UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041711.upa.cvt Date: 1100Z 17 APR 25 Searching for BIKF... Searching the city database file for: BIKF ... Date:1100Z 17 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 1016 52 1.8 -6.2 55 8.0 -1.0 10 14 273.7 274.1 271.3 280.2 2.36 1 1000 169 -0.3 -6.3 64 6.0 -2.4 15 24 272.9 273.2 270.8 279.4 2.38 2 925 786 -5.9 -7.9 86 2.0 -6.5 10 23 273.3 273.7 270.9 279.6 2.28 3 907 940 -7.5 -7.5 100 0.0 -7.5 357 20 273.2 273.6 271.0 279.8 2.39 4 900 1000 -7.9 -9.0 92 1.1 -8.2 352 18 273.4 273.7 270.7 279.3 2.15 5 870 1264 -7.5 -13.5 62 6.0 -9.1 330 12 276.4 276.7 271.6 280.9 1.55 6 864 1318 -5.9 -17.9 38 12.0 -8.9 326 11 278.7 278.8 272.2 281.8 1.08 7 862 1336 -5.7 -16.7 42 11.0 -8.5 324 10 279.1 279.3 272.6 282.6 1.20 8 850 1446 -6.5 -15.5 49 9.0 -8.9 315 8 279.3 279.6 273.1 283.3 1.34 9 750 2412 -12.7 -20.7 51 8.0 -14.5 312 8 282.8 283.0 274.4 285.7 0.98 10 700 2937 -14.1 -32.1 20 18.0 -16.9 310 8 286.9 286.9 275.6 288.1 0.37 11 641 3600 -17.9 -40.9 11 23.0 -20.5 323 11 289.9 289.9 276.9 290.4 0.17 12 521 5109 -30.7 -48.7 15 18.0 -31.8 354 19 292.2 292.2 277.9 292.5 0.09 13 500 5400 -32.1 -54.1 9 22.0 -33.2 360 20 293.9 293.9 278.6 294.1 0.05 14 496 5457 -32.7 -55.7 8 23.0 -33.8 0 20 293.8 293.9 278.6 294.0 0.04 15 463 5938 -35.5 -48.5 25 13.0 -36.2 3 22 296.2 296.2 279.8 296.6 0.10 16 408 6806 -41.3 -46.1 60 4.8 -41.5 9 25 299.6 299.6 281.4 300.1 0.15 17 403 6889 -41.9 -51.9 33 10.0 -42.3 10 26 299.9 299.9 281.4 300.2 0.08 18 400 6940 -42.1 -51.1 37 9.0 -42.5 10 26 300.3 300.3 281.6 300.6 0.09 19 346 7905 -49.5 -53.7 61 4.2 -49.6 7 27 303.0 303.0 282.7 303.2 0.07 20 316 8495 -52.9 -59.9 42 7.0 -53.0 5 27 306.2 306.2 283.9 306.3 0.04 21 300 8830 -52.9 -62.9 29 10.0 -53.1 15 26 310.8 310.8 285.7 310.9 0.03 22 276 9372 -50.7 -71.7 7 21.0 -51.0 6 23 321.5 321.5 289.2 321.5 0.01 23 250 10020 -49.7 -77.7 2 28.0 -50.1 355 20 332.2 332.2 292.3 332.2 0.00 24 204 11358 -45.1 -79.1 1 34.0 -45.9 13 9 359.3 359.3 298.5 359.3 0.00 25 200 11490 -45.7 -79.7 1 34.0 -46.4 15 8 360.4 360.4 298.8 360.4 0.00 26 150 13400 -46.1 -81.1 1 35.0 -47.1 260 3 390.6 390.6 303.9 390.6 0.00 27 100 16090 -48.9 -82.9 1 34.0 -50.0 275 5 433.2 433.2 309.2 433.3 0.00 28 70 18440 -48.3 -83.3 1 35.0 -49.8 275 8 481.1 481.1 313.5 481.1 0.01 29 50 20640 -49.5 -83.5 1 34.0 -51.3 180 9 526.8 526.8 316.7 526.9 0.01 30 39 22271 -48.5 -84.5 1 36.0 -50.9 568.1 568.2 319.0 568.2 0.01 TRP 316 8495 -52.9 -59.9 42 7.0 -53.0 5 27 306.2 306.2 283.9 306.