 -52.7 -83.7 1 31.0 -53.3 110 6 402.4 402.4 305.5 402.4 0.00 34 100 16130 -51.5 -83.5 1 32.0 -52.3 135 6 428.2 428.2 308.6 428.2 0.00 35 70 18450 -51.5 -84.5 1 33.0 -52.6 85 5 474.2 474.2 313.0 474.2 0.00 36 50 20640 -50.5 -84.5 1 34.0 -52.1 330 8 524.5 524.5 316.6 524.5 0.01 37 30 23960 -51.7 -85.7 1 34.0 -53.9 55 8 603.7 603.7 320.7 603.8 0.01 38 22 25968 -52.5 -85.5 1 33.0 -55.1 657.3 657.3 323.0 657.4 0.01 TRP 241 10480 -58.9 -67.9 30 9.0 -59.0 140 52 321.9 321.9 289.3 321.9 0.02 WND 251 10225 -58.0 -66.8 31 8.9 -58.0 145 60 319.5 319.5 288.6 319.6 0.02 Sounding variables and indices 1000-500 mb thick: 5436.00 m Freezing level: 843.10 mb = 1483.71 m = 4867.75 ft Wetbulb zero: 844.02 mb = 1473.31 m = 4833.64 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 89.00 % Est. max temperature: 13.57 C = 56.42 F Sfc-Lift cond lev (LCL): 919.02 mb = 786.69 m = 2580.96 ft T: 2.87 C 700-500 lapse rate: 6.45 C/km ThetaE index: 1.04 C Layer 800.0- 761.0 mb Conv cond level (CCL): 899.50 mb = 960.10 m = 3149.89 ft Mean mixing ratio: 4.94 g/kg Conv temperature: 11.10 C = 51.98 F Cap Strength: 7.98 C Lifted Index: 10.46 C Risk: None Lifted Index @300 mb: 13.30 C Lifted Index @700 mb: 7.08 C Showalter Index: 8.06 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 21.50 C K Index: 19.70 Risk: < 20 % chance of thunderstorms Sweat Index: 134.80 Risk: None Energy Index: 2.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.44 J/kg Max Up Vert Vel: 1.70 m/s Conv Inhibition (B-): 49792.57 J/kg Cap Strength: 10.34 C Lift Cond Lev (LCL): 914.18 mb = 829.39 m = 2721.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 159 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 1007 52 90 14 -14.0 0.0 | 9 26 -4.0 -26.1 1 1000 94 95 18 -17.9 1.6 | 18 26 -8.0 -24.6 2 925 734 115 40 -36.3 16.9 | 71 28 -26.3 -9.2 3 850 1417 130 45 -34.5 28.9 | 96 25 -24.5 2.8 4 700 2958 125 33 -27.0 18.9 | 67 19 -17.1 -7.2 5 500 5530 140 40 -25.7 30.6 | 106 16 -15.8 4.5 6 400 7130 140 50 -32.1 38.3 | 119 25 -22.2 12.2 7 300 9080 135 57 -40.3 40.3 | 115 33 -30.3 14.2 8 251 10225 145 60 -34.4 49.1 | 133 34 -24.5 23.0 9 250 10250 145 60 -34.4 49.1 | 133 34 -24.5 23.0 10 241 10480 140 52 -33.4 39.8 | 120 27 -23.5 13.7 11 200 11650 140 34 -21.9 26.0 | 90 12 -11.9 -0.1 12 150 13510 85 7 -7.0 -0.6 | 354 27 3.0 -26.8 13 100 16130 135 6 -4.2 4.2 | 345 23 5.7 -21.9 14 70 18450 85 5 -5.0 -0.4 | 349 27 5.0 -26.6 15 50 20640 330 8 4.0 -6.9 | 337 36 14.0 -33.1 16 30 23960 55 8 -6.6 -4.6 | 354 31 3.4 -30.7 Wind Parameters Mean winds (0-6000m): 129.2 at 37.3 knts Storm direction: 159.2 at 28.0 knts Shear (0-3000m) pos: 5.9 neg: 1.9 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 59.5 deg Storm rel helicity (0-3000m) pos: 277.4 neg: -58.8 tot: 218.6 m^2/s^2 ave: 72.9 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 5.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 44.85 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 ------------------------------------------------------------------------------- 500 104 25 35 25| 21.7 0.0 21.7|145.2 0.0 145.2 290.3 1.00| 21.9 21.8 1000 112 32 55 24| 16.1 0.0 16.1|233.8 0.0 233.8 233.8 0.99| 17.5 17.3 1500 118 36 67 23| 11.8 0.0 11.8|275.8 -4.2 271.6 181.1 0.95| 14.2 13.5 2000 121 37 73 23| 8.8 1.0 9.9|275.8 -24.4 251.4 125.7 0.79| 11.7 9.2 2500 123 38 75 23| 7.1 1.7 8.7|275.8 -43.8 232.0 92.8 0.65| 10.2 6.7 3000 123 37 75 22| 5.9 1.9 7.8|277.4 -58.8 218.6 72.9 0.56| 9.1 5.1 4000 124 37 75 21| 4.9 1.4 6.3|297.6 -58.8 238.7 59.7 0.59| 7.4 4.4 5000 127 37 78 20| 4.3 1.1 5.4|318.1 -58.8 259.2 51.8 0.62| 6.4 4.0 6000 129 37 82 19| 3.7 0.7 4.4|336.1 -58.8 277.2 46.2 0.63| 5.8 3.7 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250424.23.gif