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5231.00 m Freezing level: 1002.29 mb = 152.29 m = 499.62 ft Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 37.30 % Est. max temperature: 6.03 C = 42.86 F Sfc-Lift cond lev (LCL): 896.87 mb = 1027.04 m = 3369.52 ft T: -7.86 C 700-500 lapse rate: 7.31 C/km ThetaE index: 0.83 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 800.98 mb = 1904.54 m = 6248.42 ft Mean mixing ratio: 2.33 g/kg Conv temperature: 9.12 C = 48.41 F Cap Strength: 10.94 C Lifted Index: 12.18 C Risk: None Lifted Index @300 mb: 22.14 C Lifted Index @700 mb: 8.91 C Showalter Index: 9.28 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 25.60 C Cross Totals Index: 16.60 C K Index: -7.90 Risk: None Sweat Index: 36.00 Risk: None Energy Index: 2.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.17 J/kg Max Up Vert Vel: 1.53 m/s Conv Inhibition (B-): 43172.79 J/kg Cap Strength: 12.03 C Lift Cond Lev (LCL): 902.55 mb = 977.91 m = 3208.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 21 at 11 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 1016 52 10 14 -2.4 -13.8 | 338 4 1.4 -3.6 1 1000 169 15 24 -6.2 -23.2 | 10 13 -2.4 -13.0 2 925 786 10 23 -4.0 -22.7 | 1 12 -0.1 -12.5 3 850 1446 315 8 5.7 -5.7 | 244 11 9.5 4.5 4 700 2937 310 8 6.1 -5.1 | 243 11 10.0 5.1 5 500 5400 360 20 -0.0 -20.0 | 339 11 3.9 -9.8 6 400 6940 10 26 -4.5 -25.6 | 2 15 -0.7 -15.4 7 316 8495 5 27 -2.4 -26.9 | 355 17 1.5 -16.7 8 300 8830 15 26 -6.7 -25.1 | 11 15 -2.9 -14.9 9 250 10020 355 20 1.7 -19.9 | 330 11 5.6 -9.7 10 200 11490 15 8 -2.1 -7.7 | 216 3 1.8 2.5 11 150 13400 260 3 3.0 0.5 | 212 13 6.8 10.7 12 100 16090 275 5 5.0 -0.4 | 222 13 8.8 9.8 13 70 18440 275 8 8.0 -0.7 | 231 15 11.8 9.5 14 50 20640 180 9 0.0 9.0 | 191 20 3.9 19.2 Wind Parameters Mean winds (0-6000m): 350.7 at 14.5 knts Storm direction: 20.7 at 10.9 knts Shear (0-3000m) pos: 1.7 neg: 3.5 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): -91.9 deg Storm rel helicity (0-3000m) pos: 8.4 neg: -63.5 tot: -55.1 m^2/s^2 ave: -18.4 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 6.0 stream: -3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 15.14 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 13 23 7 12| 9.7 0.0 9.7| 6.5 -3.6 2.9 5.8 0.28| 11.7 3.3 1000 10 22 360 11| 4.8 5.4 10.2| 6.5 -33.0 -26.5 -26.5 -0.32| 11.3 -3.6 1500 6 19 346 9| 3.2 6.9 10.2| 6.5 -62.8 -56.3 -37.5 -0.55| 11.5 -6.4 2000 359 16 325 7| 2.4 5.3 7.7| 6.5 -63.0 -56.5 -28.3 -0.55| 8.7 -4.8 2500 354 14 307 7| 1.9 4.3 6.2| 6.5 -63.3 -56.8 -22.7 -0.55| 7.0 -3.9 3000 349 13 294 7| 1.7 3.5 5.2| 8.4 -63.5 -55.1 -18.4 -0.52| 6.0 -3.1 4000 344 13 285 8| 2.0 2.7 4.7| 25.8 -63.5 -37.7 -9.4 -0.29| 5.3 -1.5 5000 346 13 291 8| 2.3 2.1 4.5| 45.3 -63.5 -18.1 -3.6 -0.09| 5.0 -0.5 6000 351 15 304 7| 2.4 1.8 4.2| 60.0 -63.5 -3.5 -0.6 0.01| 4.7 0.1 Wrote GIF file: /home/apache/climate/data/raob//BIKF/skewt/BIKF.skewt.20250417.11.gif